/* =========================
   Design Tokens
========================= */
@font-face {
  font-family: "Nova Inter";
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("../../MODELOS/travel-landing-50.aura.build/assets/UcC73FwrK3iLTeHuS_nVMrMxCp50Sj_1ab1ad55902b.woff2") format("woff2");
}

:root {
  color-scheme: dark;
  --font-sans: "Nova Inter", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --color-primary-50: #f7f2ff;
  --color-primary-100: #eadcff;
  --color-primary-300: #c9abf1;
  --color-primary-500: #af80e8;
  --color-primary-600: #9465d8;
  --color-secondary-100: #f0f1ff;
  --color-secondary-500: #5d65e6;
  --color-secondary-600: #4850cc;
  --color-accent-100: #ecffd2;
  --color-accent-500: #b7f36b;
  --color-accent-700: #75ba32;
  --color-bg: #090a0c;
  --color-bg-elevated: #0d0f14;
  --color-surface: #12141a;
  --color-surface-2: #181b23;
  --color-surface-3: #202531;
  --color-border: rgb(255 255 255 / 10%);
  --color-border-strong: rgb(255 255 255 / 18%);
  --color-text: #f4f7fb;
  --color-text-soft: #d5dbe6;
  --color-text-muted: #9aa3b2;
  --color-text-faint: #697383;
  --color-success: #72e6a5;
  --color-warning: #ffcf5c;
  --color-error: #ff5f6d;
  --color-info: #60b8ff;
  --color-decorative-violet: #9d7cff;

  --gradient-brand: linear-gradient(135deg, var(--color-primary-500), var(--color-secondary-500) 72%, #8ea0ff);
  --gradient-ember: linear-gradient(135deg, #eadcff, #af80e8);
  --gradient-glass: linear-gradient(180deg, rgb(255 255 255 / 9%), rgb(255 255 255 / 3%));
  --gradient-text: linear-gradient(135deg, #ffffff 0%, #dfe8f5 45%, #9aa3b2 100%);
  --gradient-aurora:
    radial-gradient(90% 65% at 12% 8%, rgb(175 128 232 / 18%), transparent 60%),
    radial-gradient(80% 60% at 86% 18%, rgb(93 101 230 / 14%), transparent 58%),
    radial-gradient(70% 55% at 58% 92%, rgb(183 243 107 / 9%), transparent 58%);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-section: clamp(84px, 10vw, 140px);

  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;

  --shadow-sm: 0 8px 24px rgb(0 0 0 / 22%);
  --shadow-md: 0 18px 52px rgb(0 0 0 / 34%);
  --shadow-lg: 0 34px 90px rgb(0 0 0 / 45%);
  --shadow-glow: 0 0 44px rgb(175 128 232 / 26%);
  --shadow-cyan: 0 0 42px rgb(93 101 230 / 22%);

  --container: 1180px;
  --container-wide: 1320px;
  --header-height: 72px;

  --z-header: 20;
  --z-modal: 60;
  --z-toast: 70;

  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 250ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 500ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-entrance: 700ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  background: var(--color-bg);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  font-family: var(--font-sans);
  color: var(--color-text);
  background:
    var(--gradient-aurora),
    linear-gradient(180deg, var(--color-bg) 0%, #0c0d10 42%, #07080a 100%);
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 0 35%, rgb(255 255 255 / 3.5%) 35.2%, transparent 36.2%),
    linear-gradient(rgb(255 255 255 / 3%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 2.5%) 1px, transparent 1px);
  background-size: auto, 72px 72px, 72px 72px;
  mask-image: linear-gradient(to bottom, black 0%, black 70%, transparent 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.42;
  background-image: radial-gradient(circle at 1px 1px, rgb(255 255 255 / 14%) 1px, transparent 0);
  background-size: 22px 22px;
  mix-blend-mode: overlay;
}

::selection {
  color: #14100d;
  background: var(--color-primary-300);
}

/* =========================
   Typography
========================= */
h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
}

h1,
.display-type {
  max-width: 12ch;
  font-size: clamp(3.5rem, 8vw, 7.35rem);
  font-weight: 720;
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  max-width: 13ch;
  font-size: clamp(2.35rem, 5vw, 4.4rem);
  font-weight: 680;
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: 0;
}

p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.68;
}

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

code,
pre {
  font-family: var(--font-mono);
}

.hero-lead,
.section-heading p {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.75;
}

.kicker,
.eyebrow,
.badge {
  font-size: 0.72rem;
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.kicker {
  display: inline-flex;
  color: var(--color-secondary-500);
}

/* =========================
   Layout
========================= */
.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.skip-link {
  position: fixed;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 100;
  transform: translateY(-140%);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-pill);
  color: #0b0c0f;
  background: var(--color-text);
  transition: transform var(--transition-base);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: var(--space-section);
}

.section::before,
.section-alt::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.section::before {
  background: linear-gradient(135deg, rgb(175 128 232 / 6%), transparent 28%, rgb(93 101 230 / 5%));
}

.section-alt::before {
  background:
    linear-gradient(180deg, rgb(255 255 255 / 2.5%), transparent),
    radial-gradient(80% 60% at 80% 20%, rgb(93 101 230 / 10%), transparent 60%);
}

.section-heading {
  display: grid;
  gap: var(--space-5);
  margin-bottom: clamp(38px, 6vw, 72px);
}

.section-heading p {
  max-width: 760px;
}

/* =========================
   Navigation
========================= */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-header);
  height: var(--header-height);
  border-bottom: 1px solid rgb(255 255 255 / 7%);
  background: rgb(9 10 12 / 72%);
  backdrop-filter: blur(22px);
  box-shadow: 0 18px 70px rgb(0 0 0 / 28%);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  background: rgb(9 10 12 / 88%);
  box-shadow: 0 18px 70px rgb(0 0 0 / 42%);
}

.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-mark {
  position: relative;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  overflow: hidden;
  border-radius: 14px;
  color: #090a0c;
  background: var(--gradient-brand);
  box-shadow: var(--shadow-glow);
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: -40%;
  background: linear-gradient(110deg, transparent, rgb(255 255 255 / 74%), transparent);
  transform: translateX(-130%) rotate(18deg);
  animation: sweep 5.8s ease-in-out infinite;
}

.brand svg,
.icon-button svg,
.btn svg,
.icon-tile svg,
.float-card svg,
.alert svg,
.toast svg,
.field svg,
.icon-grid svg {
  width: 1.1em;
  height: 1.1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.brand strong {
  display: block;
  font-size: 0.96rem;
  letter-spacing: 0;
}

.brand small {
  display: block;
  margin-top: 1px;
  color: var(--color-text-faint);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1);
  border: 1px solid rgb(255 255 255 / 7%);
  border-radius: var(--radius-pill);
  background: rgb(255 255 255 / 3.5%);
}

.main-nav a {
  position: relative;
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  padding: 0 var(--space-4);
  border-radius: var(--radius-pill);
  color: var(--color-text-muted);
  font-size: 0.86rem;
  font-weight: 620;
  transition: color var(--transition-base), background var(--transition-base), transform var(--transition-base);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-text);
  background: rgb(255 255 255 / 7%);
}

.main-nav a[aria-current="true"] {
  color: var(--color-text);
  background: rgb(255 255 255 / 9%);
}

.main-nav .nav-cta {
  color: #12100d;
  background: var(--color-text);
}

.mobile-toggle {
  display: none;
}

/* =========================
   Components
========================= */
.btn,
.icon-button {
  border: 0;
  font: inherit;
  cursor: pointer;
}

.btn {
  position: relative;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  overflow: hidden;
  padding: 0 var(--space-5);
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 760;
  letter-spacing: 0;
  transition:
    transform var(--transition-base),
    border-color var(--transition-base),
    background var(--transition-base),
    box-shadow var(--transition-base),
    color var(--transition-base);
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  background: radial-gradient(180px circle at var(--mx, 50%) var(--my, 50%), rgb(255 255 255 / 34%), transparent 62%);
  transition: opacity var(--transition-base);
}

.btn > * {
  position: relative;
  z-index: 1;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:hover::before {
  opacity: 1;
}

.btn:active {
  transform: translateY(0) scale(0.99);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
}

.btn-primary {
  color: #090a0c;
  background: var(--gradient-ember);
  box-shadow: var(--shadow-glow), inset 0 1px 0 rgb(255 255 255 / 48%);
}

.btn-secondary {
  color: var(--color-text);
  border: 1px solid var(--color-border);
  background: rgb(255 255 255 / 7%);
  backdrop-filter: blur(18px);
}

.btn-outline {
  color: var(--color-text-soft);
  border: 1px solid var(--color-border-strong);
  background: transparent;
}

.btn-ghost {
  color: var(--color-text-muted);
  background: transparent;
}

.btn-link {
  min-height: auto;
  padding: 0;
  color: var(--color-secondary-500);
  background: transparent;
}

.btn-sm {
  min-height: 34px;
  padding-inline: var(--space-4);
  font-size: 0.78rem;
}

.btn-lg {
  min-height: 54px;
  padding-inline: var(--space-8);
}

.is-loading {
  pointer-events: none;
}

.is-loading::after {
  content: "";
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

.icon-button {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  color: var(--color-text-soft);
  background: rgb(255 255 255 / 5%);
  transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base), color var(--transition-base);
}

.icon-button:hover {
  transform: translateY(-2px);
  border-color: rgb(93 101 230 / 42%);
  color: var(--color-text);
  background: rgb(93 101 230 / 12%);
}

.mobile-toggle {
  display: none;
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-soft);
  background: linear-gradient(90deg, rgb(175 128 232 / 16%), rgb(93 101 230 / 12%));
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 8%);
}

.eyebrow span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary-500);
  box-shadow: 0 0 18px rgb(175 128 232 / 90%);
}

.badge {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: var(--space-2);
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  color: var(--color-text-soft);
  background: rgb(255 255 255 / 5%);
}

.badge-success {
  color: #d9ffe8;
  border-color: rgb(114 230 165 / 28%);
  background: rgb(114 230 165 / 12%);
}

.badge-warning {
  color: #fff2c7;
  border-color: rgb(255 207 92 / 30%);
  background: rgb(255 207 92 / 13%);
}

.badge-error {
  color: #ffe2e5;
  border-color: rgb(255 95 109 / 30%);
  background: rgb(255 95 109 / 13%);
}

.icon-tile {
  display: inline-grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: rgb(255 255 255 / 6%);
}

.icon-tile.ember {
  color: var(--color-primary-500);
  border-color: rgb(175 128 232 / 30%);
  background: rgb(175 128 232 / 12%);
}

.icon-tile.cyan {
  color: var(--color-secondary-500);
  border-color: rgb(93 101 230 / 28%);
  background: rgb(93 101 230 / 12%);
}

.icon-tile.lime {
  color: var(--color-accent-500);
  border-color: rgb(183 243 107 / 24%);
  background: rgb(183 243 107 / 9%);
}

.dashboard-card,
.principle-card,
.analysis-panel,
.table-card,
.token-card,
.component-block,
.ui-card,
.real-card,
.practice-card,
.code-card,
.motion-card {
  border: 1px solid var(--color-border);
  background: var(--gradient-glass), rgb(18 20 26 / 72%);
  box-shadow: var(--shadow-md), inset 0 1px 0 rgb(255 255 255 / 7%);
  backdrop-filter: blur(22px);
}

/* =========================
   Hero
========================= */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-height) + 56px) 0 72px;
}

.hero-bg,
.hero-bg > * {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-bg .glow {
  opacity: 0.7;
  filter: blur(46px);
  animation: breathe 10s ease-in-out infinite;
}

.glow-ember {
  clip-path: polygon(0 8%, 56% 0, 46% 18%, 0 30%);
  background: linear-gradient(90deg, rgb(175 128 232 / 48%), transparent);
}

.glow-cyan {
  clip-path: polygon(60% 0, 100% 4%, 100% 36%, 72% 26%);
  background: linear-gradient(120deg, transparent, rgb(93 101 230 / 38%));
  animation-delay: -3s;
}

.glow-lime {
  clip-path: polygon(18% 78%, 100% 58%, 100% 100%, 0 100%);
  background: linear-gradient(90deg, rgb(183 243 107 / 18%), transparent 62%);
  animation-delay: -6s;
}

.mesh-layer {
  background:
    linear-gradient(115deg, transparent 0 45%, rgb(255 255 255 / 5%) 45.2%, transparent 46.1%),
    linear-gradient(160deg, transparent 0 63%, rgb(93 101 230 / 6%) 63.2%, transparent 64.4%);
}

.noise-layer {
  opacity: 0.24;
  background-image: radial-gradient(circle at 1px 1px, rgb(255 255 255 / 18%) 1px, transparent 0);
  background-size: 18px 18px;
  mix-blend-mode: overlay;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  align-items: center;
  gap: clamp(40px, 7vw, 92px);
}

.hero-copy {
  display: grid;
  gap: var(--space-6);
}

.hero-copy h1 {
  max-width: 780px;
  font-size: clamp(3rem, 5.2vw, 4.85rem);
  line-height: 0.96;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-wrap: balance;
}

.hero-lead {
  max-width: 710px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  max-width: 640px;
  margin: var(--space-8) 0 0;
}

.hero-metrics div {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 4%);
}

.hero-metrics dt {
  font-size: 1.55rem;
  font-weight: 760;
}

.hero-metrics dd {
  margin: 3px 0 0;
  color: var(--color-text-faint);
  font-size: 0.82rem;
}

.hero-stage {
  position: relative;
  min-height: 540px;
  display: grid;
  place-items: center;
}

.floating-orbit {
  position: absolute;
  width: 78%;
  height: 22%;
  border: 1px solid rgb(255 255 255 / 10%);
  transform: rotate(-16deg);
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 6%), transparent);
  filter: blur(0.2px);
  animation: drift 8s ease-in-out infinite;
}

.orbit-b {
  width: 62%;
  transform: rotate(18deg);
  animation-delay: -4s;
}

.main-demo-card {
  position: relative;
  z-index: 2;
  width: min(100%, 520px);
  overflow: hidden;
  padding: var(--space-5);
  border-radius: 28px;
}

.main-demo-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 55% at 50% 0%, rgb(175 128 232 / 20%), transparent 60%);
  pointer-events: none;
}

.demo-toolbar {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.demo-toolbar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgb(255 255 255 / 22%);
}

.demo-toolbar span:first-child {
  background: var(--color-error);
}

.demo-toolbar span:nth-child(2) {
  background: var(--color-warning);
}

.demo-toolbar span:nth-child(3) {
  background: var(--color-success);
}

.demo-toolbar strong {
  margin-left: auto;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.demo-chart {
  position: relative;
  display: grid;
  height: 260px;
  grid-template-columns: repeat(6, 1fr);
  align-items: end;
  gap: var(--space-3);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(rgb(255 255 255 / 5%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 4%) 1px, transparent 1px),
    rgb(0 0 0 / 16%);
  background-size: 100% 25%, 20% 100%, auto;
}

.demo-chart span {
  display: block;
  min-height: 48px;
  border-radius: 12px 12px 4px 4px;
  background: linear-gradient(180deg, var(--color-secondary-500), var(--color-primary-500));
  box-shadow: 0 0 24px rgb(93 101 230 / 22%);
  transform-origin: bottom;
  animation: barRise 900ms var(--ease-out) both;
}

.demo-chart span:nth-child(even) {
  background: linear-gradient(180deg, var(--color-accent-500), var(--color-secondary-500));
}

.demo-row {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-5);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 4%);
}

.demo-row small,
.float-card small {
  display: block;
  color: var(--color-text-faint);
  font-size: 0.78rem;
}

.float-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgb(18 20 26 / 78%);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(20px);
  animation: floatY 7s ease-in-out infinite;
}

.float-card-left {
  left: 0;
  top: 18%;
}

.float-card-right {
  right: 0;
  bottom: 18%;
  animation-delay: -3s;
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 20px rgb(114 230 165 / 72%);
}

/* =========================
   Sections
========================= */
.principle-grid,
.color-grid,
.gradient-grid,
.layout-grid,
.cards-grid,
.feedback-grid,
.motion-grid,
.practice-grid,
.section-examples {
  display: grid;
  gap: var(--space-5);
}

.principle-grid {
  grid-template-columns: repeat(3, 1fr);
}

.principle-card,
.practice-card,
.motion-card,
.token-card {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

.principle-card:hover,
.practice-card:hover,
.motion-card:hover,
.token-card:hover,
.ui-card:hover,
.real-card:hover {
  transform: translateY(-4px);
  border-color: rgb(93 101 230 / 30%);
}

.analysis-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-5);
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--radius-xl);
}

.check-list {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent-500);
  box-shadow: 0 0 14px rgb(183 243 107 / 45%);
}

.type-showcase {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.type-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgb(255 255 255 / 4%);
}

.type-row span {
  color: var(--color-secondary-500);
  font-weight: 720;
}

.type-row code {
  color: var(--color-text-faint);
  font-size: 0.78rem;
}

.type-row.display p {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 760;
  line-height: 0.96;
  letter-spacing: 0;
}

.type-row.h1 p {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}

.type-row.h2 p {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 650;
  line-height: 1.05;
}

.type-row.h3 p {
  font-size: 1.45rem;
  font-weight: 620;
  line-height: 1.25;
}

.table-card {
  overflow: auto;
  border-radius: var(--radius-xl);
}

table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

caption {
  padding: var(--space-5);
  color: var(--color-text-soft);
  font-weight: 720;
  text-align: left;
}

th,
td {
  padding: 14px 16px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.84rem;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--color-text);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgb(255 255 255 / 4%);
}

/* =========================
   Colors
========================= */

.color-grid {
  grid-template-columns: repeat(3, 1fr);
}

.color-card {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgb(255 255 255 / 4%);
}

.color-card > span {
  display: block;
  height: 88px;
  border: 1px solid rgb(255 255 255 / 16%);
  border-radius: var(--radius-md);
  background:
    linear-gradient(90deg, rgb(255 255 255 / 0%) 0 20%, rgb(255 255 255 / 16%) 20% 40%, rgb(255 255 255 / 28%) 40% 60%, rgb(255 255 255 / 48%) 60% 80%, rgb(255 255 255 / 72%) 80%),
    var(--swatch);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 18%);
}

.color-card h3 {
  font-family: var(--font-mono);
  font-size: 0.94rem;
}

.color-card small {
  color: var(--color-text-faint);
  line-height: 1.5;
}

.opacity-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.opacity-strip span {
  min-height: 64px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: rgb(175 128 232 / var(--alpha));
}

.gradient-grid {
  grid-template-columns: repeat(4, 1fr);
}

.gradient-card {
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: var(--space-2);
  overflow: hidden;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.gradient-primary {
  background: var(--gradient-brand);
}

.gradient-aurora {
  background: var(--gradient-aurora), #0a0b0d;
}

.gradient-surface {
  background: var(--gradient-glass), #141720;
}

.gradient-data {
  background: linear-gradient(135deg, rgb(93 101 230 / 82%), rgb(175 128 232 / 78%)), #0a0b0d;
}

.gradient-card h3,
.gradient-card p {
  color: #fff;
  text-shadow: 0 2px 14px rgb(0 0 0 / 35%);
}

.layout-grid {
  grid-template-columns: 0.9fr 1.4fr 1fr;
}

.space-scale {
  display: grid;
  gap: var(--space-3);
}

.space-scale span {
  width: calc(var(--w) * 2.5);
  min-width: 30px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  color: #140e09;
  background: var(--color-primary-500);
  font-size: 0.72rem;
  font-weight: 750;
}

.grid-demo {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 6px;
}

.grid-demo span {
  height: 74px;
  border: 1px solid rgb(93 101 230 / 24%);
  border-radius: var(--radius-sm);
  background: rgb(93 101 230 / 11%);
}

.radius-demo {
  display: flex;
  align-items: end;
  gap: var(--space-3);
}

.radius-demo span {
  display: grid;
  width: 62px;
  height: 62px;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 14%);
  background: rgb(255 255 255 / 7%);
}

.radius-demo span:nth-child(1) { border-radius: var(--radius-sm); }
.radius-demo span:nth-child(2) { border-radius: var(--radius-md); }
.radius-demo span:nth-child(3) { border-radius: var(--radius-lg); }
.radius-demo span:nth-child(4) { border-radius: var(--radius-xl); }

.component-block {
  display: grid;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  padding: clamp(22px, 4vw, 36px);
  border-radius: var(--radius-xl);
}

.component-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-6);
}

.component-title p {
  max-width: 620px;
}

.button-lab,
.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.field {
  display: grid;
  gap: var(--space-2);
  color: var(--color-text-soft);
  font-size: 0.84rem;
  font-weight: 650;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: 0;
  padding: 0 var(--space-4);
  color: var(--color-text);
  background: rgb(6 7 9 / 50%);
  font: inherit;
  font-weight: 450;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.field textarea {
  min-height: 120px;
  padding-block: var(--space-4);
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--color-text-faint);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--color-secondary-500);
  box-shadow: 0 0 0 4px rgb(93 101 230 / 15%);
}

.field input:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.field small {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-faint);
  font-weight: 450;
}

.field-search {
  position: relative;
}

.field-search svg {
  position: absolute;
  left: 15px;
  bottom: 15px;
  color: var(--color-text-faint);
}

.field-search input {
  padding-left: 42px;
}

.is-success input {
  border-color: rgb(114 230 165 / 46%);
}

.is-success small {
  color: var(--color-success);
}

.is-error input {
  border-color: rgb(255 95 109 / 58%);
}

.is-error small {
  color: var(--color-error);
}

.check-control,
.radio-control,
.switch-control {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 40px;
  color: var(--color-text-soft);
  font-size: 0.9rem;
  cursor: pointer;
}

.check-control input,
.radio-control input,
.switch-control input {
  position: absolute;
  opacity: 0;
}

.check-control span,
.radio-control span {
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border: 1px solid var(--color-border-strong);
  background: rgb(255 255 255 / 5%);
}

.check-control span {
  border-radius: 6px;
}

.radio-control span {
  border-radius: 50%;
}

.check-control input:checked + span,
.radio-control input:checked + span {
  border-color: var(--color-primary-500);
  background: var(--color-primary-500);
  box-shadow: 0 0 0 4px rgb(175 128 232 / 14%);
}

.check-control input:checked + span::before {
  content: "";
  width: 8px;
  height: 5px;
  border: 2px solid #15100b;
  border-top: 0;
  border-right: 0;
  transform: rotate(-45deg);
}

.radio-control input:checked + span::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #15100b;
}

.switch-control span {
  position: relative;
  width: 46px;
  height: 26px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  background: rgb(255 255 255 / 6%);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.switch-control span::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-text-muted);
  transition: transform var(--transition-base), background var(--transition-base);
}

.switch-control input:checked + span {
  border-color: rgb(183 243 107 / 40%);
  background: rgb(183 243 107 / 18%);
}

.switch-control input:checked + span::before {
  transform: translateX(20px);
  background: var(--color-accent-500);
}

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

.ui-card {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
}

.image-card .card-visual {
  height: 100px;
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgb(255 255 255 / 10%), transparent),
    var(--gradient-brand);
}

.price-card strong,
.stat-card strong,
.pricing-example strong,
.stats-example strong {
  color: var(--color-text);
  font-size: 2.5rem;
  font-weight: 760;
  line-height: 1;
}

.glass-card {
  background:
    linear-gradient(135deg, rgb(255 255 255 / 13%), rgb(255 255 255 / 3%)),
    rgb(255 255 255 / 5%);
}

.feedback-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: center;
}

.alert,
.toast-demo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 52px;
  padding: var(--space-4);
  border-radius: var(--radius-md);
}

.alert-info {
  grid-column: span 2;
  color: #d7f8ff;
  border: 1px solid rgb(93 101 230 / 28%);
  background: rgb(93 101 230 / 12%);
}

.toast-demo {
  grid-column: span 2;
  border: 1px solid rgb(114 230 165 / 22%);
  background: rgb(114 230 165 / 10%);
}

.progress {
  height: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: rgb(255 255 255 / 5%);
}

.progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--gradient-brand);
}

.skeleton {
  height: 44px;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 6%);
}

.skeleton::after {
  content: "";
  display: block;
  width: 45%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgb(255 255 255 / 16%), transparent);
  animation: shimmer 1.5s ease-in-out infinite;
}

.icon-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
}

.icon-grid span {
  display: grid;
  min-height: 132px;
  place-items: center;
  gap: var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-muted);
  background: rgb(255 255 255 / 4%);
}

.icon-grid svg {
  width: 30px;
  height: 30px;
  color: var(--color-secondary-500);
}

.motion-grid,
.practice-grid {
  grid-template-columns: repeat(4, 1fr);
}

.motion-card span {
  width: 100%;
  height: 96px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgb(175 128 232 / 20%), transparent),
    rgb(255 255 255 / 5%);
}

.motion-card:hover span {
  animation: pulsePanel 900ms var(--ease-out);
}

.real-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: var(--space-8);
  align-items: center;
  margin-bottom: var(--space-6);
  padding: clamp(26px, 5vw, 52px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgb(175 128 232 / 12%), transparent 44%),
    rgb(255 255 255 / 4%);
}

.real-section > div:first-child {
  display: grid;
  gap: var(--space-5);
}

.mini-product {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  min-height: 320px;
}

.mini-product div {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--gradient-glass), rgb(9 10 12 / 60%);
}

.mini-product div:first-child,
.mini-product div:last-child {
  grid-row: span 2;
}

.section-examples {
  grid-template-columns: 1fr 1fr 0.8fr 1.2fr;
}

.real-card {
  display: grid;
  align-content: start;
  gap: var(--space-4);
  min-height: 260px;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

blockquote {
  margin: 0;
  color: var(--color-text-soft);
  font-size: 1.15rem;
  line-height: 1.55;
}

details {
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgb(255 255 255 / 4%);
}

details + details {
  margin-top: var(--space-3);
}

summary {
  color: var(--color-text);
  font-weight: 700;
  cursor: pointer;
}

details p {
  margin-top: var(--space-3);
}

.cta-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  margin-top: var(--space-6);
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid rgb(175 128 232 / 30%);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgb(175 128 232 / 20%), rgb(93 101 230 / 12%)),
    rgb(18 20 26 / 70%);
  box-shadow: var(--shadow-glow);
}

.code-card {
  overflow: auto;
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  color: #d6f7ff;
  line-height: 1.8;
}

/* =========================
   Modal and Toast
========================= */
.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: grid;
  place-items: center;
  padding: var(--space-5);
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgb(0 0 0 / 68%);
  backdrop-filter: blur(8px);
  animation: fadeIn var(--transition-base);
}

.modal-panel {
  position: relative;
  width: min(100%, 560px);
  display: grid;
  gap: var(--space-5);
  padding: var(--space-6);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  outline: 0;
  background: var(--gradient-glass), rgb(18 20 26 / 92%);
  box-shadow: var(--shadow-lg);
  animation: modalIn var(--transition-slow);
}

.modal-panel header,
.modal-panel footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.modal-panel h2 {
  max-width: none;
  margin-top: var(--space-2);
  font-size: clamp(1.85rem, 4vw, 2.45rem);
  line-height: 1.08;
}

.modal-panel footer {
  justify-content: flex-end;
}

.toast {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: var(--z-toast);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  max-width: min(360px, calc(100vw - 32px));
  padding: var(--space-4);
  border: 1px solid rgb(114 230 165 / 25%);
  border-radius: var(--radius-lg);
  color: #ddffe9;
  background: rgb(18 32 25 / 88%);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px);
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================
   Animations
========================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  filter: blur(8px);
  transition:
    opacity var(--transition-entrance),
    transform var(--transition-entrance),
    filter var(--transition-entrance);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

@keyframes sweep {
  0%,
  55% { transform: translateX(-130%) rotate(18deg); }
  75%,
  100% { transform: translateX(130%) rotate(18deg); }
}

@keyframes breathe {
  0%,
  100% { opacity: 0.55; transform: scale(1); }
  50% { opacity: 0.86; transform: scale(1.04); }
}

@keyframes drift {
  0%,
  100% { transform: translateY(-8px) rotate(-16deg); }
  50% { transform: translateY(14px) rotate(-13deg); }
}

@keyframes floatY {
  0%,
  100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@keyframes barRise {
  from { transform: scaleY(0.28); opacity: 0.45; }
  to { transform: scaleY(1); opacity: 1; }
}

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

@keyframes shimmer {
  from { transform: translateX(-110%); }
  to { transform: translateX(240%); }
}

@keyframes pulsePanel {
  0% { transform: scale(1); }
  45% { transform: scale(1.03); box-shadow: var(--shadow-cyan); }
  100% { transform: scale(1); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(24px) scale(0.97); filter: blur(8px); }
  to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

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

/* =========================
   Accessibility
========================= */
:focus-visible {
  outline: 2px solid var(--color-secondary-500);
  outline-offset: 3px;
  box-shadow: 0 0 0 6px rgb(93 101 230 / 16%);
}

button,
a,
input,
select,
textarea,
summary {
  -webkit-tap-highlight-color: transparent;
}

/* =========================
   Responsive
========================= */
@media (max-width: 1120px) {
  .hero-grid,
  .real-section {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    min-height: 460px;
  }

  .layout-grid,
  .color-grid,
  .gradient-grid,
  .cards-grid,
  .motion-grid,
  .practice-grid,
  .section-examples {
    grid-template-columns: repeat(2, 1fr);
  }

  .icon-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {
  .mobile-toggle {
    display: inline-grid;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    background: rgb(12 14 18 / 96%);
    box-shadow: var(--shadow-lg);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    justify-content: center;
  }

  .principle-grid,
  .analysis-panel,
  .form-grid,
  .feedback-grid {
    grid-template-columns: 1fr;
  }

  .alert-info,
  .toast-demo {
    grid-column: auto;
  }

  .component-title,
  .cta-section {
    align-items: flex-start;
    flex-direction: column;
  }

  .type-row {
    grid-template-columns: 1fr;
  }

  .type-row code {
    white-space: normal;
  }
}

@media (max-width: 640px) {
  :root {
    --space-section: 72px;
  }

  .container {
    width: min(100% - 24px, var(--container));
  }

  .hero {
    padding-top: calc(var(--header-height) + 42px);
  }

  .hero-actions,
  .button-lab {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .icon-button {
    flex: 0 0 auto;
  }

  .hero-metrics,
  .layout-grid,
  .color-grid,
  .gradient-grid,
  .cards-grid,
  .motion-grid,
  .practice-grid,
  .section-examples,
  .icon-grid,
  .opacity-strip {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    min-height: 420px;
  }

  .float-card {
    position: relative;
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    width: 100%;
    margin-top: var(--space-3);
  }

  .main-demo-card {
    width: 100%;
  }

  .demo-chart {
    height: 200px;
    gap: 8px;
    padding: var(--space-4);
  }

  .mini-product {
    min-height: 260px;
    grid-template-columns: 1fr;
  }

  .mini-product div:first-child,
  .mini-product div:last-child {
    grid-row: auto;
  }

  .modal {
    align-items: end;
    padding: 0;
  }

  .modal-panel {
    width: 100%;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }

  .toast {
    right: 12px;
    bottom: 12px;
    left: 12px;
  }
}