@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Inter:wght@300;400;500;600;display=swap');

/* =========================================
   SIGNATURE LEAF LIMITED — GLOBAL DESIGN SYSTEM
   Step 1: Foundation & tokens
   ========================================= */

:root {
  /* Brand colors */
  --color-primary-gold: #CE912A;
  --color-deep-gold: #9B6D1F;
  --color-light-gold: #E2B871;
  --color-dark-charcoal: #191918;
  --color-secondary-text: #555555;
  --color-pure-white: #FFFFFF;
  --color-warm-off-white: #F9F9FA;
  --color-subtle-warm-section: #F9F9FA;
  --color-border: #E6E0D6;

  /* Functional aliases */
  --color-text: var(--color-dark-charcoal);
  --color-text-muted: var(--color-secondary-text);
  --color-background: var(--color-pure-white);
  --color-background-warm: var(--color-warm-off-white);
  --color-background-subtle: var(--color-subtle-warm-section);
  --color-accent: var(--color-primary-gold);

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;

  /* Spacing scale (1 unit = 0.25rem) */
  --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;

  /* Layout */
  --container-max: 1280px;
  --container-narrow: 980px;
  --section-padding-y: var(--space-24);
  --section-padding-y-sm: var(--space-16);

  /* Shapes */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(25, 25, 24, 0.04);
  --shadow-md: 0 4px 12px rgba(25, 25, 24, 0.06);
  --shadow-lg: 0 12px 32px rgba(25, 25, 24, 0.08);

  /* Motion */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.35s ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-background);
}

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

a {
  color: var(--color-primary-gold);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-deep-gold);
}

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

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-10);
    padding-right: var(--space-10);
  }
}

/* Section */
.section {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

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

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

@media (max-width: 767px) {
  .section {
    padding-top: var(--section-padding-y-sm);
    padding-bottom: var(--section-padding-y-sm);
  }
}

/* Typography */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary-gold);
  margin-bottom: var(--space-4);
}

.eyebrow::after {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background-color: var(--color-primary-gold);
  margin-top: var(--space-2);
}

.heading-1,
.heading-2,
.heading-3,
.heading-4,
.heading-5,
.heading-6 {
  font-family: var(--font-heading);
  color: var(--color-text);
  margin-top: 0;
  margin-bottom: var(--space-4);
  font-weight: 600;
  line-height: 1.15;
}

.heading-1 {
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.05;
  font-weight: 700;
}

.heading-2 {
  font-size: clamp(1.875rem, 4vw, 3rem);
  line-height: 1.1;
}

.heading-3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.15;
}

.heading-4 {
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  line-height: 1.25;
}

.body-large {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-text-muted);
}

.body {
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
}

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

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-pure-white);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
}

.site-header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-header__logo img {
  height: 56px;
  width: auto;
}

/* Nav links */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav__list {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-5);
  white-space: nowrap;
}

.nav__link {
  position: relative;
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.04em;
  padding: var(--space-2) 0;
  transition: color var(--transition-base);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary-gold);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link[aria-current='page'] {
  color: var(--color-dark-charcoal);
}

.nav__link:hover::after,
.nav__link[aria-current='page']::after {
  width: 100%;
}

.nav__link[aria-current='page']::after {
  width: 24px;
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.nav__toggle-bar {
  display: block;
  position: relative;
  width: 24px;
  height: 2px;
  background-color: var(--color-dark-charcoal);
  transition: var(--transition-base);
}

.nav__toggle-bar::before,
.nav__toggle-bar::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-dark-charcoal);
  transition: var(--transition-base);
}

.nav__toggle-bar::before {
  top: -7px;
}

.nav__toggle-bar::after {
  top: 7px;
}

.nav__toggle[aria-expanded='true'] .nav__toggle-bar {
  background-color: transparent;
}

.nav__toggle[aria-expanded='true'] .nav__toggle-bar::before {
  top: 0;
  transform: rotate(45deg);
}

.nav__toggle[aria-expanded='true'] .nav__toggle-bar::after {
  top: 0;
  transform: rotate(-45deg);
}

@media (max-width: 1023px) {
  .nav__toggle {
    display: flex;
  }

  .nav__list {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-6);
    background-color: var(--color-pure-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .nav__list--open {
    display: flex;
  }

  .nav__item {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .nav__item:last-child {
    border-bottom: none;
  }

  .nav__link {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--text-base);
  }

  .nav__link::after {
    bottom: var(--space-2);
  }

  .nav .btn {
    margin-top: var(--space-4);
    width: 100%;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-6);
  cursor: pointer;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              transform var(--transition-fast);
}

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

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background-color: var(--color-primary-gold);
  color: var(--color-dark-charcoal);
  border-color: var(--color-primary-gold);
}

.btn--primary:hover {
  background-color: var(--color-deep-gold);
  border-color: var(--color-deep-gold);
  color: var(--color-dark-charcoal);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-dark-charcoal);
  border-color: var(--color-primary-gold);
}

.btn--secondary:hover {
  background-color: var(--color-primary-gold);
  color: var(--color-dark-charcoal);
  border-color: var(--color-primary-gold);
}

.btn--small {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* Card */
.card {
  background-color: var(--color-pure-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary-gold);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-gold);
  margin-bottom: var(--space-3);
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  margin: 0 0 var(--space-3);
  line-height: 1.25;
}

.card__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* Image container */
.image-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--color-subtle-warm-section);
  aspect-ratio: 16 / 9;
}

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

.image-frame:hover img,
.image-frame:hover picture {
  transform: scale(1.03);
}

.image-frame__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6);
  background: linear-gradient(to top, rgba(25, 25, 24, 0.75), transparent);
  color: var(--color-pure-white);
}

/* Footer foundation */
.site-footer {
  background-color: var(--color-dark-charcoal);
  color: var(--color-pure-white);
  padding: var(--space-12) 0;
}

.site-footer a {
  color: var(--color-light-gold);
}

.site-footer a:hover {
  color: var(--color-primary-gold);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-12);
  }
}

.footer__logo {
  display: block;
  margin-bottom: var(--space-4);
}

.footer__logo img {
  height: 48px;
  width: auto;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--color-light-gold);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin: 0;
}

.footer__heading {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-pure-white);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin: 0 0 var(--space-4);
}

.footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__links li {
  margin-bottom: var(--space-3);
}

.footer__links a {
  color: rgba(255, 255, 255, .7);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-base);
}

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

.footer__contact-text {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, .7);
  margin: 0 0 var(--space-3);
}

.footer__contact-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary-gold);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer__contact-link:hover {
  color: var(--color-light-gold);
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  padding-top: var(--space-10);
  border-top: 1px solid rgba(255, 255, 255, .15);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-6);
  }
}

.footer__copyright {
  color: rgba(255, 255, 255, .5);
  font-size: var(--text-xs);
  margin: 0;
}

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

.footer__legal a {
  color: rgba(255, 255, 255, .5);
  font-size: var(--text-xs);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer__legal a:hover {
  color: var(--color-primary-gold);
}

/* Design-system preview helpers */
.preview-section {
  border-bottom: 1px solid var(--color-border);
}

.preview-section:last-child {
  border-bottom: none;
}

.preview-title {
  margin-bottom: var(--space-8);
}

.swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.swatch {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.swatch__color {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.swatch__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.swatch__value {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-family: 'SFMono-Regular', Consolas, monospace;
}

.type-sample {
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.type-sample:last-child {
  border-bottom: none;
}

.type-sample__label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary-gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.vh-hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

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