/* ===================================================================
   AOK Performance Coaching — Design System
   =================================================================== */

:root {
  /* Brand colors — sampled directly from logo file */
  --color-blue: #049bcf;
  --color-blue-dark: #037ea8;
  --color-green: #7cc559;
  --color-green-dark: #66a847;

  --color-ink: #1a1a1a;
  --color-ink-soft: #4a4a48;
  --color-bg: #fafaf9;
  --color-bg-alt: #f1f0ed;
  --color-white: #ffffff;
  --color-border: #e5e3de;

  --font-heading: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  --max-width: 1120px;
  --radius: 10px;
  --shadow-soft: 0 4px 24px rgba(26, 26, 26, 0.06);
  --shadow-medium: 0 8px 32px rgba(26, 26, 26, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: var(--color-ink);
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; color: var(--color-ink-soft); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 14px;
}

.lede {
  font-size: 1.15rem;
  color: var(--color-ink-soft);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 14px 28px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

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

.btn-secondary {
  background: transparent;
  border-color: var(--color-white);
  color: var(--color-white);
}
.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-blue);
}

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

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 249, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand img {
  height: 42px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-ink);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-blue);
  border-bottom-color: var(--color-green);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-ink);
  margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .nav-links.open { max-height: 400px; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 0; }
  .nav-cta .btn-primary { display: none; }
  .nav-links .btn-primary {
    display: inline-flex;
    margin: 12px 0;
  }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--color-blue) 0%, #036f94 100%);
  color: var(--color-white);
  padding: 100px 0 90px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -20%;
  width: 60%;
  height: 140%;
  background: radial-gradient(circle, rgba(124, 197, 89, 0.25), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 720px;
  position: relative;
  z-index: 1;
}

.hero .eyebrow { color: var(--color-green); }
.hero h1 { color: var(--color-white); }
.hero .lede { color: rgba(255,255,255,0.9); font-size: 1.2rem; }

.page-hero {
  background: linear-gradient(160deg, var(--color-blue) 0%, #036f94 100%);
  color: var(--color-white);
  padding: 72px 0 64px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -10%;
  top: -30%;
  width: 50%;
  height: 140%;
  background: radial-gradient(circle, rgba(124, 197, 89, 0.22), transparent 70%);
  pointer-events: none;
}
.page-hero .eyebrow { color: var(--color-green); }
.page-hero h1 { color: var(--color-white); margin-bottom: 0.3em; }
.page-hero p { color: rgba(255,255,255,0.9); max-width: 640px; font-size: 1.1rem; }

/* ---------- Sections ---------- */
section {
  padding: 84px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-intro {
  max-width: 680px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-intro.left { text-align: left; margin: 0 0 48px; }

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

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

.card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 36px 30px;
  box-shadow: var(--shadow-soft);
  border-top: 4px solid var(--color-green);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.card h3 { color: var(--color-blue); }
.card p { flex-grow: 1; }
.card-link {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-blue);
  margin-top: 12px;
}

/* ---------- Trust strip ---------- */
.trust-strip {
  text-align: center;
  padding: 56px 0;
}
.trust-strip p {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-ink-soft);
  max-width: 640px;
  margin: 0 auto 28px;
}
.trust-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}
.trust-pill {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 0.88rem;
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-ink-soft);
}

/* ---------- Closing CTA band ---------- */
.cta-band {
  background: var(--color-ink);
  color: var(--color-white);
  text-align: center;
  padding: 72px 0;
  border-radius: 0;
}
.cta-band h2 { color: var(--color-white); }
.cta-band .btn-row { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-ink);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 28px;
  font-size: 0.9rem;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 24px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand img { height: 34px; }
.footer-nav {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.footer-nav a { text-decoration: none; color: rgba(255,255,255,0.75); }
.footer-nav a:hover { color: var(--color-green); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: rgba(255,255,255,0.5);
}

/* ---------- About page ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
}
.credentials-box {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-soft);
  border-top: 4px solid var(--color-blue);
  position: sticky;
  top: 96px;
}
.credentials-box h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-blue);
  margin-bottom: 18px;
}
.credentials-box ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.credentials-box li {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
  color: var(--color-ink-soft);
}
.credentials-box li:last-child { border-bottom: none; }

.philosophy-callout {
  background: linear-gradient(135deg, rgba(4,155,207,0.06), rgba(124,197,89,0.08));
  border-left: 4px solid var(--color-green);
  border-radius: var(--radius);
  padding: 32px 36px;
  margin: 32px 0;
}
.philosophy-callout .big-line {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-blue-dark);
  margin-bottom: 10px;
}

/* ---------- Tabs (Offering page) ---------- */
.tabs-nav {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.tab-btn {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 26px;
  border-radius: 999px;
  border: 2px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: all 0.15s ease;
}
.tab-btn:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}
.tab-btn.active {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: var(--color-white);
}

.tab-panel { display: none; }
.tab-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-content {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px) {
  .tab-content { grid-template-columns: 1fr; }
}
.tab-content .big-line {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-blue-dark);
}
.info-box {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 28px;
}
.info-box h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-blue);
  margin-bottom: 10px;
}
.info-box + .info-box { margin-top: 20px; }

/* ---------- Teams / crests ---------- */
.crest-group {
  margin-bottom: 40px;
}
.crest-group h3 {
  color: var(--color-blue);
  margin-bottom: 20px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 10px;
}
.crest-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 20px;
}
.crest-tile {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 20px 14px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.crest-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-blue), var(--color-green));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}

.crest-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
}
.crest-tile span {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  line-height: 1.3;
}
.motorsport-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.motorsport-list .trust-pill { background: var(--color-bg-alt); }

/* ---------- Photos ---------- */
.about-photo {
  border-radius: var(--radius);
  box-shadow: var(--shadow-medium);
  margin-bottom: 32px;
  max-width: 320px;
}

.section-photo {
  border-radius: var(--radius);
  box-shadow: var(--shadow-medium);
  margin: 0 auto 48px;
  max-width: 560px;
  width: 100%;
}

/* ---------- Testimonials ---------- */
.testimonial-placeholder {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  max-width: 620px;
  margin: 0 auto;
}
.testimonial-placeholder p {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-ink-soft);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
}
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.contact-info-item .icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 700;
}
.contact-info-item strong {
  display: block;
  font-family: var(--font-heading);
  color: var(--color-ink);
}
.contact-info-item a { text-decoration: none; color: var(--color-blue); }

.form-box {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-soft);
}
.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--color-ink);
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1.5px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 0.98rem;
  background: var(--color-bg);
  color: var(--color-ink);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-blue);
}
.form-row textarea { resize: vertical; min-height: 120px; }
.form-note {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin-top: 6px;
}
.form-success {
  display: none;
  background: rgba(124,197,89,0.12);
  border: 1px solid var(--color-green);
  color: var(--color-green-dark);
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-family: var(--font-heading);
  font-weight: 500;
}

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }