/* ========================================
   志興行 — Shared Stylesheet
   Architecture: Variables → Reset → Layout → Components → Pages → Utilities
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
  --color-bg: #f2f4f3;
  --color-bg-alt: #e6ebe8;
  --color-surface: #ffffff;
  --color-primary: #163d32;
  --color-primary-dark: #0e2a22;
  --color-primary-light: #2a5c4d;
  --color-accent: #b86a2e;
  --color-accent-hover: #9a5622;
  --color-text: #1a1d1b;
  --color-text-muted: #5c6560;
  --color-border: #d4dbd6;
  --color-overlay: rgba(14, 42, 34, 0.72);
  --color-success: #2a5c4d;
  --color-error: #a33a2c;

  --font-display: "Cormorant Garamond", "Noto Serif TC", Georgia, serif;
  --font-body: "Noto Sans TC", "Segoe UI", sans-serif;

  --fs-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --fs-sm: clamp(0.875rem, 0.82rem + 0.25vw, 0.9375rem);
  --fs-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --fs-md: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --fs-lg: clamp(1.375rem, 1.2rem + 0.8vw, 1.75rem);
  --fs-xl: clamp(1.75rem, 1.4rem + 1.5vw, 2.5rem);
  --fs-2xl: clamp(2.25rem, 1.7rem + 2.5vw, 3.75rem);
  --fs-3xl: clamp(2.75rem, 2rem + 3.5vw, 5rem);

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --lh-tight: 1.2;
  --lh-snug: 1.35;
  --lh-normal: 1.65;

  --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;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;

  --shadow-sm: 0 1px 3px rgba(22, 61, 50, 0.08);
  --shadow-md: 0 8px 24px rgba(22, 61, 50, 0.1);

  --header-h: 4.5rem;
  --container: 72rem;
  --transition: 0.3s ease;
  --transition-slow: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

ul,
ol {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

address {
  font-style: normal;
}

/* ---------- Layout ---------- */
.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

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

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

.section--dark {
  background-color: var(--color-primary-dark);
  color: #f2f4f3;
}

.section__header {
  max-width: 38rem;
  margin-bottom: var(--space-2xl);
}

.section__header--center {
  margin-inline: auto;
  text-align: center;
}

.section__label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section--dark .section__label {
  color: #e8b07a;
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  margin-bottom: var(--space-md);
}

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

.section--dark .section__desc {
  color: rgba(242, 244, 243, 0.75);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
}

p + p {
  margin-top: var(--space-md);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(242, 244, 243, 0.96);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition), height var(--transition);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
  --header-h: 3.75rem;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-lg);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  flex-shrink: 0;
  z-index: 1001;
}

.brand__name {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.2rem + 0.6vw, 1.65rem);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  letter-spacing: 0.04em;
  line-height: 1;
}

.brand__tagline {
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  font-weight: var(--fw-medium);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav__link {
  display: block;
  padding: 0.5rem 0.7rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--color-primary);
  background: var(--color-bg-alt);
  outline: none;
}

.nav__link.is-active {
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
}

.nav__cta {
  margin-left: var(--space-sm);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.4rem;
  position: relative;
  z-index: 1200;
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
  transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.03em;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.2s ease;
  white-space: nowrap;
}

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

.btn:hover {
  transform: translateY(-1px);
}

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

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

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

.btn--secondary:hover {
  background: var(--color-primary-light);
}

.btn--outline {
  border: 1.5px solid currentColor;
  color: #fff;
  background: transparent;
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn--outline-dark {
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

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

.btn--sm {
  padding: 0.55rem 1.1rem;
  font-size: var(--fs-xs);
}

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

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: min(88vh, 52rem);
  display: flex;
  align-items: flex-end;
  color: #f2f4f3;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(14, 42, 34, 0.35) 0%, rgba(14, 42, 34, 0.82) 100%),
    linear-gradient(90deg, rgba(14, 42, 34, 0.55) 0%, transparent 55%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-block: var(--space-4xl) var(--space-3xl);
  max-width: 40rem;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-lg);
  animation: fadeUp 0.8s var(--transition-slow) both;
}

.hero__title {
  font-family: var(--font-body);
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  line-height: var(--lh-snug);
  margin-bottom: var(--space-md);
  opacity: 0.95;
  animation: fadeUp 0.8s 0.12s var(--transition-slow) both;
}

.hero__text {
  font-size: var(--fs-base);
  color: rgba(242, 244, 243, 0.8);
  margin-bottom: var(--space-xl);
  max-width: 32rem;
  animation: fadeUp 0.8s 0.22s var(--transition-slow) both;
}

.hero__actions {
  animation: fadeUp 0.8s 0.32s var(--transition-slow) both;
}

/* Page hero (inner pages) */
.page-hero {
  position: relative;
  min-height: 18rem;
  display: flex;
  align-items: flex-end;
  color: #f2f4f3;
  overflow: hidden;
}

.page-hero__media {
  position: absolute;
  inset: 0;
}

.page-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 42, 34, 0.4) 0%, rgba(14, 42, 34, 0.85) 100%);
}

.page-hero__content {
  position: relative;
  z-index: 1;
  padding-block: var(--space-3xl) var(--space-2xl);
}

.page-hero__title {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-sm);
}

.page-hero__text {
  color: rgba(242, 244, 243, 0.8);
  max-width: 36rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: var(--fs-xs);
  color: rgba(242, 244, 243, 0.65);
  margin-bottom: var(--space-md);
}

.breadcrumb a:hover {
  color: #fff;
}

.breadcrumb__sep {
  opacity: 0.5;
}

/* ---------- Service Cards ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.service-card {
  display: flex;
  flex-direction: column;
}

.service-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  margin-bottom: var(--space-lg);
  background: var(--color-bg-alt);
}

.service-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.service-card:hover .service-card__media img {
  transform: scale(1.04);
}

.service-card__title {
  font-size: var(--fs-md);
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
}

.service-card__text {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.service-card__link {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.service-card__link::after {
  content: "→";
  transition: transform var(--transition);
}

.service-card__link:hover::after {
  transform: translateX(4px);
}

/* ---------- Process ---------- */
.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  counter-reset: step;
}

.process-item {
  position: relative;
  padding-top: var(--space-xl);
}

.process-item::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-md);
  line-height: 1;
}

.process-item__title {
  font-family: var(--font-body);
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-sm);
  color: #fff;
}

.process-item__text {
  font-size: var(--fs-sm);
  color: rgba(242, 244, 243, 0.7);
}

/* ---------- About / Split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.split__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.split__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split__media--order {
  order: 2;
}

.split__list {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.split__list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.split__list li::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 0.55em;
  background: var(--color-accent);
  border-radius: 50%;
}

/* ---------- CTA Band ---------- */
.cta-band {
  padding-block: var(--space-3xl);
  background:
    linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-primary-light) 100%);
  color: #f2f4f3;
  text-align: center;
}

.cta-band__title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-md);
}

.cta-band__text {
  color: rgba(242, 244, 243, 0.8);
  max-width: 32rem;
  margin-inline: auto;
  margin-bottom: var(--space-xl);
}

/* ---------- Content Page ---------- */
.content-block {
  max-width: 48rem;
}

.content-block h2 {
  font-size: var(--fs-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  margin-top: var(--space-2xl);
}

.content-block h2:first-child {
  margin-top: 0;
}

.content-block p {
  color: var(--color-text-muted);
}

.content-block ul {
  margin-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.content-block ul li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.content-block ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.gallery__item {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery__item:hover img {
  transform: scale(1.03);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-3xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info__item h3 {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.contact-info__item p,
.contact-info__item a {
  color: var(--color-text-muted);
  font-size: var(--fs-base);
}

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

.contact-form {
  background: var(--color-surface);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

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

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(22, 61, 50, 0.12);
}

.form-group textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-group.is-invalid input,
.form-group.is-invalid select,
.form-group.is-invalid textarea {
  border-color: var(--color-error);
}

.form-error {
  display: none;
  font-size: var(--fs-xs);
  color: var(--color-error);
  margin-top: var(--space-xs);
}

.form-group.is-invalid .form-error {
  display: block;
}

.form-message {
  display: none;
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  font-size: var(--fs-sm);
  border-radius: var(--radius-sm);
}

.form-message.is-success {
  display: block;
  background: rgba(42, 92, 77, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(42, 92, 77, 0.25);
}

.form-message.is-error {
  display: block;
  background: rgba(163, 58, 44, 0.08);
  color: var(--color-error);
  border: 1px solid rgba(163, 58, 44, 0.25);
}

.map-placeholder {
  margin-top: var(--space-3xl);
  aspect-ratio: 21 / 9;
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
  text-align: center;
  padding: var(--space-xl);
}

.map-placeholder__icon {
  width: 3rem;
  height: 3rem;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.map-placeholder__title {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  color: var(--color-primary);
}

.map-placeholder__text {
  font-size: var(--fs-sm);
  max-width: 24rem;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(242, 244, 243, 0.8);
  padding-block: var(--space-3xl) var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(242, 244, 243, 0.12);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  color: #fff;
  margin-bottom: var(--space-md);
  letter-spacing: 0.04em;
}

.footer-brand__text {
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
  max-width: 18rem;
}

.footer-col__title {
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--space-lg);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-col a {
  font-size: var(--fs-sm);
  color: rgba(242, 244, 243, 0.7);
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
  font-size: var(--fs-xs);
  color: rgba(242, 244, 243, 0.5);
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 900;
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-accent);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.back-to-top svg {
  width: 1.1rem;
  height: 1.1rem;
}

/* ---------- Scroll Animations ---------- */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--transition-slow), transform 0.7s var(--transition-slow);
}

[data-animate].is-inview {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade"] {
  transform: none;
}

[data-animate="left"] {
  transform: translateX(-28px);
}

[data-animate="right"] {
  transform: translateX(28px);
}

[data-animate="left"].is-inview,
[data-animate="right"].is-inview {
  transform: translateX(0);
}

[data-animate-delay="1"] { transition-delay: 0.1s; }
[data-animate-delay="2"] { transition-delay: 0.2s; }
[data-animate-delay="3"] { transition-delay: 0.3s; }
[data-animate-delay="4"] { transition-delay: 0.4s; }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 9999;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--fs-sm);
}

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

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

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

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .nav__link {
    padding: 0.45rem 0.5rem;
    font-size: 0.8rem;
  }

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 900px) {
  .site-header,
  .site-header__inner {
    overflow: visible;
  }

  .nav-toggle {
    display: flex;
  }

  .brand {
    position: relative;
    z-index: 1200;
  }

  .nav {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100dvh;
    max-height: 100dvh;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: calc(var(--header-h) + 1.25rem) 1.5rem 1.75rem;
    background: #f2f4f3;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition), visibility var(--transition);
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: none;
    flex: 0 0 auto;
    gap: 0;
  }

  .nav__link {
    padding: 1rem 0;
    font-size: var(--fs-md);
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
    background: transparent;
  }

  .nav__cta {
    margin-left: 0;
    margin-top: var(--space-xl);
    margin-bottom: 1.5rem;
    width: 100%;
    max-width: none;
    flex-shrink: 0;
  }

  .nav__cta .btn {
    width: 100%;
  }

  html.nav-open,
  body.nav-open {
    overflow: hidden;
    touch-action: none;
  }

  body.nav-open {
    position: fixed;
    width: 100%;
    left: 0;
    right: 0;
  }

  .split {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .split__media--order {
    order: 0;
  }

  .process-list {
    grid-template-columns: 1fr 1fr;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .service-grid {
    grid-template-columns: 1fr;
  }

  .process-list {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .hero {
    min-height: min(78vh, 40rem);
  }

  .hero__content {
    padding-block: var(--space-3xl) var(--space-2xl);
  }

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

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

  .map-placeholder {
    aspect-ratio: 4 / 3;
  }

  .contact-form {
    padding: var(--space-lg);
  }

  .section {
    padding-block: var(--space-2xl);
  }
}

@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;
  }

  [data-animate] {
    opacity: 1;
    transform: none;
  }
}