/* ============================================================
   InAppFlux — components (light theme)
   Header, footer, buttons, cards, forms, modals, etc.
   ============================================================ */

/* =====================================================
   HEADER
   ===================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--header-h);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid transparent;
  transition: background var(--t-med), border-color var(--t-med), box-shadow var(--t-med);
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--border-subtle);
  box-shadow: 0 2px 20px rgba(15,23,53,0.04);
}
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  transition: opacity var(--t-fast);
}
.brand:hover { color: var(--text-primary); opacity: 0.82; }
.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(45,91,255,0.20), 0 0 0 1px rgba(15,23,53,0.04);
  flex-shrink: 0;
  background: #FFFFFF;
}
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.brand-text { display: inline-flex; align-items: baseline; gap: 2px; }
.brand-text b { font-weight: 700; }
.brand-text .accent { color: var(--accent-teal); font-weight: 700; }

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.primary-nav a {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}
.primary-nav a:hover { color: var(--text-primary); }
.primary-nav a.active { color: var(--text-primary); }
.primary-nav a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 3px;
  background: #FFFFFF;
}
.lang-toggle button {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  letter-spacing: 0.04em;
  transition: background var(--t-fast), color var(--t-fast);
}
.lang-toggle button.active {
  background: var(--gradient-primary);
  color: white;
}
.lang-toggle button:hover:not(.active) { color: var(--text-primary); }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: #FFFFFF;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: transform var(--t-med), top var(--t-med), opacity var(--t-fast);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 24px; }
.nav-toggle.open span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

@media (max-width: 900px) {
  .primary-nav { display: none; }
  .nav-toggle { display: block; }
  .header-actions .btn-ghost.login-btn { display: none; }
  .lang-toggle button { padding: 4px 8px; font-size: 0.68rem; }

  .primary-nav.mobile-open {
    display: flex;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: 0 10px 30px rgba(15,23,53,0.06);
    padding: var(--space-4) var(--space-6) var(--space-6);
    gap: 0;
  }
  .primary-nav.mobile-open a {
    padding: 14px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-primary);
  }
  .primary-nav.mobile-open a:last-child { border-bottom: none; }
  .primary-nav.mobile-open a.active::after { display: none; }
  .primary-nav.mobile-open .mobile-login {
    margin-top: var(--space-4);
    padding: 12px 20px;
    text-align: center;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-strong) !important;
  }
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-med), background var(--t-med), color var(--t-med), border-color var(--t-med);
  white-space: nowrap;
  line-height: 1;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 18px; height: 18px; }

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 8px 24px rgba(45,91,255,0.28), 0 2px 6px rgba(45,91,255,0.16);
}
.btn-primary:hover {
  box-shadow: 0 14px 36px rgba(45,91,255,0.36), 0 0 0 1px rgba(255,255,255,0.15) inset;
  color: white;
}

.btn-ghost {
  background: #FFFFFF;
  color: var(--text-primary);
  border-color: var(--border-strong);
  box-shadow: 0 1px 2px rgba(15,23,53,0.03);
}
.btn-ghost:hover {
  background: var(--bg-soft);
  color: var(--text-primary);
  border-color: #B7C1D0;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn-outline:hover {
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}

.btn-sm { padding: 9px 16px; font-size: 0.85rem; }
.btn-lg { padding: 16px 28px; font-size: 1rem; }

.btn-arrow { position: relative; padding-right: 18px; }
.btn-arrow::after {
  content: '→';
  display: inline-block;
  transition: transform var(--t-fast);
}
.btn-arrow:hover::after { transform: translateX(3px); }

/* =====================================================
   GLASS / SURFACE CARD
   (no real glassmorphism on light — uses elevation instead)
   ===================================================== */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: border-color var(--t-med), background var(--t-med), transform var(--t-med), box-shadow var(--t-med);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.glass-card.glow::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0.9;
}

.icon-tile {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--gradient-subtle);
  border: 1px solid var(--border-subtle);
  margin-bottom: var(--space-5);
  color: var(--accent-teal);
}
.icon-tile svg { width: 22px; height: 22px; }

/* =====================================================
   STATS
   ===================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
@media (max-width: 780px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) { .stats-grid { grid-template-columns: 1fr; } }

.stat {
  padding: var(--space-8);
  background: #FFFFFF;
  text-align: left;
}
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  background: var(--gradient-accent-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
  line-height: 1.05;
}
.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--space-2);
  font-weight: 500;
}

/* =====================================================
   BADGE / PILL
   ===================================================== */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-teal);
  background: var(--accent-teal-soft);
  border: 1px solid rgba(14,141,115,0.24);
}
.pill::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-teal-bright);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-teal-bright);
  animation: pulse-dot 2.4s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.pill-neutral {
  color: var(--text-secondary);
  background: #FFFFFF;
  border-color: var(--border-subtle);
}
.pill-neutral::before { display: none; }

/* =====================================================
   FORMS
   ===================================================== */
.form-group { margin-bottom: var(--space-5); }
.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
  letter-spacing: 0.01em;
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border-strong);
  background: #FFFFFF;
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color var(--t-med), background var(--t-med), box-shadow var(--t-med);
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-blue);
  background: #FFFFFF;
  box-shadow: 0 0 0 4px rgba(45,91,255,0.12);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-muted); }
.form-textarea { min-height: 120px; resize: vertical; font-family: inherit; }

.form-error {
  border-color: var(--danger) !important;
  background: rgba(230,57,70,0.04) !important;
}
.form-error-msg {
  color: var(--danger);
  font-size: 0.78rem;
  margin-top: 6px;
  display: none;
}
.form-error-msg.visible { display: block; }

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%235A6477' d='M6 8L0 0h12z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 38px;
  cursor: pointer;
}
.form-select option { background: #FFFFFF; color: var(--text-primary); }

/* =====================================================
   MODAL
   ===================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 53, 0.48);
  backdrop-filter: blur(10px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  animation: fade-in 200ms ease;
}
.modal-backdrop.open { display: flex; }

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 100%;
  padding: var(--space-10) var(--space-8) var(--space-8);
  position: relative;
  box-shadow: 0 40px 80px rgba(15,23,53,0.25), 0 10px 20px rgba(15,23,53,0.10);
  animation: slide-up 300ms cubic-bezier(0.4,0,0.2,1);
  overflow: hidden;
}
@keyframes slide-up {
  from { opacity: 0; transform: translateY(24px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
}
.modal.error::before { background: linear-gradient(90deg, #E63946, #F59E0B); }
.modal.success::before { background: linear-gradient(90deg, #00B894, #2D5BFF); }

.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: background var(--t-fast), color var(--t-fast);
}
.modal-close:hover {
  background: var(--bg-soft);
  color: var(--text-primary);
}

.modal-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
}
.modal.error .modal-icon {
  background: rgba(230,57,70,0.08);
  border: 1px solid rgba(230,57,70,0.22);
  color: var(--danger);
}
.modal.success .modal-icon {
  background: rgba(0,166,130,0.08);
  border: 1px solid rgba(0,166,130,0.22);
  color: var(--success);
}
.modal-icon svg { width: 28px; height: 28px; }

.modal h3 { font-size: 1.4rem; margin-bottom: var(--space-3); }
.modal p { color: var(--text-secondary); font-size: 0.94rem; }

.modal-meta {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  display: grid;
  gap: 6px;
}
.modal-meta b { color: var(--text-secondary); font-weight: 500; margin-right: 8px; }

.modal-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

/* =====================================================
   FOOTER
   ===================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #F9FAFC;
  padding: var(--space-16) 0 var(--space-8) 0;
  margin-top: var(--space-24);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-about { max-width: 360px; }
.footer-about p { margin-top: var(--space-4); font-size: 0.9rem; }

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-col li a {
  font-size: 0.92rem;
  color: var(--text-secondary);
}
.footer-col li a:hover { color: var(--text-primary); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-social { display: flex; gap: var(--space-3); }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  background: #FFFFFF;
  transition: border-color var(--t-med), color var(--t-med), background var(--t-med);
}
.footer-social a:hover {
  border-color: var(--accent-teal);
  color: var(--accent-teal);
  background: var(--accent-teal-soft);
}
.footer-social svg { width: 16px; height: 16px; }

/* =====================================================
   MARQUEE / TICKER
   ===================================================== */
.marquee {
  overflow: hidden;
  position: relative;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: #FFFFFF;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: inline-flex;
  gap: var(--space-12);
  animation: marquee 38s linear infinite;
  white-space: nowrap;
  align-items: center;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.marquee-item b {
  color: var(--text-primary);
  font-weight: 600;
}
.marquee-item .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-teal-bright);
  box-shadow: 0 0 10px var(--accent-teal-bright);
}

/* =====================================================
   HERO
   ===================================================== */
.hero {
  padding-top: calc(var(--header-h) + var(--space-16));
  padding-bottom: var(--space-20);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: var(--space-10); } }

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-6);
}
.hero .lead { font-size: clamp(1.05rem, 1.4vw, 1.2rem); max-width: 560px; margin-bottom: var(--space-8); }
.hero-cta { display: flex; gap: var(--space-3); flex-wrap: wrap; }

/* Dark showcase panel — for hero-home (which stays on dark background) */
.hero-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--bg-dark-panel);
  border: 1px solid rgba(15,23,53,0.06);
  aspect-ratio: 1 / 1;
  max-width: 560px;
  margin-left: auto;
  box-shadow: var(--shadow-showcase);
}
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(45,91,255,0.0) 60%, rgba(6,9,30,0.35) 100%);
  pointer-events: none;
}

/* Light hero panel — for services/tech/cases (regenerated light images) */
.hero-page {
  padding-top: calc(var(--header-h) + var(--space-16));
  padding-bottom: var(--space-12);
  position: relative;
  overflow: hidden;
}
.hero-page-inner {
  text-align: center;
  max-width: 780px;
  margin: 0 auto var(--space-12) auto;
}
.hero-page-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  aspect-ratio: 2.2 / 1;
  max-height: 520px;
  margin: 0 auto;
  box-shadow: var(--shadow-md);
}
.hero-page-visual img { width: 100%; height: 100%; object-fit: cover; }

/* =====================================================
   SERVICE / FEATURE CARDS
   ===================================================== */
.service-card {
  padding: var(--space-8);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--t-med);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-subtle);
  opacity: 0;
  transition: opacity var(--t-med);
  pointer-events: none;
}
.service-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.service-card:hover::before { opacity: 1; }
.service-card > * { position: relative; z-index: 1; }

.service-card h3 { margin-bottom: var(--space-3); font-size: 1.3rem; }
.service-card p { font-size: 0.94rem; margin-bottom: var(--space-5); }

.tool-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tool-list li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  padding: 4px 10px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  background: #FFFFFF;
}

/* =====================================================
   PARTNER LOGOS
   ===================================================== */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #FFFFFF;
  box-shadow: var(--shadow-sm);
}
@media (max-width: 900px) { .partners-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px) { .partners-grid { grid-template-columns: repeat(2, 1fr); } }
.partner-cell {
  aspect-ratio: 2.4 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  filter: grayscale(0.8);
  opacity: 0.55;
  transition: filter var(--t-med), opacity var(--t-med), background var(--t-med);
}
.partner-cell:hover { opacity: 1; filter: grayscale(0); background: var(--bg-soft); }
.partner-cell img { max-width: 70%; max-height: 55%; }

.stack-grid {
  display: grid;
  gap: var(--space-6);
}
.stack-category {
  padding: var(--space-6);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.stack-category h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-teal);
  margin-bottom: var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.stack-category h4 span {
  color: var(--text-muted);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}
.stack-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.stack-item {
  padding: 8px 14px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  color: var(--text-primary);
  font-size: 0.85rem;
  background: #FFFFFF;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}
.stack-item:hover { border-color: var(--accent-blue); color: var(--accent-blue); background: var(--accent-blue-soft); }

/* =====================================================
   CASE STUDY CARDS
   ===================================================== */
.case-card {
  overflow: hidden;
  position: relative;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  transition: transform var(--t-med), border-color var(--t-med), box-shadow var(--t-med);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}
.case-thumb {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  position: relative;
  background: var(--bg-dark-panel);
}
.case-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-slow);
}
.case-card:hover .case-thumb img { transform: scale(1.05); }
.case-body { padding: var(--space-6); display: flex; flex-direction: column; flex: 1; gap: var(--space-3); }
.case-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.case-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  background: #FFFFFF;
}
.case-body h3 { margin: 0; font-size: 1.2rem; }
.case-body .meta { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted); }
.case-body .result-row {
  margin-top: auto;
  display: flex;
  gap: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
}
.case-body .result-stat b {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--accent-teal);
  display: block;
  letter-spacing: -0.02em;
}
.case-body .result-stat span {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* =====================================================
   CONTACT / OFFICE
   ===================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.office-card {
  padding: var(--space-8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}
.office-card h3 { margin-bottom: var(--space-3); }
.office-card .address {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}
.contact-line {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.office-card .contact-line:first-of-type { border-top: none; margin-top: var(--space-5); padding-top: var(--space-5); border-top: 1px solid var(--border-subtle); }
.contact-line svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--accent-teal);
}

/* =====================================================
   BLOG / INSIGHTS CARDS (on Home only)
   ===================================================== */
.insight-card {
  padding: var(--space-6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  transition: border-color var(--t-med), background var(--t-med), transform var(--t-med), box-shadow var(--t-med);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  cursor: pointer;
  min-height: 260px;
  box-shadow: var(--shadow-sm);
}
.insight-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.insight-card .date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.insight-card h3 { font-size: 1.15rem; margin: 0; }
.insight-card p { font-size: 0.9rem; margin: 0; }
.insight-card .read-more {
  margin-top: auto;
  font-size: 0.85rem;
  color: var(--accent-teal);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* =====================================================
   LOGIN PAGE
   ===================================================== */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-h) + var(--space-12)) var(--space-6) var(--space-12);
}
.login-card {
  width: 100%;
  max-width: 440px;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-8);
  box-shadow: 0 30px 70px rgba(15,23,53,0.10), 0 4px 14px rgba(15,23,53,0.05);
}
.login-card h1 { font-size: 1.85rem; margin-bottom: var(--space-2); }
.login-card .login-sub { color: var(--text-secondary); font-size: 0.92rem; margin-bottom: var(--space-8); }
.login-tabs { display: flex; margin-bottom: var(--space-6); border-bottom: 1px solid var(--border-subtle); }
.login-tabs button {
  flex: 1;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.login-tabs button.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent-teal);
}
.login-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
@media (max-width: 420px) { .login-row-2 { grid-template-columns: 1fr; } }
.login-meta {
  margin-top: var(--space-6);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.login-meta a { color: var(--accent-teal); font-weight: 600; }

/* =====================================================
   COUNT-UP / NUMBER DISPLAY ON HERO STRIP
   ===================================================== */
.hero-stats-strip {
  margin-top: var(--space-8);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-subtle);
}
@media (max-width: 600px) { .hero-stats-strip { grid-template-columns: 1fr 1fr; } }
.hero-stat b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  line-height: 1.1;
}
.hero-stat span {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}