/* ============================================================
   THE COBRA PROGRAM — Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Albert+Sans:wght@300;400;500;600;700&display=swap');

/* === Custom Properties === */
:root {
  --blue:        #1400CC;
  --blue-dark:   #0f00a0;
  --blue-light:  #e8e5ff;
  --white:       #ffffff;
  --off-white:   #f8f7ff;
  --black:       #0a0a0a;
  --grey-100:    #f2f2f2;
  --grey-300:    #cccccc;
  --grey-500:    #888888;
  --grey-700:    #444444;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body:    'Albert Sans', system-ui, sans-serif;

  --nav-h:     72px;
  --max-w:     1200px;
  --radius:    4px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 4px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.16);

  --transition: 0.22s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* === Typography === */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; }

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }

p  { font-size: 1rem; line-height: 1.7; }

.lead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  line-height: 1.65;
  color: var(--grey-700);
}

.label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
}

/* === Layout === */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 80px 0; }

.section-header { margin-bottom: 52px; }
.section-header .label { margin-bottom: 12px; }
.section-header h2 { margin-bottom: 16px; }
.section-header .lead { max-width: 600px; }

/* === Navigation === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--blue);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.02em;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--white);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--white);
  color: var(--blue) !important;
  font-weight: 600 !important;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.85rem !important;
  transition: all var(--transition) !important;
}

.nav-cta::after { display: none !important; }

.nav-cta:hover {
  background: var(--blue-light) !important;
  color: var(--blue) !important;
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--blue-dark);
    padding: 20px 0 28px;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    width: 100%;
    padding: 18px 24px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .nav-links a::after { display: none; }

  .nav-cta {
    margin: 16px 24px 0;
    justify-content: center;
    width: calc(100% - 48px);
    padding: 14px 20px !important;
    border-bottom: none !important;
  }
}

/* === Page Offset === */
.page-offset { padding-top: var(--nav-h); }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--blue);
  border: 2px solid var(--blue);
}

.btn-outline:hover {
  background: var(--blue);
  color: var(--white);
}

.btn-white {
  background: var(--white);
  color: var(--blue);
}

.btn-white:hover {
  background: var(--blue-light);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.82rem;
}

/* === Hero === */
.hero {
  background: var(--blue);
  color: var(--white);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%; right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}

.hero-label {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  color: var(--white);
  max-width: 780px;
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: italic;
  opacity: 0.85;
}

.hero .lead {
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.hero-keurmerk {
  margin-top: 52px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-keurmerk-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}

.tbg-badge {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition);
  opacity: 0.7;
}

.tbg-badge:hover { opacity: 1; }

.tbg-badge img {
  height: 40px;
  width: auto;
  display: block;
}

.tbg-badge-text {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1rem;
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.01em;
  text-align: left;
  display: block;
  line-height: 1.1;
}

.tbg-badge-reg {
  font-size: 0.5rem;
  vertical-align: super;
  margin-left: 1px;
}

/* === Video Embed === */
.video-section {
  background: var(--off-white);
  padding: 80px 0;
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 900px;
  margin: 0 auto;
}

.video-wrapper iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

/* === Stats Strip === */
.stats-strip {
  background: var(--blue);
  color: var(--white);
  padding: 48px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item { padding: 8px; }

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  display: block;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

@media (max-width: 600px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* === Card Grid === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 580px) {
  .card-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  border: 1px solid var(--grey-100);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px; height: 48px;
  background: var(--blue-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

.card h3 { margin-bottom: 10px; }
.card p  { color: var(--grey-700); font-size: 0.95rem; }

/* === Program Phases === */
.phases-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--grey-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.phase-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 36px 40px;
  border-bottom: 1px solid var(--grey-100);
  transition: background var(--transition);
}

.phase-item:last-child { border-bottom: none; }
.phase-item:hover { background: var(--off-white); }

.phase-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--blue);
  line-height: 1;
  padding-top: 4px;
}

.phase-content h3 { margin-bottom: 8px; }
.phase-content p  { color: var(--grey-700); font-size: 0.95rem; }
.phase-meta {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--grey-500);
  font-weight: 500;
}

@media (max-width: 640px) {
  .phase-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 28px 24px;
  }
  .phase-num { font-size: 1.8rem; }
}

/* === Cases Grid === */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 580px) {
  .cases-grid { grid-template-columns: 1fr; }
}

.case-tile {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--grey-100);
  display: block;
  text-decoration: none;
}

.case-tile-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.4s ease;
}

.case-tile:hover .case-tile-bg {
  transform: scale(1.04);
}

.case-tile-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20,0,204,0.85) 0%, rgba(20,0,204,0.2) 60%, transparent 100%);
}

.case-tile-content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px;
  color: var(--white);
}

.case-tile-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 6px;
}

.case-tile-content h3 {
  font-size: 1.3rem;
  font-family: var(--font-display);
  margin-bottom: 4px;
}

.case-tile-content p {
  font-size: 0.85rem;
  opacity: 0.75;
}

/* Progress badge tiles */
.case-tile-wip {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  border: 2px dashed var(--grey-300);
  background: var(--grey-100);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px;
  text-align: center;
}

.wip-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue-light);
  color: var(--blue);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
}

.wip-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
  animation: pulse 1.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.case-tile-wip h3 {
  font-size: 1.1rem;
  color: var(--grey-500);
  font-style: italic;
}

/* === Case Detail === */
.case-hero {
  background: var(--blue);
  color: var(--white);
  padding: 80px 0 60px;
}

.case-hero .case-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 16px;
}

.case-hero h1 { margin-bottom: 20px; }
.case-hero .lead { color: rgba(255,255,255,0.75); max-width: 600px; }

.case-meta-strip {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.15);
  flex-wrap: wrap;
}

.case-meta-item { }
.case-meta-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 4px;
}
.case-meta-value {
  font-size: 1rem;
  font-weight: 500;
}

.case-body {
  padding: 80px 0;
}

.case-body-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 60px;
  align-items: start;
}

@media (max-width: 900px) {
  .case-body-grid { grid-template-columns: 1fr; }
}

.case-content h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
  margin-top: 48px;
}

.case-content h2:first-child { margin-top: 0; }

.case-content p {
  color: var(--grey-700);
  margin-bottom: 20px;
  line-height: 1.75;
}

.case-content blockquote {
  border-left: 3px solid var(--blue);
  padding: 20px 24px;
  margin: 32px 0;
  background: var(--off-white);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.case-content blockquote p {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--black);
  margin: 0;
  line-height: 1.5;
}

.case-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}

.case-sidebar-card {
  background: var(--off-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 20px;
}

.case-sidebar-card h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.case-sidebar-card ul {
  list-style: none;
}

.case-sidebar-card ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--grey-300);
  font-size: 0.9rem;
  color: var(--grey-700);
  display: flex;
  align-items: center;
  gap: 8px;
}

.case-sidebar-card ul li:last-child { border-bottom: none; }

.case-sidebar-card ul li::before {
  content: '→';
  color: var(--blue);
  font-weight: 700;
  flex-shrink: 0;
}

.case-results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.result-box {
  background: var(--blue);
  color: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.result-number {
  font-family: var(--font-display);
  font-size: 2rem;
  display: block;
  margin-bottom: 4px;
}

.result-desc {
  font-size: 0.8rem;
  opacity: 0.7;
}

/* === Contact === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.calendly-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  min-height: 650px;
}

.contact-form-section h3 { margin-bottom: 8px; }
.contact-form-section .lead { margin-bottom: 32px; }

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--grey-700);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--grey-300);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--black);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(20,0,204,0.1);
}

.form-group textarea { min-height: 140px; resize: vertical; }

.form-success {
  display: none;
  background: #e8ffe8;
  border: 1px solid #5cb85c;
  color: #2d7a2d;
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-top: 16px;
  font-size: 0.95rem;
}

/* === CTA Banner === */
.cta-banner {
  background: var(--blue);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

.cta-banner h2 { color: var(--white); margin-bottom: 16px; }
.cta-banner p  { color: rgba(255,255,255,0.75); max-width: 500px; margin: 0 auto 36px; }
.cta-banner .btn-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* === Footer === */
.footer {
  background: var(--black);
  color: rgba(255,255,255,0.5);
  padding: 48px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
  margin-bottom: 40px;
}

@media (max-width: 640px) {
  .footer-inner { grid-template-columns: 1fr; }
}

.footer-brand .footer-logo-img {
  height: 28px;
  width: auto;
  opacity: 0.7;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: right;
}

@media (max-width: 640px) {
  .footer-links { text-align: left; }
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
}

.footer-bottom a {
  color: rgba(255,255,255,0.4);
  transition: color var(--transition);
}

.footer-bottom a:hover { color: var(--white); }

/* === About Highlights === */
.highlight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 60px;
  align-items: start;
}

@media (max-width: 720px) {
  .highlight-grid { grid-template-columns: 1fr; }
}

.highlight-item {}
.highlight-item h3 { margin-bottom: 10px; }
.highlight-item p  { color: var(--grey-700); }

/* === Two-col text === */
.two-col-text {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 720px) {
  .two-col-text { grid-template-columns: 1fr; }
}

/* === Utility === */
.bg-off-white { background: var(--off-white); }
.bg-blue      { background: var(--blue); color: var(--white); }
.text-center  { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mb-0  { margin-bottom: 0; }