/* =====================================================
   洋田系統科技 — Official Site Styles
   ===================================================== */

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

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans-zh);
  color: var(--color-fg-primary);
  background: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { display: block; max-width: 100%; }

/* Density variants — set via [data-density] on body */
body[data-density="loose"]   { --density-pad: 1.25; }
body[data-density="default"] { --density-pad: 1; }
body[data-density="tight"]   { --density-pad: 0.78; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }
.container-narrow { max-width: 960px; margin: 0 auto; padding: 0 32px; }

/* ── NAV ── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow 200ms;
}
.nav.scrolled { box-shadow: 0 2px 18px rgba(0,174,204,0.08); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo img { height: 34px; }
.nav-links { display: flex; gap: 6px; list-style: none; }
.nav-links a {
  display: block;
  font-size: 14px; font-weight: 500;
  color: var(--color-fg-secondary);
  letter-spacing: 0.06em;
  padding: 8px 14px;
  border-radius: 4px;
  transition: color 150ms, background 150ms;
}
.nav-links a:hover { color: var(--color-brand-primary); background: var(--color-neutral-50); }
.nav-links a.active { color: var(--color-brand-primary); }
.nav-links a.active::after {
  content: ''; display: block; height: 2px; width: 18px;
  background: var(--color-brand-primary); margin: 4px auto -10px;
}
.nav-cta {
  background: var(--color-brand-primary); color: #fff;
  padding: 10px 20px; border-radius: 4px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.08em;
  transition: background 150ms, transform 150ms;
}
.nav-cta:hover { background: var(--color-brand-primary-dark); }
.nav-cta:active { transform: scale(0.97); }

/* ── PAGES ── */
.page { display: none; animation: fadein 350ms ease; }
.page.active { display: block; }
@keyframes fadein {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── HERO ── */
.hero {
  position: relative; overflow: hidden;
  background: var(--color-brand-primary);
  color: #fff;
  min-height: 600px;
  display: flex; align-items: center;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(60deg, rgba(255,255,255,0.10) 1px, transparent 1px),
    linear-gradient(120deg, rgba(255,255,255,0.10) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}
body[data-grid="off"] .hero-grid-bg { display: none; }
.hero-glow {
  position: absolute; pointer-events: none;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.18), transparent 70%);
  border-radius: 50%;
  right: -100px; top: -200px;
}
.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 64px; align-items: center;
  width: 100%; max-width: 1240px;
  margin: 0 auto; padding: 88px 32px 96px;
}
.hero-content {}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.13);
  padding: 7px 14px; border-radius: 100px;
  margin-bottom: 26px;
  backdrop-filter: blur(4px);
}
.hero-eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #6FE7FF; box-shadow: 0 0 0 4px rgba(111,231,255,0.25);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.hero-title {
  font-size: clamp(40px, 5.6vw, 64px);
  font-weight: 900; line-height: 1.12; letter-spacing: 0.04em;
  margin-bottom: 24px;
}
.hero-title .accent {
  display: inline-block;
  background: linear-gradient(180deg, #fff 0%, #B6F0FB 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: 17px; line-height: 1.75; letter-spacing: 0.05em;
  opacity: 0.92; margin-bottom: 36px;
  max-width: 540px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px; border-radius: 5px;
  font-size: 14px; font-weight: 700; letter-spacing: 0.08em;
  font-family: inherit;
  transition: all 180ms ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-white { background: #fff; color: var(--color-brand-primary); }
.btn-white:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.22); transform: translateY(-1px); }
.btn-outline-light {
  background: transparent; color: #fff;
  border: 1.5px solid rgba(255,255,255,0.55);
}
.btn-outline-light:hover { background: rgba(255,255,255,0.10); border-color: #fff; }
.btn-brand { background: var(--color-brand-primary); color: #fff; }
.btn-brand:hover { background: var(--color-brand-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-ghost { color: var(--color-brand-primary); padding: 12px 0; }
.btn-ghost:hover { gap: 12px; }
.btn-arrow svg { width: 14px; height: 14px; transition: transform 180ms; }
.btn:hover .btn-arrow { transform: translateX(2px); }

.hero-meta {
  margin-top: 40px;
  display: flex; gap: 28px; flex-wrap: wrap;
  font-size: 12px; letter-spacing: 0.12em;
  opacity: 0.8;
}
.hero-meta-item { display: flex; align-items: center; gap: 8px; }
.hero-meta-item svg { width: 14px; height: 14px; }

/* ── HERO VISUAL: API flow ── */
.hero-visual {
  position: relative; height: 460px;
}
.api-board {
  position: absolute; inset: 0;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 12px;
  overflow: hidden;
  backdrop-filter: blur(6px);
}
.api-board-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.10);
}
.api-board-dots { display: flex; gap: 6px; }
.api-board-dots span { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.30); }
.api-board-title {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em; opacity: 0.7;
}
.api-flow {
  position: relative;
  padding: 28px 24px;
  height: calc(100% - 50px);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  align-items: center;
}
.api-node {
  position: relative;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 8px;
  padding: 14px 12px;
  text-align: center;
  z-index: 2;
}
.api-node-icon {
  width: 36px; height: 36px;
  margin: 0 auto 8px;
  background: rgba(255,255,255,0.16);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
}
.api-node-icon svg { width: 20px; height: 20px; stroke: #fff; fill: none; stroke-width: 1.5; }
.api-node-name { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; margin-bottom: 4px; }
.api-node-meta {
  font-family: var(--font-mono);
  font-size: 9px; letter-spacing: 0.05em; opacity: 0.65;
}
.api-node.center {
  background: rgba(255,255,255,0.95);
  color: var(--color-brand-deep);
  border-color: rgba(255,255,255,0.95);
  box-shadow: 0 12px 36px rgba(0,0,0,0.22);
  transform: scale(1.06);
}
.api-node.center .api-node-icon { background: var(--color-brand-primary); }
.api-node.center .api-node-icon svg { stroke: #fff; }
.api-node.center .api-node-meta { color: var(--color-brand-primary-dark); opacity: 0.85; }

.api-flow-svg { position: absolute; inset: 0; pointer-events: none; }
.api-flow-svg .wire {
  fill: none; stroke: rgba(255,255,255,0.38); stroke-width: 1.5;
  stroke-dasharray: 6 4;
  animation: dash 1.6s linear infinite;
}
@keyframes dash { to { stroke-dashoffset: -20; } }

.api-log {
  position: absolute;
  left: 24px; right: 24px; bottom: 18px;
  background: rgba(0,0,0,0.32);
  border-radius: 6px;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 10.5px; line-height: 1.7;
  color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.10);
  height: 78px; overflow: hidden;
}
.api-log .ln-status { color: #6FE7FF; }
.api-log .ln-warn { color: #FFD66B; }
.api-log .ln-method { color: #B6F0FB; font-weight: 700; }

/* ── SECTIONS ── */
.section {
  padding: calc(96px * var(--density-pad)) 0;
}
.section-tight { padding: calc(72px * var(--density-pad)) 0; }
.section-alt { background: var(--color-neutral-50); }
.section-dark {
  background: var(--color-neutral-900); color: rgba(255,255,255,0.86);
}
.section-brand {
  background: var(--color-brand-primary); color: #fff;
  position: relative; overflow: hidden;
}
.section-brand .grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(60deg, rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(120deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}
body[data-grid="off"] .section-brand .grid-bg { display: none; }

.section-header { text-align: center; margin-bottom: 56px; max-width: 680px; margin-left: auto; margin-right: auto; padding: 0 32px; }
.section-header.left { text-align: left; margin-left: 0; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700;
  color: var(--color-brand-primary);
  letter-spacing: 0.22em; text-transform: uppercase;
  margin-bottom: 14px;
}
.section-eyebrow::before {
  content: ''; width: 18px; height: 2px;
  background: var(--color-brand-primary);
}
.section-eyebrow.center::before, .section-eyebrow.center::after {
  content: ''; width: 18px; height: 2px;
  background: var(--color-brand-primary);
}
.section-header.left .section-eyebrow::before { display: inline-block; }
.section-header.left .section-eyebrow::after { display: none; }
.section-title {
  font-size: 38px; font-weight: 700;
  color: var(--color-fg-primary);
  letter-spacing: 0.04em; line-height: 1.25;
  margin-bottom: 16px;
}
.section-dark .section-title { color: #fff; }
.section-brand .section-title { color: #fff; }
.section-brand .section-eyebrow { color: rgba(255,255,255,0.85); }
.section-brand .section-eyebrow::before, .section-brand .section-eyebrow::after { background: rgba(255,255,255,0.85); }
.section-sub {
  font-size: 16px; color: var(--color-fg-secondary);
  line-height: 1.8; letter-spacing: 0.05em;
}
.section-dark .section-sub { color: rgba(255,255,255,0.72); }
.section-brand .section-sub { color: rgba(255,255,255,0.85); }

/* ── LOGO STRIP ── */
.logo-strip {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding: 32px 0;
  background: #fff;
}
.logo-strip-inner {
  display: flex; align-items: center; gap: 32px;
  max-width: 1240px; margin: 0 auto; padding: 0 32px;
}
.logo-strip-label {
  font-size: 11px; font-weight: 600;
  color: var(--color-fg-muted); letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
  padding-right: 32px; border-right: 1px solid var(--color-divider);
}
.logo-strip-track {
  display: flex; gap: 56px; flex-wrap: wrap;
  flex: 1;
}
.logo-strip-item {
  font-size: 16px; font-weight: 700;
  color: var(--color-fg-muted);
  letter-spacing: 0.06em;
  display: flex; align-items: center; gap: 8px;
  opacity: 0.7;
  transition: opacity 200ms;
}
.logo-strip-item:hover { opacity: 1; color: var(--color-fg-secondary); }
.logo-strip-item .lsi-mark {
  width: 28px; height: 28px;
  background: var(--color-neutral-100);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: var(--color-brand-primary);
  font-weight: 800;
}

/* ── SERVICES ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1180px; margin: 0 auto;
  padding: 0 32px;
}
.service-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 28px 26px;
  transition: all 220ms ease;
  cursor: pointer;
  overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; left: 0; top: 0; height: 3px; width: 0;
  background: var(--color-brand-primary);
  transition: width 280ms ease;
}
.service-card:hover {
  border-color: var(--color-brand-primary);
  box-shadow: 0 12px 28px rgba(0,174,204,0.16);
  transform: translateY(-3px);
}
.service-card:hover::before { width: 100%; }
.service-card-icon {
  width: 48px; height: 48px;
  background: var(--color-neutral-50);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  transition: background 220ms;
}
.service-card:hover .service-card-icon { background: var(--color-brand-primary); }
.service-card-icon svg { width: 24px; height: 24px; stroke: var(--color-brand-primary); fill: none; stroke-width: 1.5; transition: stroke 220ms; }
.service-card:hover .service-card-icon svg { stroke: #fff; }
.service-card-name {
  font-size: 18px; font-weight: 700;
  color: var(--color-fg-primary);
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.service-card-en {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.06em;
  color: var(--color-fg-muted);
  margin-bottom: 14px;
  text-transform: uppercase;
}
.service-card-desc {
  font-size: 14px;
  color: var(--color-fg-secondary);
  line-height: 1.75; letter-spacing: 0.04em;
}
.service-card-tags {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-top: 18px;
}
.service-tag {
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: 0.04em;
  padding: 3px 8px;
  background: var(--color-neutral-50);
  color: var(--color-fg-secondary);
  border-radius: 3px;
}

.services-grid.focus-grid { grid-template-columns: repeat(4, 1fr); }

/* ── PROCESS ── */
.process {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  max-width: 1180px; margin: 0 auto;
  padding: 0 32px;
  position: relative;
}
.process-step {
  position: relative;
  padding: 0 18px;
  text-align: left;
}
.process-step::before {
  content: '';
  position: absolute;
  left: 18px; right: -14px;
  top: 23px;
  height: 2px;
  background: var(--color-divider);
  z-index: 0;
}
.process-step:last-child::before { display: none; }
.process-step.done::before { background: var(--color-brand-primary); }
.process-step .step-num {
  position: relative; z-index: 1;
  width: 46px; height: 46px;
  background: #fff;
  border: 2px solid var(--color-divider);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 14px; font-weight: 700;
  color: var(--color-fg-muted);
  margin-bottom: 18px;
  transition: all 220ms;
}
.process-step.done .step-num,
.process-step:hover .step-num {
  background: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
  color: #fff;
}
.process-step .step-name {
  font-size: 15px; font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.process-step .step-desc {
  font-size: 13px;
  color: var(--color-fg-secondary);
  line-height: 1.7; letter-spacing: 0.03em;
}

/* ── TECH STACK ── */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: 1180px; margin: 0 auto;
  padding: 0 32px;
}
.tech-category {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 8px;
  padding: 22px;
  transition: all 200ms;
}
.tech-category:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.22);
}
.tech-cat-title {
  font-size: 11px; letter-spacing: 0.18em;
  font-weight: 700;
  color: #6FE7FF;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.tech-cat-title::before {
  content: ''; width: 8px; height: 8px;
  background: #6FE7FF; border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(111,231,255,0.18);
}
.tech-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.tech-list li {
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(255,255,255,0.86);
  letter-spacing: 0.02em;
  display: flex; align-items: center; gap: 10px;
}
.tech-list li::before {
  content: '›'; color: #6FE7FF; font-weight: 700; font-family: monospace;
}

/* ── STATS BIG ── */
.stats-big {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  max-width: 1180px; margin: 0 auto;
  padding: 0 32px;
  position: relative; z-index: 2;
}
.stat-big {
  padding: 0 24px;
  border-left: 1px solid rgba(255,255,255,0.16);
}
.stat-big:first-child { border-left: none; padding-left: 0; }
.stat-big-value {
  font-size: 56px; font-weight: 900;
  letter-spacing: 0.02em;
  color: #fff;
  line-height: 1;
  margin-bottom: 8px;
  display: flex; align-items: baseline; gap: 4px;
}
.stat-big-value .unit { font-size: 30px; opacity: 0.8; }
.stat-big-label {
  font-size: 13px; letter-spacing: 0.14em;
  color: rgba(255,255,255,0.78);
  margin-bottom: 6px;
}
.stat-big-desc {
  font-size: 12px; color: rgba(255,255,255,0.56);
  line-height: 1.5; letter-spacing: 0.04em;
}

/* ── CASES ── */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1180px; margin: 0 auto;
  padding: 0 32px;
}
.case-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: all 220ms ease;
  cursor: pointer;
}
.case-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-brand-primary);
  box-shadow: 0 16px 36px rgba(0,174,204,0.18);
}
.case-card-thumb {
  height: 180px;
  background: var(--color-brand-primary);
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.case-card-thumb::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(60deg, rgba(255,255,255,0.10) 1px, transparent 1px),
    linear-gradient(120deg, rgba(255,255,255,0.10) 1px, transparent 1px);
  background-size: 36px 36px;
}
.case-card-thumb.t-2 { background: var(--color-brand-primary-dark); }
.case-card-thumb.t-3 { background: var(--color-brand-deep); }
.case-card-thumb-content {
  position: relative; z-index: 1;
  text-align: center; color: #fff;
}
.case-card-thumb svg { width: 56px; height: 56px; stroke: #fff; fill: none; stroke-width: 1.4; opacity: 0.9; }
.case-card-thumb .t-label {
  font-family: var(--font-mono);
  font-size: 10.5px; letter-spacing: 0.18em;
  margin-top: 12px; opacity: 0.85;
  text-transform: uppercase;
}
.case-card-body { padding: 22px 24px 26px; }
.case-card-tag {
  display: inline-block;
  font-size: 11px; font-weight: 600; letter-spacing: 0.12em;
  color: var(--color-brand-primary);
  background: var(--color-neutral-100);
  padding: 3px 9px; border-radius: 3px;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.case-card-title {
  font-size: 17px; font-weight: 700;
  color: var(--color-fg-primary);
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin-bottom: 10px;
}
.case-card-desc {
  font-size: 13px; color: var(--color-fg-secondary);
  line-height: 1.7; letter-spacing: 0.03em;
  margin-bottom: 14px;
}
.case-card-meta {
  display: flex; gap: 16px;
  font-family: var(--font-mono);
  font-size: 11px; color: var(--color-fg-muted);
  letter-spacing: 0.04em;
  padding-top: 14px;
  border-top: 1px dashed var(--color-divider);
}
.case-card-meta span { display: flex; align-items: center; gap: 6px; }

/* ── WEBSITE PLANS ── */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  max-width: 1240px; margin: 0 auto;
  padding: 0 32px;
  align-items: stretch;
}
.plan-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px 20px;
  display: flex; flex-direction: column;
  transition: all 220ms ease;
}
.plan-card:hover { box-shadow: 0 12px 28px rgba(0,174,204,0.14); transform: translateY(-3px); }
.plan-card.featured {
  border-color: var(--color-brand-primary);
  box-shadow: 0 12px 32px rgba(0,174,204,0.20);
}
.plan-badge {
  position: absolute; top: -12px; left: 20px;
  background: var(--color-brand-primary); color: #fff;
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  padding: 4px 12px; border-radius: 100px;
}
.plan-name {
  font-size: 17px; font-weight: 700;
  color: var(--color-fg-primary);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.plan-tag {
  font-size: 12.5px; font-weight: 600;
  color: var(--color-brand-primary);
  letter-spacing: 0.03em;
  line-height: 1.5;
  margin-bottom: 4px;
}
.plan-sub {
  font-family: var(--font-mono);
  font-size: 10.5px; color: var(--color-fg-muted);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--color-divider);
}
.plan-items { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.plan-items li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 12.5px; color: var(--color-fg-secondary);
  line-height: 1.5; letter-spacing: 0.02em;
}
.plan-items li svg { flex-shrink: 0; margin-top: 2px; stroke: var(--color-brand-primary); }

/* ── WHY US ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1180px; margin: 0 auto;
  padding: 0 32px;
}
.why-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 26px 24px;
  transition: all 220ms ease;
}
.why-card:hover {
  border-color: var(--color-brand-primary);
  box-shadow: 0 12px 28px rgba(0,174,204,0.14);
  transform: translateY(-3px);
}
.why-card-icon {
  width: 44px; height: 44px;
  background: var(--color-neutral-50);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.why-card-icon svg { stroke: var(--color-brand-primary); }
.why-card-name {
  font-size: 16px; font-weight: 700;
  color: var(--color-fg-primary);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.why-card-desc {
  font-size: 13.5px; color: var(--color-fg-secondary);
  line-height: 1.75; letter-spacing: 0.03em;
}

/* ── FAQ ── */
.faq-wrap {
  max-width: 800px; margin: 0 auto;
  padding: 0 32px;
}
.faq-item {
  border-bottom: 1px solid var(--color-divider);
  cursor: pointer;
}
.faq-item:first-child { border-top: 1px solid var(--color-divider); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0;
  font-size: 16px; font-weight: 600;
  color: var(--color-fg-primary);
  letter-spacing: 0.05em;
  transition: color 180ms;
}
.faq-q:hover { color: var(--color-brand-primary); }
.faq-icon {
  width: 28px; height: 28px;
  border-radius: 4px;
  background: var(--color-neutral-50);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 220ms;
  position: relative;
}
.faq-icon::before, .faq-icon::after {
  content: ''; position: absolute;
  background: var(--color-brand-primary);
  transition: transform 220ms;
}
.faq-icon::before { width: 12px; height: 1.5px; }
.faq-icon::after { width: 1.5px; height: 12px; }
.faq-item.open .faq-icon { background: var(--color-brand-primary); }
.faq-item.open .faq-icon::before, .faq-item.open .faq-icon::after { background: #fff; }
.faq-item.open .faq-icon::after { transform: rotate(90deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 320ms ease;
}
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner {
  padding: 0 0 22px;
  font-size: 14px; color: var(--color-fg-secondary);
  line-height: 1.8; letter-spacing: 0.04em;
}

/* ── CTA BANNER ── */
.cta-banner {
  background: var(--color-neutral-900);
  position: relative; overflow: hidden;
  padding: 72px 32px;
}
.cta-banner-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(60deg, rgba(0,174,204,0.16) 1px, transparent 1px),
    linear-gradient(120deg, rgba(0,174,204,0.16) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.5;
}
body[data-grid="off"] .cta-banner-grid { display: none; }
.cta-banner-inner {
  position: relative; z-index: 2;
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 32px; flex-wrap: wrap;
}
.cta-banner-text { flex: 1; min-width: 280px; }
.cta-banner-eyebrow {
  font-size: 11px; font-weight: 600; letter-spacing: 0.22em;
  color: var(--color-brand-primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.cta-banner h2 {
  font-size: 32px; font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  line-height: 1.3;
  margin-bottom: 10px;
}
.cta-banner p {
  font-size: 14px; color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
  line-height: 1.7;
}

/* ── ABOUT ── */
.about-hero {
  padding: 80px 0 40px;
}
.about-hero-inner {
  max-width: 1100px; margin: 0 auto;
  padding: 0 32px;
}
.about-hero h1 {
  font-size: 56px; font-weight: 900;
  letter-spacing: 0.04em; line-height: 1.15;
  margin-bottom: 20px;
  max-width: 800px;
}
.about-hero h1 .accent { color: var(--color-brand-primary); }
.about-hero-lead {
  font-size: 18px; color: var(--color-fg-secondary);
  line-height: 1.8; letter-spacing: 0.05em;
  max-width: 720px;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px; align-items: start;
  max-width: 1100px; margin: 0 auto;
  padding: 0 32px;
}
.about-img-card {
  background: var(--color-brand-primary);
  border-radius: 10px;
  height: 420px;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.about-img-card::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(60deg, rgba(255,255,255,0.10) 1px, transparent 1px),
    linear-gradient(120deg, rgba(255,255,255,0.10) 1px, transparent 1px);
  background-size: 40px 40px;
}
.about-img-card .square-mark {
  position: relative; z-index: 1;
  width: 200px; height: 200px;
  background: rgba(255,255,255,0.94);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 24px 60px rgba(0,0,0,0.18);
}
.about-img-card .square-mark img { width: 86%; height: auto; }
.about-text h3 {
  font-size: 26px; font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  color: var(--color-fg-primary);
}
.about-text p {
  font-size: 15px; color: var(--color-fg-secondary);
  line-height: 1.85; letter-spacing: 0.05em;
  margin-bottom: 14px;
}
.value-list { display: flex; flex-direction: column; gap: 14px; margin-top: 28px; }
.value-item { display: flex; gap: 14px; align-items: flex-start; }
.value-icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: var(--color-brand-primary);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
}
.value-icon svg { width: 16px; height: 16px; stroke: #fff; fill: none; stroke-width: 2; }
.value-name { font-size: 14px; font-weight: 700; letter-spacing: 0.06em; margin-bottom: 4px; }
.value-desc { font-size: 13px; color: var(--color-fg-secondary); line-height: 1.65; letter-spacing: 0.04em; }

/* ── CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  max-width: 1100px; margin: 0 auto;
  padding: 0 32px;
}
.contact-info {
  background: var(--color-neutral-900);
  color: #fff;
  border-radius: 10px;
  padding: 40px 36px;
  position: relative; overflow: hidden;
}
.contact-info::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(60deg, rgba(0,174,204,0.20) 1px, transparent 1px),
    linear-gradient(120deg, rgba(0,174,204,0.20) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.6;
}
.contact-info > * { position: relative; z-index: 1; }
.contact-info h3 {
  font-size: 22px; font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  margin-bottom: 8px;
}
.contact-info-sub {
  font-size: 13px;
  color: rgba(255,255,255,0.72);
  letter-spacing: 0.05em;
  line-height: 1.7;
  margin-bottom: 32px;
}
.contact-info-list { display: flex; flex-direction: column; gap: 22px; }
.contact-info-row { display: flex; gap: 14px; align-items: flex-start; }
.contact-info-icon {
  flex-shrink: 0;
  width: 38px; height: 38px;
  background: rgba(0,174,204,0.20);
  border: 1px solid rgba(0,174,204,0.35);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
}
.contact-info-icon svg { width: 18px; height: 18px; stroke: #6FE7FF; fill: none; stroke-width: 1.5; }
.contact-info-label {
  font-size: 11px; font-weight: 600; letter-spacing: 0.16em;
  color: #6FE7FF; text-transform: uppercase;
  margin-bottom: 5px;
}
.contact-info-value { font-size: 14px; line-height: 1.55; letter-spacing: 0.05em; }

.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 36px 36px 32px;
}
.contact-form h3 {
  font-size: 22px; font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.contact-form-sub {
  font-size: 13px; color: var(--color-fg-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 28px;
  line-height: 1.6;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-label {
  font-size: 12px; font-weight: 600;
  color: var(--color-fg-primary);
  letter-spacing: 0.08em;
}
.form-label .req { color: var(--color-error); margin-left: 3px; }
.form-input, .form-select, .form-textarea {
  font-family: inherit;
  font-size: 14px;
  color: var(--color-fg-primary);
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: 4px;
  outline: none;
  background: #fff;
  letter-spacing: 0.04em;
  transition: border-color 150ms, box-shadow 150ms;
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 3px rgba(0,174,204,0.14);
}
.form-textarea { height: 120px; resize: vertical; }
.form-checkboxes {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 14px;
  margin-top: 8px;
}
.form-check {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--color-fg-secondary); letter-spacing: 0.04em;
  cursor: pointer; user-select: none;
}
.form-check input { display: none; }
.form-check-box {
  width: 18px; height: 18px;
  border: 1.5px solid var(--color-border);
  border-radius: 3px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 150ms;
}
.form-check input:checked ~ .form-check-box {
  background: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
}
.form-check input:checked ~ .form-check-box svg { display: block; }
.form-check-box svg { width: 11px; height: 11px; stroke: #fff; fill: none; stroke-width: 2.5; display: none; }
.form-submit {
  background: var(--color-brand-primary); color: #fff;
  padding: 13px 28px; border-radius: 4px;
  font-size: 14px; font-weight: 700; letter-spacing: 0.1em;
  transition: all 180ms;
  margin-top: 18px;
  display: inline-flex; align-items: center; gap: 10px;
}
.form-submit:hover { background: var(--color-brand-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.form-success {
  margin-top: 14px;
  padding: 12px 16px;
  background: #E6F7EE; border: 1px solid #B7E2C9; border-radius: 4px;
  color: #137A47; font-size: 13px; letter-spacing: 0.04em;
  display: none;
}
.form-success.show { display: block; }

/* ── FOOTER ── */
.footer {
  background: var(--color-neutral-900);
  color: rgba(255,255,255,0.65);
  padding: 64px 0 28px;
}
.footer-inner {
  max-width: 1240px; margin: 0 auto;
  padding: 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
}
.footer-brand img { height: 46px; background: #fff; padding: 6px 10px; border-radius: 6px; margin-bottom: 18px; }
.footer-brand p {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
  line-height: 1.75;
  max-width: 320px;
  margin-bottom: 18px;
}
.footer-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.06em;
  line-height: 1.8;
}
.footer h4 {
  font-size: 12px; font-weight: 700;
  color: #fff;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: 13px; color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
  transition: color 150ms;
}
.footer-links a:hover { color: #fff; }
.footer-bottom {
  padding-top: 24px;
  display: flex; justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.06em;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── REVEAL ON SCROLL ── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 600ms ease, transform 600ms ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .services-grid, .why-grid { grid-template-columns: 1fr 1fr; }
  .services-grid.focus-grid { grid-template-columns: 1fr 1fr; }
  .plans-grid { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .stats-big { grid-template-columns: 1fr 1fr; gap: 32px 0; }
  .process { grid-template-columns: 1fr 1fr; gap: 32px; }
  .process-step::before { display: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .services-grid, .why-grid, .tech-grid { grid-template-columns: 1fr; }
  .services-grid.focus-grid { grid-template-columns: 1fr; }
  .plans-grid { grid-template-columns: 1fr; }
  .stats-big { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .container { padding: 0 20px; }
  .hero-inner { padding: 60px 20px; }
  .section-title { font-size: 30px; }
  .about-hero h1 { font-size: 38px; }
}