:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;

    --font-sans: 'DM Sans', sans-serif;
    --font-serif: 'Playfair Display', serif;
    
    --radius: 12px;
    --shadow: 0 10px 40px -10px rgba(0,0,0,0.08);
}

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

body {
    font-family: var(--font-sans);
    color: var(--slate-800);
    background-color: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: 0.2s; }
ul { list-style: none; }

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

/* Typography */
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 600; line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); color: #fff; margin-bottom: 24px; }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); color: var(--slate-900); margin-bottom: 16px; }
h3 { font-size: 1.5rem; margin-bottom: 12px; }
p { color: var(--slate-600); }
.lead { font-size: 1.125rem; color: var(--slate-700); margin-bottom: 24px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}
.btn-primary {
    background-color: var(--teal-600);
    color: #fff;
}
.btn-primary:hover { background-color: var(--teal-700); transform: translateY(-2px); }
.btn-secondary {
    background-color: rgba(255,255,255,0.2);
    backdrop-filter: blur(4px);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.4);
}
.btn-secondary:hover { background-color: #fff; color: var(--teal-700); }
.btn-full { width: 100%; justify-content: center; }

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--slate-100);
    padding: 16px 0;
    transition: box-shadow 0.3s;
}
header.scrolled { box-shadow: var(--shadow); }

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--teal-700);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-links a {
    font-weight: 500;
    color: var(--slate-700);
    font-size: 0.95rem;
}
.nav-links a:hover { color: var(--teal-600); }

.mobile-menu-btn { display: none; background: none; border: none; cursor: pointer; color: var(--slate-800); }

/* Hero */
.hero {
    position: relative;
    height: 90vh;
    min-height: 600px;
    background-image: url('https://images.pexels.com/photos/6050250/pexels-photo-6050250.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    margin-top: 0;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(13, 148, 136, 0.6) 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
}
.badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    color: #fff;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid rgba(255,255,255,0.2);
}
.hero-sub { font-size: 1.25rem; color: rgba(255,255,255,0.9); margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Sections */
.section { padding: 100px 0; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-header h2 { margin-bottom: 16px; }

/* Services */
.services { background-color: var(--slate-50); }
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}
.service-card {
    background: #fff;
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s;
    border: 1px solid var(--slate-100);
}
.service-card:hover { transform: translateY(-8px); }
.icon-box {
    width: 64px;
    height: 64px;
    background: var(--teal-50);
    color: var(--teal-600);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.service-card h3 { color: var(--slate-800); }
.service-card p { font-size: 0.95rem; line-height: 1.7; }

/* Process */
.process-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.process-image img { border-radius: var(--radius); box-shadow: var(--shadow); }
.step { display: flex; gap: 24px; margin-bottom: 32px; }
.step:last-child { margin-bottom: 0; }
.step-num {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--teal-200);
    line-height: 1;
}
.step h4 { font-size: 1.25rem; margin-bottom: 8px; color: var(--slate-800); }
.step p { font-size: 0.95rem; }

/* About */
.about { background-color: #fff; }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image img { border-radius: var(--radius); box-shadow: var(--shadow); }
.check-list { margin-top: 32px; display: grid; gap: 16px; }
.check-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--slate-700);
}
.check-list li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--teal-500);
    border-radius: 50%;
    flex-shrink: 0;
}

/* FAQ */
.faq { background-color: var(--slate-50); }
.faq-grid { max-width: 800px; margin: 0 auto; }
.faq-item {
    background: #fff;
    border-radius: var(--radius);
    margin-bottom: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    border: 1px solid var(--slate-100);
}
.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--slate-800);
    padding: 0;
}
.faq-question svg { transition: transform 0.3s; color: var(--teal-600); }
.faq-item.active .faq-question svg { transform: rotate(180deg); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.faq-item.active .faq-answer { max-height: 200px; padding-top: 16px; }
.faq-answer p { font-size: 0.95rem; line-height: 1.7; }

/* Contact */
.contact { background: linear-gradient(to bottom, #fff, var(--teal-50)); }
.contact-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    background: #fff;
    padding: 60px;
    border-radius: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--slate-100);
}
.contact-info h2 { margin-bottom: 16px; }
.contact-details { margin-top: 40px; display: flex; flex-direction: column; gap: 32px; }
.detail { display: flex; gap: 20px; }
.detail svg { color: var(--teal-600); flex-shrink: 0; }
.detail strong { display: block; color: var(--slate-900); margin-bottom: 4px; }
.detail p, .detail a { color: var(--slate-600); font-size: 0.95rem; }
.detail a:hover { color: var(--teal-600); text-decoration: underline; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 500; margin-bottom: 8px; color: var(--slate-700); }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--slate-200);
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--teal-500);
    box-shadow: 0 0 0 3px var(--teal-100);
}
.form-status { margin-top: 16px; font-weight: 500; text-align: center; }
.form-status.success { color: var(--teal-700); }
.form-status.error { color: #ef4444; }

/* Footer */
footer { background: var(--slate-900); color: #fff; padding: 60px 0 30px; }
.footer-content { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 24px; }
.footer-brand .logo-text { font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700; color: #fff; }
.footer-brand p { color: var(--slate-400); margin-top: 8px; }
.footer-links { display: flex; gap: 32px; }
.footer-links a { color: var(--slate-300); font-size: 0.95rem; }
.footer-links a:hover { color: #fff; }
.footer-copy { color: var(--slate-500); font-size: 0.85rem; margin-top: 24px; }

/* Responsive */
@media (max-width: 900px) {
    .process-grid, .about-layout, .contact-box { grid-template-columns: 1fr; gap: 40px; }
    .process-image, .about-image { order: -1; }
    .contact-box { padding: 32px; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 32px;
        gap: 24px;
        box-shadow: var(--shadow);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
    }
    .nav-links.active { transform: translateY(0); }
    .mobile-menu-btn { display: block; }
    .hero-actions { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
}