/* ═══════════════════════════════════════════════════
   OASIS19 — Landing Page Styles
   style.css
═══════════════════════════════════════════════════ */

/* ── TOKENS ───────────────────────────────────────── */
:root {
  --purple:      #3D1F8C;
  --purple-md:   #5B2FBE;
  --purple-lt:   #7B52D4;
  --purple-tint: #F0EEFF;
  --orange:      #E8620A;
  --orange-lt:   #FF7A20;
  --orange-tint: #FFF3EB;
  --ink:         #1A1028;
  --ink2:        #5A4F72;
  --ink3:        #9589B0;
  --bg:          #FAFAF8;
  --surface:     #FFFFFF;
  --border:      #E8E2F4;
  --shadow-sm:   0 1px 4px rgba(61,31,140,0.06);
  --shadow-md:   0 4px 20px rgba(61,31,140,0.10);
  --shadow-lg:   0 12px 40px rgba(61,31,140,0.13);
  --r-sm:  8px;
  --r-md:  14px;
  --r-lg:  20px;
  --r-xl:  28px;
}

/* ── RESET ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { max-width: 100%; }

/* ── TYPOGRAPHY ───────────────────────────────────── */
h1, h2, h3 { font-family: 'Syne', sans-serif; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }

/* ── BUTTONS ──────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px; border-radius: 100px;
  font-size: 0.9rem; font-weight: 700;
  transition: all 0.18s; cursor: pointer; border: none;
  font-family: 'DM Sans', sans-serif;
}
.btn-primary {
  background: linear-gradient(135deg, var(--purple), var(--purple-md));
  color: white;
  box-shadow: 0 2px 14px rgba(61,31,140,0.28);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 5px 22px rgba(61,31,140,0.38); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--ink2);
}
.btn-ghost:hover { border-color: var(--purple-lt); color: var(--purple); }
.btn-orange {
  background: linear-gradient(135deg, var(--orange), var(--orange-lt));
  color: white;
  box-shadow: 0 2px 14px rgba(232,98,10,0.28);
}
.btn-orange:hover { transform: translateY(-1px); box-shadow: 0 5px 22px rgba(232,98,10,0.38); }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-sm { padding: 7px 16px; font-size: 0.8rem; }

/* ── NAV ──────────────────────────────────────────── */
.nav {
  display: flex; align-items: center;
  padding: 18px 60px;
  justify-content: space-between;
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,250,248,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 800; font-size: 1.25rem;
  letter-spacing: -0.03em; color: var(--purple);
}
.nav-logo img { height: 32px; width: auto; }
.nav-logo-text span { color: var(--orange); }
.nav-links {
  display: flex; gap: 30px;
}
.nav-links a {
  font-size: 0.875rem; font-weight: 500;
  color: var(--ink2); transition: color 0.15s;
}
.nav-links a:hover { color: var(--purple); }
.nav-cta { display: flex; gap: 10px; align-items: center; }

/* ── HERO ─────────────────────────────────────────── */
.hero {
  max-width: 1120px; margin: 0 auto;
  padding: 90px 60px 80px;
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 64px; align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 20px;
  background: var(--orange-tint);
  padding: 6px 14px; border-radius: 100px;
  border: 1px solid rgba(232,98,10,0.2);
}
.hero-title {
  font-size: 3.4rem; margin-bottom: 22px; color: var(--ink);
}
.hero-title .hl-p { color: var(--purple); }
.hero-title .hl-o { color: var(--orange); }
.hero-sub {
  font-size: 1.05rem; line-height: 1.72;
  color: var(--ink2); margin-bottom: 36px;
  max-width: 460px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-note { margin-top: 14px; font-size: 0.78rem; color: var(--ink3); }
.hero-note span { color: var(--orange); font-weight: 600; }

/* HERO CARD STACK */
.hero-visual { position: relative; height: 440px; }
.hero-card {
  position: absolute;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 18px;
  box-shadow: var(--shadow-md);
  width: 300px;
  transition: transform 0.3s ease;
}
.hero-card:nth-child(1) { top: 0;    left: 10px; z-index: 3; transform: rotate(-2deg); }
.hero-card:nth-child(2) { top: 90px; left: 60px; z-index: 2; transform: rotate(1.5deg); }
.hero-card:nth-child(3) { top: 180px;left: 30px; z-index: 1; transform: rotate(-1deg); opacity: 0.85; }
.hero-card:hover { transform: rotate(0deg) translateY(-4px) !important; z-index: 10; }

.hc-head { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; }
.hc-av {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.82rem;
}
.hc-name { font-weight: 600; font-size: 0.875rem; }
.hc-chip {
  font-size: 0.65rem; font-weight: 700;
  padding: 2px 8px; border-radius: 100px;
  display: inline-block; margin-top: 2px;
}
.hc-body { font-size: 0.82rem; line-height: 1.6; color: var(--ink2); margin-bottom: 12px; }
.hc-acts { display: flex; gap: 6px; }
.hc-act {
  padding: 5px 10px; border-radius: 100px;
  background: var(--purple-tint);
  color: var(--ink2); font-size: 0.72rem;
}

/* ── MEANING (19) ─────────────────────────────────── */
.meaning {
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-md) 100%);
  padding: 90px 60px;
  text-align: center;
  position: relative; overflow: hidden;
}
.meaning::before {
  content: '19';
  position: absolute;
  font-family: 'Syne', sans-serif; font-weight: 800;
  font-size: 30rem; color: rgba(255,255,255,0.03);
  line-height: 1; top: -80px; left: 50%;
  transform: translateX(-50%);
  pointer-events: none; letter-spacing: -0.05em;
  white-space: nowrap;
}
.meaning-inner { max-width: 700px; margin: 0 auto; position: relative; z-index: 1; }
.meaning-label {
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: #FFBB80; margin-bottom: 16px;
}
.meaning-title { font-size: 2.6rem; color: white; margin-bottom: 20px; line-height: 1.15; }
.meaning-title span { color: #FFBB80; }
.meaning-body { font-size: 1rem; line-height: 1.78; color: rgba(255,255,255,0.72); max-width: 580px; margin: 0 auto; }
.meaning-pills { display: flex; gap: 10px; justify-content: center; margin-top: 28px; flex-wrap: wrap; }
.meaning-pill {
  padding: 8px 18px; border-radius: 100px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: white; font-size: 0.875rem; font-weight: 500;
}

/* ── FEATURES ─────────────────────────────────────── */
.features {
  max-width: 1120px; margin: 0 auto;
  padding: 100px 60px;
}
.section-eyebrow {
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 12px;
}
.section-title { font-size: 2.3rem; color: var(--ink); margin-bottom: 48px; }
.section-title span { color: var(--purple); }

.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.feature-card {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--r-lg); padding: 26px;
  transition: all 0.2s;
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-icon { font-size: 1.8rem; margin-bottom: 14px; display: block; }
.feature-title { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.98rem; margin-bottom: 8px; }
.feature-body { font-size: 0.86rem; line-height: 1.66; color: var(--ink2); }

/* ── OASIS TYPES ──────────────────────────────────── */
.oasis-types { background: var(--purple-tint); padding: 90px 60px; }
.oasis-types-inner { max-width: 1120px; margin: 0 auto; }
.oasis-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; margin-top: 40px; }
.oasis-type-card {
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--r-lg); padding: 22px;
  transition: all 0.2s; position: relative; overflow: hidden;
}
.oasis-type-card::before {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  border-radius: 3px 3px 0 0;
}
.otc-1::before { background: linear-gradient(90deg, var(--purple), var(--purple-lt)); }
.otc-2::before { background: linear-gradient(90deg, var(--orange), #FFB060); }
.otc-3::before { background: linear-gradient(90deg, #00B4A0, #40D4C4); }
.otc-4::before { background: linear-gradient(90deg, #1E64DC, #60A0FF); }
.otc-5::before { background: linear-gradient(90deg, #DC3278, #FF70B0); }
.otc-6::before { background: linear-gradient(90deg, #F5C842, #E8620A); }
.oasis-type-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.otc-emoji { font-size: 1.7rem; margin-bottom: 10px; display: block; }
.otc-name { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.92rem; margin-bottom: 6px; }
.otc-desc { font-size: 0.78rem; color: var(--ink2); line-height: 1.55; }

/* ── COMPARISON ───────────────────────────────────── */
.compare { max-width: 960px; margin: 0 auto; padding: 100px 60px; }
.compare-table {
  width: 100%; border-collapse: collapse;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--r-xl); overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.compare-table th {
  padding: 14px 18px; text-align: left;
  font-family: 'Syne', sans-serif; font-weight: 700;
  font-size: 0.82rem; border-bottom: 1.5px solid var(--border);
  color: var(--ink3);
}
.compare-table th.th-us { background: var(--purple-tint); color: var(--purple); }
.compare-table td {
  padding: 12px 18px; font-size: 0.85rem;
  border-bottom: 1px solid var(--border); color: var(--ink2);
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table td:first-child { font-weight: 500; color: var(--ink2); }
.compare-table td.us { background: rgba(240,238,255,0.4); color: var(--purple); font-weight: 600; }
.chk { color: #00B4A0; }
.crs { color: var(--ink3); }
.prt { color: var(--orange); }

/* ── CTA ──────────────────────────────────────────── */
.cta {
  text-align: center; padding: 100px 60px;
  background: linear-gradient(135deg, #F8F5FF 0%, #FFF8F4 100%);
}
.cta-title { font-size: 2.8rem; color: var(--ink); margin-bottom: 16px; }
.cta-title span { color: var(--purple); }
.cta-sub { font-size: 1rem; color: var(--ink2); line-height: 1.65; max-width: 480px; margin: 0 auto 36px; }
.cta-form { display: flex; gap: 10px; max-width: 440px; margin: 0 auto; }
.cta-input {
  flex: 1; padding: 12px 20px; border-radius: 100px;
  border: 1.5px solid var(--border); font-size: 0.9rem;
  outline: none; font-family: 'DM Sans', sans-serif;
  transition: border-color 0.2s; color: var(--ink);
  background: var(--surface);
}
.cta-input:focus { border-color: var(--purple-lt); box-shadow: 0 0 0 3px rgba(91,47,190,0.1); }
.cta-input::placeholder { color: var(--ink3); }
.cta-note { margin-top: 14px; font-size: 0.75rem; color: var(--ink3); }

/* ── FOOTER ───────────────────────────────────────── */
.footer {
  padding: 36px 60px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.8rem; color: var(--ink3);
}
.footer-logo {
  display: flex; align-items: center; gap: 8px;
  font-family: 'Syne', sans-serif; font-weight: 700;
  font-size: 1rem; color: var(--purple);
}
.footer-logo img { height: 22px; }
.footer-logo span { color: var(--orange); }
.footer-links { display: flex; gap: 22px; }
.footer-links a:hover { color: var(--ink2); }

/* ── TOAST NOTIFICATION ───────────────────────────── */
.toast {
  position: fixed; bottom: 28px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--ink); color: white;
  padding: 12px 24px; border-radius: 100px;
  font-size: 0.875rem; font-weight: 500;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease;
  z-index: 1000; pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ── RESPONSIVE ───────────────────────────────────── */
@media (max-width: 960px) {
  .nav { padding: 16px 24px; }
  .nav-links { display: none; }
  .hero { grid-template-columns: 1fr; padding: 60px 24px; gap: 48px; }
  .hero-title { font-size: 2.4rem; }
  .hero-visual { height: 280px; }
  .hero-card { width: 240px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .oasis-grid { grid-template-columns: 1fr 1fr; }
  .meaning { padding: 60px 24px; }
  .meaning-title { font-size: 2rem; }
  .features, .compare, .cta, .oasis-types { padding: 60px 24px; }
  .footer { flex-direction: column; gap: 16px; text-align: center; padding: 28px 24px; }
  .cta-form { flex-direction: column; }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .oasis-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 2rem; }
  .section-title { font-size: 1.8rem; }
  .cta-title { font-size: 2rem; }
  .compare { overflow-x: auto; }
}