/* ============================================
   Wilson Creative LLC — Design Tokens & Styles
   ============================================ */

: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;

  /* Typography */
  --font-display: 'Clash Display', 'Helvetica Neue', sans-serif;
  --font-body: 'Switzer', 'Helvetica Neue', sans-serif;

  /* 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);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

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

/* ---- DARK MODE (default for holding company) ---- */
:root, [data-theme="dark"] {
  --color-bg:             #0d0d0d;
  --color-surface:        #151515;
  --color-surface-2:      #1a1a1a;
  --color-surface-offset: #111111;
  --color-divider:        #2a2a2a;
  --color-border:         #333333;

  --color-text:           #e8e6e1;
  --color-text-muted:     #8a8880;
  --color-text-faint:     #555550;
  --color-text-inverse:   #0d0d0d;

  /* Gold accent */
  --color-primary:        #c9a84c;
  --color-primary-hover:  #b8963e;
  --color-primary-active: #a68530;
  --color-primary-highlight: #2e2a1e;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 12px 40px oklch(0 0 0 / 0.5);
}

/* ---- LIGHT MODE ---- */
[data-theme="light"] {
  --color-bg:             #f5f4f0;
  --color-surface:        #ffffff;
  --color-surface-2:      #fafaf8;
  --color-surface-offset: #edecea;
  --color-divider:        #d8d6d0;
  --color-border:         #c8c6c0;

  --color-text:           #1a1a18;
  --color-text-muted:     #6b6a65;
  --color-text-faint:     #a0a09a;
  --color-text-inverse:   #f5f4f0;

  --color-primary:        #9a7b2e;
  --color-primary-hover:  #856a28;
  --color-primary-active: #705820;
  --color-primary-highlight: #f0e8d0;

  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
  --shadow-md: 0 4px 16px oklch(0.2 0.01 80 / 0.1);
  --shadow-lg: 0 12px 40px oklch(0.2 0.01 80 / 0.15);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg:             #f5f4f0;
    --color-surface:        #ffffff;
    --color-surface-2:      #fafaf8;
    --color-surface-offset: #edecea;
    --color-divider:        #d8d6d0;
    --color-border:         #c8c6c0;
    --color-text:           #1a1a18;
    --color-text-muted:     #6b6a65;
    --color-text-faint:     #a0a09a;
    --color-text-inverse:   #f5f4f0;
    --color-primary:        #9a7b2e;
    --color-primary-hover:  #856a28;
    --color-primary-active: #705820;
    --color-primary-highlight: #f0e8d0;
    --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
    --shadow-md: 0 4px 16px oklch(0.2 0.01 80 / 0.1);
    --shadow-lg: 0 12px 40px oklch(0.2 0.01 80 / 0.15);
  }
}

/* ============================================
   Layout
   ============================================ */

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

/* ============================================
   Header / Nav
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid oklch(from var(--color-border) l c h / 0.15);
  transition: box-shadow 0.3s var(--ease-out);
}

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

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.header__logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.header__logo-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.2;
}

.header__logo-text span {
  display: block;
  font-weight: 400;
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

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

.theme-toggle:hover {
  color: var(--color-text);
  background: oklch(from var(--color-text) l c h / 0.08);
}

/* ============================================
   Hero
   ============================================ */

.hero {
  min-height: 55vh;
  display: flex;
  align-items: center;
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  position: relative;
  overflow: hidden;
}

.hero__content {
  max-width: 720px;
}

.hero__eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: 1.05;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.hero__title em {
  font-style: normal;
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.7;
}

/* Decorative grid */
.hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(oklch(from var(--color-divider) l c h / 0.3) 1px, transparent 1px),
    linear-gradient(90deg, oklch(from var(--color-divider) l c h / 0.3) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* ============================================
   Companies Section
   ============================================ */

.companies {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.companies__header {
  text-align: left;
  margin-bottom: clamp(var(--space-10), 4vw, var(--space-16));
}

.companies__label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.companies__heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
}

.companies__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 900px) {
  .companies__grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

/* ============================================
   Company Card
   ============================================ */

.company-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-border) l c h / 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-decoration: none;
  color: var(--color-text);
  transition: transform var(--transition-interactive),
              box-shadow var(--transition-interactive),
              border-color var(--transition-interactive);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.company-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: oklch(from var(--color-primary) l c h / 0.3);
}

.company-card:active {
  transform: translateY(0);
}

.company-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-6);
  color: var(--color-primary);
}

.company-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  line-height: 1.2;
}

.company-card__type {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.company-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: var(--space-6);
}

.company-card__projects {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.company-card__tag {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
  background: oklch(from var(--color-primary) l c h / 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.company-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  margin-top: auto;
}

.company-card__link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-interactive);
}

.company-card:hover .company-card__link svg {
  transform: translateX(4px);
}

/* ============================================
   About Section
   ============================================ */

.about {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
  border-top: 1px solid var(--color-divider);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 4vw, var(--space-16));
  align-items: start;
}

@media (max-width: 768px) {
  .about__inner {
    grid-template-columns: 1fr;
  }
}

.about__label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.about__heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.about__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.about__text + .about__text {
  margin-top: var(--space-4);
}

.about__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about__detail-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.about__detail-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.about__detail-value {
  font-size: var(--text-base);
  color: var(--color-text);
  font-weight: 500;
}

.about__detail-value a {
  color: var(--color-primary);
  text-decoration: none;
}

.about__detail-value a:hover {
  text-decoration: underline;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-8);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  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-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

/* ============================================
   Scroll Animations
   ============================================ */

.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* For browsers without scroll-driven animations, use IntersectionObserver fallback */
.reveal {
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
}