/* ============================================================
   BEAN & BREW — STYLES
   Vanilla CSS. No build step required.
============================================================ */

/* ============================================================
   1. CUSTOM PROPERTIES
============================================================ */
:root {
  /* Color palette — espresso, cream, amber */
  --color-espresso:      #1e120a;
  --color-espresso-mid:  #3b2010;
  --color-espresso-soft: #5c3317;
  --color-bark:          #7a4a22;
  --color-caramel:       #a0622c;
  --color-amber:         #c88b3a;
  --color-honey:         #dfa94e;
  --color-cream:         #f5ede0;
  --color-parchment:     #efe5d4;
  --color-linen:         #faf5ed;
  --color-white:         #ffffff;
  --color-text:          #2a1a0e;
  --color-text-soft:     #6b4a30;
  --color-text-muted:    #9e7a56;

  /* Typography */
  --font-serif:   'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing scale */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border radius */
  --radius-sm:  4px;
  --radius-md:  10px;
  --radius-lg:  18px;
  --radius-xl:  28px;

  /* Shadows */
  --shadow-card:   0 2px 12px rgba(30, 18, 10, 0.08), 0 1px 3px rgba(30, 18, 10, 0.06);
  --shadow-hover:  0 8px 30px rgba(30, 18, 10, 0.14), 0 2px 8px rgba(30, 18, 10, 0.08);
  --shadow-nav:    0 2px 20px rgba(30, 18, 10, 0.12);

  /* Transitions */
  --ease-out:   cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in:    cubic-bezier(0.76, 0, 0.24, 1);
  --duration:   0.35s;
}

/* ============================================================
   2. RESET & BASE
============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

img, svg {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

address {
  font-style: normal;
}

/* ============================================================
   3. TYPOGRAPHY UTILITIES
============================================================ */
.section-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-espresso);
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.section-sub {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  color: var(--color-text-soft);
  max-width: 480px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header .section-sub {
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   4. LAYOUT UTILITIES
============================================================ */
.container {
  width: 100%;
  max-width: 1160px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.section {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

@media (max-width: 768px) {
  .section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
  }
}

/* ============================================================
   5. BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  transition: all var(--duration) var(--ease-out);
  text-align: center;
}

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

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-honey);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200, 139, 58, 0.4);
}

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

/* ============================================================
   6. NAVIGATION
============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-5) 0;
  transition:
    background-color var(--duration) var(--ease-out),
    backdrop-filter var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out),
    padding var(--duration) var(--ease-out);
}

.nav.scrolled {
  background-color: rgba(30, 18, 10, 0.82);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: var(--shadow-nav);
  padding: var(--space-4) 0;
}

.nav__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.4375rem;
  font-weight: 700;
  color: var(--color-cream);
  letter-spacing: -0.01em;
  transition: color var(--duration) var(--ease-out);
}

.nav__logo:hover {
  color: var(--color-honey);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(245, 237, 224, 0.8);
  position: relative;
  transition: color var(--duration) var(--ease-out);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration) var(--ease-out);
}

.nav__link:hover {
  color: var(--color-cream);
}

.nav__link:hover::after {
  transform: scaleX(1);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--color-cream);
  transition: all 0.3s var(--ease-out);
  transform-origin: center;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu */
.nav__mobile {
  display: none;
  background-color: rgba(30, 18, 10, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s var(--ease-out);
}

.nav__mobile.open {
  max-height: 300px;
}

.nav__mobile-links {
  display: flex;
  flex-direction: column;
  padding: var(--space-4) var(--space-6) var(--space-6);
  gap: var(--space-2);
}

.nav__mobile-link {
  font-size: 1.0625rem;
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(245, 237, 224, 0.1);
}

.nav__mobile-link:last-child {
  border-bottom: none;
}

@media (max-width: 640px) {
  nav[aria-label="Main navigation"] {
    display: none;
  }
  .nav__hamburger {
    display: flex;
  }
  .nav__mobile {
    display: block;
  }
}

/* ============================================================
   7. HERO
============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;

  /* Warm atmospheric background using CSS gradients */
  background-color: var(--color-espresso);
  background-image:
    radial-gradient(ellipse 80% 60% at 20% 70%, rgba(90, 45, 10, 0.9) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(160, 98, 44, 0.45) 0%, transparent 65%),
    radial-gradient(ellipse 100% 80% at 50% 100%, rgba(30, 18, 10, 0.95) 0%, transparent 80%),
    radial-gradient(ellipse 50% 40% at 60% 50%, rgba(200, 139, 58, 0.18) 0%, transparent 60%);
}

.hero::before {
  /* Subtle grain texture overlay */
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  opacity: 0.35;
  pointer-events: none;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(30, 18, 10, 0.2) 0%,
    rgba(60, 32, 16, 0.1) 40%,
    rgba(30, 18, 10, 0.5) 100%
  );
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-8) var(--space-6);
  max-width: 760px;
}

.hero__eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-honey);
  margin-bottom: var(--space-5);
  opacity: 0.9;
}

.hero__headline {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  font-weight: 700;
  color: var(--color-cream);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
}

.hero__headline em {
  font-style: italic;
  color: var(--color-honey);
}

.hero__sub {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 2vw, 1.1875rem);
  font-weight: 300;
  color: rgba(245, 237, 224, 0.75);
  letter-spacing: 0.01em;
  margin-bottom: var(--space-10);
  line-height: 1.65;
}

/* Hero scroll hint */
.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(245, 237, 224, 0.4);
  animation: bounce 2.4s ease-in-out infinite;
  z-index: 2;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.4; }
  50%       { transform: translateX(-50%) translateY(8px); opacity: 0.7; }
}

/* ============================================================
   8. MENU
============================================================ */
.menu {
  background-color: var(--color-linen);
}

.menu__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

@media (max-width: 640px) {
  .menu__grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

/* Menu Card */
.menu-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(160, 98, 44, 0.1);
  transition: transform var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out);
  cursor: default;
}

.menu-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(200, 139, 58, 0.2);
}

.menu-card__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  color: var(--color-caramel);
  background-color: var(--color-parchment);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px;
  transition: background-color var(--duration) var(--ease-out), color var(--duration) var(--ease-out);
}

.menu-card__icon svg {
  width: 100%;
  height: 100%;
}

.menu-card:hover .menu-card__icon {
  background-color: var(--color-amber);
  color: var(--color-espresso);
}

.menu-card__body {
  flex: 1;
  min-width: 0;
}

.menu-card__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.menu-card__name {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-espresso);
  line-height: 1.3;
}

.menu-card__price {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-amber);
  white-space: nowrap;
}

.menu-card__desc {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================================
   9. ABOUT
============================================================ */
.about {
  background-color: var(--color-parchment);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: -120px;
  left: -120px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 139, 58, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

@media (max-width: 768px) {
  .about__inner {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }
  .about__visual {
    order: -1;
  }
}

.about__text .section-title {
  margin-bottom: var(--space-6);
}

.about__body {
  font-size: 1.0625rem;
  color: var(--color-text-soft);
  line-height: 1.8;
  margin-bottom: var(--space-10);
}

.about__details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(160, 98, 44, 0.15);
}

.about__detail {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.about__detail-number {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-espresso);
  line-height: 1;
}

.about__detail-label {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

/* About visual decoration */
.about__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  max-width: 380px;
  margin: 0 auto;
}

.about__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(160, 98, 44, 0.2);
}

.about__ring--outer {
  width: 85%;
  aspect-ratio: 1;
  animation: rotateRing 30s linear infinite;
  border-style: dashed;
}

.about__ring--inner {
  width: 60%;
  aspect-ratio: 1;
  animation: rotateRing 20s linear infinite reverse;
  border-color: rgba(200, 139, 58, 0.25);
}

@keyframes rotateRing {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.about__bean-icon {
  width: 40%;
  color: var(--color-caramel);
  opacity: 0.7;
}

/* ============================================================
   10. FOOTER
============================================================ */
.footer {
  background-color: var(--color-espresso);
  color: var(--color-cream);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer__top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(245, 237, 224, 0.1);
  margin-bottom: var(--space-6);
}

@media (max-width: 768px) {
  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

.footer__logo {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-cream);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-3);
}

.footer__tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9375rem;
  color: rgba(245, 237, 224, 0.55);
  line-height: 1.5;
}

.footer__info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

@media (max-width: 480px) {
  .footer__info {
    grid-template-columns: 1fr 1fr;
  }
}

.footer__col-title {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--space-4);
}

.footer__address,
.footer__hours {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: rgba(245, 237, 224, 0.65);
  line-height: 1.7;
}

.footer__hours {
  display: block;
}

.footer__hours + .footer__hours {
  margin-top: var(--space-1);
}

.footer__socials {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.footer__social-link {
  color: rgba(245, 237, 224, 0.6);
  transition: color var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
  display: flex;
  align-items: center;
}

.footer__social-link:hover {
  color: var(--color-honey);
  transform: translateY(-2px);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__copy {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: rgba(245, 237, 224, 0.35);
  letter-spacing: 0.01em;
}

/* ============================================================
   11. SCROLL REVEAL ANIMATIONS
============================================================ */
.fade-in {
  animation: fadeInUp 1s var(--ease-out) both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Staggered children in hero */
.hero__content .hero__eyebrow  { animation-delay: 0.1s; }
.hero__content .hero__headline { animation-delay: 0.25s; }
.hero__content .hero__sub      { animation-delay: 0.4s; }
.hero__content .btn            { animation-delay: 0.55s; }

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger grid children */
.menu__grid .menu-card:nth-child(2) { transition-delay: 0.08s; }
.menu__grid .menu-card:nth-child(3) { transition-delay: 0.16s; }
.menu__grid .menu-card:nth-child(4) { transition-delay: 0.24s; }
.menu__grid .menu-card:nth-child(5) { transition-delay: 0.32s; }
.menu__grid .menu-card:nth-child(6) { transition-delay: 0.40s; }

/* ============================================================
   12. FOCUS & ACCESSIBILITY
============================================================ */
:focus-visible {
  outline: 2px solid var(--color-amber);
  outline-offset: 3px;
}

/* Skip to content (screen reader utility) */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-espresso);
  color: var(--color-cream);
  padding: 8px 12px;
  font-size: 0.875rem;
  z-index: 999;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}

/* ============================================================
   13. SELECTION
============================================================ */
::selection {
  background-color: var(--color-amber);
  color: var(--color-espresso);
}