/* ─── Reset & Variables ─── */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --teal: #0D9488;
  --teal-dark: #115E59;
  --teal-light: #14B8A6;
  --navy: #1E293B;
  --text: #1E293B;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --bg: #FFFFFF;
  --bg-gray: #F8FAFC;
  --bg-dark: #0F172A;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.1);
  --radius: 12px;
  --radius-lg: 20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 900; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }
p { color: var(--text-muted); }
.lead { font-size: 1.125rem; line-height: 1.7; }

.eyebrow {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  color: var(--teal); text-transform: uppercase; letter-spacing: 2.5px; margin-bottom: 1rem;
}
.eyebrow.light { color: var(--teal-light); }
.accent { color: var(--teal); }

/* ─── Nav ─── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { height: 42px; width: auto; }
.logo-link { display: flex; align-items: center; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: var(--text); text-decoration: none; font-weight: 500; font-size: 0.9375rem; transition: color 0.2s; }
.nav-links a:hover { color: var(--teal); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.875rem 1.75rem; border-radius: var(--radius);
  font-weight: 600; font-size: 0.9375rem; text-decoration: none;
  border: none; cursor: pointer; transition: all 0.2s; font-family: inherit;
}
.btn-sm { padding: 0.625rem 1.25rem; font-size: 0.875rem; }
.btn-primary { background: var(--navy); color: white; }
.btn-primary:hover { background: #334155; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-accent { background: var(--teal); color: white; }
.btn-accent:hover { background: var(--teal-dark); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: white; border: 2px solid rgba(255,255,255,0.5); }
.btn-outline:hover { background: white; color: var(--navy); border-color: white; }
.btn-block { width: 100%; }

/* ─── Hero ─── */
.hero {
  position: relative; padding: 8rem 0 6rem; min-height: 600px;
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #115E59 100%);
  overflow: hidden; display: flex; align-items: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,0.92) 0%, rgba(17,94,89,0.85) 100%);
}
.hero-content { position: relative; z-index: 1; max-width: 700px; color: white; }
.hero-content h1 { color: white; margin-bottom: 1.5rem; }
.hero-content .lead { color: rgba(255,255,255,0.8); margin-bottom: 2.5rem; }
.hero-cta { display: flex; gap: 1rem; margin-bottom: 3rem; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 3rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.15); }
.stat-item { display: flex; flex-direction: column; }
.stat-number { font-size: 1.75rem; font-weight: 900; color: var(--teal-light); }
.stat-text { font-size: 0.8125rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 1px; }

/* ─── Sections ─── */
.section { padding: 6rem 0; }
.section-gray { background: var(--bg-gray); }
.section-dark { background: var(--bg-dark); color: white; }
.section-dark h2, .section-dark h3, .section-dark h4, .section-dark strong { color: white; }
.section-dark p, .section-dark .lead.light { color: rgba(255,255,255,0.7); }
.section-header { margin-bottom: 3rem; }
.section-header.center { text-align: center; max-width: 650px; margin-left: auto; margin-right: auto; }
.section-sub { font-size: 1.0625rem; margin-top: 1rem; color: var(--text-muted); }

/* ─── Split Grid ─── */
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }

/* ─── About ─── */
.about-image { display: flex; align-items: center; justify-content: center; }
.rounded-img { width: 100%; height: 400px; object-fit: cover; border-radius: var(--radius-lg); }

.feature-list { display: flex; flex-direction: column; gap: 1.25rem; margin-top: 2rem; }
.feature { display: flex; gap: 1rem; }
.feature-icon {
  width: 32px; height: 32px; min-width: 32px; border-radius: 50%;
  background: var(--teal); color: white; display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 0.875rem;
}
.feature p { font-size: 0.9375rem; margin-top: 0.25rem; }

/* ─── Services ─── */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.service-card {
  padding: 2rem; background: white; border: 1px solid var(--border);
  border-radius: var(--radius); transition: all 0.3s; text-align: center;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--teal); }
.service-img { width: 100%; height: 160px; object-fit: cover; border-radius: 8px; margin-bottom: 1.25rem; }
.service-card h3 { margin-bottom: 0.5rem; }
.service-card p { font-size: 0.9375rem; }

/* ─── Categories ─── */
.categories-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.cat-card {
  padding: 1.5rem; background: white; border: 1px solid var(--border);
  border-radius: var(--radius); text-align: center; transition: all 0.3s;
}
.cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--teal); }
.cat-img { width: 100%; height: 120px; object-fit: cover; border-radius: 8px; margin-bottom: 0.75rem; }
.cat-card h4 { font-size: 0.9375rem; color: var(--text); }

/* ─── Partners ─── */
.check-list { list-style: none; margin: 2rem 0; }
.check-list li { padding: 0.5rem 0 0.5rem 1.75rem; position: relative; color: rgba(255,255,255,0.85); }
.check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--teal-light); font-weight: 700; }

.partner-perks { margin-top: 1.5rem; }
.perk {
  padding: 1rem 0; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.perk strong { color: white; display: block; margin-bottom: 0.25rem; }
.perk span { color: rgba(255,255,255,0.6); font-size: 0.875rem; }

/* ─── Why Us ─── */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.why-card { padding: 2rem; background: white; border-radius: var(--radius); border: 1px solid var(--border); }
.why-number { font-size: 2.5rem; font-weight: 900; color: var(--teal); opacity: 0.3; margin-bottom: 0.5rem; }
.why-card h4 { margin-bottom: 0.5rem; }

/* ─── Contact ─── */
.contact-info { margin-top: 2rem; display: flex; flex-direction: column; gap: 1.5rem; }
.contact-row { display: flex; gap: 1rem; align-items: start; }
.contact-icon { font-size: 1.5rem; }
.contact-icon-text {
  width: 40px; height: 40px; min-width: 40px; border-radius: 50%;
  background: var(--teal); color: white; display: flex; align-items: center;
  justify-content: center; font-size: 0.625rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.contact-row strong { display: block; margin-bottom: 0.25rem; }
.contact-row a, .contact-row span { color: var(--text-muted); text-decoration: none; font-size: 0.9375rem; }
.contact-row a:hover { color: var(--teal); }

.contact-form {
  background: var(--bg-gray); padding: 2.5rem; border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-field { margin-bottom: 1.25rem; }
.form-field label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.5rem; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 0.75rem 1rem; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 0.9375rem; font-family: inherit;
  background: white; transition: border-color 0.2s, box-shadow 0.2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(13,148,136,0.1);
}
.form-field textarea { resize: vertical; min-height: 100px; }
.form-note { font-size: 0.875rem; margin-top: 1rem; text-align: center; color: var(--teal); }

/* ─── Footer ─── */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-logo { height: 42px; margin-bottom: 1rem; filter: brightness(0) invert(1); }
.footer-desc { color: rgba(255,255,255,0.5); font-size: 0.9375rem; max-width: 320px; }
.footer h4 { color: white; font-size: 0.875rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; }
.footer ul { list-style: none; }
.footer ul li { padding: 0.375rem 0; }
.footer ul a { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.9375rem; transition: color 0.2s; }
.footer ul a:hover { color: var(--teal-light); }
.footer-bottom { padding-top: 2rem; font-size: 0.875rem; color: rgba(255,255,255,0.4); text-align: center; }

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .split-grid, .services-grid, .why-grid { grid-template-columns: 1fr; gap: 2rem; }
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero { padding: 5rem 0 4rem; min-height: auto; }
  .hero-stats { gap: 2rem; }
}
@media (max-width: 600px) {
  .section { padding: 4rem 0; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 1.5rem; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .hero-stats { flex-direction: column; gap: 1rem; }
}