/* ========================================
   Web Design Business — Design System
   Modern / Minimal / Editorial / Premium
   ======================================== */

:root {
  /* Color */
  --color-bg: #f7f7f4;
  --color-bg-elevated: #ffffff;
  --color-surface: #ffffff;
  --color-surface-soft: #f0f1ee;
  --color-text: #1f2428;
  --color-text-muted: #5c656e;
  --color-border: #e2e4df;
  --color-border-strong: #c8cdc6;
  --color-accent: #3d5f7a;
  --color-accent-hover: #314d63;
  --color-accent-soft: #e8eef3;
  --color-charcoal: #2a3036;
  --color-focus: #3d5f7a;

  /* Typography */
  --font-display: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Noto Sans JP", sans-serif;
  --font-en: "Cormorant Garamond", "Times New Roman", serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: clamp(1.75rem, 3.2vw, 2.25rem);
  --fs-2xl: clamp(2.25rem, 5.5vw, 3.75rem);
  --fs-hero: clamp(2.5rem, 7vw, 4.5rem);

  --lh-tight: 1.25;
  --lh-snug: 1.45;
  --lh-body: 1.8;

  /* Layout */
  --container: 1120px;
  --container-narrow: 720px;
  --header-h: 4.25rem;

  /* Space scale */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6.5rem;
  --space-5xl: 8rem;

  /* Effects */
  --radius-sm: 2px;
  --radius-md: 4px;
  --shadow-header: 0 1px 0 rgba(31, 36, 40, 0.06);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 220ms;
}

/* ----- Reset / Base ----- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 400;
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

body > main {
  flex: 1 0 auto;
}

body.is-nav-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-accent-hover);
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  color: var(--color-text);
  text-decoration: none;
  border: 1px solid var(--color-border);
}

.skip-link:focus {
  left: var(--space-md);
  top: var(--space-md);
}

/* ----- Layout helpers ----- */
.container {
  width: min(100% - 2 * var(--space-lg), var(--container));
  margin-inline: auto;
}

.container--narrow {
  width: min(100% - 2 * var(--space-lg), var(--container-narrow));
}

.section {
  padding-block: var(--space-4xl);
}

.section--tight {
  padding-block: var(--space-3xl);
}

.section--soft {
  background: var(--color-surface-soft);
}

.section--surface {
  background: var(--color-surface);
}

.section__header {
  max-width: 36rem;
  margin-bottom: var(--space-2xl);
}

.section__eyebrow {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-en);
  font-size: var(--fs-md);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: none;
  color: var(--color-accent);
}

.section__title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  line-height: var(--lh-tight);
  letter-spacing: 0.02em;
  color: var(--color-charcoal);
}

.section__lead {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--fs-md);
}

.section-note {
  margin: var(--space-xl) 0 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.section__footer {
  margin-top: var(--space-2xl);
}

/* ----- Typography ----- */
.page-heading {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: var(--lh-tight);
}

.page-lead {
  margin: 0;
  color: var(--color-text-muted);
  max-width: 36em;
}

.page-shell {
  padding-block: var(--space-4xl);
  min-height: 45vh;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border-strong);
  padding-bottom: 0.1em;
}

.text-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 2.75rem;
  padding: 0.7rem 1.35rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--duration) var(--ease),
    color var(--duration) var(--ease), border-color var(--duration) var(--ease),
    transform var(--duration) var(--ease);
}

.btn--sm {
  min-height: 2.35rem;
  padding: 0.5rem 1rem;
  font-size: var(--fs-xs);
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn--secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: transparent;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

/* ----- Cards ----- */
.card-grid {
  display: grid;
  gap: var(--space-lg);
}

.card-grid--3 {
  grid-template-columns: 1fr;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
}

.card--flat {
  background: transparent;
  border-color: transparent;
  padding: 0;
}

.card__eyebrow {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-en);
  font-size: var(--fs-sm);
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.card__title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 500;
  line-height: var(--lh-snug);
  letter-spacing: 0.02em;
}

.card__body {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.price-card__price {
  margin: 0 0 var(--space-xs);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-charcoal);
}

.price-card__meta {
  margin: 0 0 var(--space-md);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ----- Header ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 247, 244, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration) var(--ease),
    background-color var(--duration) var(--ease);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-header);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-height: var(--header-h);
}

.site-logo {
  margin-right: auto;
  font-family: var(--font-en);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-charcoal);
  text-decoration: none;
}

.site-logo:hover {
  color: var(--color-accent);
}

.site-nav {
  display: none;
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.site-nav__link {
  display: block;
  padding: var(--space-sm) 0;
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
}

.site-nav__link:hover {
  color: var(--color-accent);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-accent);
  font-weight: 500;
}

.site-header__actions {
  display: flex;
  align-items: center;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 1.1rem;
  height: 1.5px;
  margin-inline: auto;
  background: var(--color-charcoal);
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}

.site-header.is-nav-open .nav-toggle__bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.site-header.is-nav-open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.site-header.is-nav-open .nav-toggle__bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile drawer */
@media (max-width: 899px) {
  .site-nav {
    display: block;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    padding: var(--space-lg) var(--space-lg) var(--space-2xl);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-0.5rem);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease),
      visibility var(--duration);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav__list {
    margin-bottom: var(--space-lg);
  }

}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }

  .site-logo {
    margin-right: 0;
  }

  .site-nav {
    display: block;
    position: static;
    margin-left: auto;
    margin-right: var(--space-xl);
    padding: 0;
    background: transparent;
    border: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .site-nav__list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-lg);
  }

  .site-nav__link {
    padding: var(--space-xs) 0;
    position: relative;
  }

  .site-nav__link[aria-current="page"]::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -0.35rem;
    height: 1px;
    background: var(--color-accent);
  }
}

/* ----- Footer ----- */
.site-footer {
  margin-top: auto;
  background: var(--color-charcoal);
  color: rgba(255, 255, 255, 0.78);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.88);
}

.site-footer a:hover {
  color: #fff;
}

.site-footer__inner {
  padding-block: var(--space-3xl) var(--space-xl);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-2xl);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-2xl);
}

.site-footer__name {
  margin: 0 0 var(--space-md);
  font-family: var(--font-en);
  font-size: var(--fs-lg);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #fff;
}

.site-footer__desc {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: var(--lh-snug);
  max-width: 28rem;
}

.site-footer__meta {
  margin: var(--space-md) 0 0;
  font-size: var(--fs-sm);
}

.site-footer__meta-label {
  display: inline-block;
  margin-right: var(--space-xs);
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
}

.site-footer__heading {
  margin: 0 0 var(--space-md);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.site-footer__link {
  text-decoration: none;
  font-size: var(--fs-sm);
}

.site-footer__cta-text {
  margin: 0 0 var(--space-md);
  font-size: var(--fs-sm);
}

.site-footer .btn--secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.site-footer .btn--secondary:hover {
  border-color: #fff;
  color: #fff;
}

.site-footer__copy {
  margin: 0;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.45);
}

/* ----- Hero ----- */
.hero {
  position: relative;
  padding-block: clamp(4.5rem, 14vh, 8.5rem) clamp(4rem, 12vh, 7rem);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(247, 247, 244, 0) 0%, var(--color-bg) 100%),
    radial-gradient(ellipse 70% 55% at 85% 15%, var(--color-accent-soft) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 48rem;
}

.hero__eyebrow {
  margin: 0 0 var(--space-xl);
  font-family: var(--font-en);
  font-size: var(--fs-md);
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.hero__title {
  margin: 0 0 var(--space-xl);
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--color-charcoal);
}

.hero__lead {
  margin: 0 0 var(--space-2xl);
  max-width: 28em;
  font-size: var(--fs-md);
  color: var(--color-text-muted);
}

/* ----- Approach list ----- */
.approach-list {
  display: grid;
  gap: var(--space-xl);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: approach;
}

.approach-item {
  display: grid;
  gap: var(--space-md);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  counter-increment: approach;
}

.approach-item__index {
  font-family: var(--font-en);
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.approach-item__index::before {
  content: "0" counter(approach);
}

.approach-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 500;
}

.approach-item__body {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  max-width: 36em;
}

/* ----- Process steps ----- */
.process-steps {
  display: grid;
  gap: var(--space-lg);
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: process;
}

.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-lg);
  align-items: start;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  counter-increment: process;
}

.process-step:last-child {
  border-bottom: 1px solid var(--color-border);
}

.process-step__num {
  font-family: var(--font-en);
  font-size: var(--fs-lg);
  color: var(--color-accent);
  min-width: 2.5rem;
}

.process-step__num::before {
  content: "0" counter(process);
}

.process-step__title {
  margin: 0 0 var(--space-xs);
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 500;
}

.process-step__body {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ----- Works preview ----- */
.work-preview {
  display: grid;
  gap: var(--space-xl);
  align-items: stretch;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.work-preview__media {
  min-height: 14rem;
  background: var(--color-surface-soft);
}

.work-preview__placeholder {
  display: grid;
  place-items: center;
  height: 100%;
  min-height: 14rem;
  background:
    linear-gradient(135deg, var(--color-surface-soft) 0%, var(--color-accent-soft) 100%);
  color: var(--color-text-muted);
  font-family: var(--font-en);
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
}

.work-preview__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-preview__body {
  padding: 0 var(--space-xl) var(--space-xl);
}

.work-preview__disclaimer {
  margin: var(--space-md) 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
  font-size: var(--fs-xs);
  line-height: var(--lh-snug);
}

.work-preview__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* ----- Contact CTA band ----- */
.cta-band {
  text-align: left;
}

.cta-band__title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: var(--lh-tight);
}

.cta-band__lead {
  margin: 0 0 var(--space-xl);
  color: var(--color-text-muted);
  max-width: 28em;
}

/* ----- Subpage hero ----- */
.page-hero {
  padding-block: clamp(3.5rem, 10vh, 5.5rem) var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, var(--color-accent-soft) 0%, transparent 55%),
    var(--color-bg);
}

.page-hero__inner {
  max-width: 40rem;
}

.page-hero__eyebrow {
  margin: 0 0 var(--space-md);
  font-family: var(--font-en);
  font-size: var(--fs-md);
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.page-hero__title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: var(--lh-tight);
  color: var(--color-charcoal);
}

.page-hero__lead {
  margin: 0;
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  max-width: 32em;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.visually-hidden-header {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ----- Feature / bullet lists ----- */
.feature-list,
.bullet-list {
  list-style: none;
  margin: var(--space-lg) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.feature-list li,
.bullet-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: var(--lh-snug);
}

.feature-list li::before,
.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--color-accent);
}

.bullet-list--notes li {
  color: var(--color-text-muted);
}

.card__note {
  margin: var(--space-lg) 0 0;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-snug);
}

.card-grid--2 {
  grid-template-columns: 1fr;
}

.price-card--detail {
  height: 100%;
}

.maintenance-wrap {
  max-width: 36rem;
}

.maintenance-card {
  background: var(--color-surface);
}

/* ----- Compare table ----- */
.compare-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.compare-scroll:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.compare-table {
  width: 100%;
  min-width: 28rem;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

.compare-table caption {
  text-align: left;
}

.compare-table th,
.compare-table td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.compare-table thead th {
  background: var(--color-surface-soft);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--fs-base);
  color: var(--color-charcoal);
}

.compare-table tbody th {
  font-weight: 500;
  color: var(--color-text);
  width: 34%;
  background: var(--color-bg);
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: 0;
}

.compare-table td {
  color: var(--color-text-muted);
}

/* ----- FAQ ----- */
.faq-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item__question {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-md);
  width: 100%;
  margin: 0;
  padding: var(--space-lg) 0;
  border: 0;
  background: transparent;
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  font-weight: 500;
  line-height: var(--lh-snug);
  text-align: left;
  color: var(--color-charcoal);
  cursor: pointer;
}

.faq-item__question::after {
  content: "";
  flex: 0 0 auto;
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.35em;
  border-right: 1.5px solid var(--color-accent);
  border-bottom: 1.5px solid var(--color-accent);
  transform: rotate(45deg);
  transition: transform var(--duration) var(--ease);
}

.faq-item__question[aria-expanded="true"]::after {
  transform: rotate(-135deg);
  margin-top: 0.55em;
}

.faq-item__answer {
  padding: 0 0 var(--space-lg);
}

.faq-item__answer p {
  margin: 0;
  max-width: 38em;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ----- Works page cards ----- */
.works-list {
  display: grid;
  gap: var(--space-2xl);
  max-width: 52rem;
}

.work-card {
  display: grid;
  gap: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.work-card__media {
  min-height: 16rem;
  background: var(--color-surface-soft);
}

.work-card__placeholder {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: var(--space-sm);
  min-height: 16rem;
  padding: var(--space-xl);
  background:
    linear-gradient(160deg, var(--color-surface-soft) 0%, var(--color-accent-soft) 55%, #d9e3eb 100%);
  color: var(--color-charcoal);
}

.work-card__placeholder-en {
  font-family: var(--font-en);
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.work-card__placeholder-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 500;
  letter-spacing: 0.06em;
}

.work-card__img {
  width: 100%;
  height: 100%;
  min-height: 16rem;
  object-fit: cover;
}

.work-card__body {
  padding: var(--space-xl);
  background: var(--color-surface);
}

.work-card__meta {
  margin: 0 0 var(--space-sm);
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.work-card__title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.work-card__desc {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* ----- Contact form ----- */
.page-hero__lead--emphasis {
  margin-bottom: var(--space-md);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-charcoal);
  line-height: var(--lh-snug);
}

.contact-layout {
  display: grid;
  gap: var(--space-3xl);
}

.contact-layout__main {
  min-width: 0;
}

.form-banner {
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  background: var(--color-accent-soft);
}

.form-banner__title {
  margin: 0 0 var(--space-xs);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-accent-hover);
}

.form-banner__text {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-text);
  line-height: var(--lh-snug);
}

.form-error-summary {
  margin-bottom: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  border: 1px solid #c47b7b;
  background: #f8ecec;
  color: #6d3030;
  font-size: var(--fs-sm);
}

.contact-form {
  display: grid;
  gap: var(--space-lg);
  max-width: 40rem;
}

.form-field {
  display: grid;
  gap: var(--space-xs);
}

.form-label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-charcoal);
}

.form-required,
.form-optional {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.form-required {
  color: var(--color-accent);
}

.form-optional {
  color: var(--color-text-muted);
}

.form-input {
  width: 100%;
  min-height: 2.85rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color var(--duration) var(--ease);
}

.form-input:hover {
  border-color: var(--color-accent);
}

.form-input:focus {
  outline: none;
}

.form-input:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-color: var(--color-accent);
}

.form-input[aria-invalid="true"] {
  border-color: #b85c5c;
}

.form-select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-accent) 50%),
    linear-gradient(135deg, var(--color-accent) 50%, transparent 50%);
  background-position: calc(100% - 1.1rem) calc(50% - 0.15rem),
    calc(100% - 0.75rem) calc(50% - 0.15rem);
  background-size: 0.35rem 0.35rem, 0.35rem 0.35rem;
  background-repeat: no-repeat;
  padding-right: 2.25rem;
}

.form-textarea {
  min-height: 10rem;
  resize: vertical;
}

.form-hint {
  margin: 0;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.form-error {
  margin: 0;
  font-size: var(--fs-xs);
  color: #8a3b3b;
}

.form-status {
  margin: 0;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--fs-sm);
  line-height: var(--lh-snug);
}

.form-status--error {
  border: 1px solid #c47b7b;
  background: #f8ecec;
  color: #6d3030;
}

.form-status--info {
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface-soft);
  color: var(--color-text);
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.form-actions .btn:disabled,
.form-actions .btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

.form-footnote {
  margin: 0;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: var(--lh-snug);
}

.contact-aside {
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  height: fit-content;
}

.contact-aside__title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 500;
}

.contact-aside__text {
  margin: 0 0 var(--space-md);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.contact-aside__links {
  list-style: none;
  margin: 0 0 var(--space-xl);
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.contact-aside__subtitle {
  margin: 0 0 var(--space-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.contact-aside__note {
  margin: var(--space-md) 0 0;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

@media (min-width: 900px) {
  .contact-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(16rem, 0.8fr);
    align-items: start;
    gap: var(--space-4xl);
  }
}

@media (max-width: 640px) {
  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }
}

/* ----- Process timeline ----- */
.process-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: none;
}

.process-timeline__item {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
}

.process-timeline__item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.process-timeline__num {
  font-family: var(--font-en);
  font-size: var(--fs-lg);
  letter-spacing: 0.04em;
  color: var(--color-accent);
  line-height: 1.2;
}

.process-timeline__title {
  margin: 0 0 var(--space-xs);
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.process-timeline__body {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  max-width: 36em;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ----- Responsive grids ----- */
@media (min-width: 640px) {
  .card-grid--2,
  .card-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .approach-item {
    grid-template-columns: 4rem 1fr;
    column-gap: var(--space-xl);
  }

  .approach-item__index {
    grid-row: 1 / span 2;
  }

  .process-timeline__item {
    grid-template-columns: 4.5rem 1fr;
    gap: var(--space-xl);
  }
}

@media (min-width: 900px) {
  .card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

  .site-footer__grid {
    grid-template-columns: 1.4fr 0.8fr 1fr;
    gap: var(--space-3xl);
  }

  .work-preview {
    grid-template-columns: 1.1fr 1fr;
  }

  .work-preview__body {
    padding: var(--space-2xl);
  }

  .work-preview__media,
  .work-preview__placeholder {
    min-height: 100%;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }

  .process-step {
    padding: var(--space-xl);
  }

  .work-card {
    grid-template-columns: 1fr 1.05fr;
    align-items: stretch;
  }

  .work-card__media,
  .work-card__placeholder,
  .work-card__img {
    min-height: 100%;
  }

  .work-card__body {
    padding: var(--space-2xl);
  }

  .process-timeline {
    max-width: 44rem;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 2 * var(--space-md), var(--container));
  }

  .section {
    padding-block: var(--space-3xl);
  }

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-group .btn {
    width: 100%;
  }
}