/* ============================================================
   Mr. Dim Sum — shared styles
   Single source of truth for the common core used by every page:
   tokens, base type, nav, buttons, section system, dividers,
   reveal animations, footer, back-to-top, utilities.
   Page-specific rules remain inline in each HTML file.
   ============================================================ */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
input, textarea, select, button { border: none; }

:root {
  --red: #C41E24;
  --red-dark: #9E181D;
  --gold: #d5b686;
  --gold-dark: #b89b6a;
  --gold-light: #F5E6C4;
  --warm-bg: #FFFCF3;
  --warm-bg-alt: #FFF8E8;
  --hairline: 1px solid rgba(213,182,134,0.2);
  --charcoal: #1A1A1A;
  --brown: #3D2B1F;
  --brown-light: #5C4033;
  --gray-700: #374151;
  --gray-500: #6B7280;
  --gray-300: #D1D5DB;
  --gray-200: #E5E7EB;
  --white: #FFFFFF;
  --font-display: 'Italianno', cursive;
  --font-body: 'Gowun Batang', Georgia, serif;
  --font-ui: 'Inter', system-ui, -apple-system, sans-serif;
  --nav-height: 76px;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

::selection { background: var(--gold); color: var(--brown); }
::-moz-selection { background: var(--gold); color: var(--brown); }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--warm-bg);
  line-height: 1.2;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
@keyframes navFadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* REVEAL ANIMATIONS */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-left.is-visible { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-right.is-visible { opacity: 1; transform: translateX(0); }

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,252,243,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  animation: navFadeIn 0.8s ease both;
  border-bottom: var(--hairline);
}

.nav__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--nav-height);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav__links-left,
.nav__links-right {
  display: flex;
  list-style: none;
  gap: 32px;
}
.nav__links-left { justify-content: flex-end; }
.nav__links-right { justify-content: flex-start; }

.nav__links-left a,
.nav__links-right a {
  white-space: nowrap;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--brown);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.3s, opacity 0.3s;
  position: relative;
  padding-bottom: 2px;
}
.nav__links-left a::after,
.nav__links-right a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.4s var(--ease-out-expo);
}
.nav__links-left a:hover::after,
.nav__links-right a:hover::after {
  width: 100%;
}
.nav__links-left a:hover,
.nav__links-right a:hover { opacity: 0.7; }

/* Active nav link */
.nav__links-left a.is-active,
.nav__links-right a.is-active {
  color: var(--brown);
}
.nav__links-left a.is-active::after,
.nav__links-right a.is-active::after {
  width: 100%;
}

.nav__logo {
  justify-self: center;
  padding: 0 28px;
}
.nav__logo-img {
  height: 38px;
  width: auto;
}

/* HAMBURGER */
.nav__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  justify-self: end;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}
.nav__hamburger-lines {
  width: 22px;
  height: 16px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.nav__hamburger-lines span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--brown);
  border-radius: 2px;
  transition: transform 0.4s var(--ease-out-expo), opacity 0.3s ease;
  transform-origin: center;
}
.nav__hamburger.is-active .nav__hamburger-lines span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.is-active .nav__hamburger-lines span:nth-child(2) { opacity: 0; }
.nav__hamburger.is-active .nav__hamburger-lines span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* MOBILE MENU */
.nav__mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26,26,26,0.6);
  z-index: 98;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.nav__mobile-overlay.is-open { display: block; opacity: 1; }

.nav__mobile-menu {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 320px;
  max-width: 85vw;
  background: var(--warm-bg);
  z-index: 99;
  padding: 100px 40px 40px;
  transform: translateX(100%);
  transition: transform 0.5s var(--ease-out-expo);
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 40px rgba(0,0,0,0.15);
  overflow-y: auto;
}
.nav__mobile-menu.is-open { transform: translateX(0); }
.nav__mobile-menu a {
  display: flex;
  align-items: center;
  padding: 20px 0;
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--brown);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: var(--hairline);
  transition: color 0.3s, padding-left 0.3s;
  min-height: 44px;
}
.nav__mobile-menu a:hover, .nav__mobile-menu a:active {
  color: var(--red);
  padding-left: 12px;
}
.nav__mobile-menu a.is-active {
  color: var(--red);
}

/* Order Now pill, far right of the desktop nav */
.nav__links-right { align-items: center; }
.nav__links-right .nav__order-item { margin-left: auto; }
.nav__links-right a.nav__order,
.nav.is-solid .nav__links-right a.nav__order {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  background: #D4B483;
  color: #fff;
  opacity: 1;
  transition: background 0.3s, transform 0.3s;
}
.nav__links-right a.nav__order::after { display: none; }
.nav__links-right a.nav__order:hover { background: #C29C62; opacity: 1; transform: translateY(-1px); }

/* Tablet: nav links + logo + Order Now need ~910px; switch to the hamburger below that */
@media (max-width: 940px) {
  .nav__inner { grid-template-columns: 1fr auto auto; }
  .nav__links-left, .nav__links-right { display: none; }
  .nav__logo { justify-self: start; padding: 0; }
  .nav__hamburger { display: flex; }
}

@media (max-width: 768px) {
  .nav__inner {
    grid-template-columns: 1fr auto auto;
    height: 64px;
  }
  .nav__links-left, .nav__links-right { display: none; }
  .nav__logo { justify-self: start; padding: 0; }
  .nav__hamburger { display: flex; }
  .nav__logo-img { height: 28px; }
}

/* BTN */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 16px 40px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: all 0.4s var(--ease-out-expo);
  min-height: 52px;
  position: relative;
}
.btn:active { transform: scale(0.97); }

.btn--gold {
  background: #D4B483;
  color: #fff;
}
.btn--gold:hover {
  background: #C29C62;
  color: #fff;
  transform: translateY(-2px);
}

/* SECTION SHARED */
.section { padding: 88px 0; }
.section--alt { background: var(--warm-bg-alt); }

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 52px;
}

.section__label {
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 12px;
}

.section__title {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(2.75rem, 5vw, 3.75rem);
  margin-bottom: 16px;
  line-height: 1.2;
  color: var(--brown);
  letter-spacing: 0.02em;
}

.section__desc {
  font-family: var(--font-body);
  color: var(--gray-500);
  font-size: 1.05rem;
  line-height: 1.2;
}

/* DECORATIVE DIVIDER */
.divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 0 auto 20px;
  width: 120px;
}
.divider__line {
  flex: 1;
  height: 1px;
  background: var(--gold);
}
.divider__diamond {
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
  animation: float 4s ease-in-out infinite;
}

.footer {
  background: #672016;
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer__brand-logo {
  height: 32px;
  width: auto;
  margin-bottom: 20px;
  opacity: 0.9;
  filter: brightness(0) invert(1);
}
.footer__brand p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.2;
  color: rgba(255,255,255,0.55);
  max-width: 280px;
}

.footer h4 {
  color: var(--white);
  font-family: var(--font-ui);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer ul { list-style: none; }
.footer li { margin-bottom: 12px; }
.footer a {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.3s;
  position: relative;
}
.footer a:hover { color: var(--white); }

.footer__grid a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s ease;
}
.footer__grid a:hover::after { width: 100%; }

.footer address {
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.9375rem;
  line-height: 1.2;
  color: rgba(255,255,255,0.5);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.35);
}

.footer__socials { display: flex; gap: 16px; }
.footer__socials a {
  display: flex;
  padding: 4px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}
.footer__socials a:hover { transform: translateY(-2px); }
.footer__socials a::after { display: none; }
.footer__socials svg { width: 20px; height: 20px; fill: rgba(255,255,255,0.5); transition: fill 0.2s; }
.footer__socials a:hover svg { fill: var(--white); }

@media (max-width: 768px) {
  /* Mobile typography (placed after base rules so it wins the cascade) */
  body { font-size: 14px; }
  .section__label { font-size: 10px; }
  .section__desc { font-size: 14px; }
  .section__title { font-size: 2.5rem; }

  /* Wider side gutter */
  .container { padding-left: 32px; padding-right: 32px; }

  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .footer__socials { justify-content: center; }
}
@media (max-width: 480px) {
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
}

/* BACK TO TOP */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 90;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--gold);
  color: var(--brown);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease, background 0.2s, color 0.2s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
  -webkit-tap-highlight-color: transparent;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { background: #672016; color: var(--white); }
.back-to-top svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}