/* ══════════════════════════════════════════
   VARIABLES
══════════════════════════════════════════ */
:root {
  --bg:           #09101f;
  --bg-2:         #0f172a;
  --bg-3:         #111827;
  --card:         rgba(13, 20, 38, 0.8);
  --primary:      #6366f1;
  --primary-dk:   #4f46e5;
  --primary-lt:   rgba(99, 102, 241, 0.12);
  --primary-glow: rgba(99, 102, 241, 0.32);
  --blue:         #3b82f6;
  --purple:       #8b5cf6;
  --cyan:         #06b6d4;
  --green:        #10b981;
  --amber:        #f59e0b;
  --text:         #f0f4ff;
  --text-2:       #c4cfe8;
  --text-3:       #4b5a7a;
  --border:       rgba(255, 255, 255, 0.055);
  --border-glow:  rgba(99, 102, 241, 0.3);
  --nav-h:        70px;
  --ease:         cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out:     cubic-bezier(0, 0, 0.2, 1);
  --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ══════════════════════════════════════════
   RESET
══════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  opacity: 0;
  transition: opacity 0.55s var(--ease-out);
}

body.loaded {
  opacity: 1;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
svg { display: block; flex-shrink: 0; }

/* ══════════════════════════════════════════
   UTILITIES
══════════════════════════════════════════ */
.gr-text {
  background: linear-gradient(130deg, #c7d2fe 0%, #818cf8 40%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ══════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════ */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 1000;
}

.nav-bg {
  position: absolute;
  inset: 0;
  background: rgba(9, 16, 31, 0.72);
  backdrop-filter: blur(28px) saturate(1.4);
  -webkit-backdrop-filter: blur(28px) saturate(1.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.nav.scrolled .nav-bg {
  background: rgba(9, 16, 31, 0.94);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04), 0 4px 24px rgba(0, 0, 0, 0.35);
}

.nav-inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.4px;
  color: var(--text);
  flex-shrink: 0;
  transition: opacity 0.2s;
}

.nav-logo:hover { opacity: 0.85; }

.logo-box {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--blue) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  box-shadow: 0 4px 14px var(--primary-glow);
  flex-shrink: 0;
}

.logo-box-sm {
  width: 30px;
  height: 30px;
  font-size: 0.9rem;
}

.nav-logo-sm {
  font-size: 0.98rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  flex: 1;
}

.nav-links a {
  padding: 0.42rem 0.78rem;
  font-size: 0.845rem;
  font-weight: 500;
  color: var(--text-3);
  border-radius: 8px;
  transition: color 0.18s var(--ease), background 0.18s var(--ease);
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.055);
}

.nav-links a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
}

.nav-auth {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
  flex-shrink: 0;
}

.nav-ghost {
  padding: 0.46rem 1rem;
  font-size: 0.845rem;
  font-weight: 600;
  color: var(--text-2);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: transparent;
  transition: all 0.2s var(--ease);
}

.nav-ghost:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
}

.nav-cta {
  padding: 0.48rem 1.1rem;
  font-size: 0.845rem;
  font-weight: 600;
  color: #fff;
  border-radius: 8px;
  background: var(--primary);
  border: 1px solid rgba(255, 255, 255, 0.12);
  position: relative;
  overflow: hidden;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.nav-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.1), transparent);
  pointer-events: none;
}

.nav-cta:hover {
  background: var(--primary-dk);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

/* ── Hamburger ── */
.ham {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 7px;
  border-radius: 9px;
  cursor: pointer;
  transition: background 0.18s;
}

.ham:hover { background: rgba(255, 255, 255, 0.06); }

.ham span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-3);
  border-radius: 2px;
  transition: all 0.32s var(--ease);
}

.ham.open span:nth-child(1) { transform: translateY(7px) rotate(45deg);  background: var(--text-2); }
.ham.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.ham.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--text-2); }

/* ── Mobile menu ── */
.mob-menu {
  display: none;
  position: fixed;
  inset: var(--nav-h) 0 auto 0;
  background: rgba(7, 12, 24, 0.97);
  backdrop-filter: blur(28px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  flex-direction: column;
  padding: 0.75rem 1.75rem 2rem;
  z-index: 998;
}

.mob-menu.open { display: flex; }

.mob-menu a {
  padding: 0.875rem 0.25rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.mob-menu a:hover { color: var(--text); padding-left: 0.5rem; }
.mob-menu a:last-child { border: none; color: #a5b4fc; font-weight: 700; margin-top: 0.5rem; }

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

/* Aurora blobs */
.blob {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform;
}

.b1 {
  width: 780px; height: 780px;
  background: radial-gradient(circle at 40% 50%, rgba(99, 102, 241, 0.52) 0%, transparent 60%);
  filter: blur(85px);
  top: -240px; left: -280px;
  animation: a1 17s ease-in-out infinite alternate;
}

.b2 {
  width: 620px; height: 620px;
  background: radial-gradient(circle at 60% 50%, rgba(59, 130, 246, 0.46) 0%, transparent 60%);
  filter: blur(80px);
  top: 80px; right: -200px;
  animation: a2 13s ease-in-out infinite alternate;
}

.b3 {
  width: 500px; height: 500px;
  background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.4) 0%, transparent 60%);
  filter: blur(75px);
  bottom: -80px; left: 32%;
  animation: a3 19s ease-in-out infinite alternate;
}

.b4 {
  width: 350px; height: 350px;
  background: radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.3) 0%, transparent 60%);
  filter: blur(60px);
  bottom: 15%; right: 18%;
  animation: a4 11s ease-in-out infinite alternate;
}

@keyframes a1 { to { transform: translate(75px,  95px) scale(1.14); } }
@keyframes a2 { to { transform: translate(-58px, 70px) scale(0.88); } }
@keyframes a3 { to { transform: translate(48px, -65px) scale(1.1);  } }
@keyframes a4 { to { transform: translate(-35px, 45px) scale(1.06); } }

.dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.hero-fade {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 220px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
  z-index: 2;
}

.hero-wrap {
  position: relative;
  z-index: 3;
  max-width: 1200px;
  margin: 0 auto;
  padding: 5.5rem 2rem 9rem;
  display: grid;
  grid-template-columns: 54% 1fr;
  gap: 4.5rem;
  align-items: center;
  width: 100%;
}

/* ── Hero Content ── */
.h-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.22);
  color: #a5b4fc;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.015em;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.75rem;
  animation: up 0.8s var(--ease) both;
}

.bdot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  animation: blink 2.5s ease-in-out infinite;
}

.h-title {
  font-size: clamp(2.5rem, 4.6vw, 4rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -2.5px;
  color: var(--text);
  margin-bottom: 1.4rem;
  animation: up 0.8s 0.08s var(--ease) both;
}

.h-sub {
  font-size: 1.05rem;
  color: var(--text-3);
  line-height: 1.88;
  max-width: 490px;
  margin-bottom: 2.25rem;
  animation: up 0.8s 0.16s var(--ease) both;
}

.h-btns {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 2.75rem;
  animation: up 0.8s 0.24s var(--ease) both;
}

.h-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  animation: up 0.8s 0.32s var(--ease) both;
}

.h-stat strong {
  display: block;
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.7px;
  color: var(--text);
  line-height: 1;
  margin-bottom: 0.18rem;
}

.h-stat span {
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--text-3);
}

.vsep {
  width: 1px;
  height: 36px;
  background: rgba(255, 255, 255, 0.07);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.76rem 1.55rem;
  border-radius: 11px;
  font-size: 0.94rem;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all 0.22s var(--ease);
  white-space: nowrap;
  letter-spacing: -0.1px;
  position: relative;
  overflow: hidden;
}

.btn svg { transition: transform 0.22s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn-p {
  background: var(--primary);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.1);
}

.btn-p::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.btn-p:hover {
  background: var(--primary-dk);
  transform: translateY(-2px);
  box-shadow: 0 12px 36px var(--primary-glow);
}

.btn-o {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-2);
  border-color: rgba(255, 255, 255, 0.1);
}

.btn-o:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.btn-lg { padding: 0.88rem 2.1rem; font-size: 1rem; border-radius: 12px; }

/* ── Hero Visual (Mock Card) ── */
.h-visual {
  position: relative;
  animation: fromRight 0.9s 0.2s var(--ease) both;
}

.mock {
  background: rgba(12, 19, 35, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.075);
  border-radius: 22px;
  padding: 1.85rem;
  backdrop-filter: blur(12px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 40px 100px rgba(0, 0, 0, 0.7),
    0 0 80px rgba(99, 102, 241, 0.065);
}

.mock-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.mock-pill {
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: #a5b4fc;
  background: rgba(99, 102, 241, 0.14);
  border: 1px solid rgba(99, 102, 241, 0.25);
  padding: 0.23rem 0.68rem;
  border-radius: 6px;
}

.mock-time {
  font-size: 0.76rem;
  color: var(--text-3);
  font-weight: 500;
}

.mock-bar-track {
  height: 3px;
  background: rgba(255, 255, 255, 0.055);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 1.3rem;
}

.mock-bar-fill {
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, var(--primary) 0%, var(--blue) 100%);
  border-radius: 999px;
  box-shadow: 0 0 8px var(--primary-glow);
}

.mock-q {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.65;
  margin-bottom: 1.15rem;
}

.mock-opts {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.2rem;
}

.mo {
  padding: 0.6rem 0.9rem;
  border-radius: 9px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-3);
  border: 1px solid rgba(255, 255, 255, 0.045);
  background: rgba(255, 255, 255, 0.015);
}

.mo-sel {
  background: rgba(99, 102, 241, 0.14);
  border-color: rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
}

.mock-nav {
  display: flex;
  gap: 0.5rem;
}

.mbtn {
  flex: 1;
  padding: 0.52rem;
  border-radius: 8px;
  font-size: 0.77rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text-3);
  cursor: pointer;
  transition: all 0.18s;
}

.mbtn-p {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  box-shadow: 0 2px 12px var(--primary-glow);
}

.mbtn-p:hover { background: var(--primary-dk); }
.mbtn:not(.mbtn-p):hover { background: rgba(255, 255, 255, 0.06); color: var(--text-2); }

/* ── Floating Chips ── */
.chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  background: rgba(7, 12, 25, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 0.72rem 1.05rem;
  backdrop-filter: blur(20px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
}

.chip-ico { font-size: 1.3rem; line-height: 1; }

.chip strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.chip span {
  display: block;
  font-size: 0.7rem;
  color: var(--text-3);
}

.chip-a { top: -20px; right: -16px; animation: chipFloat 3.6s ease-in-out infinite; }
.chip-b { bottom: -20px; left: -16px; animation: chipFloat 3.6s 1.8s ease-in-out infinite; }

/* ══════════════════════════════════════════
   DIVIDER
══════════════════════════════════════════ */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(99, 102, 241, 0.18) 30%, rgba(99, 102, 241, 0.18) 70%, transparent 100%);
}

/* ══════════════════════════════════════════
   FEATURES
══════════════════════════════════════════ */
.features {
  padding: 7rem 2rem 8rem;
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 100%, rgba(99, 102, 241, 0.06), transparent 70%);
  pointer-events: none;
}

.f-wrap {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.f-head {
  max-width: 520px;
  margin-bottom: 3.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--primary);
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.18);
  padding: 0.3rem 0.82rem;
  border-radius: 999px;
  margin-bottom: 1.1rem;
}

.f-title {
  font-size: clamp(1.75rem, 3vw, 2.6rem);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.f-desc {
  font-size: 0.95rem;
  color: var(--text-3);
  line-height: 1.85;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.card {
  position: relative;
  background: rgba(12, 19, 38, 0.75);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 2.1rem;
  overflow: hidden;
  cursor: default;
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease), box-shadow 0.32s var(--ease);
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.45), transparent);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}

.card-shine {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(99, 102, 241, 0.08), transparent 70%);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
  pointer-events: none;
  border-radius: inherit;
}

.card:hover {
  transform: translateY(-9px);
  border-color: rgba(99, 102, 241, 0.22);
  box-shadow: 0 30px 65px rgba(0, 0, 0, 0.6), 0 0 35px rgba(99, 102, 241, 0.07);
}

.card:hover::before    { opacity: 1; }
.card:hover .card-shine { opacity: 1; }

.card-num {
  position: absolute;
  top: 1.6rem; right: 1.75rem;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: rgba(99, 102, 241, 0.25);
  font-variant-numeric: tabular-nums;
}

.card-icon {
  width: 52px; height: 52px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  margin-bottom: 1.35rem;
  transition: transform 0.3s var(--ease-spring);
}

.card:hover .card-icon { transform: scale(1.08) rotate(-3deg); }

.ci-1 { background: rgba(99,102,241,0.16); box-shadow: 0 6px 16px rgba(99,102,241,0.22); }
.ci-2 { background: rgba(16,185,129,0.16); box-shadow: 0 6px 16px rgba(16,185,129,0.22); }
.ci-3 { background: rgba(245,158,11,0.16); box-shadow: 0 6px 16px rgba(245,158,11,0.22); }

.card h3 {
  font-size: 1.025rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.65rem;
  letter-spacing: -0.3px;
  line-height: 1.3;
  position: relative;
  z-index: 1;
}

.card p {
  font-size: 0.875rem;
  color: var(--text-3);
  line-height: 1.82;
  position: relative;
  z-index: 1;
}

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.045);
  padding: 1.75rem 2rem;
  background: rgba(0, 0, 0, 0.22);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-3);
}

/* ══════════════════════════════════════════
   SCROLL REVEAL
══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.on {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════════
   KEYFRAMES
══════════════════════════════════════════ */
@keyframes up {
  from { opacity: 0; transform: translateY(26px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fromRight {
  from { opacity: 0; transform: translateX(44px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes blink {
  0%, 100% { opacity: 1; transform: scale(1);    }
  50%       { opacity: 0.4; transform: scale(0.7); }
}

@keyframes chipFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 1060px) {
  .hero-wrap { grid-template-columns: 1fr; gap: 3rem; padding: 4rem 2rem 8rem; }
  .h-visual  { display: none; }
  .cards     { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-auth  { display: none; }
  .ham       { display: flex; }
  .features  { padding: 5rem 1.5rem 6rem; }
}

@media (max-width: 620px) {
  .cards  { grid-template-columns: 1fr; }
  .h-btns { flex-direction: column; }
  .btn    { width: 100%; justify-content: center; }
  .h-stats { gap: 1.25rem; }
}