/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   Aoki Tech Studio — style.css
   ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

/* ─── Smooth scroll ──────────────────────────────────── */
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* ─── Utility ────────────────────────────────────────── */
.br-pc { display: block; }
@media (max-width: 768px) { .br-pc { display: none; } }
.nobr { white-space: nowrap; }

/* ─── Variables ──────────────────────────────────────── */
:root {
  --color-bg: #f4f1ea;
  --color-surface: #fbf9f3;
  --color-text: #142126;
  --color-muted: #6b7a80;
  --color-line: #ddd8cc;
  --color-accent: #c96d43;
  --color-accent-dark: #9f5432;
  --container: 1120px;
  --gutter: 24px;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── Base ───────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at top left, rgba(201, 109, 67, 0.1), transparent 28%),
    linear-gradient(180deg, #f7f3eb 0%, #ede9df 100%);
}

/* Noise texture overlay */
body::after {
  content: '';
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  opacity: 0.028;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

.container {
  width: min(var(--container), calc(100% - (var(--gutter) * 2)));
  margin: 0 auto;
}

/* ─── Scroll Animations ──────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-animate="delay-1"] { transition-delay: 0.08s; }
[data-animate="delay-2"] { transition-delay: 0.16s; }
[data-animate="delay-3"] { transition-delay: 0.24s; }
[data-animate="delay-4"] { transition-delay: 0.32s; }
[data-animate="delay-5"] { transition-delay: 0.40s; }

/* ─── Back to Top ─────────────────────────────────────── */
.back-top {
  position: fixed;
  bottom: 36px;
  right: 36px;
  width: 48px;
  height: 48px;
  background: var(--color-text);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 0.4s var(--ease-out),
    transform 0.4s var(--ease-out),
    background-color 0.25s;
  pointer-events: none;
}
.back-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-top:hover { background: var(--color-accent); }

/* ─── Nav active highlight ────────────────────────────── */
.site-nav a:not(.button) {
  position: relative;
}
.site-nav a:not(.button)::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width 0.4s var(--ease-out);
}
.site-nav a:not(.button):hover::after,
.site-nav a:not(.button).is-active::after { width: 100%; }
.site-nav a:not(.button).is-active { color: var(--color-text); }

/* ─── Header ─────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(244, 241, 234, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color 0.3s, background-color 0.3s;
}
.site-header.is-scrolled {
  border-color: var(--color-line);
  background: rgba(251, 249, 243, 0.92);
}
/* ヘッダーCTAボタン — テラコッタカラーを常時適用 */
.site-header .button--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.site-header .button--primary:hover {
  background: #d9825a;
  border-color: #d9825a;
  color: #fff;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.site-logo {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.site-nav {
  display: flex;
  gap: 28px;
}
.site-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
.site-nav a:hover { color: var(--color-text); }
.menu-toggle {
  display: none;
  border: 1px solid var(--color-line);
  background: transparent;
  padding: 8px 14px;
  font-size: 0.8125rem;
  font-family: var(--font-body);
  cursor: pointer;
  letter-spacing: 0.04em;
}

/* ─── Typography ─────────────────────────────────────── */
.eyebrow {
  margin-bottom: 16px;
  color: var(--color-accent-dark);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.eyebrow--light { color: var(--color-accent); }
.eyebrow--on-terra { color: rgba(255, 255, 255, 0.65); }

.hero__title {
  font-family: var(--font-body);
  font-size: clamp(3rem, 6.5vw, 6.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  word-break: keep-all;
  overflow-wrap: break-word;
  color: #fff;
}
.section-title {
  font-family: var(--font-body);
  font-size: clamp(2.25rem, 4.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 16ch;
}
.section-title--light { color: #fff; }

.hero__text,
.section-text {
  max-width: 560px;
  margin-top: 24px;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.9;
  font-weight: 400;
}
.section-text--light { color: rgba(255, 255, 255, 0.75); }
.section-note {
  margin-top: 8px;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

/* Decorative background label */
.section-bg-label {
  position: absolute;
  top: -0.12em;
  left: -0.04em;
  font-family: var(--font-display);
  font-size: clamp(7rem, 18vw, 17rem);
  font-weight: 400;
  line-height: 1;
  color: var(--color-text);
  opacity: 0.038;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  z-index: 0;
}

/* ─── Buttons ─────────────────────────────────────────── */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 32px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border: 1.5px solid var(--color-text);
  transition: background-color 0.25s var(--ease-out), color 0.25s, border-color 0.25s, transform 0.2s;
}
.button:hover { transform: translateY(-1px); }
.button--primary {
  background: var(--color-text);
  color: #fff;
}
.button--primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}
.button--secondary:hover {
  background: var(--color-text);
  color: #fff;
}
.button--on-terra {
  background: #fff;
  color: var(--color-accent-dark);
  border-color: #fff;
}
.button--on-terra:hover {
  background: var(--color-text);
  color: #fff;
  border-color: var(--color-text);
}

/* ─── Section base ────────────────────────────────────── */
.section {
  padding: 104px 0;
  position: relative;
  overflow: hidden;
}
.section--alt {
  background: rgba(255, 255, 255, 0.45);
}
.section--dark {
  background: var(--color-text);
}
.section--terracotta {
  background: var(--color-accent);
}
.section .container {
  position: relative;
  z-index: 1;
}

/* ─── Hero ────────────────────────────────────────────── */
/* ─── Hero — full-width background image layout ──────── */
.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  display: flex;
  align-items: center;
}

/* Background image layer */
.hero__bg {
  position: absolute;
  inset: -5%;
  z-index: 0;
}
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  will-change: transform;
}

/* Gradient overlay — dense on left for text readability */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    105deg,
    rgba(14, 22, 26, 0.82) 0%,
    rgba(14, 22, 26, 0.65) 40%,
    rgba(14, 22, 26, 0.32) 68%,
    rgba(14, 22, 26, 0.12) 100%
  );
}

/* Content layer */
.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: 140px;
  padding-bottom: 120px;
  padding-left: max(var(--gutter), calc((100vw - var(--container)) / 2 + var(--gutter)));
  padding-right: max(var(--gutter), calc((100vw - var(--container)) / 2 + var(--gutter)));
}

/* Text color overrides inside hero */
.hero__content .hero__text {
  color: rgba(255, 255, 255, 0.82);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

/* Ghost button — for use on dark hero */
.button--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}
.button--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.8);
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: max(var(--gutter), calc((100vw - var(--container)) / 2 + var(--gutter)));
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  transition: opacity 0.2s;
}
.hero__scroll:hover { opacity: 0.6; }
.hero__scroll-label {
  font-size: 0.625rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 700;
}
.hero__scroll-line {
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5) 0%, transparent 100%);
  transform-origin: top;
  animation: scroll-pulse 2s var(--ease-out) infinite;
}
@keyframes scroll-pulse {
  0%   { transform: scaleY(0); opacity: 0; }
  30%  { opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* ─── Ticker ──────────────────────────────────────────── */
.ticker {
  overflow: hidden;
  background: var(--color-accent);
  padding: 13px 0;
}
.ticker__track {
  display: flex;
  align-items: center;
  white-space: nowrap;
  width: max-content;
  animation: ticker-rtl 32s linear infinite;
}
.ticker__track span {
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0 22px;
}
.ticker__dot {
  color: rgba(255, 255, 255, 0.4) !important;
  padding: 0 !important;
}
@keyframes ticker-rtl {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── Stats ───────────────────────────────────────────── */
.stats-section {
  background: var(--color-text);
  padding: 72px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 12px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5vw, 4.5rem);
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.02em;
  font-style: italic;
}
.stat-plus,
.stat-unit {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  font-style: normal;
}
.stat-label {
  display: block;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ─── Issues ─────────────────────────────────────────── */
.issues__inner {
  display: grid;
  grid-template-columns: 1fr 1.75fr;
  gap: 80px;
  align-items: start;
}
.issues__header {
  position: sticky;
  top: 120px;
}
.issues__header .section-title {
  font-size: clamp(2rem, 3.4vw, 3.6rem);
}
.issues__lead {
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1rem;
  line-height: 1.9;
  max-width: 26ch;
}
.issues-list {
  list-style: none;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.issues-item {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: border-color 0.3s;
}
.issues-item:hover {
  border-bottom-color: rgba(201, 109, 67, 0.35);
}
.issues-item__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--color-accent);
  opacity: 0.9;
  flex-shrink: 0;
  width: 24px;
  line-height: 1;
  transition: opacity 0.25s;
}
.issues-item:hover .issues-item__num {
  opacity: 1;
}
.issues-item__text {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.85;
  font-weight: 400;
  transition: color 0.25s;
}
.issues-item:hover .issues-item__text {
  color: rgba(255, 255, 255, 0.95);
}
.issues-item__text strong {
  color: #fff;
  font-weight: 700;
}
.issues__closing {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 72px;
  padding-top: 52px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}
.issues__closing-line {
  display: block;
  width: 44px;
  height: 1px;
  background: var(--color-accent);
  flex-shrink: 0;
}
.issues__closing-text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.375rem, 2.5vw, 2.125rem);
  color: #fff;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

/* ─── About ───────────────────────────────────────────── */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: center;
}
.about__visual {
  position: relative;
}
.about__visual::after {
  content: '';
  position: absolute;
  top: 14px;
  right: -14px;
  bottom: -14px;
  left: 14px;
  border: 2px solid var(--color-accent);
  opacity: 0.4;
  z-index: -1;
  pointer-events: none;
}
.about__img {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  box-shadow: 0 24px 64px rgba(20, 33, 38, 0.16);
  position: relative;
  z-index: 1;
}
.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
  list-style: none;
  padding: 0;
}
.skill-list li {
  padding: 6px 16px;
  border: 1px solid var(--color-line);
  font-size: 0.8125rem;
  color: var(--color-muted);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ─── Services ────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.card {
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  padding: 32px 28px 30px;
  transition: border-color 0.25s, transform 0.25s var(--ease-out), box-shadow 0.25s;
}
.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(20, 33, 38, 0.07);
}
.card__icon {
  margin-bottom: 22px;
  color: var(--color-accent-dark);
}
.card h3 {
  margin-bottom: 12px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.card p {
  color: var(--color-muted);
  line-height: 1.8;
  font-size: 0.9rem;
}

/* ─── Strengths ──────────────────────────────────────── */
.strengths-list {
  margin-top: 72px;
  border-top: 1px solid var(--color-line);
}
.strength-item {
  display: grid;
  grid-template-columns: 52px 1fr 1fr;
  gap: 0 56px;
  padding: 52px 0;
  border-bottom: 1px solid var(--color-line);
  align-items: start;
  position: relative;
}
.strength-item::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.55s var(--ease-out);
}
.strength-item:hover::after { width: 100%; }
.strength-item__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.375rem;
  color: var(--color-accent);
  opacity: 0.45;
  line-height: 1;
  padding-top: 8px;
  transition: opacity 0.25s;
}
.strength-item:hover .strength-item__num { opacity: 1; }
.strength-item__head h3 {
  font-size: clamp(1.375rem, 2.2vw, 2.125rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  word-break: keep-all;
}
.strength-item__body {
  padding-top: 6px;
}
.strength-item__body p {
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.9;
}
.strength-item__body strong {
  color: var(--color-text);
  font-weight: 700;
}

/* ─── Pricing ─────────────────────────────────────────── */
.price-intro {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
  margin-bottom: 0;
}
.price-intro__note {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.8;
  text-align: right;
  padding-bottom: 2px;
}
.price-list {
  margin-top: 56px;
  border-top: 1px solid var(--color-line);
}
.price-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding: 30px 0;
  border-bottom: 1px solid var(--color-line);
  position: relative;
  transition: border-color 0.3s;
}
.price-item::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.55s var(--ease-out);
}
.price-item:hover::after { width: 100%; }
.price-item__service h3 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.price-item__service p {
  color: var(--color-muted);
  font-size: 0.8125rem;
  margin-top: 5px;
  line-height: 1.6;
}
.price-item__amount {
  display: flex;
  align-items: baseline;
  gap: 3px;
  flex-shrink: 0;
  transition: transform 0.25s var(--ease-out);
}
.price-item:hover .price-item__amount { transform: translateX(-4px); }
.price-item__symbol {
  font-size: 0.8125rem;
  color: var(--color-accent-dark);
  font-weight: 700;
  opacity: 0.75;
}
.price-item__num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(2.25rem, 3.5vw, 3.25rem);
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.02em;
}
.price-item__unit {
  font-size: 0.8125rem;
  color: var(--color-accent-dark);
  font-weight: 700;
  opacity: 0.75;
  margin-left: 2px;
}
.price-footer {
  margin-top: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 36px;
  border-top: 1px solid var(--color-line);
}
.price-footer__note {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.85;
  max-width: 520px;
}
.price-footer__note strong {
  color: var(--color-text);
  font-weight: 700;
}

/* ─── Process ─────────────────────────────────────────── */
.process-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin-top: 64px;
  position: relative;
}
.process-list::before {
  content: '';
  position: absolute;
  top: 31px;
  left: calc(100% / 10);
  right: calc(100% / 10);
  height: 1px;
  background: var(--color-line);
  z-index: 0;
}
.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 12px;
  position: relative;
}

/* Giant decorative number behind each step */
.process-step::before {
  content: attr(data-num);
  position: absolute;
  top: -0.45em;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(6rem, 10vw, 10rem);
  font-weight: 400;
  color: var(--color-text);
  opacity: 0.045;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.process-step__num {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  letter-spacing: 0.08em;
  position: relative;
  z-index: 1;
  margin-bottom: 24px;
  flex-shrink: 0;
}
.process-step__body {
  position: relative;
  z-index: 1;
}
.process-step__body h3 {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 0.01em;
}
.process-step__body p {
  font-size: 0.8rem;
  color: var(--color-muted);
  line-height: 1.75;
}

/* ─── Works ───────────────────────────────────────────── */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.work-card {
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s var(--ease-out), box-shadow 0.25s;
}
.work-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(20, 33, 38, 0.08);
}
.work-card__thumb {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}
.work-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease-out);
}
.work-card:hover .work-card__thumb img {
  transform: scale(1.05);
}
.work-card__body {
  padding: 22px 24px 26px;
}
.work-card__tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}
.work-card__body h3 {
  margin: 8px 0 10px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.work-card__body p {
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.75;
}

/* ─── Tech Stack ──────────────────────────────────────── */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 52px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.stack-item {
  background: var(--color-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 40px 16px;
  text-align: center;
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: background-color 0.25s;
}
.stack-item:hover {
  background: rgba(255, 255, 255, 0.04);
}
.stack-item__icon { color: var(--color-accent); }

/* ─── Voice ───────────────────────────────────────────── */
.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.voice-card {
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.voice-card:hover {
  border-color: var(--color-line);
  box-shadow: 0 8px 24px rgba(20, 33, 38, 0.06);
}
.voice-card__stars {
  color: var(--color-accent);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.voice-card__text {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--color-text);
  flex: 1;
  margin-bottom: 24px;
}
.voice-card__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
}
.voice-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.voice-card__name {
  font-size: 0.875rem;
  font-weight: 700;
}
.voice-card__type {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 3px;
}

/* ─── FAQ ─────────────────────────────────────────────── */
.faq__inner { max-width: 760px; }
.faq-list {
  margin-top: 44px;
  border-top: 1px solid var(--color-line);
}
.faq-item {
  border-bottom: 1px solid var(--color-line);
  border-left: 3px solid transparent;
  padding-left: 20px;
  transition: border-color 0.3s, background 0.3s;
}
.faq-item:hover,
.faq-item.is-open {
  border-left-color: var(--color-accent);
  background: rgba(201, 109, 67, 0.04);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  padding: 26px 4px 26px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.6;
}
.faq-question__icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  position: relative;
  border-radius: 50%;
  border: 1.5px solid var(--color-line);
  transition: border-color 0.3s, background 0.3s;
}
.faq-item.is-open .faq-question__icon {
  border-color: var(--color-accent);
  background: rgba(201, 109, 67, 0.1);
}
.faq-question__icon::before,
.faq-question__icon::after {
  content: '';
  position: absolute;
  background: var(--color-accent-dark);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}
.faq-question__icon::before {
  width: 12px;
  height: 1.5px;
  top: 50%;
  left: 6px;
  transform: translateY(-50%);
}
.faq-question__icon::after {
  width: 1.5px;
  height: 12px;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
}
.faq-item.is-open .faq-question__icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s var(--ease-out);
}
.faq-item.is-open .faq-answer { max-height: 400px; }
.faq-answer p {
  padding-bottom: 28px;
  color: var(--color-muted);
  line-height: 1.9;
  font-size: 0.9375rem;
}

/* ─── Contact (Terracotta) ────────────────────────────── */
.contact__inner { max-width: 640px; }

/* ─── Footer ──────────────────────────────────────────── */
.site-footer {
  padding: 32px 0 48px;
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}

/* ─── Page Hero (inner pages) ─────────────────────────── */
.page-hero {
  padding: 140px 0 72px;
  background: var(--color-text);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(201, 109, 67, 0.12) 1px, transparent 1px);
  background-size: 32px 32px;
}
.page-hero .container {
  position: relative;
  z-index: 1;
}
.page-hero__eyebrow { color: var(--color-accent); }
.page-hero__title {
  font-family: var(--font-body);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
  margin-top: 12px;
  max-width: 18ch;
}
.page-hero__lead {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9375rem;
  line-height: 1.85;
  max-width: 540px;
}

/* ─── Breadcrumb ──────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.45);
  transition: color 0.2s;
}
.breadcrumb a:hover { color: rgba(255, 255, 255, 0.8); }
.breadcrumb__sep { opacity: 0.4; }

/* ─── Contact Form ─────────────────────────────────────── */
.contact-form-section {
  padding: 104px 0;
  position: relative;
}
.contact-form-wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 72px;
  align-items: start;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-label {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text);
}
.form-label__req {
  color: var(--color-accent);
  margin-left: 4px;
  font-weight: 500;
  font-size: 0.75rem;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-muted); opacity: 0.6; }
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent-dark);
  box-shadow: 0 0 0 3px rgba(201, 109, 67, 0.12);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7a80' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}
.form-textarea {
  resize: vertical;
  min-height: 180px;
  line-height: 1.75;
}
.form-privacy {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.7;
}
.form-privacy input[type="checkbox"] {
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: var(--color-accent-dark);
  cursor: pointer;
}
.form-privacy a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.form-note {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.7;
}
.form-success {
  display: none;
  text-align: center;
  padding: 80px 0;
}
.form-success__icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
}
.form-success__title {
  font-size: clamp(1.5rem, 2vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.form-success__text {
  color: var(--color-muted);
  line-height: 1.85;
  max-width: 420px;
  margin: 0 auto 36px;
}
.contact-sidebar {
  padding-top: 4px;
}
.contact-info-card {
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  padding: 28px 24px;
  margin-bottom: 16px;
}
.contact-info-card:last-child { margin-bottom: 0; }
.contact-info-card__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 12px;
}
.contact-info-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.contact-info-card__text {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.8;
}

/* ─── Works Detail ─────────────────────────────────────── */
.works-detail {
  padding: 80px 0 104px;
}
.works-detail__hero-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  margin-bottom: 64px;
  border: 1px solid var(--color-line);
}
.works-detail__layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 64px;
  align-items: start;
}
.works-detail__body h2 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 48px 0 14px;
  color: var(--color-text);
}
.works-detail__body h2:first-child { margin-top: 0; }
.works-detail__body p {
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.9;
  margin-bottom: 18px;
}
.works-detail__body ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.9;
  margin-bottom: 20px;
}
.works-detail__body ul li { margin-bottom: 6px; }
.works-detail__sub-img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  display: block;
  margin: 40px 0;
  border: 1px solid var(--color-line);
}
.works-detail__meta-card {
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  padding: 24px 22px;
  position: sticky;
  top: 100px;
}
.works-detail__meta-card dl { display: flex; flex-direction: column; }
.works-detail__meta-pair {
  padding: 14px 0;
  border-bottom: 1px solid var(--color-line);
}
.works-detail__meta-pair:last-child { border-bottom: none; }
.works-detail__meta-pair dt {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 4px;
}
.works-detail__meta-pair dd {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
}
.works-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}
.works-detail__tag {
  padding: 4px 12px;
  border: 1px solid var(--color-line);
  font-size: 0.75rem;
  color: var(--color-muted);
  letter-spacing: 0.04em;
}
.works-detail__back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 56px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  letter-spacing: 0.04em;
  transition: gap 0.2s var(--ease-out);
}
.works-detail__back:hover { gap: 14px; }

/* Work card link */
.work-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  letter-spacing: 0.04em;
  transition: gap 0.2s;
}
.work-card__link:hover { gap: 10px; }

/* ─── Prose (Privacy Policy) ──────────────────────────── */
.prose-section {
  padding: 80px 0 120px;
}
.prose {
  max-width: 720px;
  margin: 0 auto;
}
.prose h2 {
  font-size: 1.1875rem;
  font-weight: 700;
  margin: 48px 0 12px;
  letter-spacing: -0.01em;
  color: var(--color-text);
}
.prose h2:first-child { margin-top: 0; }
.prose p {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.9;
  margin-bottom: 16px;
}
.prose ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 18px;
}
.prose ul li {
  font-size: 0.9375rem;
  color: var(--color-muted);
  line-height: 1.9;
  margin-bottom: 6px;
}
.prose-date {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
}

/* ─── 404 ─────────────────────────────────────────────── */
.error-page {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px var(--gutter);
}
.error-page__num {
  font-family: var(--font-display);
  font-size: clamp(8rem, 22vw, 18rem);
  font-weight: 400;
  font-style: italic;
  color: var(--color-accent);
  line-height: 0.85;
  opacity: 0.18;
  display: block;
  margin-bottom: 0.2em;
}
.error-page__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.error-page__text {
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.85;
  max-width: 400px;
  margin: 0 auto 40px;
}

/* ─── Footer (extended) ───────────────────────────────── */
.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
.site-footer__nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.site-footer__nav a {
  font-size: 0.8125rem;
  color: var(--color-muted);
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
.site-footer__nav a:hover { color: var(--color-text); }

/* ─── Responsive ──────────────────────────────────────── */
@media (max-width: 1023px) {
  .process-list { grid-template-columns: repeat(3, 1fr); }
  .process-list::before { display: none; }
  .contact-form-wrap {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .works-detail__layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .works-detail__meta-card { position: static; }
}

@media (max-width: 767px) {
  .site-header__inner { min-height: 64px; }
  .menu-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    right: var(--gutter);
    left: var(--gutter);
    display: none;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--color-line);
    background: rgba(251, 249, 243, 0.98);
    backdrop-filter: blur(12px);
  }
  .site-nav a {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-line);
  }
  .site-nav a:last-child { border-bottom: none; }
  .site-nav.is-open { display: flex; }

  .hero {
    min-height: 100svh;
    align-items: flex-end;
  }
  .hero__bg { inset: 0; }
  .hero__img { object-position: center center; }
  .hero__overlay {
    background: linear-gradient(
      to top,
      rgba(14, 22, 26, 0.90) 0%,
      rgba(14, 22, 26, 0.65) 50%,
      rgba(14, 22, 26, 0.20) 100%
    );
  }
  .hero__content {
    padding-top: 100px;
    padding-bottom: 72px;
    padding-left: var(--gutter);
    padding-right: var(--gutter);
  }
  .hero__scroll { display: none; }
  .back-top { bottom: 24px; right: 20px; }

  .section { padding: 72px 0; }
  .section-bg-label { font-size: clamp(5rem, 22vw, 9rem); }

  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(1),
  .stat-item:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 36px;
  }
  .stat-item:nth-child(3),
  .stat-item:nth-child(4) { padding-top: 36px; }

  .issues__inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }
  .issues__header { position: static; }
  .issues__lead { max-width: none; }
  .issues__closing { margin-top: 48px; padding-top: 40px; }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .card-grid { grid-template-columns: 1fr; }

  .process-list {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .process-step {
    flex-direction: row;
    text-align: left;
    align-items: flex-start;
    gap: 20px;
    padding: 0;
  }
  .process-step::before { display: none; }
  .process-step__num { margin-bottom: 0; }

  .works-grid { grid-template-columns: 1fr; }

  .stack-grid { grid-template-columns: repeat(2, 1fr); }
  .stack-item { padding: 28px 12px; }

  .voice-grid { grid-template-columns: 1fr; }

  /* Strengths */
  .strength-item {
    grid-template-columns: 36px 1fr;
    gap: 0 24px;
    padding: 36px 0;
  }
  .strength-item__body {
    grid-column: 2;
    padding-top: 16px;
  }

  /* Pricing */
  .price-intro { grid-template-columns: 1fr; gap: 16px; }
  .price-intro__note { text-align: left; }
  .price-item { flex-direction: column; align-items: flex-start; gap: 12px; padding: 24px 0; }
  .price-item:hover .price-item__amount { transform: none; }
  .price-footer { flex-direction: column; }

  /* Inner pages */
  .page-hero { padding: 110px 0 56px; }
  .contact-form-wrap {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .contact-sidebar { display: contents; }
  .works-detail__layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .works-detail__meta-card { position: static; }
  .form-row { grid-template-columns: 1fr; }
}