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

:root {
  /* ── Paleta Yendi ── */
  --bg:        #F2F4F0;          /* Niebla — fondo base */
  --bg2:       #FBFBF8;          /* Surface — secciones alternas */
  --bg3:       #E8ECE7;          /* Niebla oscura — mockup header, etc. */
  --card:      rgba(255,255,255,0.85);
  --card-b:    #ffffff;
  --border:    #DCE3DD;
  --border-hi: rgba(31,77,66,0.35);

  /* Pino (verde bosque) — color de acción único */
  --purple:    #1F4D42;
  --purple-l:  #1F4D42;
  --purple-d:  #163831;
  --purple-dim:rgba(31,77,66,0.07);

  /* Ámbar — acento secundario */
  --cyan:      #E8A33D;

  /* Texto */
  --text:      #14231F;          /* Tinta */
  --muted:     #6B7E77;
  --dim:       #4B5A54;          /* Tinta soft */

  /* Radios */
  --r:         16px;
  --r-sm:      10px;
  --r-lg:      24px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Karla', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
}

.mono {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 28px;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--r-sm);
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: all .2s ease;
  white-space: nowrap;
  font-family: 'Karla', inherit;
}
.btn-primary {
  background: var(--purple);
  color: #F4F8F6;
  box-shadow: 0 0 0 0 rgba(31,77,66,0);
}
.btn-primary:hover {
  background: var(--purple-d);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(31,77,66,0.28);
}
.btn-ghost {
  color: var(--dim);
  background: transparent;
  padding-left: 0;
}
.btn-ghost:hover { color: var(--text); }
.btn-ghost .arrow { transition: transform .2s; }
.btn-ghost:hover .arrow { transform: translateY(3px); }
.btn-lg { padding: 14px 28px; font-size: 1rem; }

/* ── Labels / Tags ── */
.label-tag {
  display: inline-block;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--purple);
  margin-bottom: 14px;
}

.accent { color: var(--purple); }

/* ── Section top ── */
.section-top {
  text-align: center;
  margin-bottom: 64px;
}
.section-top h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.section-sub {
  color: var(--dim);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
  transition-delay: var(--delay, 0s);
}
.reveal.in { opacity: 1; transform: none; }

/* ══════════════════════════════
   NAV
══════════════════════════════ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  padding: 0 28px;
  transition: background .3s, box-shadow .3s;
}
.nav.scrolled {
  background: rgba(242,244,240,0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--purple);
  flex-shrink: 0;
  letter-spacing: -0.3px;
}
.logo-mark { color: var(--purple); flex-shrink: 0; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  margin-right: auto;
}
.nav-links a {
  display: block;
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted);
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--text); background: rgba(31,77,66,0.06); }

.nav-right { display: flex; align-items: center; gap: 16px; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dim);
  border-radius: 2px;
  transition: all .25s;
}

/* ══════════════════════════════
   HERO
══════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 0;
  background: var(--bg);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}
.orb-a {
  width: 700px;
  height: 500px;
  top: -100px;
  left: 50%;
  transform: translateX(-30%);
  background: radial-gradient(ellipse, rgba(31,77,66,0.13) 0%, transparent 65%);
}
.orb-b {
  width: 400px;
  height: 400px;
  bottom: 0;
  left: -100px;
  background: radial-gradient(ellipse, rgba(232,163,61,0.1) 0%, transparent 65%);
}

.lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(31,77,66,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31,77,66,0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 0%, transparent 100%);
}

.hero-body {
  position: relative;
  z-index: 1;
  padding: 140px 28px 100px;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--dim);
  letter-spacing: 0.08em;
  margin-bottom: 28px;
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: rgba(31,77,66,0.05);
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 8px rgba(31,77,66,0.4);
  animation: pulse 2.5s infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.hero-h1 {
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -3px;
  line-height: 1.0;
  margin-bottom: 24px;
  color: var(--text);
}
.hero-h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--purple) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--dim);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-proof {
  display: inline-flex;
  align-items: center;
  gap: 32px;
  padding: 20px 36px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.6);
  flex-wrap: wrap;
  justify-content: center;
  backdrop-filter: blur(8px);
}
.proof-item {
  text-align: center;
}
.proof-item strong {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  font-family: 'Bricolage Grotesque', sans-serif;
  color: var(--text);
  letter-spacing: -0.5px;
}
.proof-item span {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 2px;
  display: block;
}
.proof-sep {
  width: 1px;
  height: 36px;
  background: var(--border);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--purple), transparent);
  margin: 0 auto;
  animation: scrollAnim 2s ease-in-out infinite;
}
@keyframes scrollAnim {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  40% { opacity: 1; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: top; }
}

/* ══════════════════════════════
   PROBLEM
══════════════════════════════ */
.problem {
  padding: 120px 0;
  background: var(--bg2);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.problem-text .label-tag { display: block; }

.problem-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -0.4px;
  margin-bottom: 20px;
  line-height: 1.2;
}

.problem-text p {
  color: var(--dim);
  line-height: 1.75;
  margin-bottom: 16px;
  font-size: 1rem;
}

.problem-stats {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stat-card {
  padding: 24px 28px;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: var(--card-b);
  transition: border-color .25s, background .25s, box-shadow .25s;
}
.stat-card:hover {
  border-color: rgba(31,77,66,0.3);
  background: rgba(31,77,66,0.04);
  box-shadow: 0 4px 16px rgba(31,77,66,0.08);
}
.stat-num {
  font-size: 2.5rem;
  font-weight: 900;
  font-family: 'Bricolage Grotesque', sans-serif;
  letter-spacing: -1.5px;
  color: var(--text);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-num.accent { color: var(--purple); }
.stat-label {
  font-size: 0.875rem;
  color: var(--dim);
  line-height: 1.5;
}

/* ══════════════════════════════
   SECTORS / TABS
══════════════════════════════ */
.sectors {
  padding: 120px 0;
  background: var(--bg);
}

.tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--card-b);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Karla', inherit;
  transition: all .2s ease;
}
.tab:hover {
  color: var(--text);
  border-color: rgba(31,77,66,0.3);
  background: rgba(31,77,66,0.05);
}
.tab.active {
  background: var(--purple);
  border-color: var(--purple);
  color: #F4F8F6;
  box-shadow: 0 4px 20px rgba(31,77,66,0.25);
}
.tab-icon { font-size: 1rem; }

.tab-panels { position: relative; }
.tab-panel {
  display: none;
  animation: fadePanel .35s ease;
}
.tab-panel.active { display: block; }
@keyframes fadePanel {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.panel-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 48px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  background: var(--card-b);
  box-shadow: 0 4px 24px rgba(31,77,66,0.05);
}

.panel-text h3 {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.4px;
  margin-bottom: 16px;
}
.panel-text p {
  color: var(--dim);
  line-height: 1.75;
  margin-bottom: 24px;
  font-size: 1rem;
}

.panel-list {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.panel-list li {
  font-size: 0.9rem;
  color: var(--dim);
  display: flex;
  align-items: center;
  gap: 10px;
}
.check {
  color: var(--purple);
  font-weight: 700;
  flex-shrink: 0;
}

/* Mockup card — mantiene tema oscuro para contraste */
.mockup-card {
  background: #0e1c16;
  border-radius: var(--r);
  border: 1px solid rgba(31,77,66,0.25);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(31,77,66,0.18);
}

.mockup-header {
  padding: 12px 16px;
  background: rgba(31,77,66,0.2);
  border-bottom: 1px solid rgba(31,77,66,0.2);
  display: flex;
  align-items: center;
  gap: 6px;
}
.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mockup-dot.red    { background: #ff5f57; }
.mockup-dot.yellow { background: #febc2e; }
.mockup-dot.green  { background: #28c840; }
.mockup-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: rgba(191,227,212,0.6);
  margin-left: auto;
  font-weight: 400;
}

.mockup-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.notif-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  transition: background .2s;
}
.notif-item:hover { background: rgba(31,77,66,0.18); }

.notif-icon {
  font-size: 1.2rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(31,77,66,0.25);
  border-radius: 8px;
  flex-shrink: 0;
}
.notif-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: #EAF2ED;
}
.notif-msg {
  font-size: 0.75rem;
  color: #7B9E93;
  margin-top: 2px;
}

.mockup-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  background: rgba(31,77,66,0.25);
  border: 1px solid rgba(31,77,66,0.45);
  margin-top: 4px;
}
.mockup-stat span {
  font-size: 0.75rem;
  color: rgba(191,227,212,0.7);
}
.mockup-stat strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: #EAF2ED;
}
.up {
  font-size: 0.7rem;
  color: #4ade80;
  font-weight: 600;
  margin-left: 4px;
}

/* ══════════════════════════════
   HOW IT WORKS
══════════════════════════════ */
.how {
  padding: 120px 0;
  background: var(--bg2);
  overflow: hidden;
}

.how-wrap {
  position: relative;
  padding-top: 32px;
}

.how-track-wrap {
  position: absolute;
  top: 52px;
  left: calc(12.5% + 16px);
  right: calc(12.5% + 16px);
  height: 2px;
  z-index: 0;
}
.how-track-bg {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 2px;
}
.how-track-fill {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--purple), var(--cyan));
  border-radius: 2px;
  transition: width 1.4s cubic-bezier(.25,.46,.45,.94);
  box-shadow: 0 0 10px rgba(31,77,66,0.35);
}
.how-track-fill.animated { width: 100%; }

.how-cards-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  z-index: 1;
}

.how-card-v2 {
  background: var(--card-b);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  transition: border-color .3s, transform .3s, box-shadow .3s;
  opacity: 0;
  transform: translateY(32px);
}
.how-card-v2.visible {
  animation: cardIn .55s ease forwards;
  animation-delay: calc(var(--hi) * 0.13s);
}
@keyframes cardIn {
  to { opacity: 1; transform: translateY(0); }
}
.how-card-v2:hover {
  border-color: rgba(31,77,66,0.35);
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(31,77,66,0.12);
}

.hc-dot {
  position: absolute;
  top: -9px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--bg2);
  border: 2px solid rgba(31,77,66,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hc-dot-inner {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 6px rgba(31,77,66,0.4);
}

.hc-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--purple);
  opacity: 0.55;
  margin-top: 8px;
}

.hc-icon {
  font-size: 2rem;
  line-height: 1;
  margin: 4px 0;
  transition: transform .3s;
}
.how-card-v2:hover .hc-icon { transform: scale(1.12); }

.how-card-v2 h3 {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.3px;
  line-height: 1.25;
  color: var(--text);
}

.how-card-v2 p {
  font-size: 0.82rem;
  color: var(--dim);
  line-height: 1.7;
  flex: 1;
}

.hc-stat {
  margin-top: 8px;
  padding: 14px 16px;
  border-radius: var(--r-sm);
  background: rgba(31,77,66,0.07);
  border: 1px solid rgba(31,77,66,0.12);
  display: flex;
  flex-direction: column;
  gap: 3px;
  transition: background .3s, border-color .3s;
}
.hc-stat--glow {
  background: linear-gradient(135deg, rgba(31,77,66,0.1), rgba(232,163,61,0.08));
  border-color: rgba(31,77,66,0.22);
}
.how-card-v2:hover .hc-stat {
  background: rgba(31,77,66,0.12);
  border-color: rgba(31,77,66,0.22);
}

.hc-stat-num {
  font-size: 1.5rem;
  font-weight: 900;
  font-family: 'Bricolage Grotesque', sans-serif;
  letter-spacing: -1px;
  color: var(--text);
  line-height: 1;
}
.hc-stat-label {
  font-size: 0.7rem;
  color: var(--dim);
  line-height: 1.4;
}

.how-footer { margin-top: 64px; }
.how-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 36px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(31,77,66,0.18);
  background: rgba(31,77,66,0.05);
  flex-wrap: wrap;
}
.how-footer-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.2px;
}

@media (max-width: 860px) {
  .how-cards-row { grid-template-columns: repeat(2, 1fr); }
  .how-track-wrap { display: none; }
}
@media (max-width: 520px) {
  .how-cards-row { grid-template-columns: 1fr; }
  .how-footer-inner { flex-direction: column; text-align: center; }
}

/* ══════════════════════════════
   FEATURES
══════════════════════════════ */
.features {
  padding: 120px 0;
  background: var(--bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 32px 28px;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: var(--card-b);
  transition: border-color .25s, background .25s, transform .25s, box-shadow .25s;
}
.feature-card:hover {
  border-color: rgba(31,77,66,0.3);
  background: rgba(31,77,66,0.04);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(31,77,66,0.08);
}
.feature-icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
}
.feature-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 0.875rem;
  color: var(--dim);
  line-height: 1.7;
}

/* ══════════════════════════════
   FINAL CTA
══════════════════════════════ */
.final-cta {
  padding: 120px 0;
  background: var(--bg2);
}

.cta-inner {
  position: relative;
  text-align: center;
  padding: 80px 32px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(31,77,66,0.18);
  background: rgba(31,77,66,0.04);
  overflow: hidden;
  max-width: 700px;
  margin: 0 auto;
}

.cta-orb {
  position: absolute;
  width: 500px;
  height: 300px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(31,77,66,0.1) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}

.cta-inner .label-tag { display: block; margin-bottom: 16px; }
.cta-inner h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 16px;
  position: relative;
}
.cta-inner > p {
  color: var(--dim);
  font-size: 1.05rem;
  margin-bottom: 36px;
  position: relative;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 460px;
  margin: 0 auto 20px;
  position: relative;
}
.cta-form input {
  flex: 1;
  padding: 14px 18px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.9);
  color: var(--text);
  font-size: 0.95rem;
  font-family: 'Karla', inherit;
  outline: none;
  transition: border-color .2s;
}
.cta-form input::placeholder { color: var(--muted); }
.cta-form input:focus { border-color: rgba(31,77,66,0.4); }

.cta-note {
  font-size: 0.8rem;
  color: var(--muted);
  position: relative;
}
.cta-note a {
  color: var(--purple);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ══════════════════════════════
   FOOTER
══════════════════════════════ */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-top {
  display: flex;
  gap: 80px;
  align-items: flex-start;
  margin-bottom: 48px;
}

.footer-brand .logo { margin-bottom: 12px; }
.footer-brand p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.7;
}

.footer-nav {
  display: flex;
  gap: 56px;
  margin-left: auto;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col h5 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 0.875rem;
  color: var(--dim);
  transition: color .2s;
}
.footer-col a:hover { color: var(--purple); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 900px) {
  .problem-grid { grid-template-columns: 1fr; gap: 48px; }
  .panel-content { grid-template-columns: 1fr; gap: 40px; }
  .panel-visual { order: -1; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { flex-direction: column; gap: 40px; }
  .footer-nav { flex-wrap: wrap; gap: 32px; margin-left: 0; }
}

@media (max-width: 680px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 64px 0 0 0;
    background: rgba(242,244,240,0.97);
    padding: 32px 28px;
    gap: 8px;
    z-index: 199;
  }
  .nav-links.open a { font-size: 1.1rem; padding: 12px 16px; }
  .burger { display: flex; }
  .nav-cta { display: none; }
  .hero-h1 { letter-spacing: -2px; }
  .hero-proof { flex-direction: column; gap: 20px; padding: 20px; }
  .proof-sep { width: 60px; height: 1px; }
  .features-grid { grid-template-columns: 1fr; }
  .tabs { justify-content: flex-start; overflow-x: auto; padding-bottom: 4px; flex-wrap: nowrap; }
  .panel-content { padding: 28px 20px; }
  .cta-form { flex-direction: column; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}