/* ════════════════════════════════════════
   Mind Mirror — Landing Page Styles
   Primary: #6C63FF  BG-light: #F8F9FA  BG-dark: #0F0F1A
   ════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --primary:        #6C63FF;
  --primary-light:  #8B84FF;
  --primary-dark:   #5046E5;
  --secondary:      #FF6B9D;
  --accent-teal:    #00D4AA;
  --joy:            #FFD93D;
  --neutral:        #74B9FF;
  --sad:            #A29BFE;
  --anxious:        #FDCB6E;
  --angry:          #FF7675;

  --bg:             #F8F9FA;
  --bg-alt:         #EEEEF7;
  --bg-card:        #FFFFFF;
  --bg-nav:         rgba(248,249,250,0.88);
  --text:           #1A1A2E;
  --text-muted:     #6B7280;
  --text-faint:     #9CA3AF;
  --border:         rgba(108,99,255,0.12);
  --shadow-sm:      0 2px 8px rgba(108,99,255,0.10);
  --shadow-md:      0 8px 32px rgba(108,99,255,0.14);
  --shadow-lg:      0 16px 64px rgba(108,99,255,0.18);
  --radius-sm:      8px;
  --radius-md:      16px;
  --radius-lg:      24px;
  --radius-xl:      36px;
  --transition:     0.25s cubic-bezier(0.4,0,0.2,1);
}

[data-theme="dark"] {
  --bg:             #0F0F1A;
  --bg-alt:         #15152A;
  --bg-card:        #1C1C35;
  --bg-nav:         rgba(15,15,26,0.88);
  --text:           #E8E8F8;
  --text-muted:     #9CA3AF;
  --text-faint:     #6B7280;
  --border:         rgba(108,99,255,0.20);
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.30);
  --shadow-md:      0 8px 32px rgba(0,0,0,0.40);
  --shadow-lg:      0 16px 64px rgba(0,0,0,0.50);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Utilities ── */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 60%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ── Scroll animations ── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible { opacity: 1; transform: none; }
.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }
.animate-on-scroll.delay-5 { transition-delay: 0.5s; }
.animate-on-scroll.delay-6 { transition-delay: 0.6s; }

/* ════════ NAVBAR ════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
  padding: 12px 0;
}
.nav-container {
  max-width: 1140px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.125rem;
}
.logo-icon { font-size: 1.5rem; line-height: 1; }
.logo-text { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-links {
  display: flex; align-items: center; gap: 32px;
}
.nav-links a {
  font-size: 0.9375rem; font-weight: 500; color: var(--text-muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--primary); }
.nav-right { display: flex; align-items: center; gap: 12px; }

.lang-switcher {
  display: flex; align-items: center; gap: 4px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
}
.lang-btn {
  padding: 4px 12px; border-radius: 999px;
  font-size: 0.8125rem; font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition);
}
.lang-btn.active, .lang-btn:hover {
  background: var(--primary); color: #fff;
}
.theme-toggle {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--bg-alt); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: background var(--transition), border-color var(--transition);
}
.theme-toggle:hover { border-color: var(--primary); }

.lang-dropdown { display: none; position: relative; }
.lang-dropdown-trigger {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color var(--transition), background var(--transition);
}
.lang-dropdown-trigger:hover { border-color: var(--primary); }
.lang-dropdown-arrow {
  flex-shrink: 0;
  transition: transform 0.2s ease;
  opacity: 0.6;
}
.lang-dropdown.open .lang-dropdown-arrow { transform: rotate(180deg); }
.lang-dropdown-menu {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  min-width: 130px;
  overflow: hidden;
  z-index: 1001;
  list-style: none;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}
.lang-dropdown.open .lang-dropdown-menu {
  opacity: 1; transform: translateY(0); pointer-events: auto;
}
.lang-dropdown-item {
  padding: 14px 20px;
  font-size: 0.9375rem; font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.lang-dropdown-item:hover { background: var(--bg-alt); color: var(--primary); }
.lang-dropdown-item.active { color: var(--primary); font-weight: 700; background: rgba(108,99,255,0.06); }

/* hamburger */
.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  width: 36px; height: 36px; align-items: center; justify-content: center;
}
.menu-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: all var(--transition);
}
.menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ════════ HERO ════════ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 100px 0 60px;
  overflow: hidden;
}
.hero-container {
  max-width: 1140px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 64px;
}
.hero-content { z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg, rgba(108,99,255,0.12), rgba(255,107,157,0.12));
  border: 1px solid rgba(108,99,255,0.25);
  color: var(--primary);
  padding: 6px 16px; border-radius: 999px;
  font-size: 0.875rem; font-weight: 600;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800; line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-subtitle {
  font-size: 1.0625rem; color: var(--text-muted); line-height: 1.75;
  max-width: 480px; margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.btn-primary {
  padding: 14px 28px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; font-weight: 600; font-size: 1rem;
  box-shadow: 0 4px 20px rgba(108,99,255,0.35);
  transition: all var(--transition);
  display: inline-block;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(108,99,255,0.45);
}
.btn-secondary {
  padding: 14px 28px; border-radius: 14px;
  background: var(--bg-card); border: 1.5px solid var(--border);
  color: var(--text); font-weight: 600; font-size: 1rem;
  transition: all var(--transition);
  display: inline-block;
}
.btn-secondary:hover {
  border-color: var(--primary); color: var(--primary);
  transform: translateY(-2px);
}
.hero-stats {
  display: flex; align-items: center; gap: 0;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px 28px;
  box-shadow: var(--shadow-sm);
  width: fit-content;
}
.stat { text-align: center; padding: 0 24px; }
.stat-num {
  display: block; font-size: 1.5rem; font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-num.pop { animation: pop 0.4s ease; }
@keyframes pop { 0%,100%{transform:scale(1)} 50%{transform:scale(1.2)} }
.stat-label { font-size: 0.8125rem; color: var(--text-faint); font-weight: 500; }
.stat-div { width: 1px; background: var(--border); height: 36px; }

/* Phone Mockup */
.hero-visual { position: relative; display: flex; justify-content: center; z-index: 1; }
.phone-mockup {
  position: relative;
  width: 280px; height: 580px;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 8px solid var(--bg-alt);
  box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255,255,255,0.1);
  overflow: hidden;
  transition: transform 0.3s ease;
  transform-style: preserve-3d;
}
.phone-notch {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 100px; height: 26px;
  background: var(--bg-alt);
  border-radius: 0 0 18px 18px;
  z-index: 10;
}
.phone-screen {
  height: 100%; overflow: hidden;
  background: linear-gradient(180deg, #0F0F1A 0%, #1A1A2E 100%);
  display: flex; flex-direction: column; gap: 12px;
  padding: 36px 14px 14px;
}
.app-header {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 6px;
}
.app-date { color: #9CA3AF; font-size: 0.75rem; font-weight: 500; }
.app-icons { color: #9CA3AF; font-size: 0.875rem; letter-spacing: 4px; }

.mood-card-wrap { border-radius: 16px; overflow: hidden; }
.mood-card-inner {
  background: linear-gradient(135deg, #00B894, #00CEC9);
  padding: 14px 16px;
  display: flex; align-items: center; gap: 12px;
}
.mood-card-emoji { font-size: 1.8rem; }
.mood-card-label { color: rgba(255,255,255,0.8); font-size: 0.7rem; }
.mood-card-val { color: #fff; font-size: 1rem; font-weight: 700; }

.diary-item-mini {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px; padding: 12px 14px;
  display: flex; flex-direction: column; gap: 6px;
}
.di-row { display: flex; align-items: center; gap: 8px; }
.di-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: linear-gradient(135deg, #FFD93D, #FF6B9D);
  flex-shrink: 0;
}
.di-title { color: #E8E8F8; font-size: 0.8125rem; font-weight: 600; }
.di-preview { color: #6B7280; font-size: 0.7rem; }
.di-tags { display: flex; gap: 4px; flex-wrap: wrap; }
.di-tag {
  background: rgba(108,99,255,0.2); color: #A29BFE;
  padding: 2px 8px; border-radius: 999px; font-size: 0.65rem;
}

.ai-bar {
  background: linear-gradient(135deg, rgba(108,99,255,0.15), rgba(255,107,157,0.10));
  border: 1px solid rgba(108,99,255,0.25);
  border-radius: 12px; padding: 10px 14px;
  display: flex; align-items: center; gap: 10px;
}
.ai-sparkle { font-size: 1.1rem; }
.ai-bar-label { color: #A29BFE; font-size: 0.7rem; font-weight: 600; }
.ai-bar-prev { color: #6B7280; font-size: 0.68rem; }

/* Floating cards */
.floating-card {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8125rem; font-weight: 600; color: var(--text);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  animation: float 3.5s ease-in-out infinite;
}
.fc-emoji { font-size: 1.1rem; }
.card-1 { top: 16%; left: -60px; }
.card-2 { bottom: 30%; right: -55px; }
.card-3 { bottom: 10%; left: -50px; }
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

/* BG Orbs */
.hero-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.bg-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.35;
}
.orb-1 { width: 500px; height: 500px; top: -120px; right: -100px; background: radial-gradient(circle, #6C63FF, transparent 70%); }
.orb-2 { width: 380px; height: 380px; bottom: -60px; left: -80px; background: radial-gradient(circle, #FF6B9D, transparent 70%); }
.orb-3 { width: 260px; height: 260px; top: 40%; left: 40%; background: radial-gradient(circle, #00D4AA, transparent 70%); opacity: 0.2; }

/* ════════ SECTIONS COMMON ════════ */
section { padding: 96px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(108,99,255,0.12), rgba(255,107,157,0.12));
  border: 1px solid rgba(108,99,255,0.25);
  color: var(--primary); font-size: 0.8125rem; font-weight: 700;
  padding: 5px 14px; border-radius: 999px;
  margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.06em;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 14px;
}
.section-subtitle { font-size: 1.0625rem; color: var(--text-muted); max-width: 540px; margin: 0 auto; }

/* ════════ FEATURES ════════ */
.features { background: var(--bg-alt); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.feature-card.featured {
  background: linear-gradient(135deg, rgba(108,99,255,0.08), rgba(255,107,157,0.04));
  border-color: rgba(108,99,255,0.30);
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto auto;
  align-items: start;
  gap: 0;
}
.feature-card.featured .feature-icon { grid-column: 1; font-size: 2.4rem; margin-bottom: 12px; }
.feature-card.featured h3 { grid-column: 1; }
.feature-card.featured p { grid-column: 1 / 3; margin-top: 10px; color: var(--text-muted); font-size: 0.9375rem; line-height: 1.65; }
.feature-card.featured .feature-tags { grid-column: 1 / 3; margin-top: 16px; }

.feature-icon { font-size: 2rem; margin-bottom: 16px; line-height: 1; }
.feature-card h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 0.9375rem; line-height: 1.65; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.feature-tags span {
  background: rgba(108,99,255,0.10); color: var(--primary);
  border: 1px solid rgba(108,99,255,0.20);
  padding: 4px 12px; border-radius: 999px; font-size: 0.8125rem; font-weight: 600;
}

/* ════════ EMOTIONS ════════ */
.emotions-section { background: var(--bg); }
.emotions-grid {
  display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;
}
.emotion-card {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  background: var(--bg-card);
  width: 140px;
  transition: all var(--transition);
  cursor: default;
}
.emotion-card:hover { transform: translateY(-6px) scale(1.04); box-shadow: var(--shadow-md); }
.emotion-emoji { font-size: 2.5rem; }
.emotion-img { width: 64px; height: 64px; object-fit: contain; display: block; }
.emotion-name { font-size: 0.9375rem; font-weight: 700; }

.emotion-card.joy   { border-color: rgba(255,217,61,0.40); }
.emotion-card.joy:hover { border-color: var(--joy); box-shadow: 0 8px 32px rgba(255,217,61,0.20); }
.emotion-card.neutral { border-color: rgba(116,185,255,0.40); }
.emotion-card.neutral:hover { border-color: var(--neutral); box-shadow: 0 8px 32px rgba(116,185,255,0.20); }
.emotion-card.sad   { border-color: rgba(162,155,254,0.40); }
.emotion-card.sad:hover { border-color: var(--sad); box-shadow: 0 8px 32px rgba(162,155,254,0.20); }
.emotion-card.anxious { border-color: rgba(253,203,110,0.40); }
.emotion-card.anxious:hover { border-color: var(--anxious); box-shadow: 0 8px 32px rgba(253,203,110,0.20); }
.emotion-card.angry { border-color: rgba(255,118,117,0.40); }
.emotion-card.angry:hover { border-color: var(--angry); box-shadow: 0 8px 32px rgba(255,118,117,0.20); }
.emotion-card.excitement { border-color: rgba(255,107,157,0.40); }
.emotion-card.excitement:hover { border-color: #FF6B9D; box-shadow: 0 8px 32px rgba(255,107,157,0.20); }
.emotion-card.proud { border-color: rgba(0,212,170,0.40); }
.emotion-card.proud:hover { border-color: var(--accent-teal); box-shadow: 0 8px 32px rgba(0,212,170,0.20); }
.emotion-card.tired { border-color: rgba(180,190,200,0.45); }
.emotion-card.tired:hover { border-color: #B2BEC3; box-shadow: 0 8px 32px rgba(180,190,200,0.20); }

/* ════════ AI FEATURES ════════ */
.ai-features-section { background: var(--bg-alt); }
.ai-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ai-feat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: all var(--transition);
}
.ai-feat-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.ai-feat-icon {
  font-size: 1.75rem; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(108,99,255,0.12), rgba(255,107,157,0.08));
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}
.ai-feat-card h3 { font-size: 1.0625rem; font-weight: 700; margin-bottom: 10px; }
.ai-feat-card p { color: var(--text-muted); font-size: 0.9375rem; line-height: 1.65; }

/* ════════ FEATURE SPOTLIGHT ════════ */
.feature-spotlight { background: var(--bg); }
.relation-spotlight { background: var(--bg-alt); }

.spot-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.spot-title {
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
}
.spot-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 28px;
}
.spot-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  list-style: none;
}
.spot-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
}
.spot-check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

/* ── Chat Diary visual ── */
.chat-spotlight { background: var(--bg-alt); }

.chat-mockup {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  max-width: 420px;
  margin: 0 auto;
}
.chat-mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9375rem;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(108,99,255,0.07), rgba(255,107,157,0.04));
}
.chat-mockup-icon { font-size: 1.1rem; line-height: 1; }
.chat-mockup-body {
  padding: 16px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.chat-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}
.ai-row { justify-content: flex-start; }
.user-row { justify-content: flex-end; }
.chat-ava {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
}
.chat-bub {
  max-width: 75%;
  padding: 9px 13px;
  border-radius: 16px;
  font-size: 0.8125rem;
  line-height: 1.5;
}
.chat-bub-ai {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text);
  border-bottom-left-radius: 4px;
}
.chat-bub-user {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-mockup-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
}
.chat-gen {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
}

/* ── Photo flow visual ── */
.photo-flow-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  box-shadow: var(--shadow-md);
}
.pf-photo-box {
  flex: 1;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, rgba(108,99,255,0.08), rgba(255,107,157,0.06));
  border: 1.5px dashed rgba(108,99,255,0.35);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.pf-camera { font-size: 2.2rem; line-height: 1; }
.pf-hint {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  opacity: 0.8;
}
.pf-arrow {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0 2px;
}
.pf-ai-badge {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.pf-arr-icon {
  font-size: 1.25rem;
  color: var(--primary);
  opacity: 0.6;
  line-height: 1;
}
.pf-diary-box {
  flex: 1.3;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pf-diary-header {
  display: flex;
  align-items: center;
  gap: 6px;
}
.pf-diary-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FFD93D, #FF6B9D);
  flex-shrink: 0;
}
.pf-diary-date {
  font-size: 0.6875rem;
  color: var(--text-muted);
  flex: 1;
}
.pf-diary-tag {
  background: rgba(255,217,61,0.18);
  color: #9a7800;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}
[data-theme="dark"] .pf-diary-tag { color: #FFD93D; background: rgba(255,217,61,0.12); }
.pf-diary-title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text);
}
.pf-diary-lines {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.pf-dl {
  display: block;
  height: 7px;
  border-radius: 4px;
  background: var(--border);
  opacity: 0.8;
}
.pf-dl-full { width: 100%; }
.pf-dl-4-5  { width: 80%; }
.pf-dl-3-5  { width: 58%; }
.pf-done {
  display: flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, rgba(108,99,255,0.12), rgba(255,107,157,0.08));
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 2px;
}

/* ── Relation card visual ── */
.relation-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 28px 20px;
  box-shadow: var(--shadow-md);
  max-width: 420px;
  margin: 0 auto;
}
.rc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.rc-title { font-size: 1.0625rem; font-weight: 700; }
.rc-list { display: flex; flex-direction: column; gap: 16px; }
.rc-item { display: flex; align-items: center; gap: 10px; }
.rc-person {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 72px;
}
.rc-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  flex-shrink: 0;
}
.rc-av-pink   { background: linear-gradient(135deg, #FF6B9D, #e84393); }
.rc-av-purple { background: linear-gradient(135deg, #6C63FF, #4834d4); }
.rc-av-teal   { background: linear-gradient(135deg, #00D4AA, #00b48a); }
.rc-av-yellow { background: linear-gradient(135deg, #FDCB6E, #e17055); }
.rc-name { font-size: 0.8125rem; font-weight: 600; white-space: nowrap; }
.rc-bar-wrap {
  flex: 1;
  height: 8px;
  background: var(--bg-alt);
  border-radius: 999px;
  overflow: hidden;
}
.rc-bar {
  width: 0;
  height: 100%;
  border-radius: 999px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.5s;
}
.animate-on-scroll.visible .rc-bar { width: var(--bar-w, 50%); }
.rc-bar-pink   { background: linear-gradient(90deg, #FF6B9D, #e84393); }
.rc-bar-purple { background: linear-gradient(90deg, #6C63FF, #4834d4); }
.rc-bar-teal   { background: linear-gradient(90deg, #00D4AA, #00b48a); }
.rc-bar-yellow { background: linear-gradient(90deg, #FDCB6E, #e17055); }
.rc-score { font-size: 0.8125rem; font-weight: 700; min-width: 24px; text-align: right; }
.rc-footer {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
}
.rc-ai-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  opacity: 0.75;
}

/* ════════ HOW IT WORKS ════════ */
.how-it-works { background: var(--bg-alt); }
.steps {
  display: grid; grid-template-columns: 1fr 40px 1fr 40px 1fr; align-items: center;
  gap: 0;
}
.step {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px 28px;
  text-align: center; transition: all var(--transition);
}
.step:hover { border-color: var(--primary); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.step-num {
  font-size: 0.75rem; font-weight: 800; letter-spacing: 0.08em;
  color: var(--primary); text-transform: uppercase; margin-bottom: 16px;
}
.step-visual {
  font-size: 2.8rem; margin-bottom: 16px; line-height: 1;
  display: block;
}
.step h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 10px; }
.step p { color: var(--text-muted); font-size: 0.9375rem; line-height: 1.65; }
.step-arrow {
  text-align: center; font-size: 1.5rem; color: var(--primary);
  opacity: 0.5;
}

/* ════════ DOWNLOAD ════════ */
.download { position: relative; overflow: hidden; background: var(--bg); }
.download-inner {
  max-width: 600px; margin: 0 auto; text-align: center; position: relative; z-index: 1;
}
.download-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 14px;
}
.download-subtitle { color: var(--text-muted); font-size: 1.0625rem; margin-bottom: 40px; }
.store-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.store-btn {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--radius-md); padding: 14px 24px;
  font-weight: 600; transition: all var(--transition);
  min-width: 200px;
}
.store-btn:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.store-btn:active { transform: translateY(0); }
.store-btn svg { flex-shrink: 0; opacity: 0.85; }
.store-label { font-size: 0.75rem; color: var(--text-muted); display: block; }
.store-name { font-size: 1.0625rem; font-weight: 700; }

.dl-bg { position: absolute; inset: 0; pointer-events: none; }
.orb-4 { position: absolute; width: 700px; height: 700px; top: -200px; left: 50%; transform: translateX(-50%); background: radial-gradient(circle, rgba(108,99,255,0.12), transparent 65%); border-radius: 50%; filter: blur(60px); }

/* ════════ FOOTER ════════ */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 60px 0 0; }
.footer-container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.footer-top { display: flex; gap: 64px; margin-bottom: 48px; flex-wrap: wrap; }
.footer-brand { flex: 1; min-width: 200px; }
.footer-brand .nav-logo { margin-bottom: 12px; }
.footer-tagline { color: var(--text-muted); font-size: 0.9375rem; }
.footer-links { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 { font-size: 0.875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); margin-bottom: 4px; }
.footer-col a { font-size: 0.9375rem; color: var(--text-muted); transition: color var(--transition); }
.footer-col a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
}
.footer-copy { font-size: 0.875rem; color: var(--text-faint); }
.footer-langs { display: flex; gap: 4px; }
.footer-langs button {
  padding: 4px 12px; border-radius: 999px;
  font-size: 0.8125rem; font-weight: 500; color: var(--text-faint);
  transition: all var(--transition);
}
.footer-langs button:hover { color: var(--primary); background: rgba(108,99,255,0.08); }

/* ════════ RESPONSIVE ════════ */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; gap: 48px; }
  .hero-content { order: 1; }
  .hero-visual { order: 2; }
  .hero-subtitle { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }
  .hero-stats { margin: 0 auto; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-card.featured { grid-column: span 2; }
  .ai-features-grid { grid-template-columns: 1fr 1fr; }
  .spot-inner { gap: 48px; }
  .steps { grid-template-columns: 1fr; }
  .step-arrow { transform: rotate(90deg); }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }
  .nav-links { display: none; position: fixed; top: 0; left: 0; right: 0; height: 100vh; background: var(--bg); flex-direction: column; justify-content: center; align-items: center; gap: 32px; z-index: 999; font-size: 1.25rem; }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.25rem; }
  .menu-toggle { display: flex; z-index: 1000; }
  .lang-switcher { display: none; }
  .lang-dropdown { display: block; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card.featured { grid-column: span 1; display: flex; flex-direction: column; }
  .ai-features-grid { grid-template-columns: 1fr; }
  .feature-card.featured .feature-tags { margin-top: 12px; }
  .spot-inner {
    display: flex;
    flex-direction: column;
    gap: 36px;
  }
  .photo-spot-inner .spot-visual { order: 2; }
  .photo-spot-inner .spot-content { order: 1; }
  .photo-flow-wrap { flex-direction: column; gap: 12px; padding: 20px 16px; }
  .pf-photo-box { min-height: 100px; width: 100%; }
  .pf-arrow { flex-direction: row; justify-content: center; }
  .pf-arr-icon { transform: rotate(90deg); }
  .pf-diary-box { width: 100%; }
  .relation-card { padding: 20px 18px 16px; }
  .step-arrow { font-size: 1.2rem; transform: rotate(90deg); }
  .card-1, .card-2, .card-3 { display: none; }
  .hero-badge { font-size: 0.8125rem; }
  .footer-top { gap: 32px; }
  .footer-links { gap: 32px; }
}

@media (max-width: 480px) {
  .hero-stats { padding: 14px 12px; width: 100%; flex-wrap: nowrap; }
  .stat { flex: 1; padding: 0 8px; }
  .stat-num { font-size: 1.2rem; }
  .stat-label { font-size: 0.6875rem; }
  .stat-div { width: 1px; height: 28px; }
  .store-buttons { flex-wrap: nowrap; gap: 10px; }
  .store-btn { min-width: unset; flex: 1; padding: 12px 10px; gap: 8px; }
  .store-btn svg { width: 22px; height: 22px; flex-shrink: 0; }
  .store-label { font-size: 0.6875rem; }
  .store-name { font-size: 0.9375rem; }
  .emotions-grid { gap: 10px; }
  .emotion-card { width: 100px; padding: 20px 14px; }
  .emotion-emoji { font-size: 2rem; }
  .emotion-img { width: 50px; height: 50px; }
  .spot-title { font-size: 1.6rem; }
  .rc-person { min-width: 60px; }
}