/* ==========================================================================
   Theme: Deep Emerald
   Fonts: Fraunces (display/serif) + Space Grotesk (body/UI) + Space Mono (stats)
   ========================================================================== */

@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url('../fonts/fraunces-variable.woff2') format('woff2');
}

@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 300 900;
  font-display: swap;
  src: url('../fonts/fraunces-italic-variable.woff2') format('woff2');
}

@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/space-grotesk-variable.woff2') format('woff2');
}

@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/space-mono-400.woff2') format('woff2');
}

@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/space-mono-700.woff2') format('woff2');
}

@font-face {
  font-family: 'Bastliga One';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/bastliga-one.woff2') format('woff2');
}

:root {
  /* Deep Emerald palette */
  --bg:            #0A1210;
  --bg-raised:     #101917;
  --bg-raised-2:   #16211E;
  --border:        #1F2E29;
  --border-strong: #2B3F38;

  --text:          #F2F5F3;
  --text-muted:    #A9B7B2;
  --text-faint:    #7C8A83;

  --accent:        #2ECC71;
  --accent-hover:  #45E085;
  --accent-dim:    #1B8A5A;
  --accent-ink:    #06120C; /* text-on-accent */

  --accent-rgb: 46, 204, 113;

  /* Type */
  --font-display: 'Fraunces', ui-serif, Georgia, serif;
  --font-body:    'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'Space Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-script:  'Bastliga One', cursive;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 9rem;

  --container-w: 1200px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 0.2s;
  --dur-med: 0.5s;
  --dur-slow: 0.9s;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-3);
  z-index: 1000;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.75em 1.2em;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 500;
  transition: top var(--dur-fast) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-3);
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  position: relative;
  padding: var(--space-7) 0;
}

@media (max-width: 720px) {
  .section {
    padding: var(--space-6) 0;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0;
}

.h1 {
  font-size: clamp(2.75rem, 3.2rem + 3vw, 6.5rem);
  font-weight: 600;
}

.h2 {
  font-size: clamp(2rem, 1.6rem + 2.4vw, 3.75rem);
  font-weight: 600;
}

.h3 {
  font-size: clamp(1.4rem, 1.2rem + 1vw, 1.9rem);
  font-weight: 600;
}

.italic {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}

p {
  margin: 0;
}

.lede {
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.35rem);
  color: var(--text-muted);
  max-width: 46ch;
}

/* Buttons */
.btn {
  --btn-fg: var(--accent-ink);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.95em 1.7em;
  border-radius: 999px;
  background: var(--accent);
  color: var(--btn-fg);
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}

.btn:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -10px rgba(var(--accent-rgb), 0.5);
}

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

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: rgba(var(--accent-rgb), 0.08);
  border-color: var(--accent);
  box-shadow: none;
  color: var(--text);
}

.btn-icon {
  transition: transform var(--dur-fast) var(--ease-out);
}

.btn:hover .btn-icon {
  transform: translate(3px, -3px);
}

/* Scroll reveal primitive */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
  }
}