/* ═══════════════════════════════════════════════
   智答工作室 — Design System v5
   Light default · Dark mode · Full feature set
   ═══════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --bg:          #FAFAF8;
  --bg2:         #F3F2EE;
  --surface:     #FFFFFF;
  --dark:        #0F1E38;
  --dark2:       #0A1628;
  --heading:     #1A1A2E;
  --body:        #4A4A68;
  --muted:       #9898B0;
  --orange:      #FF6B35;
  --orange-2:    #FF8E53;
  --orange-3:    #FFBA8A;
  --mint:        #00D4AA;
  --mint-2:      #00F0C0;
  --card-bg:     #FFFFFF;
  --card-border: rgba(26,26,46,.09);
  --nav-scrolled:  rgba(250,250,248,.92);
  --mob-menu-bg:   rgba(250,250,248,.97);
  --shadow-s:    0 2px 12px rgba(26,26,46,.06);
  --shadow-m:    0 8px 32px rgba(26,26,46,.10);
  --shadow-l:    0 20px 60px rgba(26,26,46,.14);
  --glow-orange: 0 0 40px rgba(255,107,53,.42);
  --glow-mint:   0 0 32px rgba(0,212,170,.35);
  --r-s: 8px; --r-m: 16px; --r-l: 24px; --r-xl: 36px;
}
[data-theme="dark"] {
  --bg:          #0F1E38;
  --bg2:         #0A1628;
  --surface:     #152036;
  --dark:        #060F1E;
  --dark2:       #040C18;
  --heading:     #FFFFFF;
  --body:        rgba(255,255,255,.68);
  --muted:       rgba(255,255,255,.38);
  --card-bg:     rgba(255,255,255,.06);
  --card-border: rgba(255,255,255,.10);
  --nav-scrolled:  rgba(15,30,56,.92);
  --mob-menu-bg:   rgba(15,30,56,.97);
  --shadow-s:    0 2px 12px rgba(0,0,0,.30);
  --shadow-m:    0 8px 32px rgba(0,0,0,.38);
  --shadow-l:    0 20px 60px rgba(0,0,0,.48);
}

/* Smooth theme transition */
html.theme-transitioning * {
  transition:
    background-color .35s ease,
    color .35s ease,
    border-color .35s ease,
    box-shadow .35s ease !important;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans TC", "Inter", sans-serif;
  font-size: clamp(.9375rem, 1.5vw, 1.125rem); line-height: 1.7;
  color: var(--body); background: var(--bg);
  overflow-x: hidden;
}
* { cursor: default !important; }
a, button, [role="button"], label[for], select { cursor: pointer !important; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ── Scroll progress ── */
#scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, #FF6B35, #00D4AA);
  z-index: 9999; transition: width .08s linear;
  box-shadow: 0 0 10px rgba(255,107,53,.6);
}

/* ── Theme toggle (fixed bottom-right) ── */
#theme-toggle {
  position: fixed; bottom: 32px; right: 32px; z-index: 9000;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  box-shadow: var(--shadow-m);
  cursor: pointer !important; font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  transition: transform .35s cubic-bezier(.34,1.56,.64,1), box-shadow .3s;
}
#theme-toggle:hover {
  transform: rotate(30deg) scale(1.1);
  box-shadow: var(--glow-orange);
}

/* ════════════════════
   NAVBAR
════════════════════ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 6%;
  transition: padding .35s, background .4s, box-shadow .4s;
}
#navbar.scrolled {
  padding: 14px 6%;
  background: var(--nav-scrolled);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: 0 1px 0 var(--card-border), 0 8px 32px rgba(0,0,0,.08);
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-svg {
  flex-shrink: 0;
  transition: transform .5s cubic-bezier(.34,1.56,.64,1);
  filter: drop-shadow(0 2px 8px rgba(255,107,53,.28));
}
.nav-logo:hover .logo-svg { transform: rotate(-14deg) scale(1.1); }
.logo-text-wrap { display: flex; flex-direction: column; }
.logo-text { font-size: 15px; font-weight: 700; color: var(--heading); letter-spacing: -.01em; }
.logo-sub  { font-size: 10px; color: var(--muted); letter-spacing: .1em; }
nav ul { display: flex; align-items: center; gap: 32px; }
nav ul a {
  font-size: 16px; font-weight: 500; color: var(--body);
  position: relative; padding-bottom: 3px;
  transition: color .25s;
}
nav ul a::after {
  content: ""; position: absolute; bottom: 0;
  left: 50%; right: 50%;
  height: 2px; background: #FF6B35; border-radius: 1px;
  transition: left .3s ease, right .3s ease;
}
nav ul a:hover { color: var(--heading); }
nav ul a:hover::after { left: 0; right: 0; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-login {
  font-size: 14px; font-weight: 600; color: var(--body);
  padding: 8px 18px; border-radius: 999px;
  border: 1.5px solid var(--card-border);
  transition: border-color .25s, color .25s;
}
.nav-login:hover { border-color: #FF6B35; color: #FF6B35; }
.nav-cta {
  font-size: 14px; font-weight: 700; color: #fff;
  padding: 9px 22px; border-radius: 999px;
  background: #FF6B35;
  box-shadow: 0 4px 16px rgba(255,107,53,.38);
  position: relative; overflow: hidden;
  transition: box-shadow .3s, transform .2s;
}
.nav-cta::before {
  content: ""; position: absolute; inset: 0; border-radius: 999px;
  background: rgba(255,255,255,.22); transform: translateX(-110%);
  transition: transform .4s ease;
}
.nav-cta:hover::before { transform: translateX(0); }
.nav-cta:hover { box-shadow: var(--glow-orange); transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--heading); border-radius: 2px; transition: transform .3s, opacity .3s; }
.hamburger.open {
  border-radius: 50%;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  gap: 0;
}
.hamburger.open span { background: #fff; }
.hamburger.open span:nth-child(1) { transform: translateY(0) rotate(45deg); position: absolute; }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(0) rotate(-45deg); position: absolute; }
#mobile-menu {
  display: none; position: fixed; inset: 0;
  background: var(--mob-menu-bg); backdrop-filter: blur(20px);
  z-index: 999; flex-direction: column; align-items: center;
  justify-content: center; gap: 36px;
}
#mobile-menu.open { display: flex; }
#mobile-menu a { font-size: 22px; font-weight: 600; color: var(--heading); transition: color .2s; }
#mobile-menu a:hover { color: #FF6B35; }
#mobile-menu .mob-cta {
  background: #FF6B35; color: #fff !important;
  padding: 14px 44px; border-radius: 999px;
  box-shadow: 0 6px 24px rgba(255,107,53,.4);
}

/* ── Nav Dropdown (Megamenu) ── */
.nav-has-dropdown { position: relative; }
.nav-dd-btn {
  background: none; border: none; font-size: 16px; font-weight: 500;
  color: var(--body); cursor: pointer !important;
  display: flex; align-items: center; gap: 5px; padding: 0;
  transition: color .25s;
}
.nav-dd-btn:hover { color: var(--heading); }
.nav-chevron { transition: transform 0.3s cubic-bezier(0.16,1,0.3,1); flex-shrink: 0; }
.nav-has-dropdown.open .nav-chevron { transform: rotate(180deg); }
.nav-dropdown {
  position: absolute; top: calc(100% + 20px); left: 50%;
  transform: translateX(-50%) translateY(-8px);
  width: 560px;
  display: grid; grid-template-columns: 1fr auto 1fr;
  background: rgba(250,250,248,.97);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(26,26,46,.08); border-radius: 20px;
  padding: 20px; gap: 0;
  box-shadow: 0 4px 16px rgba(0,0,0,.06), 0 20px 60px rgba(0,0,0,.12);
  opacity: 0; visibility: hidden; pointer-events: none; z-index: 200;
  transition: opacity .25s ease, transform .4s cubic-bezier(0.16,1,0.3,1), visibility .25s;
}
[data-theme="dark"] .nav-dropdown {
  background: rgba(10,22,40,.97);
  border-color: rgba(255,255,255,.10);
}
.nav-has-dropdown.open .nav-dropdown {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dd-sep { width: 1px; background: var(--card-border); margin: 0 8px; align-self: stretch; }
.nav-dd-col { display: flex; flex-direction: column; gap: 2px; }
.nav-dd-item {
  display: flex; align-items: center; gap: 12px; padding: 11px 12px;
  border-radius: 12px; transition: background .2s; color: inherit;
}
.nav-dd-item:hover { background: rgba(255,107,53,.06); }
.nav-dd-coming { opacity: .7; }
.nav-dd-icon {
  width: 38px; height: 38px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.nav-dd-text strong { display: block; font-size: 13px; font-weight: 700; color: var(--heading); }
.nav-dd-text span   { display: block; font-size: 12px; color: var(--muted); margin-top: 1px; }
.nav-dd-tag {
  display: inline-block; font-size: 10px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 5px; margin-top: 3px;
  background: rgba(152,152,176,.12); color: var(--muted);
}

/* ════════════════════
   SCROLL REVEAL
════════════════════ */
.fade-up, .fade-left, .fade-right, .fade-scale {
  opacity: 0; will-change: opacity, transform;
  transition: opacity 0.9s cubic-bezier(0.16,1,0.3,1), transform 0.9s cubic-bezier(0.16,1,0.3,1);
}
.fade-up    { transform: translateY(44px); }
.fade-left  { transform: translateX(-40px); }
.fade-right { transform: translateX(40px); }
.fade-scale { transform: scale(.93); }
.fade-up.visible, .fade-left.visible, .fade-right.visible, .fade-scale.visible {
  opacity: 1; transform: none;
}
.d1{transition-delay:.12s} .d2{transition-delay:.24s}
.d3{transition-delay:.36s} .d4{transition-delay:.48s}

/* ════════════════════
   SECTION COMMON
════════════════════ */
section { padding: 112px 6%; position: relative; }
.section-eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  color: #FF6B35; margin-bottom: 14px;
}
.section-title {
  font-family: "Manrope", "Noto Sans TC", sans-serif;
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800; color: var(--heading);
  line-height: 1.18; letter-spacing: -.025em; margin-bottom: 16px;
}
.section-sub {
  font-size: clamp(1rem, 1.5vw, 1.125rem); color: var(--body); line-height: 1.85; max-width: 520px;
}
.section-head { text-align: center; margin-bottom: 72px; }
.section-head .section-sub { margin: 0 auto; }

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: #FF6B35; color: #fff;
  padding: 16px 38px; border-radius: 999px;
  font-size: 16px; font-weight: 700; border: none; cursor: pointer;
  box-shadow: 0 6px 24px rgba(255,107,53,.42);
  position: relative; overflow: hidden;
  animation: ctaPulse 3s ease-in-out infinite;
  transition: transform .2s;
}
.btn-primary::before {
  content: ""; position: absolute; inset: 0; border-radius: 999px;
  background: rgba(255,255,255,.22); transform: translateX(-110%);
  transition: transform .4s ease;
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:hover { transform: translateY(-2px); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--heading); padding: 16px 38px; border-radius: 999px;
  font-size: 16px; font-weight: 600;
  border: 1.5px solid var(--card-border); cursor: pointer;
  background: transparent;
  transition: border-color .3s, color .3s, background .3s, transform .2s;
}
.btn-ghost:hover { border-color: #FF6B35; color: #FF6B35; background: rgba(255,107,53,.05); transform: translateY(-2px); }
.btn-mint {
  display: inline-flex; align-items: center; gap: 8px;
  background: #00D4AA; color: #0F1E38;
  padding: 16px 38px; border-radius: 999px;
  font-size: 16px; font-weight: 700; border: none; cursor: pointer;
  box-shadow: 0 6px 24px rgba(0,212,170,.35);
  transition: box-shadow .3s, transform .2s;
}
.btn-mint:hover { box-shadow: var(--glow-mint); transform: translateY(-2px); }
.btn-outline-white {
  display: inline-flex; align-items: center; gap: 8px;
  color: rgba(255,255,255,.78); padding: 16px 38px; border-radius: 999px;
  font-size: 16px; font-weight: 600; cursor: pointer;
  border: 1.5px solid rgba(255,255,255,.2); background: transparent;
  transition: border-color .3s, color .3s, transform .2s;
}
.btn-outline-white:hover { border-color: rgba(255,255,255,.55); color: #fff; transform: translateY(-2px); }

/* ════════════════════
   HERO
════════════════════ */
#hero {
  min-height: 100vh; padding: 140px 6% 80px;
  background: linear-gradient(-45deg, #FAFAF8, #FFF8F5, #F5FDF9, #FAFAF8, #FFF5F0);
  background-size: 400% 400%;
  animation: heroGradientFlow 18s ease infinite;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
}
[data-theme="dark"] #hero {
  background: linear-gradient(-45deg, #0F1E38, #121E3A, #0A1E30, #101F38, #0E1A2E);
  background-size: 400% 400%;
  animation: heroGradientFlow 18s ease infinite;
}
.hero-dots {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(rgba(26,26,46,.045) 1px, transparent 1px);
  background-size: 36px 36px;
}
[data-theme="dark"] .hero-dots {
  background-image: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px);
}
/* Background glow orbs */
.geo { position: absolute; pointer-events: none; z-index: 0; border-radius: 50%; }
.geo-1 {
  width: 500px; height: 500px; top: -120px; right: 5%;
  background: radial-gradient(circle, rgba(255,107,53,.1) 0%, transparent 65%);
  animation: geoFloat1 14s ease-in-out infinite;
}
.geo-2 {
  width: 320px; height: 320px; bottom: 10%; left: 2%;
  background: radial-gradient(circle, rgba(0,212,170,.08) 0%, transparent 65%);
  animation: geoFloat2 18s ease-in-out infinite;
}
.geo-3 {
  width: 200px; height: 200px; top: 40%; left: 40%;
  background: radial-gradient(circle, rgba(255,107,53,.06) 0%, transparent 65%);
  animation: geoFloat3 11s ease-in-out infinite;
}
.geo-4 {
  width: 100px; height: 100px; top: 20%; right: 30%;
  border: 1px solid rgba(0,212,170,.18); transform: rotate(45deg); border-radius: 16px;
  background: rgba(0,212,170,.04);
  animation: geoFloat2 9s ease-in-out infinite reverse;
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: 64px; width: 100%;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,107,53,.1); border: 1px solid rgba(255,107,53,.22);
  color: #FF6B35; font-size: 12px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 28px;
  animation: fadeDown .8s ease both;
}
.hero-badge .pulse { width: 7px; height: 7px; background: #FF6B35; border-radius: 50%; animation: pls 1.6s infinite; flex-shrink: 0; }
.hero-title {
  font-family: "Manrope", "Noto Sans TC", sans-serif;
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800; color: var(--heading);
  line-height: 1.1; letter-spacing: -.03em; margin-bottom: 24px;
  animation: fadeUp .9s .1s ease both;
}
.hero-title .grad {
  background: linear-gradient(135deg, #FF6B35, #FF8E53);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  filter: drop-shadow(0 0 22px rgba(255,107,53,.28));
}
.hero-title .mint {
  background: linear-gradient(135deg, #00D4AA, #00F0C0);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
  font-size: clamp(1.125rem, 2vw, 1.5rem); color: var(--body);
  line-height: 1.85; max-width: 460px;
  animation: fadeUp .9s .22s ease both; margin-bottom: 44px;
}
.hero-actions {
  display: flex; gap: 14px; flex-wrap: wrap;
  animation: fadeUp .9s .34s ease both;
}
.hero-stats { display: flex; gap: 44px; margin-top: 60px; flex-wrap: wrap; animation: fadeUp .9s .48s ease both; }
.hstat-val { font-family: "Manrope", sans-serif; font-size: 2rem; font-weight: 800; color: var(--heading); }
.hstat-val span { color: #FF6B35; }
.hstat-lbl { font-size: 13px; color: var(--muted); margin-top: 3px; }

/* ── Hero rotating word ── */
#hero-rotating {
  display: inline-block;
  transition: opacity .3s ease, transform .35s cubic-bezier(0.16,1,0.3,1);
}

/* ── Hero Illustration (SVG line drawing) ── */
.hero-illustration {
  position: relative; width: 100%; height: 540px;
  animation: fadeUp .9s .25s cubic-bezier(0.16,1,0.3,1) both;
}
.hero-svg {
  width: 100%; height: 100%; max-width: 580px; overflow: visible;
  filter: drop-shadow(0 24px 60px rgba(255,107,53,.10));
}
[data-theme="dark"] .hero-svg {
  filter: drop-shadow(0 24px 60px rgba(255,107,53,.20));
}
.svg-anim {
  animation: svgDraw 1.8s cubic-bezier(0.16,1,0.3,1) both;
  animation-delay: var(--ad, 0s);
}
.svg-fade {
  animation: svgFadeIn .6s cubic-bezier(0.16,1,0.3,1) both;
  animation-delay: var(--ad, 0s);
}
.typing-dot {
  animation: svgFadeIn .5s cubic-bezier(0.16,1,0.3,1) both, typingBounce 1.4s ease-in-out infinite;
  animation-delay: var(--ad, 2.3s), calc(var(--ad, 2.3s) + .5s);
}
.typing-dot.d2 { animation-delay: var(--ad, 2.3s), calc(var(--ad, 2.3s) + .72s); }
.typing-dot.d3 { animation-delay: var(--ad, 2.3s), calc(var(--ad, 2.3s) + .94s); }
@keyframes svgDraw   { to { stroke-dashoffset: 0; } }
@keyframes svgFadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ── Hero background geometric shapes ── */
.bg-shape { position: absolute; pointer-events: none; z-index: 0; }
.bg-s1 {
  width: 380px; height: 380px; top: -80px; right: 8%;
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  background: linear-gradient(180deg, rgba(255,107,53,.05) 0%, rgba(255,107,53,.01) 100%);
  animation: shapeFloat1 22s ease-in-out infinite;
}
.bg-s2 {
  width: 260px; height: 300px; bottom: 5%; left: 8%;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: rgba(0,212,170,.04);
  animation: shapeFloat2 28s ease-in-out infinite;
}
.bg-s3 {
  width: 120px; height: 120px; top: 30%; right: 45%;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  background: rgba(255,107,53,.04);
  animation: shapeFloat1 16s ease-in-out infinite reverse;
}
@keyframes shapeFloat1 {
  0%,100% { transform: translate(0,0) rotate(0deg); }
  33%     { transform: translate(20px,-30px) rotate(5deg); }
  66%     { transform: translate(-15px,20px) rotate(-3deg); }
}
@keyframes shapeFloat2 {
  0%,100% { transform: translate(0,0) rotate(0deg); }
  50%     { transform: translate(25px,-20px) rotate(-8deg); }
}

/* ════════════════════
   PAIN SECTION
════════════════════ */
#pain { background: var(--bg2); }
.pain-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: center; }
.pain-chat { display: flex; flex-direction: column; gap: 14px; }
.chat-row { display: flex; align-items: flex-end; gap: 10px; }
.chat-row.right { flex-direction: row-reverse; }
.chat-avatar { width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.chat-avatar.customer { background: linear-gradient(135deg, #667EEA, #764BA2); }
.chat-avatar.ai       { background: linear-gradient(135deg, #FF6B35, #FF8E53); }
.chat-bubble {
  padding: 12px 16px; border-radius: 20px; max-width: 72%;
  font-size: 14px; line-height: 1.7; animation: bubbleIn .4s ease both;
}
.chat-bubble.customer { background: var(--card-bg); color: var(--heading); border-bottom-left-radius: 4px; box-shadow: var(--shadow-s); }
.chat-bubble.ai       { background: #FF6B35; color: #fff; border-bottom-right-radius: 4px; }
.chat-bubble.ai.mint  { background: #00D4AA; color: #0F1E38; }
.chat-time { font-size: 11px; color: var(--muted); margin-bottom: 4px; text-align: right; }
.chat-label { font-size: 12px; font-weight: 700; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; margin-bottom: 4px; padding-left: 44px; }
.chat-label.right { text-align: right; padding-left: 0; padding-right: 44px; }
/* Pain right column items */
.pain-item { display: flex; gap: 14px; align-items: flex-start; }
.pain-item-icon {
  width: 40px; height: 40px; border-radius: 12px;
  background: rgba(255,107,53,.1); display: flex; align-items: center;
  justify-content: center; font-size: 20px; flex-shrink: 0;
}
.pain-item-title { font-weight: 700; color: var(--heading); font-size: 1rem; margin-bottom: 4px; }
.pain-item-desc  { font-size: 15px; color: var(--body); line-height: 1.7; }

/* ════════════════════
   FEATURES (Asymmetric)
════════════════════ */
#features { background: var(--bg); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feat-card {
  background: var(--card-bg); border-radius: var(--r-l);
  padding: 36px 32px; border: 1px solid var(--card-border);
  box-shadow: var(--shadow-s);
  position: relative; overflow: hidden;
  transition: transform .45s cubic-bezier(.23,1,.32,1), box-shadow .4s, border-color .35s;
}
/* Shimmer on hover */
.feat-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 25%, rgba(255,255,255,.07) 50%, transparent 75%);
  transform: translateX(-150%); pointer-events: none;
}
.feat-card:hover::after { animation: shimmerSweep .6s ease forwards; }
/* Top accent line */
.feat-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, #FF6B35, #FF8E53);
  transform: scaleX(0); transform-origin: left; transition: transform .35s; z-index: 1;
}
.feat-card:hover { transform: translateY(-9px); box-shadow: var(--shadow-l); border-color: rgba(255,107,53,.2); }
.feat-card:hover::before { transform: scaleX(1); }
.feat-card.large { grid-column: span 2; }
.feat-icon {
  width: 58px; height: 58px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(255,107,53,.13), rgba(255,107,53,.04));
  border: 1px solid rgba(255,107,53,.14);
  display: flex; align-items: center; justify-content: center; font-size: 27px; margin-bottom: 20px;
  transition: transform .4s cubic-bezier(.34,1.56,.64,1), box-shadow .3s;
}
.feat-card:hover .feat-icon { transform: scale(1.12) rotate(-8deg); box-shadow: 0 8px 28px rgba(255,107,53,.22); }
.feat-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--heading); margin-bottom: 10px; }
.feat-card p  { font-size: 16px; color: var(--body); line-height: 1.8; }
.feat-tag {
  display: inline-block; font-size: 11px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 999px; margin-bottom: 14px;
  background: rgba(0,212,170,.1); color: #00D4AA;
  border: 1px solid rgba(0,212,170,.25);
}

/* ════════════════════
   STATS (Dark)
════════════════════ */
#stats {
  background: var(--dark);
  padding: 100px 6%; overflow: hidden; position: relative;
}
/* Glow orbs */
#stats::before {
  content: ""; position: absolute; pointer-events: none;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,53,.09) 0%, transparent 65%);
  top: -200px; left: -100px;
}
#stats::after {
  content: ""; position: absolute; pointer-events: none;
  width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,170,.08) 0%, transparent 65%);
  bottom: -120px; right: 5%;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 40px; position: relative; z-index: 1;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: "Manrope", sans-serif;
  font-size: clamp(2.8rem, 5vw, 4.5rem); font-weight: 900; line-height: 1;
  background: linear-gradient(135deg, #FF6B35, #FFBA8A);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  filter: drop-shadow(0 0 20px rgba(255,107,53,.3));
  letter-spacing: -.03em;
}
.stat-suffix { font-size: .52em; vertical-align: super; }
.stat-lbl { color: rgba(255,255,255,.4); font-size: 15px; margin-top: 12px; font-weight: 500; }
.stat-bar {
  width: 36px; height: 2px; margin: 10px auto 0;
  background: linear-gradient(90deg, transparent, #FF6B35, transparent);
  border-radius: 1px;
}

/* ════════════════════
   PRICING (Comparison Cards)
════════════════════ */
#pricing { background: var(--bg2); }

/* Free trial banner */
.trial-banner {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  background: linear-gradient(135deg, rgba(255,107,53,.06), rgba(0,212,170,.05));
  border: 1px solid rgba(255,107,53,.18);
  border-radius: 20px;
  padding: 22px 32px;
  max-width: 900px; margin: 0 auto 56px;
}
.trial-icon {
  width: 46px; height: 46px; border-radius: 13px;
  background: rgba(255,107,53,.1); border: 1px solid rgba(255,107,53,.2);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.trial-copy { flex: 1; min-width: 180px; }
.trial-copy strong { display: block; font-size: 16px; font-weight: 700; color: var(--heading); margin-bottom: 2px; }
.trial-copy span   { font-size: 14px; color: var(--muted); }
.trial-cta {
  display: inline-flex; align-items: center;
  padding: 11px 24px; border-radius: 999px;
  background: #FF6B35; color: #fff;
  font-size: 14px; font-weight: 700; white-space: nowrap;
  box-shadow: 0 4px 16px rgba(255,107,53,.38);
  transition: box-shadow .3s, transform .2s;
}
.trial-cta:hover { box-shadow: var(--glow-orange); transform: translateY(-1px); }

/* Plans grid */
.plans-compare {
  display: grid;
  grid-template-columns: 1fr 1.18fr;
  gap: 20px;
  max-width: 900px; margin: 0 auto;
  align-items: center;
}

/* Base card */
.plan-card {
  border-radius: 24px; padding: 36px 28px;
  position: relative; overflow: hidden;
  transition: transform .45s cubic-bezier(.23,1,.32,1), box-shadow .4s;
}
.plan-basic {
  background: var(--card-bg);
  border: 1.5px solid var(--card-border);
  box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 12px rgba(0,0,0,.08), 0 12px 32px rgba(0,0,0,.08);
}
.plan-basic:hover {
  transform: translateY(-8px);
  box-shadow: 0 2px 4px rgba(0,0,0,.05), 0 8px 24px rgba(0,0,0,.12), 0 20px 48px rgba(0,0,0,.10);
}
.plan-pro {
  background: #0A1628;
  border: 1.5px solid rgba(212,160,23,.32);
  box-shadow: 0 1px 2px rgba(0,0,0,.14), 0 8px 24px rgba(212,160,23,.12), 0 16px 48px rgba(255,107,53,.12),
              inset 0 0 100px rgba(255,107,53,.04);
  animation: goldGlow 4.5s ease-in-out infinite;
  overflow: visible;
}
.plan-pro::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, #D4A017 30%, #FFD700 50%, #D4A017 70%, transparent);
}
.plan-pro:hover { transform: translateY(-10px) scale(1.015); }

@keyframes goldGlow {
  0%,100% { box-shadow: 0 1px 2px rgba(0,0,0,.14), 0 8px 24px rgba(212,160,23,.12), 0 16px 48px rgba(255,107,53,.12); }
  50%      { box-shadow: 0 1px 2px rgba(0,0,0,.14), 0 8px 24px rgba(212,160,23,.24), 0 24px 64px rgba(255,107,53,.22), 0 0 0 1px rgba(212,160,23,.38), 0 0 80px rgba(255,165,0,.08); }
}

/* Star badge */
.plan-star-badge {
  position: absolute; top: -15px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, #C8960A, #FFD700, #FFA500);
  color: #0A1628; font-size: 11px; font-weight: 900; letter-spacing: .08em;
  padding: 6px 22px; border-radius: 999px; white-space: nowrap;
  box-shadow: 0 4px 16px rgba(212,160,23,.5), 0 0 0 1px rgba(212,160,23,.2);
}

/* Typography */
.plan-label {
  font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 18px;
}
.plan-pro .plan-label { color: rgba(255,255,255,.38); }
.plan-price-row { display: flex; align-items: baseline; gap: 3px; margin-bottom: 6px; }
.plan-currency { font-family:"Space Grotesk",sans-serif; font-size:17px; font-weight:600; color:#FF6B35; }
.plan-currency-gold { color: #D4A017; }
.plan-amount { font-family:"Manrope",sans-serif; font-size:3.6rem; font-weight:900; color:var(--heading); letter-spacing:-.04em; line-height:1; }
.plan-amount-light { color: #fff; }
.plan-per { font-size:15px; color:var(--muted); margin-left:5px; }
.plan-per-dim { color: rgba(255,255,255,.35); }
.plan-annual { font-size:13px; color:var(--muted); margin-bottom:28px; }
.plan-annual-gold { color: rgba(212,160,23,.7); }

/* Divider */
.plan-divider { height:1px; background:var(--card-border); margin-bottom:28px; }
.plan-divider-gold { background: linear-gradient(90deg, transparent, rgba(212,160,23,.45), transparent); }

/* Feature list */
.plan-list { list-style:none; display:flex; flex-direction:column; gap:14px; margin-bottom:36px; }
.plan-list li { display:flex; align-items:center; gap:11px; font-size:15px; color:var(--body); }
.plan-list-dark li { color: rgba(255,255,255,.68); }

/* Check icons */
.chk {
  flex-shrink:0; width:22px; height:22px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:11px; font-weight:900; line-height:1;
}
.chk-mint { background:rgba(0,212,170,.14); color:#00D4AA; border:1px solid rgba(0,212,170,.28); }
.chk-gold { background:rgba(212,160,23,.2);  color:#D4A017; border:1px solid rgba(212,160,23,.35); }
.chk-off  { background:transparent; color:var(--muted); border:1px solid var(--card-border); opacity:.55; }

/* Plan buttons */
.plan-btn {
  width:100%; padding:16px; border-radius:14px;
  font-size:16px; font-weight:700; border:none;
  cursor:pointer !important;
  transition: transform .2s, box-shadow .3s, border-color .3s, color .3s, background .3s;
}
.plan-btn-basic {
  background:transparent; border:1.5px solid var(--card-border); color:var(--heading);
}
.plan-btn-basic:hover { border-color:#FF6B35; color:#FF6B35; background:rgba(255,107,53,.04); transform:translateY(-1px); }
.plan-btn-pro {
  background: linear-gradient(135deg, #C8960A, #FFD700 50%, #E8A000);
  color: #0A1628;
  box-shadow: 0 4px 16px rgba(212,160,23,.44);
}
.plan-btn-pro:hover { box-shadow: 0 8px 32px rgba(212,160,23,.65); transform: translateY(-2px); }

/* ── Pricing v2 — 3-plan grid ── */
.plans-triple {
  display: grid; grid-template-columns: 0.9fr 1fr 1.06fr;
  gap: 16px; max-width: 1100px; margin: 0 auto;
  align-items: end;
}
.plan-eyebrow { font-size: 14px; color: var(--muted); margin-bottom: 20px; font-weight: 500; }
.plan-pro .plan-eyebrow { color: rgba(255,255,255,.42); }
.plan-free {
  background: var(--bg2); border: 1.5px solid var(--card-border);
  box-shadow: 0 1px 4px rgba(0,0,0,.04);
}
.plan-free .plan-label { color: var(--muted); }
.plan-free .plan-currency { color: var(--muted); }
.plan-free .plan-amount { font-size: 2.8rem; }
.plan-basic-border {
  border-color: rgba(255,107,53,.3) !important;
  box-shadow: 0 4px 16px rgba(255,107,53,.08), 0 12px 32px rgba(0,0,0,.08) !important;
}
.plan-divider-orange { background: linear-gradient(90deg, transparent, rgba(255,107,53,.45), transparent); }
.plan-btn-free {
  background: transparent; border: 1.5px solid var(--card-border); color: var(--body);
}
.plan-btn-free:hover { border-color: var(--heading); color: var(--heading); }
.plan-btn-orange {
  background: #FF6B35; color: #fff;
  box-shadow: 0 4px 16px rgba(255,107,53,.38);
}
.plan-btn-orange:hover { box-shadow: 0 8px 28px rgba(255,107,53,.55); transform: translateY(-2px); }

/* ── Contact Section ── */
#contact { background: var(--dark); padding: 112px 6%; }
.contact-layout {
  display: grid; grid-template-columns: 1fr 1.3fr;
  gap: 80px; align-items: start; max-width: 1200px; margin: 0 auto;
}
.contact-info .section-title { color: #fff; margin-bottom: 20px; }
.contact-info .section-eyebrow { color: #FF6B35; }
.contact-info .section-sub { color: rgba(255,255,255,.55); margin-bottom: 44px; max-width: 380px; }
.contact-items { display: flex; flex-direction: column; gap: 22px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: rgba(255,107,53,.12); display: flex; align-items: center;
  justify-content: center; font-size: 18px; flex-shrink: 0;
}
.contact-item-label {
  font-size: 11px; color: rgba(255,255,255,.35); font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; margin-bottom: 4px;
}
.contact-item a, .contact-item span { font-size: 15px; color: rgba(255,255,255,.72); }
.contact-item a:hover { color: #FF6B35; }
.contact-form-wrap {
  background: rgba(255,255,255,.04); backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.1); border-radius: var(--r-l); padding: 44px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 13px; font-weight: 600; color: rgba(255,255,255,.62); }
.req { color: #FF6B35; }
.form-group input, .form-group select, .form-group textarea {
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-m); padding: 14px 18px;
  color: rgba(255,255,255,.9); font-size: 15px;
  font-family: "Noto Sans TC", sans-serif;
  transition: border-color .25s, background .25s; outline: none;
  appearance: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,.26); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: rgba(255,107,53,.5); background: rgba(255,255,255,.1);
}
.form-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,.4)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 44px; }
.form-group select option { background: #0F1E38; }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-checkboxes { display: flex; flex-wrap: wrap; gap: 10px; }
.checkbox-item { display: flex; align-items: center; gap: 8px; cursor: pointer !important; padding: 8px 14px; min-height: 44px; border: 1px solid rgba(255,255,255,.12); border-radius: var(--r-s); transition: border-color .2s, background .2s; user-select: none; }
.checkbox-item:hover { border-color: rgba(255,107,53,.35); background: rgba(255,107,53,.06); }
.checkbox-item input[type="checkbox"] { accent-color: #FF6B35; width: 16px; height: 16px; flex-shrink: 0; cursor: pointer; pointer-events: auto; }
.checkbox-item.is-checked { border-color: #FF6B35; background: rgba(255,107,53,.10); }
.checkbox-item.is-checked span { color: #fff; }
.checkbox-item span { font-size: 13px; color: rgba(255,255,255,.7); }
.form-submit {
  background: #FF6B35; color: #fff; padding: 15px 32px;
  border-radius: 999px; border: none; font-size: 15px; font-weight: 700;
  cursor: pointer !important; box-shadow: 0 6px 24px rgba(255,107,53,.4);
  transition: transform .2s, box-shadow .2s; align-self: flex-start;
}
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(255,107,53,.55); }
.form-submit:disabled { opacity: .65; pointer-events: none; }
.form-success, .form-error { text-align: center; padding: 60px 20px; }
.form-success-icon { font-size: 52px; margin-bottom: 20px; }
.form-success h3, .form-error h3 { font-size: 1.4rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
.form-success p, .form-error p { color: rgba(255,255,255,.55); font-size: 15px; }
.form-error p a { color: #FF6B35; text-decoration: underline; }

/* ════════════════════
   FAQ
════════════════════ */
#faq { background: var(--bg); }
.faq-wrap { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--card-border); overflow: hidden; }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0; cursor: pointer; gap: 16px;
  font-size: 1rem; font-weight: 600; color: var(--heading);
  user-select: none; transition: color .2s;
}
.faq-q:hover { color: #FF6B35; }
.faq-arrow {
  width: 24px; height: 24px; border-radius: 50%; border: 1.5px solid currentColor;
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-size: 12px; transition: transform .28s, color .2s;
}
.faq-item.open .faq-arrow { transform: rotate(45deg); color: #FF6B35; }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .38s ease, padding .3s ease;
  font-size: 15px; line-height: 1.8; color: var(--body);
}
.faq-a-inner { padding-bottom: 20px; }
.faq-item.open .faq-a { max-height: 260px; }

/* ════════════════════
   PROCESS
════════════════════ */
#process { background: var(--dark); }
#process .section-title { color: #fff; }
#process .section-sub   { color: rgba(255,255,255,.5); }
#process .section-eyebrow { color: rgba(255,107,53,.8); }
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.proc-step {
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-l); padding: 40px 32px;
  position: relative; overflow: hidden;
  transition: background .35s, border-color .35s, transform .4s cubic-bezier(.23,1,.32,1);
}
.proc-step::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 0%, rgba(255,107,53,.08) 0%, transparent 60%);
  opacity: 0; transition: opacity .35s;
}
.proc-step:hover { background: rgba(255,255,255,.07); border-color: rgba(255,107,53,.28); transform: translateY(-8px); }
.proc-step:hover::before { opacity: 1; }
.proc-num {
  font-family: "Manrope", sans-serif; font-size: 4rem; font-weight: 900; line-height: 1;
  background: linear-gradient(135deg, #FF6B35, rgba(255,186,138,.4));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 16px; display: block;
}
.proc-icon { font-size: 32px; margin-bottom: 16px; }
.proc-step h3 { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.proc-step p  { font-size: 16px; color: rgba(255,255,255,.45); line-height: 1.8; }

/* ════════════════════
   CTA
════════════════════ */
#cta {
  background: var(--dark); padding: 100px 6%;
  text-align: center; position: relative; overflow: hidden;
}
#cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(255,107,53,.1) 0%, transparent 65%);
  pointer-events: none;
}
.cta-glow {
  position: absolute; width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,53,.14) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  animation: ctaGlowPulse 4.5s ease-in-out infinite;
}
#cta .section-title { color: #fff; position: relative; z-index: 1; }
#cta .section-sub   { color: rgba(255,255,255,.5); margin: 0 auto 44px; position: relative; z-index: 1; }
#cta .section-eyebrow { color: rgba(255,107,53,.7); }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* ════════════════════
   FOOTER
════════════════════ */
footer {
  background: var(--dark2); padding: 64px 6% 32px;
  border-top: 1px solid rgba(255,255,255,.04);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; padding-bottom: 52px;
  border-bottom: 1px solid rgba(255,255,255,.05); margin-bottom: 36px;
}
.footer-brand p { color: rgba(255,255,255,.3); font-size: 14px; line-height: 1.8; margin-top: 14px; max-width: 240px; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.social-btn {
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09);
  display: flex; align-items: center; justify-content: center; font-size: 17px;
  cursor: pointer; transition: background .25s, border-color .25s, transform .25s;
}
.social-btn:hover { background: rgba(255,107,53,.18); border-color: rgba(255,107,53,.32); transform: translateY(-3px); }
.footer-col h4 { color: rgba(255,255,255,.4); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 18px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul a { color: rgba(255,255,255,.3); font-size: 14px; transition: color .25s; }
.footer-col ul a:hover { color: #FF6B35; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { color: rgba(255,255,255,.18); font-size: 12px; }
.footer-bottom a { color: rgba(255,255,255,.28); font-size: 12px; transition: color .25s; }
.footer-bottom a:hover { color: #FF6B35; }
footer::after {
  content: ""; display: block; margin-top: 32px; height: 2px;
  background: linear-gradient(90deg, transparent, #FF6B35, #00D4AA, transparent);
  border-radius: 1px; opacity: .4;
}

/* ── Back to top ── */
#back-top {
  position: fixed; bottom: 88px; right: 32px; width: 46px; height: 46px; border-radius: 50%;
  background: #FF6B35; color: #fff; border: none; cursor: pointer !important;
  display: flex; align-items: center; justify-content: center; font-size: 18px;
  box-shadow: 0 4px 20px rgba(255,107,53,.4);
  opacity: 0; pointer-events: none; z-index: 100;
  transition: opacity .3s, transform .3s, box-shadow .3s;
}
#back-top.show { opacity: 1; pointer-events: auto; }
#back-top:hover { transform: translateY(-4px) scale(1.06); box-shadow: var(--glow-orange); }

/* ── Cookie Consent Banner ── */
.cookie-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.28);
  z-index: 8800; opacity: 0; pointer-events: none;
  transition: opacity .4s ease;
}
.cookie-overlay.show { opacity: 1; pointer-events: auto; }
.cookie-banner {
  position: fixed; bottom: -200px; left: 50%;
  transform: translateX(-50%);
  width: min(780px, calc(100% - 40px)); z-index: 8900;
  background: rgba(10,22,40,.96);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,.10); border-radius: 20px;
  padding: 28px 32px;
  box-shadow: 0 -4px 24px rgba(0,0,0,.15), 0 8px 40px rgba(0,0,0,.35);
  transition: bottom .7s cubic-bezier(0.16,1,0.3,1), opacity .4s ease;
}
.cookie-banner.show { bottom: 28px; }
.cookie-inner {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.cookie-icon { font-size: 28px; flex-shrink: 0; }
.cookie-body { flex: 1; min-width: 200px; }
.cookie-title { display: block; font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.cookie-desc  { font-size: 13px; color: rgba(255,255,255,.58); line-height: 1.6; margin: 0; }
.cookie-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; flex-wrap: wrap; }
.cookie-accept {
  background: #FF6B35; color: #fff; padding: 10px 22px; border-radius: 999px;
  border: none; font-size: 13px; font-weight: 700; cursor: pointer !important;
  box-shadow: 0 4px 16px rgba(255,107,53,.4);
  transition: transform .2s, box-shadow .2s;
}
.cookie-accept:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(255,107,53,.55); }
.cookie-essential {
  background: transparent; color: rgba(255,255,255,.78);
  border: 1.5px solid rgba(255,255,255,.22) !important;
  padding: 10px 22px; border-radius: 999px;
  font-size: 13px; font-weight: 600; cursor: pointer !important;
  transition: border-color .2s, color .2s;
}
.cookie-essential:hover { border-color: rgba(255,255,255,.5) !important; color: #fff; }
.cookie-settings { font-size: 12px; color: rgba(255,255,255,.35); white-space: nowrap; transition: color .2s; }
.cookie-settings:hover { color: rgba(255,255,255,.65); }

/* ════════════════════
   RESPONSIVE
════════════════════ */
@media (max-width: 1024px) {
  .hero-inner         { grid-template-columns: 1fr; text-align: center; }
  .hero-illustration  { display: none; }
  .hero-sub      { max-width: 100%; }
  .hero-actions  { justify-content: center; }
  .hero-stats    { justify-content: center; }
  .pain-layout   { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feat-card.large { grid-column: span 2; }
  .stats-grid    { grid-template-columns: repeat(2, 1fr); }
  .plans-compare { grid-template-columns: 1fr; max-width: 100%; padding: 0 4px; }
  .plan-card { padding: 28px 20px !important; }
  .plan-amount { font-size: 2.8rem !important; }
  .plans-triple  { grid-template-columns: 1fr; max-width: 480px; }
  .plan-pro      { margin-top: 40px; }
  .process-grid  { grid-template-columns: 1fr 1fr; }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
  .footer-brand  { grid-column: 1 / -1; }
}
@media (max-width: 1024px) {
  .contact-layout { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  nav ul, .nav-actions { display: none; }
  .hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .feat-card.large { grid-column: span 1; }
  .feat-card p { font-size: 15px; }
  .trial-banner { flex-direction: column; align-items: flex-start; padding: 20px 22px; }
  .plan-card { padding: 36px 28px; }
  .stats-grid    { grid-template-columns: 1fr 1fr; gap: 32px; }
  .process-grid  { grid-template-columns: 1fr; }
  .footer-grid   { grid-template-columns: 1fr; }
  section { padding: 80px 5%; }
  .pricing-tabs  { flex-wrap: wrap; }
  body { font-size: 15px; }
  .proc-step p, .faq-a { font-size: 15px; }
  .pc-list li { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

/* ── Reveal alias (simple pattern) ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── Font size overrides ── */
body     { font-size: clamp(15px, 1.5vw, 18px) !important; }
h1, .hero-title    { font-size: clamp(48px, 6vw, 84px) !important; }
h2, .section-title { font-size: clamp(30px, 3.6vw, 52px) !important; }
h3                 { font-size: clamp(20px, 2vw, 28px) !important; }
p                  { font-size: clamp(15px, 1.5vw, 18px) !important; }
nav ul a, .nav-link { font-size: 16px !important; }
.btn-primary, .btn-ghost, .btn-mint, .btn-outline-white, .plan-btn { font-size: 16px !important; }

/* ════════════════════════════════════════
   MOBILE RWD (≤ 768px)
   聯絡表單、Hero、方案卡、頁尾全面修復
════════════════════════════════════════ */
@media (max-width: 768px) {

  /* ── Navbar ── */
  #navbar { padding: 14px 5%; }
  nav ul, .nav-login { display: none; }
  .hamburger { display: flex; }

  /* ── Mobile menu ── */
  #mobile-menu {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 80px 24px 40px;
    justify-content: flex-start;
    align-items: center;
    gap: 0;
  }
  #mobile-menu > a {
    font-size: 20px !important;
    padding: 14px 0;
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,.06);
  }
  #mobile-menu > a:last-child { border-bottom: none; }
  .mob-services-section {
    width: 100%;
    margin: 8px 0;
    border-top: 1px solid rgba(255,255,255,.08);
    border-bottom: 1px solid rgba(255,255,255,.08);
    padding: 12px 0;
  }
  .mob-services-label {
    font-size: 11px; font-weight: 700; letter-spacing: .14em;
    text-transform: uppercase; color: rgba(255,255,255,.3);
    text-align: center; margin-bottom: 12px;
  }
  .mob-services-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
  }
  .mob-service-link {
    display: flex; align-items: center; gap: 8px;
    padding: 11px 14px; border-radius: 12px;
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.08);
    font-size: 13px !important; font-weight: 600;
    letter-spacing: 0.01em;
    color: rgba(255,255,255,.9) !important;
    text-shadow: 0 1px 3px rgba(0,0,0,.3);
    transition: background .2s, border-color .2s, color .2s;
    cursor: pointer !important;
  }
  .mob-service-link:hover {
    background: rgba(255,107,53,.12);
    border-color: rgba(255,107,53,.3);
    color: #FF6B35 !important;
  }
  .mob-cta {
    margin-top: 16px !important;
    width: 85% !important;
    text-align: center;
    padding: 16px 44px !important;
    font-size: 16px !important;
    border-bottom: none !important;
  }

  /* ── Sections ── */
  section { padding: 72px 5%; }
  #hero   { padding: 120px 5% 64px; }
  #stats  { padding: 72px 5%; }
  #contact { padding: 72px 5%; }
  #cta    { padding: 72px 5%; }
  #process { padding: 72px 5%; }
  footer  { padding: 56px 5% 28px; }

  /* ── Hero ── */
  h1, .hero-title { font-size: clamp(36px, 9vw, 52px) !important; }
  .hero-sub { font-size: 1rem !important; }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    width: 100%;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-ghost {
    width: 100%;
    justify-content: center;
    padding: 16px 24px;
    min-height: 52px;
  }
  .hero-stats { gap: 28px; justify-content: center; }
  .hstat-val  { font-size: 1.7rem; }

  /* ── Pain section ── */
  .chat-bubble { max-width: 88%; font-size: 13px; }

  /* ── Features ── */
  .features-grid { grid-template-columns: 1fr; }
  .feat-card.large { grid-column: span 1; }
  .feat-card { padding: 28px 24px; }
  .section-head { margin-bottom: 48px; }

  /* ── Stats ── */
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 28px; }
  .stat-num { font-size: clamp(2.2rem, 7vw, 3rem) !important; }

  /* ── Pricing ── */
  .plans-triple, .plans-compare {
    grid-template-columns: 1fr;
    max-width: 100%;
    padding: 0;
  }
  .plan-card { padding: 36px 24px; }
  .plan-amount { font-size: 2.8rem !important; }
  .plan-star-badge { font-size: 10px; padding: 4px 16px; }
  .plan-pro { margin-top: 32px; }
  .plan-btn { min-height: 52px; font-size: 16px !important; }

  /* ── FAQ ── */
  .faq-wrap { padding: 0; }
  .faq-q { font-size: 0.95rem; padding: 20px 0; gap: 12px; }

  /* ── Process ── */
  .process-grid { grid-template-columns: 1fr; }
  .proc-step { padding: 32px 24px; }

  /* ── CTA ── */
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 0 5%;
  }
  .cta-actions .btn-primary,
  .cta-actions .btn-outline-white {
    width: 100%;
    justify-content: center;
    min-height: 52px;
  }

  /* ── Contact section ── */
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-info .section-sub { max-width: 100%; }
  .contact-form-wrap { padding: 28px 20px; }

  /* 聯絡表單核心修復 */
  .form-row {
    grid-template-columns: 1fr;   /* 單欄 */
    gap: 16px;
  }
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px !important;   /* 防止 iOS 自動縮放 */
    min-height: 48px;
    padding: 13px 16px;
    border-radius: 12px;
  }
  .form-group textarea { min-height: 110px; }
  .form-checkboxes { gap: 8px; }
  .checkbox-item { padding: 10px 12px; }
  .form-submit {
    width: 100%;
    align-self: unset;
    min-height: 52px;
    font-size: 16px !important;
    justify-content: center;
    border-radius: 999px;
    padding: 16px 24px;
  }

  /* ── Footer ── */
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-brand { grid-column: unset; }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
  }
  .footer-bottom > div { justify-content: center; }

  /* ── Cookie banner ── */
  .cookie-banner { padding: 20px 20px; }
  .cookie-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
  .cookie-actions { width: 100%; }
  .cookie-accept, .cookie-essential { flex: 1; min-height: 44px; justify-content: center; text-align: center; }
}

/* ════════════════════════════════════════
   MOBILE SMALL (≤ 480px)
════════════════════════════════════════ */
@media (max-width: 480px) {
  section { padding: 60px 16px; }
  #hero   { padding: 108px 16px 56px; }
  #stats, #contact, #cta, #process { padding: 60px 16px; }
  footer  { padding: 48px 16px 24px; }

  h1, .hero-title { font-size: clamp(32px, 8.5vw, 44px) !important; }
  h2, .section-title { font-size: clamp(24px, 6.5vw, 34px) !important; }

  .contact-form-wrap { padding: 24px 16px; }
  .form-group input,
  .form-group select,
  .form-group textarea { font-size: 16px !important; min-height: 48px; }

  /* 避免文字超出螢幕 */
  .section-title { word-break: break-word; overflow-wrap: anywhere; }
  .hero-title    { word-break: break-word; overflow-wrap: anywhere; }
  p, li          { overflow-wrap: break-word; }

  /* Pain chat bubbles */
  .chat-bubble { max-width: 92%; }
  .pain-item   { gap: 12px; }
  .pain-item-icon { width: 36px; height: 36px; font-size: 17px; }

  /* Stats */
  .stat-num { font-size: 2rem !important; }

  /* Features */
  .feat-card { padding: 24px 20px; }
  .feat-icon { width: 50px; height: 50px; font-size: 22px; }

  /* Plan card tighter */
  .plan-card { padding: 32px 18px; }
  .plan-amount { font-size: 2.4rem !important; }

  /* Process */
  .proc-step { padding: 28px 20px; }
  .proc-num  { font-size: 3rem; }

  /* Mobile service grid: single column on very small */
  .mob-services-grid { grid-template-columns: 1fr; }
  .mob-service-link { justify-content: center; }

  /* Back to top & theme toggle move closer to edge */
  #back-top     { right: 16px; bottom: 72px; }
  #theme-toggle { right: 16px; bottom: 24px; }
}