/* ==========================================================================
   MÂY NÂU COFFEE - DESIGN SYSTEM & STYLES (WARM MINIMALISM)
   Pure Vanilla CSS - No Frameworks, No External CSS Dependencies
   ========================================================================== */

/* 1. Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700&family=EB+Garamond:ital,wght@0,500;0,600;1,500&display=swap');

/* 2. Design Tokens (CSS Variables) */
:root {
  /* Colors */
  --color-primary: #553722;             /* Espresso Brown */
  --color-primary-container: #6f4e37;   /* Rich Roast Brown */
  --color-on-primary: #ffffff;
  --color-secondary: #9f402d;           /* Warm Terracotta Accent */
  --color-secondary-hover: #802918;
  --color-background: #fbf9f8;          /* Warm Cream Paper Background */
  --color-surface: #fbf9f8;
  --color-surface-low: #f6f3f2;         /* Soft Cream Section Container */
  --color-surface-container: #f0eded;   /* Card Surface */
  --color-surface-highest: #e4e2e1;     /* Footer & Borders */
  
  --color-on-background: #1b1c1c;       /* Deep Charcoal Text */
  --color-on-surface-variant: #50453e;  /* Warm Muted Body Text */
  --color-outline: #82746d;
  --color-outline-variant: #d4c3ba;
  
  --color-tag-bg: rgba(85, 87, 68, 0.1);
  --color-tag-text: #555744;

  /* Typography Families */
  --font-serif: 'EB Garamond', Georgia, serif;
  --font-sans: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Typography Scales */
  --font-size-display: clamp(2rem, 5vw, 3rem);       /* 32px -> 48px */
  --line-height-display: 1.18;
  --font-size-h2: clamp(1.65rem, 3.5vw, 2rem);        /* 26px -> 32px */
  --line-height-h2: 1.25;
  --font-size-h3: clamp(1.2rem, 2.5vw, 1.5rem);       /* 19px -> 24px */
  --font-size-body-lg: 1.125rem;                     /* 18px */
  --font-size-body-md: 1rem;                         /* 16px */
  --font-size-label: 0.875rem;                       /* 14px */
  --font-size-caption: 0.75rem;                      /* 12px */

  /* Spacing Scale (8px Grid) */
  --space-xs: 4px;
  --space-sm: 12px;
  --space-base: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;

  /* Layout Constants */
  --max-width-container: 1280px;
  --margin-desktop: 64px;
  --margin-mobile: 20px;
  --nav-height: 76px;

  /* Border Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-organic: 40px;
  --radius-full: 9999px;

  /* Shadows & Depth */
  --shadow-ambient: 0 20px 40px -5px rgba(85, 55, 34, 0.07);
  --shadow-hover: 0 24px 48px -6px rgba(85, 55, 34, 0.12);
  --shadow-nav: 0 2px 16px 0 rgba(85, 55, 34, 0.05);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 3. Base & Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 16px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-body-md);
  line-height: 1.6;
  color: var(--color-on-background);
  background-color: var(--color-background);
  overflow-x: hidden;
}

::selection {
  background-color: var(--color-primary-container);
  color: #ffdcc6;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* 4. Global Container Utilities */
.container {
  width: 100%;
  max-width: var(--max-width-container);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--margin-mobile);
  padding-right: var(--margin-mobile);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--margin-desktop);
    padding-right: var(--margin-desktop);
  }
}

/* 5. Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(251, 249, 248, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(212, 195, 186, 0.35);
  transition: all var(--transition-smooth);
  padding-top: env(safe-area-inset-top, 0px);
}

.header.scrolled {
  background: rgba(251, 249, 248, 0.96);
  box-shadow: var(--shadow-nav);
}

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

.logo {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
}

.nav-links {
  display: none;
  gap: var(--space-md);
  align-items: center;
  list-style: none;
}

.nav-link {
  font-size: var(--font-size-body-md);
  font-weight: 500;
  color: var(--color-on-surface-variant);
  position: relative;
  padding: 4px 0;
}

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

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

.nav-link:hover::after {
  width: 100%;
}

.header-cta {
  display: none;
}

/* Primary Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-family: var(--font-sans);
  font-size: var(--font-size-label);
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-ambient);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background-color: var(--color-primary-container);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

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

/* Mobile Hamburger Button */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0;
  background: rgba(111, 78, 55, 0.04);
  border-radius: var(--radius-md);
  z-index: 1100;
  border: 1px solid rgba(212, 195, 186, 0.4);
  transition: all var(--transition-fast);
}

.menu-toggle:hover {
  background: rgba(111, 78, 55, 0.08);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.menu-toggle.active {
  background: rgba(111, 78, 55, 0.1);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Dropdown Drawer */
.mobile-nav {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-outline-variant);
  box-shadow: 0 12px 24px rgba(85, 55, 34, 0.08);
  padding: var(--space-base) var(--margin-mobile) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-base);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-smooth);
}

.mobile-nav.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav-link {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-on-surface-variant);
  padding: 10px 0;
  border-bottom: 1px solid rgba(212, 195, 186, 0.3);
}

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

.mobile-cta {
  width: 100%;
  padding: 12px;
  text-align: center;
  margin-top: 4px;
}

@media (max-width: 767px) {
  :root {
    --nav-height: 68px;
  }
  .logo {
    font-size: 1.35rem;
  }
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
  .header-cta {
    display: block;
  }
  .menu-toggle {
    display: none;
  }
  .mobile-nav {
    display: none;
  }
}

/* 6. Main & Section Layouts */
main {
  padding-top: var(--nav-height);
}

.section {
  padding-top: var(--space-xl);
  padding-bottom: var(--space-xl);
}

/* 7. Hero Section */
.hero-section {
  position: relative;
  min-height: calc(820px - var(--nav-height));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--space-lg);
  padding-bottom: var(--space-xl);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('assets/hero-bg.jpg');
  background-size: cover;
  background-position: center right;
  opacity: 0.85;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to right,
    var(--color-background) 0%,
    rgba(251, 249, 248, 0.94) 45%,
    rgba(251, 249, 248, 0.7) 70%,
    rgba(251, 249, 248, 0.15) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 580px;
}

.hero-badge {
  display: inline-block;
  font-size: var(--font-size-label);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-display);
  line-height: var(--line-height-display);
  font-weight: 600;
  color: var(--color-on-background);
  margin-bottom: var(--space-base);
  letter-spacing: -0.02em;
}

.hero-description {
  font-size: var(--font-size-body-lg);
  line-height: 1.65;
  color: var(--color-on-surface-variant);
  margin-bottom: var(--space-md);
  max-width: 480px;
}

.hero-cta {
  padding: 14px 28px;
  font-size: 0.95rem;
}

@media (max-width: 767px) {
  .hero-section {
    min-height: auto;
    text-align: center;
    padding-top: var(--space-xl);
    padding-bottom: var(--space-xl);
  }
  .hero-overlay {
    background: rgba(251, 249, 248, 0.9);
  }
  .hero-content {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
}

/* 8. Story Section (#story) */
.story-section {
  background-color: var(--color-surface-low);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 860px) {
  .story-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.story-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  border-radius: var(--radius-organic);
  overflow: hidden;
  box-shadow: var(--shadow-ambient);
  aspect-ratio: 1 / 1;
}

.story-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.story-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-base);
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-h2);
  line-height: var(--line-height-h2);
  font-weight: 500;
  color: var(--color-primary);
}

.story-text {
  font-size: var(--font-size-body-md);
  line-height: 1.75;
  color: var(--color-on-surface-variant);
}

/* 9. Menu Section (#menu - Bento Grid) */
.menu-section {
  background-color: var(--color-background);
}

.menu-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.menu-subtitle {
  font-size: var(--font-size-body-md);
  color: var(--color-on-surface-variant);
  margin-top: var(--space-xs);
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 860px) {
  .bento-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Bento Cards */
.bento-card {
  background-color: var(--color-surface-container);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-ambient);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

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

/* Span 2 Columns Cards */
@media (min-width: 860px) {
  .bento-card.span-2 {
    grid-column: span 2;
    flex-direction: row;
    align-items: center;
    gap: var(--space-md);
  }

  .bento-card.span-2 .card-media {
    width: 48%;
    height: 100%;
    min-height: 220px;
  }

  .bento-card.span-2 .card-body {
    width: 52%;
  }

  /* Reverse layout for Card 4 (Pour Over) */
  .bento-card.span-2.reverse .card-body {
    order: 1;
    width: 58%;
  }

  .bento-card.span-2.reverse .card-media {
    order: 2;
    width: 42%;
  }
}

.card-media {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-base);
  flex-shrink: 0;
}

@media (max-width: 859px) {
  .bento-card {
    padding: var(--space-base);
  }
  .card-media {
    height: 190px;
    margin-bottom: var(--space-sm);
  }
  .card-tag {
    margin-bottom: 6px;
  }
  .card-title {
    font-size: 1.25rem;
    margin-bottom: 4px;
  }
  .card-desc {
    font-size: 0.9375rem;
    margin-bottom: var(--space-sm);
  }
  .card-price {
    font-size: 0.95rem;
  }
}

@media (min-width: 860px) {
  .bento-card.span-2 .card-media {
    margin-bottom: 0;
  }
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.bento-card:hover .card-img {
  transform: scale(1.04);
}

.card-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex-grow: 1;
}

.card-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: var(--font-size-caption);
  font-weight: 600;
  letter-spacing: 0.04em;
  background-color: var(--color-tag-bg);
  color: var(--color-tag-text);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-xs);
}

.card-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-h3);
  font-weight: 500;
  color: var(--color-on-background);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.card-desc {
  font-size: var(--font-size-body-md);
  color: var(--color-on-surface-variant);
  line-height: 1.5;
  margin-bottom: var(--space-base);
}

.card-price {
  font-family: var(--font-sans);
  font-size: var(--font-size-label);
  font-weight: 700;
  color: var(--color-primary);
  margin-top: auto;
}

/* 10. Space / Gallery Section (#space, #gallery) */
.space-section {
  background-color: var(--color-surface-low);
}

.space-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-lg);
}

.space-desc {
  font-size: var(--font-size-body-md);
  color: var(--color-on-surface-variant);
  line-height: 1.65;
  margin-top: var(--space-xs);
}

.space-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 860px) {
  .space-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.space-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-ambient);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

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

.space-img-wrapper {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
}

.space-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.space-card:hover .space-img {
  transform: scale(1.05);
}

.space-card-body {
  padding: var(--space-base) var(--space-md) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.space-tag {
  font-size: var(--font-size-caption);
  font-weight: 600;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.space-card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-on-background);
  line-height: 1.35;
}

/* 11. Visit / Store Info Section (#visit, #hours, #contact) */
.visit-section {
  background-color: var(--color-background);
  position: relative;
}

.visit-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.visit-subtitle {
  font-size: var(--font-size-body-md);
  color: var(--color-on-surface-variant);
  margin-top: var(--space-xs);
}

.visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: stretch;
}

@media (min-width: 860px) {
  .visit-grid {
    grid-template-columns: 1fr 1.15fr;
  }
}

.visit-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-base);
  justify-content: center;
}

.info-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-base) var(--space-md);
  box-shadow: var(--shadow-ambient);
  display: flex;
  align-items: flex-start;
  gap: var(--space-base);
  border: 1px solid rgba(212, 195, 186, 0.4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.info-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-outline);
}

.info-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: rgba(111, 78, 55, 0.08);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.info-icon {
  width: 22px;
  height: 22px;
  stroke: var(--color-primary);
  stroke-width: 2;
  fill: none;
}

.info-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.info-label {
  font-size: var(--font-size-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-secondary);
}

.info-text {
  font-size: var(--font-size-body-md);
  font-weight: 500;
  color: var(--color-on-background);
  line-height: 1.5;
}

.info-link {
  color: var(--color-primary);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.info-link:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

/* Styled Minimal Map Mockup Card */
.map-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-ambient);
  border: 1px solid rgba(212, 195, 186, 0.5);
  display: flex;
  flex-direction: column;
  position: relative;
  min-height: 320px;
}

.map-svg-container {
  width: 100%;
  height: 100%;
  min-height: 280px;
  position: relative;
  background-color: #f3efe9;
}

.map-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.map-badge {
  position: absolute;
  bottom: var(--space-base);
  left: var(--space-base);
  right: var(--space-base);
  background: rgba(251, 249, 248, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(212, 195, 186, 0.6);
  box-shadow: 0 4px 16px rgba(85, 55, 34, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.map-badge-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary);
}

.map-badge-desc {
  font-size: var(--font-size-caption);
  color: var(--color-on-surface-variant);
}

/* Map Pulse Marker Animation */
@keyframes pin-pulse {
  0% {
    transform: scale(0.95);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.35);
    opacity: 0.25;
  }
  100% {
    transform: scale(0.95);
    opacity: 0.8;
  }
}

.pin-pulse-ring {
  animation: pin-pulse 2.2s infinite ease-in-out;
  transform-origin: 250px 160px;
}

/* 12. Footer */
.footer {
  background-color: var(--color-surface-highest);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom, 0px));
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-base);
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-on-background);
}

.footer-links {
  display: flex;
  gap: 12px 20px;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-link {
  font-size: 0.85rem;
  color: var(--color-on-surface-variant);
  white-space: nowrap;
  padding: 2px 0;
}

.footer-link:hover {
  color: var(--color-secondary);
}

.footer-copyright {
  font-size: 0.8125rem;
  color: var(--color-primary);
  text-align: center;
  line-height: 1.5;
}

@media (max-width: 767px) {
  .footer {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    padding-bottom: calc(var(--space-md) + env(safe-area-inset-bottom, 0px));
  }

  .footer-inner {
    gap: var(--space-sm);
  }

  .footer-brand {
    font-size: 1.35rem;
  }

  .footer-links {
    gap: 6px 14px;
  }

  .footer-link {
    font-size: 0.8125rem;
  }

  .footer-copyright {
    font-size: 0.775rem;
    max-width: 290px;
    margin: 0 auto;
  }
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    text-align: left;
  }
  .footer-copyright {
    text-align: right;
  }
}