/* ETOAEOZ - Healthcare AI Solutions | styles.css */

:root {
    --navy: #122C49;
    --navy-light: #1a3a5c;
    --gold: #F59E0B;
    --purple: #6B5CE7;
    --white: #FFFFFF;
    --off-white: #FAFBFD;
    --gray-100: #F5F5F5;
    --gray-200: #E5E5E5;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Sora', sans-serif;
    --transition: all 0.3s ease;
    --transition-slow: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-primary); color: var(--navy); background: var(--white); line-height: 1.6; overflow-x: hidden; }
::selection { background: rgba(107, 92, 231, 0.2); color: var(--navy); }
img { max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
address { font-style: normal; }

.skip-link { position: absolute; top: -40px; left: 0; background: var(--navy); color: var(--white); padding: 8px 16px; z-index: 9999; transition: top 0.3s; }
.skip-link:focus { top: 0; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 5; }

/* Animations */
@keyframes fadeUp { from { opacity: 0; transform: translateY(50px); } to { opacity: 1; transform: translateY(0); } }
@keyframes particleFloat { 0%, 100% { transform: translateY(0) translateX(0); opacity: 0.3; } 25% { transform: translateY(-20px) translateX(8px); opacity: 0.6; } 50% { transform: translateY(-10px) translateX(-5px); opacity: 0.4; } 75% { transform: translateY(-25px) translateX(3px); opacity: 0.5; } }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 0.8; } 50% { transform: scale(1.15); opacity: 1; } }
@keyframes ripple { 0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.6; } 100% { transform: translate(-50%, -50%) scale(2.5); opacity: 0; } }
@keyframes shimmer { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

.fade-up { animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
.fade-up-1 { animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards; opacity: 0; }
.fade-up-2 { animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards; opacity: 0; }
.fade-up-3 { animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards; opacity: 0; }

/* Navigation */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 16px 60px; display: flex; justify-content: space-between; align-items: center; background: transparent; transition: var(--transition); }
.navbar.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(0, 0, 0, 0.06); }
.logo img { height: 36px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 40px; }
.nav-link { color: var(--gray-500); font-size: 14px; font-weight: 500; transition: color 0.2s ease; }
.nav-link:hover { color: var(--navy); }

.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
.mobile-menu-btn span { width: 24px; height: 2px; background: var(--navy); transition: var(--transition); }
.mobile-menu { display: none; position: fixed; top: 70px; left: 0; right: 0; background: var(--white); padding: 24px; flex-direction: column; gap: 16px; border-bottom: 1px solid var(--gray-200); z-index: 999; }
.mobile-menu.active { display: flex; }
.mobile-nav-link { font-size: 16px; font-weight: 500; color: var(--navy); padding: 8px 0; }

/* Buttons */
.btn-primary { display: inline-block; background: var(--navy); color: var(--white); border: none; padding: 18px 36px; font-size: 15px; font-weight: 600; font-family: var(--font-primary); border-radius: 12px; cursor: pointer; transition: var(--transition); box-shadow: 0 4px 14px rgba(18, 44, 73, 0.25); }
.btn-primary:hover { background: var(--navy-light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(18, 44, 73, 0.35); }
.btn-nav { padding: 12px 24px; }
.btn-secondary { display: inline-block; background: var(--white); color: var(--navy); border: 2px solid var(--gray-200); padding: 16px 34px; font-size: 15px; font-weight: 600; font-family: var(--font-primary); border-radius: 12px; cursor: pointer; transition: var(--transition); }
.btn-secondary:hover { border-color: var(--navy); background: var(--gray-100); }
.btn-white { display: inline-block; background: var(--white); color: var(--navy); border: none; padding: 18px 40px; font-size: 15px; font-weight: 600; font-family: var(--font-primary); border-radius: 12px; cursor: pointer; transition: var(--transition); box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25); }
.btn-full { width: 100%; }

/* Floating Dots */
.floating-dots { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.floating-dot { position: absolute; border-radius: 50%; animation: particleFloat 8s ease-in-out infinite; box-shadow: 0 0 8px currentColor; }

/* Hero */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; padding: 120px 60px; background: radial-gradient(ellipse 80% 50% at 50% 30%, rgba(107,92,231,0.06) 0%, transparent 50%), radial-gradient(ellipse 60% 40% at 80% 60%, rgba(245,158,11,0.04) 0%, transparent 50%), linear-gradient(180deg, var(--white) 0%, var(--off-white) 100%); }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(107,92,231,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(107,92,231,0.03) 1px, transparent 1px); background-size: 60px 60px; mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%); transition: transform 0.2s ease-out; }
.hero-container { max-width: 1300px; margin: 0 auto; width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 2; }
.hero-content { max-width: 540px; }
.hero-badge { display: inline-flex; align-items: center; gap: 10px; padding: 10px 20px; background: rgba(107, 92, 231, 0.06); border-radius: 100px; margin-bottom: 28px; border: 1px solid rgba(107, 92, 231, 0.1); }
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg, var(--gold), var(--purple)); animation: pulse 2s ease-in-out infinite; }
.hero-badge span { font-size: 14px; font-weight: 500; color: var(--navy); }
.hero-title { font-family: var(--font-heading); font-size: clamp(42px, 5vw, 68px); font-weight: 700; line-height: 1.08; margin-bottom: 24px; letter-spacing: -2px; }
.gradient-text { background: linear-gradient(135deg, var(--gold) 0%, var(--purple) 50%, var(--gold) 100%); background-size: 200% auto; -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; animation: shimmer 6s ease infinite; }
.hero-subtitle { font-size: 17px; color: var(--gray-500); line-height: 1.75; margin-bottom: 36px; }
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual { display: flex; justify-content: center; align-items: center; }
.network-container { width: 500px; height: 500px; position: relative; }
.network-svg { width: 100%; height: 100%; transition: transform 0.15s ease-out; }
.ripple { position: absolute; width: 100px; height: 100px; border-radius: 50%; animation: ripple 4s ease-out infinite; }
.ripple-gold { left: 20%; top: 50%; border: 1px solid rgba(245, 158, 11, 0.25); }
.ripple-purple { right: 20%; top: 50%; border: 1px solid rgba(107, 92, 231, 0.25); animation-delay: 2s; }

/* Sections */
.section-label { font-size: 12px; font-weight: 600; color: var(--purple); text-transform: uppercase; letter-spacing: 2px; display: inline-block; padding: 8px 16px; background: rgba(107, 92, 231, 0.08); border-radius: 6px; margin-bottom: 20px; }
.section-title { font-family: var(--font-heading); font-size: 42px; font-weight: 700; line-height: 1.15; letter-spacing: -1.5px; color: var(--navy); margin-bottom: 24px; }
.section-title.center { text-align: center; }
.text-gray { color: var(--gray-500); }
.section-subtitle { font-size: 17px; color: var(--gray-500); max-width: 500px; margin: 0 auto; line-height: 1.7; text-align: center; }
.section-header { text-align: center; margin-bottom: 70px; }

/* About */
.about { padding: 140px 60px; background: var(--off-white); position: relative; }
.about-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 80px; align-items: center; }
.about-text { font-size: 16px; color: var(--gray-500); line-height: 1.8; margin-bottom: 16px; }
.values-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.value-card { background: var(--white); border-radius: 16px; padding: 32px; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04); transition: var(--transition); }
.value-card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08); }
.value-bar { width: 40px; height: 5px; border-radius: 3px; margin-bottom: 20px; }
.value-bar.gold { background: var(--gold); }
.value-bar.purple { background: var(--purple); }
.value-title { font-family: var(--font-heading); font-size: 17px; font-weight: 700; margin-bottom: 10px; color: var(--navy); }
.value-text { font-size: 14px; color: var(--gray-500); line-height: 1.7; }

/* Services */
.services { padding: 140px 60px; background: var(--white); position: relative; }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 20px; }
.service-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: 20px; padding: 40px; transition: var(--transition-slow); position: relative; overflow: hidden; }
.service-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--gold), var(--purple)); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease; }
.service-card:hover { transform: translateY(-8px); box-shadow: 0 20px 40px rgba(18, 44, 73, 0.1); border-color: transparent; }
.service-card:hover::after { transform: scaleX(1); }
.service-card-full { grid-column: span 2; }
.service-bar { width: 48px; height: 5px; border-radius: 3px; margin-bottom: 24px; }
.service-bar.gold { background: var(--gold); }
.service-bar.purple { background: var(--purple); }
.service-bar.gradient { background: linear-gradient(90deg, var(--gold), var(--purple)); }
.service-title { font-family: var(--font-heading); font-size: 22px; font-weight: 700; margin-bottom: 8px; color: var(--navy); }
.service-subtitle { font-size: 14px; color: var(--gray-500); margin-bottom: 16px; font-weight: 500; }
.service-desc { font-size: 15px; color: var(--gray-500); line-height: 1.75; margin-bottom: 24px; }
.service-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-size: 13px; font-weight: 500; color: var(--gray-600); background: var(--gray-100); padding: 8px 16px; border-radius: 8px; border: 1px solid var(--gray-200); transition: var(--transition); }
.tag:hover { background: var(--gray-200); }

/* CTA */
.cta { padding: 120px 60px; background: var(--navy); position: relative; overflow: hidden; }
.cta-grid { 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: 50px 50px; }
.cta-orb { position: absolute; border-radius: 50%; filter: blur(60px); }
.cta-orb-purple { top: -20%; right: -10%; width: 500px; height: 500px; background: radial-gradient(circle, rgba(107, 92, 231, 0.2) 0%, transparent 60%); }
.cta-orb-gold { bottom: -20%; left: -10%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 60%); }
.cta-content { max-width: 700px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }
.cta-title { font-family: var(--font-heading); font-size: 40px; font-weight: 700; color: var(--white); margin-bottom: 20px; letter-spacing: -1px; }
.cta-subtitle { font-size: 17px; color: rgba(255, 255, 255, 0.6); margin-bottom: 36px; line-height: 1.7; }

/* Contact */
.contact { padding: 140px 60px; background: var(--off-white); position: relative; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 80px; }
.contact-text { font-size: 16px; color: var(--gray-500); line-height: 1.8; margin-bottom: 40px; }
.contact-details { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; flex-direction: column; gap: 4px; }
.contact-label { font-size: 13px; color: var(--gray-400); }
.contact-value { font-size: 17px; font-weight: 600; color: var(--navy); }
a.contact-value:hover { color: var(--purple); }
.contact-form-container { background: var(--white); border-radius: 20px; padding: 44px; box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04); border: 1px solid var(--gray-200); }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label { font-size: 14px; font-weight: 500; color: var(--gray-600); }
.form-input { width: 100%; padding: 16px 20px; background: var(--off-white); border: 1px solid var(--gray-200); border-radius: 10px; font-size: 15px; font-family: var(--font-primary); color: var(--navy); transition: var(--transition); }
.form-input:focus { outline: none; border-color: var(--navy); background: var(--white); box-shadow: 0 0 0 3px rgba(18, 44, 73, 0.1); }
.form-input::placeholder { color: var(--gray-400); }
.form-textarea { resize: none; min-height: 120px; }

/* Footer */
.footer { padding: 50px 60px; background: var(--white); border-top: 1px solid var(--gray-200); }
.footer-content { display: flex; justify-content: space-between; align-items: center; }
.footer-left { display: flex; align-items: center; gap: 48px; }
.footer-logo { height: 30px; width: auto; }
.footer-nav { display: flex; gap: 32px; }
.footer-link { font-size: 14px; color: var(--gray-500); transition: color 0.2s ease; }
.footer-link:hover { color: var(--navy); }
.footer-copyright { font-size: 14px; color: var(--gray-400); }

/* Responsive */
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-content { max-width: 600px; margin: 0 auto; }
    .hero-buttons { justify-content: center; }
    .hero-visual { display: none; }
    .about-grid { grid-template-columns: 1fr; gap: 60px; }
    .contact-grid { grid-template-columns: 1fr; gap: 60px; }
}

@media (max-width: 768px) {
    .navbar { padding: 16px 24px; }
    .nav-links { display: none; }
    .mobile-menu-btn { display: flex; }
    .hero { padding: 100px 24px; }
    .hero-title { font-size: 36px; letter-spacing: -1px; }
    .section-title { font-size: 32px; }
    .about, .services, .contact, .cta { padding: 80px 24px; }
    .services-grid { grid-template-columns: 1fr; }
    .service-card-full { grid-column: span 1; }
    .values-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer { padding: 40px 24px; }
    .footer-content { flex-direction: column; gap: 24px; text-align: center; }
    .footer-left { flex-direction: column; gap: 24px; }
    .cta-title { font-size: 32px; }
}

@media (max-width: 480px) {
    .hero-buttons { flex-direction: column; width: 100%; }
    .btn-primary, .btn-secondary { width: 100%; text-align: center; }
}