/* ==========================================================================
   SummiNoteAI — Apple-Inspired High-End Landing Page Stylesheet
   Crafted with titanium precision, sleek typography & negative space.
   ========================================================================== */

:root {
  --bg-black: #000000;
  --bg-surface: #0a0a0c;
  --bg-card: rgba(255, 255, 255, 0.035);
  --bg-card-hover: rgba(255, 255, 255, 0.065);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(255, 255, 255, 0.22);

  --text-primary: #f5f5f7;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;

  --accent-blue: #2997ff;
  --accent-cyan: #00d2ff;
  --accent-purple: #a855f7;

  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "Noto Sans JP", sans-serif;
  --ease-apple: cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-black);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-black);
  line-height: 1.6;
}

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

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

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

/* Text Gradients */
.gradient-text {
  background: linear-gradient(135deg, #2997ff 0%, #a855f7 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-alt {
  background: linear-gradient(135deg, #00d2ff 0%, #2997ff 60%, #00f2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mobile-only {
  display: none;
}
@media (max-width: 640px) {
  .mobile-only {
    display: inline;
  }
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.nav-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 12px 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(0, 0, 0, 0.72);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-cta-btn {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  transition: all 0.25s var(--ease-apple);
}

.nav-cta-btn:hover {
  background: var(--text-primary);
  color: var(--bg-black);
  transform: scale(1.02);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 140px 24px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 5%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(circle, rgba(41, 151, 255, 0.16) 0%, rgba(168, 85, 247, 0.1) 40%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-blue);
  box-shadow: 0 0 10px var(--accent-blue);
}

.hero-title {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 660px;
  margin: 0 auto 36px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 36px;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--text-primary);
  color: var(--bg-black);
  font-size: 16px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  transition: all 0.25s var(--ease-apple);
  box-shadow: 0 4px 24px rgba(255, 255, 255, 0.15);
}

.primary-button:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 30px rgba(41, 151, 255, 0.4);
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 600;
  transition: all 0.25s var(--ease-apple);
}

.secondary-button:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-active);
}

.hero-pills {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--text-tertiary);
  font-size: 13px;
  font-weight: 500;
}

.pill-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pill-item svg {
  color: var(--accent-blue);
}

/* ==========================================================================
   Hero Mockups (Triple iPhone Showcase)
   ========================================================================== */
.hero-mockup-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1060px;
  margin-top: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1200px;
  min-height: 640px;
}

.device-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(41, 151, 255, 0.25) 0%, rgba(168, 85, 247, 0.15) 50%, transparent 70%);
  filter: blur(90px);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
}

.phone-frame {
  position: relative;
  background: #141416;
  border-radius: 46px;
  border: 7px solid #28282c;
  box-shadow: 
    0 0 0 1px rgba(255, 255, 255, 0.14),
    0 30px 60px rgba(0, 0, 0, 0.8),
    0 10px 20px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  transition: all 0.5s var(--ease-apple);
}

.phone-screen {
  position: relative;
  background: #000;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 38px;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.phone-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 20px;
  background: #000;
  border-radius: 12px;
  z-index: 10;
  box-shadow: 0 0 1px rgba(255, 255, 255, 0.1);
}

.phone-reflection {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
  pointer-events: none;
  z-index: 5;
}

.center-phone {
  width: 310px;
  height: 640px;
  z-index: 3;
}

.left-phone {
  position: absolute;
  left: 80px;
  width: 270px;
  height: 560px;
  z-index: 2;
  transform: rotate(-6deg) scale(0.92) translateY(20px);
  opacity: 0.85;
}

.right-phone {
  position: absolute;
  right: 80px;
  width: 270px;
  height: 560px;
  z-index: 2;
  transform: rotate(6deg) scale(0.92) translateY(20px);
  opacity: 0.85;
}

.center-phone:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 
    0 0 0 1px rgba(255, 255, 255, 0.25),
    0 40px 80px rgba(41, 151, 255, 0.35);
}

@media (max-width: 900px) {
  .left-phone, .right-phone {
    display: none;
  }
  .center-phone {
    width: 280px;
    height: 580px;
  }
  .hero-mockup-wrapper {
    min-height: 600px;
  }
}

/* ==========================================================================
   Metrics Section
   ========================================================================== */
.metrics-section {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.015);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.metric-card {
  padding: 24px;
  text-align: center;
}

.metric-number {
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(180deg, #ffffff 30%, #86868b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}

.metric-number .unit {
  font-size: 0.45em;
  letter-spacing: 0;
  margin-left: 4px;
}

.metric-label {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.metric-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   Workflow (4 Steps) Section
   ========================================================================== */
.workflow-section {
  padding: 100px 0;
}

.pipeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.pipeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: all 0.3s var(--ease-apple);
  display: flex;
  flex-direction: column;
}

.pipeline-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-4px);
}

.step-badge {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent-blue);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.step-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(41, 151, 255, 0.1);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.pipeline-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.pipeline-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 992px) {
  .pipeline-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .pipeline-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Spotlight Section (Visual Summary)
   ========================================================================== */
.spotlight-section {
  padding: 60px 0 100px;
}

.spotlight-box {
  background: linear-gradient(145deg, rgba(20, 20, 26, 0.8) 0%, rgba(10, 10, 14, 0.95) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.spotlight-tag {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: inline-block;
}

.spotlight-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.spotlight-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.spotlight-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.spotlight-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 500;
}

.spotlight-quote {
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border-left: 3px solid var(--accent-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13px;
  color: var(--text-secondary);
  font-style: italic;
}

.spotlight-visual {
  display: flex;
  justify-content: center;
}

.glass-frame {
  position: relative;
  max-width: 380px;
  background: #111;
  border-radius: 28px;
  border: 4px solid #27272a;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(41, 151, 255, 0.2);
}

.glass-frame img {
  width: 100%;
  display: block;
}

.glass-caption {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}

.caption-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

@media (max-width: 900px) {
  .spotlight-box {
    grid-template-columns: 1fr;
    padding: 36px 24px;
    gap: 36px;
  }
}

/* ==========================================================================
   Bento Grid Section
   ========================================================================== */
.bento-section {
  padding: 90px 0;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.bento-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s var(--ease-apple);
  overflow: hidden;
}

.bento-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-4px);
}

.bento-wide {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: center;
}

.bento-tag {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-blue);
  margin-bottom: 12px;
}

.bento-card h3 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

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

.bento-icon-circle {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.bento-image-preview {
  margin-top: 20px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: #000;
}

.bento-image-preview img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  object-position: top;
}

.mini-phone {
  background: #18181b;
  border: 4px solid #27272a;
  border-radius: 28px;
  overflow: hidden;
  max-width: 300px;
  margin: 0 auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

@media (max-width: 900px) {
  .bento-wide {
    grid-column: span 1;
    grid-template-columns: 1fr;
  }
  .bento-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Privacy Section
   ========================================================================== */
.privacy-section {
  padding: 80px 0;
}

.privacy-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
}

.privacy-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(41, 151, 255, 0.1);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  border: 1px solid rgba(41, 151, 255, 0.2);
}

.privacy-title {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}

.privacy-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 660px;
  margin: 0 auto 36px;
}

.privacy-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  text-align: left;
}

.privacy-badge-item {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.privacy-badge-item strong {
  font-size: 13px;
  color: var(--text-primary);
}

.privacy-badge-item span {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .privacy-card {
    padding: 36px 20px;
  }
  .privacy-badges {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Company / Operator Info Section (事業者概要)
   ========================================================================== */
.company-section {
  padding: 70px 0;
}

.company-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 48px;
  max-width: 860px;
  margin: 0 auto;
}

.company-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.company-indicator {
  width: 4px;
  height: 22px;
  background: var(--accent-blue);
  border-radius: 2px;
}

.company-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.company-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.company-table tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.company-table tr:last-child th,
.company-table tr:last-child td {
  border-bottom: none;
}

.company-table th {
  width: 28%;
  text-align: left;
  padding: 18px 12px 18px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  vertical-align: top;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.company-table td {
  padding: 18px 0;
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.6;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.company-table a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.company-table a:hover {
  color: var(--text-primary);
}

@media (max-width: 640px) {
  .company-card {
    padding: 30px 20px;
  }
  .company-table th, .company-table td {
    display: block;
    width: 100%;
    padding: 8px 0;
  }
  .company-table th {
    color: var(--text-tertiary);
    font-size: 12px;
    border-bottom: none;
  }
  .company-table td {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 16px;
  }
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
  padding: 80px 0;
}

.faq-accordion {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
}

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

.faq-question {
  width: 100%;
  padding: 22px;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
}

.faq-chevron {
  font-size: 22px;
  font-weight: 300;
  color: var(--text-secondary);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-chevron {
  transform: rotate(45deg);
  color: var(--accent-blue);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease-apple);
  padding: 0 22px;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: 22px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   Bottom CTA Section
   ========================================================================== */
.bottom-cta-section {
  padding: 80px 0 120px;
}

.cta-inner {
  position: relative;
  background: linear-gradient(135deg, rgba(41, 151, 255, 0.12) 0%, rgba(168, 85, 247, 0.12) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 70px 32px;
  text-align: center;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(circle, rgba(41, 151, 255, 0.25) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(30px, 4.5vw, 50px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
  line-height: 1.15;
}

.cta-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.cta-button-group {
  display: flex;
  justify-content: center;
  margin-bottom: 18px;
}

.cta-large {
  padding: 16px 36px;
  font-size: 17px;
}

.cta-note {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 50px 0 36px;
  background: #000;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 30px;
}

.footer-brand {
  max-width: 380px;
}

.footer-logo-text {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: block;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.footer-developer {
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-developer strong {
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

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

.footer-bottom {
  text-align: center;
  font-size: 12px;
  color: var(--text-tertiary);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 20px;
}