/* ========================================
   GenoSapiens Research – Modern Website
   ======================================== */

:root {
  /* Primary palette – Tiffany Blue / robin's egg turquoise */
  --color-tiffany: #0abab5;
  --color-tiffany-light: #81d8d0;
  --color-tiffany-pale: #b5e8e5;
  --color-primary: #0a3d3d;
  --color-primary-light: #0d5252;
  --color-accent: #0abab5;
  --color-accent-dark: #089490;
  --color-accent-light: #81d8d0;
  --color-white: #ffffff;
  --color-gray-50: #e8f7f6;
  --color-gray-100: #d1efed;
  --color-gray-200: #a8e4e0;
  --color-gray-400: #81d8d0;
  --color-gray-600: #0a5c5a;
  --color-gray-800: #0a3d3d;
  --color-text: #1a4a4a;

  /* Gradient for hero – Tiffany turquoise spectrum */
  --gradient-hero: linear-gradient(135deg, #062c2c 0%, #0a4a4a 40%, #0abab5 100%);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Misc */
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --transition: 0.25s ease;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-white);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--color-accent-dark);
}

/* Container */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ========================================
   Header
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
  padding: var(--space-sm) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.5px;
}
.logo span {
  color: var(--color-accent);
}

.nav {
  display: flex;
  gap: var(--space-md);
}
.nav a {
  color: var(--color-gray-200);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition);
}
.nav a:hover {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: var(--color-primary);
    padding: var(--space-sm);
    gap: var(--space-sm);
    display: none;
  }
  .nav.open {
    display: flex;
  }
  .nav-toggle {
    display: flex;
  }
}

/* ========================================
   Hero
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: -2;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2381d8d0' fill-opacity='0.15'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.8;
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  padding: var(--space-xl) var(--space-sm);
}

.hero-label {
  display: inline-block;
  background: rgba(129, 216, 208, 0.2);
  color: var(--color-tiffany-light);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  margin-bottom: var(--space-sm);
  border: 1px solid rgba(129, 216, 208, 0.4);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-sm);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--color-gray-200);
  max-width: 600px;
  margin: 0 auto var(--space-md);
}

.hero-cta {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */
 .btn {
  display: inline-block;
  font-weight: 600;
  font-size: 1.1rem;
  padding: 1rem 2rem;
  border-radius: calc(var(--radius) + 2px);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  border: none;
}

 .btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 2px 6px rgba(10, 186, 181, 0.3);
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-tiffany) 100%);
  color: var(--color-white);
  border: 2px solid var(--color-accent);
  box-shadow: 0 6px 20px rgba(10, 186, 181, 0.5);
}
 .btn-primary:hover {
   background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-tiffany) 100%);
   transform: translateY(-4px) scale(1.05);
   color: var(--color-white);
   box-shadow: 0 10px 35px rgba(10, 186, 181, 0.7);
 }
.btn-outline {
  background: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
}
 .btn-outline:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ========================================
   Section Basics
   ======================================== */
.section {
  padding: var(--space-xl) 0;
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--space-sm);
}
.section-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-lg);
  color: var(--color-gray-600);
}

/* ========================================
   About
   ======================================== */
.about {
  background: var(--color-gray-50);
}
.about-grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}
@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.about-text p {
  margin-bottom: var(--space-sm);
}
.about-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}
 .highlight-card {
   background: var(--color-white);
   border: 2px solid var(--color-accent);
   border-radius: var(--radius);
   padding: var(--space-sm);
   text-align: center;
   box-shadow: 0 6px 18px rgba(10, 186, 181, 0.3);
   transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
 .highlight-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 12px 30px rgba(10, 186, 181, 0.3);
  border-color: var(--color-accent);
}
 .highlight-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-accent);
}
 .highlight-card h4 {
  font-size: 1rem;
  color: var(--color-accent);
}

/* ========================================
   Services
   ======================================== */
.services-grid {
  display: grid;
  gap: var(--space-md);
}
@media (min-width: 700px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-tiffany-pale);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(10, 186, 181, 0.2);
  border-color: var(--color-tiffany);
}
.service-card h3 {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  position: relative;
  padding-left: 1rem;
}
.service-card h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.2em;
  width: 4px;
  height: 1em;
  background: var(--color-accent);
  border-radius: 2px;
}
.service-card p {
  font-size: 0.95rem;
  color: var(--color-gray-600);
}

/* ========================================
   News
   ======================================== */
.news {
  background: linear-gradient(180deg, var(--color-gray-50) 0%, #d1efed 100%);
}
.news-timeline {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.news-item {
  position: relative;
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-accent);
}
.news-date {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}
.news-item p {
  color: var(--color-gray-600);
}

/* ========================================
   Contact
   ======================================== */
.contact-grid {
  display: grid;
  gap: var(--space-lg);
}
@media (min-width: 700px) {
  .contact-grid {
    grid-template-columns: 1fr 2fr;
    align-items: start;
  }
}
.contact-info address {
  font-style: normal;
  margin: var(--space-xs) 0 var(--space-sm);
  color: var(--color-gray-600);
  line-height: 1.8;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.contact-form input,
.contact-form textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-tiffany-pale);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-tiffany);
  box-shadow: 0 0 0 3px rgba(10, 186, 181, 0.2);
}
.contact-form button {
  align-self: flex-start;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: linear-gradient(135deg, #042f2e 0%, var(--color-primary) 100%);
  color: var(--color-gray-200);
  padding: var(--space-md) 0;
  text-align: center;
  font-size: 0.9rem;
}

/* ========================================
   Utilities
   ======================================== */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.75rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
}