/* ═══════════════════════════════════════════
   BESTBUY.RO — Main Stylesheet
   Stack: Custom CSS, Inter font, CSS vars
═══════════════════════════════════════════ */

/* ─── DESIGN TOKENS ──────────────────────── */
:root {
  --bg-primary:     #0A0F1E;
  --bg-secondary:   #0F172A;
  --bg-card:        #111827;
  --bg-card-hover:  #1A2332;
  --accent:         #06B6D4;
  --accent-hover:   #0891B2;
  --accent-glow:    rgba(6, 182, 212, 0.15);
  --accent-border:  rgba(6, 182, 212, 0.3);
  --text-primary:   #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted:     #64748B;
  --border:         rgba(255, 255, 255, 0.07);
  --border-strong:  rgba(255, 255, 255, 0.12);
  --ff:             'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius:         14px;
  --radius-sm:      8px;
  --radius-lg:      20px;
  --transition:     0.3s ease;
  --max-w:          1200px;
  --header-h:       72px;
  --shadow-card:    0 4px 32px rgba(0, 0, 0, 0.35);
  --shadow-accent:  0 0 40px rgba(6, 182, 212, 0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  font-size: 16px;
}

body {
  font-family: var(--ff);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--ff); }
ul { list-style: none; }
textarea { resize: vertical; }

/* ─── CONTAINER ──────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── TYPOGRAPHY ─────────────────────────── */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
.text-accent { color: var(--accent); }

/* ─── BUTTONS ────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--ff);
  transition: all var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn--lg { padding: 14px 32px; font-size: 1rem; }
.btn--sm { padding: 8px 16px; font-size: 0.85rem; }

.btn-accent {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.btn-accent:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* ─── SECTION BASE ───────────────────────── */
.section { padding: 96px 0; }

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section__tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section__title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 16px;
}

.section__subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ─── SCROLL REVEAL ──────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ═══════════════════════════════════════════
   COOKIE BANNER
═══════════════════════════════════════════ */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 540px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 20px 24px;
  z-index: 10000;
  box-shadow: var(--shadow-card);
  transition: transform 0.4s ease, opacity 0.4s ease;
}
.cookie-banner.hidden {
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
}
.cookie-banner__inner { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.cookie-banner p { font-size: 0.88rem; color: var(--text-secondary); flex: 1; min-width: 200px; }
.cookie-banner a { color: var(--accent); text-decoration: underline; }
.cookie-banner__actions { display: flex; gap: 10px; }

/* ═══════════════════════════════════════════
   HEADER / NAV
═══════════════════════════════════════════ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}
.header.scrolled {
  background: rgba(10, 15, 30, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 100%;
}

.nav__logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  flex-shrink: 0;
}
.nav__logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.nav__logo-dot { color: var(--accent); }
.nav__logo-sub {
  font-size: 0.62rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 2px;
}

.nav__links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav__link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover, .nav__link.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.nav__cta { flex-shrink: 0; }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav__burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-h);
  background: linear-gradient(135deg, #08111F 0%, #0A1628 50%, #060D1A 100%);
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(6,182,212,0.12) 1px, transparent 0);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  pointer-events: none;
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}
.hero__glow--1 {
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6,182,212,0.14) 0%, transparent 65%);
}
.hero__glow--2 {
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6,182,212,0.06) 0%, transparent 65%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 80px 24px;
  max-width: 780px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(6,182,212,0.08);
  border: 1px solid var(--accent-border);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero__badge-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero__subtitle {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 620px;
  margin-bottom: 40px;
}

.hero__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  gap: 8px;
}
.hero__stat { text-align: center; padding: 0 28px; }
.hero__stat:first-child { padding-left: 0; }
.hero__stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
}
.hero__stat-label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}
.hero__stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border-strong);
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  animation: scroll-hint-fade 3s ease-in-out infinite;
}
.hero__scroll-arrow {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
@keyframes scroll-hint-fade {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50%       { opacity: 1;   transform: translateX(-50%) translateY(6px); }
}

/* ═══════════════════════════════════════════
   BRANDS STRIP
═══════════════════════════════════════════ */
.brands {
  padding: 40px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.brands__label {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 28px;
}
.brands__strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.brands__item {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  filter: grayscale(1) brightness(0.55);
  transition: filter var(--transition), transform var(--transition);
}
.brands__item:hover {
  filter: grayscale(0) brightness(1);
  transform: scale(1.08);
}
.brands__item img {
  height: 32px;
  width: auto;
  object-fit: contain;
}

/* ═══════════════════════════════════════════
   CATEGORIES
═══════════════════════════════════════════ */
.categories { background: var(--bg-primary); }

.categories__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.category-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-accent);
}
.category-card:hover::before { opacity: 1; }

.category-card__icon {
  width: 52px; height: 52px;
  background: var(--accent-glow);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  position: relative;
}
.category-card__icon svg {
  width: 28px; height: 28px;
  stroke: var(--accent);
}

.category-card__number {
  position: absolute;
  top: 28px; right: 28px;
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  letter-spacing: -0.04em;
  user-select: none;
  pointer-events: none;
}

.category-card__title {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.category-card__slogan {
  font-size: 0.92rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 14px;
}

.category-card__desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.category-card__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.category-card__tags span {
  padding: 4px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ═══════════════════════════════════════════
   DIFFERENTIATORS
═══════════════════════════════════════════ */
.differentiators {
  background: var(--bg-secondary);
}

.diff__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.diff-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}
.diff-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-4px);
}
.diff-card--featured {
  border-color: var(--accent-border);
  background: linear-gradient(145deg, rgba(6,182,212,0.06) 0%, var(--bg-card) 100%);
  box-shadow: 0 0 0 1px var(--accent-border), var(--shadow-accent);
}

.diff-card__badge {
  position: absolute;
  top: -1px; right: 24px;
  padding: 4px 14px;
  background: var(--accent);
  color: #000;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.diff-card__icon-wrap {
  width: 56px; height: 56px;
  background: var(--accent-glow);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.diff-card__icon-wrap svg {
  width: 28px; height: 28px;
  stroke: var(--accent);
}

.diff-card__title {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

.diff-card__desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ═══════════════════════════════════════════
   B2B SECTION
═══════════════════════════════════════════ */
.b2b { background: var(--bg-primary); }

.b2b__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.b2b__content .section__tag { margin-bottom: 16px; }

.b2b__title {
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  margin-bottom: 20px;
  line-height: 1.2;
}

.b2b__desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 28px;
}

.b2b__perks {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}
.b2b__perks li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}
.b2b__perks li svg {
  width: 20px; height: 20px;
  stroke: var(--accent);
  flex-shrink: 0;
}

.b2b__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.b2b__map-placeholder {
  width: 100%;
  max-width: 380px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.b2b__map-svg { width: 100%; height: auto; }

/* ═══════════════════════════════════════════
   ROADMAP
═══════════════════════════════════════════ */
.roadmap { background: var(--bg-secondary); }

.roadmap__timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}
.roadmap__timeline::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: var(--border-strong);
}

.roadmap__item {
  display: flex;
  gap: 28px;
  padding-bottom: 40px;
  position: relative;
}
.roadmap__item:last-child { padding-bottom: 0; }

.roadmap__marker {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  position: relative;
  z-index: 1;
}
.roadmap__marker-inner {
  width: 48px; height: 48px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 6px rgba(6,182,212,0.15);
}
.roadmap__marker-inner svg { width: 22px; height: 22px; stroke: #000; }
.roadmap__marker-inner--pending {
  background: var(--bg-card);
  border: 2px solid var(--border-strong);
  box-shadow: none;
}
.roadmap__marker-inner--pending svg { stroke: var(--text-muted); }

.roadmap__card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-top: 4px;
}
.roadmap__item--active .roadmap__card {
  border-color: var(--accent-border);
  background: linear-gradient(135deg, rgba(6,182,212,0.05) 0%, var(--bg-card) 100%);
}

.roadmap__phase {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.roadmap__card-title {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.roadmap__card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}
.roadmap__card-desc strong { color: var(--text-primary); }

.roadmap__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
}
.roadmap__status span {
  width: 7px; height: 7px;
  border-radius: 50%;
}
.roadmap__status--active {
  background: rgba(34,197,94,0.1);
  color: #22C55E;
  border: 1px solid rgba(34,197,94,0.25);
}
.roadmap__status--active span { background: #22C55E; animation: pulse-dot 2s infinite; }
.roadmap__status--pending {
  background: rgba(148,163,184,0.08);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.roadmap__status--pending span { background: var(--text-muted); }

/* ═══════════════════════════════════════════
   CONTACT FORM
═══════════════════════════════════════════ */
.contact { background: var(--bg-primary); }

.contact__inner {
  max-width: 800px;
  margin: 0 auto;
}
.contact__header { text-align: center; margin-bottom: 48px; }

.contact__form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.form__row { display: grid; gap: 20px; }
.form__row--2 { grid-template-columns: 1fr 1fr; }

.form__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 4px;
}

.form__group label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.req { color: var(--accent); }

.form__group input,
.form__group select,
.form__group textarea {
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--ff);
  font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form__group input::placeholder,
.form__group textarea::placeholder {
  color: var(--text-muted);
}

.form__group select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(6,182,212,0.12);
}

.form__group input.invalid,
.form__group select.invalid,
.form__group textarea.invalid {
  border-color: #EF4444;
}

.form__error {
  font-size: 0.8rem;
  color: #EF4444;
  min-height: 1rem;
}

.form__group--checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 12px;
  margin-top: 8px;
}
.form__group--checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--accent);
  cursor: pointer;
}
.form__group--checkbox label {
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--text-secondary);
  line-height: 1.5;
}
.form__group--checkbox label a { color: var(--accent); text-decoration: underline; }

.form__submit { margin-top: 28px; }
.form__submit .btn { width: 100%; justify-content: center; }

.spin {
  animation: spin 1s linear infinite;
  width: 20px; height: 20px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.form__success,
.form__error-general {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  margin-top: 20px;
  font-size: 0.92rem;
}
.form__success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.25); color: #22C55E; }
.form__success svg { width: 28px; height: 28px; stroke: #22C55E; flex-shrink: 0; }
.form__success strong { display: block; margin-bottom: 4px; }
.form__success p { color: var(--text-secondary); font-size: 0.85rem; }
.form__error-general { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.25); color: #EF4444; }
.form__error-general svg { width: 24px; height: 24px; stroke: #EF4444; flex-shrink: 0; }

/* ═══════════════════════════════════════════
   FAQ
═══════════════════════════════════════════ */
.faq { background: var(--bg-secondary); }
.faq__container { max-width: 720px; }

.faq__list { display: flex; flex-direction: column; gap: 12px; }

.faq__item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq__item.open { border-color: var(--accent-border); }

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 22px 28px;
  text-align: left;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition);
}
.faq__question:hover { color: var(--accent); }
.faq__item.open .faq__question { color: var(--accent); }

.faq__icon {
  width: 20px; height: 20px;
  stroke: currentColor;
  flex-shrink: 0;
  transition: transform var(--transition);
}
.faq__item.open .faq__icon { transform: rotate(180deg); }

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq__item.open .faq__answer {
  max-height: 400px;
}
.faq__answer p {
  padding: 0 28px 24px;
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.75;
}
.faq__answer em { color: var(--text-primary); font-style: normal; font-weight: 500; }

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.footer__brand .nav__logo-text { font-size: 1.4rem; display: block; margin-bottom: 12px; }
.footer__tagline { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; max-width: 260px; margin-bottom: 20px; }

.footer__social { display: flex; gap: 12px; }
.footer__social a {
  width: 38px; height: 38px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), background var(--transition);
}
.footer__social a:hover { border-color: var(--accent-border); background: var(--accent-glow); }
.footer__social img { width: 20px; height: 20px; }

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer__nav-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer__nav-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__nav-col a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.footer__nav-col a:hover { color: var(--accent); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer__disclaimer { font-size: 0.78rem; }

/* ═══════════════════════════════════════════
   WHATSAPP FLOAT
═══════════════════════════════════════════ */
.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: transform var(--transition), box-shadow var(--transition);
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.6);
}
.whatsapp-btn img { width: 34px; height: 34px; }

.whatsapp-btn__tooltip {
  position: absolute;
  right: calc(100% + 12px);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  pointer-events: none;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity var(--transition), transform var(--transition);
}
.whatsapp-btn:hover .whatsapp-btn__tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ═══════════════════════════════════════════
   RESPONSIVE — TABLET
═══════════════════════════════════════════ */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__burger { display: flex; }

  .nav__links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(10,15,30,0.97);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    animation: slide-down 0.3s ease;
  }
  @keyframes slide-down {
    from { opacity: 0; transform: translateY(-12px); }
    to   { opacity: 1; transform: none; }
  }
  .nav__links.mobile-open .nav__link {
    font-size: 1.1rem;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
  }

  .categories__grid { grid-template-columns: 1fr; }
  .diff__grid { grid-template-columns: 1fr; }
  .b2b__inner { grid-template-columns: 1fr; gap: 40px; }
  .b2b__visual { order: -1; }

  .footer__top { grid-template-columns: 1fr; gap: 40px; }
  .footer__nav { grid-template-columns: repeat(2, 1fr); }

  .contact__form { padding: 32px 24px; }
  .form__row--2 { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════
   RESPONSIVE — MOBILE
═══════════════════════════════════════════ */
@media (max-width: 600px) {
  .section { padding: 72px 0; }
  .hero__content { padding: 60px 24px; }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__stat { padding: 0 16px; }
  .hero__stat-value { font-size: 1.5rem; }

  .brands__strip { gap: 24px; }

  .category-card { padding: 28px 24px; }
  .category-card__number { font-size: 2.5rem; }

  .diff-card { padding: 28px 24px; }

  .footer__nav { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }

  .roadmap__timeline::before { left: 19px; }
  .roadmap__marker { width: 40px; height: 40px; }
  .roadmap__marker-inner { width: 40px; height: 40px; }
  .roadmap__card { padding: 20px; }

  .cookie-banner { left: 12px; right: 12px; bottom: 12px; }
  .cookie-banner__inner { flex-direction: column; gap: 12px; }
  .cookie-banner__actions { width: 100%; }
  .cookie-banner__actions .btn { flex: 1; justify-content: center; }
}