/* ==========================================================================
   Virtual Warehouse — stylesheet
   Pure CSS3, no frameworks.
   ========================================================================== */

:root {
  --color-primary: #101828;
  --color-primary-soft: #1d2939;
  --color-blue: #2563eb;
  --color-blue-dark: #1d4ed8;
  --color-purple: #7c3aed;
  --color-bg: #f8fafc;
  --color-bg-alt: #eef1f6;
  --color-surface: #ffffff;
  --color-text: #1e293b;
  --color-text-muted: #56617a;
  --color-border: #e2e8f0;

  --gradient-brand: linear-gradient(135deg, var(--color-blue) 0%, var(--color-purple) 100%);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 24px 64px rgba(16, 24, 40, 0.14);

  --container-width: 1200px;
  --header-height: 76px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4, p {
  margin: 0;
}

button {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(37, 99, 235, 0.36);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-alt);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.16);
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-primary);
}

.logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--gradient-brand);
  position: relative;
  flex-shrink: 0;
}

.logo-mark::before,
.logo-mark::after {
  content: '';
  position: absolute;
  background: rgba(255, 255, 255, 0.85);
  border-radius: 2px;
}

.logo-mark::before {
  width: 14px;
  height: 3px;
  top: 11px;
  left: 10px;
}

.logo-mark::after {
  width: 8px;
  height: 3px;
  top: 20px;
  left: 10px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s ease, background 0.2s ease;
}

.main-nav a:hover,
.main-nav a[aria-current='page'] {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  position: relative;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle span::before {
  position: absolute;
  top: -6px;
}

.nav-toggle span::after {
  position: absolute;
  top: 6px;
}

.nav-toggle[aria-expanded='true'] span {
  background: transparent;
}

.nav-toggle[aria-expanded='true'] span::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded='true'] span::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 100px;
  overflow: hidden;
  position: relative;
  isolation: isolate;
  color: #fff;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  background: url('/images/photos/hero-bg.jpg') center / cover no-repeat;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 60% at 85% 0%, rgba(124, 58, 237, 0.35) 0%, rgba(124, 58, 237, 0) 70%),
    radial-gradient(50% 50% at 0% 20%, rgba(37, 99, 235, 0.3) 0%, rgba(37, 99, 235, 0) 70%),
    linear-gradient(160deg, rgba(6, 9, 20, 0.94) 0%, rgba(11, 15, 31, 0.88) 55%, rgba(30, 22, 51, 0.9) 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.25rem, 4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 24px;
}

.hero-lead {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 52ch;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-stats .stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
}

.hero-stats .stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.hero-visual .floating-card {
  position: absolute;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.hero-visual .floating-card .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

.hero-visual .card-top {
  top: -20px;
  left: -24px;
}

.hero-visual .card-bottom {
  bottom: -20px;
  right: -18px;
}

/* ---------- Sections ---------- */
.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-dark {
  background: var(--color-primary);
  color: #fff;
}

.section-header {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-header.align-left {
  margin-left: 0;
  text-align: left;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  letter-spacing: -0.01em;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-dark .section-header h2 {
  color: #fff;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.section-dark .section-header p {
  color: rgba(255, 255, 255, 0.72);
}

.page-hero {
  padding: 72px 0 56px;
  background: var(--color-primary);
  color: #fff;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.page-hero p {
  max-width: 620px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.05rem;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- Contact hero (fashion treatment) ---------- */
.contact-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #0b0f1f 0%, var(--color-primary) 55%, #241a3d 100%);
  padding: 96px 0 76px;
}

.contact-hero-glow {
  position: absolute;
  top: -140px;
  left: 50%;
  transform: translateX(-50%);
  width: 620px;
  height: 420px;
  background: var(--gradient-brand);
  opacity: 0.28;
  filter: blur(90px);
  pointer-events: none;
}

.contact-hero .container {
  position: relative;
  z-index: 1;
}

.eyebrow-light {
  color: #fff;
  opacity: 0.85;
}

.contact-title {
  font-family: 'Playfair Display', 'Inter', serif;
  font-weight: 700;
}

/* ---------- Feature cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--gradient-brand);
  margin-bottom: 20px;
  position: relative;
}

.feature-icon::before {
  content: '';
  position: absolute;
  inset: 14px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  border-radius: 4px;
}

.feature-card h3 {
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ---------- Timeline / How it works ---------- */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 6%;
  right: 6%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-purple));
  opacity: 0.25;
}

.timeline-step {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 22px;
}

.timeline-step .step-index {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.timeline-step h3 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.timeline-step p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* ---------- Solutions ---------- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.solution-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.solution-card img {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}

.solution-card h3 {
  color: var(--color-primary);
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.solution-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin-bottom: 16px;
}

.solution-card .benefits li {
  position: relative;
  padding-left: 22px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.solution-card .benefits li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-brand);
}

/* ---------- Detailed solution sections (solutions.html) ---------- */
.solution-detail {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 32px;
  padding: 44px 0;
  border-bottom: 1px solid var(--color-border);
}

.solution-detail:last-child {
  border-bottom: none;
}

.solution-detail .icon-wrap {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.solution-detail h2 {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.solution-detail > div p {
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.benefit-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 24px;
}

.benefit-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.95rem;
  color: var(--color-text);
}

.benefit-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-blue);
  font-weight: 700;
}

/* ---------- Feature detail sections (features.html) ---------- */
.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--color-border);
}

.feature-detail:last-child {
  border-bottom: none;
}

.feature-detail:nth-child(even) .feature-detail-visual {
  order: 2;
}

.feature-detail-visual {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  overflow: hidden;
}

.detail-img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* About page sections */
.about-intro {
  border-bottom: none !important;
  padding-top: 0 !important;
}

.about-section {
  max-width: 760px;
  margin: 64px auto 0;
}

.about-section + .about-section {
  margin-top: 48px;
}

.about-section h2,
.about-intro h2 {
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.about-section p {
  color: var(--color-text-muted);
}

.about-section--values {
  max-width: 900px;
  margin-top: 64px;
  text-align: center;
}

.about-section--values h2 {
  text-align: center;
  margin-bottom: 24px;
}

/* Contact info card headings */
.contact-info-card h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-primary);
}

.feature-detail-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: var(--gradient-brand);
}

.feature-detail h2 {
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.feature-detail p {
  color: var(--color-text-muted);
}

/* ---------- CTA ---------- */
.cta-section {
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 72px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 100% at 50% 0%, rgba(124, 58, 237, 0.35) 0%, rgba(124, 58, 237, 0) 70%);
}

.cta-section > * {
  position: relative;
}

.cta-section h2 {
  font-size: clamp(1.75rem, 3vw, 2.3rem);
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.72);
  max-width: 520px;
  margin: 0 auto 32px;
}

/* ---------- About page ---------- */
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
}

.value-card h3 {
  color: var(--color-primary);
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.value-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.about-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 28px;
  margin-top: 12px;
}

.about-list li {
  position: relative;
  padding-left: 24px;
  color: var(--color-text-muted);
}

.about-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-blue);
  font-weight: 700;
}

/* ---------- Contact page ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
}

.contact-info-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  padding-left: 68px;
  margin-bottom: 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.contact-info-card:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.contact-info-icon {
  position: absolute;
  left: 28px;
  top: 32px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.contact-info-note {
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
  padding: 18px 22px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.contact-info-card h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.contact-info-card p {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-form-wrap {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 44px;
  padding-top: 48px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.contact-form-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--gradient-brand);
}

.contact-type-field {
  margin-bottom: 26px;
}

.contact-type-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.contact-type-toggle {
  display: inline-flex;
  background: var(--color-bg-alt);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
}

.contact-type-toggle input[type='radio'] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.contact-type-toggle label {
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.contact-type-toggle input[type='radio']:checked + label {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.optional-tag {
  font-weight: 500;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.form-group.is-hidden {
  display: none;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.14);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.field-error {
  display: block;
  color: #dc2626;
  font-size: 0.82rem;
  margin-top: 6px;
  min-height: 1.1em;
}

.form-group.has-error input,
.form-group.has-error textarea {
  border-color: #dc2626;
}

.form-success {
  display: none;
  align-items: center;
  gap: 14px;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #047857;
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-weight: 600;
}

.form-success.visible {
  display: flex;
}

.form-success .check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #10b981;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.contact-form.hidden-form {
  display: none;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.9rem;
  max-width: 32ch;
  color: rgba(255, 255, 255, 0.55);
}

.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.footer-col li {
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: #fff;
}


.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Trust strip ---------- */
.trust-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 28px 0;
}

.trust-strip .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.trust-item .trust-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gradient-brand);
  flex-shrink: 0;
  position: relative;
}

.trust-item .trust-icon::before {
  content: '✓';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
}

/* ---------- Testimonials ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.testimonial-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 0.95rem;
  letter-spacing: 2px;
}

.testimonial-quote {
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.65;
  flex-grow: 1;
}

.testimonial-person {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.testimonial-person img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.testimonial-person .name {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.testimonial-person .role {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  position: relative;
  transition: transform 0.25s ease, background 0.25s ease;
}

.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-question .faq-icon::before {
  width: 10px;
  height: 2px;
}

.faq-question .faq-icon::after {
  width: 2px;
  height: 10px;
  transition: opacity 0.2s ease;
}

.faq-item[data-open='true'] .faq-icon {
  background: var(--gradient-brand);
  transform: rotate(180deg);
}

.faq-item[data-open='true'] .faq-icon::before,
.faq-item[data-open='true'] .faq-icon::after {
  background: #fff;
}

.faq-item[data-open='true'] .faq-icon::after {
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item[data-open='true'] .faq-answer {
  max-height: 320px;
}

.faq-answer p {
  padding: 0 24px 22px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1199px) {
  .card-grid,
  .timeline,
  .solutions-grid,
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline::before {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .solution-detail {
    grid-template-columns: 1fr;
  }

  .solution-detail .icon-wrap {
    width: 72px;
    height: 72px;
  }

  .feature-detail {
    grid-template-columns: 1fr;
  }

  .feature-detail:nth-child(even) .feature-detail-visual {
    order: 0;
  }

  .about-values {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  :root {
    --header-height: 68px;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    gap: 6px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

  .main-nav a {
    padding: 14px 16px;
    font-size: 1.05rem;
  }

  .header-actions .btn-primary {
    padding: 10px 18px;
    font-size: 0.85rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .card-grid,
  .timeline,
  .solutions-grid,
  .about-values,
  .form-row,
  .benefit-list,
  .about-list,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .trust-strip .container {
    gap: 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 56px 0 64px;
  }

  .section {
    padding: 64px 0;
  }

  .cta-section {
    padding: 48px 24px;
  }

  .hero-visual .floating-card {
    display: none;
  }
}

@media (min-width: 320px) and (max-width: 480px) {
  .container {
    padding: 0 18px;
  }
}