/* =====================================================
   GREGORY GLANCE — Coming Soon
   Dark-first, engineering-minimal aesthetic
   ===================================================== */

/* === TOKENS === */
:root,
[data-theme='dark'] {
  --color-bg: #0e0f0f;
  --color-surface: #131515;
  --color-surface-2: #181a1a;
  --color-border: #252828;
  --color-divider: #1f2222;
  --color-text: #d6d8d7;
  --color-text-muted: #6b706f;
  --color-text-faint: #353b3a;
  --color-primary: #4fa89a;
  --color-primary-hover: #3a8f83;
  --color-primary-highlight: #1e3532;

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --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);

  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 16px oklch(0 0 0 / 0.4);

  --content-default: 960px;
}

[data-theme='light'] {
  --color-bg: #f5f6f5;
  --color-surface: #f9faf9;
  --color-surface-2: #ffffff;
  --color-border: #dde0de;
  --color-divider: #e5e8e6;
  --color-text: #1a1f1e;
  --color-text-muted: #5c6361;
  --color-text-faint: #b8bebb;
  --color-primary: #16756a;
  --color-primary-hover: #0e5a50;
  --color-primary-highlight: #d2eae7;

  --shadow-sm: 0 1px 3px oklch(0.2 0.01 165 / 0.08);
  --shadow-md: 0 4px 16px oklch(0.2 0.01 165 / 0.1);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  transition: background var(--transition), color var(--transition);
}
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }

/* === HEADER === */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in oklab, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background var(--transition), border-color var(--transition);
}
.header-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  transition: color var(--transition), opacity var(--transition);
}
.logo:hover { opacity: 0.75; }
.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-base);
  letter-spacing: 0.01em;
}
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition), background var(--transition);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 80px; /* header offset */
}

/* Subtle dot grid background */
.grid-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--color-text-faint) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.35;
  pointer-events: none;
}

/* Animated ring system — centered */
.accent-ring {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  color: var(--color-primary);
  opacity: 0.18;
}
.accent-ring svg {
  width: clamp(320px, 60vw, 600px);
  height: clamp(320px, 60vw, 600px);
}
.ring-1 { animation: spin 80s linear infinite; }
.ring-2 { animation: spin 50s linear infinite reverse; }
.ring-3 { animation: spin 30s linear infinite; }
.ring-dot { animation: pulse 4s ease-in-out infinite; }

@keyframes spin {
  from { transform-origin: 200px 200px; transform: rotate(0deg); }
  to   { transform-origin: 200px 200px; transform: rotate(360deg); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; r: 6; }
  50% { opacity: 0.4; r: 4; }
}

/* Hero photo */
.hero-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow-md);
  margin-bottom: calc(var(--space-2) * -1);
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-8) var(--space-6);
  max-width: 680px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: 0.35em 0.9em;
  border-radius: var(--radius-full, 9999px);
  border: 1px solid var(--color-primary);
  transition: background var(--transition);
}

.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.hero-heading em {
  font-style: italic;
  color: var(--color-primary);
}

.hero-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 50ch;
}

/* Contact links */
.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  margin-top: var(--space-2);
}
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.55em 1.1em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.contact-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: float 3s ease-in-out infinite;
  z-index: 2;
}
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* === ABOUT STRIP === */
.about-strip {
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) var(--space-6);
  background: var(--color-surface);
  transition: background var(--transition), border-color var(--transition);
}
.strip-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  align-items: center;
  justify-content: center;
}
.strip-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  flex: 1 1 220px;
  max-width: 280px;
}
.strip-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-primary);
  flex-shrink: 0;
}
.strip-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.2em;
}
.strip-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.55;
}
.strip-divider {
  width: 1px;
  height: 48px;
  background: var(--color-divider);
  flex-shrink: 0;
}
@media (max-width: 600px) {
  .strip-divider { display: none; }
  .strip-item { max-width: 100%; flex-basis: 100%; }
}

/* === FOOTER === */
.footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  padding: var(--space-6);
  transition: border-color var(--transition);
}
.footer-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Responsive */
.break-md { display: none; }
@media (min-width: 640px) { .break-md { display: inline; } }

@media (max-width: 480px) {
  .logo-text { display: none; }
  .contact-row { flex-direction: column; align-items: center; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}