/* ModelFunction validation landing page — 2026-10 */
:root {
  --bg: #07070c;
  --bg-soft: #0b0b12;
  --surface: #101018;
  --surface-2: #151522;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f4f8;
  --muted: #a3a3b8;
  --faint: #707088;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --accent-3: #f472b6;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1120px;
  --nav-h: 64px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

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

::selection {
  background: rgba(124, 92, 255, 0.35);
  color: #fff;
}

:focus-visible {
  outline: 2px solid rgba(34, 211, 238, 0.8);
  outline-offset: 2px;
}

section[id] {
  scroll-margin-top: calc(var(--nav-h) + 16px);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  border-radius: 0 0 8px 0;
}

.skip-link:focus {
  left: 0;
}

.container {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(124, 92, 255, 0.18), transparent 60%),
    radial-gradient(700px 420px at 92% 0%, rgba(34, 211, 238, 0.1), transparent 60%),
    radial-gradient(800px 600px at 50% 100%, rgba(244, 114, 182, 0.06), transparent 60%);
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  height: var(--nav-h);
  border-bottom: 1px solid var(--border);
  background: rgba(7, 7, 12, 0.72);
  backdrop-filter: blur(16px) saturate(1.4);
}

.nav-inner {
  width: min(var(--max), calc(100% - 48px));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand svg {
  flex: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: 8px;
}

.nav-links a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease,
    box-shadow 0.18s ease, color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn-primary {
  background: linear-gradient(135deg, #7c5cff 0%, #5b8cff 55%, #22d3ee 130%);
  color: #fff;
  box-shadow: 0 10px 30px rgba(91, 140, 255, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 14px 36px rgba(91, 140, 255, 0.35);
  filter: brightness(1.05);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-strong);
  color: var(--text);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.28);
}

.btn-ghost {
  color: var(--muted);
  padding-inline: 12px;
}

.btn-ghost:hover {
  color: var(--text);
}

.btn-sm {
  padding: 9px 14px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 15px;
}

.btn-block {
  width: 100%;
}

/* ---------- hero ---------- */
.hero {
  padding: 92px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 56px;
  align-items: center;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid rgba(124, 92, 255, 0.35);
  border-radius: 999px;
  background: rgba(124, 92, 255, 0.09);
  color: #c9bbff;
  font-size: 12.5px;
  font-weight: 500;
}

.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-2);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.45);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(34, 211, 238, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 211, 238, 0);
  }
}

h1 {
  margin: 22px 0 0;
  font-size: clamp(2.5rem, 5.6vw, 4.25rem);
  font-weight: 760;
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.grad {
  background: linear-gradient(92deg, #a78bfa 0%, #22d3ee 60%, #67e8f9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  margin: 22px 0 0;
  max-width: 560px;
  color: var(--muted);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.chip {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.015);
  color: var(--faint);
  font-size: 12px;
}

.hero-visual {
  min-width: 0;
}

.code-window {
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  background: linear-gradient(180deg, #0c0c14, #09090f);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(124, 92, 255, 0.06) inset;
}

.code-top {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red {
  background: #ff5f57;
}

.dot.yellow {
  background: #febc2e;
}

.dot.green {
  background: #28c840;
}

.code-file {
  margin-left: auto;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 11.5px;
}

.code {
  margin: 0;
  padding: 20px;
  overflow-x: auto;
  color: #c9c9dd;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.75;
}

.code code {
  font-family: inherit;
}

.c-comment {
  color: #6b7280;
}

.c-key {
  color: #93c5fd;
}

.c-str {
  color: #86efac;
}

.c-num {
  color: #fbbf24;
}

.code-terminal {
  padding: 15px 20px;
  overflow-x: auto;
  border-top: 1px dashed var(--border);
  background: rgba(255, 255, 255, 0.015);
  color: #b9b9cf;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.95;
}

.prompt {
  margin-right: 6px;
  color: var(--accent-2);
}

.ok {
  margin-right: 6px;
  color: var(--success);
}

.dim {
  color: var(--faint);
}

/* ---------- compat ---------- */
.compat {
  padding: 22px 0;
  border-block: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.012);
}

.compat-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
}

.compat-label {
  color: var(--faint);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.compat-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.compat-list span {
  padding: 5px 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  font-size: 12.5px;
}

/* ---------- sections ---------- */
.section {
  padding: 96px 0;
}

.section-head {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

.kicker {
  display: inline-block;
  color: var(--accent-2);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h2 {
  margin: 12px 0 0;
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  font-weight: 720;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.section-sub {
  margin: 14px auto 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.014));
}

/* ---------- problems ---------- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.problem-card {
  padding: 26px 22px;
  animation: fadeUp 0.55s ease both;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.problem-card:nth-child(2) {
  animation-delay: 60ms;
}

.problem-card:nth-child(3) {
  animation-delay: 120ms;
}

.problem-card:nth-child(4) {
  animation-delay: 180ms;
}

.problem-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 92, 255, 0.35);
  background: linear-gradient(180deg, rgba(124, 92, 255, 0.08), rgba(255, 255, 255, 0.015));
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.problem-card .icon,
.feature-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border: 1px solid rgba(124, 92, 255, 0.22);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.22), rgba(34, 211, 238, 0.1));
  color: #c4b5fd;
}

.problem-card .icon svg,
.feature-icon svg {
  width: 22px;
  height: 22px;
}

.problem-card h3,
.feature h3,
.step h3 {
  margin: 0 0 8px;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.problem-card p,
.feature p,
.step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.step {
  padding: 28px 24px;
}

.step-num {
  display: block;
  margin-bottom: 18px;
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.mini-code {
  margin: 16px 0 0;
  padding: 14px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #09090f;
  color: #b9b9cf;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.8;
}

/* ---------- features ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature {
  padding: 24px;
}

.feature-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
}

/* ---------- compare ---------- */
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.015);
}

.compare {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 14px;
}

.compare th,
.compare td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

.compare tr:last-child td {
  border-bottom: none;
}

.compare th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.compare td {
  color: var(--muted);
}

.compare td:first-child {
  color: var(--text);
  font-weight: 500;
}

.compare .yes {
  color: var(--success);
}

.compare .no {
  color: var(--faint);
}

.compare .partial {
  color: var(--warning);
}

.compare .highlight {
  background: rgba(124, 92, 255, 0.07);
  color: var(--text);
}

.compare th.highlight {
  color: #c4b5fd;
}

.disclaimer {
  margin: 14px 0 0;
  color: var(--faint);
  font-size: 12px;
  text-align: center;
}

/* ---------- pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: stretch;
}

.price-card {
  display: flex;
  flex-direction: column;
  padding: 28px 24px;
}

.price-card.featured {
  border-color: rgba(124, 92, 255, 0.5);
  background: linear-gradient(180deg, rgba(124, 92, 255, 0.1), rgba(255, 255, 255, 0.02));
  box-shadow: 0 0 50px rgba(124, 92, 255, 0.12);
}

.plan {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.badge {
  padding: 3px 7px;
  border: 1px solid rgba(124, 92, 255, 0.3);
  border-radius: 999px;
  background: rgba(124, 92, 255, 0.16);
  color: #c4b5fd;
  font-size: 10.5px;
  font-weight: 600;
}

.price {
  margin: 14px 0 4px;
  font-size: 40px;
  font-weight: 750;
  letter-spacing: -0.03em;
}

.price small {
  color: var(--faint);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0;
}

.plan-desc {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.6;
}

.price-features {
  display: grid;
  gap: 9px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.price-features li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
  font-size: 13.5px;
}

.price-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.price-card .btn {
  margin-top: auto;
}

.price-note {
  margin: 22px 0 0;
  color: var(--faint);
  font-size: 12.5px;
  text-align: center;
}

/* ---------- faq ---------- */
.faq {
  max-width: 820px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.faq details {
  padding: 18px 4px;
  border-bottom: 1px solid var(--border);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  list-style: none;
}

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

.faq summary::after {
  content: "+";
  color: var(--accent-2);
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  transition: transform 0.2s;
}

.faq details[open] summary::after {
  content: "−";
}

.faq details p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- cta / form ---------- */
.cta-card {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 48px;
  padding: 48px;
  border: 1px solid rgba(124, 92, 255, 0.26);
  border-radius: 26px;
  background:
    radial-gradient(900px 420px at 0% 0%, rgba(124, 92, 255, 0.16), transparent 60%),
    radial-gradient(700px 360px at 100% 100%, rgba(34, 211, 238, 0.09), transparent 60%),
    var(--surface);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.45);
}

.cta-copy h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
}

.cta-list {
  display: grid;
  gap: 11px;
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.cta-list li {
  position: relative;
  padding-left: 26px;
  color: var(--muted);
  font-size: 14px;
}

.cta-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
}

.cta-contact {
  color: var(--faint);
  font-size: 13px;
}

.cta-contact a {
  color: var(--accent-2);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 14px;
}

.field {
  min-width: 0;
  margin: 0 0 16px;
  padding: 0;
  border: 0;
}

.field > label,
.field > legend {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12.5px;
}

input[type="text"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.28);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s, background 0.18s;
}

input::placeholder {
  color: var(--faint);
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(124, 92, 255, 0.7);
  background: rgba(0, 0, 0, 0.36);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.15);
}

select {
  appearance: none;
  padding-right: 34px;
  background-image: linear-gradient(45deg, transparent 50%, var(--faint) 50%),
    linear-gradient(135deg, var(--faint) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

select option {
  background: #14141f;
  color: var(--text);
}

.checks,
.radios {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  font-size: 12.5px;
  cursor: pointer;
  transition: border-color 0.18s, background 0.18s, color 0.18s;
}

.check:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.check:has(input:checked) {
  border-color: rgba(124, 92, 255, 0.6);
  background: rgba(124, 92, 255, 0.12);
  color: var(--text);
}

.check input {
  flex: none;
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--accent);
}

.hint {
  margin: 7px 0 0;
  color: var(--faint);
  font-size: 11.5px;
}

.interview-check {
  width: 100%;
  justify-content: flex-start;
  margin: 2px 0 16px;
  padding: 11px 13px;
  border-radius: 12px;
}

.form-note {
  margin: 10px 0 0;
  color: var(--faint);
  font-size: 11.5px;
  line-height: 1.6;
}

.form-error {
  min-height: 18px;
  margin: 8px 0 0;
  color: var(--danger);
  font-size: 12.5px;
}

.success {
  padding: 28px 22px;
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: 16px;
  background: rgba(52, 211, 153, 0.06);
  text-align: center;
}

.success-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  border: 1px solid rgba(52, 211, 153, 0.35);
  border-radius: 50%;
  background: rgba(52, 211, 153, 0.16);
  color: var(--success);
  font-size: 22px;
  font-weight: 700;
}

.success h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.success p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- footer ---------- */
.footer {
  margin-top: 40px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.footer-brand strong {
  color: var(--text);
  font-weight: 600;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--faint);
  font-size: 12.5px;
}

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

/* ---------- misc ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 100;
  padding: 11px 18px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: #15151f;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  color: var(--text);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 20px);
  transition: opacity 0.2s, transform 0.2s;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.variant-switcher {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 120;
  display: flex;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: rgba(16, 16, 24, 0.92);
  backdrop-filter: blur(10px);
  font-size: 12px;
}

.variant-switcher a {
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--muted);
}

.variant-switcher a.active {
  background: rgba(124, 92, 255, 0.22);
  color: #d8ccff;
}

.noscript {
  padding: 12px 18px;
  border-bottom: 1px solid rgba(251, 191, 36, 0.3);
  background: rgba(251, 191, 36, 0.1);
  color: #fde68a;
  font-size: 13px;
  text-align: center;
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero {
    padding: 72px 0 48px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-visual {
    max-width: 680px;
  }

  .problem-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-card {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 36px;
  }
}

@media (max-width: 720px) {
  .container,
  .nav-inner {
    width: calc(100% - 32px);
  }

  .nav-links,
  .nav-actions .btn-ghost {
    display: none;
  }

  .section {
    padding: 72px 0;
  }

  .problem-grid,
  .features-grid,
  .steps,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-actions .btn {
    width: 100%;
  }

  .code {
    padding: 16px;
    font-size: 11.5px;
  }

  .code-terminal {
    padding: 13px 16px;
    font-size: 11px;
  }

  .cta-card {
    padding: 26px 20px;
    border-radius: 20px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .compare {
    min-width: 680px;
  }

  .section-head {
    margin-bottom: 36px;
  }

  h1 {
    font-size: clamp(2.2rem, 10vw, 3.2rem);
  }
}

@media (max-width: 480px) {
  .hero-meta {
    gap: 6px;
  }

  .chip {
    font-size: 11px;
  }

  .eyebrow {
    font-size: 11.5px;
  }

  .price {
    font-size: 34px;
  }

  .check {
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .problem-card {
    animation: none;
  }
}