/* ═══════════════════════════════════════════
   Deveras Scanner — Landing Page Styles
   Dark-first · Swiss/Scandi minimalism
   ═══════════════════════════════════════════ */

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

/* ─── Custom Properties ─── */
:root {
  /* Core palette */
  --black: #0a0a0a;
  --white: #fafafa;
  --gold: #c9a84c;
  --gold-light: #d4b86a;
  --gold-dark: #b8963a;
  --gold-bg: rgba(201, 168, 76, 0.08);
  --gold-border: rgba(201, 168, 76, 0.2);
  --gold-glow: rgba(201, 168, 76, 0.15);

  /* Semantic - dark default */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #141414;
  --bg-card: #161616;
  --bg-card-hover: #1a1a1a;
  --bg-elevated: #1e1e1e;
  --bg-nav: rgba(10, 10, 10, 0.88);

  --text-primary: #f0f0f0;
  --text-secondary: #a0a0a0;
  --text-muted: #606060;

  --border-primary: rgba(255, 255, 255, 0.08);
  --border-secondary: rgba(255, 255, 255, 0.04);
  --border-hover: rgba(201, 168, 76, 0.3);

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-gold: 0 0 40px rgba(201, 168, 76, 0.08);

  /* Fonts */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  /* Spacing */
  --max-w: 1100px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --ease: 0.25s ease;
  --ease-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── Light Mode ─── */
[data-theme="light"] {
  --bg-primary: #fafafa;
  --bg-secondary: #f5f5f5;
  --bg-tertiary: #f0f0f0;
  --bg-card: #ffffff;
  --bg-card-hover: #fafafa;
  --bg-elevated: #ffffff;
  --bg-nav: rgba(250, 250, 250, 0.92);

  --text-primary: #1a1a1a;
  --text-secondary: #666666;
  --text-muted: #999999;

  --border-primary: rgba(0, 0, 0, 0.08);
  --border-secondary: rgba(0, 0, 0, 0.04);
  --border-hover: rgba(201, 168, 76, 0.4);

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.1);
  --shadow-gold: 0 0 40px rgba(201, 168, 76, 0.06);
}

/* ─── Base ─── */
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ─── Typography ─── */
.section-label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   Navigation
   ═══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-secondary);
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text-primary);
}

.nav__logo-mark {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gold);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
}

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

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--ease);
}

.nav__link:hover { color: var(--text-primary); }

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  transition: color var(--ease);
}

.theme-toggle:hover { color: var(--gold); }

.icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* ═══════════════════════════════════════════
   Hero
   ═══════════════════════════════════════════ */
.hero {
  position: relative;
  padding: calc(64px + var(--space-2xl)) 0 var(--space-xl);
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border-secondary) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-secondary) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
}

.hero__glow {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, var(--gold-glow) 0%, transparent 70%);
  opacity: 0.5;
  filter: blur(60px);
}

.hero__content {
  position: relative;
  text-align: center;
  max-width: 740px;
  margin: 0 auto;
}

.hero__badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--gold);
  border: 1px solid var(--gold-border);
  border-radius: 100px;
  background: var(--gold-bg);
  margin-bottom: var(--space-md);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.hero__title-em {
  font-style: italic;
  color: var(--gold);
  display: block;
  margin-top: 0.15em;
}

.hero__subtitle {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ─── Scanner Input ─── */
.scanner {
  max-width: 560px;
  margin: 0 auto;
}

.scanner__input-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 0.375rem;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.scanner__input-wrap:focus-within {
  border-color: var(--gold-border);
  box-shadow: var(--shadow-gold);
}

.scanner__icon {
  display: flex;
  padding: 0 0.75rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.scanner__input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--text-primary);
  padding: 0.75rem 0;
  min-width: 0;
}

.scanner__input::placeholder {
  color: var(--text-muted);
}

.scanner__btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--gold);
  color: var(--black);
  border: none;
  border-radius: calc(var(--radius-lg) - 2px);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ease);
  white-space: nowrap;
  flex-shrink: 0;
}

.scanner__btn:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

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

.scanner__btn-arrow {
  transition: transform var(--ease);
}

.scanner__btn:hover .scanner__btn-arrow {
  transform: translateX(3px);
}

.scanner__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--space-sm);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.scanner__meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.scanner__meta-sep { opacity: 0.4; }

/* ─── Scan Results ─── */
.results {
  margin-top: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-md);
  text-align: left;
  animation: fadeUp 0.5s var(--ease-slow);
}

.results__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-primary);
}

.results__score-ring {
  position: relative;
  width: 100px;
  height: 100px;
  flex-shrink: 0;
}

.results__ring-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.results__ring-bg {
  fill: none;
  stroke: var(--border-primary);
  stroke-width: 8;
}

.results__ring-fill {
  fill: none;
  stroke: var(--gold);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 326.73;
  stroke-dashoffset: 326.73;
  transition: stroke-dashoffset 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.results__score-value {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.results__score-num {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  color: var(--gold);
}

.results__score-max {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.results__url {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.results__verdict {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.results__categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.results__cat {
  padding: var(--space-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-secondary);
}

.results__cat-name {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.results__cat-score {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-primary);
}

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

.results__cta {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-primary);
}

.results__cta p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

/* ═══════════════════════════════════════════
   Social Proof / Stats
   ═══════════════════════════════════════════ */
.proof {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--border-secondary);
  border-bottom: 1px solid var(--border-secondary);
}

.proof__stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.proof__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.proof__stat-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--gold);
  line-height: 1;
}

.proof__stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.proof__stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border-primary);
}

/* ═══════════════════════════════════════════
   Categories
   ═══════════════════════════════════════════ */
.categories {
  padding: var(--space-2xl) 0 var(--space-xl);
}

.categories__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.category-card {
  padding: var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  transition: all var(--ease);
}

.category-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.category-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--gold-bg);
  color: var(--gold);
  margin-bottom: var(--space-sm);
}

.category-card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.category-card__desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-sm);
}

.category-card__checks {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.04em;
}

/* ═══════════════════════════════════════════
   Steps
   ═══════════════════════════════════════════ */
.steps {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.steps__grid {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: var(--space-lg);
}

.step {
  flex: 1;
  text-align: center;
  padding: 0 var(--space-md);
}

.step__num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--gold);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.step__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.step__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.step__connector {
  width: 60px;
  height: 1px;
  background: var(--border-primary);
  margin-top: 2.2rem;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   Pricing
   ═══════════════════════════════════════════ */
.pricing {
  padding: var(--space-2xl) 0;
  background: var(--bg-secondary);
}

.pricing .section-title,
.pricing .section-desc {
  text-align: center;
}

.pricing .section-label {
  display: block;
  text-align: center;
}

.pricing .section-desc {
  margin: 0 auto var(--space-lg);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  align-items: start;
}

.pricing-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  transition: all var(--ease);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pricing-card--featured {
  border-color: var(--gold-border);
  box-shadow: var(--shadow-gold);
}

.pricing-card--featured:hover {
  box-shadow: var(--shadow-gold), var(--shadow-md);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--black);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 1rem;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-card__header {
  margin-bottom: var(--space-md);
}

.pricing-card__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.pricing-card__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.pricing-card__price {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-primary);
}

.pricing-card__amount {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--text-primary);
  line-height: 1;
}

.pricing-card__period {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-left: 0.25rem;
}

.pricing-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: var(--space-md);
  flex: 1;
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.pricing-card__features svg {
  color: var(--gold);
  flex-shrink: 0;
}

.pricing-card__btn {
  display: block;
  text-align: center;
  padding: 0.875rem var(--space-md);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--ease);
  cursor: pointer;
}

.pricing-card__btn--primary {
  background: var(--gold);
  color: var(--black);
}

.pricing-card__btn--primary:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

.pricing-card__btn--secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
}

.pricing-card__btn--secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

/* ─── Shared button ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--ease);
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--gold);
  color: var(--black);
}

.btn--primary:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
}

/* ═══════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════ */
.faq {
  padding: var(--space-xl) 0 var(--space-2xl);
}

.faq .section-label,
.faq .section-title {
  text-align: center;
}

.faq__grid {
  max-width: 700px;
  margin: var(--space-lg) auto 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.faq__item {
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--ease);
}

.faq__item[open] {
  border-color: var(--border-hover);
}

.faq__question {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--ease);
}

.faq__question::-webkit-details-marker { display: none; }

.faq__question::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--gold);
  transition: transform var(--ease);
}

.faq__item[open] .faq__question::after {
  transform: rotate(45deg);
}

.faq__answer {
  padding: 0 var(--space-md) var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════ */
.footer {
  padding: var(--space-lg) 0 var(--space-md);
  border-top: 1px solid var(--border-secondary);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-secondary);
  margin-bottom: var(--space-md);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text-primary);
}

.footer__tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.footer__links {
  display: flex;
  gap: var(--space-md);
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--ease);
}

.footer__links a:hover { color: var(--text-primary); }

.footer__bottom {
  text-align: center;
}

.footer__bottom p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════
   Animations
   ═══════════════════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════ */
@media (max-width: 900px) {
  .categories__grid { grid-template-columns: repeat(2, 1fr); }
  .pricing__grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .steps__grid { flex-direction: column; align-items: center; }
  .step__connector { width: 1px; height: 40px; }
  .proof__stats { gap: var(--space-md); }
  .proof__stat-divider { display: none; }
}

@media (max-width: 600px) {
  .hero { padding-top: calc(64px + var(--space-xl)); min-height: auto; }
  .hero__title { font-size: 2.2rem; }
  .categories__grid { grid-template-columns: 1fr; }
  .scanner__btn-text { display: none; }
  .scanner__btn { padding: 0.75rem; }
  .footer__inner { flex-direction: column; text-align: center; gap: var(--space-sm); }
  .nav__link { display: none; }
}