/* ═══════════════════════════════════════════════════
   THE VELVETEEN PROJECT — OBSIDIAN OBSERVATORY SYSTEM
   Design System v1.1 · Dark Tech · 0px radius
═══════════════════════════════════════════════════ */

/* ── Tokens ── */
:root {
  --clr-bg:               #131315;
  --clr-surface:          #131315;
  --clr-surface-low:      #1c1b1d;
  --clr-surface-mid:      #201f22;
  --clr-surface-high:     #2a2a2c;
  --clr-surface-highest:  #353437;
  --clr-surface-bright:   #39393b;
  --clr-primary:          #57f1db;
  --clr-primary-dim:      #3cddc7;
  --clr-primary-container:#2dd4bf;
  --clr-on-primary:       #003731;
  --clr-on-surface:       #e5e1e4;
  --clr-on-surface-var:   #bacac5;
  --clr-outline:          #859490;
  --clr-outline-var:      #3c4a46;
  --clr-tertiary:         #ffd1aa;
  --clr-error:            #ffb4ab;

  --font-display:  'Space Grotesk', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background-color: var(--clr-bg);
  color: var(--clr-on-surface);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* ── Background canvas ── */
#grid-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
}

.ambient-glow {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  filter: blur(120px);
}
.glow-top-right {
  width: 600px; height: 600px;
  top: -200px; right: -200px;
  background: radial-gradient(circle, rgba(87, 241, 219, 0.08) 0%, transparent 70%);
}
.glow-bottom-left {
  width: 500px; height: 500px;
  bottom: 0; left: -200px;
  background: radial-gradient(circle, rgba(44, 212, 191, 0.05) 0%, transparent 70%);
}

/* ── Utility ── */
.mono { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.05em; }
.accent { color: var(--clr-primary); }
.accent-text { color: var(--clr-primary); }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: var(--clr-primary);
  color: var(--clr-on-primary);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s var(--ease-spring), box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  transform: translateX(-110%);
  transition: transform 0.4s var(--ease-smooth);
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:hover {
  background: var(--clr-primary-dim);
  box-shadow: 0 0 40px rgba(87, 241, 219, 0.25);
}
.btn-primary:active { transform: scale(0.97); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.75rem;
  border: 1px solid rgba(87, 241, 219, 0.45);
  color: var(--clr-primary);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  border-radius: 0;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.btn-ghost:hover {
  border-color: var(--clr-primary);
  background: rgba(87, 241, 219, 0.06);
  box-shadow: 0 0 20px rgba(87, 241, 219, 0.1);
}

/* Secondary ghost — less prominent */
.btn-ghost--muted {
  border-color: rgba(87, 241, 219, 0.18);
  color: var(--clr-on-surface-var);
}
.btn-ghost--muted:hover {
  border-color: rgba(87, 241, 219, 0.35);
  color: var(--clr-primary);
  background: rgba(87, 241, 219, 0.04);
}

.btn-full { width: 100%; justify-content: center; }

/* ── Navigation ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
#navbar.scrolled {
  background: rgba(19, 19, 21, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--clr-outline-var);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.logo-svg {
  width: auto;
  height: 36px;
  filter: brightness(0) saturate(100%) invert(87%) sepia(40%) saturate(700%) hue-rotate(130deg) brightness(105%);
}
.footer-logo {
  height: 24px;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--clr-on-surface);
}
.nav-links {
  display: flex;
  gap: 2rem;
  margin-left: auto;
}
.nav-link {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--clr-on-surface-var);
  transition: color 0.2s;
  position: relative;
  padding-bottom: 2px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--clr-primary);
  transition: width 0.3s var(--ease-smooth);
}
.nav-link:hover { color: var(--clr-on-surface); }
.nav-link:hover::after { width: 100%; }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1.5rem;
}
.lang-btn {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--clr-outline);
  transition: color 0.2s;
  padding: 0.2rem;
}
.lang-btn.active {
  color: var(--clr-on-surface);
}
.lang-btn:hover {
  color: var(--clr-primary);
}
.lang-divider {
  font-size: 0.72rem;
  color: var(--clr-outline-var);
}

.mobile-lang {
  margin-left: 0;
  border-bottom: 1px solid var(--clr-outline-var);
  padding-bottom: 1rem;
}

.nav-cta { margin-left: 1.5rem; }

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}
.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-on-surface-var);
  transition: transform 0.3s, opacity 0.3s, width 0.3s;
}
.mobile-menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.open span:nth-child(2) { opacity: 0; width: 0; }
.mobile-menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-drawer {
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: rgba(19, 19, 21, 0.96);
  backdrop-filter: blur(20px);
  padding: 1.5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 999;
  transform: translateY(-120%);
  transition: transform 0.3s var(--ease-smooth);
  border-bottom: 1px solid var(--clr-outline-var);
}
.mobile-drawer.open { transform: translateY(0); }
.mobile-link {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--clr-on-surface-var);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--clr-outline-var);
  transition: color 0.2s;
}
.mobile-link:hover { color: var(--clr-primary); }

/* ── Sections shared ── */
.section {
  position: relative;
  z-index: 1;
  padding: 7rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
}
.section-label-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.section-tag {
  color: var(--clr-primary);
  white-space: nowrap;
  font-size: 0.72rem;
}
.section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--clr-outline-var) 0%, transparent 100%);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--clr-on-surface-var);
  max-width: 600px;
  margin-bottom: 3.5rem;
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  padding-top: clamp(8rem, 15vh, 12rem);
  padding-bottom: 5rem;
  display: grid;
  grid-template-columns: 48% 45%;
  justify-content: space-between;
  gap: 4rem;
  align-items: flex-start;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.hero-content { display: flex; flex-direction: column; gap: 1.5rem; }

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.status-dot {
  width: 6px; height: 6px;
  background: var(--clr-primary);
  display: inline-block;
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }

/* ── Typographic Wordmark ── */
.hero-wordmark-typo { margin: 0.25rem 0; }
.wordmark-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 0.1rem;
}
.wordmark-the {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  color: var(--clr-outline);
}
.wordmark-name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--clr-on-surface);
  line-height: 0.95;
}
.wordmark-project {
  font-family: var(--font-display);
  font-size: clamp(0.65rem, 1.2vw, 0.9rem);
  font-weight: 500;
  letter-spacing: 0.45em;
  color: var(--clr-primary);
  padding-left: 0.1em;
}

.hero-sub {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--clr-on-surface-var);
}

.hero-description {
  font-size: 1.05rem;
  color: var(--clr-on-surface-var);
  line-height: 1.7;
  max-width: 52ch;
}

.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
  padding-top: 2.5rem;
  margin-top: 3rem;
  border-top: 1px solid var(--clr-outline-var);
}
.stat { display: flex; flex-direction: column; gap: 0.2rem; }
.stat-value {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--clr-primary);
}
.stat-label {
  font-size: 0.75rem;
  color: var(--clr-outline);
  letter-spacing: 0.05em;
  margin-top: 0.4rem;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--clr-outline-var);
}

/* ── Hero Visual — Decision Graph ── */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1.25rem;
  padding-top: 1.5rem;
}

.graph-label {
  font-size: 0.65rem;
  color: var(--clr-outline);
  letter-spacing: 0.14em;
  opacity: 0.7;
}

.hero-graph {
  width: 100%;
  max-width: 480px;
  background: rgba(28, 27, 29, 0.4);
  border: 1px solid var(--clr-outline-var);
  border-radius: 6px;
  padding: 2rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

.graph-subnote {
  font-size: 0.75rem;
  color: var(--clr-outline-var);
  margin-top: 0.85rem;
  font-family: var(--font-mono);
}

/* ── Graph pulse animation ── */
@keyframes graph-pulse {
  0%, 100% { r: 30; opacity: 0.18; }
  50%       { r: 38; opacity: 0.04; }
}
.graph-pulse-ring {
  animation: graph-pulse 2.8s ease-in-out infinite;
}

/* ── Rabbit watermark in graph ── */
.rabbit-watermark {
  opacity: 0.07;
}

/* ── Manifesto ── */
.manifesto-section { max-width: 1280px; }
.manifesto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.manifesto-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 2rem;
}
.manifesto-text p {
  font-size: 0.95rem;
  color: var(--clr-on-surface-var);
  margin-bottom: 1.25rem;
  line-height: 1.75;
}
.manifesto-text p:last-of-type { margin-bottom: 2rem; }
.manifesto-text strong { color: var(--clr-on-surface); }

.manifesto-pillars { display: flex; flex-direction: column; gap: 0.75rem; }
.pillar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--clr-on-surface-var);
  padding: 0.6rem 1rem;
  background: var(--clr-surface-low);
  border-left: 2px solid var(--clr-primary);
  transition: background 0.2s, color 0.2s;
}
.pillar:hover { background: var(--clr-surface-mid); color: var(--clr-on-surface); }
.pillar-icon { color: var(--clr-primary); font-size: 0.7rem; }

/* Manifesto aside — simplified, no rabbit art */
.manifesto-aside {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-top: 0.5rem;
  position: sticky;
  top: 7rem;
}
.manifesto-data-block {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.65rem 1.5rem;
  padding: 1.75rem;
  background: var(--clr-surface-mid);
  border: 1px solid var(--clr-outline-var);
  border-left: 2px solid var(--clr-primary);
}
.data-label {
  color: var(--clr-outline);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  white-space: nowrap;
  padding-top: 0.1rem;
  align-self: start;
}
.data-val {
  color: var(--clr-on-surface);
  font-size: 0.8rem;
  line-height: 1.5;
}

/* ── Methodology ── */
.methodology-section {
  max-width: 1280px;
  background: linear-gradient(180deg, transparent 0%, rgba(87,241,219,0.02) 50%, transparent 100%);
}
.methodology-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.method-step {
  padding: 2rem 1.5rem;
  background: var(--clr-surface-low);
  border: 1px solid var(--clr-outline-var);
  border-right: none;
  position: relative;
  transition: background 0.3s, box-shadow 0.3s;
  cursor: default;
}
.method-step:last-child { border-right: 1px solid var(--clr-outline-var); }
.method-step:hover {
  background: var(--clr-surface-mid);
  box-shadow: inset 0 0 30px rgba(87, 241, 219, 0.04);
}
.step-number {
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--clr-outline-var);
  margin-bottom: 1.25rem;
  line-height: 1;
  transition: color 0.3s;
}
.method-step:hover .step-number { color: var(--clr-primary); }
.step-content h3 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--clr-on-surface);
  margin-bottom: 0.75rem;
}
.step-content p {
  font-size: 0.88rem;
  color: var(--clr-on-surface-var);
  line-height: 1.65;
}
.step-connector {
  position: absolute;
  top: 50%; right: -12px;
  width: 24px; height: 24px;
  background: var(--clr-surface-high);
  border: 1px solid var(--clr-outline-var);
  transform: translateY(-50%) rotate(45deg);
  z-index: 2;
  transition: background 0.3s, border-color 0.3s;
}
.method-step:hover .step-connector {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
}

/* ── Projects ── */
.modelos-section {
  max-width: 1280px;
  padding: 7rem 2rem;
}

.modelos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.modelo-card {
  position: relative;
  background: var(--clr-surface-low);
  border: 1px solid var(--clr-outline-var);
  border-top: 2px solid transparent;
  border-radius: 0;
  padding: 2rem;
  overflow: hidden;
  transition: border-color 0.25s ease, background 0.25s ease, border-top-color 0.25s ease;
}

.modelo-card:hover {
  border-color: rgba(87, 241, 219, 0.2);
  border-top-color: var(--clr-primary);
  background: var(--clr-surface-mid);
}

.modelo-card__id {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--clr-outline);
  margin-bottom: 1.25rem;
}

.modelo-card__name {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--clr-on-surface);
  margin: 0 0 0.75rem;
  letter-spacing: 0.06em;
}

.modelo-card__desc {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--clr-on-surface-var);
  margin: 0 0 1.25rem;
}

.project-details {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
  padding-left: 1rem;
  border-left: 1px solid var(--clr-outline-var);
  margin-top: 0;
}

.project-detail__line {
  font-size: 0.82rem;
  color: var(--clr-on-surface-var);
  line-height: 1.5;
  display: block;
}

.project-detail__line dt {
  display: inline;
  font-weight: 600;
  margin-right: 0.3rem;
  font-family: var(--font-mono);
}

.project-detail__line dd {
  display: inline;
  margin: 0;
}

.modelo-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.modelo-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--clr-primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
  padding-bottom: 1px;
}

.modelo-card__link:hover {
  border-bottom-color: var(--clr-primary);
}

.modelo-card__env {
  position: absolute;
  bottom: 14px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--clr-outline-var);
}

/* ── Team ── */
.team-section { max-width: 1280px; }
.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.team-card {
  display: flex;
  gap: 2rem;
  padding: 2.5rem;
  background: var(--clr-surface-low);
  border: 1px solid var(--clr-outline-var);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.team-card:hover {
  border-color: rgba(87,241,219,0.2);
  box-shadow: 0 0 30px rgba(87,241,219,0.03);
}
.team-photo-wrapper { flex-shrink: 0; }
.team-photo-placeholder {
  width: 88px; height: 88px;
  background: var(--clr-surface-high);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--clr-outline-var);
}
.team-role {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--clr-primary);
  margin-bottom: 0.5rem;
}
.team-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.team-bio {
  font-size: 0.88rem;
  color: var(--clr-on-surface-var);
  line-height: 1.65;
  margin-bottom: 1rem;
}
.team-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--clr-on-surface-var);
  padding: 0.2rem 0.6rem;
  background: var(--clr-surface-high);
  border: 1px solid var(--clr-outline-var);
  letter-spacing: 0.06em;
  transition: border-color 0.2s, color 0.2s;
  border-radius: 0;
}
.tag:hover { border-color: var(--clr-primary); color: var(--clr-primary); }

.team-callout {
  padding: 2.5rem;
  background: var(--clr-surface-mid);
  border: 1px solid rgba(87,241,219,0.2);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1rem;
  position: relative;
  overflow: hidden;
}
.team-callout::before {
  content: '';
  position: absolute;
  bottom: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(87,241,219,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.callout-label {
  color: var(--clr-outline);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
}
.team-callout h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.15;
}
.team-callout p {
  font-size: 0.9rem;
  color: var(--clr-on-surface-var);
  line-height: 1.65;
}

/* ── Philosophy Section ── */
.philosophy-section {
  max-width: 1280px;
  text-align: left;
}

.philosophy-sub {
  margin-bottom: 3.5rem;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  margin-top: 2rem;
}

.philosophy-item h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--clr-on-surface);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--clr-outline-var);
}

.philosophy-item p {
  font-size: 0.9rem;
  color: var(--clr-on-surface-var);
  line-height: 1.7;
}

/* ── Contact ── */
.contact-section { max-width: 1280px; }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.contact-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}
.contact-text p {
  font-size: 1rem;
  color: var(--clr-on-surface-var);
  line-height: 1.7;
  margin-bottom: 2rem;
}
.contact-data { display: flex; flex-direction: column; gap: 1rem; }
.contact-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1rem;
  background: var(--clr-surface-low);
  border-left: 2px solid var(--clr-primary);
}
.contact-label { font-size: 0.65rem; color: var(--clr-outline); letter-spacing: 0.12em; }
.contact-val { font-size: 0.75rem; color: var(--clr-primary); letter-spacing: 0.06em; }

/* ── Form ── */
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--clr-outline);
}
.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--clr-surface-low);
  border: 1px solid var(--clr-outline-var);
  border-bottom: 2px solid var(--clr-outline-var);
  color: var(--clr-on-surface);
  font-family: var(--font-body);
  font-size: 0.9rem;
  border-radius: 0;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  resize: vertical;
}
.form-input::placeholder { color: var(--clr-outline); }
.form-input:focus {
  border-bottom-color: var(--clr-primary);
  background: var(--clr-surface-mid);
}
.form-textarea { min-height: 120px; }
.form-disclaimer {
  font-size: 0.65rem;
  color: var(--clr-outline);
  letter-spacing: 0.04em;
  text-align: center;
}

/* ── Capabilities ── */
.capabilities-section { max-width: 1280px; }
.capabilities-list {
  list-style: none;
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 2rem;
}
.capabilities-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.7rem 0;
  color: var(--clr-on-surface-var);
  border-top: 1px solid var(--clr-outline-var);
  letter-spacing: 0.03em;
  line-height: 1.6;
}
.capabilities-list .mono {
  color: var(--clr-primary);
  flex-shrink: 0;
}

/* ── Footer ── */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--clr-outline-var);
  background: var(--clr-surface-low);
  padding: 3rem 2rem;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.footer-brand-name {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--clr-on-surface-var);
}
.footer-tagline {
  font-size: 0.65rem;
  color: var(--clr-outline);
  letter-spacing: 0.2em;
}
.footer-nav {
  display: flex;
  gap: 2rem;
}
.footer-link {
  font-size: 0.8rem;
  color: var(--clr-on-surface-var);
  transition: color 0.2s;
}
.footer-link:hover { color: var(--clr-primary); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding-top: 1rem;
  border-top: 1px solid var(--clr-outline-var);
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-copy { font-size: 0.68rem; color: var(--clr-outline); }
.footer-sig  { font-size: 0.68rem; color: var(--clr-outline); }

/* ── Reveal animations ── */
.reveal-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
}
.reveal-item.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-item:nth-child(1) { transition-delay: 0s; }
.reveal-item:nth-child(2) { transition-delay: 0.1s; }
.reveal-item:nth-child(3) { transition-delay: 0.2s; }
.reveal-item:nth-child(4) { transition-delay: 0.3s; }

/* ── Responsive ── */

/* Tablet landscape */
@media (max-width: 1024px) {
  .methodology-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .method-step:nth-child(2) { border-right: 1px solid var(--clr-outline-var); }
  .step-connector { display: none; }
  .method-step:nth-child(3) { border-top: none; }
  .method-step:last-child { border-right: 1px solid var(--clr-outline-var); }
  
  /* Manifesto Responsive Fix */
  .manifesto-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  .manifesto-aside {
    position: static;
    order: 2;
  }
}

/* Tablet portrait / large mobile */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .mobile-menu-btn { display: flex; }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 5rem;
    padding-bottom: 4rem;
    gap: 2.5rem;
  }
  .hero-visual {
    order: -1;
    padding-top: 0;
    align-items: center;
  }
  .hero-graph { max-width: 320px; margin: 0 auto; }

  .wordmark-name { font-size: clamp(1.7rem, 6vw, 2.8rem); }

  .manifesto-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .manifesto-aside { order: 2; }
  .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .team-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .capabilities-list { grid-template-columns: 1fr; }

  .methodology-steps { grid-template-columns: 1fr; }
  .method-step { border-right: 1px solid var(--clr-outline-var) !important; }
  .method-step:nth-child(3) { border-top: 1px solid var(--clr-outline-var) !important; }

  .hero-stats { 
    gap: 1.5rem; 
    margin-top: 2rem; 
    padding-top: 1.5rem; 
  }
  .stat-value { font-size: 1.2rem; }
}

/* Mobile */
@media (max-width: 600px) {
  .section { padding: 4rem 1.25rem; }
  .section-label-row { margin-bottom: 2rem; }

  .wordmark-name { font-size: clamp(1.5rem, 9vw, 2.2rem); }
  .wordmark-project { font-size: clamp(0.55rem, 2.5vw, 0.75rem); letter-spacing: 0.3em; }
  .hero-eyebrow .mono { font-size: 0.65rem; }

  .hero-stats { 
    gap: 1rem; 
    flex-wrap: wrap; 
    margin-top: 1.5rem; 
    padding-top: 1.5rem; 
  }
  .stat-divider { display: none; }
  .stat-value { font-size: 1.1rem; }
  .stat-label { font-size: 0.65rem; }

  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn-ghost { width: 100%; justify-content: center; text-align: center; }

  .team-card { flex-direction: column; padding: 1.75rem 1.25rem; }
  .team-photo-placeholder { width: 64px; height: 64px; }

  .contact-text h2 { font-size: clamp(1.4rem, 6vw, 2rem); }
  .contact-item { flex-direction: column; align-items: flex-start; gap: 0.2rem; }

  .footer-nav { flex-wrap: wrap; justify-content: center; gap: 0.75rem 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 0.5rem; }

  .manifesto-text h2 { font-size: clamp(1.3rem, 5vw, 1.8rem); }
  .section-title { font-size: clamp(1.5rem, 6vw, 2.2rem); }

  .btn-primary, .btn-ghost { padding: 0.875rem 1.5rem; min-height: 48px; }
  .mobile-link { padding: 0.75rem 0; min-height: 48px; display: flex; align-items: center; }

  .modelos-section { padding: 4rem 1.25rem; }
}

/* Very small phones */
@media (max-width: 380px) {
  .wordmark-name { font-size: 1.4rem; }
  .hero { padding-top: 5rem; }
  .nav-inner { padding: 0 1rem; }
  .section { padding: 3rem 1rem; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-outline-var); }
::-webkit-scrollbar-thumb:hover { background: var(--clr-primary); }

/* ── Selection ── */
::selection {
  background: rgba(87, 241, 219, 0.25);
  color: var(--clr-on-surface);
}

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