/* ============================================================
   Samurai Professional Karate & Martial Arts Academy
   Design system — dark dojo theme (ink, dojo red, gold)
   Zero-dependency static site
   ============================================================ */

:root {
  --ink: #100c0a;
  --ink-2: #16110d;
  --ink-3: #211a15;
  --red: #d7263d;
  --red-dark: #a41327;
  --red-deep: #7f0d1f;
  --gold: #f0b429;
  --gold-soft: #f6c453;
  --cream: #f6efe6;
  --muted: #bda89a;
  --line: rgba(246, 239, 230, 0.12);
  --font-display: "Bebas Neue", "Oswald", "Arial Narrow", Impact, sans-serif;
  --font-body: "Nunito", "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
svg {
  display: block;
}

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

ul,
ol {
  list-style: none;
}

.container {
  width: min(1140px, 92%);
  margin-inline: auto;
}

.container-narrow {
  width: min(820px, 92%);
  margin-inline: auto;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-alt {
  background: var(--ink-2);
}

.section-head {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head .lead {
  margin-top: 18px;
}

.eyebrow {
  display: inline-block;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-weight: 700;
  font-size: 0.78rem;
  margin-bottom: 16px;
}

.display {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 0.95;
  font-size: clamp(2.7rem, 6vw, 4.3rem);
  color: var(--cream);
}

.text-red {
  color: var(--red);
}

.text-gold {
  color: var(--gold);
}

.lead {
  font-size: 1.12rem;
  color: var(--muted);
}

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.95rem 1.9rem;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease,
    border-color 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #e63946, #a41327);
  color: #fff;
  box-shadow: 0 12px 32px -12px rgba(214, 38, 61, 0.65);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -12px rgba(214, 38, 61, 0.8);
}

.btn-outline {
  border-color: rgba(240, 180, 41, 0.55);
  color: var(--cream);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(240, 180, 41, 0.12);
  border-color: var(--gold);
}

.btn-sm {
  padding: 0.65rem 1.3rem;
  font-size: 0.78rem;
}

.btn-block {
  width: 100%;
}

/* ---------------- Header ---------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(16, 12, 10, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.brand-mark {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
}

.brand-mark svg {
  width: 100%;
  height: 100%;
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: 0.06em;
  color: var(--cream);
  line-height: 1;
  display: flex;
  flex-direction: column;
}

.brand-sub {
  font-family: var(--font-body);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.main-nav a {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  transition: color 0.2s ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--cream);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------------- Hero ---------------- */

.hero {
  position: relative;
  padding: 170px 0 90px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(720px 480px at 85% 8%, rgba(214, 38, 61, 0.28), transparent 60%),
    radial-gradient(640px 480px at 8% 90%, rgba(240, 180, 41, 0.14), transparent 60%),
    radial-gradient(900px 700px at 50% 120%, rgba(127, 13, 31, 0.35), transparent 65%),
    var(--ink);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(246, 239, 230, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(246, 239, 230, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(720px 520px at 50% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(720px 520px at 50% 30%, #000 20%, transparent 75%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3rem;
}

.hero .reveal {
  opacity: 1;
  transform: none;
  animation: heroUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes heroUp {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.hero-note {
  margin-top: 1.4rem;
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.hero-art {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
}

.emblem {
  position: relative;
  width: min(400px, 80vw);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.emblem-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 180deg, var(--gold), var(--red), var(--gold));
  padding: 5px;
}

.emblem-ring::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  border: 1px solid rgba(240, 180, 41, 0.35);
}

.emblem-disc {
  width: 78%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #9c1226, var(--red-deep) 70%);
  border: 1px solid rgba(246, 239, 230, 0.16);
  display: grid;
  place-items: center;
  box-shadow: 0 40px 90px -30px rgba(214, 38, 61, 0.55);
}

.emblem-disc svg {
  width: 68%;
}

.float-card {
  position: absolute;
  background: rgba(33, 26, 21, 0.92);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem 1.1rem;
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  box-shadow: 0 24px 50px -20px rgba(0, 0, 0, 0.7);
}

.float-card-1 {
  top: 6%;
  left: 0;
}

.float-card-2 {
  bottom: 8%;
  right: 0;
}

.float-card-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.float-card-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cream);
  line-height: 1;
}

/* Stats band */

.stats-band {
  position: relative;
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  background: linear-gradient(135deg, #e63946, #a41327);
  border-radius: 16px;
  padding: 2rem 2rem;
  box-shadow: 0 30px 60px -30px rgba(214, 38, 61, 0.7);
}

.stat {
  text-align: center;
}

.stat + .stat {
  border-left: 1px solid rgba(246, 239, 230, 0.25);
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  line-height: 1;
  color: var(--cream);
}

.stat-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(246, 239, 230, 0.85);
}

/* ---------------- Grids & cards ---------------- */

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.9rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(240, 180, 41, 0.4);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.8);
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-top: 1.1rem;
  color: var(--cream);
}

.card p {
  margin-top: 0.6rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.icon-badge {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #e63946, #a41327);
  color: var(--cream);
  box-shadow: 0 14px 30px -12px rgba(214, 38, 61, 0.7);
}

.icon-badge svg {
  width: 24px;
  height: 24px;
}

/* ---------------- Belts ---------------- */

.belt-row {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 1rem;
}

.belt {
  text-align: center;
  background: rgba(33, 26, 21, 0.6);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.2rem 0.6rem;
}

.belt-dot {
  display: block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--belt, var(--cream));
  margin: 0 auto 0.7rem;
  border: 2px solid rgba(246, 239, 230, 0.25);
}

.belt-name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cream);
}

.belt-note {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------------- Programs ---------------- */

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gold);
  border: 1px solid rgba(240, 180, 41, 0.4);
  background: rgba(240, 180, 41, 0.08);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
}

.badge-gold {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.program-card ul {
  margin-top: 1.2rem;
  display: grid;
  gap: 0.5rem;
}

.program-card ul li {
  position: relative;
  padding-left: 1.3rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.program-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 2px;
  background: var(--red);
}

/* ---------------- Pricing ---------------- */

.pricing-grid {
  align-items: stretch;
}

.price-card {
  text-align: center;
  display: flex;
  flex-direction: column;
}

.price-card-featured {
  border-color: rgba(240, 180, 41, 0.65);
  background: linear-gradient(180deg, rgba(214, 38, 61, 0.16), var(--ink) 55%);
  transform: scale(1.03);
}

.price-card-featured:hover {
  transform: scale(1.03) translateY(-6px);
}

.price {
  font-family: var(--font-display);
  font-size: 3.6rem;
  line-height: 1;
  color: var(--gold);
  margin-top: 1rem;
}

.price small {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--muted);
}

.price-note {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.price-card ul {
  margin: 1.4rem 0 1.8rem;
  display: grid;
  gap: 0.55rem;
  text-align: left;
}

.price-card ul li {
  color: var(--muted);
  font-size: 0.92rem;
}

.fineprint {
  margin-top: 2.2rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.fineprint strong {
  color: var(--gold);
}

/* ---------------- Instructors ---------------- */

.instructor-card {
  text-align: center;
}

.avatar {
  width: 92px;
  height: 92px;
  margin: 0 auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.05em;
  color: var(--cream);
  background: radial-gradient(circle at 30% 25%, #9c1226, var(--red-deep));
  border: 2px solid var(--gold);
}

.instructor-role {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--gold);
}

/* ---------------- Gallery ---------------- */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.gallery-tile {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  border: 1px solid var(--line);
  overflow: hidden;
  display: grid;
  place-items: center;
}

.gallery-tile::before {
  content: "";
  position: absolute;
  inset: 0;
}

.gallery-tile span {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 4.6rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(246, 239, 230, 0.92);
}

.tile-1 { background: radial-gradient(circle at 30% 20%, #c2183f, #6e0a1c); }
.tile-2 { background: radial-gradient(circle at 30% 20%, #f0b429, #8a5a00); }
.tile-3 { background: radial-gradient(circle at 30% 20%, #a41327, #4a0813); }
.tile-4 { background: radial-gradient(circle at 30% 20%, #7f0d1f, #2a050b); }
.tile-5 { background: radial-gradient(circle at 30% 20%, #d7263d, #571020); }
.tile-6 { background: radial-gradient(circle at 30% 20%, #e8b64c, #7a4d00); }

/* ---------------- Testimonials ---------------- */

.quote-card {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.quote-card blockquote {
  font-size: 1.12rem;
  color: var(--cream);
  font-weight: 600;
}

.quote-card figcaption {
  margin-top: auto;
  display: grid;
}

.quote-card figcaption strong {
  font-size: 0.95rem;
}

.quote-card figcaption span {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---------------- FAQ ---------------- */

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: grid;
  gap: 0.9rem;
}

.faq-list details {
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.15rem 1.4rem;
}

.faq-list summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--gold);
  transition: transform 0.3s ease;
}

.faq-list details[open] summary::after {
  transform: rotate(45deg);
}

.faq-list details p {
  margin-top: 0.8rem;
  color: var(--muted);
}

/* ---------------- Contact ---------------- */

.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}

.contact-list {
  margin-top: 1.6rem;
  display: grid;
  gap: 0.9rem;
}

.contact-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px dashed var(--line);
}

.contact-list span {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  align-self: center;
}

.contact-list a {
  color: var(--gold);
  font-weight: 700;
}

.contact-form {
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2rem;
  display: grid;
  gap: 1.1rem;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.field label {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.8rem 0.9rem;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold);
}

.field textarea {
  resize: vertical;
}

.form-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
}

/* ---------------- Footer ---------------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--ink-2);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2.5rem;
}

.brand-footer .brand-text {
  color: var(--cream);
}

.footer-tag {
  margin-top: 1rem;
  color: var(--muted);
  font-style: italic;
}

.footer-nav {
  display: grid;
  gap: 0.55rem;
  align-content: start;
}

.footer-nav a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.footer-nav a:hover {
  color: var(--gold);
}

.footer-contact {
  display: grid;
  gap: 0.6rem;
  align-content: start;
}

.footer-contact a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.footer-contact a:hover {
  color: var(--gold);
}

.footer-bottom {
  margin-top: 48px;
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---------------- Reveal on scroll ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------------- Responsive ---------------- */

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .belt-row {
    grid-template-columns: repeat(4, 1fr);
  }
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-art {
    min-height: 340px;
  }
}

@media (max-width: 820px) {
  .main-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(16, 12, 10, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 0.6rem 4%;
    display: none;
  }
  .main-nav.open {
    display: flex;
  }
  .main-nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }
  .nav-toggle {
    display: flex;
  }
  .header-cta {
    display: none;
  }
  .grid-2,
  .grid-3,
  .grid-4,
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .contact-wrap {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 560px) {
  .section {
    padding: 68px 0;
  }
  .stats-band {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.4rem 0.5rem;
  }
  .stat:nth-child(3) {
    border-left: none;
  }
  .field-row {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: 140px;
  }
}

/* ---------------- Reduced motion ---------------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero .reveal {
    animation: none;
    opacity: 1;
    transform: none;
  }
}