/* ==========================================================================
   Fonts — IRANYekanX (local, self-hosted)
   ========================================================================== */

@font-face {
  font-family: 'IRANYekanX';
  src: url('../fonts/IranYekan/IRANYekanX-Thin.ttf') format('truetype');
  font-weight: 100;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IRANYekanX';
  src: url('../fonts/IranYekan/IRANYekanX-UltraLight.ttf') format('truetype');
  font-weight: 200;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IRANYekanX';
  src: url('../fonts/IranYekan/IRANYekanX-Light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IRANYekanX';
  src: url('../fonts/IranYekan/IRANYekanX-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IRANYekanX';
  src: url('../fonts/IranYekan/IRANYekanX-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IRANYekanX';
  src: url('../fonts/IranYekan/IRANYekanX-DemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IRANYekanX';
  src: url('../fonts/IranYekan/IRANYekanX-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IRANYekanX';
  src: url('../fonts/IranYekan/IRANYekanX-ExtraBold.ttf') format('truetype');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IRANYekanX';
  src: url('../fonts/IranYekan/IRANYekanX-Black.ttf') format('truetype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================================
   Ordz — Design Tokens
   ========================================================================== */

:root {
  /* Light palette (default) */
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --surface-2: #F1F5F9;
  --text: #0F172A;
  --text-muted: #475569;
  --border: #E2E8F0;
  --brand: #0F172A;
  --on-brand: #FFFFFF;
  --accent: #0369A1;
  --accent-hover: #075985;
  --on-accent: #FFFFFF;
  --danger: #DC2626;
  --ring: #0369A1;
  --shadow-color: 15 23 42;

  --font-sans: 'IRANYekanX', system-ui, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --container-max: 1200px;
  --container-narrow: 760px;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  --shadow-sm: 0 1px 2px rgb(var(--shadow-color) / 0.06);
  --shadow-md: 0 4px 16px rgb(var(--shadow-color) / 0.08);
  --shadow-lg: 0 12px 32px rgb(var(--shadow-color) / 0.12);

  --duration: 200ms;
  --easing: cubic-bezier(0.16, 1, 0.3, 1);

  color-scheme: light dark;
}

/* Dark palette — system preference (unless explicitly overridden) */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0A0F1C;
    --surface: #111A2C;
    --surface-2: #16213A;
    --text: #F1F5F9;
    --text-muted: #94A3B8;
    --border: #223047;
    --brand: #E2E8F0;
    --on-brand: #0A0F1C;
    --accent: #38BDF8;
    --accent-hover: #7DD3FC;
    --on-accent: #08111F;
    --danger: #F87171;
    --ring: #38BDF8;
    --shadow-color: 0 0 0;
  }
}

/* Dark palette — explicit toggle wins in both directions */
:root[data-theme="dark"] {
  --bg: #0A0F1C;
  --surface: #111A2C;
  --surface-2: #16213A;
  --text: #F1F5F9;
  --text-muted: #94A3B8;
  --border: #223047;
  --brand: #E2E8F0;
  --on-brand: #0A0F1C;
  --accent: #38BDF8;
  --accent-hover: #7DD3FC;
  --on-accent: #08111F;
  --danger: #F87171;
  --ring: #38BDF8;
  --shadow-color: 0 0 0;
}

/* ==========================================================================
   Base
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--duration) var(--easing), color var(--duration) var(--easing);
}

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

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 var(--space-4);
  color: var(--text);
}

h1 { font-size: clamp(2rem, 1.5rem + 2.2vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 1.35rem + 1.2vw, 2.4rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 var(--space-4); color: var(--text-muted); }

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

ul { list-style: none; margin: 0; padding: 0; }

button { font-family: inherit; }

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container-narrow { max-width: var(--container-narrow); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  inset-inline-start: var(--space-4);
  top: -100px;
  background: var(--accent);
  color: var(--on-accent);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--duration) var(--easing);
}
.skip-link:focus { top: var(--space-4); }

:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.icon { width: 1.25em; height: 1.25em; flex-shrink: 0; }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--duration) var(--easing), border-color var(--duration) var(--easing), transform var(--duration) var(--easing), color var(--duration) var(--easing);
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-lg { padding: 0.85rem 1.75rem; font-size: 1rem; }
.btn-block { width: 100%; }

.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); }

.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

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

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background-color var(--duration) var(--easing), color var(--duration) var(--easing);
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }

/* ==========================================================================
   Promo bar
   ========================================================================== */

.promo-bar {
  background: var(--brand);
  color: var(--on-brand);
  border-bottom: 1px solid color-mix(in srgb, var(--on-brand) 15%, transparent);
}
.promo-bar-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-3);
  font-size: 0.9rem;
}
.promo-bar .icon { color: var(--accent); flex-shrink: 0; }
.promo-bar-text { flex: 1; margin: 0; color: var(--on-brand); }
.promo-bar-cta {
  color: var(--accent);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
  flex-shrink: 0;
  white-space: nowrap;
}
.promo-bar-dismiss {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  color: color-mix(in srgb, var(--on-brand) 70%, transparent);
}
.promo-bar-dismiss:hover { background: color-mix(in srgb, var(--on-brand) 12%, transparent); color: var(--on-brand); }
.promo-bar[hidden] { display: none; }

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  flex-shrink: 0;
}
.brand-mark { width: 1.75rem; height: 1.75rem; object-fit: contain; }

.main-nav { flex: 1; }
.main-nav ul { display: flex; gap: var(--space-6); justify-content: center; }
.main-nav a {
  color: var(--text-muted);
  font-weight: 500;
  padding: var(--space-2);
  transition: color var(--duration) var(--easing);
}
.main-nav a:hover { color: var(--text); }

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-muted);
}
.lang-switch select {
  appearance: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.75rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  min-height: 44px;
}

.theme-icon-dark { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-icon-light { display: none; }
  :root:not([data-theme="light"]) .theme-icon-dark { display: block; }
}
:root[data-theme="dark"] .theme-icon-light { display: none; }
:root[data-theme="dark"] .theme-icon-dark { display: block; }

.nav-toggle { display: none; }
.menu-icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .menu-icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .menu-icon-close { display: block; }

/* ==========================================================================
   Sections
   ========================================================================== */

section { padding-block: var(--space-24); }

.section-head { max-width: 640px; margin-inline: auto; text-align: center; margin-bottom: var(--space-12); }
.section-head p { font-size: 1.05rem; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.badge-accent { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); border-color: transparent; }

/* ---- Hero ---- */

.hero { padding-top: var(--space-16); }
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-16);
  align-items: center;
}
.hero-copy .lead { font-size: 1.15rem; }
.hero-cta { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-8); }
.hero-tags { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.hero-tags li {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
}

.hero-visual {
  position: relative;
  height: 360px;
  display: grid;
  place-items: center;
}
.hero-card {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  color: var(--accent);
}
.hero-card svg { width: 2rem; height: 2rem; }
.hero-card-1 { inset-inline-start: 6%; top: 10%; width: 220px; }
.hero-card-2 { inset-inline-end: 4%; top: 30%; }
.hero-card-3 { inset-inline-start: 20%; bottom: 6%; }
.hero-card-bars { display: flex; gap: var(--space-2); align-items: flex-end; height: 48px; margin-top: var(--space-4); }
.hero-card-bars span { width: 10px; border-radius: 4px; background: color-mix(in srgb, var(--accent) 30%, transparent); }
.hero-card-bars span:nth-child(1) { height: 40%; }
.hero-card-bars span:nth-child(2) { height: 70%; background: var(--accent); }
.hero-card-bars span:nth-child(3) { height: 55%; }
.hero-card-bars span:nth-child(4) { height: 90%; background: var(--accent); }

/* ---- Social proof (placeholder — swap in real logos/quote) ---- */

.social-proof { padding-block: var(--space-16); }
.social-proof-title {
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-8);
}
.logo-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.proof-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 64px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
}
.proof-logo .icon { width: 1.4rem; height: 1.4rem; }
.quote-card {
  max-width: var(--container-narrow);
  margin-inline: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
}
.quote-card .icon { width: 2rem; height: 2rem; color: var(--accent); margin-bottom: var(--space-4); }
.quote-card blockquote { margin: 0 0 var(--space-4); font-size: 1.1rem; color: var(--text); font-style: italic; }
.quote-card cite { color: var(--text-muted); font-size: 0.9rem; font-style: normal; }

/* ---- Problem ---- */

.problem { background: var(--surface); }
.problem-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.problem-points { display: flex; flex-direction: column; gap: var(--space-8); }
.problem-points h3 { margin-bottom: var(--space-2); }
.problem-points p { margin: 0; }

.solution-card {
  background: var(--brand);
  color: var(--on-brand);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.solution-card .icon { width: 2.25rem; height: 2.25rem; color: var(--accent); margin-bottom: var(--space-4); }
.solution-card h3 { color: var(--on-brand); }
.solution-card p { color: color-mix(in srgb, var(--on-brand) 75%, transparent); margin: 0; }

/* ---- Features ---- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: transform var(--duration) var(--easing), box-shadow var(--duration) var(--easing), border-color var(--duration) var(--easing);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: color-mix(in srgb, var(--accent) 30%, var(--border)); }
.feature-icon {
  width: 2.5rem; height: 2.5rem;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  margin-bottom: var(--space-4);
}
.feature-card p { margin: 0; }

/* ---- Platform ---- */

.platform { background: var(--surface); }
.platform-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.platform-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.platform-card-accent { background: var(--brand); border-color: var(--brand); }
.platform-card-accent h3, .platform-card-accent p { color: var(--on-brand); }
.platform-card-accent p { opacity: 0.75; }

.check-list { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-6); }
.check-list li { display: flex; align-items: flex-start; gap: var(--space-3); }
.check-list .icon { color: var(--accent); flex-shrink: 0; margin-top: 0.15em; width: 1.1em; height: 1.1em; }
.platform-card-accent .check-list .icon { color: var(--accent); }
.platform-card-accent .check-list span { color: var(--on-brand); }

/* ---- Roles ---- */

.roles-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.role-card {
  text-align: center;
  padding: var(--space-8) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
}
.role-icon {
  width: 2.75rem; height: 2.75rem;
  color: var(--accent);
  margin-bottom: var(--space-4);
}
.role-card p { margin: 0; font-size: 0.92rem; }

/* ---- How it works ---- */

.how-it-works { background: var(--surface); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.step-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: var(--space-4);
}
.step-card p { margin: 0; }

/* ---- Pricing ---- */

.pricing { background: var(--surface); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); align-items: stretch; }
.price-card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.price-card-featured {
  background: var(--brand);
  border-color: var(--brand);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}
.price-card-featured h3, .price-card-featured p, .price-card-featured span:not(.price-tag-accent) { color: var(--on-brand); }
.price-card-featured .check-list span { color: var(--on-brand); }
.price-tag {
  align-self: flex-start;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--surface-2);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  margin-bottom: var(--space-4);
}
.price-tag-accent { background: var(--accent); color: var(--on-accent); }
.price-card .check-list { flex: 1; margin-bottom: var(--space-8); }
.price-card .btn-outline { border-color: color-mix(in srgb, var(--on-brand, var(--border)) 30%, var(--border)); }

/* ---- FAQ ---- */

.faq-list { display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-6);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item .chevron { color: var(--text-muted); transition: transform var(--duration) var(--easing); flex-shrink: 0; }
.faq-item[open] .chevron { transform: rotate(180deg); }
.faq-item p { padding-bottom: var(--space-4); margin: 0; }

/* ---- Final CTA ---- */

.final-cta { background: var(--brand); color: var(--on-brand); }
.final-cta-inner { max-width: 640px; margin-inline: auto; text-align: center; }
.final-cta .icon { width: 2.5rem; height: 2.5rem; color: var(--accent); margin-bottom: var(--space-4); }
.final-cta h2 { color: var(--on-brand); }
.final-cta p { color: color-mix(in srgb, var(--on-brand) 75%, transparent); margin-bottom: var(--space-8); }

/* ---- Contact ---- */

.contact-form { display: flex; flex-direction: column; gap: var(--space-6); margin-top: var(--space-8); }
.form-row { display: flex; flex-direction: column; gap: var(--space-2); }
.form-row label { font-weight: 600; font-size: 0.9rem; }
.form-row input, .form-row textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color var(--duration) var(--easing);
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--accent); }
.form-row textarea { resize: vertical; min-height: 6rem; }
.form-status { padding: var(--space-4); border-radius: var(--radius-sm); font-size: 0.95rem; }
.form-status-success { background: var(--surface-2); color: var(--text); }
.form-status-error { background: color-mix(in srgb, var(--danger) 12%, var(--surface)); color: var(--danger); }
.form-status a { text-decoration: underline; }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer { border-top: 1px solid var(--border); background: var(--surface); padding-block: var(--space-16) var(--space-8); }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-12);
}
.footer-brand p { max-width: 32ch; }
.footer-col h4 { font-size: 0.95rem; margin-bottom: var(--space-4); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { color: var(--text-muted); display: inline-flex; align-items: center; gap: var(--space-2); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: var(--space-6); }
.footer-bottom p { margin: 0; font-size: 0.85rem; text-align: center; }
.lang-switch-footer select { width: 100%; }

/* ==========================================================================
   Scroll reveal
   ========================================================================== */

[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 500ms var(--easing), transform 500ms var(--easing); }
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .roles-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .logo-strip { grid-template-columns: repeat(3, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .price-card-featured { transform: none; order: -1; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: 1fr; }
  .promo-bar-inner { flex-wrap: wrap; }

  .main-nav {
    position: fixed;
    inset-inline: 0;
    top: 65px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    max-height: calc(100dvh - 65px);
    overflow-y: auto;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--duration) var(--easing), transform var(--duration) var(--easing), visibility var(--duration);
  }
  .main-nav.is-open { opacity: 1; transform: none; visibility: visible; pointer-events: auto; }
  .main-nav ul { flex-direction: column; gap: 0; padding: var(--space-4) var(--space-6) var(--space-8); }
  .main-nav a { display: block; padding: var(--space-3) 0; font-size: 1.05rem; }
  .nav-toggle { display: inline-flex; }
  .header-trial { display: none; }
}

@media (max-width: 640px) {
  section { padding-block: var(--space-16); }
  .feature-grid { grid-template-columns: 1fr; }
  .roles-grid { grid-template-columns: 1fr; }
  .logo-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .promo-bar-cta { white-space: normal; }
}