/* =========================================================
   TV Atlas Pro — Core Stylesheet
   Mobile-first. Breakpoint overrides live in responsive.css
   ========================================================= */

/* ---- Design tokens ---- */
:root {
  /* Colors — official TV Atlas Pro palette (black/deep purple/silver/gold) */
  --color-bg: #0b0718;
  --color-bg-alt: #0e0920;
  --color-surface: #150c29;
  --color-surface-2: #1d1338;
  --color-border: #2a1a48;
  --color-border-strong: #3d2768;

  --color-purple-900: #2e1065;
  --color-purple-700: #5b21b6;
  --color-purple-600: #6d28d9;
  --color-purple-500: #8b5cf6;
  --color-purple-400: #a78bfa;
  --color-purple-300: #c4b5fd;
  --color-purple-600-rgb: 109, 40, 217;

  --color-silver: #c9c9d4;
  --color-silver-light: #e7e6ed;
  --color-white: #f5f5f5;
  --color-text: var(--color-white);
  --color-text-muted: #a8a4b3;
  --color-text-faint: #726d82;

  --color-gold: #d4a817;
  --color-gold-dark: #b38e14;
  --color-gold-rgb: 212, 168, 23;

  --color-success: #34d399;

  --gradient-primary: linear-gradient(135deg, var(--color-purple-700), var(--color-purple-500));
  --gradient-gold: linear-gradient(135deg, #e8c34a 0%, var(--color-gold) 55%, var(--color-gold-dark) 100%);
  --gradient-glow: radial-gradient(60% 60% at 50% 0%, rgba(var(--color-purple-600-rgb), 0.28), transparent 70%);

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 6rem;

  /* Type */
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-size-base: 1rem;
  --line-height-base: 1.6;

  /* Layout */
  --container-width: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;

  --shadow-card: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 0 1px rgba(var(--color-purple-600-rgb), 0.25), 0 20px 50px -15px rgba(var(--color-purple-600-rgb), 0.35);

  --transition-fast: 160ms ease;
  --transition-base: 240ms ease;

  --nav-height: 72px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

[hidden] {
  display: none !important;
}

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

ul,
ol {
  list-style: none;
}

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

button {
  background: none;
  border: none;
  cursor: pointer;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

@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;
    scroll-behavior: auto !important;
  }
}

/* ---- Layout utilities ---- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section {
  padding-block: var(--space-10);
}

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

.section-header {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: var(--space-8);
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-purple-300);
  margin-bottom: var(--space-3);
}

.section-header h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: var(--space-3);
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-purple-600);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-3);
}

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

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(var(--color-purple-600-rgb), 0.4), 0 26px 55px -15px rgba(var(--color-purple-600-rgb), 0.55);
}

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

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--color-purple-400);
  color: var(--color-purple-300);
}

.btn-gold {
  background: var(--gradient-gold);
  color: #201604;
  box-shadow: 0 12px 30px -12px rgba(var(--color-gold-rgb), 0.55);
}

.btn-gold:hover,
.btn-gold:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(var(--color-gold-rgb), 0.4), 0 22px 45px -14px rgba(var(--color-gold-rgb), 0.6);
}

.btn-sm {
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-purple-400);
  outline-offset: 3px;
}

/* ---- Navbar ---- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base);
}

/* Blur lives on a pseudo-element, not on .navbar itself — backdrop-filter on
   .navbar would make it the containing block for its position:fixed mobile
   menu child, collapsing that panel instead of letting it cover the viewport. */
.navbar::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(8, 6, 12, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background var(--transition-base);
}

.navbar.is-scrolled {
  border-bottom-color: var(--color-border);
}

.navbar.is-scrolled::before {
  background: rgba(8, 6, 12, 0.92);
}

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

.navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.navbar__logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.navbar__links {
  position: fixed;
  inset: var(--nav-height) 0 0 0;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-5);
  padding-block: var(--space-8);
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
}

.navbar__links.is-open {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.navbar__links a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-silver-light);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.navbar__links a:hover {
  color: var(--color-purple-300);
}

.navbar__links a[aria-current="page"] {
  color: var(--color-white);
  background: rgba(var(--color-purple-600-rgb), 0.22);
}

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

.navbar__icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  color: var(--color-silver-light);
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.navbar__icon-btn svg {
  width: 18px;
  height: 18px;
}

.navbar__icon-btn:hover,
.navbar__icon-btn:focus-visible {
  border-color: var(--color-purple-400);
  color: var(--color-purple-300);
  background: rgba(var(--color-purple-600-rgb), 0.12);
}

.navbar__cta {
  display: none;
}

.hamburger {
  position: relative;
  width: 32px;
  height: 24px;
  z-index: 110;
}

.hamburger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 11px; }
.hamburger span:nth-child(3) { top: 22px; }

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(11px) rotate(45deg);
}
.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-11px) rotate(-45deg);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  padding-block: var(--space-10) var(--space-10);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--color-silver);
  margin-bottom: var(--space-5);
}

.hero__badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-success);
}

.hero h1 {
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  margin-bottom: var(--space-5);
}

.hero h1 span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lede {
  max-width: 620px;
  margin-inline: auto;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-bottom: var(--space-6);
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-8);
}

.hero__actions .btn {
  width: 100%;
  max-width: 320px;
}

.hero__note {
  font-size: 0.85rem;
  color: var(--color-text-faint);
}

.hero__visual {
  position: relative;
  margin-top: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--color-surface), var(--color-bg-alt));
  padding: var(--space-8) var(--space-5);
  box-shadow: var(--shadow-card);
}

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

.hero__stat {
  text-align: left;
}

.hero__stat strong {
  display: block;
  font-size: 1.3rem;
  color: var(--color-purple-300);
}

.hero__stat span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---- Trust bar ---- */
.trust-bar {
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.trust-bar__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
  color: var(--color-text-faint);
  font-size: 0.85rem;
  text-align: center;
}

.trust-bar__inner strong {
  color: var(--color-silver-light);
  font-weight: 600;
}

/* ---- Steps / How it works ---- */
.steps {
  display: grid;
  gap: var(--space-5);
}

.step-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.step-card__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.step-card h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-2);
}

.step-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ---- Feature / device cards ---- */
.card-grid {
  display: grid;
  gap: var(--space-5);
}

.feature-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-purple-600);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-purple-300);
}

.feature-card h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-2);
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* ---- Pricing teaser ---- */
.pricing-grid {
  display: grid;
  gap: var(--space-5);
}

.pricing-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.pricing-card--featured {
  border-color: var(--color-purple-500);
  background: linear-gradient(180deg, var(--color-surface-2), var(--color-surface));
  box-shadow: var(--shadow-glow);
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-primary);
  padding: 0.3rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.pricing-card h3 {
  font-size: 1.2rem;
}

.pricing-card__price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-white);
}

.pricing-card__price span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.pricing-card__unit {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: -0.75rem;
}

.pricing-card__placeholder {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-muted);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  text-align: center;
}

.pricing-card ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 0.92rem;
  color: var(--color-text-muted);
}

.pricing-card ul li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.pricing-card ul li::before {
  content: "";
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 0.5em;
  border-radius: 50%;
  background: var(--color-purple-400);
}

/* ---- Testimonials ---- */
.testimonials {
  display: grid;
  gap: var(--space-5);
}

.testimonial-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.testimonial-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-purple-300);
  background: rgba(var(--color-purple-600-rgb), 0.12);
  border: 1px solid rgba(var(--color-purple-600-rgb), 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.testimonial-card__quote {
  color: var(--color-silver-light);
  font-size: 0.98rem;
  margin-bottom: var(--space-5);
}

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

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.testimonial-card__author strong {
  display: block;
  font-size: 0.92rem;
}

.testimonial-card__author span {
  font-size: 0.8rem;
  color: var(--color-text-faint);
}

/* ---- CTA band ---- */
.cta-band {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-5);
  text-align: center;
  background: linear-gradient(135deg, var(--color-purple-900), var(--color-bg-alt));
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
}

.cta-band__inner {
  position: relative;
}

.cta-band h2 {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  margin-bottom: var(--space-3);
}

.cta-band p {
  color: var(--color-text-muted);
  max-width: 480px;
  margin-inline: auto var(--space-6);
  margin-bottom: var(--space-6);
}

/* ---- FAQ teaser / accordion (shared with faq.html) ---- */
.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}

.accordion-item + .accordion-item {
  margin-top: var(--space-3);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5);
  text-align: left;
  font-weight: 600;
  font-size: 0.98rem;
}

.accordion-trigger .icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  position: relative;
}

.accordion-trigger .icon::before,
.accordion-trigger .icon::after {
  content: "";
  position: absolute;
  background: var(--color-purple-300);
  transition: transform var(--transition-base);
}

.accordion-trigger .icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.accordion-trigger .icon::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

.accordion-item.is-open .accordion-trigger .icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base) ease;
}

.accordion-panel__inner {
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.faq-list {
  max-width: 760px;
  margin-inline: auto;
}

.faq-more {
  text-align: center;
  margin-top: var(--space-8);
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-10) var(--space-6);
  background: var(--color-bg-alt);
}

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

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.footer__logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.footer__about p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  max-width: 320px;
}

.footer__heading {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-silver);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-purple-300);
}

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-faint);
}

.footer__legal-links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

/* ---- Scroll reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

/* ---- Breadcrumb ---- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding-block: var(--space-5);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-purple-300);
}

.breadcrumb__sep {
  color: var(--color-text-faint);
}

.breadcrumb [aria-current="page"] {
  color: var(--color-silver-light);
  font-weight: 600;
}

/* ---- Page header (non-hero interior pages) ---- */
.page-header {
  padding-block: var(--space-6) var(--space-8);
  text-align: center;
}

.page-header h1 {
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  margin-bottom: var(--space-3);
}

.page-header p {
  color: var(--color-text-muted);
  max-width: 620px;
  margin-inline: auto;
}

/* ---- Product hero ---- */
.product-hero {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-6) var(--space-10);
}

.product-hero__panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-card);
}

.product-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-full);
  background: rgba(var(--color-purple-600-rgb), 0.16);
  border: 1px solid rgba(var(--color-purple-600-rgb), 0.35);
  color: var(--color-purple-300);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.product-hero h1 {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  margin-bottom: var(--space-2);
}

.product-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-6);
}

.product-hero__meta strong {
  color: var(--color-silver-light);
}

.product-hero__price {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-1);
}

.product-hero__price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.product-hero__note {
  font-size: 0.82rem;
  color: var(--color-text-faint);
  margin-bottom: var(--space-6);
}

.product-hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  color: var(--color-silver-light);
  font-size: 0.95rem;
}

.feature-list li::before {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 0.45em;
  border-radius: 50%;
  background: var(--gradient-primary);
}

.info-card {
  display: flex;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.info-card__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--color-gold-rgb), 0.14);
  color: var(--color-gold);
}

.info-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.info-card strong {
  display: block;
  color: var(--color-silver-light);
  margin-bottom: var(--space-1);
}

.prose {
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

.prose + .prose {
  margin-top: var(--space-4);
}

.prose h2 {
  color: var(--color-white);
  font-size: 1.3rem;
  margin-block: var(--space-6) var(--space-3);
}

/* ---- Forms (checkout) ---- */
.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-silver);
}

.field input,
.field select {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  color: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.field input:focus-visible,
.field select:focus-visible,
.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--color-purple-600);
  box-shadow: 0 0 0 3px rgba(var(--color-purple-600-rgb), 0.25);
}

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

.form-grid {
  display: grid;
  gap: var(--space-5);
}

.form-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.form-section + .form-section {
  margin-top: var(--space-5);
}

.form-section h2 {
  font-size: 1.1rem;
  margin-bottom: var(--space-5);
}

/* ---- Payment method options ---- */
.payment-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.payment-option {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.payment-option:hover {
  border-color: var(--color-border-strong);
}

.payment-option.is-selected {
  border-color: var(--color-purple-600);
  background: rgba(var(--color-purple-600-rgb), 0.08);
}

.payment-option input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-purple-600);
  flex-shrink: 0;
}

.payment-option__label {
  display: flex;
  flex-direction: column;
}

.payment-option__label strong {
  color: var(--color-silver-light);
  font-size: 0.95rem;
}

.payment-option__label span {
  font-size: 0.82rem;
  color: var(--color-text-faint);
}

/* ---- Order summary ---- */
.order-summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: sticky;
  top: calc(var(--nav-height) + var(--space-5));
}

.order-summary h2 {
  font-size: 1.1rem;
  margin-bottom: var(--space-5);
}

.order-summary__row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: 0.6rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.order-summary__row strong {
  color: var(--color-silver-light);
  font-weight: 600;
}

.order-summary__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: var(--space-5);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-white);
}

.order-summary__empty {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.order-summary--static {
  position: static;
}

/* ---- Comparison table ---- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 480px;
}

.pricing-table th,
.pricing-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--color-border);
}

.pricing-table thead th {
  background: var(--color-surface-2);
  color: var(--color-silver);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pricing-table tbody tr:last-child th,
.pricing-table tbody tr:last-child td {
  border-bottom: none;
}

.pricing-table tbody td {
  color: var(--color-text-muted);
}

.pricing-table tbody td:first-child {
  color: var(--color-silver-light);
  font-weight: 600;
}

.pricing-table__highlight td {
  background: rgba(var(--color-purple-600-rgb), 0.1);
  color: var(--color-white) !important;
}

.footnote {
  font-size: 0.8rem;
  color: var(--color-text-faint);
  margin-top: var(--space-4);
}

.checkout-grid {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

/* ---- Order confirmation ---- */
.confirmation {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.confirmation__icon {
  width: 64px;
  height: 64px;
  margin-inline: auto var(--space-5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--color-gold-rgb), 0.14);
  color: var(--color-gold);
}

.confirmation__badge {
  display: inline-block;
  background: rgba(var(--color-purple-600-rgb), 0.16);
  border: 1px solid rgba(var(--color-purple-600-rgb), 0.35);
  color: var(--color-purple-300);
  border-radius: var(--radius-full);
  padding: 0.3rem 1rem;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.confirmation h1 {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  margin-bottom: var(--space-3);
}

.confirmation__lede {
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.confirmation .order-summary {
  text-align: left;
  position: static;
  margin-bottom: var(--space-6);
}

.confirmation__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
}

/* ---- Blog: category navigation ---- */
.category-nav {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: var(--space-2);
}

.category-nav::-webkit-scrollbar {
  display: none;
}

.category-nav__btn {
  flex-shrink: 0;
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-strong);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.category-nav__btn:hover {
  border-color: var(--color-purple-400);
  color: var(--color-purple-300);
}

.category-nav__btn[aria-pressed="true"] {
  background: var(--gradient-primary);
  border-color: transparent;
  color: var(--color-white);
}

/* ---- Blog: article cards ---- */
.article-grid {
  display: grid;
  gap: var(--space-5);
}

.article-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-purple-600);
}

.article-card__media {
  aspect-ratio: 16 / 9;
  background: linear-gradient(160deg, var(--color-surface-2), var(--color-bg-alt));
}

.article-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.article-card__category {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-purple-300);
  background: rgba(var(--color-purple-600-rgb), 0.12);
  border: 1px solid rgba(var(--color-purple-600-rgb), 0.3);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.article-card h3 {
  font-size: 1.1rem;
  line-height: 1.3;
}

.article-card h3 a {
  color: var(--color-white);
}

.article-card h3 a:hover {
  color: var(--color-purple-300);
}

.article-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  flex: 1;
}

.article-meta {
  display: flex;
  gap: var(--space-3);
  font-size: 0.8rem;
  color: var(--color-text-faint);
}

/* ---- Blog: featured article ---- */
.featured-article {
  display: grid;
  gap: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-purple-600);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}

.featured-article__media {
  aspect-ratio: 16 / 9;
  background: linear-gradient(160deg, var(--color-surface-2), var(--color-bg-alt));
}

.featured-article__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-article__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.featured-article__label {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.featured-article h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
}

.featured-article h2 a {
  color: var(--color-white);
}

.featured-article h2 a:hover {
  color: var(--color-purple-300);
}

.featured-article p {
  color: var(--color-text-muted);
}

/* ---- Blog: article page typography ---- */
.article-header {
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
  padding-block: var(--space-6) var(--space-8);
}

.article-header h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.4rem);
  margin-block: var(--space-4) var(--space-3);
}

.article-header .article-meta {
  justify-content: center;
}

.article-cover {
  max-width: 900px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.article-cover img {
  width: 100%;
  display: block;
}

.article-body {
  max-width: 720px;
  margin-inline: auto;
  color: var(--color-silver-light);
  font-size: 1.02rem;
  line-height: 1.75;
}

.article-body h2 {
  color: var(--color-white);
  font-size: 1.4rem;
  margin-block: var(--space-8) var(--space-4);
}

.article-body h3 {
  color: var(--color-white);
  font-size: 1.15rem;
  margin-block: var(--space-6) var(--space-3);
}

.article-body p {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

.article-body ul,
.article-body ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-5);
  color: var(--color-text-muted);
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin-bottom: var(--space-2);
}

.article-body li::marker {
  color: var(--color-purple-400);
}

.article-body a {
  color: var(--color-purple-300);
  text-decoration: underline;
  text-decoration-color: rgba(var(--color-purple-600-rgb), 0.5);
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: var(--color-white);
}

.article-callout {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-gold);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
}

.article-callout p {
  margin-bottom: 0;
  color: var(--color-silver-light);
  font-size: 0.95rem;
}

.article-callout strong {
  color: var(--color-gold);
}

.article-cta {
  max-width: 720px;
  margin-inline: auto;
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.related-articles {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-10);
  padding-top: var(--space-10);
}