/* Hair Extensions TR — Launch Page Stylesheet v2.0 (Light Editorial) */

:root {
  /* Light editorial palette — approved direction */
  --color-paper: #F5F2EC;
  --color-surface: #FBFAF7;
  --color-ink: #111315;
  --color-graphite: #24272A;
  --color-muted: #666864;
  --color-body: #55585A; /* accessible body-copy shade, slightly richer than --color-muted */
  --color-champagne: #B79A63;
  --color-champagne-deep: #9C7F4A; /* hover/active state only */
  --color-border: #D9D4CB;

  /* Controlled dark zones: hero, Final CTA, footer only */
  --color-dark: #101419;
  --color-dark-elevated: #181D23;
  --color-on-dark: #F5F2EC;
  --color-on-dark-muted: rgba(245, 242, 236, 0.68);
  --color-on-dark-border: rgba(245, 242, 236, 0.16);

  --font-serif: "Cormorant Garamond", "Georgia", "Times New Roman", serif;
  --font-sans: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --max-width: 72rem;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --radius: 0.25rem;
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-body);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-ink);
  text-decoration-color: var(--color-champagne);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
  transition: color var(--transition), text-decoration-color var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--color-graphite);
  text-decoration-color: var(--color-champagne-deep);
}

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

/* Dark zones (hero / final CTA / footer) need a light-coloured focus ring to stay visible */
.hero :focus-visible,
.section--dark :focus-visible,
.site-footer :focus-visible {
  outline-color: var(--color-paper);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  z-index: 100;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-ink);
  color: var(--color-paper);
  font-weight: 600;
  border-radius: var(--radius);
}

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

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header — light, calm, premium negative space */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  overflow: visible;
}

.site-header__bar {
  position: relative;
  z-index: 2;
  overflow: visible;
  background: rgba(245, 242, 236, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: 0.875rem;
}

.site-header.is-mega-open .site-header__bar {
  border-bottom-color: transparent;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
  min-height: 44px;
  justify-content: center;
}

.logo-mark {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-graphite);
  line-height: 1.15;
}

.logo-tagline {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-muted);
}

/* Desktop primary + utility */
.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.25rem;
  min-width: 0;
}

.nav-primary,
.nav-utility {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-primary {
  gap: 0.15rem;
  flex-wrap: nowrap;
}

.nav-utility {
  gap: 0.35rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--color-border);
  flex-shrink: 0;
}

.nav-item {
  position: static;
}

.nav-trigger {
  appearance: none;
  background: transparent;
  border: 0;
  margin: 0;
  cursor: pointer;
  color: var(--color-graphite);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.2;
  min-height: 44px;
  padding: 0.5rem 0.55rem;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.nav-trigger:hover,
.nav-trigger:focus-visible,
.nav-trigger[aria-expanded="true"] {
  color: var(--color-ink);
  border-bottom-color: var(--color-champagne);
}

.nav-utility__control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0.35rem 0.55rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-graphite);
  background: transparent;
  border: 0;
  border-radius: var(--radius);
}

a.nav-utility__control--active:hover,
a.nav-utility__control--active:focus-visible {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-champagne);
  text-underline-offset: 0.3em;
}

.nav-utility__control--planned {
  color: var(--color-muted);
  cursor: not-allowed;
  opacity: 0.72;
}

.nav-utility__control--lang {
  color: var(--color-ink);
  border: 1px solid var(--color-border);
  cursor: default;
}

/* Mega panels */
.mega-panel {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  z-index: 110;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 18px 40px rgba(17, 19, 21, 0.08);
  padding: 1.75rem 0 2rem;
  overflow: visible;
}

.mega-panel[hidden] {
  display: none !important;
}

.mega-panel__inner {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.75rem 2.5rem;
}

.mega-panel__inner--single {
  grid-template-columns: minmax(0, 22rem);
}

.mega-panel__inner--manufacturing {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 44rem;
}

.mega-col__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  line-height: 1.3;
}

.mega-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.mega-list li {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
}

.nav-link {
  font-size: 0.9375rem;
  line-height: 1.45;
  color: var(--color-graphite);
  text-decoration: none;
}

.nav-link--planned {
  color: var(--color-body);
  cursor: default;
  border-left: 2px solid transparent;
  padding-left: 0.55rem;
  margin-left: -0.55rem;
}

.nav-link--enquiry {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem;
  color: var(--color-ink);
  font-weight: 600;
  border-left: 2px solid var(--color-champagne);
  padding-left: 0.55rem;
  margin-left: -0.55rem;
  min-height: 44px;
  align-items: center;
}

.nav-link--enquiry:hover,
.nav-link--enquiry:focus-visible {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-color: var(--color-champagne);
  text-underline-offset: 0.25em;
}

.nav-link__meta {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-champagne-deep);
}

.nav-status {
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding-left: 0.55rem;
  margin-left: -0.55rem;
}

.nav-status--group {
  display: block;
  margin: 0 0 0.75rem;
  padding-left: 0;
  margin-left: 0;
  line-height: 1.45;
  max-width: 22rem;
}

.mega-truth {
  margin: 1.1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--color-muted);
  max-width: 22rem;
}

/* Mobile toggle */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-width: 44px;
  min-height: 44px;
  padding: 0.35rem 0.7rem;
  margin: 0;
  appearance: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-graphite);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-toggle__bars {
  width: 1rem;
  height: 0.7rem;
  display: inline-block;
  position: relative;
  border-top: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
}

.nav-toggle__bars::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  margin-top: -0.75px;
  background: currentColor;
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--color-champagne);
  color: var(--color-ink);
}

/* Mobile panel — full viewport shell; body scrolls under sticky header */
.nav-mobile {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: 100%;
  height: 100vh; /* fallback */
  height: 100dvh;
  z-index: 120;
  background: var(--color-paper);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  overscroll-behavior: none;
  padding: 0;
  box-sizing: border-box;
}

.nav-mobile[hidden] {
  display: none !important;
}

.nav-mobile__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex: 0 0 auto;
  position: sticky;
  top: 0;
  z-index: 2;
  margin: 0;
  padding: 1rem 1rem 0.75rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-paper);
}

.nav-mobile__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-ink);
}

.nav-mobile__close {
  appearance: none;
  min-width: 44px;
  min-height: 44px;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-graphite);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-mobile__body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 0 1rem 2.5rem;
}

.nav-accordion {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.nav-accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.nav-accordion__trigger {
  width: 100%;
  appearance: none;
  background: transparent;
  border: 0;
  margin: 0;
  min-height: 48px;
  padding: 0.85rem 0.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-graphite);
  cursor: pointer;
}

.nav-accordion__trigger::after {
  content: "+";
  font-size: 1.1rem;
  color: var(--color-champagne-deep);
  line-height: 1;
}

.nav-accordion__trigger[aria-expanded="true"]::after {
  content: "–";
}

.nav-accordion__panel {
  padding: 0 0 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.nav-accordion__panel[hidden] {
  display: none !important;
}

.nav-mobile__utility {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

html.nav-scroll-lock,
body.nav-scroll-lock {
  overflow: hidden;
  height: 100%;
  touch-action: none;
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .nav-desktop {
    display: flex;
  }

  .nav-mobile {
    display: none !important;
  }

  .site-header .container {
    width: min(100% - 2rem, 90rem);
  }
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .nav-trigger {
    font-size: 0.6875rem;
    letter-spacing: 0.045em;
    padding-inline: 0.4rem;
  }

  .nav-utility {
    gap: 0.15rem;
    padding-left: 0.5rem;
  }

  .nav-utility__control {
    min-width: 40px;
    padding-inline: 0.4rem;
    font-size: 0.6875rem;
  }

  .logo-tagline {
    max-width: 11rem;
  }
}

/* ============================================================
   Hero — cinematic, dark, video-driven (unchanged media layer)
   ============================================================ */
.hero {
  position: relative;
  padding-block: var(--space-2xl) var(--space-xl);
  background: var(--color-dark);
  overflow: hidden;
  color: var(--color-on-dark);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-media__poster,
.hero-media__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover; /* hero is full-bleed; section height rarely matches the 16:9 source exactly */
  object-position: 50% 35%; /* keeps subjects in the safe centre area on narrow/short viewports */
}

.hero-media__poster {
  z-index: 1;
}

.hero-media__video {
  z-index: 2;
}

/* Directional scrim: strong on the left (behind text), lighter toward the right
   so the temple architecture and gold structure stay visible — not a flat grey wash. */
.hero-media__scrim {
  position: absolute;
  inset: 0;
  z-index: 3;
  background:
    linear-gradient(
      100deg,
      rgba(16, 20, 25, 0.86) 0%,
      rgba(16, 20, 25, 0.62) 32%,
      rgba(16, 20, 25, 0.28) 58%,
      rgba(16, 20, 25, 0.06) 82%
    ),
    linear-gradient(
      180deg,
      rgba(16, 20, 25, 0.30) 0%,
      rgba(16, 20, 25, 0.05) 22%,
      rgba(16, 20, 25, 0.10) 55%,
      rgba(16, 20, 25, 0.58) 100%
    );
}

@media (prefers-reduced-motion: reduce) {
  .hero-media__video {
    display: none;
  }
}

.hero-media__video.is-suppressed {
  display: none;
}

.hero .container {
  position: relative;
  z-index: 4;
}

.hero-eyebrow {
  display: inline-block;
  margin-bottom: var(--space-sm);
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-champagne);
  background: rgba(183, 154, 99, 0.12);
  border: 1px solid rgba(183, 154, 99, 0.4);
  border-radius: 999px;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 4.6vw, 3.75rem);
  font-weight: 500;
  line-height: 1.14;
  margin: 0 0 var(--space-md);
  max-width: 16ch;
  color: #FFFFFF;
}

.hero-lead {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--color-on-dark-muted);
  max-width: 38rem;
  margin: 0 0 var(--space-lg);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--color-on-dark);
}

.hero-meta span {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--color-on-dark-border);
  border-radius: 999px;
  background: rgba(16, 20, 25, 0.25);
}

.hero-disclosure {
  margin: var(--space-lg) 0 0;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--color-on-dark-muted);
  max-width: 34rem;
}

/* ============================================================
   Sections — light editorial surfaces by default
   ============================================================ */
section {
  padding-block: var(--space-2xl);
  background: var(--color-paper);
  color: var(--color-body);
}

.section-header {
  margin-bottom: var(--space-lg);
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.875rem, 3.2vw, 2.75rem);
  font-weight: 500;
  line-height: 1.18;
  color: var(--color-ink);
  margin: 0 0 var(--space-sm);
}

.section-header p {
  color: var(--color-body);
  max-width: 40rem;
  margin: 0;
}

.section-divider {
  width: 3.5rem;
  height: 2px;
  background: var(--color-champagne);
  border: none;
  margin: 0 0 var(--space-lg);
}

/* Platform section — two-column editorial layout (text + reserved media panel) */
.platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: var(--space-2xl);
  align-items: start;
}

.platform-layout .section-header {
  margin-bottom: var(--space-lg);
}

.platform-media {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.platform-media__label {
  text-align: center;
  color: var(--color-muted);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  max-width: 18rem;
}

.platform-media__label strong {
  display: block;
  margin-bottom: var(--space-xs);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-graphite);
}

@media (max-width: 860px) {
  .platform-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .platform-media {
    aspect-ratio: 16 / 10;
  }
}

/* Grid cards */
.grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

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

.card h3 {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--color-ink);
  margin: 0 0 var(--space-xs);
}

.card p {
  margin: 0;
  color: var(--color-body);
  font-size: 0.9375rem;
}

/* Pillars */
.pillar-list {
  display: grid;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.pillar-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  align-items: start;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.pillar-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-champagne);
  line-height: 1;
}

.pillar-list h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-ink);
  margin: 0 0 0.35rem;
}

.pillar-list p {
  margin: 0;
  color: var(--color-body);
  font-size: 0.9375rem;
}

/* Development notice — quiet editorial note, not an alert box */
.notice {
  padding: var(--space-lg) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 2px solid var(--color-champagne);
  border-radius: var(--radius);
}

.notice h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.625rem;
  color: var(--color-ink);
  margin: 0 0 var(--space-xs);
}

.notice p {
  margin: 0;
  color: var(--color-body);
}

/* Final CTA (Contact) — one of the four permitted controlled-dark zones */
.section--dark {
  background: var(--color-graphite);
  color: var(--color-on-dark-muted);
}

.section--dark .section-header h2 {
  color: var(--color-on-dark);
}

.section--dark .section-header p {
  color: var(--color-on-dark-muted);
}

.section--dark .section-divider {
  background: var(--color-champagne);
}

.contact-block {
  display: grid;
  gap: var(--space-md);
}

.contact-block a {
  color: var(--color-champagne);
  font-weight: 600;
  text-decoration-color: rgba(183, 154, 99, 0.5);
}

.contact-block a:hover,
.contact-block a:focus-visible {
  color: var(--color-on-dark);
  text-decoration-color: var(--color-champagne);
}

/* Footer — controlled dark, distinct shade from the CTA above it */
.site-footer {
  padding-block: var(--space-lg);
  border-top: 1px solid var(--color-on-dark-border);
  background: var(--color-dark-elevated);
  color: var(--color-on-dark-muted);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
  font-size: 0.875rem;
}

.footer-inner p {
  margin: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav a {
  color: var(--color-on-dark-muted);
  text-decoration: none;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--color-champagne);
}

/* 404 */
.error-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-sm);
  background: var(--color-paper);
}

.error-page h1 {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8vw, 6rem);
  margin: 0;
  color: var(--color-ink);
}

.error-page p {
  color: var(--color-body);
  max-width: 28rem;
  margin: var(--space-md) auto;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: var(--color-ink);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--color-ink);
  border-radius: 999px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn:hover,
.btn:focus-visible {
  background: var(--color-ink);
  color: var(--color-paper);
  border-color: var(--color-ink);
}

@media (max-width: 640px) {
  .hero {
    padding-block: var(--space-xl) var(--space-lg);
  }

  .hero h1 {
    max-width: none;
  }

  .logo-tagline {
    max-width: 14rem;
  }
}

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

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