/* HeyData — layout. Mobile-first. */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container-narrow { max-width: 860px; }

/* ---- nav ---- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg-deep) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-micro) var(--ease-out), background var(--dur-micro) var(--ease-out);
}
.nav.is-stuck {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--bg-deep) 94%, transparent);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 76px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.logo span { color: var(--accent); }
.logo:hover { text-decoration: none; }

.nav-links { display: none; }
.nav .nav-cta { display: none; }   /* .btn se jeetne ke liye specificity */
.nav-cta-li { padding: var(--space-4) 0 var(--space-2); }
.nav-cta-li a { display: inline-flex; }

.nav-toggle { width: 40px; height: 40px; position: relative; }
.nav-toggle::before, .nav-toggle::after {
  content: '';
  position: absolute; left: 9px; right: 9px; height: 1.5px;
  background: var(--ink);
  transition: transform var(--dur-micro) var(--ease-out);
}
.nav-toggle::before { top: 16px; }
.nav-toggle::after  { top: 23px; }
.nav-toggle[aria-expanded="true"]::before { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"]::after  { transform: translateY(-3.5px) rotate(-45deg); }

.nav-links.is-open {
  display: flex;
  flex-direction: column;
  position: absolute;
  inset: 76px 0 auto 0;
  padding: var(--space-2) var(--gutter) var(--space-6);
  background: var(--bg-panel);
  border-bottom: 1px solid var(--line);
}
.nav-links a {
  display: block;
  padding: var(--space-3) 0;
  font-size: var(--fs-small);
  color: var(--ink-dim);
  border-bottom: 1px solid var(--line);
}
.nav-links a:hover { color: var(--accent); text-decoration: none; }

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

.section {
  padding-block: var(--space-16);
  position: relative;
}
.section::before {
  content: '';
  position: absolute;
  top: 0; left: var(--gutter); right: var(--gutter);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 20%, var(--line) 80%, transparent);
}
.section-head { margin-bottom: var(--space-12); }

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

.hero {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: flex;
  align-items: flex-start;
  padding-block: calc(76px + var(--space-16)) var(--space-16);
}
@media (min-width: 960px) {
  /* bade screens pe visually center karo, lekin kabhi overflow-clip nahi hone dena —
     'safe' fallback na hone ki soorat mein bhi flex-start hi jeetega agar content lamba ho */
  .hero { align-items: safe center; }
}
.hero::before {
  content: '';
  position: absolute; inset: 0; z-index: -2;
  /* ek hi confident glow, warna busy ho jaata hai */
  background:
    radial-gradient(52% 46% at 22% 8%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 72%),
    radial-gradient(40% 40% at 90% 70%, color-mix(in srgb, var(--accent) 6%, transparent), transparent 75%);
}
.hero::after {
  content: '';
  position: absolute; inset: 0; z-index: -2;
  background-image: radial-gradient(color-mix(in srgb, var(--line) 80%, transparent) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(65% 55% at 30% 40%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(65% 55% at 30% 40%, #000 0%, transparent 75%);
  opacity: .35;
  pointer-events: none;
}
.hero > .container { position: relative; z-index: 1; }

.hero-ambient { display: none; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: var(--space-3); }

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

.about-grid, .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

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

.footer {
  margin-top: var(--space-16);
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  background: var(--bg-panel);
  padding-block: var(--space-16) var(--space-8);
  font-size: var(--fs-small);
  color: var(--ink-faint);
}
.footer-inner { display: grid; gap: var(--space-4); }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-6); }
.footer-links a { color: var(--ink-dim); }

/* ============ 768px+ ============ */
@media (min-width: 768px) {
  .section { padding-block: var(--space-24); }
  .about-grid   { grid-template-columns: 1.25fr 1fr; gap: var(--space-16); }
  .contact-grid { grid-template-columns: 1.35fr 1fr; gap: var(--space-16); }
  .footer-inner { grid-template-columns: 1fr auto; align-items: center; }
}

/* ============ 960px+ ============ */
@media (min-width: 960px) {
  .nav-toggle { display: none; }
  .nav-links {
    display: flex;
    gap: var(--space-8);
    position: static; padding: 0; background: none; border: 0;
  }
  .nav-links a { border: 0; padding: var(--space-2) 0; }
  .nav .nav-cta { display: inline-flex; }
  .nav-cta-li { display: none; }
  .hero-grid { grid-template-columns: 1fr 1fr; gap: var(--space-12); }
}

/* ============ 1240px+ ============ */
@media (min-width: 1240px) {
  .hero-grid { grid-template-columns: .95fr 1.15fr; gap: var(--space-16); }
}