/* ============================================
   Section-Specific Styles
   ============================================ */

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-header);
  transition: all var(--duration-normal) var(--ease-smooth);
  background: transparent;
}

.header.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  height: var(--header-height-scrolled);
}

.header.is-scrolled .header__logo-text,
.header.is-scrolled .header__nav-link {
  color: var(--color-text-primary);
}

.header.is-scrolled .lang-switch {
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.header.is-scrolled .header__hamburger span {
  background: var(--color-text-primary);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  z-index: 2;
}

.header__logo-text {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text-inverse);
  letter-spacing: var(--ls-tight);
  transition: color var(--duration-normal);
}

.header__logo-studio {
  font-weight: var(--fw-normal);
  opacity: 0.8;
}

.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  gap: var(--sp-xl);
  align-items: center;
}

.header__nav-link {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-inverse);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  position: relative;
  transition: color var(--duration-fast);
  padding: var(--sp-sm) 0;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--duration-normal) var(--ease-dramatic);
}

.header__nav-link:hover::after,
.header__nav-link.is-active::after {
  transform: scaleX(1);
}

.header__nav-link:hover,
.header__nav-link.is-active {
  color: var(--color-accent);
}

.header__nav-link--cta {
  background: var(--color-accent);
  color: var(--color-bg-dark) !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: var(--fw-semibold);
}

.header__nav-link--cta::after { display: none; }

.header__nav-link--cta:hover {
  background: var(--color-accent-hover);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  z-index: 2;
}

.lang-switch {
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  color: var(--color-text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
}

.lang-switch:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.header__hamburger {
  width: 32px;
  height: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 0;
}

.header__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-inverse);
  border-radius: 1px;
  transition: all var(--duration-normal) var(--ease-smooth);
}

/* --- Mobile Menu --- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  pointer-events: none;
  visibility: hidden;
}

.mobile-menu.is-open {
  pointer-events: auto;
  visibility: visible;
}

.mobile-menu__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity var(--duration-normal);
}

.mobile-menu.is-open .mobile-menu__overlay {
  opacity: 1;
}

.mobile-menu__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  background: var(--color-bg-primary);
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-dramatic);
  display: flex;
  flex-direction: column;
  padding: var(--sp-xl);
}

[dir="rtl"] .mobile-menu__panel {
  right: auto;
  left: 0;
  transform: translateX(-100%);
}

.mobile-menu.is-open .mobile-menu__panel {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-2xl);
  padding-bottom: var(--sp-lg);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu__close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
}

.mobile-menu__nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.mobile-menu__nav a {
  display: block;
  padding: var(--sp-md) var(--sp-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-md);
  font-weight: var(--fw-medium);
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--duration-fast);
}

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

.mobile-menu__footer {
  margin-top: auto;
  padding-top: var(--sp-xl);
}

.lang-switch--mobile {
  width: 100%;
  text-align: center;
  color: var(--color-text-primary);
  border-color: var(--color-border);
  padding: var(--sp-md);
  font-size: var(--fs-sm);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

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

.hero__gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1A1A2E 0%, #2C3E50 40%, #1A1A2E 100%);
}

.hero__gradient::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(44, 62, 80, 0.3) 0%, transparent 50%);
}

.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3xl);
  align-items: center;
  width: 100%;
  padding-block: var(--sp-3xl);
}

.hero__text {
  color: var(--color-text-inverse);
}

.hero__label {
  margin-bottom: var(--sp-md);
}

.hero__title {
  font-size: var(--fs-hero);
  margin-bottom: var(--sp-lg);
  line-height: var(--lh-tight);
}

.hero__subtitle {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--sp-2xl);
  max-width: 500px;
}

.hero__cta {
  display: flex;
  gap: var(--sp-md);
  flex-wrap: wrap;
}

.hero__materials {
  color: var(--color-text-inverse);
}

.hero__materials .label-text {
  margin-bottom: var(--sp-lg);
}

.hero__materials-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
}

.hero__material-preview {
  margin-top: var(--sp-xl);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  text-align: center;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-muted);
  animation: bounce 2s infinite;
  z-index: 1;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-8px); }
  60% { transform: translateX(-50%) translateY(-4px); }
}

/* --- Services --- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-xl);
}

/* --- Portfolio --- */
.portfolio__filters {
  display: flex;
  justify-content: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-2xl);
  flex-wrap: wrap;
}

.portfolio__filter {
  padding: 0.5rem 1.25rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast);
}

.portfolio__filter:hover,
.portfolio__filter.is-active {
  background: var(--color-accent);
  color: var(--color-bg-dark);
  border-color: var(--color-accent);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-xl);
}

.portfolio__item[hidden] {
  display: none;
}

.portfolio__caption {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  margin-top: var(--sp-md);
  text-align: center;
}

/* --- Calligraphy --- */
.calligraphy__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--sp-lg);
}

/* --- Process --- */
.process__steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  padding: var(--sp-xl) 0;
}

/* --- Quote Form --- */
.quote__progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: var(--sp-2xl);
}

.quote__progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
}

.quote__progress-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.4);
  transition: all var(--duration-normal);
}

.quote__progress-step.is-active .quote__progress-num,
.quote__progress-step.is-completed .quote__progress-num {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-bg-dark);
}

.quote__progress-label {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--duration-normal);
}

.quote__progress-step.is-active .quote__progress-label,
.quote__progress-step.is-completed .quote__progress-label {
  color: var(--color-accent);
}

.quote__progress-line {
  flex: 1;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  margin: 0 var(--sp-sm);
  margin-bottom: 24px;
  max-width: 100px;
}

.quote__step {
  display: none;
}

.quote__step.is-active {
  display: block;
}

.quote__step h3 {
  text-align: center;
  margin-bottom: var(--sp-xl);
  font-size: var(--fs-xl);
}

.quote__options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--sp-md);
}

.quote__option {
  cursor: pointer;
}

.quote__option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.quote__option-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
  padding: var(--sp-xl) var(--sp-md);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast);
  text-align: center;
}

.quote__option input:checked + .quote__option-card {
  border-color: var(--color-accent);
  background: rgba(212, 175, 55, 0.1);
}

.quote__option-icon {
  font-size: 2rem;
}

.quote__option-text {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}

.quote__design-options {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
  margin-bottom: var(--sp-xl);
}

.quote__design-choice {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  cursor: pointer;
  font-size: var(--fs-sm);
}

.quote__design-choice input {
  accent-color: var(--color-accent);
  width: 18px;
  height: 18px;
}

.quote__dropzone {
  border: 2px dashed rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--sp-2xl);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--duration-fast);
  color: var(--color-text-muted);
}

.quote__dropzone:hover,
.quote__dropzone.is-dragover {
  border-color: var(--color-accent);
}

.quote__dropzone svg {
  margin: 0 auto var(--sp-md);
  color: var(--color-accent);
}

.quote__dropzone-hint {
  display: block;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: var(--sp-sm);
}

.quote__file-list {
  margin-top: var(--sp-md);
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.quote__file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-sm) var(--sp-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
}

.quote__file-remove {
  color: var(--color-text-muted);
  font-size: var(--fs-xs);
  padding: var(--sp-xs);
}

.quote__details-grid {
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
}

.quote__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-lg);
}

.quote__divider {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: var(--sp-sm) 0;
}

/* Dark section form overrides */
.section--dark .form-input,
.section--dark .form-select,
.section--dark .form-textarea {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--color-text-inverse);
}

.section--dark .form-input::placeholder,
.section--dark .form-textarea::placeholder {
  color: var(--color-text-muted);
}

.section--dark .form-input:focus,
.section--dark .form-select:focus,
.section--dark .form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}

.section--dark .form-label {
  color: var(--color-text-muted);
}

.quote__nav {
  display: flex;
  justify-content: center;
  gap: var(--sp-md);
  margin-top: var(--sp-2xl);
}

.quote__success {
  text-align: center;
  padding: var(--sp-3xl) 0;
}

.quote__success svg {
  margin: 0 auto var(--sp-xl);
}

.quote__success h3 {
  margin-bottom: var(--sp-md);
  color: var(--color-accent);
}

.quote__success p {
  color: var(--color-text-muted);
  max-width: 400px;
  margin-inline: auto;
}

/* --- Footer --- */
.footer {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding-top: var(--sp-4xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--sp-2xl);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  margin-bottom: var(--sp-lg);
}

.footer__desc {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--sp-lg);
}

.footer__social {
  display: flex;
  gap: var(--sp-md);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all var(--duration-fast);
}

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

.footer__heading {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  margin-bottom: var(--sp-lg);
  color: var(--color-accent);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}

.footer__links a {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}

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

.footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.footer__contact li {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.footer__contact a {
  color: var(--color-text-muted);
  transition: color var(--duration-fast);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--sp-3xl);
  padding: var(--sp-lg) 0;
}

.footer__bottom .page-width {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__bottom p {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.footer__parent-link {
  font-size: var(--fs-xs);
  color: var(--color-accent);
  transition: opacity var(--duration-fast);
}

.footer__parent-link:hover {
  opacity: 0.8;
}