/* OpenSunstar launch site — visual system aligned with yuque-ecosystem */
:root {
  --color-primary: #00b96b;
  --color-primary-hover: #00d47e;
  --color-bg: #0d1117;
  --color-bg-secondary: #161b22;
  --color-bg-card: #1c2128;
  --color-border: #30363d;
  --color-text: #e6edf3;
  --color-text-secondary: #8b949e;
  --color-text-muted: #6e7681;

  /* aliases for existing markup */
  --bg: var(--color-bg);
  --bg-elevated: var(--color-bg-secondary);
  --bg-muted: var(--color-bg-card);
  --text: var(--color-text);
  --text-secondary: var(--color-text-secondary);
  --text-muted: var(--color-text-muted);
  --border: var(--color-border);
  --border-light: var(--color-border);
  --accent: var(--color-primary);
  --accent-hover: var(--color-primary-hover);
  --accent-soft: rgba(0, 185, 107, 0.12);

  --radius: 12px;
  --radius-lg: 16px;
  --max-width: 1200px;
  --nav-height: 64px;
  --font:
    "Inter", -apple-system, "PingFang SC", "Noto Sans SC", "Microsoft YaHei",
    sans-serif;
  --font-mono:
    "SF Mono", "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

::selection {
  background: rgba(0, 185, 107, 0.3);
  color: #fff;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-hover);
}

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

.container {
  width: min(var(--max-width), calc(100% - 48px));
  margin-inline: auto;
}

/* ── Brand logo (transparent PNG) ─────────────── */

.brand-logo {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  object-fit: contain;
  display: block;
  image-rendering: auto;
}

.brand-logo-sm {
  width: 22px;
  height: 22px;
}

/* ── Nav ─────────────────────────────────────── */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}

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

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 185, 107, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  color: var(--color-text);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

/* ── Hero ────────────────────────────────────── */

.hero {
  position: relative;
  min-height: auto;
  padding: 100px 0 60px;
  text-align: center;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 185, 107, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 185, 107, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(
    ellipse 80% 60% at 50% 40%,
    black 30%,
    transparent 100%
  );
  -webkit-mask-image: radial-gradient(
    ellipse 80% 60% at 50% 40%,
    black 30%,
    transparent 100%
  );
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(0, 185, 107, 0.12) 0%,
    transparent 70%
  );
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: hero-pulse 8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes hero-pulse {
  0%,
  100% {
    opacity: 0.6;
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.12);
  }
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: blink 2s ease-in-out infinite;
}

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

.hero h1,
.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.12;
  margin: 0 0 24px;
  background: linear-gradient(135deg, #ffffff, #00b96b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-preview {
  margin-top: 56px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
  background: var(--color-bg-secondary);
  text-align: left;
}

/* ── App mock ────────────────────────────────── */

.app-mock {
  background: var(--color-bg-secondary);
}

.app-mock-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.app-mock-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.app-mock-dots {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.app-mock-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.app-mock-dots span:nth-child(1) {
  background: #ff5f57;
}
.app-mock-dots span:nth-child(2) {
  background: #febc2e;
}
.app-mock-dots span:nth-child(3) {
  background: #28c840;
}

.app-mock-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
}

.app-mock-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.app-mock-tab {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
}

.app-mock-tab.active {
  background: rgba(0, 185, 107, 0.12);
  border-color: rgba(0, 185, 107, 0.4);
  color: var(--color-primary);
}

.app-mock-body {
  padding: 12px 16px 16px;
}

.app-mock-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  margin-bottom: 8px;
  background: var(--color-bg-secondary);
  transition:
    border-color 0.15s,
    background 0.15s;
}

.app-mock-row:last-child {
  margin-bottom: 0;
}

.app-mock-row:hover {
  background: rgba(0, 185, 107, 0.04);
}

.app-mock-row.highlight {
  border-color: rgba(0, 185, 107, 0.35);
  box-shadow: 0 0 0 1px rgba(0, 185, 107, 0.08);
}

.app-mock-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.app-mock-icon.ds {
  background: linear-gradient(135deg, #4d6bfe, #3b52d9);
}
.app-mock-icon.or {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
}
.app-mock-icon.glm {
  background: linear-gradient(135deg, #3485ff, #504af4);
}
.app-mock-icon.ant {
  background: linear-gradient(135deg, #d97757, #c96442);
}

.app-mock-info {
  min-width: 0;
  flex: 1;
}

.app-mock-info strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 2px;
  color: var(--color-text);
}

.app-mock-info span {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-mock-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(0, 185, 107, 0.12);
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ── Sections ────────────────────────────────── */

section {
  padding: 100px 0;
  background: transparent;
}

.section-label {
  display: block;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0;
  margin: 0 0 16px;
  line-height: 1.25;
  color: var(--color-text);
}

.section-desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 0 48px;
  line-height: 1.75;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header .section-desc {
  margin-inline: auto;
  margin-bottom: 0;
}

/* ── Cards ───────────────────────────────────── */

.card-grid {
  display: grid;
  gap: 24px;
}

.card-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  position: relative;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s ease;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-primary),
    transparent
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  border-color: rgba(0, 185, 107, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.card-icon.teal,
.card-icon.orange,
.card-icon.gold {
  background: rgba(0, 185, 107, 0.1);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
}

.card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(0, 185, 107, 0.08);
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 500;
  font-family: var(--font-mono);
  border: 1px solid rgba(0, 185, 107, 0.15);
}

.card-meta {
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 500;
}

/* ── Tools strip ─────────────────────────────── */

.tools-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all 0.2s ease;
}

.tool-chip:hover {
  border-color: rgba(0, 185, 107, 0.4);
  color: var(--color-text);
  background: rgba(0, 185, 107, 0.06);
}

/* ── Lifecycle / Philosophy ──────────────────── */

.lifecycle {
  display: flex;
  align-items: stretch;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
}

.phase-card {
  --phase-color: var(--color-primary);
  width: 240px;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  text-align: left;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.phase-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--phase-color);
  opacity: 0.85;
}

.phase-card:hover {
  border-color: var(--phase-color);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.phase-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.phase-emoji {
  font-size: 1.75rem;
}

.phase-en {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.phase-card h4 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
}

.phase-card p {
  margin: 0 0 16px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  flex: 1;
}

.phase-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.phase-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  background: rgba(0, 185, 107, 0.08);
  color: var(--color-primary);
  font-size: 11px;
  font-weight: 500;
  font-family: var(--font-mono);
  border: 1px solid rgba(0, 185, 107, 0.15);
}

.flow-arrow {
  display: flex;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 1.25rem;
  padding: 0 12px;
  flex-shrink: 0;
}

.loop-footer {
  margin-top: 40px;
  text-align: center;
}

.loop-line {
  width: 80%;
  max-width: 600px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border),
    transparent
  );
  margin: 0 auto 16px;
}

.loop-text {
  font-size: 13px;
  color: var(--color-text-muted);
  font-style: italic;
  margin: 0;
}

/* legacy flow fallback */
.flow {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 16px;
  justify-content: center;
}

.flow-step {
  flex: 1 1 200px;
  max-width: 240px;
  text-align: left;
  padding: 24px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.flow-step .step-num {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(0, 185, 107, 0.1);
  border: 1px solid rgba(0, 185, 107, 0.2);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.flow-step h4 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.flow-step p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* ── Feature list ────────────────────────────── */

.feature-list {
  display: grid;
  gap: 16px;
}

.feature-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  transition: all 0.2s ease;
}

.feature-item:hover {
  border-color: rgba(0, 185, 107, 0.25);
  background: rgba(0, 185, 107, 0.03);
}

.feature-item strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
  color: var(--color-text);
}

.feature-item span {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
}

.feature-item .fi-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(0, 185, 107, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

/* ── Quick start ─────────────────────────────── */

.platform-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 24px;
  padding: 4px;
  border-radius: 12px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
}

.platform-tab {
  padding: 8px 16px;
  border-radius: 8px;
  border: none;
  background: transparent;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font);
}

.platform-tab:hover {
  color: var(--color-text);
}

.platform-tab.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 12px rgba(0, 185, 107, 0.3);
}

.platform-panel {
  display: none;
}

.platform-panel.active {
  display: block;
}

.platform-panel > p {
  color: var(--color-text-secondary) !important;
}

.platform-panel code {
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.code-block {
  position: relative;
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  overflow-x: auto;
}

.code-block .comment {
  color: var(--color-text-muted);
}

.code-block .cmd {
  color: var(--color-primary);
}

.copy-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  cursor: pointer;
}

.copy-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.prereq {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.prereq-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(0, 185, 107, 0.06);
  border: 1px solid rgba(0, 185, 107, 0.12);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.prereq-item .check {
  color: var(--color-primary);
  font-weight: 700;
}

.download-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.download-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  transition: all 0.2s ease;
}

.download-card:hover {
  border-color: rgba(0, 185, 107, 0.3);
  transform: translateY(-2px);
}

.download-card h4 {
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
}

.download-card p {
  margin: 0 0 16px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ── FAQ ─────────────────────────────────────── */

.faq-list {
  max-width: 760px;
  margin-inline: auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  padding: 20px 0;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--color-text);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--color-text-muted);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0 0 20px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--color-primary);
}

/* ── Footer ──────────────────────────────────── */

.site-footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--color-border);
  background: transparent;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  max-width: 380px;
  margin: 12px 0 0;
}

.footer-col h5 {
  margin: 0 0 12px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ── Responsive ──────────────────────────────── */

@media (max-width: 1060px) {
  .lifecycle {
    gap: 16px;
  }

  .flow-arrow {
    display: none;
  }

  .phase-card {
    width: calc(50% - 8px);
    min-width: 220px;
  }
}

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

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

  section {
    padding: 60px 0;
  }

  .hero {
    padding: 80px 0 48px;
  }

  .hero h1,
  .hero-title {
    font-size: 2.6rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero .subtitle {
    font-size: 1.08rem;
  }

  .app-mock-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .phase-card {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    width: calc(100% - 32px);
  }

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

  .hero h1,
  .hero-title {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }
}