/* ── Tokens ── */
:root,
[data-theme='dark'] {
  --color-bg: #080c14;
  --color-surface: #0d1220;
  --color-surface-offset: #161e2e;
  --color-surface-dynamic: #243047;
  --color-border: #1e2a3e;
  --color-text: #e8ecf2;
  --color-text-muted: #7d8fa8;
  --color-text-faint: #3d4e65;
  --color-gold: #c9a84c;
  --color-gold-hover: #dfc06e;
  --color-gold-highlight: rgba(201,168,76,0.1);
  --shadow-glow: 0 0 60px rgba(201,168,76,0.08);

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', 'Helvetica Neue', 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(1.25rem,  1rem + 0.75vw, 1.625rem);
  --text-2xl:  clamp(2rem,     1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(3.5rem,   1rem + 7vw, 7.5rem);

  --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;

  --radius-sm: 0.25rem;
  --radius-full: 9999px;
  --transition: 200ms cubic-bezier(0.16,1,0.3,1);
}

[data-theme='light'] {
  --color-bg: #f5f3ee;
  --color-surface: #faf9f6;
  --color-surface-offset: #ece9e2;
  --color-surface-dynamic: #d8d3c8;
  --color-border: #ddd9d0;
  --color-text: #1a1610;
  --color-text-muted: #6b6355;
  --color-text-faint: #b0a898;
  --color-gold: #9a6f1a;
  --color-gold-hover: #b8851f;
  --color-gold-highlight: rgba(154,111,26,0.1);
  --shadow-glow: 0 0 60px rgba(154,111,26,0.06);
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #f5f3ee; --color-surface: #faf9f6;
    --color-surface-offset: #ece9e2; --color-surface-dynamic: #d8d3c8;
    --color-border: #ddd9d0; --color-text: #1a1610;
    --color-text-muted: #6b6355; --color-text-faint: #b0a898;
    --color-gold: #9a6f1a; --color-gold-hover: #b8851f;
    --color-gold-highlight: rgba(154,111,26,0.1);
    --shadow-glow: 0 0 60px rgba(154,111,26,0.06);
  }
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}
body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  transition: background 0.3s ease, color 0.3s ease;
}
img, svg { display: block; max-width: 100%; height: auto; }
h1,h2,h3 { font-family: var(--font-display); font-weight: 300; line-height: 1.08; text-wrap: balance; }
p, li { text-wrap: pretty; max-width: 56ch; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
a, button { transition: color var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition); }
::selection { background: rgba(201,168,76,0.2); }
:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 3px; border-radius: var(--radius-sm); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1040px;
  margin-inline: auto;
  padding-inline: clamp(var(--space-6), 6vw, var(--space-16));
}
.section { padding-block: clamp(var(--space-16), 12vw, var(--space-32)); }

/* ── Header ── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--color-border);
}
.nav {
  display: flex; align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo { color: var(--color-text); text-decoration: none; flex-shrink: 0; }
.logo-svg { width: 150px; height: auto; overflow: visible; }
.nav-controls { display: flex; align-items: center; gap: var(--space-5); }
.nav-cta {
  color: var(--color-gold);
  text-decoration: none;
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--color-gold);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-sm);
}
.nav-cta:hover { background: var(--color-gold-highlight); }
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.theme-toggle:hover { color: var(--color-text); border-color: var(--color-gold); }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: 0.55; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    140deg,
    color-mix(in srgb, var(--color-bg) 72%, transparent) 0%,
    color-mix(in srgb, var(--color-bg) 30%, transparent) 60%,
    color-mix(in srgb, var(--color-bg) 55%, transparent) 100%
  );
}
[data-theme='light'] .hero-overlay {
  background: linear-gradient(
    140deg,
    color-mix(in srgb, var(--color-bg) 82%, transparent) 0%,
    color-mix(in srgb, var(--color-bg) 45%, transparent) 60%,
    color-mix(in srgb, var(--color-bg) 65%, transparent) 100%
  );
}
.hero-content {
  position: relative; z-index: 1;
  padding-block: var(--space-32);
  margin-top: 68px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-10);
}
.hero-eyebrow {
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.hero-heading {
  font-size: var(--text-hero);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: var(--color-text);
}
.hero-heading em { font-style: italic; color: var(--color-gold); }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  padding: var(--space-3) var(--space-8);
  background: var(--color-gold);
  color: #080c14;
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-sm);
}
[data-theme='light'] .btn-primary { color: #f5f3ee; }
.btn-primary:hover { background: var(--color-gold-hover); border-color: var(--color-gold-hover); }
.btn-full { width: 100%; }

/* ── Section tag ── */
.section-tag {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-6);
}

/* ── Thesis ── */
.thesis { background: var(--color-surface); }
.thesis-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 8vw, var(--space-24));
  align-items: start;
}
.thesis-left h2 {
  font-size: var(--text-2xl);
  color: var(--color-text);
}
.thesis-left h2 em { font-style: italic; color: var(--color-gold); }
.thesis-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding-top: clamp(0px, 2vw, var(--space-8));
}
.thesis-right p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.8;
}
.thesis-right p:last-of-type {
  color: var(--color-text);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
}
.inline-link {
  color: var(--color-gold);
  text-decoration: none;
  font-size: var(--text-sm);
  letter-spacing: 0.05em;
  align-self: flex-start;
}
.inline-link:hover { color: var(--color-gold-hover); }

/* ── Portfolio ── */
.portfolio { background: var(--color-surface); }
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  margin-top: var(--space-8);
}
.portfolio-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-6);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}
.portfolio-item:hover { background: var(--color-surface-offset); }
.company-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
}
.portfolio-item.inactive .company-name { color: var(--color-text-muted); }
.company-status {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  white-space: nowrap;
}
.portfolio-item.active .company-status { color: var(--color-gold); }

@media (max-width: 720px) {
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

/* ── Contact ── */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-10), 8vw, var(--space-24));
  align-items: start;
}
.contact-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.contact-left h2 {
  font-size: var(--text-2xl);
  color: var(--color-text);
}
.contact-left > p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}
.contact-email {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-gold);
  text-decoration: none;
  max-width: none;
}
.contact-email:hover { color: var(--color-gold-hover); }
.contact-note {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-text-faint);
  max-width: none;
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: var(--space-5); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group label { font-size: var(--text-sm); color: var(--color-text-muted); }
.form-group input,
.form-group textarea {
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  outline: none;
  resize: vertical;
  font-family: var(--font-body);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--color-text-faint); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-highlight);
}

/* ── Footer ── */
.footer {
  padding-block: var(--space-10);
  border-top: 1px solid var(--color-border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}
.footer-legal {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  max-width: none;
}
.footer-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  max-width: 480px;
  text-align: right;
}

/* ── Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Responsive ── */
@media (max-width: 720px) {
  .thesis-inner, .contact-inner { grid-template-columns: 1fr; gap: var(--space-12); }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-disclaimer { text-align: center; }
}