/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #1a5f2a;
    --primary-light: #2d7d32;
    --primary-dark: #0d3d16;
    --accent: #f5a623;
    --accent-light: #ffc107;
    --dark: #0a1628;
    --dark-light: #111d35;
    --dark-lighter: #1a2d4d;
    --white: #ffffff;
    --gray-100: #f5f5f5;
    --gray-200: #e0e0e0;
    --gray-300: #bdbdbd;
    --gray-500: #757575;
    --gray-700: #424242;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-gold: linear-gradient(90deg, var(--accent), #e8941f);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-lg: 0 16px 48px rgba(0,0,0,0.16);
    --shadow-glow: 0 0 30px rgba(245,166,35,0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: all 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans Arabic', 'Inter', sans-serif;
    background: var(--white);
    color: var(--gray-700);
    line-height: 1.7;
    overflow-x: hidden;
    direction: rtl;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 56px;
    height: 56px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition);
    animation: pulse 2s infinite;
}
.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(37,211,102,0.4);
}
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}
.header.scrolled {
    box-shadow: var(--shadow-md);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.logo-icon {
    position: relative;
    width: 42px;
    height: 42px;
    background: var(--gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}
.logo-icon i:first-child { font-size: 14px; position: absolute; top: 6px; right: 6px; }
.logo-icon i:last-child { font-size: 20px; opacity: 0.9; }
.logo-text { display: flex; flex-direction: column; }
.logo-main { font-size: 18px; font-weight: 800; color: var(--primary); line-height: 1.2; }
.logo-sub { font-size: 11px; font-weight: 500; color: var(--gray-500); line-height: 1.2; }

.nav { display: flex; gap: 6px; }
.nav-link {
    padding: 8px 14px;
    text-decoration: none;
    color: var(--gray-700);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: rgba(26,95,42,0.08);
}

.header-actions { display: flex; align-items: center; gap: 12px; }
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--gray-700);
    cursor: pointer;
    padding: 8px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-glow {
    background: var(--gradient-gold);
    color: var(--dark);
    box-shadow: var(--shadow-sm);
}
.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}
.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}
.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}
.btn-full { width: 100%; justify-content: center; }

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 72px;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--dark);
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,22,40,0.95) 0%, rgba(26,95,42,0.85) 100%);
}
.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(245,166,35,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(45,125,50,0.1) 0%, transparent 50%);
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 40px 20px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245,166,35,0.15);
    color: var(--accent);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid rgba(245,166,35,0.2);
}
.hero-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 20px;
}
.gradient-text {
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.75);
    max-width: 600px;
    margin: 0 auto 32px;
}
.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}
.stat-item {
    text-align: center;
}
.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}
.stat-suffix {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}
.stat-label {
    display: block;
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    margin-top: 4px;
}
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}
.hero-scroll a {
    color: rgba(255,255,255,0.5);
    font-size: 24px;
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

/* ===== SECTIONS ===== */
.section { padding: 80px 0; }
.section-dark {
    background: var(--dark);
    color: white;
}
.section-dark .section-desc { color: rgba(255,255,255,0.6); }
.section-dark .section-tag { background: rgba(245,166,35,0.15); color: var(--accent); }

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}
.section-tag {
    display: inline-block;
    background: rgba(26,95,42,0.1);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}
.section-title {
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 800;
    color: var(--gray-700);
    margin-bottom: 12px;
    line-height: 1.3;
}
.section-dark .section-title { color: white; }
.highlight { color: var(--primary-light); }
.section-dark .highlight { color: var(--accent); }
.section-desc {
    font-size: 16px;
    color: var(--gray-500);
}

/* ===== ABOUT ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 64px;
}
.about-image { position: relative; }
.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.about-img-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient);
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
}
.badge-year { display: block; font-size: 28px; font-weight: 800; line-height: 1; }
.badge-text { font-size: 12px; font-weight: 500; }
.about-content h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 16px;
}
.about-content p { margin-bottom: 14px; color: var(--gray-500); }
.about-features { margin-top: 24px; }
.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 14px;
}
.feature-item i { color: var(--primary); font-size: 16px; }

/* Timeline */
.timeline {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    position: relative;
    padding-top: 20px;
}
.timeline::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 3px;
}
.timeline-item {
    flex: 1;
    text-align: center;
    position: relative;
}
.timeline-dot {
    width: 20px;
    height: 20px;
    background: var(--gradient);
    border-radius: 50%;
    margin: 0 auto 12px;
    position: relative;
    z-index: 1;
    border: 3px solid white;
    box-shadow: var(--shadow-sm);
}
.timeline-year {
    display: inline-block;
    background: var(--accent);
    color: var(--dark);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 8px;
}
.timeline-content h4 { font-size: 15px; font-weight: 700; color: var(--gray-700); margin-bottom: 4px; }
.timeline-content p { font-size: 12px; color: var(--gray-500); }

/* ===== SERVICES ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}
.service-card {
    background: var(--dark-light);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(245,166,35,0.2);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 26px;
    color: white;
}
.service-card h3 { font-size: 17px; font-weight: 700; color: white; margin-bottom: 10px; }
.service-card p { font-size: 13px; color: rgba(255,255,255,0.6); }

/* Process */
.process-title { text-align: center; font-size: 20px; font-weight: 700; color: white; margin-bottom: 32px; }
.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.process-step {
    text-align: center;
    min-width: 140px;
}
.step-number {
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: var(--dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    margin: 0 auto 10px;
}
.process-step i { font-size: 28px; color: var(--accent); margin-bottom: 8px; }
.process-step h4 { font-size: 15px; font-weight: 700; color: white; margin-bottom: 4px; }
.process-step p { font-size: 12px; color: rgba(255,255,255,0.5); }
.process-arrow { color: var(--accent); font-size: 18px; }

/* ===== PRODUCTS ===== */
.products-filter {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.filter-btn {
    padding: 10px 20px;
    border: 1px solid var(--gray-200);
    background: white;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.filter-btn:hover, .filter-btn.active {
    background: var(--gradient);
    color: white;
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.product-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.product-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--gradient);
    color: white;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    z-index: 2;
}
.product-img {
    height: 160px;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--primary);
}
.product-card h3 { font-size: 15px; font-weight: 700; color: var(--gray-700); padding: 16px 16px 4px; }
.product-card > p { font-size: 12px; color: var(--gray-500); padding: 0 16px 12px; }
.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid var(--gray-100);
}
.product-brand { font-size: 11px; color: var(--gray-500); font-weight: 500; }
.product-price { font-size: 14px; font-weight: 700; color: var(--primary); }

/* ===== PROJECTS ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.project-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    aspect-ratio: 4/3;
    cursor: pointer;
}
.project-card:first-child { grid-column: span 2; grid-row: span 2; }
.project-img { position: relative; width: 100%; height: 100%; }
.img-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--dark-lighter), var(--dark-light));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.4);
    gap: 8px;
}
.img-placeholder i { font-size: 36px; }
.img-placeholder span { font-size: 13px; font-weight: 500; }
.img-placeholder.large i { font-size: 56px; }
.img-placeholder.large span { font-size: 16px; }
.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,22,40,0.95) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition);
}
.project-card:hover .project-overlay { opacity: 1; }
.project-year {
    display: inline-block;
    background: var(--accent);
    color: var(--dark);
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 8px;
    width: fit-content;
}
.project-overlay h3 { font-size: 16px; font-weight: 700; color: white; margin-bottom: 4px; }
.project-overlay p { font-size: 12px; color: rgba(255,255,255,0.7); }

/* ===== CALCULATOR ===== */
.calc-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}
.calc-slider {
    background: var(--gray-100);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
}
.calc-slider label {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 10px;
}
.slider-value { color: var(--accent); font-weight: 700; }
.calc-slider input[type="range"] {
    width: 100%;
    accent-color: var(--primary);
    margin-bottom: 6px;
}
.calc-slider small { font-size: 11px; color: var(--gray-500); }

.device-row {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    margin-bottom: 8px;
}
.device-icon { font-size: 20px; width: 32px; text-align: center; }
.device-name { flex: 1; font-size: 13px; font-weight: 500; }
.device-watt { color: var(--gray-500); font-size: 11px; }
.qty-control { display: flex; align-items: center; gap: 8px; }
.qty-btn {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    border: none;
    background: white;
    color: var(--primary);
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.qty-btn:hover { background: var(--primary); color: white; }
.qty-val { font-weight: 700; min-width: 20px; text-align: center; font-size: 14px; }

.calc-results {
    background: linear-gradient(135deg, var(--dark-light), var(--dark));
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid rgba(245,166,35,0.15);
    color: white;
}
.calc-results h3 {
    color: var(--accent);
    margin: 0 0 20px 0;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.result-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.result-item:last-child { border-bottom: none; }
.result-label { color: rgba(255,255,255,0.5); font-size: 13px; }
.result-value { font-weight: 700; color: white; font-size: 14px; }
.result-value.highlight { color: var(--accent); font-size: 16px; }

/* ===== CONTACT ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.contact-card {
    background: var(--dark-light);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}
.contact-card:hover {
    border-color: rgba(245,166,35,0.2);
    transform: translateY(-4px);
}
.contact-card i {
    font-size: 24px;
    color: var(--accent);
    margin-bottom: 12px;
}
.contact-card h4 { font-size: 14px; font-weight: 700; color: white; margin-bottom: 8px; }
.contact-card p { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.6; }
.contact-social {
    grid-column: span 2;
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 8px;
}
.contact-social a {
    width: 44px;
    height: 44px;
    background: var(--dark-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 18px;
    transition: var(--transition);
}
.contact-social a:hover { background: var(--accent); color: var(--dark); }

.contact-form-wrapper {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
}
.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--gray-100);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,95,42,0.1);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: white;
    padding: 60px 0 24px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand p {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    margin: 16px 0;
    line-height: 1.7;
}
.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social a {
    width: 36px;
    height: 36px;
    background: var(--dark-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 14px;
    transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: var(--dark); }
.footer-links h4 {
    font-size: 14px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}
.footer-links a {
    display: block;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 13px;
    margin-bottom: 10px;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); padding-right: 4px; }
.footer-contact h4 {
    font-size: 14px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}
.footer-contact p {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-contact i { color: var(--accent); font-size: 12px; width: 16px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 20px;
    text-align: center;
}
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.4); }
.footer-tagline { color: var(--accent) !important; margin-top: 4px; }

/* ===== IMAGE PLACEHOLDERS ===== */
.img-placeholder {
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray-300);
    gap: 8px;
    width: 100%;
    height: 100%;
}
.img-placeholder i { font-size: 40px; }
.img-placeholder span { font-size: 13px; font-weight: 500; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .products-grid { grid-template-columns: repeat(3, 1fr); }
    .projects-grid { grid-template-columns: repeat(3, 1fr); }
    .project-card:first-child { grid-column: span 2; grid-row: span 1; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: white; flex-direction: column; padding: 20px; box-shadow: var(--shadow-md); }
    .nav.active { display: flex; }
    .menu-toggle { display: block; }
    .hero-stats { gap: 20px; }
    .stat-number { font-size: 28px; }
    .about-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .project-card:first-child { grid-column: span 2; }
    .calc-wrapper { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .contact-info { grid-template-columns: 1fr 1fr; }
    .process-steps { flex-direction: column; }
    .process-arrow { transform: rotate(90deg); }
    .timeline { flex-direction: column; gap: 30px; }
    .timeline::before { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 280px; justify-content: center; }
}

@media (max-width: 480px) {
    .products-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .project-card:first-child { grid-column: span 1; }
    .contact-info { grid-template-columns: 1fr; }
    .contact-social { grid-column: span 1; }
    .contact-form .form-row { grid-template-columns: 1fr; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.section { animation: fadeInUp 0.6s ease-out; }


/* ===== IMAGE STYLES ===== */
.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.about-img-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 100%;
    min-height: 320px;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.product-img {
    height: 160px;
    overflow: hidden;
    background: var(--gray-100);
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-img {
    width: 100%;
    height: 100%;
    position: relative;
}

/* ===== FOOTER LOGO ===== */
.footer-brand img {
    height: 50px;
    width: auto;
    object-fit: contain;
    margin-bottom: 16px;
}

/* ===== PROJECTS GRID 10 ITEMS ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.project-card:first-child {
    grid-column: span 2;
    grid-row: span 2;
}

.project-card:nth-child(2) {
    grid-column: span 2;
}

@media (max-width: 1024px) {
    .projects-grid { grid-template-columns: repeat(3, 1fr); }
    .project-card:first-child { grid-column: span 2; grid-row: span 2; }
    .project-card:nth-child(2) { grid-column: span 1; }
}

@media (max-width: 768px) {
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .project-card:first-child { grid-column: span 2; grid-row: span 1; }
    .project-card:nth-child(2) { grid-column: span 2; }
}

@media (max-width: 480px) {
    .projects-grid { grid-template-columns: 1fr; }
    .project-card:first-child { grid-column: span 1; }
    .project-card:nth-child(2) { grid-column: span 1; }
}