/* ============================================================
   Lumen Creator — Landing Page
   Design: Google AI Studio dark theme
   Typography: Montserrat only
   ============================================================ */

:root {
  /* Surfaces */
  --bg:           #1f1f1f;
  --bg-soft:      #242528;
  --bg-elevated:  #2d2e30;
  --bg-raised:    #35363a;
  --bg-input:     #1e1f20;

  /* Borders */
  --border:        #3c4043;
  --border-strong: #5f6368;
  --border-subtle: rgba(255, 255, 255, 0.06);

  /* Text */
  --text:           #e8eaed;
  --text-secondary: #9aa0a6;
  --text-muted:     #5f6368;

  /* Accent — Google AI Studio blue */
  --accent:         #8ab4f8;
  --accent-hover:   #aecbfa;
  --accent-strong:  #1a73e8;
  --accent-deep:    #1765cc;
  --accent-bg:      rgba(138, 180, 248, 0.12);
  --accent-bg-hov:  rgba(138, 180, 248, 0.18);
  --accent-ring:    rgba(138, 180, 248, 0.35);

  /* Status */
  --success: #81c995;
  --danger:  #f28b82;
  --warning: #fdd663;

  /* Radius */
  --r-sm:   8px;
  --r-md:   12px;
  --r-lg:   20px;
  --r-xl:   28px;
  --r-pill: 999px;

  /* Shadow */
  --shadow-soft:  0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-card:  0 24px 60px rgba(0, 0, 0, 0.4);
  --shadow-float: 0 16px 48px rgba(0, 0, 0, 0.5);
  --glow-accent:  0 0 80px rgba(138, 180, 248, 0.28);

  /* Layout */
  --max-w: 1200px;
  --ease:  cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   Reset & base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  font: inherit;
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
}

ul, ol { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* ============================================================
   Page background decorative layers
   ============================================================ */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
  pointer-events: none;
}

.glow-1 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(138, 180, 248, 0.35), transparent 70%);
  top: -250px;
  left: 55%;
}

.glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(26, 115, 232, 0.2), transparent 70%);
  top: 600px;
  left: -180px;
}

/* ============================================================
   Typography primitives
   ============================================================ */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.02);
}

.kicker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-ring);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.2); }
}

.accent-text {
  color: var(--accent);
  font-weight: 400;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: -0.01em;
  padding: 11px 20px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s var(--ease);
  white-space: nowrap;
}

.btn-lg {
  font-size: 15px;
  padding: 14px 26px;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--accent);
  color: #1a1a1a;
  font-weight: 600;
  box-shadow: 0 0 0 0 var(--accent-ring), 0 1px 2px rgba(0, 0, 0, 0.2);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 0 6px rgba(138, 180, 248, 0.12), 0 8px 24px rgba(138, 180, 248, 0.25);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-strong);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 11px 16px;
}
.btn-ghost:hover {
  color: var(--text);
}

/* ============================================================
   Navigation
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  background: rgba(31, 31, 31, 0.75);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 40px;
}

.nav-brand img {
  height: 28px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-links a {
  transition: color 0.15s var(--ease);
  position: relative;
}
.nav-links a:hover {
  color: var(--text);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -22px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s var(--ease);
}
.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: 100px 0 120px;
  position: relative;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-title {
  font-size: clamp(42px, 5.5vw, 72px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--text);
  margin-top: 24px;
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 36px;
  font-weight: 400;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.cta-center {
  justify-content: center;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin-top: 36px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.hero-meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-meta svg {
  color: var(--accent);
}

/* ------- Hero visual mockup ------- */
.hero-visual {
  position: relative;
  height: 560px;
}

.mockup {
  position: absolute;
  inset: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  box-shadow:
    var(--shadow-card),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    var(--glow-accent);
  overflow: hidden;
  transform: perspective(1800px) rotateY(-6deg) rotateX(4deg);
  transform-origin: center;
  animation: mockup-rise 1.1s var(--ease) 0.1s both;
}

@keyframes mockup-rise {
  from {
    opacity: 0;
    transform: perspective(1800px) rotateY(-6deg) rotateX(4deg) translateY(28px);
  }
  to {
    opacity: 1;
    transform: perspective(1800px) rotateY(-6deg) rotateX(4deg) translateY(0);
  }
}

.mockup-chrome {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 44px;
  padding: 0 18px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.mockup-chrome .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.r { background: #f28b82; }
.dot.y { background: #fdd663; }
.dot.g { background: #81c995; }

.mockup-title {
  position: absolute;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  pointer-events: none;
}

.mockup-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: calc(100% - 44px);
}

.msg {
  border-radius: var(--r-md);
  padding: 16px 18px;
  font-size: 13px;
  line-height: 1.55;
  animation: slide-in 0.6s var(--ease) both;
}

.msg-user {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  align-self: flex-end;
  max-width: 82%;
  animation-delay: 0.5s;
}

.msg-ai {
  background: rgba(138, 180, 248, 0.06);
  border: 1px solid rgba(138, 180, 248, 0.18);
  color: var(--text);
  max-width: 92%;
  animation-delay: 0.9s;
}

@keyframes slide-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.msg-ai-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
}

.msg-ai-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--accent-hover), var(--accent-deep));
  box-shadow: 0 0 0 1px rgba(138, 180, 248, 0.3), 0 0 16px rgba(138, 180, 248, 0.5);
}

.msg-ai p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 12.5px;
}

.dots span {
  display: inline-block;
  animation: blink 1.4s infinite both;
}
.dots span:nth-child(2) { animation-delay: 0.2s; }
.dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
  0%, 60%, 100% { opacity: 0.25; }
  30%           { opacity: 1; }
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 8px;
}

.tile {
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  animation: tile-in 0.5s var(--ease) both;
}

.tile::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg,
    transparent 20%,
    rgba(255, 255, 255, 0.12) 50%,
    transparent 80%);
  animation: shimmer 2.4s infinite;
}

@keyframes tile-in {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
  0%   { transform: translateX(-120%); }
  100% { transform: translateX(120%); }
}

.tile-1 { background: linear-gradient(135deg, #1a73e8, #8ab4f8); animation-delay: 1.3s; }
.tile-2 { background: linear-gradient(135deg, #3c4043, #5f6368); animation-delay: 1.45s; }
.tile-3 { background: linear-gradient(135deg, #8ab4f8, #aecbfa); animation-delay: 1.6s; }
.tile-4 { background: linear-gradient(135deg, #1765cc, #1a73e8); animation-delay: 1.75s; }

/* Floating chips around mockup */
.floating-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  box-shadow: var(--shadow-float);
  backdrop-filter: blur(10px);
  animation: float 5s ease-in-out infinite;
}

.floating-chip svg {
  color: var(--accent);
}

.chip-1 {
  top: 50px;
  left: -48px;
  animation-delay: 0.3s;
}

.chip-2 {
  bottom: 80px;
  right: -36px;
  animation-delay: 1.5s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

/* ============================================================
   Stat strip
   ============================================================ */
.strip {
  padding: 40px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.015));
}

.strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.stat {
  flex: 1;
  text-align: center;
}

.stat-num {
  font-size: 30px;
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.strip-sep {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ============================================================
   Sections (generic)
   ============================================================ */
.section {
  padding: 140px 0;
  position: relative;
}

.section-alt {
  background: linear-gradient(to bottom,
    transparent,
    rgba(255, 255, 255, 0.02) 20%,
    rgba(255, 255, 255, 0.02) 80%,
    transparent);
}

.section-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 80px;
}

.section-title {
  font-size: clamp(34px, 4.5vw, 54px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-top: 20px;
  margin-bottom: 20px;
}

.section-sub {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.65;
  font-weight: 400;
}

/* ============================================================
   Features
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(220px, auto);
  gap: 18px;
}

.feature {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px;
  transition: all 0.25s var(--ease);
  position: relative;
  overflow: hidden;
}

.feature::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(138, 180, 248, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}

.feature:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}
.feature:hover::before {
  opacity: 1;
}

.feature-lg {
  grid-column: span 2;
  grid-row: span 2;
  background: linear-gradient(165deg, var(--bg-elevated), var(--bg-soft));
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: var(--accent-bg);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(138, 180, 248, 0.25);
  margin-bottom: 22px;
}

.feature h3 {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: 10px;
}

.feature-lg h3 {
  font-size: 26px;
  font-weight: 400;
  margin-bottom: 14px;
}

.feature p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.feature-lg p {
  font-size: 15px;
  max-width: 90%;
}

.feature-list {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  font-size: 13px;
  color: var(--text-secondary);
  padding-left: 22px;
  position: relative;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 12px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* ============================================================
   Steps / How it works
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1080px;
  margin: 0 auto;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 46px;
  left: 12%;
  right: 12%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), var(--border), transparent);
  z-index: 0;
}

.step {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  position: relative;
  z-index: 1;
  transition: all 0.25s var(--ease);
}

.step:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 22px;
  box-shadow: 0 0 20px rgba(138, 180, 248, 0.15);
}

.step h3 {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
  color: var(--text);
}

.step p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.how-cta {
  display: flex;
  justify-content: center;
  margin-top: 72px;
}

/* ============================================================
   Benefits grid
   ============================================================ */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.benefit {
  background: var(--bg);
  padding: 40px 32px;
  transition: background 0.2s var(--ease);
  position: relative;
}

.benefit:hover {
  background: var(--bg-elevated);
}

.benefit-badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  display: inline-block;
}

.benefit h3 {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
  color: var(--text);
}

.benefit p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ============================================================
   Pricing
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  align-items: stretch;
}

.plan {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.25s var(--ease);
}

.plan:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.plan-featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(138, 180, 248, 0.06), var(--bg-elevated) 60%);
  box-shadow:
    0 0 0 1px var(--accent) inset,
    0 20px 60px rgba(138, 180, 248, 0.15),
    0 0 80px rgba(138, 180, 248, 0.15);
  transform: translateY(-4px);
}
.plan-featured:hover {
  transform: translateY(-7px);
}

.plan-ribbon {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #1a1a1a;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(138, 180, 248, 0.35);
}

.plan-head {
  margin-bottom: 20px;
}

.plan-name {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 8px;
}

.plan-desc {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.5;
  min-height: 38px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 22px;
  color: var(--text);
}

.plan-currency {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
}

.plan-amount {
  font-size: 42px;
  font-weight: 300;
  letter-spacing: -0.035em;
  line-height: 1;
}

.plan-period {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-left: 2px;
}

.plan-features {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.plan-features li {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-secondary);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.plan-features .check {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.pricing-note {
  text-align: center;
  margin-top: 48px;
  font-size: 13px;
  color: var(--text-muted);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-grid {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: all 0.2s var(--ease);
}

.faq-item:hover {
  border-color: var(--border-strong);
}

.faq-item[open] {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(138, 180, 248, 0.05), var(--bg-elevated));
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 26px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  user-select: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-icon {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--accent);
  transition: transform 0.25s var(--ease);
}
.faq-icon::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  transform: translateY(-50%);
}
.faq-icon::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
}
.faq-item[open] .faq-icon::after {
  transform: translateX(-50%) scaleY(0);
}

.faq-item p {
  padding: 0 26px 24px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 92%;
}

/* ============================================================
   Final CTA
   ============================================================ */
.final {
  padding: 80px 0 140px;
}

.final-card {
  position: relative;
  background: linear-gradient(160deg, var(--bg-elevated), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 90px 56px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.final-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(138, 180, 248, 0.3), transparent 65%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.final-card > * {
  position: relative;
  z-index: 1;
}

.final-title {
  font-size: clamp(38px, 4.5vw, 58px);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--text);
  margin-bottom: 20px;
}

.final-sub {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.final-meta {
  margin-top: 24px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 80px 0 32px;
  background: var(--bg);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  padding-bottom: 56px;
}

.footer-brand img {
  height: 32px;
  width: auto;
  margin-bottom: 18px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 420px;
}

.footer-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.footer-col h4 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 18px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 5px 0;
  transition: color 0.15s var(--ease);
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.01em;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1080px) {
  .hero-inner { gap: 56px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-lg { grid-column: span 2; grid-row: auto; }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
  .plan:nth-child(4), .plan:nth-child(5) { grid-column: span 1; }
}

@media (max-width: 900px) {
  .hero { padding: 72px 0 96px; }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .hero-visual { height: 440px; }
  .chip-1 { left: -20px; }
  .chip-2 { right: -12px; }

  .section { padding: 96px 0; }
  .section-head { margin-bottom: 56px; }

  .strip-inner {
    flex-wrap: wrap;
    gap: 24px;
  }
  .strip-sep { display: none; }
  .stat { flex: 0 0 calc(50% - 12px); }

  .steps { grid-template-columns: 1fr; }
  .steps::before { display: none; }

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

  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .plan-featured { transform: none; }
  .plan-featured:hover { transform: translateY(-3px); }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .nav-links { display: none; }

  .final-card { padding: 64px 28px; }
}

@media (max-width: 600px) {
  .container { padding: 0 20px; }

  .nav-inner { height: 64px; gap: 12px; }
  .nav-brand img { height: 24px; }
  .nav-cta .btn-ghost { display: none; }

  .hero { padding: 56px 0 72px; }
  .hero-title { font-size: 38px; }
  .hero-sub { font-size: 15px; }
  .hero-visual { height: 380px; }
  .chip-1, .chip-2 { display: none; }

  .cta-row { flex-direction: column; align-items: stretch; }
  .cta-row .btn { width: 100%; }
  .cta-center .btn { width: auto; }

  .hero-meta { gap: 14px; font-size: 12px; }

  .section { padding: 72px 0; }

  .stat { flex: 0 0 100%; }
  .stat-num { font-size: 26px; }

  .feature-grid { grid-template-columns: 1fr; }
  .feature-lg { grid-column: span 1; }
  .feature { padding: 26px; }
  .feature-lg h3 { font-size: 22px; }

  .benefit-grid {
    grid-template-columns: 1fr;
    border-radius: var(--r-md);
  }

  .pricing-grid { grid-template-columns: 1fr; }

  .final-card { padding: 48px 24px; border-radius: var(--r-lg); }
  .final-title { font-size: 34px; }
  .final-sub { font-size: 15px; }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* ============================================================
   Motion: reduced motion preference
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}