/* ══════════════════════════════════════════
   VS Dev Studio — Landing v4 "The Brief"
   Single-scroll editorial · Dark/Light sections
   ══════════════════════════════════════════ */

/* ── Design tokens ── */
:root {
  /* Dark sections */
  --dark-bg:      #0D1117;
  --dark-bg-2:    #161B22;
  --dark-fg:      #E6EDF3;
  --dark-fg-soft: #8B949E;
  --dark-border:  rgba(255,255,255,.08);

  /* Light sections */
  --light-bg:     #FFFFFF;
  --light-bg-alt: #F6F5F2;
  --light-fg:     #0D1117;
  --light-fg-soft:#57606A;
  --light-fg-faint:#8B949E;
  --light-border: #D0D7DE;

  /* Accent */
  --coral:        #F03D1C;
  --coral-hover:  #D42D0E;
  --coral-glow:   rgba(240,61,28,.25);

  /* Layout */
  --max-w:        1080px;
  --pad-x:        clamp(20px, 5vw, 64px);
  --section-py:   clamp(64px, 8vw, 112px);

  /* Legacy aliases */
  --canvas: var(--light-bg-alt);
  --ink: var(--light-fg);
  --muted: var(--light-fg-soft);
  --surface: var(--light-bg);
  --line: var(--light-border);
  --accent: var(--coral);
  --accent-dark: var(--coral-hover);
  --fire: var(--coral);
  --fire-dark: var(--coral-hover);
  --fire-glow: var(--coral-glow);
  --shadow: 0 12px 40px rgba(0,0,0,.12);
  --emerald: #4CAF82;
  --emerald-dim: rgba(76,175,130,.15);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--dark-bg);
  color: var(--dark-fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
[hidden] { display: none !important; }
button, input, select, textarea { font: inherit; }
button { color: inherit; cursor: pointer; }
a { color: inherit; }
img { max-width: 100%; }

/* ── Site header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 var(--pad-x);
  background: rgba(13,17,23,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--dark-border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: .95rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -.01em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: #fff;
  color: #0D1117;
  font-size: .8rem;
  font-weight: 800;
}

.lang-picker {
  display: flex;
  gap: 2px;
  background: rgba(255,255,255,.08);
  border-radius: 8px;
  padding: 3px;
}

.lang-btn {
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--dark-fg-soft);
  font-size: .78rem;
  font-weight: 600;
  padding: 5px 11px;
  transition: background 120ms ease, color 120ms ease;
}

.lang-btn.is-active,
.lang-btn[aria-pressed="true"] {
  background: var(--coral);
  color: #fff;
}

/* ── Section shared ── */
.section-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: var(--section-py) var(--pad-x);
}

.section-eyebrow {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--coral);
  margin: 0 0 16px;
}

.section-headline {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.75rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 0 0 20px;
}

.section-lead {
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.65;
  max-width: 640px;
  margin: 0 0 48px;
}

/* ──────────────────────────────
   1. HERO (dark)
────────────────────────────── */
.s-hero {
  background: var(--dark-bg);
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px var(--pad-x) 0;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-inner { padding-bottom: 48px; }

.avail-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--dark-fg-soft);
  letter-spacing: .04em;
  margin: 0 0 28px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4CAF82;
  box-shadow: 0 0 0 3px rgba(76,175,130,.2);
  flex-shrink: 0;
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(76,175,130,.2); }
  50%       { box-shadow: 0 0 0 7px rgba(76,175,130,.06); }
}

.hero-headline {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.03em;
  color: #fff;
  margin: 0 0 24px;
  max-width: 780px;
}

.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.65;
  color: var(--dark-fg-soft);
  max-width: 560px;
  margin: 0 0 40px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  background: var(--coral);
  color: #fff;
  border-radius: 50px;
  font-weight: 700;
  font-size: .95rem;
  text-decoration: none;
  transition: background 130ms ease, transform 100ms ease, box-shadow 130ms ease;
  box-shadow: 0 4px 24px var(--coral-glow);
}
.cta-primary:hover { background: var(--coral-hover); transform: translateY(-1px); }
.cta-primary:active { transform: scale(.97); }

.cta-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50px;
  color: var(--dark-fg);
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  transition: border-color 130ms ease, background 130ms ease;
}
.cta-ghost:hover { border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.06); }

.cta-link {
  font-weight: 600;
  color: var(--coral);
  text-decoration: none;
  font-size: .95rem;
}
.cta-link:hover { opacity: .8; }

/* Android download badge */
.android-dl-wrap {
  margin-top: 8px;
}
.cta-android-dl {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50px;
  color: rgba(255,255,255,.65);
  font-size: .82rem;
  font-weight: 500;
  text-decoration: none;
  background: rgba(255,255,255,.04);
  transition: border-color 130ms ease, color 130ms ease, background 130ms ease;
  letter-spacing: .01em;
}
.cta-android-dl:hover {
  border-color: rgba(255,255,255,.35);
  color: #fff;
  background: rgba(255,255,255,.09);
}
.cta-android-dl svg { flex-shrink: 0; }

.hero-stats {
  display: flex;
  align-items: center;
  border-top: 1px solid var(--dark-border);
  padding: 32px 0;
  flex-wrap: wrap;
  gap: 0;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-right: 32px;
}

.stat-item strong {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  line-height: 1;
  letter-spacing: -.03em;
}

.stat-item span {
  font-size: .78rem;
  color: var(--dark-fg-soft);
  font-weight: 500;
}

.stat-sep {
  width: 1px;
  height: 36px;
  background: var(--dark-border);
  margin-right: 32px;
  flex-shrink: 0;
}

/* ──────────────────────────────
   2. PAIN (white)
────────────────────────────── */
.s-pain {
  background: var(--light-bg);
  color: var(--light-fg);
  display: flex;
  align-items: center;
  min-height: 100svh;
}

.s-pain .section-eyebrow { color: var(--coral); }
.s-pain .section-headline { color: var(--light-fg); }

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 36px 0 32px;
}

.pain-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px;
  border: 1.5px solid #F5DBD5;
  border-radius: 12px;
  background: #FDF6F4;
}

.pain-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: #FAEAE6;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--coral);
}

.pain-card p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.5;
  color: var(--light-fg-soft);
  font-weight: 500;
}

.pain-bridge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 28px;
  background: var(--light-bg-alt);
  border-radius: 12px;
  flex-wrap: wrap;
}

.pain-bridge p {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--light-fg);
  max-width: 520px;
  line-height: 1.45;
}

/* ──────────────────────────────
   3. BUILDS (dark)
────────────────────────────── */
.s-builds {
  background: var(--dark-bg);
  color: var(--dark-fg);
  display: flex;
  align-items: center;
  min-height: 100svh;
}
.s-builds .section-headline { color: #fff; }

.builds-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 36px;
}

.build-card {
  background: var(--dark-bg-2);
  border: 1px solid var(--dark-border);
  border-radius: 14px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 200ms ease, transform 200ms ease;
}

.build-card:hover { border-color: rgba(240,61,28,.4); transform: translateY(-3px); }

.build-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.build-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: .72rem;
  font-weight: 700;
  color: var(--coral);
  letter-spacing: .08em;
}

.build-icon {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  background: rgba(240,61,28,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--coral);
}

.build-card h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
  line-height: 1.3;
}

.build-card p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.6;
  color: var(--dark-fg-soft);
}

.build-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
}

.build-tags li {
  padding: 4px 11px;
  border-radius: 20px;
  border: 1px solid var(--dark-border);
  font-size: .7rem;
  font-weight: 600;
  color: var(--dark-fg-soft);
}

/* ──────────────────────────────
   4. PROCESS (off-white)
────────────────────────────── */
.s-process {
  background: var(--light-bg-alt);
  color: var(--light-fg);
  display: flex;
  align-items: center;
  min-height: 100svh;
}

.s-process .section-eyebrow { color: var(--coral); }
.s-process .section-headline { color: var(--light-fg); }
.s-process .section-lead { color: var(--light-fg-soft); }

.process-track {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 48px;
}

.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-right: 32px;
}

.step-num {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--coral);
  line-height: 1;
  letter-spacing: -.04em;
  margin-bottom: 4px;
}

.step h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--light-fg);
  margin: 0;
  line-height: 1.3;
}

.step p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.6;
  color: var(--light-fg-soft);
}

.step-connector {
  font-size: 1.5rem;
  color: #C8CDD2;
  flex-shrink: 0;
  margin-top: 18px;
  padding: 0 4px;
  line-height: 1;
}

/* ──────────────────────────────
   5. CONTACT (dark)
────────────────────────────── */
.s-contact {
  background: var(--dark-bg);
  color: var(--dark-fg);
  display: flex;
  align-items: center;
  min-height: 100svh;
}

.contact-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: var(--section-py) var(--pad-x);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 72px;
  align-items: start;
}

.contact-copy .section-eyebrow { color: var(--coral); margin-bottom: 16px; }

.contact-headline {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.03em;
  color: #fff;
  margin: 0 0 20px;
}

.contact-sub {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--dark-fg-soft);
  margin: 0 0 32px;
}

.contact-trust {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-trust li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .875rem;
  color: var(--dark-fg-soft);
}

.contact-trust li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(76,175,130,.12);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%234CAF82' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px;
}

/* ── Form ── */
.lead-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field > span:first-child {
  font-size: .78rem;
  font-weight: 600;
  color: var(--dark-fg-soft);
}

.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--dark-bg-2);
  border: 1px solid var(--dark-border);
  border-radius: 9px;
  color: var(--dark-fg);
  font-size: 16px;
  line-height: 1.5;
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.field input:focus,
.field textarea:focus {
  border-color: rgba(240,61,28,.5);
  box-shadow: 0 0 0 3px rgba(240,61,28,.1);
}

.field textarea { resize: vertical; min-height: 100px; }

.cta-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  background: var(--coral);
  color: #fff;
  border: 0;
  border-radius: 10px;
  font-weight: 700;
  font-size: 1rem;
  width: 100%;
  cursor: pointer;
  transition: background 130ms ease, transform 100ms ease;
  box-shadow: 0 4px 20px var(--coral-glow);
}
.cta-submit:hover { background: var(--coral-hover); }
.cta-submit:active { transform: scale(.98); }
.cta-submit:disabled { opacity: .6; cursor: wait; }

.form-note {
  margin: 0;
  font-size: .75rem;
  color: var(--dark-fg-soft);
  text-align: center;
}

.form-error {
  margin: 0;
  font-size: .82rem;
  color: #f87171;
  text-align: center;
}

/* ── Success state ── */
.success-state {
  text-align: center;
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(76,175,130,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #4CAF82;
  margin-bottom: 4px;
}

.success-state h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}

.success-state p {
  color: var(--dark-fg-soft);
  font-size: .9rem;
  margin: 0;
}

/* ── RTL ── */
[data-lang="he"] { font-family: 'Heebo', 'DM Sans', sans-serif; }
[dir="rtl"] .step { padding-right: 0; padding-left: 32px; }
[dir="rtl"] .stat-item { padding-right: 0; padding-left: 32px; }
[dir="rtl"] .stat-sep { margin-right: 0; margin-left: 32px; }
[dir="rtl"] .step-connector { transform: scaleX(-1); }

/* ── Responsive ── */
@media (max-width: 900px) {
  .pain-grid  { grid-template-columns: 1fr 1fr; }
  .builds-grid { grid-template-columns: 1fr 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .stat-sep { display: none; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .stat-item { padding-right: 0; }
}

@media (max-width: 640px) {
  .pain-grid  { grid-template-columns: 1fr; }
  .builds-grid { grid-template-columns: 1fr; }
  .process-track { flex-direction: column; gap: 32px; }
  .step { padding-right: 0; padding-left: 0; }
  .step-connector { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .hero-headline { font-size: 2rem; }
  .pain-bridge { flex-direction: column; align-items: flex-start; gap: 16px; }
}