/* Modern single-page site — Ad Selling / AdX Services */
:root {
  --bg: #050914;
  --text: #f0f4ff;
  --muted: #94a3b8;
  --line: rgba(255, 255, 255, .08);
  --brand: #3b82f6;
  /* Electric Blue */
  --brand2: #8b5cf6;
  /* Vivid Violet */
  --success: #10b981;
  --accent: #f43f5e;
  --glass: rgba(18, 25, 40, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --shadow: 0 25px 80px -20px rgba(0, 0, 0, 0.6);
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  background-image:
    radial-gradient(1200px 800px at 10% 0%, rgba(59, 130, 246, 0.15), transparent 60%),
    radial-gradient(1000px 800px at 90% 10%, rgba(139, 92, 246, 0.15), transparent 50%),
    radial-gradient(800px 600px at 50% 100%, rgba(16, 185, 129, 0.05), transparent 50%);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img {
  max-width: 100%;
  display: block
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto
}

/* Scroll progress */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 9999;
  background: rgba(255, 255, 255, .06)
}

.scroll-progress__bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--brand), var(--brand2))
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, .65);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(139, 92, 246, 0.25));
  border: 1px solid rgba(255, 255, 255, .15);
  box-shadow: 0 0 25px rgba(59, 130, 246, 0.2);
}

.brand-mark svg {
  width: 22px;
  height: 22px;
  color: var(--text)
}

.brand-text strong {
  font-weight: 800
}

.brand-text .muted {
  color: var(--muted);
  font-weight: 700;
  margin-left: 6px
}

.nav {
  display: flex;
  gap: 18px;
  align-items: center
}

.nav a {
  color: var(--muted);
  font-weight: 600;
  font-size: 14px
}

.nav a:hover {
  color: var(--text)
}

.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
  color: white !important;
  border: none;
  transition: all .2s ease;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5)
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .10);
}

.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: rgba(255, 255, 255, .86);
  border-radius: 999px
}

.mobile-nav {
  display: none;
  border-top: 1px solid rgba(255, 255, 255, .06)
}

.mobile-nav-inner {
  padding: 12px 0;
  display: grid;
  gap: 10px
}

.mobile-link,
.mobile-cta {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, .08);
  background: rgba(255, 255, 255, .04);
  color: var(--muted);
  font-weight: 700;
}

.mobile-cta {
  background: linear-gradient(135deg, rgba(110, 231, 255, .18), rgba(167, 139, 250, .18));
  border-color: rgba(255, 255, 255, .12);
  color: var(--text);
}

/* Hero */
.hero {
  position: relative;
  padding: 64px 0 28px;
  overflow: hidden
}

.hero-bg {
  position: absolute;
  inset: -80px -30px auto -30px;
  height: 420px;
  background:
    radial-gradient(600px 280px at 35% 35%, rgba(110, 231, 255, .18), transparent 60%),
    radial-gradient(520px 260px at 70% 30%, rgba(167, 139, 250, .18), transparent 60%);
  filter: blur(14px);
  opacity: .9;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 34px;
  align-items: center;
  position: relative
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .09);
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
}

.pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), var(--brand2));
  box-shadow: 0 0 0 4px rgba(110, 231, 255, .12);
}

h1 {
  font-size: clamp(34px, 4.2vw, 54px);
  line-height: 1.08;
  margin: 14px 0;
  letter-spacing: -.02em
}

.grad {
  background: linear-gradient(90deg, var(--brand), #8ef0ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent
}

.grad2 {
  background: linear-gradient(90deg, var(--brand2), #f0abfc);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent
}

.lead {
  color: var(--muted);
  font-size: 16px;
  max-width: 52ch
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin: 22px 0 18px;
  flex-wrap: wrap
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .12);
  background: rgba(255, 255, 255, .05);
  font-weight: 800;
  font-size: 14px;
  box-shadow: 0 16px 45px rgba(0, 0, 0, .22);
  transition: transform .15s ease, border-color .15s ease;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, .3)
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  border: none;
  color: white;
  box-shadow: 0 10px 30px -5px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 20px 40px -5px rgba(139, 92, 246, 0.5);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero-metrics {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px
}

.metric {
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08)
}

.metric-num {
  font-weight: 900
}

.metric-label {
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px
}

/* Hero visual card */
.glass-card {
  position: relative;
  border-radius: 24px;
  background: var(--glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
  overflow: hidden;
  min-height: 520px;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.03), transparent 40%);
  pointer-events: none;
}

.glass-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 16px 10px
}

.status {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-weight: 800;
  font-size: 13px
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, .12)
}

.chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap
}

.chip {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .4px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(0, 0, 0, .18);
  border: 1px solid rgba(255, 255, 255, .12)
}

.dashboard {
  padding: 12px 16px 10px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 14px
}

.kpi,
.spark {
  padding: 16px;
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, .05);
}

.kpi-title {
  color: var(--muted);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em
}

.kpi-value {
  font-size: 32px;
  font-weight: 800;
  margin-top: 2px;
  background: linear-gradient(to bottom, #fff, #94a3b8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.kpi-sub {
  color: var(--success);
  font-weight: 600;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px
}

.kpi-sub::before {
  content: '↑';
  font-weight: 800
}

.spark svg {
  width: 100%;
  height: 48px;
  color: var(--brand);
  filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.3))
}

.spark-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700
}

.bars {
  grid-column: 1/-1;
  display: flex;
  gap: 6px;
  align-items: flex-end;
  padding: 12px 0 6px;
  height: 140px
}

.bars span {
  flex: 1;
  height: var(--h);
  border-radius: 6px;
  background: linear-gradient(180deg, var(--brand), rgba(59, 130, 246, 0.2));
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  transition: height 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-image-wrap {
  position: absolute;
  inset: auto -20% -30% -20%;
  height: 62%;
  opacity: .65;
  transform: rotate(-3deg)
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.1) contrast(1.05);
  mask-image: radial-gradient(circle at 50% 30%, black 55%, transparent 78%)
}

/* Trust */
.trust {
  padding: 14px 0 0
}

.trust-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 18px
}

.trust-title {
  margin: 0;
  color: var(--muted);
  font-weight: 800
}

.trust-items {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, .70);
  font-weight: 900;
  font-size: 12px
}

/* Sections */
.section {
  padding: 72px 0
}

.section-alt {
  background:
    radial-gradient(900px 500px at 15% 30%, rgba(110, 231, 255, .08), transparent 60%),
    radial-gradient(700px 500px at 85% 10%, rgba(167, 139, 250, .08), transparent 60%);
  border-top: 1px solid rgba(255, 255, 255, .06);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.section-head {
  max-width: 70ch
}

.section-head h2 {
  margin: 0 0 8px;
  font-size: clamp(26px, 2.7vw, 38px);
  letter-spacing: -.02em
}

.section-head p {
  margin: 0;
  color: var(--muted)
}

.cards {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px
}

.card {
  padding: 18px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .09);
  box-shadow: 0 18px 45px rgba(0, 0, 0, .18);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(110, 231, 255, .18), rgba(167, 139, 250, .18));
  border: 1px solid rgba(255, 255, 255, .12);
  margin-bottom: 10px;
}

.card h3 {
  margin: 6px 0
}

.card p {
  margin: 0 0 12px;
  color: var(--muted)
}

.details summary {
  cursor: pointer;
  color: rgba(255, 255, 255, .88);
  font-weight: 900;
  font-size: 13px
}

.details-body {
  padding-top: 10px;
  color: var(--muted)
}

.details-body ul {
  margin: 0;
  padding-left: 18px
}

.details-body li {
  margin: 6px 0
}

.media-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px
}

.media {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .10);
  background: rgba(255, 255, 255, .03);
  box-shadow: 0 20px 55px rgba(0, 0, 0, .22)
}

.media img {
  width: 100%;
  height: 280px;
  object-fit: cover
}

.feature-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px
}

.feature {
  padding: 16px 14px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, .09);
  background: rgba(255, 255, 255, .04)
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 15px
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 13px
}

.split {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: center
}

.split-copy h3 {
  margin: 0 0 10px;
  font-size: 22px;
  letter-spacing: -.02em
}

.split-copy p {
  margin: 0 0 14px;
  color: var(--muted)
}

.checklist {
  display: grid;
  gap: 10px;
  margin: 14px 0 18px
}

.check {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(255, 255, 255, .85);
  font-weight: 800
}

.check span {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: rgba(34, 197, 94, .16);
  border: 1px solid rgba(34, 197, 94, .25);
  color: #b7f7c9;
  font-weight: 900
}

.media-frame {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .10);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .28)
}

.media-frame img {
  width: 100%;
  height: 360px;
  object-fit: cover
}

.badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(11, 18, 32, .60);
  border: 1px solid rgba(255, 255, 255, .10);
  display: flex;
  gap: 10px;
  align-items: center;
  color: rgba(255, 255, 255, .88);
  font-weight: 900;
  font-size: 13px;
  backdrop-filter: blur(10px)
}

.badge-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), var(--brand2));
  box-shadow: 0 0 0 4px rgba(110, 231, 255, .10)
}

.fineprint {
  color: rgba(255, 255, 255, .55);
  font-size: 12px;
  margin-top: 16px
}

/* Steps */
.steps {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px
}

.step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .09)
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(110, 231, 255, .18), rgba(167, 139, 250, .18));
  border: 1px solid rgba(255, 255, 255, .12);
  font-weight: 900
}

.step-body h3 {
  margin: 0 0 6px
}

.step-body p {
  margin: 0;
  color: var(--muted)
}

.process-media {
  margin-top: 16px;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .10);
  box-shadow: 0 22px 60px rgba(0, 0, 0, .25)
}

.process-media img {
  width: 100%;
  height: 360px;
  object-fit: cover
}

/* FAQ */
.faq {
  margin-top: 18px;
  display: grid;
  gap: 12px
}

.faq-item {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, .09);
  background: rgba(255, 255, 255, .04)
}

.faq-item summary {
  cursor: pointer;
  font-weight: 900
}

.faq-body {
  color: var(--muted)
}

/* Contact */
.contact-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: start
}

.form {
  padding: 18px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, .10);
  background: rgba(255, 255, 255, .04)
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 12px
}

label {
  font-weight: 900;
  font-size: 13px;
  color: rgba(255, 255, 255, .85)
}

input,
textarea {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, .12);
  background: rgba(11, 18, 32, .55);
  color: var(--text);
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, .45)
}

input:focus,
textarea:focus {
  border-color: rgba(110, 231, 255, .55);
  box-shadow: 0 0 0 4px rgba(110, 231, 255, .10)
}

textarea {
  resize: vertical
}

.form-note {
  color: rgba(255, 255, 255, .55);
  font-size: 12px;
  margin-top: 8px
}

.contact-side {
  padding: 18px 16px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, .10);
  background: linear-gradient(135deg, rgba(110, 231, 255, .08), rgba(167, 139, 250, .08))
}

.contact-side h3 {
  margin: 0 0 8px
}

.contact-side p {
  margin: 0 0 12px;
  color: var(--muted)
}

.pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap
}

.pill2 {
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(11, 18, 32, .45);
  border: 1px solid rgba(255, 255, 255, .10);
  font-weight: 900;
  font-size: 12px;
  color: rgba(255, 255, 255, .85)
}

/* Footer */
.footer {
  padding: 34px 0 42px;
  color: rgba(255, 255, 255, .65)
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding-top: 18px
}

.footer a {
  color: rgba(255, 255, 255, .75)
}

.footer a:hover {
  color: var(--text)
}

.small {
  font-size: 12px;
  color: rgba(255, 255, 255, .55)
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .6s ease, transform .6s ease;
  transition-delay: var(--delay, 0ms)
}

.reveal.is-visible {
  opacity: 1;
  transform: none
}

@media (max-width:980px) {
  .hero-grid {
    grid-template-columns: 1fr
  }

  .glass-card {
    min-height: 480px
  }

  .cards {
    grid-template-columns: 1fr
  }

  .feature-grid {
    grid-template-columns: 1fr 1fr
  }

  .split {
    grid-template-columns: 1fr
  }

  .contact-grid {
    grid-template-columns: 1fr
  }

  .media-grid {
    grid-template-columns: 1fr
  }

  .nav {
    display: none
  }

  .hamburger {
    display: block
  }

  .field-row {
    grid-template-columns: 1fr
  }

  .hero-metrics {
    grid-template-columns: 1fr
  }

  .process-media img {
    height: 280px
  }

  .media img {
    height: 240px
  }

  .media-frame img {
    height: 280px
  }
}

/* Premium Animations */
@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

@keyframes pulse-glow {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
  }

  50% {
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
  }
}

@keyframes draw-spark {
  to {
    stroke-dashoffset: 0;
  }
}

.status-dot {
  animation: pulse-glow 2s infinite;
  background: var(--success);
}

.hero-visual .glass-card {
  animation: float 7s ease-in-out infinite;
}

/* Reveal transition enhancement */
.reveal {
  transform: translateY(30px);
  filter: blur(10px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.8s ease;
}

.reveal.is-visible {
  filter: blur(0);
}