/* ================================================
   Emma Chen English Tutor — Main Stylesheet
   Color Palette: Blush Pink & Peach / Rose Gold
   ================================================ */

/* === CSS Variables === */
:root {
  --pink-light:    #fce9e1;
  --pink-mid:      #f8c0c0;
  --peach:         #f4a68a;
  --rose-gold:     #c9956a;
  --rose-dark:     #d4845a;
  --cream:         #fdf8f5;
  --cream-warm:    #fdf5f0;
  --text-dark:     #3d2c28;
  --text-mid:      #6b4c44;
  --text-light:    #9e7b72;
  --white:         #ffffff;

  --font-serif:    'Playfair Display', Georgia, serif;
  --font-sans:     'DM Sans', 'Helvetica Neue', sans-serif;

  --radius-sm:     8px;
  --radius-md:     16px;
  --radius-lg:     32px;
  --radius-full:   9999px;

  --shadow-sm:     0 2px 12px rgba(201, 149, 106, 0.12);
  --shadow-md:     0 8px 32px rgba(201, 149, 106, 0.18);
  --shadow-lg:     0 16px 48px rgba(201, 149, 106, 0.24);

  --transition:    0.3s ease;
  --max-w:         1200px;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--cream);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding { padding: 80px 0; }

/* === Typography === */
h1, h2, h3 {
  font-family: var(--font-serif);
  line-height: 1.3;
  color: var(--text-dark);
}
h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

em { font-style: italic; color: var(--rose-gold); }

p { color: var(--text-mid); }

.section-tag {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rose-gold);
  margin-bottom: 12px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header h2 { margin-top: 8px; }

/* === Buttons === */
.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--peach), var(--rose-dark));
  color: var(--white);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  opacity: 0.92;
}

.btn-secondary {
  display: inline-block;
  padding: 14px 32px;
  border: 2px solid var(--rose-gold);
  color: var(--rose-gold);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}
.btn-secondary:hover {
  background: var(--rose-gold);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-white {
  display: inline-block;
  padding: 14px 32px;
  background: var(--white);
  color: var(--rose-dark);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  display: inline-block;
  padding: 14px 40px;
  border: 2px solid var(--rose-gold);
  color: var(--rose-gold);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}
.btn-outline:hover {
  background: var(--rose-gold);
  color: var(--white);
}

.btn-nav {
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--peach), var(--rose-dark));
  color: var(--white) !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: var(--transition);
}
.btn-nav:hover { opacity: 0.88; }

.btn-full { width: 100%; text-align: center; }

/* === Announcement Bar === */
.announcement-bar {
  background: linear-gradient(90deg, var(--rose-gold), var(--peach), var(--rose-gold));
  color: var(--white);
  text-align: center;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* === Navbar === */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(253, 248, 245, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201, 149, 106, 0.12);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-sm); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-en {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dark);
}
.logo-zh {
  font-size: 0.72rem;
  color: var(--text-light);
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: color var(--transition);
  white-space: nowrap;
}
.nav-links a:hover { color: var(--rose-dark); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === Wave Divider === */
.wave-divider {
  line-height: 0;
  background: var(--pink-light);
}
.wave-divider svg { display: block; width: 100%; height: 60px; }
.wave-flip { transform: scaleY(-1); background: var(--cream); }
.wave-contact { position: absolute; top: -1px; left: 0; right: 0; background: transparent; }

/* === Hero === */
.hero {
  position: relative;
  background: #fdf0e8;
  overflow: hidden;
  padding: 80px 0 60px;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

/* Blob background */
.hero-mesh-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  will-change: transform;
}
.blob-a {
  width: 680px; height: 680px;
  background: radial-gradient(circle, #f5a898 0%, #f2c0a8 55%, transparent 100%);
  top: -200px; left: -140px;
  opacity: 0.72;
  animation: blobDrift 14s ease-in-out infinite alternate;
}
.blob-b {
  width: 520px; height: 520px;
  background: radial-gradient(circle, #eec8d2 0%, #f0d4c4 55%, transparent 100%);
  top: 20%; right: -100px;
  opacity: 0.65;
  animation: blobDrift 18s ease-in-out 2s infinite alternate-reverse;
}
.blob-c {
  width: 460px; height: 460px;
  background: radial-gradient(circle, #f5c0a8 0%, #f8dcc8 60%, transparent 100%);
  bottom: -100px; left: 22%;
  opacity: 0.68;
  animation: blobDrift 12s ease-in-out 1s infinite alternate;
}
.blob-d {
  width: 340px; height: 340px;
  background: radial-gradient(circle, #f8e4d0 0%, transparent 70%);
  top: 50%; left: 8%;
  opacity: 0.55;
  animation: blobDrift 20s ease-in-out 3s infinite alternate-reverse;
}
@keyframes blobDrift {
  0%   { transform: translate(0px, 0px) scale(1); }
  33%  { transform: translate(50px, -40px) scale(1.07); }
  66%  { transform: translate(-30px, 60px) scale(0.94); }
  100% { transform: translate(70px, 20px) scale(1.06); }
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}
.hero-text {
  flex: 1 1 480px;
  max-width: 540px;
}

/* Hero eyebrow tag */
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,248,244,0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(245,180,160,0.45);
  border-radius: 50px;
  padding: 0.45rem 1.1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--rose-dark);
  letter-spacing: 0.10em;
  margin-bottom: 24px;
}
.hero-tag-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--rose-gold);
  flex-shrink: 0;
  animation: breatheDot 2.5s ease-in-out infinite;
}
@keyframes breatheDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(0.65); opacity: 0.4; }
}

/* Hero headline — words injected by JS */
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
  margin-bottom: 24px;
}
.hero-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(28px);
}
.hero-word.accent {
  font-style: italic;
  color: var(--rose-dark);
}
@keyframes wordFlyIn {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-mid);
  margin-bottom: 36px;
  line-height: 1.8;
  opacity: 0;
  animation: fadeUpHero 0.8s ease 1.6s forwards;
}
.hero-subtitle-en {
  display: block;
  font-size: 0.84rem;
  color: var(--text-light);
  letter-spacing: 0.03em;
  margin-top: 4px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUpHero 0.8s ease 1.9s forwards;
}

/* Ghost button for hero */
.btn-ghost-hero {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1.5px solid rgba(185,100,80,0.35);
  border-radius: 50px;
  padding: 13px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--rose-dark);
  text-decoration: none;
  transition: all 0.3s;
  letter-spacing: 0.02em;
}
.btn-ghost-hero .arrow-icon { display: inline-block; transition: transform 0.3s; }
.btn-ghost-hero:hover { background: rgba(185,100,80,0.07); border-color: var(--rose-dark); }
.btn-ghost-hero:hover .arrow-icon { transform: translateX(5px); }

/* Social proof avatars */
.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
  opacity: 0;
  animation: fadeUpHero 0.8s ease 2.2s forwards;
}
.proof-avatars { display: flex; }
.proof-av {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 2.5px solid white;
  margin-left: -9px;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.proof-av:first-child { margin-left: 0; }
.av-1 { background: linear-gradient(135deg, #f5a898, #d97b5e); }
.av-2 { background: linear-gradient(135deg, #eec8d2, #c9826e); }
.av-3 { background: linear-gradient(135deg, #f5b4a0, #d4705a); }
.av-4 { background: linear-gradient(135deg, #f2c0a8, #c06850); }
.proof-text { font-size: 0.82rem; color: var(--text-light); line-height: 1.5; margin: 0; }
.proof-text strong { color: var(--rose-dark); font-weight: 700; }

/* Right: photo + glass cards */
.hero-image {
  position: relative;
  flex: 0 0 400px;
  height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: fadeInRight 1s cubic-bezier(0.22,1,0.36,1) 0.4s forwards;
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(50px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Morphing blob photo frame */
.photo-morph {
  width: 310px; height: 420px;
  border-radius: 42% 58% 55% 45% / 52% 48% 52% 48%;
  overflow: hidden;
  background: linear-gradient(155deg, #f5a898 0%, #eec0a8 35%, #f0d4c0 65%, #f8e8d8 100%);
  animation: morphBlob 9s ease-in-out infinite;
  box-shadow: 0 20px 60px rgba(217,123,94,0.22), 0 6px 20px rgba(217,123,94,0.14), inset 0 1px 0 rgba(255,255,255,0.55);
  position: relative;
}
.photo-morph::before {
  content: '';
  position: absolute;
  top: -20%; left: -20%;
  width: 60%; height: 60%;
  background: rgba(255,255,255,0.28);
  border-radius: 50%;
  filter: blur(28px);
  pointer-events: none;
  z-index: 2;
}
@keyframes morphBlob {
  0%,100% { border-radius: 42% 58% 55% 45% / 52% 48% 52% 48%; }
  25%      { border-radius: 58% 42% 44% 56% / 60% 45% 55% 40%; }
  50%      { border-radius: 48% 52% 36% 64% / 55% 65% 35% 45%; }
  75%      { border-radius: 44% 56% 60% 40% / 40% 55% 45% 60%; }
}

/* Glass floating cards */
.glass-float {
  position: absolute;
  background: rgba(255,248,244,0.62);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,232,220,0.85);
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(217,123,94,0.13), 0 1px 0 rgba(255,255,255,0.85) inset;
}
.card-stat {
  bottom: 60px; left: -24px;
  padding: 16px 20px;
  min-width: 148px;
  animation: floatCard 4.5s ease-in-out infinite;
}
.glass-big-num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--rose-dark);
  line-height: 1;
}
.glass-label { font-size: 0.72rem; color: var(--text-mid); line-height: 1.5; margin-top: 4px; font-weight: 600; }
.glass-label span { display: block; color: var(--text-light); font-weight: 400; }
.card-live {
  top: 70px; right: -16px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: floatCard 5.5s ease-in-out 1.2s infinite;
}
.live-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: #5cb88a;
  box-shadow: 0 0 0 3px rgba(92,184,138,0.22);
  flex-shrink: 0;
  animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(92,184,138,0.22); }
  50%       { box-shadow: 0 0 0 7px rgba(92,184,138,0.08); }
}
.live-label { font-size: 0.78rem; font-weight: 700; color: var(--text-dark); white-space: nowrap; }
.card-quote {
  bottom: 130px; right: -28px;
  padding: 14px 18px;
  max-width: 180px;
  animation: floatCard 6s ease-in-out 2.5s infinite;
}
.quote-stars { color: #d4a060; font-size: 0.68rem; letter-spacing: 1px; margin-bottom: 5px; }
.quote-text { font-size: 0.72rem; color: var(--text-mid); line-height: 1.55; margin: 0 0 4px; }
.quote-author { font-size: 0.68rem; color: var(--text-light); font-weight: 600; margin: 0; }
@keyframes floatCard {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  z-index: 10;
  opacity: 0;
  animation: fadeUpHero 0.8s ease 2.8s forwards;
}
.scroll-hint-text { font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-light); }
.scroll-mouse {
  width: 22px; height: 34px;
  border: 1.5px solid rgba(185,100,80,0.35);
  border-radius: 11px;
  display: flex; justify-content: center; padding-top: 6px;
}
.scroll-wheel {
  width: 3px; height: 7px;
  background: var(--rose-gold);
  border-radius: 2px;
  animation: scrollWheel 1.8s ease-in-out infinite;
}
@keyframes scrollWheel {
  0%   { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(10px); }
}
@keyframes fadeUpHero {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-img-placeholder, .about-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-light);
  background: linear-gradient(135deg, #fce9e1, #f8c0c0);
}

/* === Stats Bar === */
.stats-bar {
  background: var(--cream);
  padding: 48px 0;
}
.stats-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.stat-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--rose-dark);
  line-height: 1;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.4;
}
.stat-divider {
  color: var(--pink-mid);
  font-size: 1.4rem;
  padding: 0 40px;
  flex-shrink: 0;
}

/* === About === */
.about { background: var(--cream); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
}

.about-image {
  position: relative;
  display: flex;
  justify-content: center;
}
.about-img-wrapper {
  width: 380px;
  height: 460px;
  border-radius: 200px 200px 160px 160px;
  overflow: hidden;
  border: 6px solid var(--pink-mid);
  box-shadow: var(--shadow-lg);
}
.about-deco {
  position: absolute;
  top: -20px;
  right: 30px;
  font-size: 3rem;
  color: var(--peach);
  opacity: 0.5;
  animation: twinkle 4s ease-in-out infinite;
}

.about-text h2 { margin: 8px 0 20px; }

.about-desc {
  margin-bottom: 16px;
  font-size: 0.95rem;
  line-height: 1.8;
}

.about-credentials {
  margin: 24px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about-credentials li {
  font-size: 0.92rem;
  color: var(--text-mid);
  padding: 10px 16px;
  background: var(--pink-light);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--peach);
}

/* === Courses === */
.courses {
  background: var(--pink-light);
  padding-bottom: 100px;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}

.course-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.card-featured {
  background: linear-gradient(160deg, var(--peach), var(--rose-dark));
  color: var(--white);
  transform: scale(1.04);
}
.card-featured:hover {
  transform: scale(1.04) translateY(-6px);
}
.card-featured h3, .card-featured .card-tag,
.card-featured .price, .card-featured .price-unit,
.card-featured .card-features li { color: var(--white); }
.card-featured p { color: rgba(255,255,255,0.85); }

.card-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-dark);
  color: var(--white);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.card-tag {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rose-gold);
  margin-bottom: 10px;
}

.course-card h3 { margin-bottom: 24px; }

.card-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(201,149,106,0.15);
}
.card-featured .card-price { border-color: rgba(255,255,255,0.25); }
.price {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--rose-dark);
}
.price-unit { font-size: 0.85rem; color: var(--text-light); }

.card-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}
.card-features li {
  font-size: 0.88rem;
  color: var(--text-mid);
}

/* === Testimonials === */
.testimonials { background: var(--cream); }

.testimonials-scroll {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.testimonials-scroll::-webkit-scrollbar { height: 4px; }
.testimonials-scroll::-webkit-scrollbar-track { background: var(--pink-light); border-radius: 4px; }
.testimonials-scroll::-webkit-scrollbar-thumb { background: var(--peach); border-radius: 4px; }

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  scroll-snap-align: start;
  flex-shrink: 0;
  transition: transform var(--transition), box-shadow var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial-avatar {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}
.avatar-placeholder {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink-mid), var(--peach));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--white);
  font-weight: 700;
}

.testimonial-text {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-mid);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 12px;
}
.testimonial-info strong { color: var(--text-dark); font-size: 0.92rem; }
.testimonial-info span  { font-size: 0.78rem; color: var(--text-light); }

.stars { color: var(--peach); font-size: 1rem; letter-spacing: 2px; }

/* === Blog Preview === */
.blog-preview { background: var(--cream-warm); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.blog-img-placeholder {
  height: 200px;
  background: linear-gradient(135deg, var(--pink-light), var(--pink-mid));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 0.85rem;
}

.blog-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.blog-body { padding: 24px; }

.blog-tag-label {
  display: inline-block;
  background: var(--pink-light);
  color: var(--rose-gold);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.blog-body h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  line-height: 1.4;
}
.blog-body h3 a { color: var(--text-dark); transition: color var(--transition); }
.blog-body h3 a:hover { color: var(--rose-dark); }

.blog-body p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-read-more {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--rose-gold);
  transition: color var(--transition);
}
.blog-read-more:hover { color: var(--rose-dark); }

.section-cta { text-align: center; }

/* === Contact === */
.contact {
  background: var(--pink-light);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info h2 { margin: 8px 0 20px; }
.contact-info p { margin-bottom: 12px; font-size: 0.95rem; }

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 28px 0;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-mid);
  transition: color var(--transition);
}
.contact-link:hover { color: var(--rose-dark); }
.contact-icon { font-size: 1.1rem; }

.sparkle-deco {
  font-size: 1.5rem;
  color: var(--peach);
  letter-spacing: 8px;
  margin-top: 16px;
}

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 2px solid var(--pink-mid);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--text-dark);
  background: var(--cream);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--peach);
}
.form-group textarea { resize: vertical; }

.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-light);
  margin-top: 12px;
}

/* === Footer === */
.footer {
  background: var(--text-dark);
  color: rgba(255,255,255,0.85);
  padding: 56px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  align-items: center;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo-en {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--white);
  display: block;
  margin-bottom: 4px;
}
.footer-brand .logo-zh {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 10px;
}
.footer-brand p {
  font-size: 0.82rem;
  color: var(--peach);
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px 32px;
}
.footer-nav a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--peach); }

.footer-social {
  display: flex;
  justify-content: flex-end;
  gap: 16px;
}
.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--peach);
  border-color: var(--peach);
  color: var(--white);
}

.footer-copy {
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* === Back to Top === */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--peach), var(--rose-dark));
  color: var(--white);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  pointer-events: none;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.back-to-top:hover { opacity: 0.85; transform: translateY(-2px); }

/* === Scroll Reveal === */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Blog Page === */
.page-hero {
  background: linear-gradient(135deg, var(--pink-light), var(--pink-mid));
  padding: 80px 0 60px;
  text-align: center;
}
.page-hero h1 { margin-bottom: 12px; }
.page-hero p { max-width: 520px; margin: 0 auto; }

.blog-filters {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 40px 0 0;
}
.filter-btn {
  padding: 8px 22px;
  border: 2px solid var(--pink-mid);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-mid);
  background: var(--white);
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--rose-gold);
  border-color: var(--rose-gold);
  color: var(--white);
}

/* === Blog Post Page === */
.post-hero {
  background: linear-gradient(135deg, var(--pink-light), var(--pink-mid));
  padding: 80px 0;
}
.post-hero .post-meta {
  font-size: 0.82rem;
  color: var(--rose-gold);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.post-hero h1 { max-width: 720px; margin-bottom: 16px; }

.post-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 24px;
}
.post-content h2 {
  font-size: 1.5rem;
  margin: 40px 0 16px;
  color: var(--rose-dark);
}
.post-content p {
  margin-bottom: 20px;
  font-size: 1rem;
  line-height: 1.85;
}
.post-content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 20px;
}
.post-content ul li {
  margin-bottom: 8px;
  color: var(--text-mid);
  line-height: 1.7;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .courses-grid .course-card:last-child { grid-column: 1 / -1; max-width: 400px; margin: 0 auto; }
  .about-inner { gap: 48px; }
}

@media (max-width: 768px) {
  .section-padding { padding: 60px 0; }

  /* Nav */
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--cream);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--pink-mid);
    box-shadow: var(--shadow-sm);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }

  /* Hero */
  .hero { padding: 110px 0 80px; min-height: auto; }
  .hero-inner { flex-direction: column; text-align: center; gap: 40px; }
  .hero-text { max-width: 100%; }
  .hero-tag { margin: 0 auto 20px; }
  .hero-cta { justify-content: center; }
  .hero-social-proof { justify-content: center; }
  .hero-image { flex: none; width: 100%; height: 380px; }
  .photo-morph { width: 230px; height: 310px; }
  .card-stat { left: 0; bottom: 20px; }
  .card-live { right: 0; top: 30px; }
  .card-quote { display: none; }

  /* About */
  .about-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .about-img-wrapper { width: 280px; height: 340px; margin: 0 auto; }
  .about-credentials li { text-align: left; }

  /* Stats */
  .stats-inner { flex-direction: column; gap: 24px; }
  .stat-divider { display: none; }

  /* Courses */
  .courses-grid {
    grid-template-columns: 1fr;
  }
  .courses-grid .course-card:last-child { max-width: 100%; }
  .card-featured { transform: none; }
  .card-featured:hover { transform: translateY(-6px); }

  /* Testimonials */
  .testimonials-scroll {
    grid-template-columns: repeat(3, 85vw);
    overflow-x: auto;
  }

  /* Blog */
  .blog-grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-social { justify-content: center; }

  /* Back to top */
  .back-to-top { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .photo-morph { width: 200px; height: 270px; }
  .contact-form-wrap { padding: 28px 20px; }
}

/* ================================================
   E-COMMERCE COMPONENTS
   ================================================ */

/* === Cart Icon (Navbar) === */
.cart-icon {
  position: relative;
  display: flex;
  align-items: center;
  font-size: 1.3rem;
  text-decoration: none;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.cart-icon:hover { transform: scale(1.1); }

.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  background: var(--rose-dark);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* === Level Badges === */
.level-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.level-beginner  { background: #e8f5e9; color: #2e7d32; }
.level-intermediate { background: #fff8e1; color: #f57c00; }
.level-advanced  { background: #fce4ec; color: #c2185b; }

/* === Course Card (Large — for courses.html) === */
.course-card-lg {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.course-card-lg:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.course-card-thumb {
  height: 200px;
  background: linear-gradient(135deg, var(--pink-light), var(--pink-mid));
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 0.85rem;
}
.course-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.course-card-thumb-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--rose-dark);
  color: var(--white);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
}

.course-card-body {
  padding: 20px 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.course-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.course-card-body h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  line-height: 1.4;
}
.course-card-body p {
  font-size: 0.84rem;
  color: var(--text-light);
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.course-card-price-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 16px;
}
.course-card-price-row .price { font-size: 1.5rem; }

.course-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* === Courses Page Grid === */
.courses-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* === btn-in-cart state === */
.btn-in-cart {
  background: linear-gradient(135deg, #a8d8a8, #5a9a5a) !important;
}

/* === Add to Cart Toast === */
.cart-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text-dark);
  color: var(--white);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 2000;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
}
.cart-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* === Course Detail Page === */
.course-detail-hero {
  background: linear-gradient(135deg, var(--pink-light), var(--pink-mid));
  padding: 60px 0;
}
.course-detail-hero .hero-tag { margin-bottom: 8px; }
.course-detail-hero h1 { margin-bottom: 16px; }
.course-detail-hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.course-detail-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  align-items: start;
  padding: 60px 0;
}

/* === Sticky Buy Card === */
.sticky-buy-card {
  position: sticky;
  top: 100px;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-md);
}
.sticky-buy-card .price {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--rose-dark);
}
.sticky-buy-card .price-unit { font-size: 0.85rem; color: var(--text-light); }
.sticky-buy-card-features {
  list-style: none;
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sticky-buy-card-features li {
  font-size: 0.85rem;
  color: var(--text-mid);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.sticky-buy-card-divider {
  border: none;
  border-top: 1px solid var(--pink-mid);
  margin: 20px 0;
}

/* === Video Embed === */
.video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin: 24px 0;
  box-shadow: var(--shadow-md);
}
.video-wrap iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: 0;
}

/* === Accordion (Curriculum) === */
.accordion { border: 1px solid var(--pink-mid); border-radius: var(--radius-md); overflow: hidden; margin: 24px 0; }
.accordion-item { border-bottom: 1px solid var(--pink-mid); }
.accordion-item:last-child { border-bottom: none; }
.accordion-header {
  width: 100%;
  background: var(--cream);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-dark);
  transition: background var(--transition);
  text-align: left;
}
.accordion-header:hover { background: var(--pink-light); }
.accordion-header.open { background: var(--pink-light); color: var(--rose-dark); }
.accordion-icon { font-size: 1.1rem; transition: transform var(--transition); flex-shrink: 0; }
.accordion-header.open .accordion-icon { transform: rotate(180deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 20px;
}
.accordion-body.open {
  max-height: 200px;
  padding: 14px 20px;
}
.accordion-body p { font-size: 0.85rem; color: var(--text-mid); margin: 0; }

/* === Cart Page === */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  align-items: start;
  padding: 60px 0;
}

.cart-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--pink-light);
}
.cart-item:last-child { border-bottom: none; }

.cart-item-thumb {
  width: 80px;
  height: 60px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--pink-light), var(--pink-mid));
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--text-light);
}
.cart-item-thumb img { width: 100%; height: 100%; object-fit: cover; }

.cart-item-info h4 { font-size: 0.95rem; margin-bottom: 4px; }
.cart-item-info p  { font-size: 0.8rem; color: var(--text-light); margin: 0; }

.cart-item-price {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--rose-dark);
  white-space: nowrap;
}

.cart-remove-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-light);
  font-size: 1.1rem;
  padding: 4px;
  transition: color var(--transition);
  margin-top: 4px;
}
.cart-remove-btn:hover { color: #e05555; }

/* === Order Summary Card === */
.order-summary-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 100px;
}
.order-summary-card h3 { font-size: 1.1rem; margin-bottom: 20px; }
.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  margin-bottom: 12px;
  color: var(--text-mid);
}
.summary-row.total {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  padding-top: 16px;
  border-top: 2px solid var(--pink-mid);
  margin-top: 8px;
}
.summary-row.total span:last-child { color: var(--rose-dark); font-family: var(--font-serif); font-size: 1.3rem; }

.empty-cart {
  text-align: center;
  padding: 80px 24px;
}
.empty-cart-icon { font-size: 4rem; margin-bottom: 16px; }
.empty-cart h3 { margin-bottom: 8px; }
.empty-cart p { margin-bottom: 28px; }

/* === Checkout Steps === */
.checkout-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 32px 0 48px;
}
.step {
  display: flex;
  align-items: center;
  gap: 10px;
}
.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--pink-mid);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}
.step.active .step-num {
  background: var(--rose-dark);
  color: var(--white);
}
.step.done .step-num {
  background: #5a9a5a;
  color: var(--white);
}
.step-label { font-size: 0.85rem; font-weight: 600; color: var(--text-light); }
.step.active .step-label { color: var(--text-dark); }
.step-connector {
  width: 48px;
  height: 2px;
  background: var(--pink-mid);
  margin: 0 8px;
}

/* === Checkout Layout === */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
  align-items: start;
  padding-bottom: 80px;
}

/* === Success Page === */
.success-hero {
  background: linear-gradient(135deg, var(--pink-light), var(--pink-mid));
  padding: 80px 0;
  text-align: center;
}
.success-icon { font-size: 5rem; margin-bottom: 24px; }
.success-hero h1 { margin-bottom: 12px; }
.order-info-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px;
  max-width: 540px;
  margin: 48px auto 0;
  box-shadow: var(--shadow-sm);
  text-align: left;
}
.order-info-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--pink-light);
  font-size: 0.9rem;
}
.order-info-row:last-child { border-bottom: none; }
.order-info-row span:first-child { color: var(--text-light); }
.order-info-row span:last-child { font-weight: 600; color: var(--text-dark); }

/* === Responsive — E-commerce === */
@media (max-width: 1024px) {
  .course-detail-layout { grid-template-columns: 1fr; }
  .sticky-buy-card { position: static; }
  .checkout-layout { grid-template-columns: 1fr; }
  .cart-layout { grid-template-columns: 1fr; }
  .order-summary-card { position: static; }
}

@media (max-width: 768px) {
  .courses-page-grid { grid-template-columns: 1fr; }
  .course-card-actions { grid-template-columns: 1fr; }
  .cart-item { grid-template-columns: 64px 1fr auto; }
  .checkout-steps { gap: 4px; }
  .step-label { display: none; }
  .step-connector { width: 24px; }
}

/* === Language Switcher === */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-light);
  margin-right: 4px;
}
.lang-switcher span { color: var(--pink-mid); }
.lang-switcher a {
  color: var(--text-light);
  text-decoration: none;
  padding: 3px 7px;
  border-radius: var(--radius-full);
  transition: var(--transition);
}
.lang-switcher a:hover { color: var(--rose-gold); }
.lang-switcher a.lang-active {
  background: var(--peach);
  color: var(--white);
  font-weight: 600;
}
@media (max-width: 768px) {
  .lang-switcher { font-size: 0.75rem; }
}