/* ============================
   KAZET AI - Global Styles
   ============================ */

:root {
  --color-bg: #050a14;
  --color-bg2: #080f1e;
  --color-surface: #0d1629;
  --color-surface2: #111d36;
  --color-border: rgba(255,255,255,0.08);
  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --color-accent: #06b6d4;
  --color-accent2: #a78bfa;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  --font-sans: 'Noto Sans JP', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --shadow-card: 0 4px 32px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(59,130,246,0.15);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ============================
   UTILITY
   ============================ */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--wide {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section--sm {
  padding: 60px 0;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary-light);
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 18px;
}

.tag--accent {
  color: var(--color-accent);
  background: rgba(6,182,212,0.1);
  border-color: rgba(6,182,212,0.25);
}

.tag--purple {
  color: var(--color-accent2);
  background: rgba(167,139,250,0.1);
  border-color: rgba(167,139,250,0.25);
}

.heading-xl {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.heading-lg {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.heading-md {
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  font-weight: 700;
  line-height: 1.35;
}

.heading-sm {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
}

.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent); }
.text-primary { color: var(--color-primary-light); }

.gradient-text {
  background: linear-gradient(135deg, #60a5fa, #06b6d4, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 100px;
  margin: 20px 0;
}

/* ============================
   BUTTONS
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), #1d4ed8);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59,130,246,0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(59,130,246,0.45);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary-light);
  border: 1.5px solid rgba(59,130,246,0.5);
}
.btn--outline:hover {
  background: rgba(59,130,246,0.1);
  border-color: var(--color-primary-light);
  transform: translateY(-2px);
}

.btn--ghost {
  background: rgba(255,255,255,0.06);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
}

.btn--lg {
  padding: 17px 40px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn--sm {
  padding: 9px 20px;
  font-size: 0.85rem;
}

/* ============================
   HEADER / NAV
   ============================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  transition: background 0.4s, padding 0.4s, box-shadow 0.4s;
}

#header.scrolled {
  background: rgba(5,10,20,0.92);
  backdrop-filter: blur(16px);
  padding: 12px 0;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.nav__logo-mark {
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #60a5fa, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.nav__logo-sub {
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  letter-spacing: 0.02em;
}

.nav__links a:hover { color: var(--color-text); }

.nav__cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================
   HERO
   ============================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(60px); }
}

.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: glowPulse 6s ease-in-out infinite;
}

.hero__glow--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(59,130,246,0.18) 0%, transparent 70%);
  top: -100px;
  right: -50px;
}

.hero__glow--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.12) 0%, transparent 70%);
  bottom: 0;
  left: -100px;
  animation-delay: -3s;
}

.hero__glow--3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(167,139,250,0.1) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  animation-delay: -1.5s;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 100px;
  padding: 7px 18px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary-light);
  margin-bottom: 28px;
}

.hero__badge .dot {
  width: 7px;
  height: 7px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero__title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.hero__subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.hero__desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 600px;
  line-height: 1.85;
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.hero__stat {}

.hero__stat-num {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(135deg, #60a5fa, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__stat-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  letter-spacing: 0.05em;
}

/* ============================
   PROBLEM SECTION
   ============================ */
.problem {
  background: var(--color-bg2);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.problem__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}

.problem__card:hover {
  transform: translateY(-4px);
  border-color: rgba(239,68,68,0.3);
}

.problem__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #ef4444, #f97316);
}

.problem__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.problem__card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.problem__card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================
   WHAT IS SECTION
   ============================ */
.whatis__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.whatis__visual {
  position: relative;
}

.whatis__diagram {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  position: relative;
}

.diagram__center {
  text-align: center;
  margin-bottom: 28px;
}

.diagram__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.diagram__title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary-light);
}

.diagram__items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.diagram__item {
  background: var(--color-surface2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  text-align: center;
}

.diagram__item-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.diagram__item-name {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.whatis__text {}

.whatis__text p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  font-size: 0.97rem;
  line-height: 1.85;
}

.whatis__points {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.whatis__point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.whatis__point-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.whatis__point-text strong {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 3px;
}

.whatis__point-text span {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================
   SERVICE OVERVIEW
   ============================ */
.service-overview {
  background: var(--color-bg2);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-top: 16px;
  line-height: 1.8;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(59,130,246,0.3);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3), 0 0 30px rgba(59,130,246,0.08);
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover::after { opacity: 1; }

.service-card__num {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-primary-light);
  margin-bottom: 20px;
}

.service-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.service-card__title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.4;
}

.service-card__desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.service-card__tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  background: rgba(6,182,212,0.08);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: 100px;
  padding: 3px 10px;
}

/* ============================
   FLOW SECTION
   ============================ */
.flow__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
  margin-top: 60px;
  position: relative;
}

.flow__steps::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 5%;
  right: 5%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0.3;
}

.flow__step {
  text-align: center;
  padding: 0 16px;
  position: relative;
}

.flow__step-num {
  width: 72px;
  height: 72px;
  background: var(--color-surface);
  border: 2px solid rgba(59,130,246,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--color-primary-light);
  position: relative;
  z-index: 1;
  background: var(--color-bg);
  transition: var(--transition);
}

.flow__step:hover .flow__step-num {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  border-color: transparent;
}

.flow__step-title {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.flow__step-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ============================
   WHY IMPORTANT
   ============================ */
.why {
  background: var(--color-bg2);
}

.why__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 60px;
}

.why__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition);
}

.why__card:hover { transform: translateY(-4px); }

.why__card--highlight {
  border-color: rgba(59,130,246,0.3);
  background: linear-gradient(135deg, rgba(59,130,246,0.06), rgba(6,182,212,0.03));
}

.why__card-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.why__card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.why__card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.why__card-list {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.why__card-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

.why__card-list li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.why__alert {
  margin-top: 48px;
  background: linear-gradient(135deg, rgba(239,68,68,0.08), rgba(249,115,22,0.05));
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius-lg);
  padding: 28px 36px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.why__alert-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.why__alert-content h4 {
  font-size: 1rem;
  font-weight: 800;
  color: #fca5a5;
  margin-bottom: 8px;
}

.why__alert-content p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================
   PRICING
   ============================ */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
  align-items: start;
}

.pricing__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.pricing__card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.pricing__card--featured {
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(6,182,212,0.05));
  border-color: rgba(59,130,246,0.4);
  transform: scale(1.02);
}

.pricing__card--featured:hover {
  transform: scale(1.02) translateY(-6px);
}

.pricing__badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 100px;
}

.pricing__plan {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--color-primary-light);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.pricing__price {
  margin-bottom: 6px;
}

.pricing__price-num {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.pricing__price-unit {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.pricing__period {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.pricing__desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.pricing__features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.pricing__feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.pricing__feature-check {
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.pricing__note {
  margin-top: 40px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-dim);
  line-height: 1.7;
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

/* ============================
   FAQ
   ============================ */
.faq__list {
  max-width: 780px;
  margin: 60px auto 0;
}

.faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq__item.open {
  border-color: rgba(59,130,246,0.3);
}

.faq__q {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 700;
  transition: background var(--transition);
}

.faq__q:hover { background: rgba(255,255,255,0.03); }

.faq__q-icon {
  width: 28px;
  height: 28px;
  background: rgba(59,130,246,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-light);
  transition: transform var(--transition), background var(--transition);
}

.faq__item.open .faq__q-icon {
  transform: rotate(45deg);
  background: rgba(59,130,246,0.25);
}

.faq__a {
  display: none;
  padding: 0 24px 20px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.faq__item.open .faq__a { display: block; }

/* ============================
   CTA SECTION
   ============================ */
.cta {
  background: linear-gradient(135deg, #0d1a3a, #081222);
  border-top: 1px solid rgba(59,130,246,0.15);
  border-bottom: 1px solid rgba(59,130,246,0.15);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(59,130,246,0.12) 0%, transparent 70%);
}

.cta__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.cta__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 20px;
}

.cta__desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 36px;
}

.cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================
   FOOTER
   ============================ */
footer {
  background: #020508;
  border-top: 1px solid var(--color-border);
  padding: 64px 0 32px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--color-border);
}

.footer__brand {}

.footer__logo-mark {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #60a5fa, #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.footer__logo-sub {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--color-text-dim);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.footer__brand-desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 280px;
}

.footer__nav-title {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: var(--color-text-dim);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer__nav-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__nav-links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer__nav-links a:hover { color: var(--color-text); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  font-size: 0.78rem;
  color: var(--color-text-dim);
}

/* ============================
   MOBILE MENU
   ============================ */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(5,10,20,0.98);
  backdrop-filter: blur(16px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

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

.mobile-menu a {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.mobile-menu a:hover { color: var(--color-text); }

.mobile-menu__close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ============================
   ANIMATIONS
   ============================ */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
  .whatis__inner { grid-template-columns: 1fr; gap: 48px; }
  .pricing__grid { grid-template-columns: 1fr; max-width: 460px; margin-left: auto; margin-right: auto; }
  .pricing__card--featured { transform: scale(1); }
  .pricing__card--featured:hover { transform: translateY(-6px); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .why__grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .hamburger { display: flex; }
  .section { padding: 70px 0; }
  .hero { padding: 100px 0 60px; }
  .flow__steps::before { display: none; }
  .flow__steps { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hero__stats { gap: 24px; }
}

@media (max-width: 480px) {
  .flow__steps { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .cta__actions { flex-direction: column; }
}