/* ============================================================
   Ventara — black concept
   Ink black · charcoal · white · indigo/cyan highlights
   ============================================================ */

:root {
  --bg: #060709;
  --bg-alt: #0B0D11;
  --surface: #101218;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #F4F5F7;
  --muted: #9AA1AC;
  --accent: #22D3EE;
  --accent-2: #6E6CF6;
  --grad: linear-gradient(135deg, #6E6CF6 0%, #22D3EE 100%);
  --font-display: "Sora", sans-serif;
  --font-body: "Inter", sans-serif;
  --nav-h: 76px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; letter-spacing: -0.02em; }

h1 em, h2 em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

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

.container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }

/* ---------- typography helpers ---------- */

.eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--accent);
  margin-bottom: 20px;
}

.section__title { font-size: clamp(34px, 4.6vw, 56px); max-width: 760px; margin-bottom: 22px; }

.section__sub { color: var(--muted); font-size: 18px; max-width: 620px; margin-bottom: 56px; }

.caption { color: var(--muted); font-size: 14px; margin-top: 40px; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  white-space: nowrap;
}

.btn--lg { padding: 16px 34px; font-size: 15px; }

.btn--primary {
  background: var(--grad);
  color: #04060A;
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(34, 211, 238, 0.28);
}

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--text);
}
.btn--ghost:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

/* ---------- navigation ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.nav.is-scrolled {
  background: rgba(6, 7, 9, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.nav__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.32em;
}

.nav__links { display: flex; gap: 34px; margin-left: auto; }

.nav__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s ease;
  position: relative;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 1px;
  background: var(--grad);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav__links a:hover { color: var(--text); }
.nav__links a:hover::after { transform: scaleX(1); }

.nav__toggle { display: none; }
.nav__mobile { display: none; }

/* ---------- hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero__media { position: absolute; inset: 0; overflow: hidden; }

.hero__frame {
  position: absolute;
  inset: -5%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  animation: heroFade 27s ease-in-out infinite, kenburns 27s ease-in-out infinite;
}
.hero__frame--1 { animation-delay: 0s, 0s; }
.hero__frame--2 { animation-delay: 9s, 9s; }
.hero__frame--3 { animation-delay: 18s, 18s; }

@keyframes heroFade {
  0% { opacity: 0; }
  8% { opacity: 1; }
  33% { opacity: 1; }
  45% { opacity: 0; }
  100% { opacity: 0; }
}

@keyframes kenburns {
  0% { transform: scale(1); }
  50% { transform: scale(1.09); }
  100% { transform: scale(1); }
}

.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6,7,9,0.62) 0%, rgba(6,7,9,0.38) 40%, rgba(6,7,9,0.92) 100%),
    radial-gradient(ellipse at 30% 45%, rgba(6,7,9,0) 0%, rgba(6,7,9,0.55) 100%);
}

.hero__content {
  position: relative;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--nav-h) + 40px) 32px 0;
}

.hero__title {
  font-size: clamp(44px, 7vw, 92px);
  font-weight: 700;
  max-width: 980px;
  margin-bottom: 28px;
}

.hero__sub {
  color: var(--muted);
  font-size: clamp(17px, 1.5vw, 20px);
  max-width: 580px;
  margin-bottom: 40px;
}

.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero__trust {
  position: relative;
  margin-top: auto;
  padding: 36px 0 28px;
  border-top: 1px solid var(--line);
}

.hero__trust-line {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 22px;
  padding: 0 32px;
}

/* ---------- marquee ---------- */

.marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.marquee__track {
  display: flex;
  gap: 64px;
  width: max-content;
  animation: marquee 42s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(244, 245, 247, 0.55);
  white-space: nowrap;
}
.marquee__item img { height: 20px; width: auto; opacity: 0.65; }

.wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ---------- sections ---------- */

.section { padding: 128px 0; }
.section--alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* ---------- grids & cards ---------- */

.grid { display: grid; gap: 20px; }
.grid--services { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid--benefits { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid--featured { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 34px 28px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(34, 211, 238, 0.08), transparent 65%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); }
.card:hover::before { opacity: 1; }

.card__icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: var(--accent);
  margin-bottom: 22px;
}
.card__icon svg { width: 22px; height: 22px; }

.card h3 { font-size: 19px; margin-bottom: 12px; }
.card p { color: var(--muted); font-size: 14.5px; }

/* ---------- benefits ---------- */

.benefit {
  border-top: 1px solid var(--line-strong);
  padding-top: 26px;
}
.benefit__num {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
}
.benefit h3 { font-size: 20px; margin: 14px 0 10px; }
.benefit p { color: var(--muted); font-size: 15px; }

/* ---------- vendor grid ---------- */

.vendor-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.vendor {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 34px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(244, 245, 247, 0.6);
  transition: background 0.25s ease, color 0.25s ease;
}
.vendor:hover { background: rgba(255, 255, 255, 0.03); color: var(--text); }
.vendor img { height: 24px; width: auto; opacity: 0.7; }
.vendor:nth-child(5n) { border-right: none; }
.vendor:nth-last-child(-n+5) { border-bottom: none; }

.wordmark--lg { font-size: 15px; }

/* ---------- featured ---------- */

.feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.feature:hover { transform: translateY(-4px); border-color: var(--line-strong); }

.feature__media { aspect-ratio: 4 / 3; overflow: hidden; }
.feature__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.feature:hover .feature__media img { transform: scale(1.05); }

.feature h3 { font-size: 18px; margin: 22px 24px 10px; }
.feature p { color: var(--muted); font-size: 14.5px; margin: 0 24px 26px; }

/* ---------- process ---------- */

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

.step {
  position: relative;
  padding: 30px 26px 34px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
}

.step__num {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.9;
}
.step h3 { font-size: 19px; margin: 20px 0 10px; }
.step p { color: var(--muted); font-size: 14.5px; }

/* ---------- about ---------- */

.about {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 72px;
  align-items: center;
}
.about__media img {
  border-radius: 18px;
  border: 1px solid var(--line);
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.about__copy p:not(.eyebrow) { color: var(--muted); margin-bottom: 20px; max-width: 520px; }
.about__copy .btn { margin-top: 10px; }

/* ---------- CTA ---------- */

.cta { text-align: center; }
.cta .section__title, .cta .section__sub { margin-left: auto; margin-right: auto; }
.cta__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }

.cta__contact {
  font-style: normal;
  color: var(--muted);
  font-size: 15px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta__contact a:hover { color: var(--accent); }

/* ---------- footer ---------- */

.footer { border-top: 1px solid var(--line); padding: 56px 0; }

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  flex-wrap: wrap;
}

.footer__logo {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.32em;
  font-size: 17px;
  margin-bottom: 10px;
}
.footer__tag { color: var(--muted); font-size: 13.5px; }

.footer__right { text-align: right; }
.footer__social {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  transition: color 0.2s ease;
  margin-bottom: 12px;
}
.footer__social:hover { color: var(--accent); }
.footer__social svg { width: 17px; height: 17px; }
.footer__copy { color: var(--muted); font-size: 13px; }

/* ---------- reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- responsive ---------- */

@media (max-width: 1020px) {
  .grid--featured { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .vendor-grid { grid-template-columns: repeat(3, 1fr); }
  .vendor:nth-child(5n) { border-right: 1px solid var(--line); }
  .vendor:nth-child(3n) { border-right: none; }
  .vendor:nth-last-child(-n+5) { border-bottom: 1px solid var(--line); }
  .vendor:nth-last-child(-n+3) { border-bottom: none; }
  .about { grid-template-columns: 1fr; gap: 44px; }
  .about__media img { aspect-ratio: 16 / 10; }
}

@media (max-width: 760px) {
  .section { padding: 88px 0; }
  .container, .nav__inner, .hero__content { padding-left: 22px; padding-right: 22px; }

  .nav__links, .nav__cta { display: none; }

  .nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
  }
  .nav__toggle span {
    width: 24px;
    height: 1.5px;
    background: var(--text);
    transition: transform 0.25s ease, opacity 0.25s ease;
  }
  .nav__toggle.is-open span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .nav__toggle.is-open span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

  .nav__mobile {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 12px 22px 28px;
    background: rgba(6, 7, 9, 0.96);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
  }
  .nav__mobile.is-open { display: flex; }
  .nav__mobile a {
    padding: 14px 0;
    font-family: var(--font-display);
    font-size: 16px;
    border-bottom: 1px solid var(--line);
  }
  .nav__mobile .btn { margin-top: 18px; border-bottom: none; justify-content: center; }

  .grid--featured { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .vendor-grid { grid-template-columns: repeat(2, 1fr); }
  .vendor { padding: 26px 12px; }
  .vendor:nth-child(3n) { border-right: 1px solid var(--line); }
  .vendor:nth-child(2n) { border-right: none; }
  .footer__right { text-align: left; }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__frame { animation: none; }
  .hero__frame--1 { opacity: 1; }
  .hero__canvas { display: none; }
  .marquee__track { animation: none; flex-wrap: wrap; width: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}