/* =============================================================
   Cikedis — snacks for better study
   Static site stylesheet (Flat structure, System fonts fallback)
   ============================================================= */

:root {
  /* Typography - 使用高质感跨平台通用字体 */
  --font-body: "Nunito", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Fredoka", "Nunito", system-ui, -apple-system, sans-serif;
  --font-hand: "Caveat", "Comic Sans MS", cursive;

  --fs-display: clamp(2.75rem, 9vw, 5.5rem);
  --fs-headline: clamp(1.75rem, 4.4vw, 2.75rem);
  --fs-title: clamp(1.25rem, 2.6vw, 1.6rem);
  --fs-body: 1rem;
  --fs-label: 0.9375rem;
  --fs-small: 0.8125rem;

  /* Radii */
  --radius: 1.25rem;
  --radius-sm: calc(var(--radius) - 4px);
  --radius-lg: calc(var(--radius) + 4px);
  --radius-xl: 2rem;
  --radius-pill: 999px;

  /* Brand palette */
  --cream: #fdf3e3;
  --cream-deep: #f8e8d0;
  --paper: #ffffff;
  --cocoa: #4a2c11;
  --cocoa-soft: #633e1c;
  --cocoa-mid: #855b33;
  --caramel: #d97724;
  --caramel-deep: #b85e13;
  --amber: #f2a93b;
  --butter: #fce182;
  --butter-pale: #fef4cf;

  /* Semantic aliases */
  --bg: var(--cream);
  --fg: var(--cocoa);
  --muted-fg: var(--cocoa-mid);
  --line: rgba(74, 44, 17, 0.14);

  /* Elevation */
  --sticker: 4px 5px 0 var(--cocoa);
  --sticker-lg: 7px 9px 0 var(--cocoa);
  --sticker-xl: 8px 10px 0 var(--cocoa);

  /* Motion */
  --dur: 220ms;
  --dur-slow: 380ms;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* Layout */
  --shell: 1180px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --header-h: 76px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--fg);
  background-color: var(--bg);
  background-image:
    radial-gradient(120% 80% at 8% -10%, rgba(254, 244, 207, 0.9) 0%, transparent 55%),
    radial-gradient(90% 70% at 100% 0%, rgba(242, 169, 59, 0.22) 0%, transparent 60%),
    radial-gradient(80% 60% at 50% 110%, rgba(252, 225, 130, 0.35) 0%, transparent 65%);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
}

p {
  margin: 0;
}

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

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

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: 0;
  background: none;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  position: relative;
  padding-block: clamp(3.5rem, 9vw, 6.5rem);
  scroll-margin-top: calc(var(--header-h) + 0.5rem);
}

.hand {
  font-family: var(--font-hand);
  font-weight: 700;
}

.eyebrow {
  font-family: var(--font-hand);
  font-size: clamp(1.15rem, 3vw, 1.6rem);
  color: var(--caramel-deep);
  line-height: 1.1;
}

.section-head {
  max-width: 42ch;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.section-head h2 {
  font-size: var(--fs-headline);
  margin-top: 0.35rem;
}
.section-head p {
  margin-top: 0.85rem;
  color: var(--muted-fg);
  font-size: var(--fs-label);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-label);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.btn svg {
  width: 1.15em;
  height: 1.15em;
  flex: none;
}

.btn-primary {
  background: var(--caramel);
  color: var(--paper);
  box-shadow: var(--sticker);
}
.btn-primary:hover {
  background: var(--caramel-deep);
  transform: translate(-2px, -2px);
  box-shadow: var(--sticker-lg);
}

.btn-cocoa {
  background: var(--cocoa);
  color: var(--butter);
  box-shadow: var(--sticker);
}
.btn-cocoa:hover {
  background: var(--cocoa-soft);
  transform: translate(-2px, -2px);
  box-shadow: var(--sticker-lg);
}

.btn-ghost {
  background: var(--paper);
  color: var(--cocoa);
  border: 2px solid var(--cocoa);
}
.btn-ghost:hover {
  background: var(--butter-pale);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-small);
}

.dotfield {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
  background-image: radial-gradient(rgba(74, 44, 17, 0.25) 1.5px, transparent 1.5px);
  background-size: 26px 26px;
  mask-image: radial-gradient(120% 90% at 50% 30%, #000 20%, transparent 78%);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.site-header.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px rgba(74, 44, 17, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}
.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
}
.brand-tag {
  font-family: var(--font-hand);
  font-size: 0.95rem;
  color: var(--caramel-deep);
  margin-top: 0.15rem;
}

.nav {
  display: none;
  align-items: center;
  gap: 0.35rem;
}
.nav a {
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: var(--fs-label);
  color: var(--cocoa-soft);
}
.nav a:hover, .nav a.is-active {
  background: var(--butter-pale);
  color: var(--cocoa);
}

.header-actions {
  display: none;
  align-items: center;
  gap: 0.6rem;
}
.header-actions .btn {
  padding: 0.65rem 1.15rem;
  font-size: var(--fs-small);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 2px solid var(--cocoa);
  background: var(--butter);
  box-shadow: 3px 3px 0 var(--cocoa);
}
.nav-toggle svg {
  width: 22px;
  height: 22px;
}
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.mobile-nav {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--dur-slow) var(--ease);
  border-top: 2px solid transparent;
}
.mobile-nav.is-open {
  max-height: 340px;
  border-top-color: var(--line);
}
.mobile-nav ul {
  padding: 0.75rem 0 1.25rem;
  display: grid;
  gap: 0.25rem;
}
.mobile-nav a {
  display: block;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius);
  font-weight: 800;
  color: var(--cocoa-soft);
}

/* Hero */
.hero {
  position: relative;
  padding-top: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: 0;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem 0.45rem 0.85rem;
  border-radius: var(--radius-pill);
  background: var(--butter);
  border: 2px solid var(--cocoa);
  box-shadow: 3px 4px 0 var(--cocoa);
  transform: rotate(-2deg);
}
.hero h1 {
  font-size: var(--fs-display);
  margin-top: 1.15rem;
}
.hero h1 .line { display: block; }
.hero h1 .accent {
  color: var(--caramel);
  display: inline-block;
  transform: rotate(-1.5deg);
}
.hero-sub {
  margin-top: 1.1rem;
  font-size: clamp(1.02rem, 2.1vw, 1.18rem);
  color: var(--cocoa-soft);
}
.hero-cta {
  margin-top: 1.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hero-hand {
  margin-top: 1.4rem;
  font-family: var(--font-hand);
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  color: var(--caramel-deep);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 320px;
}
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(6px);
  z-index: 0;
}
.hero-blob.a {
  width: 62%;
  aspect-ratio: 1;
  background: radial-gradient(circle at 40% 35%, var(--butter-pale), var(--butter));
}
.hero-mascot {
  position: relative;
  z-index: 2;
  width: 100% !important;
  max-width: 280px !important; /* 调整吉祥物的大小 */
  height: auto !important;
  object-fit: contain !important;
  filter: drop-shadow(0 18px 24px rgba(74, 44, 17, 0.22));
}

.float-pack {
  position: absolute;
  z-index: 3;
  width: 24%;
  filter: drop-shadow(0 10px 14px rgba(74, 44, 17, 0.24));
}
.float-pack.p1 { left: 0; top: 12%; transform: rotate(-11deg); }
.float-pack.p2 { right: 2%; top: 4%; width: 20%; transform: rotate(9deg); }
.float-pack.p3 { left: 4%; bottom: 6%; width: 22%; transform: rotate(7deg); }
.float-pack.p4 { right: 6%; bottom: 12%; width: 19%; transform: rotate(-8deg); }

.hero-arrow {
  position: absolute;
  right: 2%;
  bottom: 22%;
  width: 84px;
  color: var(--caramel-deep);
  z-index: 1;
  opacity: 0.85;
}

/* Marquee */
.marquee {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  background: var(--cocoa);
  color: var(--butter);
  border-top: 3px solid var(--cocoa);
  overflow: hidden;
  padding-block: 0.7rem;
}
.marquee-track {
  display: flex;
  gap: 2.5rem;
  width: max-content;
}
.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: 2.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-label);
  white-space: nowrap;
}
.marquee-track span::after {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--caramel);
}

/* Combo banner */
.combo-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.75rem, 4.5vw, 3.25rem);
  border-radius: 2.5rem;
  border: 3px solid var(--cocoa);
  background: var(--caramel);
  box-shadow: var(--sticker-xl);
  color: var(--paper);
}
.combo-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}
.combo-badge {
  background: var(--butter);
  color: var(--cocoa);
  border: 2px solid var(--cocoa);
  box-shadow: 3px 4px 0 var(--cocoa);
}
.combo-collage {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.combo-collage figure {
  margin: 0;
  padding: 0.85rem 0.6rem;
  border-radius: var(--radius);
  background: var(--paper);
  border: 2px solid var(--cocoa);
  text-align: center;
}
.combo-collage img {
  width: 100%;
  height: 84px;
  object-fit: contain;
}
.combo-total {
  margin-top: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius);
  background: var(--butter);
  border: 2px solid var(--cocoa);
  color: var(--cocoa);
}

/* Menu */
.menu-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: clamp(1.75rem, 3.5vw, 2.5rem);
}
.chip {
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-pill);
  border: 2px solid var(--cocoa);
  background: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--cocoa);
  box-shadow: 3px 3px 0 var(--cocoa);
}
.chip[aria-pressed="true"] { background: var(--butter); }

.menu-group + .menu-group { margin-top: clamp(2rem, 4vw, 3rem); }
.menu-group-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
  font-size: var(--fs-title);
}
.menu-group-title .count {
  font-size: var(--fs-small);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--butter-pale);
  color: var(--cocoa-soft);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: clamp(1rem, 2.2vw, 1.5rem);
}

.product-card {
  display: flex;
  flex-direction: column;
  padding: 1.1rem 1.1rem 1.25rem;
  border-radius: var(--radius-xl);
  background: var(--paper);
  border: 3px solid var(--cocoa);
  box-shadow: var(--sticker);
}
.product-card.is-hidden { display: none; }

.product-media {
  position: relative;
  display: grid;
  place-items: center;
  height: 150px;
  border-radius: var(--radius);
  background: var(--butter-pale);
  overflow: hidden;
}
.product-media img {
  max-height: 128px;
  width: auto;
  object-fit: contain;
}
.product-badge {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
  background: var(--caramel);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 0.72rem;
  border: 2px solid var(--cocoa);
}
.product-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding-top: 0.9rem;
}
.product-name {
  font-size: 1.12rem;
}
.product-tagline {
  margin-top: 0.3rem;
  font-size: var(--fs-small);
  color: var(--muted-fg);
}
.product-foot {
  margin-top: auto;
  padding-top: 1rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--caramel-deep);
}
.price .amount { font-size: 1.6rem; }
.order-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--cocoa);
  color: var(--butter);
  font-size: var(--fs-small);
}

.menu-empty {
  display: none;
  padding: 2rem;
  border: 3px dashed var(--line);
  border-radius: var(--radius-xl);
  text-align: center;
  color: var(--muted-fg);
}
.menu-empty.is-visible { display: block; }

/* Steps */
.steps-panel {
  padding: clamp(1.75rem, 4vw, 3rem);
  border-radius: var(--radius-xl);
  background: var(--butter-pale);
  border: 3px solid var(--cocoa);
  box-shadow: var(--sticker-xl);
}
.steps {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.1rem;
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius-lg);
  background: var(--paper);
  border: 3px solid var(--cocoa);
  box-shadow: var(--sticker);
}
.step-num {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: var(--caramel);
  border: 3px solid var(--cocoa);
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--paper);
}
.step-arrow { display: none; }

/* Contact & Footer */
.contact-card {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding: clamp(1.75rem, 4.5vw, 3rem);
  border-radius: 2.5rem;
  background: var(--paper);
  border: 3px solid var(--cocoa);
  box-shadow: var(--sticker-xl);
}
.contact-person {
  margin-top: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1.15rem 0.75rem 0.8rem;
  border-radius: var(--radius-pill);
  background: var(--cream-deep);
  border: 2px solid var(--cocoa);
}
.contact-person .avatar {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--caramel);
  border: 2px solid var(--cocoa);
  color: var(--paper);
}
.phone-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  background: var(--butter);
  border: 3px solid var(--cocoa);
}
.contact-note {
  font-family: var(--font-hand);
  font-size: 1.25rem;
  color: var(--caramel-deep);
  text-align: center;
}

.site-footer {
  margin-top: clamp(3rem, 7vw, 5rem);
  background: var(--cocoa);
  color: rgba(255, 255, 255, 0.9);
}
.footer-inner {
  padding-block: clamp(2.25rem, 5vw, 3.25rem);
  display: grid;
  gap: 2rem;
}
.footer-brand img {
  width: 58px;
  height: 58px;
  background: var(--paper);
  border-radius: 16px;
  padding: 5px;
}
.footer-bottom {
  border-top: 2px solid rgba(255, 255, 255, 0.16);
  padding-block: 1.25rem;
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-small);
}

.fab {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 70;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.25rem;
  border-radius: var(--radius-pill);
  background: var(--caramel);
  color: var(--paper);
  border: 2px solid var(--cocoa);
  box-shadow: 0 10px 24px rgba(74, 44, 17, 0.32);
}

.reveal { opacity: 1; transform: none; }
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 640ms var(--ease), transform 640ms var(--ease);
}
.js .reveal.is-in { opacity: 1; transform: none; }

@media (min-width: 768px) {
  .steps { grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; }
  .step-arrow { display: block; width: 54px; color: var(--caramel-deep); justify-self: center; }
}
@media (min-width: 900px) {
  .nav, .header-actions { display: flex; }
  .nav-toggle, .mobile-nav { display: none; }
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; }
  .combo-grid { grid-template-columns: 1.15fr 0.85fr; }
  .contact-card { grid-template-columns: 1.05fr 0.95fr; align-items: center; }
}
/* 修复 SVG 图标巨大化变形问题 */
.order-btn svg,
.btn svg,
.in-combo svg {
  width: 1rem !important;
  height: 1rem !important;
  max-width: 20px !important;
  max-height: 20px !important;
  flex-shrink: 0 !important;
  display: inline-block !important;
}

.order-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0.4rem !important;
  padding: 0.5rem 0.9rem !important;
  white-space: nowrap !important;
}