/* ============================================
   Cortex MedTech — Stylesheet
   ============================================ */

/* ---- Self-hosted Urbanist font ---- */

@font-face {
  font-family: 'Urbanist';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/urbanist-400.ttf') format('truetype');
}

@font-face {
  font-family: 'Urbanist';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/urbanist-600.ttf') format('truetype');
}

@font-face {
  font-family: 'Urbanist';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/urbanist-700.ttf') format('truetype');
}

:root {
  --cortex-dark: #0a0e17;
  --cortex-accent: #00b4d8;
  --cortex-accent-hover: #0096b7;
  --cortex-accent-dim: rgba(0, 180, 216, 0.12);
  --cortex-gray: #f4f5f7;
  --cortex-white: #ffffff;
  --cortex-black: #000000;
  --cortex-muted: #6b7280;
  --cortex-border: #e5e7eb;

  --font: 'Urbanist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --container-max: 1080px;
  --transition: 0.3s ease;
}

/* ---- Reset ---- */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.7;
  color: var(--cortex-black);
  background: var(--cortex-white);
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---- Reveal ---- */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Section label ---- */

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--cortex-accent);
  margin-bottom: 12px;
}

.section-label--light {
  color: var(--cortex-accent);
}

/* ============================================
   Header
   ============================================ */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.site-header--legal {
  position: relative;
  background: var(--cortex-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--cortex-white);
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: color var(--transition);
}

.main-nav a:hover { color: var(--cortex-white); }

.nav-contact {
  background: var(--cortex-accent);
  color: var(--cortex-white) !important;
  padding: 8px 24px;
  border-radius: 6px;
}

.nav-contact:hover {
  background: var(--cortex-accent-hover);
}

/* Hamburger */

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}

.menu-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--cortex-white);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   Hero
   ============================================ */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100vh;
  background: var(--cortex-dark);
  overflow: hidden;
}

.section-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 160px;
  padding-bottom: 120px;
  max-width: 680px;
}

.hero-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--cortex-accent);
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.4rem, 4.5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cortex-white);
  line-height: 1.12;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 1.05rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.75;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  border-radius: 6px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-hero-solid {
  background: var(--cortex-accent);
  color: var(--cortex-white);
}

.btn-hero-solid:hover {
  background: var(--cortex-accent-hover);
}

.btn-hero-outline {
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-hero-outline:hover {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--cortex-white);
}

/* ============================================
   Sections
   ============================================ */

.section { padding: 120px 0; }
.section-light { background: var(--cortex-white); }

.section-dark {
  position: relative;
  background: var(--cortex-dark);
  color: var(--cortex-white);
  overflow: hidden;
}

.section-dark .container { position: relative; z-index: 1; }
.section-dark .section-headline { color: var(--cortex-white); }
.section-dark .section-intro { color: rgba(255, 255, 255, 0.5); }

.section-headline {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--cortex-black);
  margin-bottom: 16px;
}

.section-intro {
  font-size: 1.05rem;
  color: var(--cortex-muted);
  line-height: 1.8;
  max-width: 560px;
  margin-bottom: 0;
}

.section-header {
  margin-bottom: 56px;
}

.section-header .section-intro {
  margin-bottom: 0;
}

/* ============================================
   Pillars
   ============================================ */

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.pillar {
  padding: 32px 28px;
  background: var(--cortex-gray);
  border-radius: 12px;
  border: 1px solid var(--cortex-border);
  transition: border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.pillar:hover {
  border-color: var(--cortex-accent);
  box-shadow: 0 0 0 1px var(--cortex-accent);
}

.pillar-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.pillar-number {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--cortex-accent);
  background: var(--cortex-accent-dim);
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.pillar h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.pillar p {
  font-size: 0.9rem;
  color: var(--cortex-muted);
  line-height: 1.7;
}

/* ============================================
   Statement / Accent band
   ============================================ */

.section-accent {
  background: var(--cortex-accent);
  padding: 80px 0;
}

.statement {
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  font-weight: 400;
  color: var(--cortex-white);
  line-height: 1.65;
  max-width: 720px;
  border-left: 3px solid rgba(255, 255, 255, 0.4);
  padding-left: 28px;
  font-style: italic;
}

/* ============================================
   Company
   ============================================ */

.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.company-location {
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 24px;
}

.section-dark .company-grid .section-intro {
  margin-bottom: 0;
  max-width: none;
}

/* ============================================
   Contact
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-text .section-headline { margin-bottom: 12px; }
.contact-text .section-intro { margin-bottom: 36px; max-width: none; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-detail-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cortex-muted);
  margin-bottom: 2px;
}

.contact-detail a,
.contact-detail span {
  font-size: 0.95rem;
  color: var(--cortex-black);
  line-height: 1.5;
}

.contact-detail a:hover { color: var(--cortex-accent); }

/* Form */

.contact-form-wrap {
  background: var(--cortex-gray);
  border: 1px solid var(--cortex-border);
  border-radius: 12px;
  padding: 40px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cortex-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--cortex-black);
  background: var(--cortex-white);
  border: 1px solid var(--cortex-border);
  border-radius: 8px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cortex-accent);
  box-shadow: 0 0 0 3px var(--cortex-accent-dim);
}

.form-group textarea { resize: vertical; }

.btn-primary {
  background: var(--cortex-accent);
  color: var(--cortex-white);
  width: 100%;
  padding: 14px;
  margin-top: 4px;
  border-radius: 8px;
}

.btn-primary:hover { background: var(--cortex-accent-hover); }

.form-success {
  margin-top: 16px;
  font-weight: 600;
  color: #059669;
}

/* ============================================
   Legal Nav
   ============================================ */

.legal-nav {
  padding: 16px 0;
  border-top: 1px solid var(--cortex-border);
}

.legal-nav-inner {
  display: flex;
  gap: 24px;
}

.legal-nav a {
  font-size: 0.85rem;
  color: var(--cortex-muted);
}

.legal-nav a:hover { color: var(--cortex-black); }

/* ============================================
   Legal Pages
   ============================================ */

.legal-page { padding: 80px 0; }

.legal-page h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 40px;
}

.legal-page h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 12px;
}

.legal-page h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-top: 24px;
  margin-bottom: 8px;
}

.legal-page p {
  color: var(--cortex-muted);
  margin-bottom: 12px;
  max-width: 720px;
}

.legal-page ul {
  color: var(--cortex-muted);
  margin-bottom: 12px;
  padding-left: 24px;
  max-width: 720px;
}

.legal-page li { margin-bottom: 4px; }
.legal-page a { color: var(--cortex-accent); }
.legal-page a:hover { color: var(--cortex-accent-hover); }

/* ============================================
   Footer
   ============================================ */

.site-footer {
  background: var(--cortex-dark);
  padding: 32px 0;
}

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

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer-location {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ============================================
   Cookie Banner
   ============================================ */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: var(--cortex-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
}

.cookie-banner-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.cookie-banner p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
  flex: 1;
}

.cookie-banner a {
  color: var(--cortex-accent);
  text-decoration: underline;
}

.btn-cookie {
  background: var(--cortex-accent);
  color: var(--cortex-white);
  padding: 10px 24px;
  font-size: 0.85rem;
  white-space: nowrap;
  border-radius: 6px;
}

.btn-cookie:hover {
  background: var(--cortex-accent-hover);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 900px) {
  .company-grid,
  .pillars,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .section-accent { padding: 60px 0; }
  .container { padding: 0 24px; }

  .menu-toggle { display: flex; }

  .main-nav {
    position: fixed;
    inset: 0;
    background: var(--cortex-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
  }

  .main-nav.open { opacity: 1; visibility: visible; }

  .main-nav a {
    font-size: 1.3rem;
    color: var(--cortex-white);
  }

  .nav-contact {
    background: transparent;
    padding: 0;
    border-radius: 0;
  }

  .hero-ctas { flex-direction: column; }

  .contact-form-wrap { padding: 28px 20px; }

  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}