/* ═══════════════════════════════════════════════════════════
   SHORINRYU BUKENKAN — Student Personal Portfolio CSS
   Theme: Dark Obsidian / Ancient Gold / Ivory
   Fonts: Cinzel · Nunito Sans · Cormorant Garamond
   ═══════════════════════════════════════════════════════════ */

/* ── Colour tokens ── */
:root {
  --gold: #c8a951;
  --gold-lt: #e2c76e;
  --gold-dk: #96792e;
  --gold-glow: rgba(200, 169, 81, 0.3);
  --gold-faint: rgba(200, 169, 81, 0.08);
  --content-max: 1360px;
  --gutter: clamp(18px, 2.4vw, 40px);

  --bg: #080808;
  --bg-2: #101010;
  --bg-3: #161616;
  --bg-4: #1e1e1e;
  --bg-5: #262626;

  --text: #f2ebd9;
  --text-70: rgba(242, 235, 217, 0.7);
  --text-30: rgba(242, 235, 217, 0.3);
  --text-10: rgba(242, 235, 217, 0.1);
  --text-05: rgba(242, 235, 217, 0.05);

  --wa-green: #25d366;

  --ff-display: "Cinzel", serif;
  --ff-body: "Nunito Sans", sans-serif;
  --ff-italic: "Cormorant Garamond", serif;

  --nav-h: 68px;
  --r: 5px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t: 0.5s var(--ease);
}

[data-theme="light"] {
  --gold: #9a7b37;
  --gold-lt: #b8954f;
  --gold-dk: #7a6029;
  --gold-glow: rgba(154, 123, 55, 0.25);
  --gold-faint: rgba(154, 123, 55, 0.08);

  --bg: #faf8f3;
  --bg-2: #f0ece4;
  --bg-3: #e8e4da;
  --bg-4: #ddd8cd;
  --bg-5: #d0cbc0;

  --text: #1a1915;
  --text-70: rgba(26, 25, 21, 0.75);
  --text-30: rgba(26, 25, 21, 0.35);
  --text-10: rgba(26, 25, 21, 0.12);
  --text-05: rgba(26, 25, 21, 0.06);
}

[data-theme="red"] {
  --gold: #c41e3a;
  --gold-lt: #e63946;
  --gold-dk: #9b1b30;
  --gold-glow: rgba(196, 30, 58, 0.3);
  --gold-faint: rgba(196, 30, 58, 0.08);

  --bg: #0a0a0a;
  --bg-2: #141414;
  --bg-3: #1e1e1e;
  --bg-4: #282828;
  --bg-5: #323232;

  --text: #f5f5f5;
  --text-70: rgba(245, 245, 245, 0.7);
  --text-30: rgba(245, 245, 245, 0.3);
  --text-10: rgba(245, 245, 245, 0.1);
  --text-05: rgba(245, 245, 245, 0.05);
}

/* ══════════════════════════════════════
   RESET
══════════════════════════════════════════ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: var(--ff-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition:
    background 0.4s,
    color 0.4s;
}
img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}

.container {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.85s var(--ease),
    transform 0.85s var(--ease);
  transition-delay: var(--d, 0s);
}
.reveal.in {
  opacity: 1;
  transform: none;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition:
    opacity 0.85s var(--ease),
    transform 0.85s var(--ease);
  transition-delay: var(--d, 0s);
}
.reveal-left.in {
  opacity: 1;
  transform: none;
}

/* ── Shared section typography ── */
.sec-eyebrow {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.sec-h2 {
  font-family: var(--ff-display);
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}
.sec-h2 span {
  color: var(--gold);
}
.sec-sub {
  font-size: 0.95rem;
  color: var(--text-70);
  line-height: 1.8;
  max-width: 560px;
}

/* ══════════════════════════════════════
   PRELOADER
══════════════════════════════════════════ */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    opacity 0.5s,
    visibility 0.5s;
}
#preloader.done {
  opacity: 0;
  visibility: hidden;
}
.pc-inner {
  text-align: center;
}
.pc-kanji {
  font-family: var(--ff-display);
  font-size: 3.5rem;
  color: var(--gold);
  opacity: 0;
  animation: fadeInKanji 0.5s ease forwards 0.1s;
  display: block;
  letter-spacing: 0.1em;
}
.pc-name {
  font-family: var(--ff-body);
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-30);
  margin-top: 10px;
  opacity: 0;
  animation: fadeInKanji 0.5s ease forwards 0.3s;
}
.pc-line {
  width: 0;
  height: 1px;
  background: var(--gold);
  margin: 14px auto;
  animation: growLine 0.5s ease forwards 0.5s;
}
.pc-dots {
  display: flex;
  gap: 7px;
  justify-content: center;
  margin-top: 12px;
}
.pc-dots span {
  width: 5px;
  height: 5px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0;
  animation: dotPulse 0.7s ease infinite;
}
.pc-dots span:nth-child(2) {
  animation-delay: 0.15s;
}
.pc-dots span:nth-child(3) {
  animation-delay: 0.3s;
}
@keyframes fadeInKanji {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes growLine {
  to {
    width: 56px;
  }
}
@keyframes dotPulse {
  0%,
  100% {
    opacity: 0.2;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.4);
  }
}

/* Custom Navbar removed to use global */

/* ══════════════════════════════════════
   HERO — full-bleed split portrait layout
══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  overflow: hidden;
  background: var(--bg);
}

/* Left panel — text */
.hero-text-panel {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--nav-h) + 60px) clamp(24px, 3vw, 48px) 80px var(--gutter);
  width: 100%;
  max-width: none;
  margin: 0;
}
@media (max-width: 1120px) {
  .hero-text-panel {
    padding-left: var(--gutter);
  }
}

/* Right panel — portrait */
.hero-img-panel {
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.hero-img-panel img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 50%;
  transform: none;
}
.hero-img-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    270deg,
    rgba(8, 8, 8, 0) 20%,
    rgba(8, 8, 8, 0.4) 70%,
    rgba(8, 8, 8, 0.85) 100%
  );
}

/* Decorative vertical gold line */
.hero-text-panel::after {
  content: "";
  position: absolute;
  right: 0;
  top: 20%;
  bottom: 20%;
  width: 1px;
  background: linear-gradient(
    180deg,
    transparent,
    var(--gold-faint) 40%,
    var(--gold-faint) 60%,
    transparent
  );
}

.hero-eyebrow {
  font-family: var(--ff-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 22px;
  opacity: 0;
  animation: heroIn 0.9s var(--ease) forwards 0.2s;
  display: flex;
  align-items: center;
  gap: 14px;
}
.hero-eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
}

.hero-h1 {
  font-family: var(--ff-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 0.96;
  margin-bottom: 6px;
  opacity: 0;
  animation: heroIn 0.9s var(--ease) forwards 0.35s;
}
.h1-first {
  display: block;
  font-size: clamp(3rem, 7vw, 6.5rem);
  color: var(--text);
}
.h1-last {
  display: block;
  font-size: clamp(3rem, 7vw, 6.5rem);
  color: var(--gold);
}

.hero-title-line {
  font-family: var(--ff-italic);
  font-style: italic;
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  color: #000;
  letter-spacing: 0.12em;
  margin-bottom: 28px;
  display: block;
  opacity: 0;
  animation: heroIn 0.9s var(--ease) forwards 0.5s;
  font-weight: 300;
}

.hero-belt-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gold-faint);
  border: 1px solid rgba(200, 169, 81, 0.22);
  padding: 8px 18px;
  border-radius: 3px;
  margin-bottom: 28px;
  opacity: 0;
  animation: heroIn 0.9s var(--ease) forwards 0.62s;
}
.hbb-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bc, var(--gold));
  flex-shrink: 0;
}
.hbb-text {
  font-family: var(--ff-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-70);
}

.hero-para {
  font-family: var(--ff-italic);
  font-style: italic;
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-70);
  line-height: 1.85;
  max-width: 440px;
  margin-bottom: 40px;
  font-weight: 300;
  opacity: 0;
  animation: heroIn 0.9s var(--ease) forwards 0.72s;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  opacity: 0;
  animation: heroIn 0.9s var(--ease) forwards 0.85s;
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--gold);
  color: #0a0a0a;
  font-family: var(--ff-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 15px 32px;
  border-radius: var(--r);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.btn-gold::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-102%);
  transition: transform 0.4s ease;
}
.btn-gold:hover::before {
  transform: translateX(0);
}
.btn-gold:hover {
  background: var(--gold-lt);
  box-shadow: 0 0 28px var(--gold-glow);
  transform: translateY(-2px);
}
.btn-gold .arr {
  transition: transform 0.3s;
}
.btn-gold:hover .arr {
  transform: translateX(4px);
}

/* Scroll cue */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: calc((100vw - 1120px) / 2 + 28px);
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
  animation: heroIn 0.9s var(--ease) forwards 1.1s;
}
@media (max-width: 1120px) {
  .hero-scroll {
    left: var(--gutter);
  }
}
.hs-line {
  width: 1px;
  height: 44px;
  background: linear-gradient(180deg, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
.hs-label {
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-30);
  writing-mode: vertical-lr;
}
@keyframes heroIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
@keyframes scrollPulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

/* Floating kanji deco */
.hero-kanji-deco {
  position: absolute;
  right: 6%;
  bottom: 10%;
  z-index: 3;
  font-family: var(--ff-italic);
  font-size: 7rem;
  color: var(--gold);
  opacity: 0.08;
  pointer-events: none;
  font-style: italic;
  line-height: 1;
  animation: kanjiFloat 4s ease-in-out infinite;
}
@keyframes kanjiFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

/* ══════════════════════════════════════
   ABOUT ME
══════════════════════════════════════════ */
.about {
  padding: 110px var(--gutter);
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}
.about::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: radial-gradient(
    ellipse at 100% 50%,
    rgba(200, 169, 81, 0.04),
    transparent 70%
  );
  pointer-events: none;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-left .sec-sub {
  max-width: 100%;
  margin-top: 18px;
}
.about-quote {
  margin-top: 32px;
  padding: 22px 24px;
  border-left: 2px solid var(--gold);
  background: var(--gold-faint);
  border-radius: 0 var(--r) var(--r) 0;
}
.about-quote blockquote {
  font-family: var(--ff-italic);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text-70);
  line-height: 1.75;
  font-weight: 300;
}
.about-quote cite {
  display: block;
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-40);
  margin-top: 10px;
}

.about-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.about-stat-row {
  display: flex;
  gap: 16px;
}
.astat {
  flex: 1;
  background: var(--bg-3);
  border: 1px solid var(--text-10);
  border-radius: var(--r);
  padding: 24px 20px;
  text-align: center;
  transition:
    border-color 0.3s,
    transform 0.3s;
}
.astat:hover {
  border-color: rgba(200, 169, 81, 0.25);
  transform: translateY(-3px);
}
.astat-num {
  font-family: var(--ff-display);
  font-size: 2rem;
  color: var(--gold);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 6px;
}
.astat-lbl {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #868686;
}
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.about-tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-70);
  background: var(--text-05);
  border: 1px solid var(--text-10);
  padding: 6px 16px;
  border-radius: 3px;
  transition: all 0.3s;
}
.about-tag:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-faint);
}
.about-dojo-note {
  background: var(--bg-3);
  border: 1px solid var(--text-10);
  border-radius: var(--r);
  padding: 20px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.adn-icon {
  color: var(--gold);
  flex-shrink: 0;
}
.adn-text {
  font-size: 0.82rem;
  color: var(--text-70);
  line-height: 1.55;
  font-weight: 300;
}
.adn-text strong {
  color: var(--text);
  font-weight: 600;
}
.adn-text a {
  color: var(--gold);
  text-decoration: underline;
  transition: color 0.3s;
}
.adn-text a:hover {
  color: var(--gold-lt);
}

/* ══════════════════════════════════════
   JOURNEY — Timeline
══════════════════════════════════════════ */
.journey {
  padding: 110px var(--gutter);
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.journey-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 120px,
    var(--gold-faint) 120px,
    var(--gold-faint) 121px
  );
  opacity: 0.5;
}

.journey-inner {
  max-width: 800px;
}
.journey-inner .sec-sub {
  margin-top: 12px;
}

.timeline {
  position: relative;
  margin-top: 56px;
  padding-left: 28px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, var(--text-10) 100%);
}

.tl-item {
  position: relative;
  margin-bottom: 8px;
  padding-left: 40px;
  padding-bottom: 48px;
}
.tl-item:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
}

/* Timeline node */
.tl-node {
  position: absolute;
  left: -8px;
  top: 20px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--bg-3);
  border: 2px solid var(--text-10);
  transition: all 0.4s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tl-item.current .tl-node {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow:
    0 0 0 5px var(--gold-faint),
    0 0 20px var(--gold-glow);
}
.tl-item.current .tl-node::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
}
.tl-item:hover .tl-node {
  border-color: var(--gold);
}

.tl-card {
  background: var(--bg-3);
  border: 1px solid var(--text-10);
  border-radius: var(--r);
  padding: 24px 26px;
  transition:
    border-color 0.35s,
    box-shadow 0.35s,
    transform 0.35s;
  position: relative;
  overflow: hidden;
}
.tl-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.tl-card:hover {
  border-color: rgba(200, 169, 81, 0.25);
  transform: translateX(4px);
  box-shadow: 0 6px 32px rgba(0, 0, 0, 0.4);
}
.tl-card:hover::before {
  transform: scaleX(1);
}

.tl-item.current .tl-card {
  border-color: rgba(200, 169, 81, 0.3);
  background: linear-gradient(135deg, var(--bg-3), rgba(200, 169, 81, 0.06));
}

.tl-year {
  font-family: var(--ff-display);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
  display: block;
}
.tl-card h3 {
  font-family: var(--ff-display);
  font-size: 0.98rem;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.tl-card p {
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--text-70);
  font-weight: 300;
}
.tl-belt {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #868686;
}
.tl-belt-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bc, var(--text-30));
}
.tl-now {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: var(--gold);
  color: #0a0a0a;
  padding: 3px 10px;
  border-radius: 2px;
  margin-left: 8px;
  vertical-align: middle;
}

/* ══════════════════════════════════════
   TRAINING / SKILLS
══════════════════════════════════════════ */
.training {
  padding: 110px var(--gutter);
  background: var(--bg-2);
}

.training-header {
  margin-bottom: 56px;
}
.training-header .sec-sub {
  margin-top: 12px;
}

.training-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.skill-block {
  background: var(--bg-3);
  border: 1px solid var(--text-10);
  border-radius: var(--r);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition:
    border-color 0.35s,
    transform 0.35s,
    box-shadow 0.35s;
}
.skill-block:hover {
  border-color: rgba(200, 169, 81, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.45);
}

.skill-block::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-faint), transparent);
}

.sb-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}
.sb-icon {
  color: var(--gold);
}
.sb-head h3 {
  font-family: var(--ff-display);
  font-size: 0.9rem;
  color: var(--text);
  letter-spacing: 0.06em;
}

.skill-list {
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.skill-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.83rem;
  color: var(--text-70);
  font-weight: 300;
}
.si-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
  opacity: 0.7;
}
.si-note {
  font-size: 0.8rem;
  color: #323232;
  margin-left: auto;
  letter-spacing: 0.04em;
  font-style: italic;
  font-family: var(--ff-italic);
}

/* Strength bars */
.skill-bars {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.sbar-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 0.76rem;
  color: var(--text-70);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.sbar-pct {
  color: var(--gold);
  font-family: var(--ff-display);
  font-size: 0.7rem;
}
.sbar-track {
  height: 3px;
  background: var(--text-05);
  border-radius: 2px;
  overflow: hidden;
}
.sbar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-dk), var(--gold));
  border-radius: 2px;
  width: 0;
  transition: width 1.2s var(--ease);
}
.sbar-fill.animated {
  width: var(--pct);
}

/* ══════════════════════════════════════
   ACHIEVEMENTS
══════════════════════════════════════════ */
.achievements {
  padding: 110px var(--gutter);
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.achievements::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 50% 0%,
    rgba(200, 169, 81, 0.05),
    transparent 65%
  );
  pointer-events: none;
}

.ach-header {
  margin-bottom: 56px;
}
.ach-header .sec-sub {
  margin-top: 12px;
}

.ach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.ach-card {
  background: var(--bg-3);
  border: 1px solid var(--text-10);
  border-radius: var(--r);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  transition:
    border-color 0.35s,
    transform 0.35s,
    box-shadow 0.35s;
  transition-delay: calc(var(--ai, 0) * 0.06s);
}
.ach-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-lt));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.ach-card:hover {
  border-color: rgba(200, 169, 81, 0.25);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}
.ach-card:hover::before {
  transform: scaleX(1);
}

.ac-icon {
  width: 40px;
  height: 40px;
  color: var(--gold);
  margin-bottom: 16px;
  opacity: 0.85;
  transition:
    transform 0.4s var(--ease),
    opacity 0.4s;
}
.ach-card:hover .ac-icon {
  transform: scale(1.1) rotate(-5deg);
  opacity: 1;
}
.ac-icon svg {
  width: 100%;
  height: 100%;
}

.ac-year {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}
.ach-card h3 {
  font-family: var(--ff-display);
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.ach-card p {
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--text-50);
  font-weight: 300;
}

.ac-bg-num {
  position: absolute;
  bottom: 8px;
  right: 14px;
  font-family: var(--ff-italic);
  font-size: 5rem;
  color: var(--text);
  opacity: 0.03;
  line-height: 1;
  pointer-events: none;
  font-style: italic;
}

/* ══════════════════════════════════════
   PHILOSOPHY
══════════════════════════════════════════ */
.philosophy {
  position: relative;
  padding: 110px var(--gutter);
  overflow: hidden;
  background: var(--bg-3);
}
.philosophy::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at 50% 50%,
    rgba(200, 169, 81, 0.06),
    transparent 70%
  );
  pointer-events: none;
}

.phil-inner {
  max-width: 800px;
  margin-inline: auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.phil-kanji {
  font-family: var(--ff-italic);
  font-size: 8rem;
  font-style: italic;
  color: var(--gold);
  opacity: 0.1;
  line-height: 1;
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  user-select: none;
  animation: kanjiFloat 5s ease-in-out infinite;
}

.phil-title {
  font-family: var(--ff-display);
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.06em;
  line-height: 1.2;
  margin-bottom: 28px;
  position: relative;
}
.phil-title span {
  color: var(--gold);
}

.phil-quotes {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}
.phil-q {
  background: var(--bg-4);
  border: 1px solid var(--text-10);
  border-radius: var(--r);
  padding: 28px 32px;
  position: relative;
  transition:
    border-color 0.3s,
    transform 0.3s;
}
.phil-q:hover {
  border-color: rgba(200, 169, 81, 0.2);
  transform: translateY(-2px);
}

.pq-quote {
  font-family: var(--ff-italic);
  font-style: italic;
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-90);
  line-height: 1.8;
  font-weight: 300;
}
.pq-attr {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-50);
  margin-top: 12px;
  display: block;
}
.pq-num {
  position: absolute;
  top: 12px;
  right: 16px;
  font-family: var(--ff-display);
  font-size: 1.8rem;
  color: var(--gold);
  opacity: 0.1;
  font-weight: 700;
}

.phil-personal {
  font-family: var(--ff-italic);
  font-style: italic;
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  color: var(--text- 50);
  line-height: 1.9;
  font-weight: 300;
}

/* Custom footer removed to use global */

/* Back to top */
.btt {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 800;
  width: 40px;
  height: 40px;
  background: var(--bg-4);
  border: 1px solid var(--text-10);
  color: var(--text-30);
  border-radius: var(--r);
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all 0.35s;
  transform: translateY(10px);
}
.btt.show {
  opacity: 1;
  pointer-events: all;
  transform: none;
}
.btt:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #0a0a0a;
}

/* Selection & focus */
::selection {
  background: var(--gold);
  color: #0a0a0a;
}
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ══════════════════════════════════════
   RESPONSIVE — 1024px
═════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: 100svh;
    align-items: start;
    position: relative;
  }
  .hero-img-panel {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
  }
  .hero-img-panel img {
    object-fit: cover;
    object-position: center top;
  }
  .hero-img-panel::after {
    background: linear-gradient(
      180deg,
      rgba(8, 8, 8, 0.08) 0%,
      rgba(8, 8, 8, 0.18) 22%,
      rgba(8, 8, 8, 0.72) 62%,
      rgba(8, 8, 8, 0.92) 100%
    );
  }
  .hero-text-panel {
    position: relative;
    z-index: 2;
    min-height: 100svh;
    justify-content: flex-end;
    padding: calc(var(--nav-h) + 42px) var(--gutter) 40px;
  }
  .hero-text-panel::after {
    display: none;
  }
  .hero-scroll {
    left: var(--gutter);
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .training-grid {
    grid-template-columns: 1fr;
  }
  .ach-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about {
    padding: 80px var(--gutter);
  }
  .journey {
    padding: 80px var(--gutter);
  }
  .achievements {
    padding: 80px var(--gutter);
  }
  .training {
    padding: 80px var(--gutter);
  }
  .philosophy {
    padding: 80px var(--gutter);
  }
}

/* ══════════════════════════════════════
   RESPONSIVE — 768px
══════════════════════════════════════ */
@media (max-width: 768px) {
  :root {
    --nav-h: 60px;
  }

  .burger {
    display: flex;
  }
  .nav-menu {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: #080808;
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 16px 0 28px;
    border-bottom: 1px solid rgba(200, 169, 81, 0.12);
    z-index: 9998;
  }
  [data-theme="light"] .nav-menu {
    background: #faf8f3;
  }
  .nav-menu.open {
    display: flex !important;
  }
  .nm-link {
    padding: 13px var(--gutter);
    font-size: 0.8rem;
    color: #f2ebd9;
    opacity: 1;
    visibility: visible !important;
    pointer-events: auto !important;
  }
  [data-theme="light"] .nm-link {
    color: #1a1915;
  }
  .nm-link::after {
    display: none;
  }

  .nm-link.highlight {
    margin: 8px var(--gutter);
    text-align: center;
    visibility: visible !important;
    pointer-events: auto !important;
  }

  .ach-grid {
    grid-template-columns: 1fr;
  }
  .about-stat-row {
    flex-direction: column;
    gap: 10px;
  }
  .timeline {
    padding-left: 20px;
  }
  .tl-item {
    padding-left: 28px;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
  .hero-kanji-deco {
    display: none;
  }

  .about-dojo-note {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
  .about-stat-row {
    flex-direction: column;
  }
  .astat {
    width: 100%;
  }
  .about-tags {
    justify-content: center;
  }

  .hero {
    min-height: 100svh;
    align-items: end;
  }
  .hero-text-panel {
    min-height: 100svh;
    justify-content: flex-end;
    padding: calc(var(--nav-h) + 22px) var(--gutter) 28px;
  }
  .hero-text-panel::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    top: 40%;
    background: linear-gradient(
      180deg,
      rgba(8, 8, 8, 0) 0%,
      rgba(8, 8, 8, 0.48) 30%,
      rgba(8, 8, 8, 0.85) 65%,
      rgba(8, 8, 8, 0.96) 100%
    );
    pointer-events: none;
  }
  .hero-text-panel > * {
    position: relative;
    z-index: 1;
  }
  .hero-eyebrow {
    margin-bottom: 14px;
    font-size: 0.6rem;
    letter-spacing: 0.22em;
    gap: 10px;
  }
  .hero-eyebrow::before {
    width: 24px;
  }
  .hero-h1 {
    line-height: 1;
    margin-bottom: 10px;
  }
  .h1-first {
    font-size: clamp(2.5rem, 11vw, 4rem);
    color: #fff;
  }
  .h1-last {
    font-size: clamp(2.5rem, 11vw, 4rem);
  }
  .hero-title-line {
    font-size: 0.88rem;
    line-height: 1.6;
    letter-spacing: 0.08em;
    color: rgba(242, 235, 217, 0.82);
    margin-bottom: 18px;
  }
  .hero-belt-badge {
    display: inline-flex;
    align-items: center;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    text-align: left;
    margin-bottom: 18px;
    padding: 10px 14px;
    background: rgba(200, 169, 81, 0.1);
    border-color: rgba(200, 169, 81, 0.22);
  }
  .hbb-text {
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    color: #fff;
  }
  .hero-para {
    font-size: 0.94rem;
    line-height: 1.78;
    max-width: 100%;
    margin-bottom: 24px;
    color: rgba(242, 235, 217, 0.88);
  }
  .hero-actions {
    width: 100%;
    max-width: 320px;
  }
  .btn-gold {
    width: 100%;
    justify-content: center;
    padding: 16px 22px;
    border-radius: 14px;
    letter-spacing: 0.14em;
  }
  .hero-scroll {
    display: none;
  }

  .sec-h2 {
    font-size: clamp(1.6rem, 6vw, 2.4rem);
  }
  .sec-sub {
    font-size: 0.9rem;
  }
  .sec-eyebrow {
    font-size: 0.6rem;
  }

  .skill-block {
    padding: 20px 16px;
  }
  .skill-item {
    font-size: 0.75rem;
    flex-wrap: wrap;
  }
  .si-note {
    margin-left: 0;
    margin-top: 4px;
    width: 100%;
    text-align: left;
  }

  .phil-q {
    padding: 20px 16px;
  }
  .phil-quotes {
    gap: 16px;
  }
  .phil-kanji {
    font-size: 5rem;
  }

  .about,
  .journey,
  .achievements,
  .training,
  .philosophy {
    padding: 60px var(--gutter);
  }
  .about-grid {
    gap: 32px;
  }
  .journey-inner .sec-h2,
  .ach-header .sec-h2,
  .training-header .sec-h2 {
    text-align: center;
  }
  .footer {
    padding: 28px var(--gutter) calc(28px + env(safe-area-inset-bottom));
    background: var(--bg-2);
  }
  .footer-inner {
    gap: 12px;
  }
  .ft-copy,
  .ft-brand,
  .ft-link,
  .ft-back {
    color: var(--text-70);
    width: 100%;
  }
  .ft-link,
  .ft-back {
    text-align: center;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-text-panel {
    padding: calc(var(--nav-h) + 18px) 16px 22px;
  }
  .hero-text-panel::before {
    top: 45%;
  }
  .h1-first,
  .h1-last {
    font-size: clamp(2.2rem, 13vw, 3.3rem);
  }
  .hero-title-line {
    font-size: 0.8rem;
  }
  .hero-para {
    font-size: 0.88rem;
  }
  .hero-actions {
    flex-direction: column;
    max-width: 260px;
  }
  .hero-actions a {
    text-align: center;
    justify-content: center;
    width: 100%;
  }

  .about-stat-row {
    gap: 8px;
  }
  .astat {
    padding: 16px 12px;
  }
  .astat-num {
    font-size: 1.5rem;
  }
  .astat-lbl {
    font-size: 0.55rem;
  }

  .about-tag {
    font-size: 0.6rem;
    padding: 4px 10px;
  }
  .about-quote {
    padding: 16px;
  }
  .about-quote blockquote {
    font-size: 0.9rem;
  }

  .tl-card {
    padding: 16px;
  }
  .tl-card h3 {
    font-size: 0.85rem;
  }
  .tl-card p {
    font-size: 0.75rem;
  }
  .tl-year {
    font-size: 0.55rem;
  }
  .tl-belt {
    font-size: 0.55rem;
  }

  .ach-card {
    padding: 20px 16px;
  }
  .ach-card h3 {
    font-size: 0.8rem;
  }
  .ach-card p {
    font-size: 0.75rem;
  }
  .ac-year {
    font-size: 0.5rem;
  }

  .training-grid {
    gap: 16px;
  }
  .sb-head h3 {
    font-size: 0.8rem;
  }

  .phil-personal {
    font-size: 0.85rem;
  }
  .pq-quote {
    font-size: 0.9rem;
  }
  .pq-attr {
    font-size: 0.55rem;
  }

  .footer {
    padding: 24px var(--gutter);
  }
  .ft-copy,
  .ft-brand,
  .ft-link {
    font-size: 0.65rem;
  }
  .ft-back {
    font-size: 0.6rem;
  }

  .btt {
    width: 36px;
    height: 36px;
    bottom: 20px;
    right: 20px;
  }

  .sbar-label {
    font-size: 0.7rem;
  }
  .sbar-pct {
    font-size: 0.6rem;
  }
}

/* ══════════════════════════════════════
   RESPONSIVE — 768px
══════════════════════════════════════════ */
@media (max-width: 768px) {
  :root {
    --nav-h: 60px;
  }

  .burger {
    display: flex;
  }
  .nav-menu {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: #080808;
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 16px 0 28px;
    border-bottom: 1px solid rgba(200, 169, 81, 0.12);
    z-index: 9998;
  }
  [data-theme="light"] .nav-menu {
    background: #faf8f3;
  }
  .nav-menu.open {
    display: flex !important;
  }
  .nm-link {
    padding: 13px var(--gutter);
    font-size: 0.8rem;
    color: #f2ebd9;
    opacity: 1;
    visibility: visible !important;
    pointer-events: auto !important;
  }
  .nm-link.highlight {
    margin: 8px var(--gutter);
    text-align: center;
    visibility: visible !important;
    pointer-events: auto !important;
  }

  .ach-grid {
    grid-template-columns: 1fr;
  }
  .about-stat-row {
    gap: 10px;
  }
  .timeline {
    padding-left: 20px;
  }
  .tl-item {
    padding-left: 28px;
  }
  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
  .hero-kanji-deco {
    display: none;
  }
}

@media (max-width: 480px) {
  .h1-first,
  .h1-last {
    font-size: clamp(2.6rem, 13vw, 4rem);
  }
  .hero-actions {
    flex-direction: column;
    max-width: 260px;
  }
  .hero-actions a {
    text-align: center;
    justify-content: center;
  }
}