/* ==========================================================================
   CLIO — Modern Greek, Marylebone
   Core stylesheet
   ========================================================================== */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* -------------------------------------------------------------------------
   Design tokens
   ------------------------------------------------------------------------- */
:root {
  /* Palette */
  --clio-green: #3f4d21;
  --clio-green-deep: #2d381a;
  --clio-green-soft: #5a6b35;
  --clio-green-wash: #e8e8d8;
  --clio-terracotta-wash: #ede0d0;
  --clio-cream: #f5ede0;
  --clio-cream-warm: #ede6d2;
  --clio-paper: #f7f3e8;
  --clio-terracotta: #b85840;
  --clio-terracotta-deep: #8f4330;
  --clio-aubergine: #3e2438;
  --clio-ink: #1f2414;
  --clio-ink-soft: #3f4a2c;
  --clio-mute: #7a7d68;
  --clio-line: rgba(63, 77, 33, 0.18);

  /* Typography */
  --font-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  /* Layout */
  --max-width: 1440px;
  --content-width: 1200px;
  --prose-width: 640px;
  --gutter: clamp(1.25rem, 4vw, 3rem);

  /* Transitions */
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--clio-green-deep);
  background: var(--clio-paper);
  overflow-x: hidden;
}

img, picture, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a { color: inherit; text-decoration: none; }

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* -------------------------------------------------------------------------
   Typography
   ------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.01em;
  color: var(--clio-green-deep);
}

.display-xl {
  font-size: clamp(3.5rem, 9vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  font-weight: 300;
}

.display-lg {
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 400;
}

.display-md {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.05;
  font-weight: 400;
}

.display-sm {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  line-height: 1.15;
  font-weight: 500;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clio-green);
  display: inline-block;
}

.eyebrow.terracotta { color: var(--clio-terracotta); }
.eyebrow.green { color: var(--clio-green); }

p { margin: 0 0 1em; }
.lede {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  line-height: 1.4;
  font-weight: 400;
  font-style: italic;
  color: var(--clio-ink-soft);
}

.small { font-size: 0.875rem; }

/* -------------------------------------------------------------------------
   Layout helpers
   ------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.container-wide {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.prose {
  max-width: var(--prose-width);
}

section {
  padding: var(--space-xl) 0;
}

.section-tight { padding: var(--space-lg) 0; }
.section-loose { padding: var(--space-2xl) 0; }

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  border-radius: 999px;
  transition: all 0.3s var(--ease);
  cursor: pointer;
}

.btn-primary {
  background: var(--clio-green);
  color: var(--clio-cream);
  border-color: var(--clio-green);
}

.btn-primary:hover {
  background: var(--clio-green-deep);
  border-color: var(--clio-green-deep);
  transform: translateY(-2px);
}

.btn-outline {
  background: var(--clio-green);
  color: var(--clio-cream);
  border-color: var(--clio-green);
}

.btn-outline:hover {
  background: var(--clio-green-deep);
  border-color: var(--clio-green-deep);
  color: var(--clio-cream);
  transform: translateY(-2px);
}

.btn-ghost-light {
  background: transparent;
  color: var(--clio-cream);
  border-color: var(--clio-cream);
}

.btn-ghost-light:hover {
  background: var(--clio-cream);
  color: var(--clio-green-deep);
  transform: translateY(-2px);
}

.btn .arrow {
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1;
  letter-spacing: 0;
}

/* -------------------------------------------------------------------------
   Header / Navigation
   ------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.4s var(--ease), padding 0.3s var(--ease);
}

.site-header.transparent {
  background: transparent;
}

.site-header.solid,
.site-header.scrolled {
  background: var(--clio-paper);
  border-bottom: 1px solid var(--clio-line);
  padding: 0.75rem var(--gutter);
}

.site-header.solid .nav-link,
.site-header.scrolled .nav-link {
  color: var(--clio-green-deep);
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  z-index: 110;
}

.logo-link img {
  height: 48px;
  width: auto;
  transition: height 0.3s var(--ease);
}

/* Logo variant swap — shown on transparent header, swapped when scrolled */
.logo-variant-green { display: none; }

.site-header.transparent:not(.scrolled) .logo-variant-white { display: block; }
.site-header.transparent:not(.scrolled) .logo-variant-green { display: none; }

.site-header.scrolled .logo-variant-white,
.site-header.solid .logo-variant-white { display: none; }
.site-header.scrolled .logo-variant-green,
.site-header.solid .logo-variant-green { display: block; }

.site-header.scrolled .logo-link img,
.site-header.solid .logo-link img {
  height: 40px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clio-cream);
  transition: color 0.2s var(--ease), opacity 0.2s var(--ease);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width 0.3s var(--ease);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--clio-green);
  background: var(--clio-green);
  color: var(--clio-cream) !important;
  border-radius: 999px;
  font-size: 0.7rem;
  transition: all 0.3s var(--ease);
}

.nav-cta:hover {
  background: var(--clio-green-deep);
  border-color: var(--clio-green-deep);
  transform: translateY(-1px);
}

/* Transparent header (homepage hero) — ghost until scrolled */
.site-header.transparent:not(.scrolled) .nav-cta {
  background: transparent;
  border-color: var(--clio-cream);
  color: var(--clio-cream) !important;
}

.site-header.transparent:not(.scrolled) .nav-cta:hover {
  background: var(--clio-cream);
  border-color: var(--clio-cream);
  color: var(--clio-green-deep) !important;
  transform: translateY(-1px);
}

/* The underline hover on nav-link shouldn't appear on the CTA button */
.nav-cta::after {
  display: none !important;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 110;
}

.menu-toggle span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 1px;
  background: currentColor;
  transition: all 0.3s var(--ease);
}

.menu-toggle span:nth-child(1) { top: 16px; }
.menu-toggle span:nth-child(2) { top: 22px; }
.menu-toggle span:nth-child(3) { top: 28px; }

.menu-toggle.open span:nth-child(1) {
  top: 22px;
  transform: rotate(45deg);
}
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) {
  top: 22px;
  transform: rotate(-45deg);
}

@media (max-width: 900px) {
  .menu-toggle { display: block; }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(100%, 420px);
    background: var(--clio-green-deep);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.75rem;
    padding: 5rem 2.5rem;
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
  }

  .main-nav.open { transform: translateX(0); }

  .main-nav .nav-link {
    color: var(--clio-cream);
    font-size: 1rem;
    font-family: var(--font-display);
    letter-spacing: 0.15em;
    text-transform: none;
    font-weight: 400;
  }

  .main-nav .nav-cta {
    margin-top: 1rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.75rem;
  }
}

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--clio-green-deep);
  color: var(--clio-cream);
  padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand img {
  height: 72px;
  width: auto;
  margin-bottom: 1.5rem;
}

.footer-brand p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.125rem;
  line-height: 1.4;
  color: rgba(245, 237, 224, 0.75);
  max-width: 260px;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--clio-terracotta);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-col a {
  font-size: 0.9375rem;
  color: rgba(245, 237, 224, 0.85);
  transition: color 0.2s var(--ease);
}

.footer-col a:hover { color: var(--clio-cream); }

.footer-col p {
  font-size: 0.9375rem;
  color: rgba(245, 237, 224, 0.85);
  margin-bottom: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(245, 237, 224, 0.12);
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
  color: rgba(245, 237, 224, 0.55);
}

/* -------------------------------------------------------------------------
   Hero patterns
   ------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  color: var(--clio-cream);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 1;
}

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

.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(31, 36, 20, 0.55) 0%,
      rgba(31, 36, 20, 0.25) 35%,
      rgba(31, 36, 20, 0.75) 80%,
      rgba(31, 36, 20, 0.88) 100%
    ),
    linear-gradient(
      90deg,
      rgba(31, 36, 20, 0.35) 0%,
      rgba(31, 36, 20, 0) 55%
    );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 var(--gutter) var(--space-xl);
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
}

.hero-content .eyebrow {
  color: var(--clio-cream);
  opacity: 1;
  margin-bottom: 1.5rem;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.5);
}

.hero h1 {
  color: var(--clio-cream);
  margin-bottom: 1.5rem;
  max-width: 14ch;
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.4);
}

.hero-subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.125rem, 1.5vw, 1.375rem);
  color: var(--clio-cream);
  max-width: 44ch;
  margin-bottom: 2.5rem;
  text-shadow: 0 1px 20px rgba(0, 0, 0, 0.5);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Page hero — smaller, for inner pages */
.page-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: flex-end;
  color: var(--clio-cream);
  overflow: hidden;
}

.page-hero .hero-content {
  padding-bottom: var(--space-lg);
}

.page-hero h1 {
  margin-bottom: 1rem;
}

/* -------------------------------------------------------------------------
   Decorative elements
   ------------------------------------------------------------------------- */
.ornament {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1rem 0;
}

.ornament-line {
  flex: 1;
  height: 1px;
  background: var(--clio-line);
  max-width: 80px;
}

.ornament-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--clio-terracotta);
}

.divider {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--clio-green);
  margin: 1.5rem 0 2rem;
  border: none;
}

.divider-terracotta { background: var(--clio-terracotta); }

.divider-centre {
  margin-left: auto;
  margin-right: auto;
}

/* -------------------------------------------------------------------------
   Reveal animations
   ------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
  }

  .reveal.in {
    opacity: 1;
    transform: translateY(0);
  }

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.25s; }
  .reveal-delay-3 { transition-delay: 0.4s; }
}

/* -------------------------------------------------------------------------
   Utilities
   ------------------------------------------------------------------------- */
.text-centre { text-align: center; }
.bg-cream { background: var(--clio-cream); }
.bg-wash { background: var(--clio-green-wash); }
.bg-warm { background: var(--clio-terracotta-wash); }
.bg-paper { background: var(--clio-paper); }
.bg-green { background: var(--clio-green); color: var(--clio-cream); }
.bg-green-deep { background: var(--clio-green-deep); color: var(--clio-cream); }
.bg-aubergine { background: var(--clio-aubergine); color: var(--clio-cream); }

.bg-green h1, .bg-green h2, .bg-green h3,
.bg-green-deep h1, .bg-green-deep h2, .bg-green-deep h3,
.bg-aubergine h1, .bg-aubergine h2, .bg-aubergine h3 {
  color: var(--clio-cream);
}

.bg-green .eyebrow,
.bg-green-deep .eyebrow,
.bg-aubergine .eyebrow {
  color: var(--clio-terracotta);
}