/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0f;
  --bg-surface: #111118;
  --bg-card: #16161f;
  --text: #f0f0f3;
  --text-muted: #c0c0c8;
  --text-dim: #8a8a96;
  --accent-1: #6e8efb;
  --accent-2: #c084fc;
  --accent-3: #f59e0b;
  --accent-4: #34d399;
  --border: #1e1e2a;
  --radius: 12px;
  --max-width: 960px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Georgia', 'Times New Roman', serif;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: var(--accent-1);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-2);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Nav ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}

.nav.scrolled {
  border-bottom-color: var(--border);
  background: rgba(10, 10, 15, 0.95);
}

.nav-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.5px;
}

.nav-logo:hover {
  color: var(--accent-1);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 90;
}

/* ===== Hero ===== */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 24px 64px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(110, 142, 251, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-location {
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-name {
  font-size: clamp(40px, 8vw, 72px);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(17px, 2.5vw, 20px);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
  font-family: var(--font-serif);
}

/* ===== Story ===== */
.story {
  padding: 64px 24px;
  border-top: 1px solid var(--border);
}

.story-content {
  max-width: 640px;
  margin: 0 auto;
}

.story-content p {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.story-content p:last-child {
  margin-bottom: 0;
}

.story-content strong {
  color: var(--text);
  font-weight: 600;
}

/* ===== Work ===== */
.work {
  padding: 64px 24px;
  border-top: 1px solid var(--border);
}

.section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 32px;
  text-align: center;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
  color: var(--text);
  text-decoration: none;
}

.card:hover {
  transform: translateY(-3px);
  border-color: #2a2a3a;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  color: var(--text);
}

.card-accent {
  height: 3px;
}

.accent-risa { background: var(--accent-1); }
.accent-eclipse { background: var(--accent-2); }
.accent-apps { background: var(--accent-3); }
.accent-nios { background: #8b5cf6; }
.accent-finance { background: var(--accent-4); }

.card-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-3);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  padding: 2px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.card-badge.badge-internal {
  color: #a78bfa;
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.2);
}

.card-full {
  grid-column: span 2;
  text-align: center;
}

.card-full .card-badge {
  margin-left: auto;
  margin-right: auto;
}

.card-domain {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.card-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===== Numbers ===== */
.numbers {
  padding: 64px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.numbers-intro {
  font-family: var(--font-serif);
  font-size: 17px;
  font-style: italic;
  color: var(--text-dim);
  margin-bottom: 32px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 24px;
  max-width: 700px;
  margin: 0 auto 40px;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text);
}

.stat-label {
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

.doi {
  font-size: 14px;
  color: var(--text-dim);
}

.doi a {
  color: var(--accent-1);
  font-family: monospace;
  font-size: 13px;
}

/* ===== Contact ===== */
.contact {
  padding: 64px 24px;
  border-top: 1px solid var(--border);
}

.contact-intro {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.contact-form {
  max-width: 480px;
  margin: 0 auto 32px;
}

/* Honeypot — invisible to humans */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
  pointer-events: none;
}

.form-group {
  margin-bottom: 16px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(110, 142, 251, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--accent-1);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn-submit:hover {
  background: #5a7ae8;
}

.btn-submit:active {
  transform: scale(0.98);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-status {
  text-align: center;
  font-size: 14px;
  margin-top: 12px;
  min-height: 20px;
}

.tally-container {
  max-width: 600px;
  margin: 0 auto 32px;
  min-height: 400px;
}

.contact-info {
  text-align: center;
}

.contact-info p {
  margin-bottom: 8px;
}

.contact-info a {
  color: var(--text-muted);
  font-size: 15px;
}

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

.social-links {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 16px;
}

.social-links a {
  color: var(--text-dim);
  transition: color 0.2s;
}

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

/* ===== Footer ===== */
.footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  margin-bottom: 24px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-dim);
}

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

.footer-copy {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.footer-sign {
  font-size: 12px;
  color: var(--text-dim);
  font-style: italic;
  opacity: 0.6;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--fade-delay, 0ms);
}

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

/* Staggered reveal for card and stat grids */
.cards .card:nth-child(1) { --fade-delay: 0ms; }
.cards .card:nth-child(2) { --fade-delay: 80ms; }
.cards .card:nth-child(3) { --fade-delay: 160ms; }
.cards .card:nth-child(4) { --fade-delay: 240ms; }
.cards .card:nth-child(5) { --fade-delay: 320ms; }

/* Stats wrapper uses .fade-in; individual .stat nodes stay visible so
   bots and no-JS users see the real numbers in the DOM at all times.
   When JS is available, the count-up animation starts the value at 0
   (set by script.js) before the observer animates it to the target. */

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .fade-in {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-dim);
  opacity: 0.6;
  animation: scroll-bob 2s ease-in-out infinite;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  padding: 8px;
}

.scroll-hint:hover {
  color: var(--text-muted);
  opacity: 1;
}

.scroll-hint.hidden {
  opacity: 0;
  visibility: hidden;
}

@keyframes scroll-bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 6px); }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-hint { animation: none; }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 260px;
    height: 100vh;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    border-left: 1px solid var(--border);
    z-index: 95;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 16px;
  }

  .nav-toggle {
    display: flex;
    z-index: 96;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .nav-overlay.open {
    display: block;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .card-full {
    grid-column: auto;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    padding: 100px 24px 60px;
    min-height: 80vh;
  }

  .story, .work, .numbers, .contact {
    padding: 64px 24px;
  }
}

@media (max-width: 400px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .nav {
    padding: 14px 20px;
  }

  .stat-value {
    font-size: 24px;
  }
}