/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #334155;
    background: #f8fafc;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Typography ── */
h1, h2, h3 { font-family: 'Playfair Display', Georgia, serif; color: #0f172a; line-height: 1.2; }

/* ── Nav ── */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(15,23,42,0.06);
    transition: box-shadow 0.3s;
}
.nav.scrolled { box-shadow: 0 4px 24px rgba(15,23,42,0.08); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo {
    display: flex; align-items: center; gap: 10px;
    font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.15rem;
    color: #0f172a;
}
.nav-logo-icon { color: #0d9488; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
    font-size: 0.9rem; font-weight: 500; color: #475569;
    transition: color 0.2s;
}
.nav-links a:hover { color: #0d9488; }
.nav-cta {
    background: #0d9488; color: #fff !important;
    padding: 10px 22px; border-radius: 8px;
    transition: background 0.2s, transform 0.15s !important;
}
.nav-cta:hover { background: #0f766e; transform: translateY(-1px); }
.nav-toggle {
    display: none; background: none; border: none; cursor: pointer;
    width: 32px; height: 24px; position: relative;
}
.nav-toggle span {
    display: block; width: 100%; height: 2px; background: #0f172a;
    position: absolute; left: 0; border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 11px; }
.nav-toggle span:nth-child(3) { top: 22px; }
.nav-toggle.active span:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

/* ── Hero ── */
.hero {
    position: relative; min-height: 92vh; display: flex; align-items: center;
    background: linear-gradient(135deg, #042f2e 0%, #0d9488 40%, #164e63 70%, #0f172a 100%);
    overflow: hidden; padding: 120px 0 80px;
}
.hero::before {
    content: '';
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(13,148,136,0.3) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(22,78,99,0.4) 0%, transparent 60%);
}
.hero-grid-pattern {
    position: absolute; inset: 0; opacity: 0.04;
    background-image: linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
    background-size: 48px 48px;
}
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 820px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.85); font-size: 0.85rem; font-weight: 500;
    padding: 8px 18px; border-radius: 100px; margin-bottom: 28px;
    backdrop-filter: blur(4px);
}
.hero-badge svg { opacity: 0.8; }
.hero-headline {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    color: #fff; margin-bottom: 24px; font-weight: 700;
}
.hero-accent {
    display: block;
    background: linear-gradient(90deg, #5eead4, #2dd4bf);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: rgba(255,255,255,0.75); max-width: 600px; margin: 0 auto 40px;
    line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats {
    display: flex; justify-content: center; gap: 40px; flex-wrap: wrap;
    padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat { text-align: center; }
.hero-stat-num {
    display: block; font-family: 'Playfair Display', serif;
    font-size: 1.6rem; font-weight: 700; color: #fff;
}
.hero-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.55); text-transform: uppercase; letter-spacing: 0.06em; }
.hero-stat-divider { width: 1px; background: rgba(255,255,255,0.15); align-self: stretch; }
.hero-wave { position: absolute; bottom: -1px; left: 0; width: 100%; }
.hero-wave svg { display: block; width: 100%; height: 60px; }

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: 10px; font-size: 0.95rem;
    font-weight: 600; border: 2px solid transparent;
    transition: all 0.2s; cursor: pointer;
}
.btn-primary { background: #0d9488; color: #fff; border-color: #0d9488; }
.btn-primary:hover { background: #0f766e; border-color: #0f766e; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(13,148,136,0.3); }
.btn-outline { background: transparent; color: #0d9488; border-color: #0d9488; }
.btn-outline:hover { background: #0d9488; color: #fff; transform: translateY(-2px); }
.btn-white { background: #fff; color: #0d9488; border-color: #fff; }
.btn-white:hover { background: #f0fdfa; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.btn-ghost { background: transparent; color: rgba(255,255,255,0.8); border-color: rgba(255,255,255,0.3); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-full { width: 100%; justify-content: center; }

/* ── Section Shared ── */
.section-tag {
    display: inline-block; font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.1em; color: #0d9488;
    margin-bottom: 12px;
}
.section-tag.light { color: rgba(255,255,255,0.7); }
.section-title { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 16px; }
.section-title.light { color: #fff; }
.section-desc { font-size: 1.05rem; color: #64748b; max-width: 560px; }
.section-desc.light { color: rgba(255,255,255,0.65); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header .section-desc { margin: 0 auto; }

/* ── Services ── */
.services { padding: 100px 0; background: #f8fafc; }
.services-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.service-card {
    background: #fff; border-radius: 16px; padding: 36px 28px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 48px rgba(15,23,42,0.08);
    border-color: #0d9488;
}
.service-icon {
    width: 56px; height: 56px; border-radius: 12px;
    background: linear-gradient(135deg, #f0fdfa, #ccfbf1);
    display: flex; align-items: center; justify-content: center;
    color: #0d9488; margin-bottom: 20px;
}
.service-card h3 { font-size: 1.2rem; margin-bottom: 10px; font-family: 'Inter', sans-serif; font-weight: 600; }
.service-card p { font-size: 0.92rem; color: #64748b; line-height: 1.7; }

/* ── About ── */
.about { padding: 100px 0; background: #fff; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-images { position: relative; }
.about-img-main {
    border-radius: 20px; overflow: hidden;
    box-shadow: 0 24px 48px rgba(15,23,42,0.12);
}
.about-img-main img { width: 100%; height: 420px; object-fit: cover; }
.about-img-secondary {
    position: absolute; bottom: -32px; right: -24px;
    border-radius: 16px; overflow: hidden;
    box-shadow: 0 16px 40px rgba(15,23,42,0.15);
    border: 4px solid #fff;
}
.about-img-secondary img { width: 100%; height: 200px; object-fit: cover; }
.about-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: #0d9488; color: #fff;
    padding: 12px 20px; border-radius: 10px;
    font-size: 0.85rem; font-weight: 600;
    margin-top: 20px;
}
.about-content .section-title { margin-top: 4px; }
.about-text { color: #475569; margin-bottom: 16px; font-size: 1rem; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 28px 0 32px; }
.about-feature {
    display: flex; align-items: center; gap: 10px;
    font-size: 0.9rem; font-weight: 500; color: #334155;
}
.about-feature svg { color: #0d9488; flex-shrink: 0; }

/* ── Why Us ── */
.why-us {
    padding: 100px 0;
    background: linear-gradient(135deg, #042f2e 0%, #0d9488 50%, #164e63 100%);
    position: relative;
}
.why-us::before {
    content: ''; position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 64px 64px;
}
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; z-index: 1; }
.why-card {
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px; padding: 40px 32px;
    backdrop-filter: blur(8px);
    transition: all 0.3s;
}
.why-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.why-num {
    font-family: 'Playfair Display', serif; font-size: 2.4rem;
    font-weight: 700; color: rgba(255,255,255,0.15); margin-bottom: 16px;
}
.why-card h3 { font-size: 1.2rem; color: #fff; margin-bottom: 12px; font-family: 'Inter', sans-serif; font-weight: 600; }
.why-card p { font-size: 0.92rem; color: rgba(255,255,255,0.65); line-height: 1.7; }

/* ── CTA Banner ── */
.cta-banner {
    padding: 80px 0; position: relative; overflow: hidden;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}
.cta-content { position: relative; z-index: 1; text-align: center; max-width: 640px; margin: 0 auto; }
.cta-content h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); color: #fff; margin-bottom: 16px; }
.cta-content p { color: rgba(255,255,255,0.6); margin-bottom: 32px; font-size: 1.05rem; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Contact ── */
.contact { padding: 100px 0; background: #f8fafc; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-desc { color: #64748b; margin-bottom: 32px; font-size: 1.05rem; }
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-detail {
    display: flex; align-items: flex-start; gap: 16px;
}
.contact-icon {
    width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0;
    background: linear-gradient(135deg, #f0fdfa, #ccfbf1);
    display: flex; align-items: center; justify-content: center;
    color: #0d9488;
}
.contact-detail strong { display: block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: #94a3b8; margin-bottom: 4px; }
.contact-detail a, .contact-detail span { font-size: 1rem; color: #334155; }
.contact-detail a:hover { color: #0d9488; }

/* ── Form ── */
.contact-form-wrap {
    background: #fff; border-radius: 20px; padding: 40px;
    box-shadow: 0 16px 48px rgba(15,23,42,0.08);
    border: 1px solid #e2e8f0;
}
.contact-form h3 { font-size: 1.4rem; margin-bottom: 8px; }
.form-note { font-size: 0.88rem; color: #94a3b8; margin-bottom: 28px; }
.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: 500;
    color: #475569; margin-bottom: 6px;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px; border: 1.5px solid #e2e8f0;
    border-radius: 10px; font-size: 0.95rem; font-family: inherit;
    color: #334155; background: #f8fafc;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: #0d9488; box-shadow: 0 0 0 3px rgba(13,148,136,0.1);
    background: #fff;
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-success {
    display: none; align-items: center; gap: 12px;
    padding: 16px 20px; border-radius: 10px;
    background: #f0fdfa; border: 1px solid #99f6e4;
    color: #0d9488; font-weight: 500; margin-top: 16px;
}
.form-success.show { display: flex; }

/* ── Footer ── */
.footer { background: #0f172a; color: rgba(255,255,255,0.6); padding: 64px 0 0; }
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px;
    padding-bottom: 48px;
}
.footer-logo {
    display: flex; align-items: center; gap: 10px;
    font-family: 'Playfair Display', serif; font-weight: 700;
    font-size: 1.1rem; color: #fff; margin-bottom: 16px;
}
.footer-logo svg { color: #0d9488; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; }
.footer-links strong, .footer-contact strong {
    display: block; color: #fff; font-size: 0.85rem;
    text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.9rem; transition: color 0.2s; }
.footer-links a:hover { color: #2dd4bf; }
.footer-contact p { font-size: 0.9rem; line-height: 1.8; }
.footer-contact a { color: #2dd4bf; transition: color 0.2s; }
.footer-contact a:hover { color: #5eead4; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 24px 0; text-align: center;
}
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.35); }

/* ── Responsive ── */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid .why-card:last-child { grid-column: span 2; max-width: 50%; margin: 0 auto; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .nav-links { 
        position: fixed; top: 72px; left: 0; right: 0;
        background: rgba(255,255,255,0.98); backdrop-filter: blur(12px);
        flex-direction: column; padding: 32px 24px; gap: 20px;
        border-bottom: 1px solid #e2e8f0;
        transform: translateY(-120%); transition: transform 0.3s;
        box-shadow: 0 16px 32px rgba(0,0,0,0.08);
    }
    .nav-links.open { transform: translateY(0); }
    .nav-toggle { display: block; }
    .hero { min-height: 85vh; padding: 100px 0 60px; }
    .hero-stats { gap: 24px; }
    .hero-stat-divider { display: none; }
    .services-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; gap: 48px; }
    .about-img-secondary { right: 0; }
    .why-grid { grid-template-columns: 1fr; }
    .why-grid .why-card:last-child { grid-column: auto; max-width: 100%; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-form-wrap { padding: 28px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 480px) {
    .hero-actions { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
    .cta-actions { flex-direction: column; align-items: center; }
    .about-features { grid-template-columns: 1fr; }
}