/* ============================================
   Eduardo Herrero — "Investigador Moderno"
   Identidad: azul profundo + verde mentha + naranja
   ============================================ */

:root {
  /* Colors — base palette */
  --bg: #0a0e14;
  --bg-elevated: #11161e;
  --bg-card: #161c26;
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.16);

  --fg: #f5f7fa;
  --fg-muted: #9aa4b2;
  --fg-dim: #6b7280;

  --primary: #1A3A52;       /* azul profundo */
  --primary-light: #2d5e80;
  --accent: #2EAD8E;         /* verde mentha */
  --accent-hot: #E8744A;     /* naranja cálido */

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;

  /* spacing */
  --gutter: clamp(20px, 4vw, 64px);
  --section-y: clamp(80px, 10vw, 160px);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Lora', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

[data-theme="light"] {
  --bg: #fafaf7;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --line: rgba(10,14,20,0.08);
  --line-strong: rgba(10,14,20,0.16);
  --fg: #0a0e14;
  --fg-muted: #4b5563;
  --fg-dim: #9ca3af;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.5;
  font-size: 16px;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }

/* Selection */
::selection { background: var(--accent); color: #051018; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--fg-dim); }

/* ============================================
   Typography utilities
   ============================================ */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--accent);
}

.h-display {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(44px, 7vw, 104px);
  line-height: 0.96;
  letter-spacing: -0.035em;
}

.h-display em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}

.h-section {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(32px, 4.5vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.025em;
}
.h-section em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}

.lead {
  font-family: var(--font-serif);
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.55;
  color: var(--fg-muted);
  text-wrap: pretty;
}

.mono { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.05em; }

/* ============================================
   Layout primitives
   ============================================ */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-y); }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 28px;
  font-weight: 500;
  font-size: 15px;
  border-radius: 999px;
  transition: all 0.25s ease;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #051018;
}
.btn-primary:hover { background: #3ec5a3; transform: translateY(-2px); box-shadow: 0 12px 32px rgba(46,173,142,0.28); }

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { border-color: var(--fg); background: rgba(255,255,255,0.03); }

.btn-arrow {
  display: inline-block;
  transition: transform 0.25s ease;
}
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ============================================
   Nav
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.3s ease, backdrop-filter 0.3s ease, padding 0.3s ease;
}
.nav.scrolled {
  background: rgba(10,14,20,0.78);
  backdrop-filter: blur(16px);
  padding: 14px var(--gutter);
  border-bottom: 1px solid var(--line);
}
[data-theme="light"] .nav.scrolled { background: rgba(250,250,247,0.85); }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 16px;
}
.nav-logo-mark {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: var(--accent);
  color: #051018;
  border-radius: 50%;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0;
}
.nav-logo small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  transition: color 0.2s ease;
  position: relative;
}
.nav-links a:hover { color: var(--fg); }
.nav-links a.active { color: var(--fg); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: var(--accent);
}
@media (max-width: 880px) {
  .nav-links { display: none; }
}

.nav-cta { font-size: 13px; padding: 10px 18px; }

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 140px var(--gutter) 80px;
  overflow: hidden;
}
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 120px; }
}

.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 60% at 30% 40%, black 30%, transparent 80%);
  pointer-events: none;
  opacity: 0.6;
}

.hero-bg-glow {
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46,173,142,0.18) 0%, transparent 60%);
  top: -200px; right: -200px;
  filter: blur(40px);
  pointer-events: none;
  animation: glow-drift 24s ease-in-out infinite;
}
@keyframes glow-drift {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(-80px, 60px) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-eyebrow { margin-bottom: 28px; }

.hero-title {
  margin-bottom: 36px;
  text-wrap: balance;
}

.hero-lead {
  margin-bottom: 44px;
  max-width: 540px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: clamp(24px, 4vw, 56px);
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.hero-stat-num {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--fg);
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.hero-stat-num sup {
  font-size: 0.5em;
  color: var(--accent);
  font-weight: 600;
}
.hero-stat-label {
  margin-top: 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  font-weight: 500;
}

/* Hero image */
.hero-photo-wrap {
  position: relative;
  z-index: 2;
  perspective: 1400px;
  display: flex;
  justify-content: center;
}
.hero-photo {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transform: rotateY(-6deg) rotateX(2deg);
  transition: transform 0.6s cubic-bezier(0.2, 0.9, 0.3, 1.2);
  box-shadow:
    0 50px 100px -20px rgba(0,0,0,0.5),
    0 30px 60px -30px rgba(46,173,142,0.25);
}
[data-perspective="off"] .hero-photo {
  transform: none;
}
.hero-photo:hover { transform: rotateY(-3deg) rotateX(0deg) scale(1.02); }
.hero-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10,14,20,0.5) 100%);
  pointer-events: none;
}

.hero-photo-tag {
  position: absolute;
  bottom: 24px; left: 24px; right: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
}
.hero-photo-tag .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(46,173,142,0.6); }
  50% { opacity: 0.6; box-shadow: 0 0 0 8px rgba(46,173,142,0); }
}

/* Floating cards on hero photo */
.hero-float-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 13px;
  z-index: 3;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  backdrop-filter: blur(20px);
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.hero-float-card.top {
  top: -20px; right: -30px;
  animation-delay: 0s;
}
.hero-float-card.bottom {
  bottom: 60px; left: -50px;
  animation-delay: -3s;
}
@media (max-width: 980px) {
  .hero-float-card.top, .hero-float-card.bottom { display: none; }
}
.hero-float-card .label {
  color: var(--fg-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
  font-family: var(--font-mono);
}
.hero-float-card .value {
  font-weight: 600;
  color: var(--fg);
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero-scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(180deg, transparent, var(--fg-muted));
  animation: scroll-pulse 2s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* ============================================
   Marquee strip
   ============================================ */
.marquee {
  background: var(--bg-elevated);
  border-block: 1px solid var(--line);
  padding: 24px 0;
  overflow: hidden;
  position: relative;
}
.marquee-track {
  display: flex;
  gap: 64px;
  animation: marquee 40s linear infinite;
  white-space: nowrap;
  width: max-content;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.marquee-item .star {
  color: var(--accent);
}

/* ============================================
   Section header
   ============================================ */
.section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 64px;
}
@media (max-width: 880px) {
  .section-head { grid-template-columns: 1fr; }
}
.section-head .lead { max-width: 540px; }
.section-head .eyebrow { margin-bottom: 20px; }

/* ============================================
   Pillars (4)
   ============================================ */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}
@media (max-width: 980px) { .pillars { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .pillars { grid-template-columns: 1fr; } }

.pillar {
  background: var(--bg);
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  transition: background 0.25s ease;
  cursor: pointer;
}
.pillar:hover { background: var(--bg-elevated); }
.pillar:hover .pillar-num { color: var(--accent); }

.pillar-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
  transition: color 0.25s ease;
}
.pillar-icon {
  width: 40px; height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--accent);
}
.pillar h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.pillar p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.55;
}
.pillar-arrow {
  margin-top: auto;
  color: var(--fg-dim);
  transition: color 0.25s ease, transform 0.25s ease;
}
.pillar:hover .pillar-arrow { color: var(--accent); transform: translateX(4px); }

/* ============================================
   Publications
   ============================================ */
.pubs-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.pubs-filter {
  padding: 8px 16px;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--fg-muted);
  transition: all 0.2s ease;
}
.pubs-filter:hover { color: var(--fg); border-color: var(--line-strong); }
.pubs-filter.active { background: var(--fg); color: var(--bg); border-color: var(--fg); }

.pubs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (max-width: 980px) { .pubs-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .pubs-grid { grid-template-columns: 1fr; } }

.pub-card {
  background: var(--bg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 280px;
  transition: background 0.25s ease;
  position: relative;
  cursor: pointer;
}
.pub-card:hover { background: var(--bg-elevated); }
.pub-card-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.pub-card-cat {
  color: var(--accent);
}
.pub-card h4 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 500;
  line-height: 1.32;
  letter-spacing: -0.01em;
  text-wrap: pretty;
  flex: 1;
}
.pub-card-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: auto;
  transition: color 0.2s ease;
}
.pub-card:hover .pub-card-link { color: var(--accent); }

/* ============================================
   Trayectoria timeline
   ============================================ */
.trayec {
  background: var(--bg-elevated);
  border-block: 1px solid var(--line);
}
.trayec-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 980px) { .trayec-grid { grid-template-columns: 1fr; gap: 40px; } }

.trayec-photo {
  position: sticky;
  top: 100px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
}
.trayec-photo img { width: 100%; height: 100%; object-fit: cover; }

.trayec-list { display: flex; flex-direction: column; }

.trayec-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.trayec-item:last-child { border-bottom: none; }

.trayec-year {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.05em;
  padding-top: 4px;
}

.trayec-content h4 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}
.trayec-content .place {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 14px;
}
.trayec-content p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ============================================
   Quote
   ============================================ */
.quote-section {
  padding: var(--section-y) var(--gutter);
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-elevated) 100%);
}
.quote-mark {
  font-family: var(--font-serif);
  font-size: 200px;
  line-height: 1;
  color: var(--accent);
  opacity: 0.2;
  margin-bottom: -60px;
}
.quote-text {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(28px, 3.6vw, 48px);
  line-height: 1.25;
  font-weight: 500;
  max-width: 1000px;
  margin: 0 auto;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
.quote-text em { color: var(--accent); font-style: italic; }
.quote-author {
  margin-top: 32px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

/* ============================================
   Stats huge (Cristiano-style)
   ============================================ */
.stats-huge {
  background: var(--bg);
  border-block: 1px solid var(--line);
}
.stats-huge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 880px) { .stats-huge-grid { grid-template-columns: repeat(2, 1fr); } }

.stat-huge {
  padding: 64px 32px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.25s ease;
}
.stat-huge:last-child { border-right: none; }
.stat-huge:hover { background: var(--bg-elevated); }
@media (max-width: 880px) {
  .stat-huge:nth-child(2n) { border-right: none; }
  .stat-huge:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
.stat-huge-num {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(64px, 9vw, 140px);
  line-height: 0.92;
  letter-spacing: -0.05em;
}
.stat-huge-num sup {
  font-size: 0.4em;
  color: var(--accent);
  font-weight: 500;
  vertical-align: super;
}
.stat-huge-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  max-width: 200px;
}

/* ============================================
   Audiences
   ============================================ */
.audiences {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 880px) { .audiences { grid-template-columns: 1fr; } }

.audience {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: all 0.25s ease;
}
.audience:hover { border-color: var(--accent); transform: translateY(-4px); }

.audience-num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 48px;
  line-height: 1;
  color: var(--accent);
  font-weight: 500;
}
.audience h4 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.audience p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.55;
  flex: 1;
}
.audience-tag {
  display: inline-block;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(46,173,142,0.12);
  color: var(--accent);
  border-radius: 999px;
  width: fit-content;
}

/* ============================================
   Newsletter
   ============================================ */
.newsletter {
  background: var(--bg-elevated);
  border-block: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.newsletter::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232,116,74,0.12) 0%, transparent 60%);
  top: -300px; right: -100px;
  filter: blur(60px);
  pointer-events: none;
}
.newsletter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 2;
}
@media (max-width: 880px) { .newsletter-grid { grid-template-columns: 1fr; gap: 40px; } }

.newsletter h2 {
  margin-bottom: 20px;
}
.newsletter p {
  color: var(--fg-muted);
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.55;
  margin-bottom: 32px;
}
.newsletter-meta {
  display: flex;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-dim);
}
.newsletter-meta span { display: flex; align-items: center; gap: 6px; }
.newsletter-meta .dot { color: var(--accent); }

.newsletter-form {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.newsletter-form-label {
  display: block;
  font-size: 13px;
  margin-bottom: 12px;
  color: var(--fg-muted);
}
.newsletter-input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.newsletter-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  color: var(--fg);
  padding: 16px 20px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s ease;
}
.newsletter-input:focus { border-color: var(--accent); }
.newsletter-input::placeholder { color: var(--fg-dim); }

.newsletter-submitted {
  padding: 24px;
  background: rgba(46,173,142,0.1);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  color: var(--accent);
  text-align: center;
  font-size: 14px;
}

.newsletter-fineprint {
  font-size: 12px;
  color: var(--fg-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: 80px var(--gutter) 32px;
  border-top: 1px solid var(--line);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--line);
}
@media (max-width: 880px) { .footer-top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-top { grid-template-columns: 1fr; } }

.footer-brand h3 {
  font-family: var(--font-sans);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.footer-brand p {
  font-family: var(--font-serif);
  color: var(--fg-muted);
  font-style: italic;
  max-width: 320px;
  line-height: 1.5;
}

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: var(--fg-muted); transition: color 0.2s ease; }
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--fg-dim);
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* Density variants */
[data-density="compact"] {
  --section-y: clamp(60px, 7vw, 100px);
}
[data-density="generous"] {
  --section-y: clamp(120px, 14vw, 220px);
}

/* Accent variants */
[data-accent="orange"] { --accent: #E8744A; }
[data-accent="blue"] { --accent: #3B82F6; }
[data-accent="mentha"] { --accent: #2EAD8E; }