/* ===== 設計系統：Artisan Coffee ===== */
/* 風格：Nature Distilled × Bakery/Cafe */
/* 字體：Playfair Display SC + Karla */

@import url('https://fonts.googleapis.com/css2?family=Karla:wght@300;400;500;600;700&family=Playfair+Display+SC:wght@400;700&display=swap');

/* NOTE: 語意色彩 Token，所有元件統一引用 */
:root {
  --color-primary: #92400E;
  --color-on-primary: #FFFFFF;
  --color-secondary: #B45309;
  --color-accent: #92400E;
  --color-background: #FEF3C7;
  --color-foreground: #78350F;
  --color-card: #FFFFFF;
  --color-card-foreground: #78350F;
  --color-muted: #F5F0E1;
  --color-muted-foreground: #64748B;
  --color-border: #FDE68A;
  --color-destructive: #DC2626;
  --color-ring: #92400E;
  --color-cream: #FFF8E7;
  --color-warm-clay: #B5651D;
  --color-terracotta: #C67B5C;
  --color-sand: #D4C4A8;
  --color-olive: #6B7B3C;
  --color-dark-brown: #3D1F00;
  --color-hero-overlay: rgba(61, 31, 0, 0.55);

  --font-heading: 'Playfair Display SC', serif;
  --font-body: 'Karla', sans-serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-soft: 0 4px 20px rgba(146, 64, 14, 0.08);
  --shadow-card: 0 8px 32px rgba(146, 64, 14, 0.1);
  --shadow-elevated: 0 16px 48px rgba(146, 64, 14, 0.15);

  --transition-fast: 180ms ease-out;
  --transition-normal: 280ms ease-out;
  --transition-slow: 400ms ease-out;
}

/* ===== 全域重設 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  color: var(--color-foreground);
  background: var(--color-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ===== 導覽列 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 48px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(255, 248, 231, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft);
}

.navbar__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-on-primary);
  letter-spacing: 2px;
  transition: color var(--transition-fast);
}

.navbar.scrolled .navbar__logo { color: var(--color-primary); }

.navbar__links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.navbar__link {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.navbar.scrolled .navbar__link { color: var(--color-foreground); }

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-normal);
}

.navbar__link:hover::after,
.navbar__link:focus-visible::after { width: 100%; }

.navbar__cta {
  padding: 10px 24px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.navbar__cta:hover { background: var(--color-secondary); transform: translateY(-1px); }
.navbar__cta:active { transform: scale(0.97); }

/* 漢堡選單 */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.navbar__hamburger span {
  display: block;
  height: 2px;
  background: var(--color-on-primary);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.navbar.scrolled .navbar__hamburger span { background: var(--color-foreground); }

/* ===== Hero 區塊 ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  transition: transform 8s ease-out;
}

.hero:hover .hero__bg { transform: scale(1); }

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(61, 31, 0, 0.4) 0%,
    rgba(61, 31, 0, 0.6) 60%,
    rgba(61, 31, 0, 0.8) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  padding: 0 24px;
  animation: heroFadeIn 1.2s ease-out;
}

.hero__badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-sand);
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--color-on-primary);
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.hero__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.btn--primary:hover { background: var(--color-secondary); transform: translateY(-2px); box-shadow: var(--shadow-card); }

.btn--outline {
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: var(--color-on-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn--outline:hover { background: rgba(255, 255, 255, 0.15); transform: translateY(-2px); }

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2s infinite;
}

.hero__scroll svg { width: 24px; height: 24px; stroke: rgba(255,255,255,0.5); }

/* ===== 特色區塊 ===== */
.features {
  padding: 120px 48px;
  background: var(--color-cream);
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 72px;
}

.section-label {
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  color: var(--color-dark-brown);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-desc {
  color: var(--color-muted-foreground);
  font-size: 1rem;
  line-height: 1.7;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 48px 36px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-elevated); }

.feature-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background: var(--color-muted);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-card__icon svg { width: 28px; height: 28px; stroke: var(--color-primary); fill: none; stroke-width: 1.5; }

.feature-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-dark-brown);
  margin-bottom: 12px;
}

.feature-card__desc { color: var(--color-muted-foreground); font-size: 0.925rem; line-height: 1.65; }

/* ===== 關於我們 ===== */
.about {
  padding: 120px 48px;
  background: var(--color-background);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.about__image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about__image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(146, 64, 14, 0.1);
  pointer-events: none;
}

.about__image {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--radius-xl);
  transition: transform var(--transition-slow);
}

.about__image-wrapper:hover .about__image { transform: scale(1.03); }

.about__content { padding: 20px 0; }

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.stat__number {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-primary);
}

.stat__label { font-size: 0.8rem; color: var(--color-muted-foreground); margin-top: 4px; }

/* ===== 菜單區塊 ===== */
.menu {
  padding: 120px 48px;
  background: var(--color-dark-brown);
  color: var(--color-on-primary);
}

.menu .section-label { color: var(--color-terracotta); }
.menu .section-title { color: var(--color-cream); }
.menu .section-desc { color: var(--color-sand); }

.menu__tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.menu__tab {
  padding: 10px 28px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--color-sand);
  border: 1px solid rgba(212, 196, 168, 0.2);
  transition: all var(--transition-fast);
}

.menu__tab:hover { background: rgba(212, 196, 168, 0.1); }
.menu__tab.active { background: var(--color-primary); color: var(--color-on-primary); border-color: var(--color-primary); }

.menu__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(212, 196, 168, 0.1);
  transition: background var(--transition-fast);
}

.menu-item:hover { background: rgba(212, 196, 168, 0.05); }

.menu-item__name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.menu-item__desc { font-size: 0.825rem; color: var(--color-sand); opacity: 0.7; }

.menu-item__price {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-terracotta);
  white-space: nowrap;
  margin-left: 16px;
}

/* ===== 圖片展示區 ===== */
.gallery {
  padding: 120px 48px;
  background: var(--color-cream);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.gallery__item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1;
  position: relative;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery__item:hover img { transform: scale(1.08); }

.gallery__item:first-child { grid-row: span 2; aspect-ratio: auto; }

/* ===== 評價區塊 ===== */
.testimonials {
  padding: 120px 48px;
  background: var(--color-background);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.testimonial-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }

.testimonial-card__stars { display: flex; gap: 4px; margin-bottom: 20px; }
.testimonial-card__stars svg { width: 18px; height: 18px; fill: var(--color-secondary); }

.testimonial-card__text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-foreground);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-card__author { display: flex; align-items: center; gap: 12px; }

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-primary);
}

.testimonial-card__name { font-weight: 600; font-size: 0.9rem; }
.testimonial-card__role { font-size: 0.8rem; color: var(--color-muted-foreground); }

/* ===== 聯絡 / CTA 區塊 ===== */
.cta {
  padding: 120px 48px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark-brown) 100%);
  text-align: center;
  color: var(--color-on-primary);
}

.cta__inner { max-width: 640px; margin: 0 auto; }

.cta__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.cta__desc { font-size: 1.05rem; opacity: 0.85; margin-bottom: 40px; line-height: 1.7; }

.cta__form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; }

.cta__input {
  flex: 1;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: white;
  font-size: 0.95rem;
  font-family: var(--font-body);
  backdrop-filter: blur(8px);
  outline: none;
  transition: border-color var(--transition-fast);
}

.cta__input::placeholder { color: rgba(255,255,255,0.5); }
.cta__input:focus { border-color: var(--color-terracotta); }

.cta__submit {
  padding: 14px 32px;
  background: var(--color-cream);
  color: var(--color-dark-brown);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  transition: all var(--transition-fast);
}

.cta__submit:hover { background: white; transform: translateY(-1px); }

/* ===== 頁尾 ===== */
.footer {
  padding: 80px 48px 40px;
  background: var(--color-dark-brown);
  color: var(--color-sand);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer__brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-cream);
  margin-bottom: 16px;
}

.footer__brand-desc { font-size: 0.875rem; line-height: 1.7; opacity: 0.7; max-width: 300px; }

.footer__heading {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-cream);
  margin-bottom: 20px;
}

.footer__list { display: flex; flex-direction: column; gap: 12px; }

.footer__list a {
  font-size: 0.875rem;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.footer__list a:hover { opacity: 1; }

.footer__bottom {
  max-width: 1200px;
  margin: 48px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(212, 196, 168, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  opacity: 0.5;
}

/* ===== 動畫 ===== */
@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* NOTE: 滾動觸發淡入動畫 */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== 無障礙：尊重減少動畫偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .hero__bg { transform: scale(1) !important; }
}

/* ===== 響應式：平板 ===== */
@media (max-width: 1024px) {
  .features__grid, .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
  .about__inner { gap: 48px; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}

/* ===== 響應式：手機 ===== */
@media (max-width: 768px) {
  .navbar { padding: 0 24px; }
  .navbar__links { display: none; }
  .navbar__hamburger { display: flex; }

  .navbar__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(61, 31, 0, 0.97);
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 200;
  }

  .navbar__links.open .navbar__link { color: white; font-size: 1.1rem; }

  .hero { min-height: 100svh; }
  .hero__title { font-size: clamp(2rem, 8vw, 3rem); }

  .features, .about, .menu, .gallery, .testimonials, .cta, .footer { padding: 80px 24px; }

  .features__grid, .testimonials__grid, .gallery__grid { grid-template-columns: 1fr; }
  .gallery__item:first-child { grid-row: auto; aspect-ratio: 1; }

  .about__inner { grid-template-columns: 1fr; gap: 40px; }
  .about__image { aspect-ratio: 16/9; }
  .about__stats { grid-template-columns: repeat(3, 1fr); }

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

  .cta__form { flex-direction: column; }

  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
}