/* =============================================================
   Fiat Marea 20v Landing Page
   Design tokens follow the Ferrari-inspired design system.
   ============================================================= */

:root {
  /* Colors */
  --ferrari-red: #DA291C;
  --dark-red: #B01E0A;
  --deep-red: #9D2211;
  --pure-white: #FFFFFF;
  --absolute-black: #000000;
  --dark-surface: #303030;
  --light-gray-surface: #D2D2D2;
  --near-black: #181818;
  --dark-gray: #666666;
  --mid-gray: #8F8F8F;
  --silver-gray: #969696;
  --border-gray: #CCCCCC;
  --border-mid: #909090;
  --warning-red: #F13A2C;
  --success-green: #03904A;
  --info-blue: #4C98B9;
  --link-blue: #3860BE;
  --teal-hover: #1EAEDB;
  --racing-yellow: #FFF200;
  --modena-yellow: #F6E500;
  --overlay-dark: hsla(0, 0%, 7%, 0.8);

  /* Typography */
  --font-heading: 'DM Sans', Arial, Helvetica, sans-serif;
  --font-body: 'Barlow Condensed', Arial, Helvetica, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-heading);
  background: var(--pure-white);
  color: var(--near-black);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 14px 40px;
  background: var(--absolute-black);
  min-height: 52px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.nav > .nav-left { justify-self: start; }
.nav > .nav-links { justify-self: center; }
.nav > :last-child { justify-self: end; }

.nav-brand {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--pure-white);
  letter-spacing: 0.13px;
}
.nav-brand-accent {
  color: var(--ferrari-red);
  margin-left: 4px;
}
.nav-brand-link { display: inline-flex; align-items: center; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--pure-white);
  padding: 6px 14px;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  transition: color .3s;
  letter-spacing: 0.13px;
}
.nav-links a:hover { color: var(--teal-hover); }

.nav-cta {
  background: var(--ferrari-red);
  color: var(--pure-white);
  padding: 8px 20px;
  border-radius: 2px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  transition: background-color .3s;
  display: inline-flex;
  align-items: center;
  border: none;
  cursor: pointer;
  letter-spacing: 0.13px;
}
.nav-cta:hover { background: var(--dark-red); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 120px 40px 96px;
  background: var(--absolute-black);
  color: var(--pure-white);
  text-align: center;
  overflow: hidden;
  min-height: 88vh;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 30%, rgba(218,41,28,0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(218,41,28,0.08) 0%, transparent 45%),
    linear-gradient(180deg, #000000 0%, #181818 100%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.8) 0%, transparent 70%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
}

.label-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--mid-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 32px;
  line-height: 1.27;
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 2px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 56px;
  font-weight: 500;
  line-height: 1.1;
  color: var(--pure-white);
  margin-bottom: 20px;
}
.text-accent { color: var(--ferrari-red); }

.hero .subtitle {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 400;
  color: var(--silver-gray);
  margin-bottom: 48px;
  line-height: 1.5;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  list-style: none;
  padding: 32px 0;
  margin: 0 auto 48px;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  max-width: 760px;
}
.hero-stats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.stat-value {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 500;
  color: var(--pure-white);
  line-height: 1;
}
.stat-unit {
  font-size: 20px;
  color: var(--ferrari-red);
  font-weight: 400;
  margin-left: 2px;
}
.stat-label {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--mid-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.btn-primary-red {
  background: var(--ferrari-red);
  color: var(--pure-white);
  border: 1px solid var(--ferrari-red);
  border-radius: 2px;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 1.28px;
  cursor: pointer;
  transition: background-color .3s, border-color .3s, transform .2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-primary-red:hover { background: var(--dark-red); border-color: var(--dark-red); transform: translateY(-1px); }
.btn-primary-red:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--pure-white);
  border: 1px solid var(--pure-white);
  border-radius: 2px;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 1.28px;
  cursor: pointer;
  transition: background-color .3s, color .3s, border-color .3s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-ghost:hover { background: var(--teal-hover); border-color: var(--teal-hover); }

.hero-scarcity {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--silver-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.27;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ferrari-red);
  box-shadow: 0 0 0 0 rgba(218,41,28,0.6);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(218,41,28,0.6); }
  70% { box-shadow: 0 0 0 12px rgba(218,41,28,0); }
  100% { box-shadow: 0 0 0 0 rgba(218,41,28,0); }
}

/* =========================================================
   SECTIONS
   ========================================================= */
.section {
  padding: 96px 40px;
  width: 100%;
}
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-head {
  max-width: 760px;
  margin-bottom: 56px;
}
.section-head-light { color: var(--pure-white); }
.section-head-light .section-desc { color: var(--silver-gray); }

.color-group-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--mid-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
  line-height: 1.27;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: 500;
  color: var(--near-black);
  margin-bottom: 16px;
  line-height: 1.15;
  letter-spacing: -0.2px;
}
.section-head-light .section-title { color: var(--pure-white); }

.section-desc {
  font-family: var(--font-heading);
  font-size: 16px;
  color: var(--dark-gray);
  line-height: 1.6;
  letter-spacing: 0.195px;
}

.section-divider {
  border: none;
  border-top: 1px solid var(--light-gray-surface);
  max-width: 1200px;
  margin: 0 auto;
}

.section-dark-block {
  background: var(--absolute-black);
  color: var(--pure-white);
}
.section-dark-block .section-divider { border-color: rgba(255,255,255,0.1); }

/* =========================================================
   APRESENTAÇÃO
   ========================================================= */
.presentation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.presentation-card {
  padding: 32px 24px;
  border-top: 2px solid var(--ferrari-red);
  background: var(--pure-white);
  transition: transform .3s;
}
.presentation-card:hover { transform: translateY(-2px); }

.card-caption {
  display: block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--mid-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.27;
  margin-bottom: 12px;
}
.card-heading {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--near-black);
  line-height: 1.3;
  margin-bottom: 12px;
}
.card-text {
  font-family: var(--font-heading);
  font-size: 14px;
  color: var(--dark-gray);
  line-height: 1.6;
  letter-spacing: 0.195px;
}

/* =========================================================
   DIFERENCIAIS
   ========================================================= */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 40px;
  margin-bottom: 56px;
}
.benefit-item {
  padding: 32px 24px 28px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 2px;
  transition: border-color .3s, background-color .3s, transform .3s;
}
.benefit-item:hover {
  border-color: var(--ferrari-red);
  background: rgba(218,41,28,0.04);
  transform: translateY(-2px);
}
.benefit-number {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  color: var(--ferrari-red);
  letter-spacing: 2px;
  display: block;
  margin-bottom: 12px;
}
.benefit-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--pure-white);
  line-height: 1.3;
  margin-bottom: 10px;
}
.benefit-text {
  font-family: var(--font-heading);
  font-size: 14px;
  color: var(--silver-gray);
  line-height: 1.6;
  letter-spacing: 0.195px;
}
.benefits-cta {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}

.btn-red-cta {
  background: var(--ferrari-red);
  color: var(--pure-white);
  border: 1px solid var(--ferrari-red);
  border-radius: 2px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 1.28px;
  cursor: pointer;
  transition: background-color .3s, transform .2s;
  min-width: 200px;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-red-cta:hover { background: var(--dark-red); border-color: var(--dark-red); transform: translateY(-1px); }
.btn-red-cta:active { transform: translateY(0); }

/* =========================================================
   FICHA TÉCNICA
   ========================================================= */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.spec-block {
  padding: 32px 24px;
  border: 1px solid var(--border-gray);
  border-radius: 2px;
  background: var(--pure-white);
  transition: border-color .3s;
}
.spec-block:hover { border-color: var(--ferrari-red); }
.spec-block-title {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--near-black);
  line-height: 1.3;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--light-gray-surface);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.spec-list { display: flex; flex-direction: column; gap: 10px; }
.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
  font-size: 13px;
  border-bottom: 1px dashed rgba(204,204,204,0.5);
}
.spec-row:last-child { border-bottom: none; }
.spec-row dt {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--mid-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  flex: 0 0 auto;
}
.spec-row dd {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 500;
  color: var(--near-black);
  text-align: right;
}

/* =========================================================
   GALERIA
   ========================================================= */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 16px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  cursor: pointer;
  grid-column: span 1;
  grid-row: span 1;
}
.gallery-item-large {
  grid-column: span 2;
  grid-row: span 2;
}
.gallery-item-wide {
  grid-column: span 2;
}
.gallery-img {
  width: 100%;
  height: 100%;
  background: var(--dark-surface);
  transition: transform .6s ease;
}
.gallery-item:hover .gallery-img { transform: scale(1.04); }
.gallery-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px 18px;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.85) 100%);
  color: var(--pure-white);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.27;
}

/* =========================================================
   PROVA SOCIAL
   ========================================================= */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.testimonial-card {
  padding: 32px 28px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 2px;
  transition: border-color .3s, transform .3s;
}
.testimonial-card:hover {
  border-color: var(--ferrari-red);
  transform: translateY(-2px);
}
.testimonial-quote {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 400;
  color: var(--pure-white);
  line-height: 1.55;
  margin-bottom: 20px;
  font-style: normal;
}
.testimonial-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.testimonial-name {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--pure-white);
}
.testimonial-role {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--silver-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.27;
}

.social-metrics {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  padding: 32px 24px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 2px;
  flex-wrap: wrap;
}
.metric { text-align: center; min-width: 140px; }
.metric-value {
  display: block;
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 500;
  color: var(--ferrari-red);
  line-height: 1.1;
  margin-bottom: 6px;
}
.metric-label {
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--silver-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.27;
}
.metric-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.1);
}

/* =========================================================
   ESCASSEZ / URGÊNCIA
   ========================================================= */
.section-urgency { background: var(--pure-white); }
.urgency-box {
  background: var(--absolute-black);
  color: var(--pure-white);
  padding: 64px 48px;
  border-radius: 2px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border-top: 3px solid var(--ferrari-red);
}
.urgency-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(218,41,28,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.urgency-box > * { position: relative; }
.urgency-box .section-title { color: var(--pure-white); }
.urgency-box .section-desc { color: var(--silver-gray); margin-bottom: 40px; max-width: 640px; margin-left: auto; margin-right: auto; }

.countdown {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 80px;
  padding: 16px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2px;
}
.countdown-value {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 500;
  color: var(--ferrari-red);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.countdown-label {
  font-family: var(--font-body);
  font-size: 10px;
  color: var(--silver-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.27;
}
.urgency-note {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--silver-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.urgency-cta { min-width: 260px; }

/* =========================================================
   FORM / CTA FINAL
   ========================================================= */
.section-cta-final { background: var(--pure-white); }
.lead-form {
  max-width: 760px;
  margin: 0 auto;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }
.form-label {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  color: var(--mid-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.27;
}
.form-input {
  font-family: var(--font-heading);
  font-size: 14px;
  color: var(--near-black);
  background: transparent;
  border: 1px solid var(--border-gray);
  border-radius: 2px;
  padding: 14px 12px;
  outline: none;
  transition: border-color .3s;
  line-height: 1.5;
  letter-spacing: 0.195px;
  width: 100%;
}
.form-input::placeholder { color: var(--silver-gray); }
.form-input:focus { border-color: var(--ferrari-red); }
.form-input-error { border-color: var(--warning-red); }
.form-error-text {
  font-size: 11px;
  color: var(--warning-red);
  font-family: var(--font-heading);
  margin-top: 4px;
}
textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.form-submit { min-width: 280px; }
.form-hint {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--mid-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.27;
}
.form-success {
  margin-top: 24px;
  padding: 16px 20px;
  background: rgba(3,144,74,0.08);
  border: 1px solid var(--success-green);
  color: var(--success-green);
  font-size: 14px;
  border-radius: 2px;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  background: var(--absolute-black);
  color: var(--silver-gray);
  padding: 64px 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .nav-brand { font-size: 20px; display: inline-block; margin-bottom: 16px; }
.footer-text {
  font-size: 13px;
  color: var(--silver-gray);
  line-height: 1.6;
  max-width: 360px;
}
.footer-col-title {
  display: block;
  color: var(--pure-white) !important;
  margin-bottom: 16px;
}
.footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
}
.footer-list a { color: var(--silver-gray); transition: color .3s; }
.footer-list a:hover { color: var(--pure-white); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-body);
  font-size: 11px;
  color: var(--mid-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  line-height: 1.27;
}

/* =========================================================
   STICKY CTA (MOBILE-FIRST FLOATING)
   ========================================================= */
.sticky-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--ferrari-red);
  color: var(--pure-white);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.13px;
  border-radius: 2px;
  box-shadow: rgba(0,0,0,0.25) 0px 8px 24px;
  transform: translateY(120%);
  opacity: 0;
  transition: transform .4s ease, opacity .4s ease, background-color .3s;
}
.sticky-cta.is-visible {
  transform: translateY(0);
  opacity: 1;
}
.sticky-cta:hover { background: var(--dark-red); }
.sticky-cta-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--racing-yellow);
  box-shadow: 0 0 0 0 rgba(255,242,0,0.6);
  animation: pulse-yellow 1.8s infinite;
}
@keyframes pulse-yellow {
  0% { box-shadow: 0 0 0 0 rgba(255,242,0,0.6); }
  70% { box-shadow: 0 0 0 10px rgba(255,242,0,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,242,0,0); }
}

/* =========================================================
   REVEAL ANIMATIONS
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal-stagger.is-visible > * { opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 400ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; transition: none; }
  .pulse-dot, .sticky-cta-dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .section-title { font-size: 34px; }
  .hero h1 { font-size: 44px; }
  .presentation-grid,
  .benefits-grid,
  .spec-grid,
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .nav { grid-template-columns: auto auto; padding: 12px 20px; }
  .nav-links { display: none; }
  .nav-cta { padding: 8px 16px; font-size: 12px; }

  .hero { padding: 80px 20px 64px; min-height: auto; }
  .hero h1 { font-size: 34px; }
  .hero .subtitle { font-size: 15px; margin-bottom: 32px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-value { font-size: 28px; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-buttons .btn-primary-red,
  .hero-buttons .btn-ghost { width: 100%; }

  .section { padding: 64px 20px; }
  .section-title { font-size: 28px; }
  .section-desc { font-size: 15px; }
  .section-head { margin-bottom: 40px; }

  .presentation-grid,
  .benefits-grid,
  .spec-grid,
  .testimonial-grid { grid-template-columns: 1fr; gap: 20px; }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
  }
  .gallery-item-large,
  .gallery-item-wide { grid-column: span 2; }

  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: auto; }
  .form-submit { width: 100%; min-width: 0; }
  .form-actions { flex-direction: column; align-items: stretch; }

  .urgency-box { padding: 40px 24px; }
  .countdown { gap: 10px; }
  .countdown-item { min-width: 64px; padding: 12px 8px; }
  .countdown-value { font-size: 26px; }

  .social-metrics { flex-direction: column; gap: 24px; }
  .metric-divider { width: 40px; height: 1px; }

  .footer { padding: 48px 20px 20px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .sticky-cta { bottom: 16px; right: 16px; padding: 10px 16px; font-size: 12px; }
}

@media (max-width: 420px) {
  .hero h1 { font-size: 28px; }
  .section-title { font-size: 24px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .countdown-item { min-width: 58px; }
  .countdown-value { font-size: 22px; }
}