/* ============================================================
   ScreenImmos — Base: reset, typography, buttons, nav, footer
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: clip; }

body {
  margin: 0;
  overflow-wrap: break-word;
  font-family: var(--font);
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

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

h1, h2, h3, h4, p { margin: 0; }

h1 {
  font-size: var(--text-h1);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink-strong);
}

h2 {
  font-size: var(--text-h2);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--ink-strong);
}

h3 {
  font-size: var(--text-h3);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--ink-strong);
}

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

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

section { padding-block: calc(var(--space-section) / 2); }

.lead { font-size: var(--text-lead); line-height: 1.6; color: var(--muted); }
.muted { color: var(--muted); }

.grad-text {
  background: var(--grad-intel);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.c-teal { color: var(--teal); }
.c-blue { color: var(--blue); }
.c-coral { color: var(--coral); }

/* Eyebrow label above headings */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-label);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-deep);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-intel);
}

/* Pill-style eyebrow (hero) */
.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-card);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-strong);
}
.eyebrow-pill .pill-spark {
  background: var(--grad-intel);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Section header block */
.section-head { max-width: 820px; margin-bottom: var(--space-inner); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head .eyebrow { margin-bottom: 1.1rem; }
.section-head p { margin-top: 1.1rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  height: 52px;
  padding-inline: 1.85rem;
  border: 0;
  border-radius: var(--radius-pill);
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              background-position var(--duration-normal) var(--ease-out);
}

.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--coral) 20%, var(--coral-soft) 50%, var(--coral) 80%);
  background-size: 200% 100%;
  background-position: 0% 0%;
  box-shadow: var(--shadow-cta);
}
.btn-primary:hover { background-position: 100% 0%; transform: translateY(-2px); box-shadow: var(--shadow-cta-hover); }
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  color: var(--ink-strong);
  background: transparent;
  box-shadow: inset 0 0 0 1.5px var(--border);
}
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--ink); transform: translateY(-2px); }

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--ink-strong);
}
.btn-link .icon-circle { transition: transform var(--duration-fast) var(--ease-out); }
.btn-link:hover .icon-circle { transform: scale(1.06); }

.icon-circle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-card), inset 0 0 0 1.5px var(--border);
  font-size: 0.8rem;
}
.icon-circle.play::after {
  content: "";
  width: 0; height: 0;
  border-left: 11px solid var(--ink-strong);
  border-top: 6.5px solid transparent;
  border-bottom: 6.5px solid transparent;
  margin-left: 3px;
}

.btn:focus-visible, a:focus-visible, summary:focus-visible, button:focus-visible {
  outline: 2.5px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}
.btn:focus-visible { border-radius: var(--radius-pill); }

/* ---------- Generic card ---------- */
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background-color var(--duration-normal), border-color var(--duration-normal), box-shadow var(--duration-normal);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  border-bottom-color: var(--border-soft);
  box-shadow: 0 6px 24px rgba(16, 18, 47, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 78px;
  transition: height var(--duration-normal) var(--ease-out);
}
.site-header.is-scrolled .nav { height: 66px; }

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-strong);
}
.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--grad-full);
  position: relative;
  flex: none;
}
.logo-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 12px;
  height: 12px;
  background: #fff;
  clip-path: polygon(0 100%, 50% 0, 100% 100%, 78% 100%, 50% 38%, 22% 100%);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.9rem;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}
.nav-links a {
  position: relative;
  padding-block: 0.3rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
  transition: color var(--duration-fast);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-intel);
  transition: right var(--duration-normal) var(--ease-out);
}
.nav-links a:hover { color: var(--ink-strong); }
.nav-links a:hover::after { right: 0; }

.nav-actions { display: flex; align-items: center; gap: 1.4rem; }
.nav-login { font-size: 0.95rem; font-weight: 700; color: var(--ink-strong); }
.nav-actions .btn { height: 44px; padding-inline: 1.4rem; font-size: 0.95rem; }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-burger span { width: 18px; height: 2px; border-radius: 2px; background: var(--ink-strong); transition: transform var(--duration-fast), opacity var(--duration-fast); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--border-soft);
  padding-block: 4.5rem 2.5rem;
  font-size: 0.92rem;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 2.8rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.8rem;
}
.footer-social { display: flex; gap: 0.7rem; }
.footer-social a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  transition: transform var(--duration-fast), color var(--duration-fast), border-color var(--duration-fast);
}
.footer-social a:hover { transform: translateY(-2px); color: var(--ink-strong); border-color: var(--ink); }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 720px;
  margin-bottom: 3rem;
}
.footer-cols h4 {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-strong);
  margin-bottom: 1rem;
}
.footer-cols ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.65rem; }
.footer-cols a { color: var(--muted); transition: color var(--duration-fast); overflow-wrap: anywhere; }
.footer-cols a:hover { color: var(--ink-strong); }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--faint);
}
.footer-legal nav { display: flex; gap: 1.5rem; }
.footer-legal a:hover { color: var(--ink-strong); }

/* ---------- Hero load-in ---------- */
.hero-in {
  opacity: 0;
  animation: hero-in 0.7s var(--ease-out) forwards;
  animation-delay: var(--in-delay, 0ms);
}
@keyframes hero-in {
  from { opacity: 0; transform: translateY(24px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.slide-right { transform: translateX(40px); }
.reveal.slide-left { transform: translateX(-40px); }
.reveal.scale-in { transform: translateY(20px) scale(0.96); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal, .hero-in { opacity: 1; transform: none; animation: none; }
}

/* ---------- Responsive: nav + footer ---------- */
@media (max-width: 900px) {
  .nav-links, .nav-login { display: none; }
  .nav-burger { display: inline-flex; }
  .nav { gap: 1rem; }
  .nav-actions { margin-left: auto; }

  .nav-links.is-open {
    display: grid;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    padding: 1.4rem var(--gutter) 1.8rem;
    gap: 1.1rem;
    background: #fff;
    border-bottom: 1px solid var(--border);
    border-radius: 0 0 24px 24px;
    box-shadow: var(--shadow-float);
  }
  .nav-links.is-open a { font-size: 1.05rem; color: var(--ink-strong); }
  .nav-links.is-open a::after { display: none; }

  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .nav-actions .btn { display: none; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-legal { flex-direction: column; align-items: flex-start; }
  .footer-cols { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .reveal.slide-right,
  .reveal.slide-left {
    transform: translateY(22px);
  }
}