/* ==========================================================================
   WINDEK ENERGY LANDING PAGE — MODERN CLASSIC EDITION
   Timeless elegance meets contemporary design
   ========================================================================== */

/* --- Custom Properties / Theme Variables --- */
:root {
    /* Refined Classic Palette */
    --color-primary: #1B2A4A;
    --color-primary-light: #2C4A7C;
    --color-primary-lighter: #4A6FA5;
    --color-secondary: #8BA4C7;
    --color-accent: #C8A45C;
    --color-accent-light: #E0C88A;
    --color-accent-dark: #A8883E;
    --color-accent-glow: rgba(200, 164, 92, 0.35);
    --color-gold-subtle: rgba(200, 164, 92, 0.12);
    
    --color-light: #F5F2ED;
    --color-white: #FFFFFF;
    --color-dark: #0F1A2E;
    --color-deeper: #0A1220;
    --color-text: #2C3E50;
    --color-text-muted: #7A8BA0;
    --color-text-light: #A0B4C8;
    
    --color-bg: #FCFAF7;
    --color-bg-card: #FFFFFF;
    --color-bg-section-alt: #F5F2ED;
    --color-border: rgba(27, 42, 74, 0.08);
    --color-border-light: rgba(200, 164, 92, 0.2);
    --color-overlay: rgba(10, 18, 32, 0.55);
    
    /* Typography - Classic Serif + Modern Sans */
    --font-heading: 'Playfair Display', 'Outfit', serif;
    --font-heading-alt: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Shadows - More refined */
    --shadow-sm: 0 2px 8px rgba(27, 42, 74, 0.04), 0 1px 3px rgba(27, 42, 74, 0.03);
    --shadow-md: 0 8px 24px rgba(27, 42, 74, 0.06), 0 2px 6px rgba(27, 42, 74, 0.04);
    --shadow-lg: 0 16px 40px rgba(27, 42, 74, 0.08), 0 4px 12px rgba(27, 42, 74, 0.04);
    --shadow-xl: 0 24px 60px rgba(27, 42, 74, 0.12), 0 8px 20px rgba(27, 42, 74, 0.06);
    --shadow-glow-accent: 0 4px 20px rgba(200, 164, 92, 0.3);
    --shadow-glow-primary: 0 4px 20px rgba(27, 42, 74, 0.15);
    
    /* Border Radius - More refined */
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 28px;
    --border-radius-full: 9999px;
    
    --max-width: 1240px;
    --header-height: 80px;
}

/* --- CSS Reset & Base Styles --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
}

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-light);
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-primary-lighter), var(--color-primary));
    border-radius: 8px;
    border: 2px solid var(--color-light);
    transition: var(--transition-fast);
}
::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--color-primary), var(--color-dark));
}
* {
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary-lighter) var(--color-light);
}

/* --- Selection --- */
::selection {
    background: var(--color-accent);
    color: var(--color-white);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* --- Layout Utility Classes --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 120px 0;
}

.bg-light {
    background-color: var(--color-bg-section-alt);
    position: relative;
}

.bg-dark {
    background-color: var(--color-dark);
    position: relative;
    overflow: hidden;
}
.bg-dark::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(200, 164, 92, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.text-white {
    color: var(--color-white) !important;
}
.text-primary {
    color: var(--color-primary) !important;
}
.text-muted {
    color: var(--color-text-muted) !important;
}
.text-center {
    text-align: center;
}

/* --- Decorative Divider Pattern --- */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), var(--color-accent-light), var(--color-accent), transparent);
    opacity: 0.3;
    margin: 0;
}

/* --- Scroll Reveal Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Stagger child reveals */
.stagger-children > * {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.stagger-children.revealed > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.revealed > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.revealed > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.revealed > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.revealed > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.revealed > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.revealed > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children.revealed > *:nth-child(8) { transition-delay: 0.4s; }
.stagger-children.revealed > * {
    opacity: 1;
    transform: translateY(0);
}

/* --- Button Component --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-heading-alt);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.3px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-normal);
    min-height: 48px;
    min-width: 48px;
    touch-action: manipulation;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.2), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}
.btn:hover::after {
    opacity: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    border: none;
    box-shadow: 0 2px 12px rgba(200, 164, 92, 0.25);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-accent);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}
.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: var(--color-accent-light);
    color: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(200, 164, 92, 0.1);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-nav {
    padding: 8px 22px;
    font-size: 0.9rem;
}

/* --- Section Headers --- */
.section-header {
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    color: var(--color-primary);
    position: relative;
}

.bg-dark .section-title {
    color: var(--color-white);
}

.title-accent {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    margin: 0 auto 24px;
    border-radius: var(--border-radius-full);
    position: relative;
}
.title-accent::after {
    content: '';
    position: absolute;
    right: -4px;
    top: -3px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0.5;
}

.section-desc {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    font-weight: 400;
}

.paragraph {
    margin-bottom: 20px;
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* --- Glassmorphic Navigation Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-normal);
    background-color: rgba(15, 26, 46, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(200, 164, 92, 0.08);
}

.header .nav-link {
    color: rgba(255, 255, 255, 0.85);
}
.header .brand-name {
    color: var(--color-white);
}

.header.scrolled {
    padding: 12px 0;
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 4px 30px rgba(27, 42, 74, 0.06);
    border-bottom: 1px solid var(--color-border);
}

.header.scrolled .nav-link {
    color: rgba(27, 42, 74, 0.75);
}
.header.scrolled .brand-name {
    color: var(--color-primary);
}

.header.scrolled.dark-section {
    background-color: rgba(15, 26, 46, 0.92);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(200, 164, 92, 0.08);
}
.header.scrolled.dark-section .nav-link {
    color: rgba(255, 255, 255, 0.75);
}
.header.scrolled.dark-section .brand-name {
    color: var(--color-white);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 45px;
    width: auto;
    display: block;
    transition: var(--transition-normal);
}
.header.scrolled .logo-img {
    height: 40px;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-family: var(--font-heading-alt);
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--color-primary);
    line-height: 1;
    letter-spacing: 1px;
    transition: var(--transition-fast);
}

.brand-sub {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.7rem;
    color: var(--color-accent);
    line-height: 1.2;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.nav {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-family: var(--font-heading-alt);
    font-weight: 600;
    font-size: 0.9rem;
    color: rgba(27, 42, 74, 0.75);
    position: relative;
    padding: 6px 0;
    transition: var(--transition-fast);
    letter-spacing: 0.3px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-normal);
    border-radius: 2px;
}

.nav-link:hover {
    color: var(--color-accent);
}
.nav-link:hover::after {
    width: 100%;
}

.nav-link.active {
    color: var(--color-accent);
}
.nav-link.active::after {
    width: 100%;
}

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1002;
    padding: 4px;
    touch-action: manipulation;
}

.mobile-nav-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 3px;
    transition: var(--transition-normal);
    transform-origin: center;
}

.header.scrolled .mobile-nav-toggle span {
    background-color: var(--color-primary);
}
.header.scrolled.dark-section .mobile-nav-toggle span {
    background-color: var(--color-white);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-deeper) 0%, var(--color-dark) 40%, var(--color-primary) 70%, var(--color-primary-light) 100%);
    background-size: 400% 400%;
    animation: gradient-shift 20s ease infinite;
    color: var(--color-white);
    padding-top: 100px;
    overflow: hidden;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Subtle geometric pattern overlay */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(45deg, rgba(200, 164, 92, 0.02) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(200, 164, 92, 0.02) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(200, 164, 92, 0.02) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(200, 164, 92, 0.02) 75%);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 1;
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 20% 50%, rgba(15, 26, 46, 0.5) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(200, 164, 92, 0.08) 0%, transparent 50%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 680px;
}

.badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(200, 164, 92, 0.15), rgba(200, 164, 92, 0.05));
    border: 1px solid rgba(200, 164, 92, 0.3);
    color: var(--color-accent-light);
    padding: 6px 18px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: var(--border-radius-full);
    margin-bottom: 28px;
    animation: fadeInUp 0.8s ease-out both;
}

.hero-title {
    font-size: clamp(2.8rem, 6vw, 4.8rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 16px;
    letter-spacing: -1.5px;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease-out 0.15s both;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 500;
    color: var(--color-accent-light);
    margin-bottom: 24px;
    line-height: 1.3;
    font-family: var(--font-heading);
    font-style: italic;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-description {
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.45s both;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    z-index: 2;
    animation: fadeInUp 1s ease-out 1s both;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 3px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 1.5s infinite;
}

@keyframes scroll-wheel {
    0% { top: 8px; opacity: 1; }
    50% { top: 18px; opacity: 0; }
    100% { top: 8px; opacity: 1; }
}

/* --- Metric accent bar --- */
.metric-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    z-index: 1;
}

/* --- About sub label --- */
.about-sub-label {
    display: inline-block;
    font-family: var(--font-heading-alt);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 8px;
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(200, 164, 92, 0.1), rgba(200, 164, 92, 0.04));
    border-radius: var(--border-radius-full);
    border: 1px solid rgba(200, 164, 92, 0.15);
}

/* --- Metrics Dashboard --- */
.metrics-dashboard {
    position: relative;
    z-index: 10;
    margin-top: -60px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.metric-card {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-md);
    padding: 36px 28px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border-top: 4px solid var(--color-accent);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(200, 164, 92, 0.03), transparent 50%);
    opacity: 0;
    transition: var(--transition-normal);
}

.metric-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--shadow-xl);
}
.metric-card:hover::before {
    opacity: 1;
}

.metric-value {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 3.5vw, 3rem);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 10px;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- About Section --- */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.about-sub {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--color-primary-light);
    font-family: var(--font-heading);
}

.about-features {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-feature-item {
    display: flex;
    gap: 20px;
    padding: 16px 20px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-normal);
    border-left: 3px solid transparent;
}

.about-feature-item:hover {
    background-color: rgba(200, 164, 92, 0.04);
    border-left-color: var(--color-accent);
    transform: translateX(6px);
}

.feature-icon-wrapper {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    background: linear-gradient(135deg, rgba(200, 164, 92, 0.1), rgba(200, 164, 92, 0.04));
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.about-feature-item:hover .feature-icon-wrapper {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    transform: scale(1.1);
}

.about-feature-item h4 {
    font-size: 1.15rem;
    margin-bottom: 6px;
    font-family: var(--font-heading-alt);
}

.about-feature-item p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.about-cards-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.vision-mission-card {
    background: var(--color-bg-card);
    border-radius: var(--border-radius-md);
    padding: 36px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    border-left: 4px solid var(--color-accent);
    transition: var(--transition-normal);
}

.vision-mission-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.vision-mission-card.mission-card {
    border-left-color: var(--color-primary);
}

.vm-icon {
    color: var(--color-accent);
    margin-bottom: 20px;
    transition: var(--transition-normal);
}

.vision-mission-card:hover .vm-icon {
    transform: scale(1.1) rotate(-5deg);
}

.mission-card .vm-icon {
    color: var(--color-primary);
}

.vision-mission-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.vision-mission-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.vision-mission-card ul {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-left: 20px;
    list-style-type: disc;
}

/* --- Challenges Section --- */
.challenges-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.challenge-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-md);
    padding: 32px 24px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    opacity: 0;
    transition: var(--transition-normal);
}

.challenge-card:hover::before {
    opacity: 1;
}

.challenge-card:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
    border-color: rgba(200, 164, 92, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.challenge-num {
    font-family: var(--font-heading-alt);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 16px;
    transition: var(--transition-normal);
}

.challenge-card:hover .challenge-num {
    color: var(--color-accent-light);
    transform: scale(1.1);
}

.challenge-card h3 {
    color: var(--color-white);
    font-size: 1.15rem;
    margin-bottom: 12px;
    font-family: var(--font-heading-alt);
}

.challenge-card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    line-height: 1.6;
}

.challenges-callout {
    background: linear-gradient(135deg, rgba(200, 164, 92, 0.08) 0%, rgba(15, 26, 46, 0.6) 100%);
    border: 1px solid rgba(200, 164, 92, 0.2);
    border-radius: var(--border-radius-md);
    padding: 40px;
    display: flex;
    align-items: center;
    gap: 40px;
    position: relative;
    overflow: hidden;
}

.challenges-callout::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(200, 164, 92, 0.04), transparent);
    pointer-events: none;
}

.callout-percent {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    flex-shrink: 0;
}

.callout-text h4 {
    color: var(--color-white);
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.callout-text p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 12px;
    line-height: 1.7;
}

.source-credit {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-secondary);
}

/* --- Interactive Solutions Tabs --- */
.solutions-tabs-wrapper {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 0;
    background-color: var(--color-bg-card);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.solutions-tabs-nav {
    background: linear-gradient(180deg, var(--color-bg-section-alt), var(--color-bg-card));
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--color-border);
    padding: 16px 12px;
    gap: 8px;
}

.tab-btn {
    padding: 20px 20px;
    text-align: left;
    font-family: var(--font-heading-alt);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-text-muted);
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    background: transparent;
}

.tab-btn::after {
    display: none;
}

.tab-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--color-text-muted);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    font-family: var(--font-heading);
    flex-shrink: 0;
}

.tab-btn:hover {
    background: var(--color-bg-card);
    border-color: var(--color-border);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.tab-btn:hover .tab-num {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.tab-btn.active {
    background: var(--color-bg-card);
    border-color: var(--color-border-light);
    color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(200, 164, 92, 0.1), var(--shadow-sm);
    border-left: 4px solid var(--color-accent);
}

.tab-btn.active .tab-num {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    border-color: var(--color-accent);
    box-shadow: 0 2px 8px rgba(200, 164, 92, 0.25);
}

.solutions-tabs-content {
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: panel-fade-in 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes panel-fade-in {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

.panel-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
}

.panel-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--color-primary);
}

.panel-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.highlight-pill {
    background: linear-gradient(135deg, rgba(200, 164, 92, 0.08), rgba(200, 164, 92, 0.03));
    color: var(--color-accent-dark);
    padding: 8px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--border-radius-full);
    border: 1px solid rgba(200, 164, 92, 0.15);
    transition: var(--transition-fast);
}

.highlight-pill:hover {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-accent);
}

.panel-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.solution-card-metric {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--border-radius-md);
    padding: 30px;
    color: var(--color-white);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.solution-card-metric:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-glow-primary);
}

.solution-card-metric.secondary-metric {
    background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-section-alt) 100%);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.solution-card-metric.accent-metric {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
}

.solution-card-metric.accent-metric:hover {
    box-shadow: var(--shadow-glow-accent);
}

.solution-card-metric .number {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 8px;
}

.solution-card-metric .number span {
    font-size: 1.5rem;
    margin-left: 4px;
}

.solution-card-metric .label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.85;
}

.panel-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 20px;
}

.panel-list-item {
    position: relative;
    padding-left: 24px;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.panel-list-item:hover {
    transform: translateX(4px);
}

.panel-list-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-accent);
}

.impact-stats-grid {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 16px 24px;
    margin-top: 24px;
    align-items: center;
}

.impact-stat-box {
    background: linear-gradient(135deg, rgba(200, 164, 92, 0.08), rgba(200, 164, 92, 0.03));
    border: 1px solid rgba(200, 164, 92, 0.12);
    border-radius: var(--border-radius-sm);
    padding: 10px;
    text-align: center;
    transition: var(--transition-fast);
}

.impact-stat-box:hover {
    background: linear-gradient(135deg, rgba(200, 164, 92, 0.12), rgba(200, 164, 92, 0.06));
    transform: scale(1.05);
}

.impact-stat-box .stat-num {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-accent);
}

.impact-stat-box p {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.impact-stat-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.example-box {
    background-color: var(--color-bg-section-alt);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    margin-top: 16px;
    border-left: 4px solid var(--color-accent);
    transition: var(--transition-normal);
}

.example-box:hover {
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.example-box h4 {
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.example-box p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* --- Market Gap Diagram --- */
.market-diagram-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    margin-bottom: 60px;
    position: relative;
    gap: 20px;
}

.market-flow-card {
    flex: 1;
    background: linear-gradient(135deg, var(--color-bg-section-alt), var(--color-bg-card));
    border-radius: var(--border-radius-md);
    padding: 30px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

.market-flow-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.market-flow-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.market-flow-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

.logos-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.supply-logo {
    background-color: var(--color-bg-card);
    color: var(--color-primary);
    font-family: var(--font-heading-alt);
    font-weight: 800;
    padding: 10px 20px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition-fast);
}

.supply-logo:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.arrow-svg {
    display: flex;
    align-items: center;
}

.arrow-svg svg path {
    stroke: var(--color-text);
}

.bottleneck-node {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 164, 92, 0.08), rgba(200, 164, 92, 0.02));
    border: 3px dashed var(--color-accent);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 16px;
    position: relative;
    animation: pulse-node 3s ease-in-out infinite;
}

@keyframes pulse-node {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.bottleneck-node .node-icon {
    color: var(--color-accent);
    margin-bottom: 8px;
}

.bottleneck-node h4 {
    font-size: 0.75rem;
    color: var(--color-accent);
    font-weight: 700;
    text-transform: uppercase;
    line-height: 1.3;
}

.pulse-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: rgba(200, 164, 92, 0.08);
    z-index: -1;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.5; }
    100% { transform: scale(1.3); opacity: 0; }
}

.market-flow-card.target-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
}

.market-flow-card.target-card h3 {
    color: var(--color-white);
}

.market-flow-card.target-card p {
    color: rgba(255, 255, 255, 0.8);
}

.highlight-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    font-family: var(--font-heading-alt);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 8px 20px;
    border-radius: var(--border-radius-full);
    box-shadow: var(--shadow-glow-accent);
    animation: pulse-tag 2s ease-in-out infinite;
}

@keyframes pulse-tag {
    0%, 100% { box-shadow: var(--shadow-glow-accent); }
    50% { box-shadow: 0 0 40px rgba(200, 164, 92, 0.4); }
}

/* --- Market Stats --- */
.market-stats-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.market-stat-card {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-md);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

.market-stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.market-stat-card h4 {
    font-size: 1.4rem;
    margin-bottom: 30px;
    border-left: 4px solid var(--color-accent);
    padding-left: 12px;
}

.chart-mock {
    height: 200px;
    display: flex;
    align-items: flex-end;
    gap: 30px;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.bar {
    flex: 1;
    border-radius: 4px 4px 0 0;
    position: relative;
    cursor: pointer;
    transition: var(--transition-normal);
    transform-origin: bottom;
}

.bar-2017 { background: linear-gradient(180deg, var(--color-secondary), #6B8AAC); }
.bar-2022 { background: linear-gradient(180deg, var(--color-primary-lighter), var(--color-primary-light)); }
.bar-2026 { background: linear-gradient(180deg, var(--color-primary), var(--color-dark)); }

.bar:hover {
    transform: scaleY(1.03);
    opacity: 0.9;
}

.bar span {
    position: absolute;
    bottom: -45px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-muted);
    line-height: 1.2;
}

.bar::after {
    content: attr(data-val);
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
}

.chart-caption {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: 35px;
}

.trend-line-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.trend-stat {
    display: flex;
    align-items: baseline;
    gap: 16px;
}

.trend-stat .value {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-accent);
}

.trend-stat .label {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.trend-progress {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.progress-bar-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    color: var(--color-text-muted);
}

.progress-track {
    background-color: var(--color-bg-section-alt);
    height: 36px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--color-border);
}

.progress-fill {
    background: linear-gradient(90deg, var(--color-primary-lighter), var(--color-primary));
    color: var(--color-white);
    height: 100%;
    display: flex;
    align-items: center;
    padding-left: 16px;
    font-size: 0.8rem;
    font-weight: 700;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0% !important;
}

.highlight-track .progress-fill {
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
}

/* --- Interactive Timeline --- */
.interactive-timeline {
    position: relative;
    max-width: 900px;
    margin: 60px auto 0;
    padding: 20px 0;
}

.timeline-line {
    position: absolute;
    left: 30px;
    top: 0;
    height: 100%;
    width: 3px;
    background: linear-gradient(180deg, var(--color-secondary), var(--color-primary), var(--color-accent));
    z-index: 1;
    border-radius: 4px;
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 40px;
    z-index: 2;
    cursor: pointer;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 22px;
    top: 8px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--color-white);
    border: 4px solid var(--color-secondary);
    transition: var(--transition-bounce);
    z-index: 2;
}

.timeline-item:hover .timeline-dot {
    border-color: var(--color-primary);
    transform: scale(1.3);
}

.timeline-item.active .timeline-dot {
    border-color: var(--color-accent);
    background-color: var(--color-accent);
    box-shadow: 0 0 0 6px rgba(200, 164, 92, 0.2);
}

.timeline-date {
    font-family: var(--font-heading-alt);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 6px;
    transition: var(--transition-fast);
}

.timeline-item.active .timeline-date {
    color: var(--color-accent);
}

.timeline-content-box {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    position: relative;
}

.timeline-content-box::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 12px;
    width: 16px;
    height: 16px;
    background: var(--color-bg-card);
    transform: rotate(45deg);
    border-left: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.timeline-item:hover .timeline-content-box {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.timeline-item.active .timeline-content-box {
    border-left: 5px solid var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.timeline-content-box h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.timeline-content-box p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* --- Project Benefits Grid --- */
.project-benefits-header {
    text-align: center;
    margin: 80px auto 40px;
    max-width: 600px;
}

.project-benefits-header h3 {
    font-size: 1.8rem;
    position: relative;
    padding-bottom: 16px;
}

.project-benefits-header h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.benefit-card {
    background-color: var(--color-bg-card);
    border-radius: var(--border-radius-md);
    padding: 32px;
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(200, 164, 92, 0.03), transparent);
    opacity: 0;
    transition: var(--transition-normal);
}

.benefit-card:hover {
    background-color: var(--color-bg-card);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.benefit-card:hover::before {
    opacity: 1;
}

.benefit-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    background: linear-gradient(135deg, rgba(200, 164, 92, 0.1), rgba(200, 164, 92, 0.04));
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition-bounce);
}

.benefit-card:hover .benefit-icon {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    transform: scale(1.1) rotate(-5deg);
}

.benefit-card h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.benefit-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* --- Stakeholder Logo Grid --- */
.partners-container {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 50px;
    margin-top: 20px;
}

.partners-row {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
}

.partner-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-normal);
    padding: 16px 24px;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.partner-logo:hover {
    color: var(--color-white);
    transform: translateY(-4px);
    background-color: rgba(200, 164, 92, 0.04);
    border-color: rgba(200, 164, 92, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.partner-logo span {
    font-family: var(--font-heading-alt);
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: 0.5px;
}

.partner-logo small {
    font-size: 0.65rem;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* --- Contact Section --- */
.contact-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    overflow: hidden;
    position: relative;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 30%, rgba(200, 164, 92, 0.06), transparent);
    pointer-events: none;
}

.contact-info {
    padding: 50px;
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.contact-info h2 {
    color: var(--color-white);
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.contact-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition-fast);
}

.detail-item:hover {
    transform: translateX(4px);
}

.detail-item a {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    transition: var(--transition-fast);
}

.detail-item a:hover {
    color: var(--color-accent-light);
    text-decoration: underline;
}

.detail-item svg {
    flex-shrink: 0;
    color: var(--color-accent);
}

.contact-form-wrapper {
    background-color: var(--color-bg-card);
    padding: 50px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
}

.form-group input, .form-group textarea {
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-section-alt);
    font-size: 16px;
    transition: var(--transition-fast);
    min-height: 48px;
    touch-action: manipulation;
    color: var(--color-text);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--color-accent);
    background-color: var(--color-bg-card);
    box-shadow: 0 0 0 3px rgba(200, 164, 92, 0.1);
}

.form-group input::placeholder, .form-group textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

/* --- Footer --- */
.footer {
    background: linear-gradient(180deg, var(--color-dark), var(--color-deeper));
    color: rgba(255, 255, 255, 0.6);
    padding: 50px 0 40px;
    border-top: 1px solid rgba(200, 164, 92, 0.06);
}

.footer-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-brand .logo {
    color: var(--color-white);
}

.footer-brand .logo span {
    font-family: var(--font-heading-alt);
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--color-white);
    letter-spacing: 0.5px;
}

.footer-brand p {
    font-size: 0.8rem;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-fast);
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-links a:hover::after {
    width: 100%;
}

/* --- Mobile Nav Drawer --- */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: 1001;
    padding: 100px 40px 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    box-shadow: -10px 0 40px rgba(27, 42, 74, 0.12);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav-link {
    font-family: var(--font-heading-alt);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-primary);
    transition: var(--transition-fast);
    position: relative;
    width: fit-content;
}

.mobile-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition-normal);
}

.mobile-nav-link:hover {
    color: var(--color-accent);
    padding-left: 8px;
}

.mobile-nav-link:hover::after {
    width: 100%;
}

.mobile-nav-btn {
    margin-top: 20px;
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-overlay);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* --- Success Popup Modal --- */
.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 26, 46, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    padding: 24px;
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-modal {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 48px 40px 40px;
    max-width: 420px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-bounce);
    position: relative;
}

.popup-overlay.active .popup-modal {
    transform: scale(1) translateY(0);
}

.popup-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(200, 164, 92, 0.12), rgba(200, 164, 92, 0.04));
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.popup-modal h3 {
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.popup-modal p {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    line-height: 1.6;
}

.popup-close-btn {
    width: 100%;
    padding: 14px 28px;
    font-size: 1rem;
    cursor: pointer;
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVENESS) — IMPROVED
   ========================================================================== */

/* Prevent horizontal overflow on all screens */
html, body {
    overflow-x: hidden !important;
    width: 100%;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

/* Fix all elements to prevent overflow */
*, *::before, *::after {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    max-width: 100%;
}

img, svg, canvas {
    max-width: 100%;
    height: auto;
}

/* --- Large tablets / Small desktops (≤ 1200px) --- */
@media (max-width: 1200px) {
    .hero-title { font-size: 3.8rem; }
    .metrics-grid { gap: 16px; }
    .challenges-grid { grid-template-columns: repeat(3, 1fr); }
    .benefits-grid { gap: 24px; }
    .partners-row { gap: 32px; }
}

/* --- Tablets & Small Laptops (≤ 1024px) --- */
@media (max-width: 1024px) {
    :root {
        --max-width: 100%;
    }
    .section-padding { padding: 90px 0; }
    .section-title { font-size: 2.4rem; }
    .hero-title { font-size: 3.5rem; }
    .hero-subtitle { font-size: 1.4rem; }
    .hero-description { max-width: 100%; }
    
    .metrics-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .metric-card { padding: 28px 20px; }
    
    .about-grid { gap: 40px; }
    
    .solutions-tabs-wrapper { grid-template-columns: 0.9fr 1.1fr; gap: 0; }
    .tab-btn { padding: 24px 20px; font-size: 1rem; }
    .solutions-tabs-content { padding: 40px; }
    .panel-grid { gap: 30px; }
    
    .challenges-grid { grid-template-columns: repeat(3, 1fr); }
    .challenge-card { padding: 28px 20px; }
    
    .market-diagram-wrapper { padding: 32px; }
    .market-stats-row { gap: 24px; }
    .market-stat-card { padding: 32px; }
    
    .benefits-grid { gap: 24px; }
    .benefit-card { padding: 28px; }
    
    .contact-card { grid-template-columns: 0.9fr 1.1fr; }
    .contact-info { padding: 40px; }
    .contact-form-wrapper { padding: 40px; }
}

/* --- Tablets (≤ 900px) --- */
@media (max-width: 900px) {
    .section-padding { padding: 76px 0; }
    .section-title { font-size: 2.2rem; }
    
    .hero { min-height: 650px; }
    .hero-title { font-size: 3.2rem; }
    .hero-subtitle { font-size: 1.3rem; }
    
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .metrics-dashboard { margin-top: -40px; }
    
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-cards-container { flex-direction: row; flex-wrap: wrap; }
    .vision-mission-card { flex: 1 1 280px; }
    
    .challenges-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    
    .solutions-tabs-wrapper { grid-template-columns: 1fr; }
    .solutions-tabs-nav {
        flex-direction: row;
        border-right: none;
        border-bottom: 2px solid var(--color-border);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        gap: 0;
    }
    .tab-btn {
        padding: 18px 20px;
        flex-shrink: 0;
        text-align: center;
        justify-content: center;
        border-left: none;
        border-bottom: 4px solid transparent;
        font-size: 0.9rem;
        white-space: nowrap;
        scroll-snap-align: start;
        min-width: max-content;
    }
    .tab-btn.active {
        border-left-color: transparent;
        border-bottom-color: var(--color-accent);
    }
    .tab-btn::after { display: none; }
    .solutions-tabs-content { padding: 32px; }
    .panel-grid { grid-template-columns: 1fr; gap: 24px; }
    .panel-visual { flex-direction: row; flex-wrap: wrap; }
    .solution-card-metric { flex: 1; min-width: 200px; }
    
    .market-diagram-wrapper { flex-direction: column; gap: 28px; text-align: center; padding: 32px; }
    .arrow-svg { transform: rotate(90deg); }
    .arrow-svg svg { width: 32px; height: 20px; }
    .market-stats-row { grid-template-columns: 1fr; gap: 24px; }
    .bottleneck-node { width: 120px; height: 120px; }
    .bottleneck-node h4 { font-size: 0.7rem; }
    
    .benefits-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    
    .contact-card { grid-template-columns: 1fr; }
    
    .footer-container { flex-wrap: wrap; gap: 24px; }
    .footer-links { flex-wrap: wrap; }
}

/* --- Mobile (≤ 768px) --- */
@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .section-padding { padding: 64px 0; }
    .section-title { font-size: 2rem; }
    .section-desc { font-size: 1rem; }
    .section-header { margin-bottom: 40px; max-width: 100%; }
    .paragraph { font-size: 1rem; }
    
    .nav, .btn-nav { display: none !important; }
    .mobile-nav-toggle { display: flex !important; }
    
    /* Hero */
    .hero { min-height: 100dvh; padding-top: 80px; text-align: center; }
    .hero-content { max-width: 100%; margin: 0 auto; display: flex; flex-direction: column; align-items: center; }
    .hero-title { font-size: 2.6rem; letter-spacing: -1px; }
    .hero-subtitle { font-size: 1.15rem; }
    .hero-description { font-size: 0.95rem; max-width: 100%; margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; flex-wrap: wrap; }
    .hero-scroll-indicator { display: none; }
    .badge { font-size: 0.75rem; padding: 5px 14px; }
    
    /* Metrics */
    .metrics-dashboard { margin-top: -32px; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .metric-value { font-size: 2rem; }
    .metric-label { font-size: 0.75rem; }
    .metric-card { padding: 24px 16px; }
    
    /* About */
    .about-grid { grid-template-columns: 1fr; gap: 36px; }
    .about-cards-container { flex-direction: column; }
    .about-sub { font-size: 1.5rem; }
    .about-features { gap: 16px; }
    .about-feature-item { padding: 14px 16px; }
    .vision-mission-card { padding: 28px; flex: 1 1 auto; }
    
    /* Timeline */
    .interactive-timeline { margin-top: 36px; }
    .timeline-item { padding-left: 60px; margin-bottom: 32px; }
    .timeline-line { left: 22px; }
    .timeline-dot { left: 14px; width: 16px; height: 16px; }
    .timeline-content-box { padding: 20px; }
    .timeline-content-box::before { left: -7px; width: 14px; height: 14px; }
    .timeline-date { font-size: 1rem; }
    .timeline-content-box h4 { font-size: 1.1rem; }
    .project-benefits-header { margin: 60px auto 32px; }
    .project-benefits-header h3 { font-size: 1.5rem; }
    
    /* Challenges */
    .challenges-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .challenge-card { padding: 24px 18px; }
    .challenge-num { font-size: 1.4rem; }
    .challenge-card h3 { font-size: 1rem; }
    .challenge-card p { font-size: 0.8rem; }
    .challenges-callout {
        flex-direction: column;
        text-align: center;
        padding: 28px 20px;
        gap: 20px;
    }
    .callout-percent { font-size: 2.5rem; }
    .callout-text h4 { font-size: 1.2rem; }
    
    /* Solutions Tabs */
    .solutions-tabs-wrapper { border-radius: var(--border-radius-md); }
    .tab-btn { font-size: 0.82rem; padding: 14px 16px; }
    .tab-num { display: none; }
    .solutions-tabs-content { padding: 24px 20px; }
    .panel-info h3 { font-size: 1.4rem; }
    .panel-grid { grid-template-columns: 1fr; gap: 20px; }
    .panel-visual { display: none; }
    .panel-highlights { gap: 8px; }
    .highlight-pill { font-size: 0.8rem; padding: 6px 14px; }
    .impact-stats-grid { grid-template-columns: 70px 1fr; gap: 12px 16px; }
    .example-box { padding: 16px; }
    
    /* Market */
    .market-diagram-wrapper { padding: 28px 20px; gap: 24px; }
    .market-flow-card { padding: 24px 20px; }
    .market-flow-card h3 { font-size: 1.15rem; }
    .market-flow-card p { font-size: 0.85rem; }
    .bottleneck-node { width: 100px; height: 100px; padding: 12px; }
    .bottleneck-node .node-icon svg { width: 30px; height: 30px; }
    .bottleneck-node h4 { font-size: 0.65rem; }
    .supply-logo { padding: 8px 14px; font-size: 0.85rem; }
    .arrow-svg svg { width: 28px; height: 18px; }
    .market-stats-row { grid-template-columns: 1fr; gap: 20px; }
    .market-stat-card { padding: 28px 20px; }
    .market-stat-card h4 { font-size: 1.2rem; margin-bottom: 24px; }
    .chart-mock { height: 150px; gap: 16px; }
    .bar span { font-size: 0.65rem; bottom: -38px; }
    .bar::after { font-size: 0.8rem; top: -24px; }
    .chart-caption { font-size: 0.85rem; margin-top: 30px; }
    .trend-stat { flex-direction: column; gap: 8px; align-items: flex-start; }
    .trend-stat .value { font-size: 2rem; }
    .progress-track { height: 32px; }
    .progress-fill { font-size: 0.7rem; padding-left: 12px; }
    
    /* Benefits */
    .benefits-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .benefit-card { padding: 22px; }
    .benefit-icon { width: 42px; height: 42px; margin-bottom: 16px; }
    .benefit-icon svg { width: 20px; height: 20px; }
    .benefit-card h4 { font-size: 1.1rem; }
    .benefit-card p { font-size: 0.85rem; }
    
    /* Partners */
    .partners-row { gap: 24px; }
    .partner-logo { padding: 12px 16px; }
    .partner-logo span { font-size: 1.1rem; }
    .partner-logo small { font-size: 0.6rem; }
    
    /* Contact */
    .contact-card { border-radius: var(--border-radius-lg); }
    .contact-info { padding: 32px 24px; }
    .contact-info h2 { font-size: 1.8rem; }
    .contact-info p { margin-bottom: 28px; font-size: 0.95rem; }
    .contact-form-wrapper { padding: 32px 24px; }
    .form-row { grid-template-columns: 1fr; gap: 16px; }
    .form-group label { font-size: 0.75rem; }
    .detail-item a { font-size: 0.9rem; word-break: break-all; }
    
    /* Footer */
    .footer-container { flex-direction: column; gap: 20px; text-align: center; }
    .footer-brand { align-items: center; }
    .footer-links { justify-content: center; flex-wrap: wrap; gap: 16px; }
    .footer { padding: 40px 0 32px; }
    .mobile-nav { width: 300px; }
    
    /* Popup */
    .popup-modal { padding: 40px 28px 32px; }
    .popup-modal h3 { font-size: 1.6rem; }
    
    /* Section divider */
    .section-divider { height: 1px; }
}

/* --- Small mobile (≤ 480px) --- */
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .section-padding { padding: 56px 0; }
    
    .header { padding: 16px 0; }
    .header.scrolled { padding: 10px 0; }
    .logo-img { height: 38px; }
    .brand-name { font-size: 1.1rem; letter-spacing: 0.5px; }
    .brand-sub { font-size: 0.6rem; letter-spacing: 2px; }
    .header-container { gap: 8px; }
    
    .hero { min-height: 100dvh; padding-top: 80px; }
    .hero-title { font-size: 2rem; letter-spacing: -0.5px; }
    .hero-subtitle { font-size: 1.05rem; }
    .hero-description { font-size: 0.9rem; margin-bottom: 28px; }
    .hero-actions { flex-direction: column; width: 100%; gap: 12px; }
    .hero-actions .btn { width: 100%; justify-content: center; padding: 12px 24px; font-size: 0.9rem; }
    .badge { font-size: 0.7rem; padding: 4px 12px; margin-bottom: 20px; }
    
    .section-title { font-size: 1.75rem; }
    .section-desc { font-size: 0.95rem; }
    .section-header { margin-bottom: 32px; }
    .title-accent { width: 60px; height: 2px; margin-bottom: 20px; }
    
    .metrics-dashboard { margin-top: -20px; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .metric-card { padding: 20px 12px; }
    .metric-value { font-size: 1.8rem; }
    .metric-label { font-size: 0.7rem; letter-spacing: 0.3px; }
    
    .about-sub { font-size: 1.35rem; }
    .about-sub-label { font-size: 0.7rem; padding: 3px 10px; }
    .about-features { gap: 14px; }
    .about-feature-item { padding: 12px 14px; }
    .feature-icon-wrapper { width: 40px; height: 40px; }
    .feature-icon-wrapper svg { width: 20px; height: 20px; }
    .about-feature-item h4 { font-size: 1.05rem; }
    .vision-mission-card { padding: 24px 20px; }
    .vision-mission-card h3 { font-size: 1.3rem; }
    .vm-icon svg { width: 32px; height: 32px; }
    
    .challenges-grid { grid-template-columns: 1fr; gap: 12px; }
    .challenge-card { padding: 20px 16px; }
    .challenge-num { font-size: 1.3rem; margin-bottom: 12px; }
    .challenge-card h3 { font-size: 0.95rem; }
    .challenge-card p { font-size: 0.8rem; }
    .challenges-callout { padding: 24px 16px; gap: 16px; }
    .callout-percent { font-size: 2rem; }
    .callout-text h4 { font-size: 1.1rem; }
    .callout-text p { font-size: 0.85rem; }
    .source-credit { font-size: 0.6rem; }
    
    .solutions-tabs-nav { gap: 0; }
    .tab-btn { padding: 12px 10px; font-size: 0.78rem; white-space: nowrap; }
    .solutions-tabs-content { padding: 20px 16px; }
    .panel-info h3 { font-size: 1.25rem; }
    .panel-highlights { gap: 6px; }
    .highlight-pill { font-size: 0.75rem; padding: 5px 12px; }
    .panel-list-item { font-size: 0.85rem; padding-left: 20px; }
    .panel-list-item::before { width: 6px; height: 6px; top: 7px; }
    .impact-stats-grid { grid-template-columns: 60px 1fr; gap: 10px 12px; }
    .impact-stat-box { padding: 8px 6px; }
    .impact-stat-box .stat-num { font-size: 1.1rem; }
    .example-box { padding: 14px; }
    .example-box h4 { font-size: 0.95rem; }
    .example-box p { font-size: 0.8rem; }
    
    .market-diagram-wrapper { padding: 20px 16px; gap: 20px; }
    .market-flow-card { padding: 20px 16px; }
    .market-flow-card h3 { font-size: 1.05rem; }
    .market-flow-card p { font-size: 0.8rem; }
    .supply-logo { padding: 6px 12px; font-size: 0.75rem; }
    .arrow-svg svg { width: 24px; height: 14px; }
    .bottleneck-node { width: 90px; height: 90px; padding: 10px; }
    .bottleneck-node .node-icon svg { width: 24px; height: 24px; }
    .bottleneck-node h4 { font-size: 0.6rem; }
    .highlight-tag { font-size: 0.8rem; padding: 6px 14px; }
    .market-stat-card { padding: 24px 16px; }
    .market-stat-card h4 { font-size: 1.1rem; padding-left: 10px; }
    .chart-mock { height: 130px; gap: 10px; }
    .bar span { font-size: 0.6rem; bottom: -34px; }
    .bar::after { font-size: 0.7rem; top: -20px; }
    .chart-caption { font-size: 0.8rem; margin-top: 24px; }
    .trend-stat .value { font-size: 1.8rem; }
    .trend-stat .label { font-size: 0.85rem; }
    .progress-track { height: 28px; }
    .progress-fill { font-size: 0.65rem; padding-left: 10px; }
    
    .timeline-line { left: 18px; width: 2px; }
    .timeline-dot { left: 12px; width: 14px; height: 14px; border-width: 3px; }
    .timeline-item { padding-left: 46px; margin-bottom: 24px; }
    .timeline-date { font-size: 0.9rem; }
    .timeline-content-box { padding: 16px; }
    .timeline-content-box::before { display: none; }
    .timeline-content-box h4 { font-size: 1rem; }
    .timeline-content-box p { font-size: 0.85rem; }
    .project-benefits-header { margin: 48px auto 24px; }
    .project-benefits-header h3 { font-size: 1.3rem; padding-bottom: 12px; }
    .project-benefits-header h3::after { width: 40px; height: 2px; }
    
    .benefits-grid { grid-template-columns: 1fr; gap: 14px; }
    .benefit-card { padding: 20px; }
    .benefit-icon { width: 38px; height: 38px; margin-bottom: 14px; }
    .benefit-icon svg { width: 18px; height: 18px; }
    .benefit-card h4 { font-size: 1.05rem; }
    .benefit-card p { font-size: 0.85rem; }
    
    .partners-row { gap: 14px; }
    .partner-logo { padding: 10px 14px; }
    .partner-logo span { font-size: 1rem; }
    .partner-logo small { font-size: 0.55rem; }
    .partners-container { padding-top: 32px; }
    
    .contact-info { padding: 28px 20px; }
    .contact-info h2 { font-size: 1.6rem; }
    .contact-info p { margin-bottom: 24px; font-size: 0.9rem; }
    .contact-form-wrapper { padding: 24px 20px; }
    .contact-form { gap: 18px; }
    .form-group input, .form-group textarea { padding: 10px 14px; font-size: 15px; min-height: 44px; }
    .btn-block { font-size: 0.9rem; padding: 12px 20px; }
    .detail-item { gap: 12px; }
    .detail-item svg { width: 18px; height: 18px; }
    .detail-item a { font-size: 0.85rem; }
    
    .footer-links { gap: 12px; }
    .footer-links a { font-size: 0.8rem; }
    .footer { padding: 32px 0 28px; }
    .footer-brand .logo svg { width: 24px; height: 24px; }
    .footer-brand .logo span { font-size: 1rem; }
    .footer-brand p { font-size: 0.75rem; }
    
    .mobile-nav { width: 100%; padding: 90px 24px 32px; }
    .mobile-nav-link { font-size: 1.1rem; }
    
    .popup-modal { padding: 36px 24px 28px; max-width: 90%; }
    .popup-icon { width: 56px; height: 56px; margin-bottom: 16px; }
    .popup-icon svg { width: 32px; height: 32px; }
    .popup-modal h3 { font-size: 1.4rem; }
    .popup-modal p { font-size: 0.9rem; margin-bottom: 24px; }
    .popup-close-btn { padding: 12px 20px; }
    
    .solution-card-metric { padding: 24px 20px; }
    .solution-card-metric .number { font-size: 1.8rem; }
}

/* --- Very small screens (≤ 380px) --- */
@media (max-width: 380px) {
    .container { padding: 0 12px; }
    
    .hero-title { font-size: 1.75rem; }
    .hero-subtitle { font-size: 0.95rem; }
    .hero { min-height: 100dvh; }
    
    .metrics-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .metric-card { padding: 16px 10px; }
    .metric-value { font-size: 1.5rem; }
    .metric-label { font-size: 0.65rem; }
    
    .section-title { font-size: 1.5rem; }
    .challenges-grid { gap: 10px; }
    .tab-btn { font-size: 0.72rem; padding: 10px 8px; }
    .solutions-tabs-content { padding: 16px 12px; }
    
    .benefits-grid { gap: 12px; }
    .benefit-card { padding: 16px; }
    .benefit-card h4 { font-size: 0.95rem; }
    
    .partner-logo { padding: 8px 10px; }
    .partner-logo span { font-size: 0.85rem; }
    
    .contact-info { padding: 24px 16px; }
    .contact-form-wrapper { padding: 20px 16px; }
    
    .timeline-item { padding-left: 40px; }
    .timeline-line { left: 14px; }
    .timeline-dot { left: 8px; width: 12px; height: 12px; }
    
    .chart-mock { height: 110px; gap: 8px; }
    .market-stat-card { padding: 20px 14px; }
    .bottleneck-node { width: 80px; height: 80px; }
    
    .popup-modal { padding: 28px 20px 24px; }
    .popup-modal h3 { font-size: 1.2rem; }
    
    .header { padding: 12px 0; }
    .logo-img { height: 32px; }
    .brand-name { font-size: 1rem; }
}