/* ===========================
   TALYVEN DESIGN TOKENS
   =========================== */

:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts */
  --font-display: 'Cabin', 'DM Sans', 'Helvetica Neue', sans-serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
}

/* ===========================
   LIGHT THEME (Talyven Navy/Gold)
   =========================== */
:root,
[data-theme='light'] {
  --color-bg: #f5f4f0;
  --color-surface: #faf9f6;
  --color-surface-2: #ffffff;
  --color-surface-offset: #edeae4;
  --color-divider: #d8d4cc;
  --color-border: #ccc8be;

  --color-text: #1A2E5A;
  --color-text-muted: #5a6a8a;
  --color-text-faint: #9aa4b8;
  --color-text-inverse: #f5f4f0;

  --color-primary: #1A2E5A;
  --color-primary-hover: #0f1e3d;
  --color-accent: #F5A623;
  --color-accent-hover: #d9900e;
  --color-accent-dark: #B8832C;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 260 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.02 260 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.2 0.02 260 / 0.12);
}

/* ===========================
   DARK THEME
   =========================== */
[data-theme='dark'] {
  --color-bg: #0d1526;
  --color-surface: #121b30;
  --color-surface-2: #162038;
  --color-surface-offset: #0f1929;
  --color-divider: #1e2c48;
  --color-border: #283a5a;

  --color-text: #d8dce6;
  --color-text-muted: #8a96b2;
  --color-text-faint: #4e5a76;
  --color-text-inverse: #0d1526;

  --color-primary: #d8dce6;
  --color-primary-hover: #f0f2f7;
  --color-accent: #F5A623;
  --color-accent-hover: #ffc04d;
  --color-accent-dark: #B8832C;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0d1526;
    --color-surface: #121b30;
    --color-surface-2: #162038;
    --color-surface-offset: #0f1929;
    --color-divider: #1e2c48;
    --color-border: #283a5a;

    --color-text: #d8dce6;
    --color-text-muted: #8a96b2;
    --color-text-faint: #4e5a76;
    --color-text-inverse: #0d1526;

    --color-primary: #d8dce6;
    --color-primary-hover: #f0f2f7;
    --color-accent: #F5A623;
    --color-accent-hover: #ffc04d;
    --color-accent-dark: #B8832C;

    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.5);
  }
}

/* ===========================
   LAYOUT
   =========================== */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-8);
  }
}

/* ===========================
   HEADER
   =========================== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: var(--space-4) 0;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  height: 56px;
  width: auto;
}

@media (min-width: 768px) {
  .header__logo {
    height: 68px;
  }
}

.header__logo--light {
  display: block;
}
.header__logo--dark {
  display: none;
}

[data-theme='dark'] .header__logo--light {
  display: none;
}
[data-theme='dark'] .header__logo--dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .header__logo--light {
    display: none;
  }
  :root:not([data-theme]) .header__logo--dark {
    display: block;
  }
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* ===========================
   HERO
   =========================== */
.hero {
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: clamp(var(--space-6), 4vw, var(--space-12)) 0;
}

@media (min-width: 768px) {
  .hero {
    min-height: auto;
  }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.hero__content {
  order: 2;
}

@media (min-width: 768px) {
  .hero__content {
    order: 1;
  }
}

.hero__mark {
  width: 56px;
  height: auto;
  margin-bottom: var(--space-6);
  opacity: 0.9;
}

.hero__eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 48ch;
  margin-bottom: var(--space-8);
  line-height: 1.7;
}

.hero__image-wrapper {
  order: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

@media (min-width: 768px) {
  .hero__image-wrapper {
    order: 2;
    aspect-ratio: auto;
  }
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ===========================
   PHILOSOPHY / VALUES
   =========================== */
.values {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
}

.values__header {
  max-width: 52ch;
  margin-bottom: var(--space-12);
}

.values__eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.values__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.values__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
}

.values__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .values__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

.value-card {
  padding: var(--space-6) var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.06);
}

.value-card__number {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  display: block;
}

.value-card__title {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.value-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===========================
   IMAGE BREAK
   =========================== */
.image-break {
  padding: clamp(var(--space-8), 5vw, var(--space-16)) 0;
}

.image-break__img {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
  max-height: 420px;
}

/* ===========================
   CTA / NOTIFY SECTION
   =========================== */
.cta {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
  text-align: center;
}

.cta__mark {
  width: 48px;
  height: auto;
  margin: 0 auto var(--space-6);
  opacity: 0.8;
}

.cta__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.cta__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 44ch;
  margin: 0 auto var(--space-8);
}

.cta__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: 0.04em;
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
}

.cta__link:hover {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.cta__link svg {
  width: 16px;
  height: 16px;
  display: inline;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  padding: var(--space-8) 0;
  border-top: 1px solid oklch(from var(--color-text) l c h / 0.08);
}

.footer .container {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 768px) {
  .footer .container {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__logo {
  height: 33px;
  width: auto;
  opacity: 0.6;
}

.footer__logo--light {
  display: block;
}
.footer__logo--dark {
  display: none;
}

[data-theme='dark'] .footer__logo--light {
  display: none;
}
[data-theme='dark'] .footer__logo--dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .footer__logo--light {
    display: none;
  }
  :root:not([data-theme]) .footer__logo--dark {
    display: block;
  }
}

.footer__text {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__links {
  display: flex;
  gap: var(--space-6);
}

.footer__links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
}

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

/* ===========================
   NEWSLETTER FORM
   =========================== */
.newsletter-form {
  display: flex;
  gap: var(--space-3);
  max-width: 440px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.newsletter-form input {
  flex: 1;
  min-width: 220px;
  padding: var(--space-3) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-sm);
}

.newsletter-form input::placeholder {
  color: var(--color-text-faint);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px oklch(from var(--color-accent) l c h / 0.15);
}

.newsletter-form button {
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
}

.newsletter-form button:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.newsletter-form button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.newsletter-feedback {
  text-align: center;
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  min-height: 1.5em;
}

.newsletter-feedback.success {
  color: var(--color-accent);
}

.newsletter-feedback.error {
  color: #d44;
}

/* ===========================
   IMAGE GALLERY (3 photos)
   =========================== */
.image-gallery {
  padding: clamp(var(--space-6), 4vw, var(--space-12)) 0;
}

.image-gallery__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .image-gallery__grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.image-gallery__item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
}

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

/* ===========================
   SCROLL ANIMATIONS
   =========================== */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger > .fade-in:nth-child(1) { transition-delay: 0ms; }
.stagger > .fade-in:nth-child(2) { transition-delay: 80ms; }
.stagger > .fade-in:nth-child(3) { transition-delay: 160ms; }
.stagger > .fade-in:nth-child(4) { transition-delay: 240ms; }