/* =========================================================
   MARK WILLIAMS — personal / community landing page
   ========================================================= */

:root {
  /* Palette */
  --paper: #faf7f2;
  --paper-alt: #f1ece3;
  --ink: #191815;
  --ink-soft: #56534c;
  --ink-faint: #8a8579;
  --line: rgba(25, 24, 21, 0.1);
  --line-strong: rgba(25, 24, 21, 0.16);

  --accent: #2a3f52;       /* deep indigo — aizome-inspired */
  --accent-bright: #3e5b73;
  --accent-soft: #e7edf0;
  --on-accent: #f6f3ec;

  /* Type */
  --font-display: "Fraunces", Georgia, "Hiragino Mincho ProN", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", sans-serif;

  /* Spacing scale */
  --section-pad: clamp(4.5rem, 3rem + 6vw, 8rem);
  --container-w: 1200px;

  --radius-sm: 8px;
  --radius-md: 14px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

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

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 1.9rem + 2.5vw, 4rem); font-weight: 600; }
h2 { font-size: clamp(1.9rem, 1.6rem + 1.6vw, 2.85rem); }
h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.5em; }

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

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 640px) {
  .container { padding: 0 2.5rem; }
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  z-index: 200;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:hover {
  background: var(--accent);
  box-shadow: 0 12px 24px -12px rgba(42, 63, 82, 0.55);
}

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-secondary:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  padding-left: 0.25rem;
  padding-right: 0.25rem;
  border-radius: 0;
  border-bottom: 1px solid var(--line-strong);
}
.btn-ghost:hover { border-color: var(--ink); transform: translateY(0); }

.btn-sm { padding: 0.6rem 1.3rem; font-size: 0.85rem; }
.btn-lg { padding: 1.05rem 2.25rem; font-size: 1rem; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px -20px rgba(0,0,0,0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 1.15rem;
  padding-bottom: 1.15rem;
}

.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
}

.main-nav {
  display: none;
  gap: 2.25rem;
  font-size: 0.92rem;
  font-weight: 500;
}
.main-nav a {
  position: relative;
  color: var(--ink-soft);
  transition: color 0.2s var(--ease);
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease);
}
.main-nav a:hover { color: var(--ink); }
.main-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.header-cta { display: none; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-height: 0;
  overflow: hidden;
  border-top: 1px solid transparent;
  transition: max-height 0.35s var(--ease), border-color 0.35s var(--ease);
}
.mobile-nav.is-open {
  max-height: 400px;
  border-top-color: var(--line);
}
.mobile-nav a {
  padding: 1.05rem 1.5rem;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
}
.mobile-nav .btn {
  margin: 1.1rem 1.5rem 1.4rem;
  border-bottom: none;
}

@media (min-width: 900px) {
  .main-nav { display: flex; }
  .header-cta { display: block; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none; }
}

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(3rem, 2rem + 4vw, 5.5rem) 0 var(--section-pad);
  overflow: hidden;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 3rem;
  align-items: center;
}

.hero-sub {
  font-size: 1.08rem;
  max-width: 42ch;
}

.hero-note {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-top: 2.25rem;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 4rem;
  }
}

/* ---------- Placeholder media ---------- */
.placeholder-media {
  position: relative;
  width: 100%;
  border-radius: var(--radius-md);
  background:
    radial-gradient(120% 140% at 20% 0%, rgba(255,255,255,0.5), transparent 55%),
    linear-gradient(155deg, var(--accent-soft) 0%, #e2ded4 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  overflow: hidden;
  border: 1px solid var(--line);
}

.placeholder-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.placeholder-mark {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 2rem + 3vw, 4rem);
  color: var(--accent);
  opacity: 0.55;
}

.placeholder-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-faint);
  letter-spacing: 0.02em;
  padding: 0 1rem;
  text-align: center;
}

.placeholder-portrait { aspect-ratio: 4 / 5; }
.placeholder-square { aspect-ratio: 1 / 1; }
.placeholder-tall { aspect-ratio: 3 / 4; }
.placeholder-wide { aspect-ratio: 16 / 10; grid-column: span 2; }
.placeholder-video { aspect-ratio: 16 / 9; }

.play-btn {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: rgba(25, 24, 21, 0.82);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}
.play-btn svg { width: 22px; height: 22px; margin-left: 3px; }

/* ---------- Stats strip ---------- */
.stats-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-alt);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem 1.5rem;
  padding: 3rem 1.5rem;
}

.stat {
  text-align: center;
  padding: 0 0.5rem;
  position: relative;
}
.stat::before {
  content: "";
  position: absolute;
  left: -0.75rem;
  top: 10%;
  bottom: 10%;
  width: 1px;
  background: var(--line-strong);
}
.stat:nth-child(odd)::before { display: none; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 1.6rem + 1vw, 2.5rem);
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.3rem;
}
.stat-label {
  display: block;
  font-size: 0.82rem;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}

@media (min-width: 720px) {
  .stats-grid { grid-template-columns: repeat(4, 1fr); padding: 3.5rem 2.5rem; }
  .stat:nth-child(odd)::before { display: block; }
  .stat:first-child::before { display: none; }
}

.journey-note {
  max-width: 640px;
  text-align: center;
  padding: 0 1.5rem 3rem;
}
.journey-note h2 { font-size: clamp(1.4rem, 1.2rem + 0.8vw, 1.8rem); margin-bottom: 0.65em; }
.journey-note p { font-size: 1rem; margin-bottom: 0; }

@media (min-width: 720px) {
  .journey-note { padding: 0 2.5rem 3.5rem; }
}

/* ---------- Section shared ---------- */
section { padding: var(--section-pad) 0; }

.section-head {
  max-width: 640px;
  margin: 0 auto 3.5rem;
  text-align: center;
}
.section-head .eyebrow { display: block; text-align: center; }
.section-intro { font-size: 1.05rem; }

/* ---------- Roadmap ---------- */
.roadmap-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
  counter-reset: step;
}

.roadmap-step {
  position: relative;
  padding: 2.25rem 1.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--paper);
}

.step-num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--accent);
}

.roadmap-step h3 { margin-bottom: 0.9em; }

.step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.step-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.step-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
}

/* Progression tint: light (beginner) to deep navy (confident) */
.roadmap-step--1 { background: #fbf3e6; border-color: rgba(191, 145, 74, 0.22); }
.roadmap-step--1 .step-num { color: #b9873c; }

.roadmap-step--2 { background: var(--accent-soft); border-color: rgba(42, 63, 82, 0.16); }
.roadmap-step--2 .step-num { color: var(--accent-bright); }

.roadmap-step--3 { background: #dce6ec; border-color: rgba(42, 63, 82, 0.22); }
.roadmap-step--3 .step-num { color: var(--accent); }

.roadmap-step--4 { background: var(--accent); border-color: var(--accent); }
.roadmap-step--4 .step-num { color: var(--on-accent); opacity: 0.85; }
.roadmap-step--4 h3 { color: var(--on-accent); }
.roadmap-step--4 .step-list li { color: rgba(246, 243, 236, 0.82); }

@media (min-width: 720px) {
  .roadmap-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1080px) {
  .roadmap-grid { grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
  .roadmap-step:not(.roadmap-step--4)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -1.1rem;
    width: 0.9rem;
    height: 0.9rem;
    border-top: 1.5px solid var(--ink-faint);
    border-right: 1.5px solid var(--ink-faint);
    transform: translateY(-50%) rotate(45deg);
    opacity: 0.5;
    z-index: 2;
  }
}

/* ---------- Who this is for ---------- */
.who-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  max-width: 780px;
  margin: 0 auto;
}

.who-card {
  padding: 1.5rem 1.75rem;
  border-radius: var(--radius-md);
  background: var(--paper-alt);
  border: 1px solid var(--line);
}
.who-card p {
  margin: 0;
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 500;
}

.who-note {
  text-align: center;
  max-width: 780px;
  margin: 2.25rem auto 0;
  padding: 1.1rem 1.5rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--on-accent);
  font-weight: 600;
  font-size: 1rem;
}

@media (min-width: 720px) {
  .who-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Story ---------- */
.story-grid {
  display: grid;
  gap: 3rem;
}

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

.story-copy p { font-size: 1.03rem; }

@media (min-width: 960px) {
  .story-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4.5rem;
    align-items: center;
  }
  .story-grid .story-media { order: 2; }
  .story-grid .story-copy { order: 1; }
}

/* ---------- Community ---------- */
.community { background: var(--ink); color: var(--on-accent); }
.community .eyebrow { color: #9cb3c4; }
.community h2, .community h3 { color: var(--on-accent); }
.community .section-intro { color: #cfcbc0; }

.community-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}

.card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  transition: transform 0.35s var(--ease), background-color 0.35s var(--ease), border-color 0.35s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.18);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: #a9c2d4;
}
.card-icon svg { width: 21px; height: 21px; }

.card p { color: #c7c3b9; margin-bottom: 0; font-size: 0.95rem; }

.community-cta {
  text-align: center;
  margin-top: 3.5rem;
}
.community .btn-primary {
  background: var(--on-accent);
  color: var(--ink);
}
.community .btn-primary:hover {
  background: var(--accent-bright);
  color: var(--on-accent);
}
.cta-note {
  margin: 0.9rem 0 0;
  font-size: 0.78rem;
  color: #8a9199;
}

@media (min-width: 640px) {
  .community-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .community-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Academy offer ---------- */
.academy { background: var(--paper-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.academy-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.academy-sub { font-size: 1.1rem; max-width: 42ch; }

.academy-list {
  list-style: none;
  margin: 1.75rem 0 2rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.academy-list li {
  position: relative;
  padding-left: 1.9rem;
  color: var(--ink);
  font-weight: 500;
}
.academy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232a3f52' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 65% no-repeat;
}

.academy-price {
  display: inline-flex;
  flex-direction: column;
  padding: 1rem 1.4rem;
  margin-bottom: 1.75rem;
  border-radius: var(--radius-md);
  background: var(--paper);
  border: 1px solid var(--line-strong);
}
.academy-price-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.academy-price-amount {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
}
.academy-price-amount span { font-size: 1rem; font-weight: 500; color: var(--ink-soft); }

.academy-copy .btn { display: flex; width: fit-content; }
.academy-note { margin: 0.9rem 0 0; font-size: 0.85rem; color: var(--ink-faint); }

.academy-media { display: grid; gap: 1rem; }
.academy-video { box-shadow: 0 24px 48px -28px rgba(25, 24, 21, 0.45); }
.academy-video iframe,
.academy-video video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.academy-shot { aspect-ratio: 16 / 7; }

@media (max-width: 480px) {
  .academy-copy .btn { width: 100%; white-space: normal; text-align: center; }
}

@media (min-width: 960px) {
  .academy-grid { grid-template-columns: 0.95fr 1.05fr; gap: 4rem; }
}

/* Roadmap footnote */
.roadmap-note {
  max-width: 640px;
  margin: 2.5rem auto 0;
  text-align: center;
  font-size: 0.98rem;
}
.roadmap-note strong { color: var(--ink); }

/* ---------- Content / Video ---------- */
.video-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

.video-card { display: block; }
.video-card h3 { margin-top: 1.1rem; margin-bottom: 0.35rem; font-size: 1.05rem; }
.video-card p { font-size: 0.92rem; margin-bottom: 0; }
.video-card:hover .play-btn { transform: scale(1.08); background: var(--accent); }

.content-cta { text-align: center; margin-top: 3rem; }

@media (min-width: 720px) {
  .video-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Beyond Japanese (personal brand, kept lower-key) ---------- */
.beyond {
  background: var(--paper-alt);
  padding: clamp(3rem, 2.4rem + 3vw, 5rem) 0;
}
.beyond .about-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.beyond h2 { font-size: clamp(1.5rem, 1.3rem + 0.8vw, 2rem); }
.beyond .about-inner p:not(.eyebrow) { font-size: 0.98rem; }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-top: 1.75rem;
}
.tag {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.5rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
  background: var(--paper);
}

/* ---------- Final CTA ---------- */
.final-cta {
  position: relative;
  background: var(--accent);
  color: var(--on-accent);
  overflow: hidden;
}
.final-cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
}
.final-cta h2 { color: var(--on-accent); margin-bottom: 0.3em; }
.final-cta p {
  color: rgba(246,243,236,0.82);
  font-size: 1.15rem;
  margin-bottom: 2.25rem;
}
.final-cta .btn-primary {
  background: var(--on-accent);
  color: var(--ink);
}
.final-cta .btn-primary:hover {
  background: var(--ink);
  color: var(--on-accent);
  box-shadow: 0 12px 28px -12px rgba(0,0,0,0.4);
}
.final-cta .cta-note--light {
  margin: 1.25rem 0 0;
  color: rgba(246,243,236,0.7);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: #d8d4c9;
  padding-top: 4rem;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .brand { color: var(--on-accent); margin: 0 0 0.5rem; }
.footer-tagline { font-size: 0.88rem; color: #a19c8f; margin: 0; }

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
  font-size: 0.9rem;
  font-weight: 500;
}
.footer-links a { color: #d8d4c9; transition: color 0.2s var(--ease); }
.footer-links a:hover { color: var(--on-accent); }

.footer-bottom {
  padding: 1.75rem 0;
  font-size: 0.8rem;
  color: #8a8579;
}

@media (min-width: 720px) {
  .footer-inner { flex-direction: row; align-items: center; justify-content: space-between; }
}