/* ==========================================================================
   Breeze Studio Official Web Platform - Warm Minimal Tech Design System
   Style: Warm Light Surface (#F7F6F2 / #FAF9F6) + Crisp Obsidian Text (#171717)
          + Dedicated Dark Product Island + Real System Visuals
   Zero Emoji Policy Strictly Enforced
   ========================================================================== */

:root {
  /* 1. Warm Minimal Tech Core Palette */
  --bg-primary: #F7F6F2;
  --bg-secondary: #FAF9F6;
  --bg-elevated: #FFFFFF;
  --surface: #FFFFFF;
  --surface-strong: #FFFFFF;
  --surface-hover: #FCFCFA;

  --text-primary: #171717;
  --text-secondary: #6B6B6B;
  --text-muted: #8E8E8A;

  /* Accent Colors (Blue / Violet / Pink - Red strictly reserved for Error/Warning/Danger) */
  --accent-blue: #5577FF;
  --accent-blue-hover: #4164F0;
  --accent-blue-subtle: rgba(85, 119, 255, 0.09);
  --accent-blue-border: rgba(85, 119, 255, 0.26);

  --accent-purple: #8368FF;
  --accent-purple-subtle: rgba(131, 104, 255, 0.10);
  --accent-purple-border: rgba(131, 104, 255, 0.28);

  --accent-pink: #F45BA5;
  --accent-pink-subtle: rgba(244, 91, 165, 0.10);
  --accent-pink-border: rgba(244, 91, 165, 0.26);

  /* Legacy alias variables mapped to Warm Minimal Tech accents so subpages stay cohesive */
  --brand-red: #5577FF;
  --brand-red-hover: #4164F0;
  --brand-red-subtle: rgba(85, 119, 255, 0.09);
  --brand-red-border: rgba(85, 119, 255, 0.24);
  --brand-red-glow: rgba(85, 119, 255, 0.14);

  --accent-cyan: #5577FF;
  --accent-cyan-subtle: rgba(85, 119, 255, 0.09);
  --accent-cyan-border: rgba(85, 119, 255, 0.24);

  /* Semantic Status Colors */
  --status-green: #10B981;
  --accent-amber: #D97706;
  --status-danger: #DC2626;

  --border-subtle: rgba(23, 23, 23, 0.08);
  --border-standard: rgba(23, 23, 23, 0.12);
  --border-highlight: rgba(23, 23, 23, 0.20);

  /* 2. Motion Tokens (Subtle & Restrained) */
  --motion-fast: 240ms;
  --motion-crossfade: 280ms;
  --motion-base: 480ms;
  --motion-emphasis: 560ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  /* 3. Radius Ladder */
  --radius-container: 22px;
  --radius-card: 18px;
  --radius-sm: 12px;
  --radius-inner: 10px;
  --radius-tag: 8px;
  --radius-pill: 999px;

  /* 4. Shadow System (Warm Soft Shadows) */
  --shadow-card: 0 12px 34px rgba(23, 23, 23, 0.05), 0 1px 3px rgba(23, 23, 23, 0.04);
  --shadow-soft: 0 6px 20px rgba(23, 23, 23, 0.04);
  --shadow-standard: 0 16px 44px rgba(23, 23, 23, 0.07);
  --shadow-emphasis: 0 16px 40px rgba(85, 119, 255, 0.14);
  --shadow-cyan: 0 14px 36px rgba(85, 119, 255, 0.12);

  /* 5. Typography */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

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

html {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body.portal-body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--motion-fast) var(--ease-out);
}

ul, ol {
  list-style: none;
}

img, svg {
  display: inline-block;
  vertical-align: middle;
}

.icon-svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  flex-shrink: 0;
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding-left: calc(24px + env(safe-area-inset-left, 0px));
  padding-right: calc(24px + env(safe-area-inset-right, 0px));
  position: relative;
  z-index: 2;
}

/* ==========================================================================
   Warm Surface Backgrounds
   ========================================================================== */
.bg-standard {
  background-color: var(--bg-primary);
  position: relative;
}

.bg-emphasis {
  background-color: var(--bg-secondary);
  position: relative;
}

.bg-demo-focus {
  background-color: #F2F0EA;
  position: relative;
}

.grid-bg,
.ambient-glow,
.ambient-glow-cyan,
.particles {
  display: none;
}

/* ==========================================================================
   Restrained Motion System (Section 8 Strict Compliance)
   ========================================================================== */
.motion {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--motion-base) var(--ease-out),
    transform var(--motion-base) var(--ease-out);
  transition-delay: var(--delay, 0ms);
}

.motion-up {
  transform: translateY(18px);
}

.motion-left,
.motion-right {
  transform: translateY(18px);
}

.motion-scale {
  opacity: 0;
  transform: scale(0.98);
  transition:
    opacity var(--motion-emphasis) var(--ease-out),
    transform var(--motion-emphasis) var(--ease-out);
  transition-delay: var(--delay, 0ms);
}

.motion.is-visible,
.motion-scale.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ==========================================================================
   Header & Pure Text Brand Logo (Section 6 Strict Compliance)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: calc(72px + env(safe-area-inset-top, 0px));
  z-index: 200;
  background: rgba(247, 246, 242, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition:
    background-color var(--motion-fast) var(--ease-out),
    border-color var(--motion-fast) var(--ease-out),
    box-shadow var(--motion-fast) var(--ease-out);
}

.site-header.scrolled {
  background: rgba(250, 249, 246, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-standard);
  box-shadow: 0 6px 24px rgba(23, 23, 23, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding-top: env(safe-area-inset-top, 0px);
  gap: 16px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 680;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

/* Hide any legacy .logo-mark if present */
.logo-mark {
  display: none !important;
}

.brand-sub-tag {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(23, 23, 23, 0.04);
  border: 1px solid var(--border-subtle);
  letter-spacing: 0.03em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 2px;
  position: relative;
  transition: color var(--motion-fast) var(--ease-out);
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--motion-fast) var(--ease-out);
}

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

.nav-link.active {
  color: var(--text-primary);
  font-weight: 600;
}

.nav-link.active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-tag);
  border: 1px solid var(--border-standard);
  background: #FFFFFF;
  color: var(--text-primary);
  cursor: pointer;
}

.mobile-drawer {
  display: none;
  position: fixed;
  top: calc(72px + env(safe-area-inset-top, 0px));
  left: 0;
  right: 0;
  background: rgba(250, 249, 246, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-standard);
  padding: 20px calc(24px + env(safe-area-inset-right, 0px)) calc(28px + env(safe-area-inset-bottom, 0px)) calc(24px + env(safe-area-inset-left, 0px));
  z-index: 199;
  box-shadow: var(--shadow-standard);
}

.mobile-drawer.open {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mobile-drawer .nav-link {
  font-size: 15px;
  padding: 12px 8px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-drawer .nav-link::after {
  display: none;
}

.mobile-drawer-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 16px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform var(--motion-fast) var(--ease-out),
    background-color var(--motion-fast) var(--ease-out),
    border-color var(--motion-fast) var(--ease-out),
    box-shadow var(--motion-fast) var(--ease-out),
    color var(--motion-fast) var(--ease-out);
  white-space: nowrap;
  line-height: 1.3;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: #171717;
  color: #FFFFFF;
  border-color: #171717;
  box-shadow: 0 6px 20px rgba(23, 23, 23, 0.14);
}

.btn-primary:hover {
  background: #2B2B2B;
  box-shadow: 0 10px 26px rgba(23, 23, 23, 0.20);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 8px 24px rgba(85, 119, 255, 0.24);
}

.btn-accent:hover {
  box-shadow: 0 12px 30px rgba(85, 119, 255, 0.34);
}

.btn-outline-red,
.btn-outline-blue {
  background: #FFFFFF;
  color: var(--accent-blue);
  border-color: var(--accent-blue-border);
}

.btn-outline-red:hover,
.btn-outline-blue:hover {
  background: var(--accent-blue-subtle);
  border-color: var(--accent-blue);
}

.btn-neutral {
  background: #FFFFFF;
  color: var(--text-primary);
  border-color: var(--border-standard);
}

.btn-neutral:hover {
  background: #F4F3EE;
  border-color: var(--border-highlight);
}

.btn-dark-emphasis {
  background: #171717;
  color: #FFFFFF;
  border-color: #171717;
}

.btn-dark-emphasis:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #FFFFFF;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
  border-radius: var(--radius-sm);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 13px;
  border-radius: var(--radius-tag);
}

/* ==========================================================================
   Badges & Factual Status Tags
   ========================================================================== */
.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: #FFFFFF;
  color: var(--text-primary);
  border: 1px solid var(--border-standard);
  box-shadow: var(--shadow-soft);
}

.pill-red,
.pill-cyan,
.pill-brand {
  background: #FFFFFF;
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue-border);
}

.pill-purple {
  background: var(--accent-purple-subtle);
  color: var(--accent-purple);
  border: 1px solid var(--accent-purple-border);
}

.status-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.status-online {
  background: rgba(16, 185, 129, 0.10);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.25);
}
.status-online .status-dot { background: #10B981; }

.status-active,
.status-tech,
.status-brand {
  background: var(--accent-blue-subtle);
  color: var(--accent-blue);
  border: 1px solid var(--accent-blue-border);
}
.status-active .status-dot,
.status-tech .status-dot,
.status-brand .status-dot { background: var(--accent-blue); }

.status-planned {
  background: rgba(217, 119, 6, 0.10);
  color: #B45309;
  border: 1px solid rgba(217, 119, 6, 0.25);
}
.status-planned .status-dot { background: #D97706; }

.status-custom {
  background: var(--accent-purple-subtle);
  color: var(--accent-purple);
  border: 1px solid var(--accent-purple-border);
}
.status-custom .status-dot { background: var(--accent-purple); }

/* ==========================================================================
   Typography & Section Headers
   ========================================================================== */
.section {
  padding: 96px 0;
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  max-width: 760px;
  margin-bottom: 52px;
}

.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.t-hero {
  font-size: clamp(2.35rem, 4.5vw, 3.85rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.14;
  color: var(--text-primary);
}

.t-section,
.t-h1 {
  font-size: clamp(1.8rem, 3.1vw, 2.55rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.22;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.t-h2 {
  font-size: 1.45rem;
  font-weight: 750;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.t-subtitle,
.section-subtitle {
  font-size: clamp(1rem, 1.3vw, 1.14rem);
  color: var(--text-secondary);
  line-height: 1.7;
}

.text-gradient-red,
.text-gradient-tech,
.text-gradient-brand,
.text-gradient-warm {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 55%, var(--accent-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   SECTION 1: HERO (Warm Minimal Tech + Real Product Visual Composition)
   ========================================================================== */
.hero-section {
  padding: calc(136px + env(safe-area-inset-top, 0px)) 0 88px;
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
  background: radial-gradient(circle at 80% 20%, rgba(85, 119, 255, 0.06) 0%, rgba(131, 104, 255, 0.04) 35%, transparent 70%), var(--bg-primary);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 48px;
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  margin-top: 16px;
  margin-bottom: 18px;
  text-wrap: balance;
  word-break: keep-all;
}

.hero-line {
  display: block;
}

.hero-phrase {
  display: inline-block;
  white-space: nowrap;
}

.whitespace-nowrap {
  white-space: nowrap;
}

@media (max-width: 480px) {
  .hero-title {
    font-size: clamp(1.75rem, 6.8vw, 2.25rem);
    line-height: 1.25;
  }
}

.hero-lead {
  font-size: clamp(1.05rem, 1.35vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.72;
  margin-bottom: 30px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.hero-quick-entries {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 22px;
  border-top: 1px solid var(--border-subtle);
  width: 100%;
  font-size: 13px;
  color: var(--text-secondary);
}

.hero-quick-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 12.5px;
  transition: border-color var(--motion-fast) var(--ease-out), transform var(--motion-fast) var(--ease-out);
}

.hero-quick-link:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
}

/* Right Side Real Product Composition */
.hero-product-composition {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.product-browser-frame {
  background: #FFFFFF;
  border: 1px solid var(--border-standard);
  border-radius: var(--radius-container);
  box-shadow: var(--shadow-standard);
  overflow: hidden;
}

.product-browser-bar {
  height: 40px;
  background: #F4F3EE;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(23, 23, 23, 0.16);
}
.window-dot.red { background: #E5E5E0; }
.window-dot.amber { background: #E5E5E0; }
.window-dot.green { background: #E5E5E0; }

.window-url {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  padding: 2px 12px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-visual-body {
  padding: 18px;
  background: #FAF9F6;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.hero-screenshot-pair {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 12px;
  align-items: stretch;
}

.hero-shot-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.hero-shot-card img {
  width: 100%;
  height: 176px;
  object-fit: cover;
  object-position: top center;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-shot-caption {
  padding: 10px 12px;
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.hero-shot-caption strong {
  color: var(--text-primary);
  font-weight: 700;
}

.hero-crm-preview-bar {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

/* ==========================================================================
   SECTION 2: WHAT WE BUILD (3 Large Product Cards with Real Visuals)
   ========================================================================== */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.glass-card,
.build-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition:
    transform var(--motion-fast) var(--ease-out),
    border-color var(--motion-fast) var(--ease-out),
    box-shadow var(--motion-fast) var(--ease-out);
}

.glass-card:hover,
.build-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-blue-border);
  box-shadow: var(--shadow-standard);
}

.build-card-visual {
  margin: -8px -4px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: #F7F6F2;
  overflow: hidden;
  height: 184px;
  position: relative;
}

.build-card-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform var(--motion-emphasis) var(--ease-out);
}

.build-card:hover .build-card-visual img {
  transform: scale(1.02);
}

.build-visual-ui {
  padding: 14px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(145deg, #F7F6F2 0%, #EFECE4 100%);
}

.card-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-index {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 0.06em;
  background: var(--accent-blue-subtle);
  border: 1px solid var(--accent-blue-border);
  padding: 4px 10px;
  border-radius: var(--radius-tag);
}

.card-icon-wrap,
.card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  flex-shrink: 0;
}

.card-title {
  font-size: 20px;
  font-weight: 750;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.card-desc {
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 1.68;
  margin-bottom: 18px;
}

.capability-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.cap-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: 6px;
}

.card-link-row {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--accent-blue);
}

.card-link-row:hover {
  color: var(--accent-blue-hover);
}

/* ==========================================================================
   SECTION 3: DARK ISLAND (Single Deep Dark Product Showcase on Homepage)
   ========================================================================== */
.dark-island-section {
  padding: 48px 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
}

.dark-island-shell {
  background: linear-gradient(160deg, #12141C 0%, #171A24 100%);
  color: #F5F5F7;
  border-radius: 28px;
  padding: 64px 48px;
  box-shadow: 0 28px 72px rgba(17, 19, 24, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.dark-island-shell .section-eyebrow {
  color: #8EA4FF;
}

.dark-island-shell .t-section {
  color: #FFFFFF;
}

.dark-island-shell .t-subtitle {
  color: #A1A7B8;
}

.island-layout {
  display: grid;
  grid-template-columns: 0.36fr 0.64fr;
  gap: 32px;
  align-items: stretch;
}

.island-tabs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.island-tab-btn {
  text-align: left;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 16px 20px;
  cursor: pointer;
  color: #E2E8F0;
  transition:
    background-color var(--motion-fast) var(--ease-out),
    border-color var(--motion-fast) var(--ease-out),
    transform var(--motion-fast) var(--ease-out);
}

.island-tab-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
}

.island-tab-btn.active {
  background: linear-gradient(135deg, rgba(85, 119, 255, 0.20) 0%, rgba(131, 104, 255, 0.16) 100%);
  border-color: #6B8AFF;
  color: #FFFFFF;
}

.island-tab-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.island-tab-name {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

.island-tab-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #93A8FF;
  background: rgba(85, 119, 255, 0.16);
  padding: 2px 8px;
  border-radius: 99px;
}

.island-tab-desc {
  font-size: 13px;
  color: #94A3B8;
  line-height: 1.5;
}

.island-stage {
  background: #0D0F16;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.island-stage-topbar {
  height: 44px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
  color: #94A3B8;
}

.island-pane {
  display: none;
  padding: 26px;
  flex: 1;
}

.island-pane.active {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  animation: islandCrossfade var(--motion-crossfade) var(--ease-out) forwards;
}

@keyframes islandCrossfade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.island-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.island-metric-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 16px;
}

.island-metric-box h4 {
  font-size: 14.5px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.island-metric-box p {
  font-size: 13px;
  color: #94A3B8;
  line-height: 1.58;
}

/* ==========================================================================
   SECTION 4: PROJECTS (Full-Width Case Showcases + Real Miniprogram QR)
   ========================================================================== */
.project-showcase-stack {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.project-band {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 38px;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
  transition: transform var(--motion-fast) var(--ease-out), box-shadow var(--motion-fast) var(--ease-out);
}

.project-band:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-standard);
}

.project-band-visual {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.project-qr-showcase {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 20px;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 18px;
}

.project-qr-img {
  width: 168px;
  height: 168px;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  padding: 6px;
  background: #FFFFFF;
}

/* ==========================================================================
   SECTION 5: PROOF & SECTION 6: CTA
   ========================================================================== */
.proof-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 26px 24px;
  box-shadow: var(--shadow-soft);
  transition: transform var(--motion-fast) var(--ease-out);
}

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

.cta-gradient-section {
  padding: 88px 0;
  background: linear-gradient(135deg, rgba(85, 119, 255, 0.11) 0%, rgba(131, 104, 255, 0.11) 50%, rgba(244, 91, 165, 0.11) 100%);
  background-size: 200% 200%;
  animation: slowGradientShift 18s ease infinite;
  border-bottom: 1px solid var(--border-subtle);
}

@keyframes slowGradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.cta-card-inner {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-standard);
  border-radius: 26px;
  padding: 56px 40px;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
  box-shadow: var(--shadow-standard);
}

/* ==========================================================================
   Miniprogram Entry Modal
   ========================================================================== */
.miniapp-modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 400;
  background: rgba(23, 23, 23, 0.55);
  backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  padding: calc(20px + env(safe-area-inset-top, 0px)) calc(20px + env(safe-area-inset-right, 0px)) calc(20px + env(safe-area-inset-bottom, 0px)) calc(20px + env(safe-area-inset-left, 0px));
}

.miniapp-modal-backdrop.open {
  display: flex;
}

.miniapp-modal-dialog {
  background: #FFFFFF;
  border: 1px solid var(--border-standard);
  border-radius: 22px;
  max-width: 460px;
  width: 100%;
  padding: 28px;
  box-shadow: 0 24px 64px rgba(23, 23, 23, 0.22);
  text-align: center;
}

/* ==========================================================================
   Subpage Compatibility Styles (System Window / Matrix Tier / Workflow / Contact)
   ========================================================================== */
.system-window,
.showcase-viewport {
  background: #FFFFFF;
  border: 1px solid var(--border-standard);
  border-radius: var(--radius-container);
  box-shadow: var(--shadow-standard);
  overflow: hidden;
}

.window-topbar {
  height: 42px;
  background: #F4F3EE;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.window-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.console-mini-panel {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.console-mini-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.console-mini-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.workflow-step,
.why-card,
.matrix-tier-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 26px 22px;
  box-shadow: var(--shadow-card);
  transition: transform var(--motion-fast) var(--ease-out);
}

.workflow-step:hover,
.why-card:hover,
.matrix-tier-card:hover {
  transform: translateY(-4px);
}

.matrix-tier-card.featured {
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-emphasis);
}

.tier-price-row {
  margin: 18px 0;
  padding: 16px 18px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.tier-price-val {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 800;
  color: var(--text-primary);
}

.tier-price-val .currency {
  font-size: 18px;
  color: var(--accent-blue);
  margin-right: 2px;
}

.spec-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 18px 0 24px;
  flex: 1;
}

.spec-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.spec-list li strong {
  color: var(--text-primary);
}

.why-big-num,
.why-bg-num {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
  color: rgba(85, 119, 255, 0.22);
  margin-bottom: 12px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.12fr;
  gap: 32px;
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-inner);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: #FFFFFF;
  border: 1px solid var(--border-standard);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14.5px;
  transition: border-color var(--motion-fast) var(--ease-out), box-shadow var(--motion-fast) var(--ease-out);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(85, 119, 255, 0.14);
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-feedback {
  margin-top: 10px;
  font-size: 13.5px;
  font-weight: 600;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #EFECE4;
  border-top: 1px solid var(--border-subtle);
  padding: 68px 0 calc(36px + env(safe-area-inset-bottom, 0px));
  color: var(--text-secondary);
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 44px;
}

.footer-col h5 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 13.5px;
}

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

.footer-bottom {
  padding-top: 26px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12.5px;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Breakpoints (Desktop 1440 / Tablet 768 / Mobile 390)
   ========================================================================== */
@media (max-width: 1180px) {
  .nav-menu {
    gap: 16px;
  }
  .workflow-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 1024px) {
  .nav-menu,
  .nav-actions {
    display: none;
  }
  .mobile-toggle {
    display: inline-flex;
  }
  .hero-grid,
  .island-layout,
  .project-band,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .grid-4,
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .dark-island-shell {
    padding: 40px 28px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  .hero-section {
    padding: calc(108px + env(safe-area-inset-top, 0px)) 0 56px;
  }
  .hero-screenshot-pair,
  .island-card-grid,
  .project-qr-showcase,
  .grid-4,
  .grid-3,
  .grid-2,
  .workflow-grid,
  .footer-grid,
  .form-row-2 {
    grid-template-columns: 1fr;
  }
  .project-qr-img {
    margin: 0 auto;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
  .project-band {
    padding: 24px 20px;
  }
  .cta-card-inner {
    padding: 36px 22px;
  }
}

@media (max-width: 430px) {
  .container {
    padding-left: calc(16px + env(safe-area-inset-left, 0px));
    padding-right: calc(16px + env(safe-area-inset-right, 0px));
  }
  .dark-island-shell {
    padding: 28px 18px;
    border-radius: 20px;
  }
  .brand-sub-tag {
    display: none;
  }
}