*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
:root { --primary: #0891b2; --primary-dark: #0e7490; --primary-light: #cffafe; --primary-glow: rgba(8, 145, 178, 0.15); --gray-50: #f8fafc; --gray-100: #f1f5f9; --gray-200: #e2e8f0; --gray-300: #cbd5e1; --gray-400: #94a3b8; --gray-500: #64748b; --gray-600: #475569; --gray-700: #334155; --gray-800: #1e293b; --gray-900: #0f172a; --max-w: 72rem; }
body { font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; color: var(--gray-800); background: var(--gray-50); line-height: 1.7; }
a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { line-height: 1.2; color: var(--gray-900); }
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); margin-bottom: .75rem; }
h3 { font-size: 1.25rem; margin-bottom: .5rem; }
p { margin-bottom: 1rem; color: var(--gray-600); }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
section { padding: 4rem 0; }

/* Navigation */
nav { background: rgba(255,255,255,.92); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--gray-200); position: sticky; top: 0; z-index: 100; }
nav .container { display: flex; align-items: center; justify-content: space-between; height: 4rem; }
.nav-brand { font-weight: 700; font-size: 1.125rem; color: var(--primary); display: flex; align-items: center; gap: .5rem; }
.nav-brand:hover { color: var(--primary-dark); }
.nav-links { display: flex; gap: .25rem; list-style: none; }
.nav-links a { padding: .5rem 1rem; border-radius: .5rem; font-size: .875rem; font-weight: 500; color: var(--gray-600); transition: all .2s; }
.nav-links a:hover, .nav-links a.active { background: var(--primary-light); color: var(--primary); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: .5rem; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--gray-700); border-radius: 2px; transition: all .3s; }
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Hero */
.hero { padding: 6rem 0 4rem; background: linear-gradient(135deg, #0f172a 0%, #0e7490 50%, #0891b2 100%); color: #fff; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at top right, rgba(8,145,178,.3), transparent 60%); pointer-events: none; }
.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero p { color: rgba(255,255,255,.85); font-size: 1.125rem; max-width: 36rem; margin: 0 auto 1.5rem; }
.hero-badge { display: inline-block; background: rgba(255,255,255,.12); backdrop-filter: blur(4px); padding: .35rem 1rem; border-radius: 999px; font-size: .875rem; color: var(--primary-light); margin-bottom: 1.5rem; border: 1px solid rgba(255,255,255,.15); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .75rem 1.75rem; border-radius: .5rem; font-weight: 600; font-size: .9375rem; border: none; cursor: pointer; transition: all .2s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px var(--primary-glow); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: var(--gray-100); transform: translateY(-1px); }
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Section headers */
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header p { max-width: 36rem; margin: 0 auto; }

/* Cards grid */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }

/* Card */
.card { background: #fff; border-radius: 1rem; padding: 2rem; border: 1px solid var(--gray-200); transition: all .3s; }
.card:hover { border-color: var(--primary); box-shadow: 0 8px 24px var(--primary-glow); transform: translateY(-2px); }
.card-icon { width: 48px; height: 48px; border-radius: .75rem; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 1rem; }
.card h3 { margin-bottom: .5rem; }
.card p { font-size: .9375rem; margin-bottom: 0; }

/* FAQ */
.faq-list { max-width: 48rem; margin: 0 auto; display: flex; flex-direction: column; gap: .75rem; }
.faq-item { background: #fff; border-radius: .75rem; border: 1px solid var(--gray-200); overflow: hidden; transition: border-color .2s; }
.faq-item.open { border-color: var(--primary); }
.faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 1.25rem 1.5rem; background: none; border: none; font-size: 1rem; font-weight: 600; color: var(--gray-800); cursor: pointer; text-align: left; transition: color .2s; }
.faq-question:hover { color: var(--primary); }
.faq-icon { font-size: 1.25rem; transition: transform .3s; color: var(--gray-400); }
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .35s ease; padding: 0 1.5rem; }
.faq-item.open .faq-answer { max-height: 300px; padding: 0 1.5rem 1.25rem; }
.faq-answer p { font-size: .9375rem; margin-bottom: 0; }

/* Contact page */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contact-profiles { display: flex; flex-direction: column; gap: .75rem; }
.contact-profile { display: flex; align-items: center; gap: .75rem; padding: 1rem 1.25rem; background: #fff; border-radius: .75rem; border: 1px solid var(--gray-200); transition: all .2s; }
.contact-profile:hover { border-color: var(--primary); box-shadow: 0 4px 12px var(--primary-glow); }
.contact-profile-icon { width: 40px; height: 40px; border-radius: .5rem; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 1.125rem; flex-shrink: 0; }
.contact-profile-info { flex: 1; }
.contact-profile-info strong { display: block; font-size: .875rem; color: var(--gray-900); }
.contact-profile-info span { font-size: .8125rem; color: var(--gray-500); }

/* Form */
.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; font-weight: 600; font-size: .875rem; color: var(--gray-700); margin-bottom: .35rem; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: .75rem 1rem; border: 1px solid var(--gray-300); border-radius: .5rem; font-size: 1rem; font-family: inherit; transition: border-color .2s, box-shadow .2s; background: #fff; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.form-group textarea { min-height: 140px; resize: vertical; }

/* Footer */
footer { background: var(--gray-900); color: rgba(255,255,255,.7); padding: 3rem 0 1.5rem; }
footer .container { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
footer h4 { color: #fff; margin-bottom: 1rem; font-size: .9375rem; }
footer p, footer a { font-size: .875rem; }
footer a { color: rgba(255,255,255,.7); }
footer a:hover { color: var(--primary-light); }
footer .profiles { display: flex; flex-direction: column; gap: .5rem; }
.footer-bottom { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.5rem; margin-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .5rem; font-size: .8125rem; color: rgba(255,255,255,.5); }

/* About page specifics */
.about-content { max-width: 48rem; }
.about-highlights { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; margin: 2rem 0; }
.highlight { text-align: center; padding: 2rem; background: #fff; border-radius: 1rem; border: 1px solid var(--gray-200); }
.highlight-number { font-size: 2.5rem; font-weight: 700; color: var(--primary); display: block; }
.highlight-label { font-size: .875rem; color: var(--gray-500); }

/* Scroll animations */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 4rem; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--gray-200); padding: .5rem; box-shadow: 0 8px 24px rgba(0,0,0,.08); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .contact-grid { grid-template-columns: 1fr; }
  footer .container { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero { padding: 4rem 0 3rem; }
  section { padding: 3rem 0; }
}

@media (max-width: 480px) {
  .grid-3 { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
}