/* ═══════════════════════════════════════════
   FlashWMS — Shared Design System
   Tech Blue Theme + Trilingual Support
═══════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Blues */
  --blue:        #1558D0;
  --blue-light:  #3B82F6;
  --blue-dark:   #0E43AD;
  --blue-dim:    rgba(21,88,208,0.08);
  --blue-border: rgba(21,88,208,0.18);
  --blue-glow:   rgba(21,88,208,0.28);
  --cyan:        #38BDF8;
  --cyan-dim:    rgba(56,189,248,0.10);
  /* Dark backgrounds */
  --dark:        #0C1222;
  --dark-mid:    #111827;
  --dark-card:   #1E2A3D;
  --dark-border: rgba(255,255,255,0.07);
  /* Light */
  --white:       #ffffff;
  --gray-50:     #f8fafc;
  --gray-100:    #f1f5f9;
  --gray-200:    #e2e8f0;
  --gray-400:    #94a3b8;
  --gray-500:    #64748b;
  --gray-600:    #475569;
  --text:        #0f172a;
  --text-muted:  #64748b;
  /* Radii & shadows */
  --r:    12px;
  --r-lg: 20px;
  --shadow:    0 4px 24px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 40px rgba(0,0,0,0.14);
  --shadow-blue: 0 8px 30px rgba(21,88,208,0.25);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── MULTILINGUAL ── */
/* Only hide non-active languages; active elements keep their natural display value */
body[data-lang="en"] .lang-zh,
body[data-lang="en"] .lang-th,
body[data-lang="zh"] .lang-en,
body[data-lang="zh"] .lang-th,
body[data-lang="th"] .lang-en,
body[data-lang="th"] .lang-zh { display: none; }
/* Fallback: if body has no data-lang yet, show only zh (matches default) */
body:not([data-lang]) .lang-en,
body:not([data-lang]) .lang-th { display: none; }

/* ── NAVBAR ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(6,15,30,0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--dark-border);
  transition: box-shadow 0.3s;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  height: 68px; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; position: relative;
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.nav-logo-mark {
  width: 30px; height: 30px; background: var(--blue); border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
}
.nav-logo-mark svg { width: 17px; height: 17px; fill: white; }
.nav-logo-name { font-size: 15px; font-weight: 700; color: white; letter-spacing: -0.3px; }
.nav-logo-name span { color: var(--cyan); }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a {
  font-size: 14px; font-weight: 500; color: rgba(255,255,255,0.65);
  text-decoration: none; transition: color 0.2s; white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { color: white; }
.nav-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* Language switcher */
.lang-switcher {
  display: flex; align-items: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 8px; overflow: hidden;
}
.lang-btn {
  font-size: 12px; font-weight: 600; color: rgba(255,255,255,0.5);
  background: none; border: none; cursor: pointer;
  padding: 5px 10px; transition: all 0.2s; letter-spacing: 0.3px;
}
.lang-btn:hover { color: white; }
.lang-btn.active { background: var(--blue); color: white; }

.btn-ghost {
  font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.75);
  text-decoration: none; padding: 7px 14px; border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.12); transition: all 0.2s; white-space: nowrap;
}
.btn-ghost:hover { background: rgba(255,255,255,0.07); color: white; }
.btn-primary-sm {
  font-size: 13px; font-weight: 600; color: white;
  background: var(--blue); text-decoration: none;
  padding: 7px 16px; border-radius: 8px; transition: all 0.2s; white-space: nowrap;
}
.btn-primary-sm:hover { background: var(--blue-light); transform: translateY(-1px); box-shadow: var(--shadow-blue); }

/* ── HERO ── */
.hero {
  min-height: 100vh; background: var(--dark);
  display: flex; align-items: center; justify-content: center;
  padding: 120px 24px 80px; position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% -10%, rgba(21,88,208,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 80% 80%, rgba(56,189,248,0.06) 0%, transparent 60%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(27,108,248,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27,108,248,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content { position: relative; z-index: 1; max-width: 860px; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue-dim); border: 1px solid var(--blue-border);
  color: var(--cyan); font-size: 12px; font-weight: 600;
  padding: 6px 16px; border-radius: 100px; margin-bottom: 28px; letter-spacing: 0.5px;
}
.badge-dot {
  width: 6px; height: 6px; background: var(--cyan); border-radius: 50%;
  animation: blink 2s infinite;
}
@keyframes blink { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.7)} }
.hero h1 {
  font-size: clamp(34px, 5.5vw, 60px); font-weight: 800; color: white;
  line-height: 1.1; letter-spacing: -1.5px; margin-bottom: 24px;
}
.hero h1 .hl { color: var(--blue-light); }
.hero-sub {
  font-size: clamp(15px, 1.8vw, 17px); color: rgba(255,255,255,0.60);
  max-width: 640px; margin: 0 auto 12px; line-height: 1.75;
}
.hero-sub strong { color: rgba(255,255,255,0.88); font-weight: 500; }
.hero-trust {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; margin: 28px 0 32px;
}
.trust-item {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.65);
}
.trust-item svg { width: 15px; height: 15px; flex-shrink: 0; color: var(--cyan); }
.hero-ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 16px; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue); color: white; font-size: 15px; font-weight: 600;
  padding: 13px 26px; border-radius: 10px; text-decoration: none;
  transition: all 0.2s; box-shadow: 0 4px 20px rgba(27,108,248,0.4);
}
.btn-primary:hover { background: var(--blue-light); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(27,108,248,0.5); }
.btn-outline-white {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.05); color: rgba(255,255,255,0.88);
  font-size: 15px; font-weight: 600; padding: 13px 26px; border-radius: 10px;
  text-decoration: none; border: 1px solid rgba(255,255,255,0.14); transition: all 0.2s;
}
.btn-outline-white:hover { background: rgba(255,255,255,0.09); transform: translateY(-2px); }
.hero-countries { font-size: 12px; color: rgba(255,255,255,0.28); letter-spacing: 0.5px; }
.hero-stats {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 1px; background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.06); border-radius: var(--r-lg);
  overflow: hidden; margin-top: 56px;
}
.hero-stat { background: rgba(6,15,30,0.8); padding: 28px 20px; text-align: center; }
.stat-num {
  font-size: 32px; font-weight: 800; color: white;
  line-height: 1; letter-spacing: -1px;
}
.stat-num span { color: var(--cyan); }
.stat-label { font-size: 12px; color: rgba(255,255,255,0.40); margin-top: 6px; line-height: 1.4; }

/* ── SECTIONS ── */
section { padding: 88px 24px; }
.container { max-width: 1200px; margin: 0 auto; }
.eyebrow {
  font-size: 11.5px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--blue); margin-bottom: 14px;
}
.eyebrow.light { color: var(--cyan); }
.section-h2 {
  font-size: clamp(26px, 3.5vw, 40px); font-weight: 800;
  line-height: 1.15; letter-spacing: -0.8px; margin-bottom: 18px; color: var(--dark);
}
.section-h2.white { color: white; }
.section-sub { font-size: 16.5px; color: var(--gray-600); max-width: 560px; line-height: 1.7; }
.section-sub.light { color: rgba(255,255,255,0.55); }
.sec-head { margin-bottom: 52px; }
.sec-head.center { text-align: center; }
.sec-head.center .section-sub { margin: 0 auto; }

/* DARK SECTION */
.sec-dark { background: #0F172A; }
.sec-dark .eyebrow { color: var(--cyan); }
.sec-mid { background: var(--dark-mid); }
.sec-light { background: var(--gray-50); border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200); }

/* ── CARDS ── */
.card-blue {
  background: var(--dark-card); border: 1px solid var(--blue-border);
  border-radius: var(--r); padding: 28px; transition: all 0.2s;
}
.card-blue:hover { border-color: rgba(21,88,208,0.50); background: #253552; transform: translateY(-2px); }
.card-white {
  background: white; border: 1px solid var(--gray-200);
  border-radius: var(--r); padding: 28px; transition: all 0.2s;
}
.card-white:hover { border-color: var(--blue-border); box-shadow: var(--shadow); transform: translateY(-2px); }
.card-tag { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--blue); margin-bottom: 10px; }
.card-tag.light { color: var(--cyan); }
.card-title-dark { font-size: 16px; font-weight: 700; color: white; margin-bottom: 8px; }
.card-title { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.card-body-dark { font-size: 13.5px; color: rgba(255,255,255,0.50); line-height: 1.65; }
.card-body-dark strong { color: rgba(255,255,255,0.80); font-weight: 500; }
.card-body { font-size: 13.5px; color: var(--gray-600); line-height: 1.65; }
.icon-box {
  width: 42px; height: 42px; background: var(--blue-dim); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px; font-size: 20px;
}
.icon-box.on-dark { background: rgba(27,108,248,0.15); }

/* ── GRIDS ── */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.grid-2-1 { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }

/* ── BUTTONS (page level) ── */
.btn-dark {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--dark); color: white; font-size: 15px; font-weight: 600;
  padding: 13px 26px; border-radius: 10px; text-decoration: none; transition: all 0.2s;
}
.btn-dark:hover { background: var(--dark-mid); transform: translateY(-2px); }
.btn-outline-blue {
  display: inline-flex; align-items: center; gap: 8px;
  background: white; color: var(--blue); font-size: 15px; font-weight: 600;
  padding: 13px 26px; border-radius: 10px; text-decoration: none;
  border: 1.5px solid var(--blue); transition: all 0.2s;
}
.btn-outline-blue:hover { background: var(--blue-dim); transform: translateY(-2px); }

/* ── FOOTER ── */
footer { background: var(--dark); color: rgba(255,255,255,0.5); padding: 60px 24px 32px; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand { font-size: 19px; font-weight: 700; color: white; margin-bottom: 12px; }
.footer-brand span { color: var(--cyan); }
.footer-desc { font-size: 13px; color: rgba(255,255,255,0.40); line-height: 1.8; margin-bottom: 18px; }
.footer-countries { font-size: 12px; color: rgba(255,255,255,0.25); line-height: 1.9; }
.footer-col-title { font-size: 12.5px; font-weight: 700; color: white; margin-bottom: 14px; letter-spacing: 0.2px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-col ul a { font-size: 13px; color: rgba(255,255,255,0.40); text-decoration: none; transition: color 0.2s; }
.footer-col ul a:hover { color: rgba(255,255,255,0.75); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
}
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.25); }
.footer-tag { font-size: 12px; color: rgba(27,108,248,0.40); }

/* ── SCROLL ANIM ── */
.fade-up { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.in { opacity: 1; transform: none; }

/* ── PROOF BOX ── */
.proof-box {
  background: var(--blue-dim); border: 1px solid var(--blue-border);
  border-radius: var(--r); padding: 16px 20px; margin-top: 20px;
  font-size: 13.5px; color: rgba(255,255,255,0.75); line-height: 1.6;
}
.proof-box strong { color: white; }
.proof-box.light { color: var(--gray-600); }
.proof-box.light strong { color: var(--dark); }

/* ── PAGE HERO (sub pages) ── */
.page-hero {
  background: var(--dark); padding: 140px 24px 72px; text-align: center;
  position: relative; overflow: hidden;
}
.page-hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(27,108,248,0.14) 0%, transparent 60%);
}
.page-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(27,108,248,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27,108,248,0.035) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-hero-content { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; }
.page-hero h1 {
  font-size: clamp(28px, 4vw, 48px); font-weight: 800; color: white;
  line-height: 1.12; letter-spacing: -1px; margin-bottom: 18px;
}
.page-hero-sub { font-size: 17px; color: rgba(255,255,255,0.55); line-height: 1.7; }

/* ── RESULT TABLE ── */
.result-table { width: 100%; border-collapse: collapse; margin-top: 20px; }
.result-table th {
  text-align: left; font-size: 11px; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; color: rgba(255,255,255,0.35); padding: 0 0 10px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.result-table td {
  padding: 10px 0; font-size: 14px; color: rgba(255,255,255,0.70);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.result-table td:first-child { color: rgba(255,255,255,0.40); font-size: 13px; }
.result-table td strong { color: white; font-weight: 700; }
.result-table.light th { color: var(--gray-400); border-bottom-color: var(--gray-200); }
.result-table.light td { color: var(--gray-600); border-bottom-color: var(--gray-100); }
.result-table.light td:first-child { color: var(--gray-400); }
.result-table.light td strong { color: var(--dark); }

/* ── QUOTE ── */
.blockquote {
  border-left: 3px solid var(--blue); padding: 14px 20px; margin: 24px 0;
  background: var(--blue-dim); border-radius: 0 var(--r) var(--r) 0;
}
.blockquote p { font-size: 15px; color: rgba(255,255,255,0.80); font-style: italic; line-height: 1.6; }
.blockquote cite { font-size: 12.5px; color: rgba(255,255,255,0.40); display: block; margin-top: 8px; font-style: normal; }
.blockquote.light p { color: var(--gray-600); }
.blockquote.light cite { color: var(--gray-400); }

/* ── FAQ ── */
.faq-item { border-bottom: 1px solid var(--gray-200); padding: 20px 0; }
.faq-q { font-size: 15px; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.faq-a { font-size: 14px; color: var(--gray-600); line-height: 1.7; }

/* ── FORM ── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
label { font-size: 13px; font-weight: 600; color: var(--dark); }
input, select, textarea {
  font-family: inherit; font-size: 14px; color: var(--dark);
  background: white; border: 1.5px solid var(--gray-200);
  border-radius: 8px; padding: 10px 14px; width: 100%; transition: border-color 0.2s;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--blue); }
textarea { resize: vertical; min-height: 110px; }
.btn-submit {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue); color: white; font-size: 15px; font-weight: 600;
  padding: 13px 28px; border-radius: 10px; border: none; cursor: pointer;
  transition: all 0.2s; box-shadow: 0 4px 16px rgba(27,108,248,0.35);
}
.btn-submit:hover { background: var(--blue-light); transform: translateY(-2px); }

/* ── MODULE STEP ── */
.method-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; position: relative; }
.method-row::before {
  content:''; position: absolute; top: 27px; left: calc(12.5% + 12px); right: calc(12.5% + 12px);
  height: 1px; background: linear-gradient(90deg, var(--blue), rgba(27,108,248,0.15));
}
.method-step { text-align: center; }
.step-num {
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--dark-mid); border: 2px solid var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; font-weight: 800; color: var(--blue);
  margin: 0 auto 18px; position: relative; z-index: 1;
}
.step-title { font-size: 15px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.step-desc { font-size: 13.5px; color: var(--gray-600); line-height: 1.6; }
.step-title.white { color: white; }
.step-desc.light { color: rgba(255,255,255,0.50); }

/* ── STAT CARD ── */
.stat-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--blue-border); border: 1px solid var(--blue-border); border-radius: var(--r-lg); overflow: hidden; }
.stat-card { background: var(--dark-card); padding: 28px 20px; text-align: center; }
.stat-big { font-size: 34px; font-weight: 800; color: white; letter-spacing: -1px; line-height: 1; }
.stat-big span { color: var(--cyan); }
.stat-lbl { font-size: 12px; color: rgba(255,255,255,0.38); margin-top: 6px; line-height: 1.4; }

/* ── BACKED CARD ── */
.backed-card {
  background: var(--dark); border: 1px solid var(--blue-border);
  border-radius: var(--r-lg); padding: 36px; position: relative; overflow: hidden;
}
.backed-card::before {
  content:''; position: absolute; top: -60px; right: -60px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(27,108,248,0.12), transparent 70%);
}
.backed-num-val { font-size: 28px; font-weight: 800; color: white; letter-spacing: -0.5px; line-height: 1; }
.backed-num-val span { color: var(--cyan); }
.backed-num-desc { font-size: 12px; color: rgba(255,255,255,0.40); margin-top: 4px; line-height: 1.4; }
.tag-pill {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--blue-dim); border: 1px solid var(--blue-border);
  color: var(--cyan); font-size: 12px; font-weight: 600;
  padding: 5px 12px; border-radius: 100px;
}

/* ── CONCLUSION BOX ── */
.conclusion {
  margin-top: 40px;
  background: rgba(27,108,248,0.06); border: 1px solid var(--blue-border);
  border-radius: var(--r); padding: 28px 36px; text-align: center;
}
.conclusion p { font-size: 17px; font-weight: 600; color: rgba(255,255,255,0.88); line-height: 1.7; }
.conclusion em { color: var(--cyan); font-style: normal; }
.conclusion.light p { color: var(--text); }
.conclusion.light em { color: var(--blue); font-style: normal; }


/* ── SEC-CTA (案例页等通用 CTA 区块) ── */
.sec-cta { background: #EBF3FF; text-align: center; padding: 72px 24px; }
.sec-cta-title { font-size: clamp(22px, 3vw, 32px); font-weight: 800; color: #0B1D3F; max-width: 640px; margin: 0 auto 16px; line-height: 1.3; }
.sec-cta-sub { font-size: 16px; color: var(--gray-600); max-width: 520px; margin: 0 auto 32px; line-height: 1.7; }

/* ── FINAL CTA SECTION ── */
.cta-section { background: #EBF3FF; text-align: center; padding: 88px 24px; }
.cta-section .eyebrow { color: var(--blue); opacity: 0.8; }
.cta-section .section-h2 { max-width: 680px; margin: 0 auto 14px; color: #0B1D3F; }
.cta-sub { font-size: 17px; color: var(--gray-600); max-width: 520px; margin: 0 auto 36px; line-height: 1.7; }
.cta-btns { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.cta-section .btn-primary { background: var(--blue); color: white; }
.cta-section .btn-primary:hover { background: var(--blue-dark); box-shadow: var(--shadow-blue); }
.cta-section .btn-dark { background: white; color: var(--text); border: 1.5px solid var(--blue-border); }
.cta-section .btn-dark:hover { background: var(--gray-50); box-shadow: var(--shadow); }

/* ── BLOG CARD ── */
.blog-card {
  background: white; border: 1px solid var(--gray-200);
  border-radius: var(--r); overflow: hidden; transition: all 0.2s;
  display: flex; flex-direction: column;
}
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--blue-border); }
.blog-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.blog-category {
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--blue); margin-bottom: 10px;
}
.blog-title { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 10px; line-height: 1.4; }
.blog-excerpt { font-size: 13.5px; color: var(--gray-600); line-height: 1.6; flex: 1; }
.blog-meta { margin-top: 16px; font-size: 12px; color: var(--gray-400); }
.blog-color-bar { height: 4px; background: linear-gradient(90deg, var(--blue), var(--cyan)); }

/* ── CONTACT OPTIONS ── */
.contact-options { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 48px; }
.contact-opt {
  background: var(--gray-50); border: 1.5px solid var(--gray-200);
  border-radius: var(--r-lg); padding: 32px;
}
.contact-opt.featured { background: var(--dark); border-color: var(--blue-border); }
.contact-opt-title { font-size: 19px; font-weight: 700; color: var(--dark); margin-bottom: 16px; }
.contact-opt.featured .contact-opt-title { color: white; }
.contact-opt ul { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.contact-opt ul li { font-size: 14px; color: var(--gray-600); display: flex; gap: 10px; }
.contact-opt ul li::before { content: '✓'; color: var(--blue); font-weight: 700; flex-shrink: 0; }
.contact-opt.featured ul li { color: rgba(255,255,255,0.60); }
.contact-opt.featured ul li::before { color: var(--cyan); }
.contact-note { font-size: 12.5px; color: var(--gray-400); margin-bottom: 20px; font-style: italic; }
.contact-opt.featured .contact-note { color: rgba(255,255,255,0.30); }

/* ── TRUST BAR ── */
.trust-bar { display: flex; flex-wrap: wrap; justify-content: center; gap: 28px; margin-top: 36px; }
.trust-bar-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--gray-600); font-weight: 500; }
.trust-bar-item::before { content: '✓'; color: var(--blue); font-weight: 700; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .grid-2-1 { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .method-row { grid-template-columns: 1fr 1fr; gap: 28px; }
  .method-row::before { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-options { grid-template-columns: 1fr; }
}
/* ── HAMBURGER MENU TOGGLE ── */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}
.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: rgba(255,255,255,0.75);
  border-radius: 2px;
  transition: background 0.2s;
}
.menu-toggle:hover span { background: white; }

@media (max-width: 640px) {
  section { padding: 56px 18px; }

  /* Hide desktop nav links, show hamburger */
  .nav-links { display: none !important; }
  .menu-toggle { display: flex !important; }

  /* Mobile dropdown menu */
  #nav-links-mobile {
    display: flex;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0 !important;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(6, 15, 30, 0.98);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding: 8px 0 16px;
    z-index: 99;
    /* Hidden by default */
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  #nav-links-mobile.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  #nav-links-mobile li { width: 100%; }
  #nav-links-mobile a {
    display: block;
    padding: 12px 24px;
    font-size: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }

  /* Stack footer */
  .footer-top { grid-template-columns: 1fr !important; gap: 28px; }

  /* Blog grid single column */
  .blog-grid { grid-template-columns: 1fr !important; }
  .blog-featured { flex-direction: column; }
}


/* ── SECTION UTILITY CLASSES ── */
.sec-light { background: #F4F6F9; }
.sec-white { background: #ffffff; }
.sec-border { border-top: 1px solid rgba(27,108,248,0.10); border-bottom: 1px solid rgba(27,108,248,0.10); }
.sec-compact { padding: 64px 0; }
.sec-dark { padding: 96px 0; text-align: center; }

/* ── WHATSAPP FLOAT BUTTON ── */
#wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.45);
  z-index: 999;
  transition: transform 0.2s, box-shadow 0.2s;
}
#wa-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37,211,102,0.6);
}
