/* OneGrid - Modern Renewable Energy Website Styles */

/* ============================================
   RESET & BASE STYLES
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand Colors from Logo Kit */
    --primary-green: #536D33;
    --secondary-dark-green: #19412F;
    --accent-green: #27AE60;
    --black: #000000;
    --white: #FFFFFF;

    /* Grays */
    --gray-50: #F8F9FA;
    --gray-100: #F1F3F5;
    --gray-200: #E9ECEF;
    --gray-600: #666666;
    --gray-900: #333333;

    /* Spacing */
    --container-max-width: 1280px;
    --section-padding: 120px;
    --section-padding-mobile: 60px;

    /* Transitions */
    --transition-smooth: all 0.3s ease;
    --transition-slow: all 0.6s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-energy: 0 0 20px rgba(39, 174, 96, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 60px;
}

.section {
    padding: var(--section-padding) 0;
    position: relative;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    color: var(--gray-900);
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary-green);
    margin-bottom: 15px;
    text-transform: uppercase;
}

.section-title {
    font-size: 48px;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 60px;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background: var(--primary-green);
    color: var(--white);
    border-color: var(--primary-green);
}

.btn-primary:hover {
    background: var(--secondary-dark-green);
    border-color: var(--secondary-dark-green);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(83, 109, 51, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-green);
    border-color: var(--primary-green);
}

.btn-secondary:hover {
    background: var(--primary-green);
    color: var(--white);
}

.btn-large {
    padding: 16px 36px;
    font-size: 16px;
}

.btn-hero-primary {
    background: var(--white);
    color: var(--primary-green);
    border-color: var(--white);
    padding: 16px 36px;
    font-size: 16px;
    font-weight: 700;
}

.btn-hero-primary:hover {
    background: var(--primary-green);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(255, 255, 255, 0.3);
}

.btn-hero-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    padding: 16px 36px;
    font-size: 16px;
    font-weight: 700;
}

.btn-hero-secondary:hover {
    background: var(--white);
    color: var(--primary-green);
}

/* ============================================
   SCROLL PROGRESS BAR
   ============================================ */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--accent-green));
    z-index: 10001;
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s ease;
    box-shadow: var(--shadow-energy);
}

/* ============================================
   NAVIGATION
   ============================================ */

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    animation: slideDown 0.8s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 20px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-mark {
    position: relative;
    width: 44px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-mark svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-green);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-links a {
    color: var(--gray-900);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-green);
}

.nav-ctas {
    display: flex;
    gap: 12px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-green);
    transition: var(--transition-smooth);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(135deg, var(--secondary-dark-green) 0%, var(--primary-green) 100%);
    overflow: hidden;
    padding: 0 40px;
    color: var(--white);
}

#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.energy-circuit {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
}

.circuit-line {
    position: absolute;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(39, 174, 96, 0.3) 10%,
        rgba(39, 174, 96, 0.8) 50%,
        rgba(39, 174, 96, 0.3) 90%,
        transparent 100%);
    box-shadow: var(--shadow-energy);
}

.circuit-line.horizontal {
    height: 2px;
    width: 200px;
    animation: flowHorizontal 3s linear infinite;
}

.circuit-line.vertical {
    width: 2px;
    height: 200px;
    animation: flowVertical 3s linear infinite;
}

@keyframes flowHorizontal {
    0% { transform: translateX(-100%); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateX(calc(100vw + 100%)); opacity: 0; }
}

@keyframes flowVertical {
    0% { transform: translateY(-100%); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(calc(100vh + 100%)); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
}

.hero-tag {
    font-size: 16px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.3s;
}

.hero h1 {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 30px;
    color: var(--white);
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.5s;
}

.hero-stat {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.7s;
}

.hero-ctas {
    display: flex;
    gap: 20px;
    justify-content: center;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.9s;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 1.1s;
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    font-size: 14px;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.8);
}

.scroll-arrow {
    font-size: 24px;
    animation: bounce 2s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Energy Connector */
.energy-connector {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100px;
    background: linear-gradient(180deg,
        transparent 0%,
        rgba(39, 174, 96, 0.5) 50%,
        transparent 100%);
    animation: flowDown 2s ease-in-out infinite;
    bottom: -50px;
}

@keyframes flowDown {
    0%, 100% { opacity: 0.3; height: 100px; }
    50% { opacity: 1; height: 150px; }
}

/* ============================================
   CHALLENGE SECTION
   ============================================ */

.challenge {
    background: #0f0f0f;
    color: var(--white);
    text-align: center;
    position: relative;
    padding-bottom: 40px !important;
}

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

.data-stream {
    position: absolute;
    font-family: 'Courier New', monospace;
    font-size: 10px;
    color: rgba(39, 174, 96, 0.6);
    white-space: nowrap;
    animation: streamFlow 8s linear infinite;
    pointer-events: none;
}

@keyframes streamFlow {
    0% { transform: translateX(-100%); opacity: 0; }
    10% { opacity: 0.8; }
    90% { opacity: 0.8; }
    100% { transform: translateX(100vw); opacity: 0; }
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
    margin-bottom: 60px;
}

.challenge-card {
    background: linear-gradient(135deg, rgba(83, 109, 51, 0.1) 0%, rgba(25, 65, 47, 0.1) 100%);
    border: 1px solid rgba(83, 109, 51, 0.3);
    border-radius: 16px;
    padding: 40px 30px;
    transition: var(--transition-slow);
    opacity: 0;
    transform: translateY(50px);
    position: relative;
    overflow: hidden;
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(39, 174, 96, 0.2) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: var(--transition-slow);
}

.challenge-card:hover::before {
    width: 300px;
    height: 300px;
}

.challenge-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.challenge-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-green);
    box-shadow: 0 20px 40px rgba(83, 109, 51, 0.3), var(--shadow-energy);
}

.card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    position: relative;
    z-index: 1;
    color: var(--accent-green);
    transition: all 0.3s ease;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

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

.challenge-card:hover .card-icon::before {
    content: '';
    position: absolute;
    inset: -20px;
    border: 2px solid rgba(39, 174, 96, 0.5);
    border-radius: 50%;
    animation: ringPulse 1.5s ease-out infinite;
    pointer-events: none;
}

@keyframes ringPulse {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-green);
    position: relative;
    z-index: 1;
}

.card-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

.card-stat {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent-green);
    position: relative;
    z-index: 1;
    text-shadow: 0 0 20px rgba(39, 174, 96, 0.3);
}

.card-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
    position: relative;
    z-index: 1;
}

.challenge-summary {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-green);
    margin-top: 40px;
    margin-bottom: 0;
}

/* ============================================
   DUAL PLATFORM SECTION
   ============================================ */

.dual-platform {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    min-height: 100vh;
    padding: 0 !important;
    margin: 0 !important;
    position: relative;
}

.energy-divider {
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
    background: linear-gradient(180deg,
        transparent 0%,
        rgba(39, 174, 96, 0.5) 10%,
        rgba(39, 174, 96, 0.8) 50%,
        rgba(39, 174, 96, 0.5) 90%,
        transparent 100%);
    z-index: 10;
}

.energy-divider::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 10px;
    height: 10px;
    background: var(--accent-green);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: 0 0 20px rgba(39, 174, 96, 0.8);
    animation: energyPulseMove 3s ease-in-out infinite;
}

@keyframes energyPulseMove {
    0%, 100% { top: 10%; }
    50% { top: 90%; }
}

.platform-side {
    padding: 60px 60px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
    color: var(--white);
}

.platform-side.left {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-green) 100%);
    opacity: 0;
    transform: translateX(-100%);
}

.platform-side.right {
    background: linear-gradient(135deg, var(--secondary-dark-green) 0%, #2C5F3F 100%);
    opacity: 0;
    transform: translateX(100%);
}

.platform-side.visible {
    opacity: 1;
    transform: translateX(0);
    transition: all 1.2s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.platform-content {
    max-width: 550px;
}

.platform-side h2 {
    font-size: 42px;
    margin-bottom: 15px;
    font-weight: 800;
    color: var(--white);
}

.platform-side h3 {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 35px;
}

.feature-list {
    list-style: none;
    margin-bottom: 40px;
}

.feature-list li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    font-size: 16px;
}

.feature-list li::before {
    content: '⚡';
    position: absolute;
    left: 0;
    color: rgba(255, 255, 255, 0.8);
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

.btn-platform-left,
.btn-platform-right {
    background: var(--white);
    color: var(--primary-green);
    border-color: var(--white);
    max-width: 200px;
}

.btn-platform-right {
    color: var(--secondary-dark-green);
}

.btn-platform-left:hover,
.btn-platform-right:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

/* ============================================
   PLATFORM FEATURES SECTION
   ============================================ */

.platform-features {
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-slow);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 24px;
    position: relative;
    color: var(--primary-green);
    transition: all 0.3s ease;
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card:hover .feature-icon {
    color: var(--accent-green);
    transform: scale(1.1);
}

.feature-card:hover .feature-icon::before {
    content: '';
    position: absolute;
    inset: -20px;
    border: 2px solid rgba(39, 174, 96, 0.5);
    border-radius: 50%;
    animation: ringPulse 1.5s ease-out infinite;
    pointer-events: none;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--secondary-dark-green);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

.cta-row {
    text-align: center;
    margin-top: 40px;
}

/* ============================================
   ENERGY FLOW SECTION
   ============================================ */

.energy-flow-demo {
    background: #000;
    color: var(--white);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.energy-flow-demo .section-title {
    color: var(--white);
}

.flow-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    height: 500px;
    margin-top: 60px;
}

.flow-node {
    position: absolute;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    text-align: center;
    box-shadow: 0 0 40px rgba(39, 174, 96, 0.5);
    z-index: 2;
}

.flow-node.source {
    left: 10%;
    top: 50%;
    transform: translateY(-50%);
}

.flow-node.platform {
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
}

.flow-node.destination {
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
}

.node-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.node-label {
    font-size: 13px;
    line-height: 1.3;
}

svg.energy-path {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.path-line {
    fill: none;
    stroke: rgba(39, 174, 96, 0.3);
    stroke-width: 2;
}

.energy-particle {
    fill: var(--accent-green);
    filter: drop-shadow(0 0 8px rgba(39, 174, 96, 0.8));
}

.energy-orb {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(39, 174, 96, 0.8),
                0 0 40px rgba(39, 174, 96, 0.4);
    animation: orbFloat 4s ease-in-out infinite;
}

@keyframes orbFloat {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(0) translateX(20px); }
    75% { transform: translateY(20px) translateX(10px); }
}

/* ============================================
   FLAGSHIP PROJECT SECTION
   ============================================ */

.flagship-project {
    background: linear-gradient(rgba(25, 65, 47, 0.85), rgba(25, 65, 47, 0.85)),
                linear-gradient(135deg, var(--primary-green), var(--accent-green));
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.flagship-project .section-tag,
.flagship-project .section-title,
.flagship-project .section-subtitle {
    color: var(--white);
}

.flagship-project .section-tag {
    color: var(--accent-green);
}

.project-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.stat-box {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 30px 40px;
    min-width: 180px;
    text-align: center;
    transition: var(--transition-smooth);
}

.stat-box:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--accent-green);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

.project-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 900px;
    margin: 0 auto 60px;
}

.project-column h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: var(--white);
}

.project-column ul {
    list-style: none;
}

.project-column li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
}

.project-column li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* ============================================
   BENEFITS SECTION
   ============================================ */

.benefits {
    background: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.benefit-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--gray-50);
    border-radius: 16px;
    transition: var(--transition-slow);
    opacity: 0;
    transform: translateY(30px);
}

.benefit-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.benefit-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-8px);
}

.benefit-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    position: relative;
    color: var(--primary-green);
    transition: all 0.3s ease;
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit-card:hover .benefit-icon {
    color: var(--accent-green);
    transform: scale(1.1);
}

.benefit-card:hover .benefit-icon::before {
    content: '';
    position: absolute;
    inset: -20px;
    border: 2px solid rgba(39, 174, 96, 0.5);
    border-radius: 50%;
    animation: ringPulse 1.5s ease-out infinite;
    pointer-events: none;
}

.benefit-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--secondary-dark-green);
}

.benefit-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: 20px;
}

.benefit-stat {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent-green);
    margin-bottom: 8px;
}

.benefit-label {
    font-size: 12px;
    color: var(--gray-600);
}

/* ============================================
   IMPACT SECTION
   ============================================ */

.impact-demo {
    background: var(--accent-green);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.impact-demo::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 100px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: ripple 3s ease-out infinite;
}

@keyframes ripple {
    0% {
        width: 100px;
        height: 100px;
        opacity: 1;
    }
    100% {
        width: 800px;
        height: 800px;
        opacity: 0;
    }
}

.impact-demo .section-tag,
.impact-demo .section-title {
    color: var(--white);
    position: relative;
    z-index: 1;
}

.impact-box {
    position: relative;
    z-index: 1;
}

.impact-subtitle {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.impact-number {
    font-size: 96px;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--white), var(--secondary-dark-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.impact-unit {
    font-size: 24px;
    margin-bottom: 60px;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto 40px;
}

.impact-item {
    text-align: center;
}

.impact-item-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.impact-item-value {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.impact-item-label {
    font-size: 14px;
    opacity: 0.9;
}

.impact-footer {
    font-size: 20px;
    font-weight: 600;
    margin-top: 40px;
}

/* ============================================
   INSIGHTS SECTION
   ============================================ */

.insights {
    background: var(--gray-50);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.blog-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-slow);
    opacity: 0;
    transform: translateY(30px) scale(0.95);
}

.blog-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.blog-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-md);
}

.blog-image {
    height: 220px;
    background: linear-gradient(135deg, var(--primary-green), var(--accent-green));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 14px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-content {
    padding: 30px;
}

.blog-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--secondary-dark-green);
    margin-bottom: 12px;
    line-height: 1.3;
}

.blog-excerpt {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 20px;
}

.blog-link {
    color: var(--primary-green);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.blog-link:hover {
    color: var(--secondary-dark-green);
}

/* Skeleton Loaders */
.blog-skeleton {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.skeleton-image {
    height: 220px;
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-content {
    padding: 30px;
}

.skeleton-title {
    height: 24px;
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 15px;
}

.skeleton-text {
    height: 16px;
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    margin-bottom: 10px;
}

.skeleton-text:last-child {
    width: 60%;
}

/* ============================================
   DUAL CTA SECTION
   ============================================ */

.dual-cta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    min-height: 70vh;
    padding: 0;
}

.cta-side {
    padding: 80px 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.cta-side.left {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--accent-green) 100%);
}

.cta-side.right {
    background: linear-gradient(135deg, var(--secondary-dark-green) 0%, var(--primary-green) 100%);
}

.cta-content {
    max-width: 500px;
}

.cta-side h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--white);
}

.cta-side p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-features {
    list-style: none;
    margin-bottom: 40px;
}

.cta-features li {
    padding: 8px 0;
    font-size: 16px;
}

.cta-features li::before {
    content: '✓ ';
    color: rgba(255, 255, 255, 0.8);
    font-weight: bold;
}

.btn-cta-left,
.btn-cta-right {
    background: var(--white);
    color: var(--primary-green);
    border-color: var(--white);
}

.btn-cta-right {
    color: var(--secondary-dark-green);
}

.btn-cta-left:hover,
.btn-cta-right:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-top: 60px;
}

.contact-info h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--secondary-dark-green);
}

.contact-info > p {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    font-size: 32px;
}

.contact-label {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 5px;
}

.contact-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--secondary-dark-green);
    text-decoration: none;
}

.contact-value:hover {
    color: var(--primary-green);
}

.contact-steps {
    margin-top: 50px;
}

.contact-steps h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--secondary-dark-green);
}

.contact-steps ol {
    padding-left: 25px;
}

.contact-steps li {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 12px;
}

.contact-form {
    background: var(--gray-50);
    padding: 50px;
    border-radius: 16px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
}

.form-group textarea {
    resize: vertical;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--secondary-dark-green);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo-text {
    color: var(--accent-green);
}

.footer-tagline {
    margin: 20px 0;
    opacity: 0.8;
    line-height: 1.6;
}

.footer-contact {
    margin-top: 20px;
}

.footer-contact p {
    margin-bottom: 8px;
    opacity: 0.8;
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    color: var(--accent-green);
    letter-spacing: 1px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.social-links {
    display: flex;
    gap: 25px;
}

.social-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.copyright {
    font-size: 14px;
    opacity: 0.7;
}

.legal-links {
    display: flex;
    gap: 20px;
}

.legal-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
}

.legal-links a:hover {
    color: var(--white);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    .container {
        padding: 0 40px;
    }

    .nav-container {
        padding: 20px 40px;
    }

    .section {
        padding: 80px 0;
    }

    .hero h1 {
        font-size: 48px;
    }

    .section-title {
        font-size: 40px;
    }

    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid,
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-features {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .container {
        padding: 0 20px;
    }

    .nav-container {
        padding: 15px 20px;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 30px 20px;
        box-shadow: var(--shadow-md);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        gap: 20px;
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-ctas {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 20px 60px;
        min-height: 90vh;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-stat {
        font-size: 16px;
    }

    .hero-ctas {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }

    .hero-ctas .btn {
        width: 100%;
    }

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .cards-grid,
    .features-grid,
    .benefits-grid,
    .blog-grid,
    .impact-grid {
        grid-template-columns: 1fr;
    }

    .dual-platform,
    .dual-cta {
        grid-template-columns: 1fr;
    }

    .energy-divider {
        display: none;
    }

    .platform-side,
    .cta-side {
        padding: 60px 30px;
    }

    .flow-container {
        height: 400px;
    }

    .flow-node {
        width: 80px;
        height: 80px;
        font-size: 11px;
    }

    .flow-node.platform {
        width: 100px;
        height: 100px;
    }

    .node-icon {
        font-size: 24px;
    }

    .project-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-number {
        font-size: 36px;
    }

    .impact-number {
        font-size: 64px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.text-center {
    text-align: center;
}

.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }