/* style.css — Friendly Sailing / design tokens + components */

/* ---------- Fonts ---------- */
@import url('https://api.fontshare.com/v2/css?f[]=cabinet-grotesk@700,600,500&f[]=satoshi@400,500,700&display=swap');

:root {
  --font-display: 'Cabinet Grotesk', 'Georgia', serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;

  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);
  --text-hero: clamp(2.75rem, 0.8rem + 6vw, 6.5rem);

  /* Spacing (4px system) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 980px;
  --content-wide: 1240px;
  --content-full: 100%;
}

/* ---------- Color: Deep Sea / Brass (nautical) ---------- */
:root,
[data-theme='light'] {
  --color-bg: #f6f4ee;
  --color-surface: #ffffff;
  --color-surface-2: #fbf9f4;
  --color-surface-offset: #eeeadf;
  --color-surface-offset-2: #e4ded0;
  --color-divider: #ded7c6;
  --color-border: #d2c9b3;

  --color-text: #10233a;
  --color-text-muted: #55677c;
  --color-text-faint: #9aa4ae;
  --color-text-inverse: #f6f4ee;

  --color-primary: #0d6e78;
  --color-primary-hover: #0a545c;
  --color-primary-active: #073e44;
  --color-primary-highlight: #cfe4e2;

  --color-accent: #b1802f;
  --color-accent-hover: #916620;
  --color-accent-highlight: #ecdcb9;

  --color-navy: #0e2338;
  --color-navy-2: #16324e;

  --color-success: #3f7a3f;
  --color-error: #a13a3a;

  --shadow-sm: 0 1px 2px oklch(0.2 0.03 240 / 0.08);
  --shadow-md: 0 6px 16px oklch(0.2 0.03 240 / 0.10);
  --shadow-lg: 0 16px 40px oklch(0.2 0.03 240 / 0.16);
}

[data-theme='dark'] {
  --color-bg: #0a1a29;
  --color-surface: #0f2233;
  --color-surface-2: #122738;
  --color-surface-offset: #16304a;
  --color-surface-offset-2: #1c3a58;
  --color-divider: #234160;
  --color-border: #2b4a6a;

  --color-text: #e7ecef;
  --color-text-muted: #9db0c2;
  --color-text-faint: #5f7690;
  --color-text-inverse: #0e2338;

  --color-primary: #5cc2cb;
  --color-primary-hover: #7fd3da;
  --color-primary-active: #3ea3ac;
  --color-primary-highlight: #1f3f45;

  --color-accent: #e0b768;
  --color-accent-hover: #eecb8c;
  --color-accent-highlight: #4a3a1f;

  --color-navy: #061220;
  --color-navy-2: #0c1e30;

  --color-success: #6cae6c;
  --color-error: #d3716e;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 16px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 20px 48px oklch(0 0 0 / 0.5);
}

/* ---------- Global type ---------- */
h1, h2, h3, .font-display {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}
h1 { font-weight: 700; }
h2 { font-weight: 600; }
h3 { font-weight: 600; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--wide {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: var(--space-3);
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1.5px;
  background: var(--color-accent);
  display: inline-block;
}

.section-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
  max-width: 20ch;
}
.section-lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  font-family: var(--font-body);
  font-weight: 400;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  min-height: 48px;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-md); }
.btn-outline {
  background: transparent;
  border: 1.5px solid oklch(from var(--color-text) l c h / 0.2);
  color: var(--color-text);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-accent {
  background: var(--color-accent);
  color: #fff;
}
.btn-accent:hover { background: var(--color-accent-hover); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid oklch(from var(--color-text) l c h / 0.08);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--hidden { transform: translateY(-100%); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
}
.logo svg { width: 34px; height: 34px; color: var(--color-primary); flex-shrink: 0; }
.logo-sub { display: block; font-size: var(--text-xs); font-weight: 400; color: var(--color-text-muted); font-family: var(--font-body); letter-spacing: 0.04em; }

.nav-links {
  display: none;
  gap: var(--space-6);
  align-items: center;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}
.nav-links a:hover { color: var(--color-primary); }

.header-actions { display: flex; align-items: center; gap: var(--space-3); }

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }

.nav-toggle {
  display: flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-toggle { display: none; }
}

.mobile-nav {
  position: fixed;
  inset: 0;
  top: 0;
  background: var(--color-bg);
  z-index: 60;
  display: none;
  flex-direction: column;
  padding: var(--space-6) var(--space-5);
}
.mobile-nav.open { display: flex; }
.mobile-nav-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-10); }
.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #fff;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    oklch(from var(--color-navy) l c h / 0.55) 0%,
    oklch(from var(--color-navy) l c h / 0.35) 40%,
    oklch(from var(--color-navy) l c h / 0.9) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-block: var(--space-16) var(--space-20);
  width: 100%;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-hover);
  font-weight: 700;
  margin-bottom: var(--space-5);
}
.hero-title {
  font-size: var(--text-hero);
  font-weight: 700;
  max-width: 18ch;
  margin-bottom: var(--space-5);
}
.hero-sub {
  font-size: var(--text-lg);
  max-width: 46ch;
  color: oklch(1 0 0 / 0.86);
  font-family: var(--font-body);
  margin-bottom: var(--space-8);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-10); }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
  max-width: 560px;
  border-top: 1px solid oklch(1 0 0 / 0.2);
  padding-top: var(--space-6);
}
@media (min-width: 640px) { .hero-stats { grid-template-columns: repeat(3, 1fr); } }
.hero-stat-num { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--color-accent-hover); }
.hero-stat-label { font-size: var(--text-xs); color: oklch(1 0 0 / 0.75); }

/* ---------- Value cards ---------- */
.value-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-top: var(--space-10);
}
@media (min-width: 700px) { .value-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .value-grid { grid-template-columns: repeat(4, 1fr); } }
.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.value-icon {
  width: 44px; height: 44px;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.value-card h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.value-card p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* ---------- Two-column section ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: start;
}
@media (min-width: 900px) { .split { grid-template-columns: 1.1fr 0.9fr; } }
.split--reverse { direction: rtl; }
.split--reverse > * { direction: ltr; }

.media-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Program lists ---------- */
.program-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-10);
}
@media (min-width: 800px) { .program-grid { grid-template-columns: 1fr 1fr; } }
.program-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.program-card h3 {
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.program-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  flex-shrink: 0;
}
.program-meta { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-5); }
.program-list { display: flex; flex-direction: column; gap: var(--space-3); }
.program-list li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--text-sm);
  align-items: flex-start;
}
.program-list li svg { width: 18px; height: 18px; color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }

/* ---------- Instructor ---------- */
.instructor-card {
  background: var(--color-navy);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 5vw, var(--space-12));
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 850px) { .instructor-card { grid-template-columns: 0.85fr 1.15fr; } }
.instructor-badge {
  width: 84px; height: 84px;
  border-radius: var(--radius-full);
  background: oklch(1 0 0 / 0.08);
  border: 1px solid oklch(1 0 0 / 0.18);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-accent-hover);
  margin-bottom: var(--space-5);
}
.instructor-badge svg { width: 42px; height: 42px; }
.instructor-badge img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-full);
}
.instructor-card h3 { font-size: var(--text-xl); margin-bottom: var(--space-1); }
.instructor-role { color: oklch(1 0 0 / 0.6); font-size: var(--text-sm); margin-bottom: var(--space-5); }
.instructor-bio { color: oklch(1 0 0 / 0.85); font-size: var(--text-base); margin-bottom: var(--space-6); max-width: 46ch; }
.timeline { display: flex; flex-direction: column; gap: var(--space-3); }
.timeline-item {
  display: flex;
  gap: var(--space-4);
  padding-block: var(--space-2);
  border-bottom: 1px solid oklch(1 0 0 / 0.12);
  font-size: var(--text-sm);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-year { font-family: var(--font-display); font-weight: 700; color: var(--color-accent-hover); min-width: 4.5ch; }

/* ---------- Yacht specs ---------- */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-6);
}
@media (min-width: 640px) { .spec-grid { grid-template-columns: repeat(3, 1fr); } }
.spec-item {
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-border);
}
.spec-value { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; color: var(--color-primary); }
.spec-label { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ---------- Pricing ---------- */
.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 5vw, var(--space-12));
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
}
@media (min-width: 850px) { .pricing-card { grid-template-columns: 1fr 1fr; } }
.price-amount { font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 700; color: var(--color-text); line-height: 1; }
.price-unit { font-size: var(--text-sm); color: var(--color-text-muted); }
.included-list { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-6); }
.included-list li { display: flex; gap: var(--space-3); font-size: var(--text-sm); align-items: flex-start; }
.included-list li svg { width: 18px; height: 18px; color: var(--color-success); flex-shrink: 0; margin-top: 2px; }
.extra-note { margin-top: var(--space-6); padding: var(--space-4); background: var(--color-surface-offset); border-radius: var(--radius-md); font-size: var(--text-sm); color: var(--color-text-muted); }

/* ---------- Dates ---------- */
.dates-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-4); margin-top: var(--space-8); }
@media (min-width: 700px) { .dates-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .dates-grid { grid-template-columns: repeat(3, 1fr); } }
.dates-empty {
  grid-column: 1 / -1;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.date-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.date-card-title { font-family: var(--font-display); font-weight: 600; font-size: var(--text-base); margin-bottom: var(--space-1); }
.date-card-status { font-size: var(--text-xs); color: var(--color-text-muted); }
.tag {
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  white-space: nowrap;
}

/* ---------- Contact ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: start;
  margin-top: var(--space-8);
}
@media (min-width: 900px) { .contact-wrap { grid-template-columns: 0.9fr 1.1fr; } }
.contact-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  width: 100%;
}
.contact-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: var(--space-4);
  min-height: 4.75rem;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: left;
}
.contact-item:hover { border-color: var(--color-primary); }
.contact-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg { width: 22px; height: 22px; }
.contact-item-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 0.15rem;
  min-width: 0;
}
.contact-item-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.3;
}
.contact-item-value {
  display: block;
  font-weight: 600;
  font-size: var(--text-sm);
  line-height: 1.35;
}

.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr; gap: var(--space-4); margin-bottom: var(--space-4); }
@media (min-width: 560px) { .form-row--2 { grid-template-columns: 1fr 1fr; } }
.field label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  font-size: var(--text-sm);
  min-height: 48px;
}
.field textarea { min-height: 100px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--color-primary); }
.consent { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--text-xs); color: var(--color-text-muted); margin: var(--space-5) 0; }
.consent input { width: 18px; height: 18px; margin-top: 2px; flex-shrink: 0; accent-color: var(--color-primary); }
.consent a { text-decoration: underline; }

/* ---------- Footer ---------- */
.footer {
  background: var(--color-navy);
  color: oklch(1 0 0 / 0.75);
  padding-block: var(--space-16) var(--space-8);
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid oklch(1 0 0 / 0.12);
}
@media (min-width: 800px) { .footer-top { grid-template-columns: 1.2fr 1fr 1fr; } }
.footer-logo { display: flex; align-items: center; gap: var(--space-2); color: #fff; font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; margin-bottom: var(--space-3); }
.footer-logo svg { width: 30px; height: 30px; color: var(--color-accent-hover); }
.footer-col h4 { font-size: var(--text-sm); color: #fff; margin-bottom: var(--space-4); font-family: var(--font-body); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); font-size: var(--text-sm); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-6);
  font-size: var(--text-xs);
}
@media (min-width: 700px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }

/* ---------- Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: var(--space-3);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 100;
}
.skip-link:focus { left: var(--space-3); }