/* ░░░░░ tecNevo · Landing VIP — DARK PREMIUM (PARTE 1/3) ░░░░░ */

:root {
  --bg:        #06080b;
  --bg-soft:   #0d1218;
  --ink:       #f4f7fb;
  --ink-soft:  #8d9aaa;
  --line:      #1a2430;
  --line-soft: #121a24;
  --teal:      #00d8b5;
  --teal-deep: #00b89a;
  --teal-soft: rgba(0,216,181,.08);
  --gold:      #d3ac56;
  --navy:      #030508;
  --navy-2:    #0a1017;
  --radius:    20px;
  --maxw:      1180px;
  --shadow:    0 40px 90px -40px rgba(0,0,0,.7);
  --shadow-sm: 0 14px 34px -16px rgba(0,0,0,.45);
  --ease:      cubic-bezier(.22,.61,.36,1);
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
  font-feature-settings: "ss01", "cv11", "liga";
  letter-spacing: -.01em;
}

::selection { background: rgba(0,216,181,.18); }

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.narrow { max-width: 760px; }

/* ── Tipografía ── */

h1, h2, h3 {
  letter-spacing: -.035em;
  line-height: 1.06;
  font-weight: 800;
}

h1 {
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 900;
  letter-spacing: -.045em;
}

h2 {
  font-size: clamp(28px, 3.8vw, 46px);
}

h3 {
  font-size: 19px;
  letter-spacing: -.02em;
}

.lead {
  font-size: clamp(17px, 1.7vw, 21px);
  color: var(--ink-soft);
  line-height: 1.55;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1.5px;
  background: var(--teal);
  display: inline-block;
}

.section-head .eyebrow {
  justify-content: center;
}

.eyebrow-light { color: var(--teal); }
.eyebrow-light::before { background: var(--teal); }

/* ── Botones ── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-weight: 700;
  border-radius: 999px;
  cursor: pointer;
  transition: .28s var(--ease);
  white-space: nowrap;
  border: 1.5px solid transparent;
  letter-spacing: -.01em;
}

.btn-sm {
  padding: 11px 20px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}

.btn-xl {
  padding: 19px 44px;
  font-size: 18px;
}

.btn-primary {
  background: linear-gradient(180deg, #00e3bf, var(--teal-deep));
  color: #021312;
  box-shadow: 0 18px 40px -16px rgba(0,216,181,.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 50px -16px rgba(0,216,181,.55);
}

.btn-ghost {
  background: rgba(255,255,255,.02);
  color: var(--ink);
  border-color: var(--line);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.btn-ghost:hover {
  border-color: rgba(255,255,255,.15);
  transform: translateY(-2px);
}

.btn .arr {
  transition: transform .25s var(--ease);
}

.btn:hover .arr {
  transform: translateX(5px);
}

.section-dark .btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,.08);
  box-shadow: none;
  background: rgba(255,255,255,.03);
}

.section-dark .btn-ghost:hover {
  border-color: rgba(255,255,255,.18);
}

/* ── NAV ── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: .25s;
  padding: 16px 0;
}

.nav.scrolled {
  background: rgba(7,10,14,.82);
  backdrop-filter: saturate(160%) blur(20px);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo {
  font-size: 18px;
  font-weight: 800;
  max-width: 15%;
  letter-spacing: -.03em;
}

.nav-logo span {
  color: var(--teal);
}

.nav-logo img {
  max-width: 100%;
}

/* Logo */


.nav .nav-logo span {
  color: var(--teal);
}

.nav-links {
  display: flex;
  gap: 30px;
  margin-left: auto;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-soft);
}

.nav-links a {
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0;
  height: 1.5px;
  background: var(--teal);
  transition: width .25s var(--ease);
}

.nav-links a:hover {
  color: #fff;
}

.nav-links a:hover::after {
  width: 100%;
}

/* ── HERO ── */

.hero {
  padding: 168px 0 96px;
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -8%;
  width: 900px;
  height: 720px;
  background: radial-gradient(closest-side, rgba(0,216,181,.08), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -28%;
  left: -12%;
  width: 620px;
  height: 620px;
  background: radial-gradient(closest-side, rgba(30,40,55,.18), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 60px;
  align-items: center;
}

.hero-copy h1 {
  margin-bottom: 24px;
}

.hero-copy .lead {
  margin-bottom: 34px;
  max-width: 560px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13.5px;
  color: var(--ink-soft);
  font-weight: 600;
}

.hero-trust b {
  color: var(--teal);
}

.hero-frame {
  border-radius: 3px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: linear-gradient(160deg, #0d1218, #121a22);
  aspect-ratio: 10/8;


  position: relative;
  border: 1px solid rgba(255,255,255,.04);
}

.hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 28px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.03);
  pointer-events: none;
}

.hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Tira de control ── */

.control-strip {
  background: #030508;
  color: #fff;
  padding: 26px 0;
  overflow: hidden;
  position: relative;
}

.control-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 140% at 50% 0%, rgba(0,216,181,.06), transparent 60%);
  pointer-events: none;
}

.control-track {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 12px 0;
  font-size: 14.5px;
  color: rgba(255,255,255,.42);
  font-weight: 500;
  position: relative;
}

.control-track span {
  padding: 0 26px;
  position: relative;
}

.control-track span + span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--teal);
  opacity: .7;
}

.control-track b {
  color: #fff;
  font-weight: 700;
}

/* ── Secciones base ── */

.section {
  padding: 116px 0;
}

.section-soft {
  background: var(--bg-soft);
}

.section-head {
  max-width: 740px;
  margin: 0 auto 64px;
  text-align: center;
}

.section-head h2 {
  margin-bottom: 18px;
}

.section-lead {
  color: var(--ink-soft);
  font-size: 18.5px;
  line-height: 1.6;
}


/* ░░░░░ tecNevo · Landing VIP — DARK PREMIUM (PARTE 2/3) ░░░░░ */

/* ── 2 · Problema ── */

#problema h2 {
  margin-bottom: 26px;
}

#problema .section-lead {
  margin-bottom: 22px;
}

.problem-list {
  list-style: none;
  display: grid;
  gap: 14px;
  margin-bottom: 30px;
}

.problem-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 18px;
  color: var(--ink);
}

.problem-list .x {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex-shrink: 0;
  background: rgba(226,87,91,.12);
  color: #ff6d73;
  font-size: 13px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.problem-close {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
  border-left: 3px solid var(--teal);
  padding-left: 18px;
}

/* ── 3 · Experiencia (cards) ── */

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

.card {
  background: #0e141b;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: .3s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(0,216,181,.18);
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 15px;
  margin-bottom: 20px;
  background: linear-gradient(150deg, rgba(0,216,181,.12), rgba(0,216,181,.03));
  border: 1px solid rgba(0,216,181,.10);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--teal);
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card h3 {
  margin-bottom: 8px;
}

.card p {
  color: var(--ink-soft);
  font-size: 15.5px;
}

/* ── 4 · Cómo funciona ── */

.steps {
  list-style: none;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(var(--teal), var(--line));
}

.step {
  display: flex;
  gap: 22px;
  padding: 16px 0;
  position: relative;
}

.step-n {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  flex-shrink: 0;
  z-index: 1;
  background: #0e141b;
  border: 2px solid var(--teal);
  color: var(--teal);
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step h3 {
  margin-bottom: 3px;
}

.step p {
  color: var(--ink-soft);
  font-size: 15.5px;
}

/* ── 5 · La app ── */

.section-dark {
  background: radial-gradient(130% 110% at 82% 0%, #0a1017, #030508);
  color: #fff;
  position: relative;
}

.section-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 50% at 15% 100%, rgba(0,216,181,.06), transparent 70%);
  pointer-events: none;
}

.section-dark > .container {
  position: relative;
}

.section-dark .section-lead {
  color: rgba(255,255,255,.58);
}

.app-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.app-copy h2 {
  margin-bottom: 18px;
}

.app-features {
  list-style: none;
  margin: 26px 0 32px;
  display: grid;
  gap: 12px;
}

.app-features li {
  position: relative;
  padding-left: 30px;
  color: rgba(255,255,255,.78);
  font-weight: 500;
}

.app-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--teal);
  font-weight: 800;
}

.app-media {
  display: flex;
  justify-content: center;
}

.app-media img {
  max-height: 560px;
  filter: drop-shadow(0 40px 70px rgba(0,0,0,.7));
}

/* ── 6 · Packaging ── */

.packaging-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.packaging-media {
  border-radius: 3px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #0e141b;
  border: 1px solid var(--line);
}

.packaging-media img {
  width: 100%;
}

.packaging-copy h2 {
  margin: 14px 0 18px;
}

.packaging-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.packaging-chips span {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-soft);
  background: #0e141b;
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 999px;
}

/* ── 7 · Confianza ── */

.trust-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.trust-copy h2 {
  margin: 12px 0 22px;
}

.trust-lines {
  font-size: 21px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 18px;
}

.trust-strong {
  font-size: 22px;
  font-weight: 700;
}

.trust-timeline {
  background: #0e141b;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 30px;
  box-shadow: var(--shadow-sm);
}

.trust-timeline ul {
  list-style: none;
  display: grid;
  gap: 4px;
}

.trust-timeline li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
  font-size: 16px;
  font-weight: 600;
  color: #5d6976;
}

.trust-timeline li.done {
  color: var(--ink);
}

.trust-timeline li.active {
  color: var(--teal);
}

.trust-timeline .tick {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  background: #121921;
  color: #55606c;
}

.trust-timeline li.done .tick {
  background: rgba(0,216,181,.10);
  color: var(--teal);
}

.trust-timeline li.active .tick {
  background: var(--teal);
  color: #041a16;
  box-shadow: 0 0 0 5px rgba(0,216,181,.12);
}

/* ── 8 · Pasaporte ── */

.clinic-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 56px;
  align-items: center;
}

.clinic-copy h2 {
  margin: 12px 0 18px;
}

.clinic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

.clinic-tags span {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--teal);
  background: rgba(0,216,181,.06);
  padding: 7px 14px;
  border-radius: 999px;
}

.clinic-text {
  color: var(--ink-soft);
  font-size: 17px;
}

.clinic-text b {
  color: var(--ink);
}

.clinic-qr {
  display: flex;
  justify-content: center;
}

.qr-card {
  background: #0e141b;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 30px;
  box-shadow: var(--shadow);
  text-align: center;
  position: relative;
}

.qr-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(160deg, rgba(0,216,181,.25), transparent 50%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.qr-canvas {
  width: 190px;
  height: 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.qr-canvas img,
.qr-canvas canvas {
  width: 190px !important;
  height: 190px !important;
}

.qr-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--ink-soft);
}

.qr-code {
  display: block;
  font-family: ui-monospace, monospace;
  font-weight: 700;
}

/* ░░░░░ tecNevo · Landing VIP — DARK PREMIUM (PARTE 3/3) ░░░░░ */

/* ── 9 · CTA FINAL ── */

.final {
  text-align: center;
}

.final h2 {
  margin-bottom: 18px;
}

.final-lead {
  color: rgba(255,255,255,.68);
  font-size: 19px;
  max-width: 620px;
  margin: 0 auto 32px;
}

.mantra {
  margin: 52px auto 0;
  font-size: clamp(19px, 2.4vw, 27px);
  font-weight: 700;
  color: #fff;
  max-width: 760px;
  line-height: 1.45;
  letter-spacing: -.02em;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,.08);
}

/* ── Footer ── */

.footer {
  background: #030508;
  color: rgba(255,255,255,.55);
  padding: 56px 0;
  border-top: 1px solid rgba(255,255,255,.04);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.footer .nav-logo {
  color: #fff;
}

.footer p {
  max-width: 420px;
  font-size: 15px;
}

.footer-links {
  display: flex;
  gap: 22px;
  font-weight: 600;
  color: #fff;
  font-size: 14.5px;
  margin-top: 4px;
}

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

.footer-copy {
  font-size: 13px;
  color: rgba(255,255,255,.35);
  margin-top: 8px;
}

/* ── Pill Hero ── */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--teal);
  background: rgba(0,216,181,.06);
  border: 1px solid rgba(0,216,181,.18);
  padding: 7px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(0,216,181,.12);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; }
  50% { opacity: .4; }
}

/* ── Problema ── */

#problema .eyebrow {
  display: block;
}

#problema h2 {
  margin: 6px 0 24px;
}

.problem-by {
  font-size: 21px;
  font-weight: 800;
  color: var(--teal);
  margin-top: 8px;
}

/* ── Solución ── */

.center {
  text-align: center;
}

.center .section-lead {
  margin: 0 auto 36px;
  max-width: 640px;
}

#solucion h2 {
  margin: 8px auto 18px;
  max-width: 760px;
}

.solution-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  text-align: left;
  max-width: 820px;
  margin: 0 auto;
}

.sol-no,
.sol-yes {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: #0e141b;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.sol-yes {
  border-color: rgba(0,216,181,.18);
  box-shadow: var(--shadow-sm);
}

.sol-tag {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
}

.sol-no .sol-tag {
  background: #151c24;
  color: #6e7b89;
}

.sol-yes .sol-tag {
  background: var(--teal);
  color: #041a16;
}

.sol-no p,
.sol-yes p {
  font-size: 16.5px;
  color: var(--ink);
  font-weight: 500;
}

.sol-no p {
  color: var(--ink-soft);
}

/* ── Kit ── */

.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 24px;
  margin-top: 26px;
}

.feature-list > div {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.feature-list .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(0,216,181,.12);
}

/* ── Diferenciales ── */

.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 880px;
  margin: 0 auto;
}

.diff {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #0e141b;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 24px;
  font-size: 16.5px;
  font-weight: 600;
  transition: .25s var(--ease);
}

.diff:hover {
  border-color: rgba(0,216,181,.16);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.diff-check {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--teal);
  color: #041a16;
  font-weight: 800;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── FAQ ── */

.faq {
  display: grid;
  gap: 12px;
}

.faq-item {
  background: #0e141b;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 4px 22px;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 0;
  font-size: 17px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  color: var(--teal);
  transition: transform .2s;
  line-height: 1;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-a {
  padding: 0 0 20px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.65;
}

/* ── Reveal ── */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

/* ── Responsive ── */

@media (max-width: 920px) {
  .nav-links { display: none; }

  .nav .btn-sm{
    margin-left:auto;
  }

  .hero {
    padding: 120px 0 30px;
  }
  .hero-trust {
    font-size: 10px;
  }

  .hero-grid,
  .app-grid,
  .packaging-grid,
  .trust-grid,
  .clinic-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-media { order: -1; }

  .hero-frame {
    aspect-ratio: 16/12;
  }

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

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

  .packaging-media {
    order: 2;
  }

  .solution-split {
    grid-template-columns: 1fr;
  }

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

  .section {
    padding: 72px 0;
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }
  .hero {
  padding-bottom: 30px;
  }
  .hero-trust {
    font-size: 10px;
  }

 .nav .btn-sm{
    margin-left:auto;
  }

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

  .feature-list {
    grid-template-columns: 1fr;
  }

  .control-track {
    gap: 10px 22px;
    font-size: 13.5px;
  }

  .hero-cta .btn {
    flex: 1;
  }

  .nav-logo {
    font-size: 18px;
    font-weight: 800;
    max-width: 30%;
    letter-spacing: -.03em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }

}

/* ── PRELOADER ── */

#preloader {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100vh;
  background: radial-gradient(circle at center, #0b1015 0%, #020304 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.loader-logo {
  width: 220px;
  height: auto;
  animation: pulse 2s ease infinite;
}

.loader-spinner {
  width: 28px;
  height: 28px;
  border: 2px solid rgba(255,255,255,.08);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

#preloader.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-logo {
  width: 220px;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0% { opacity: .7; transform: scale(.98); }
  50% { opacity: 1; transform: scale(1); }
  100% { opacity: .7; transform: scale(.98); }
}