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

:root {
  --color-bg:        #0f1117;
  --color-surface:   #1a1d27;
  --color-border:    #2a2d3a;
  --color-accent:    #4f8ef7;
  --color-accent-2:  #a78bfa;
  --color-text:      #e8eaf0;
  --color-muted:     #8b90a7;
  --color-badge-bg:  rgba(79, 142, 247, 0.15);
  --color-badge-fg:  #4f8ef7;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-card: 20px;
  --radius-btn:  10px;
  --shadow-card: 0 24px 64px rgba(0, 0, 0, 0.55);
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

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

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ── Nav ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav__logo {
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__links a {
  font-size: 0.9rem;
  color: var(--color-muted);
  transition: color 0.2s;
}
.nav__links a:hover { color: var(--color-text); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-btn);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s, transform 0.15s;
}
.btn:hover  { opacity: 0.88; }
.btn:active { transform: scale(0.97); }

.btn--sm {
  font-size: 0.85rem;
  padding: 0.45rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--primary {
  font-size: 1rem;
  padding: 0.85rem 1.75rem;
  background: var(--color-accent);
  color: #fff;
  white-space: nowrap;
}

/* ── Hero ── */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem 4rem;
}

.hero__card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  max-width: 960px;
  width: 100%;
  overflow: hidden;
}

/* ── Hero Image ── */
.hero__image-wrap {
  position: relative;
  height: 100%;
  min-height: 420px;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--color-badge-bg);
  color: var(--color-badge-fg);
  border: 1px solid rgba(79, 142, 247, 0.35);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.8rem;
  border-radius: 100px;
  backdrop-filter: blur(6px);
}

/* ── Hero Body ── */
.hero__body {
  padding: 3rem 3rem 3rem 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero__eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero__headline {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

.hero__accent {
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-muted);
  max-width: 38ch;
}

.hero__form {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.hero__input {
  flex: 1 1 200px;
  padding: 0.85rem 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  color: var(--color-text);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.2s;
}
.hero__input:focus { border-color: var(--color-accent); }
.hero__input::placeholder { color: var(--color-muted); }

.hero__disclaimer {
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* ── Footer ── */
.footer {
  text-align: center;
  padding: 1.5rem;
  font-size: 0.82rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
}

/* ── Responsive ── */
@media (max-width: 680px) {
  .hero__card {
    grid-template-columns: 1fr;
  }

  .hero__image-wrap {
    min-height: 300px;
  }

  .hero__body {
    padding: 2rem;
  }

  .nav__links li:first-child {
    display: none;
  }
}