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

:root {
    --primary: #1b6b3a;
    --primary-dark: #145530;
    --primary-light: #28a05a;
    --accent: #f59e0b;
    --dark: #111111;
    --gray-900: #1a1a1a;
    --gray-800: #2d2d2d;
    --gray-700: #404040;
    --gray-600: #525252;
    --gray-500: #6b6b6b;
    --gray-400: #8f8f8f;
    --gray-300: #d4d4d4;
    --gray-200: #e8e8e8;
    --gray-100: #f5f5f5;
    --gray-50: #fafafa;
    --white: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-700);
    line-height: 1.6;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: -0.01em;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(27, 107, 58, 0.3);
}

.btn-white {
    background: var(--white);
    color: var(--dark);
}

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-1px);
}

.btn-lg { padding: 16px 32px; font-size: 0.95rem; }
.btn-full { width: 100%; }

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    padding: 0;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: -0.03em;
}

.logo span { color: var(--primary); }

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

.nav-links a {
    font-weight: 500;
    color: var(--gray-600);
    font-size: 0.9rem;
}

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    width: 22px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?w=1600&q=80') center/cover no-repeat;
    margin-top: 72px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 640px;
    padding: 80px 0;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50px;
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.7;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ===== STATS ===== */
.stats {
    padding: 0;
    margin-top: -40px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.stat-item {
    padding: 36px 24px;
    text-align: center;
    border-right: 1px solid var(--gray-200);
}

.stat-item:last-child { border-right: none; }

.stat-item strong {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.03em;
    margin-bottom: 4px;
}

.stat-item span {
    font-size: 0.85rem;
    color: var(--gray-500);
    font-weight: 500;
}

/* ===== SECTIONS ===== */
.section { padding: 100px 0; }

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.section-header h2,
.about-text h2,
.features-text h2,
.contact-info h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ===== ABOUT ===== */
.about { background: var(--gray-50); }

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image img {
    border-radius: var(--radius-lg);
    width: 100%;
    height: 450px;
    object-fit: cover;
}

.about-text p { color: var(--gray-600); margin-bottom: 24px; line-height: 1.7; }

.about-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--gray-700);
}

.about-list li svg { color: var(--primary); flex-shrink: 0; }

/* ===== SERVICES ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: transparent;
}

.service-img {
    height: 200px;
    overflow: hidden;
}

.service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-img img {
    transform: scale(1.05);
}

.service-body {
    padding: 28px;
}

.service-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.service-body > p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.service-body ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.service-body ul li {
    font-size: 0.88rem;
    color: var(--gray-600);
    padding-left: 16px;
    position: relative;
}

.service-body ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

/* ===== FEATURES ===== */
.features { background: var(--gray-50); }

.features-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.features-text .section-desc { margin-bottom: 40px; }

.features-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(27, 107, 58, 0.08);
    border-radius: 10px;
    flex-shrink: 0;
    color: var(--primary);
}

.feature-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

.features-image img {
    border-radius: var(--radius-lg);
    width: 100%;
    height: 500px;
    object-fit: cover;
}

/* ===== CTA ===== */
.cta {
    position: relative;
    padding: 100px 0;
    background: url('https://images.unsplash.com/photo-1578575437130-527eed3abbec?w=1600&q=80') center/cover no-repeat;
}

.cta-overlay {
    position: absolute;
    inset: 0;
    background: rgba(27, 107, 58, 0.9);
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-content p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
}

/* ===== CONTACT ===== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: 36px;
    line-height: 1.7;
}

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

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-item svg {
    color: var(--primary);
    margin-top: 2px;
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 2px;
    font-size: 0.9rem;
}

.contact-item p { color: var(--gray-600); font-size: 0.9rem; }

.contact-form {
    background: var(--gray-50);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
    color: var(--dark);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(27, 107, 58, 0.08);
}

.form-group textarea { resize: vertical; min-height: 120px; }

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: var(--gray-400);
    padding: 80px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
    display: inline-block;
}

.footer-brand p { color: var(--gray-400); line-height: 1.7; font-size: 0.9rem; }

.footer-links h4 {
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.footer-links ul { display: flex; flex-direction: column; gap: 12px; }

.footer-links a {
    color: var(--gray-400);
    font-size: 0.88rem;
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .about-layout,
    .features-layout { grid-template-columns: 1fr; gap: 48px; }
    .features-image { order: -1; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .contact-wrapper { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links, .header .btn { display: none; }
    .mobile-toggle { display: flex; }
    .hero { min-height: 80vh; }
    .hero h1 { font-size: 2rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-item { border-bottom: 1px solid var(--gray-200); }
    .stat-item:nth-child(odd) { border-right: 1px solid var(--gray-200); }
    .stat-item:nth-child(even) { border-right: none; }
    .stat-item:nth-child(n+3) { border-bottom: none; }
    .section { padding: 64px 0; }
    .footer-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form { padding: 24px; }
    .cta-content h2 { font-size: 1.6rem; }
}

@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .stats-grid { grid-template-columns: 1fr; }
    .stat-item { border-right: none !important; border-bottom: 1px solid var(--gray-200); }
    .stat-item:last-child { border-bottom: none; }
}