/* ============================================
   Kohei Okumura - Personal Site
   Theme: Dark / Electric / Deep Tech
   ============================================ */

:root {
  --bg: #07090f;
  --bg-2: #0d1220;
  --surface: #111827;
  --surface-2: #161e2f;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.18);
  --text: #f5f7fa;
  --text-sub: #9aa3b2;
  --text-mute: #5b6477;
  --accent: #00e0ff;
  --accent-2: #7c5cff;
  --gradient: linear-gradient(135deg, #00e0ff 0%, #7c5cff 100%);
  --font-jp: "Noto Sans JP", system-ui, sans-serif;
  --font-en: "Inter", system-ui, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --max: 1180px;
  --pad: clamp(20px, 4vw, 48px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-jp);
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(7, 9, 15, 0.6);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
}
.nav__logo-mark {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: var(--gradient);
  color: #07090f;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 900;
}
.nav__logo-text { font-size: 14px; }
.nav__menu { display: flex; gap: 28px; }
.nav__menu a {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-sub);
  position: relative;
  transition: color .25s;
}
.nav__menu a:hover { color: var(--text); }
.nav__menu a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width .3s;
}
.nav__menu a:hover::after { width: 100%; }
.nav__toggle { display: none; }

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px var(--pad) 80px;
}
.hero__bg {
  position: absolute; inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.45;
}
.hero__glow--1 {
  width: 540px; height: 540px;
  background: #00e0ff;
  top: -120px; right: -100px;
}
.hero__glow--2 {
  width: 480px; height: 480px;
  background: #7c5cff;
  bottom: -160px; left: -80px;
  opacity: 0.5;
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}
@media (min-width: 980px) {
  .hero__inner {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 72px;
  }
}
.hero__text { min-width: 0; }

/* Hero visual: portrait + book card */
.hero__visual {
  position: relative;
  aspect-ratio: 4 / 5;
  max-width: 460px;
  margin: 0 auto;
  width: 100%;
}
.hero__photo {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 40px 100px -20px rgba(0,224,255,0.35),
              0 20px 60px -15px rgba(124,92,255,0.3);
  isolation: isolate;
}
.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.04);
}
.hero__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(7,9,15,0.45));
  pointer-events: none;
}
.hero__photo-frame {
  position: absolute;
  inset: -1px;
  border-radius: 16px;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(0,224,255,0.6), transparent 35%, transparent 65%, rgba(124,92,255,0.6)) border-box;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  padding: 1.5px;
  z-index: 2;
}

/* Floating book card */
.hero__book {
  position: absolute;
  left: -10px;
  bottom: -28px;
  width: min(58%, 240px);
  display: flex;
  align-items: stretch;
  gap: 12px;
  padding: 12px;
  background: rgba(13, 18, 32, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0,224,255,0.3);
  border-radius: 12px;
  box-shadow: 0 20px 60px -10px rgba(0,0,0,0.6);
  text-decoration: none;
  color: var(--text);
  transition: transform .3s, border-color .3s;
  z-index: 3;
}
.hero__book:hover { transform: translateY(-4px); border-color: var(--accent); }
.hero__book img {
  width: 56px;
  height: auto;
  flex-shrink: 0;
  border-radius: 4px;
  box-shadow: 0 6px 16px -6px rgba(0,0,0,0.7);
  align-self: center;
}
.hero__book-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.hero__book-label {
  font-family: var(--font-en);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--accent);
}
.hero__book-info strong {
  font-size: 11px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}
.hero__book-meta {
  font-family: var(--font-en);
  font-size: 9.5px;
  color: var(--text-mute);
  letter-spacing: 0.04em;
}

/* Floating tags */
.hero__photo-tag {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(13, 18, 32, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
  z-index: 3;
  white-space: nowrap;
}
.hero__photo-tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}
.hero__photo-tag--1 {
  top: 24px; right: -16px;
  border-color: rgba(0,224,255,0.4);
}
.hero__photo-tag--2 {
  top: 50%;
  left: -28px;
  border-color: rgba(124,92,255,0.4);
}
.hero__photo-tag--2 .hero__photo-tag-dot { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }

@media (max-width: 720px) {
  .hero__photo-tag--1 { right: 12px; top: 12px; font-size: 10px; padding: 6px 10px; }
  .hero__photo-tag--2 { left: 12px; top: auto; bottom: 80px; font-size: 10px; padding: 6px 10px; }
  .hero__book { left: 50%; transform: translateX(-50%); bottom: -36px; width: 86%; }
  .hero__book:hover { transform: translateX(-50%) translateY(-4px); }
}

.hero__eyebrow {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--accent);
  margin: 0 0 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.hero__eyebrow::before {
  content: "";
  width: 36px; height: 1px;
  background: var(--accent);
  display: inline-block;
}
.hero__title {
  margin: 0;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.hero__title-jp {
  display: block;
  font-family: var(--font-jp);
  font-size: clamp(48px, 9vw, 112px);
}
.hero__title-aka {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  padding: 6px 16px 6px 14px;
  border: 1px solid rgba(0, 224, 255, 0.4);
  background: rgba(0, 224, 255, 0.06);
  border-radius: 999px;
  font-family: var(--font-jp);
  font-size: clamp(14px, 1.6vw, 18px);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-sub);
}
.hero__title-aka strong {
  margin-left: 6px;
  font-weight: 900;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.04em;
}
.hero__title-en {
  display: block;
  margin-top: 12px;
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 36px);
  font-weight: 500;
  letter-spacing: 0.02em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead {
  margin: 36px 0 44px;
  max-width: 640px;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 2;
  color: var(--text-sub);
}
.hero__br-pc { display: none; }
@media (min-width: 768px) { .hero__br-pc { display: inline; } }
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-sub);
}
.hero__meta span { position: relative; }
.hero__meta span::before {
  content: "■";
  margin-right: 10px;
  color: var(--accent);
  font-size: 8px;
  vertical-align: middle;
}
.hero__scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 1;
}
.hero__scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, transparent, var(--accent));
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  animation: scrollDot 2.4s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}
.hero__scroll-text {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--text-mute);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform .25s, box-shadow .25s, background .25s, color .25s;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--gradient);
  color: #07090f;
  box-shadow: 0 0 0 0 rgba(0, 224, 255, 0.4);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px -12px rgba(0, 224, 255, 0.6);
}
.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.btn--lg { padding: 18px 44px; font-size: 15px; }

/* ============================================
   Section common
   ============================================ */
.section {
  position: relative;
  padding: clamp(80px, 12vw, 140px) var(--pad);
}
.section--alt { background: var(--bg-2); }
.section__inner { max-width: var(--max); margin: 0 auto; }
.section__head { margin-bottom: 64px; }
.section__head--center { text-align: center; }
.section__num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--accent);
  margin: 0 0 12px;
}
.section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.section__sub {
  margin: 16px 0 0;
  font-size: 15px;
  color: var(--text-sub);
}

/* ============================================
   About
   ============================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
}
@media (min-width: 880px) {
  .about__grid { grid-template-columns: 1fr 1.4fr; gap: 72px; }
}
.about__intro {
  position: relative;
  padding: 32px;
  background: linear-gradient(135deg, rgba(0,224,255,0.04), rgba(124,92,255,0.04));
  border: 1px solid var(--border);
  border-radius: 16px;
  align-self: start;
}
.about__intro::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--gradient);
  border-radius: 16px 0 0 16px;
}
.about__quote {
  margin: 0;
  font-family: var(--font-jp);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--text);
}
.about__quote span {
  font-family: var(--font-display);
  font-size: 1.6em;
  line-height: 0;
  color: var(--accent);
  font-weight: 700;
  vertical-align: -0.1em;
  margin: 0 0.1em;
}
.about__body p { margin: 0 0 20px; color: var(--text-sub); }
.about__body p:first-child { color: var(--text); font-size: 17px; line-height: 2; }
.about__facts {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  border-top: 1px solid var(--border);
}
.about__facts li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.about__facts li span:first-child {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
  padding-top: 4px;
}
.about__facts li span:last-child { color: var(--text-sub); }

/* ============================================
   Roles
   ============================================ */
.roles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 720px) { .roles { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) {
  .roles { grid-template-columns: repeat(4, 1fr); }
  .role-card--primary { grid-column: span 2; }
}
.role-card {
  position: relative;
  padding: 32px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: transform .3s, border-color .3s, background .3s;
  overflow: hidden;
}
.role-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s;
}
.role-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.role-card:hover::before { transform: scaleX(1); }
.role-card--primary {
  background: linear-gradient(135deg, rgba(0,224,255,0.06), rgba(124,92,255,0.06)), var(--surface);
  border-color: rgba(0,224,255,0.25);
}
.role-card--primary::before { transform: scaleX(1); }
.role-card__org {
  margin: 0 0 12px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--accent);
  text-transform: uppercase;
}
.role-card__title {
  margin: 0 0 16px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}
.role-card__desc {
  margin: 0;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
}
.role-card__link {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
}

/* ============================================
   Persona / 弁理士おっくん
   ============================================ */
.section--persona {
  background:
    radial-gradient(ellipse at 20% 10%, rgba(124,92,255,0.18), transparent 55%),
    radial-gradient(ellipse at 90% 90%, rgba(0,224,255,0.14), transparent 55%),
    var(--bg);
  position: relative;
  overflow: hidden;
}
.section--persona::before {
  content: "OKKUN";
  position: absolute;
  top: 50%;
  left: -2%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(180px, 28vw, 360px);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: rgba(255,255,255,0.025);
  pointer-events: none;
  white-space: nowrap;
  line-height: 1;
}
.persona {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.persona + .persona {
  margin-top: 96px;
  padding-top: 96px;
  border-top: 1px solid var(--border);
}
@media (min-width: 880px) {
  .persona--why { grid-template-columns: 0.85fr 1fr; gap: 80px; }
  .persona--welcome { grid-template-columns: 1fr 0.85fr; gap: 80px; }
}
.persona__visual {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--border-strong);
  box-shadow: 0 30px 80px -20px rgba(0,224,255,0.25);
}
.persona__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.1) contrast(1.04);
}
.persona__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(7,9,15,0.6));
  pointer-events: none;
}
.persona__badge {
  position: absolute;
  top: 18px; left: 18px;
  z-index: 2;
  padding: 6px 14px;
  background: var(--gradient);
  color: #07090f;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
  border-radius: 999px;
}
.persona__body p { color: var(--text-sub); margin: 0 0 18px; }
.persona__tagline {
  font-family: var(--font-jp);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  margin: 16px 0 28px !important;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  letter-spacing: 0.04em;
}
.persona__body em {
  font-style: normal;
  color: var(--text);
  font-weight: 700;
}
.persona__body strong { color: var(--text); }
.persona__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}
.persona__tags span {
  padding: 6px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text-sub);
}

.persona__visual--radio {
  aspect-ratio: 1 / 1;
}
.persona__visual--radio .persona__photo {
  filter: saturate(1.1) contrast(1.05) brightness(1.02);
}
.persona__badge--radio {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ff3a5c;
  color: #fff;
  letter-spacing: 0.2em;
}
.persona__badge--radio::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #fff;
  animation: pulse 1.4s ease-in-out infinite;
}

.persona__body--welcome { order: 1; }
.persona--welcome .persona__visual { order: 2; }
@media (min-width: 880px) {
  .persona__body--welcome { order: 0; }
  .persona--welcome .persona__visual { order: 0; }
}
.persona__label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--accent);
  margin: 0 0 16px !important;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.persona__label::before {
  content: "";
  width: 36px; height: 1px;
  background: var(--accent);
}
.persona__welcome-title {
  font-family: var(--font-jp);
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 900;
  line-height: 1.45;
  letter-spacing: 0.02em;
  margin: 0 0 24px;
  color: var(--text);
}
.persona__welcome-list {
  list-style: none;
  margin: 28px 0 32px;
  padding: 0;
  display: grid;
  gap: 14px;
}
.persona__welcome-list li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 18px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  border-radius: 4px;
  align-items: center;
}
.persona__welcome-list li strong {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.persona__welcome-list li span {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
}
.persona__welcome-cta { margin-top: 8px; }
@media (max-width: 720px) {
  .persona__welcome-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

/* ============================================
   Media
   ============================================ */
.media-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 640px) { .media-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .media-grid { grid-template-columns: repeat(3, 1fr); } }
.media-card {
  position: relative;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: transform .3s, border-color .3s;
  display: block;
  overflow: hidden;
}
.media-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.media-card--feature {
  background:
    linear-gradient(135deg, rgba(0,224,255,0.08), rgba(124,92,255,0.08)),
    var(--surface);
  border-color: rgba(0,224,255,0.3);
}
@media (min-width: 980px) {
  .media-card--feature { grid-column: span 2; grid-row: span 2; }
  .media-card--feature .media-card__title { font-size: 24px; }
}
.media-card__sub {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-mute);
}
.media-card__type {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(0,224,255,0.1);
  border: 1px solid rgba(0,224,255,0.3);
  color: var(--accent);
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  border-radius: 4px;
  margin-bottom: 18px;
}
.media-card__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}
.media-card__meta {
  margin: 0;
  font-size: 13px;
  color: var(--text-sub);
}
.media-card__arrow {
  position: absolute;
  top: 28px; right: 28px;
  font-size: 18px;
  color: var(--text-mute);
  transition: transform .3s, color .3s;
}
.media-card:hover .media-card__arrow {
  color: var(--accent);
  transform: translate(4px, -4px);
}

/* ============================================
   Works
   ============================================ */
.works {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 880px) { .works { grid-template-columns: repeat(3, 1fr); gap: 56px; } }
.works__title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.book {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 16px;
  align-items: center;
  transition: transform .25s, border-color .25s;
}
.book:hover { transform: translateY(-2px); border-color: var(--accent); }
.book img {
  width: 100%;
  border-radius: 4px;
  box-shadow: 0 6px 20px -8px rgba(0,0,0,0.6);
}
.book__info strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 6px;
}
.book__info span {
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--text-sub);
  letter-spacing: 0.04em;
}

.works__list { list-style: none; padding: 0; margin: 0; }
.works__list li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}
.works__year {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-mute);
  padding-top: 4px;
}
.works__list p { margin: 0; font-size: 14px; color: var(--text-sub); line-height: 1.7; }
.works__list strong { color: var(--text); font-weight: 700; }

/* ============================================
   Contact / Socials
   ============================================ */
.section--contact {
  background:
    radial-gradient(ellipse at top, rgba(124,92,255,0.15), transparent 60%),
    radial-gradient(ellipse at bottom, rgba(0,224,255,0.12), transparent 60%),
    var(--bg);
}
.contact__cta {
  display: flex;
  justify-content: center;
  margin: 48px 0 64px;
}
.socials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 760px;
  margin: 0 auto;
}
@media (min-width: 640px) { .socials { grid-template-columns: repeat(3, 1fr); } }
.social {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  transition: transform .25s, border-color .25s, background .25s;
}
.social:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  background: var(--surface-2);
}
.social svg {
  width: 20px; height: 20px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 36px var(--pad);
  background: var(--bg);
}
.footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer__brand {
  display: flex; align-items: center; gap: 10px;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
}
.footer__mark {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  background: var(--gradient);
  color: #07090f;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 900;
}
.footer__copy {
  margin: 0;
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--text-mute);
  letter-spacing: 0.04em;
}

/* ============================================
   Responsive: mobile menu
   ============================================ */
@media (max-width: 720px) {
  .nav__menu {
    position: fixed;
    inset: 64px 0 auto;
    flex-direction: column;
    gap: 0;
    padding: 24px var(--pad);
    background: rgba(7, 9, 15, 0.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform .3s;
  }
  .nav__menu.is-open { transform: translateY(0); }
  .nav__menu a {
    padding: 16px 0;
    font-size: 15px;
    border-bottom: 1px solid var(--border);
  }
  .nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px; height: 32px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
  }
  .nav__toggle span {
    display: block;
    width: 22px; height: 1.5px;
    background: var(--text);
    transition: transform .25s;
  }
}

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s, transform .8s; }
.reveal.is-visible { opacity: 1; transform: none; }