/* ============================================================
   VEDIFIX TECH LABS — Design System
   Light/Dark Mode + All Improvements
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700;800&display=swap');

/* ── Dark Mode Variables (default) ─────────────────────────── */
:root {
  --bg:            #0a0a0f;
  --bg-surface:    #111118;
  --bg-elevated:   #16161f;
  --border:        #1e1e2e;
  --border-glow:   rgba(99,102,241,0.25);
  --accent:        #6366f1;
  --accent-hover:  #818cf8;
  --accent-soft:   rgba(99,102,241,0.12);
  --violet:        #8b5cf6;
  --text-primary:  #f8fafc;
  --text-secondary:#94a3b8;
  --text-muted:    #475569;
  --gradient:      linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-glow: linear-gradient(135deg, rgba(99,102,241,0.4) 0%, rgba(139,92,246,0.4) 100%);
  --font-display:  'Space Grotesk', sans-serif;
  --font-body:     'Inter', sans-serif;
  --radius-sm:     8px;
  --radius:        12px;
  --radius-lg:     20px;
  --radius-xl:     28px;
  --shadow-glow:   0 0 40px rgba(99,102,241,0.15);
  --shadow-card:   0 4px 24px rgba(0,0,0,0.4);
  --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --theme-transition: background 0.35s ease, color 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;

  /* Mobile menu overlay */
  --mobile-overlay: rgba(10,10,15,0.97);
  /* Scrolled navbar */
  --navbar-scrolled-bg: rgba(10,10,15,0.88);
  /* Ambient glow */
  --glow-1: rgba(99,102,241,0.08);
  --glow-2: rgba(139,92,246,0.06);
}

/* ── Light Mode Variables ───────────────────────────────────── */
html[data-theme="light"] {
  --bg:            #f8f9fc;
  --bg-surface:    #ffffff;
  --bg-elevated:   #f1f2f8;
  --border:        #e2e4f0;
  --border-glow:   rgba(99,102,241,0.2);
  --accent:        #4f52d9;
  --accent-hover:  #6366f1;
  --accent-soft:   rgba(99,102,241,0.08);
  --violet:        #7c3aed;
  --text-primary:  #0f0f1a;
  --text-secondary:#4b5468;
  --text-muted:    #8b93a8;
  --shadow-glow:   0 0 40px rgba(99,102,241,0.10);
  --shadow-card:   0 4px 24px rgba(0,0,0,0.08);
  --mobile-overlay: rgba(248,249,252,0.98);
  --navbar-scrolled-bg: rgba(248,249,252,0.92);
  --glow-1: rgba(99,102,241,0.05);
  --glow-2: rgba(139,92,246,0.04);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  transition: var(--theme-transition);
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

/* ── Utilities ─────────────────────────────────────────────── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-glow);
  background: var(--accent-soft);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-hover);
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
}

.section-header { margin-bottom: 56px; }
.section-header.centered { text-align: center; }
.section-header.centered .section-sub { margin: 0 auto; }

/* Gradient text */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99,102,241,0.35);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.btn-primary:hover::before { transform: translateX(100%); }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99,102,241,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent-hover);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

/* ── Ambient Glow Background ───────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 10%, var(--glow-1) 0%, transparent 50%),
    radial-gradient(circle at 10% 70%, var(--glow-2) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  transition: var(--theme-transition);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition), background 0.35s ease;
}

#navbar.scrolled {
  background: var(--navbar-scrolled-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  box-shadow: var(--shadow-glow);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

/* ── Logo Mark ─────────────────────────────────────────────── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

/* SVG VTL monogram mark — diamond shape */
.logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  /* diamond doesn't need border-radius clipping */
}

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

.nav-links a {
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--accent-soft);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 8px;
}

/* ── Theme Toggle ──────────────────────────────────────────── */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
  color: var(--text-secondary);
  font-size: 1rem;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent-hover);
  background: var(--accent-soft);
}

.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }

html[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
html[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Products Dropdown ─────────────────────────────────────── */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  transition: var(--transition);
}

.nav-dropdown-toggle:hover,
.nav-dropdown-toggle.active {
  color: var(--text-primary);
  background: var(--accent-soft);
}

.dropdown-chevron {
  transition: transform 0.25s ease;
  flex-shrink: 0;
  opacity: 0.6;
}

.nav-dropdown:hover .dropdown-chevron,
.nav-dropdown-toggle[aria-expanded="true"] .dropdown-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 280px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px rgba(0,0,0,0.35), var(--shadow-glow);
  padding: 8px;
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown-menu.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  transition: var(--transition);
  color: var(--text-secondary);
}

.nav-dropdown-item:hover {
  background: var(--accent-soft);
  color: var(--text-primary);
}

.nav-dropdown-item strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1px;
}

.nav-dropdown-item small {
  display: block;
  font-size: 0.74rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.dropdown-item-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

/* Mobile Products group */
.mobile-products-group {
  width: 100%;
  text-align: center;
}

.mobile-products-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-hover);
  padding: 4px 0 10px;
}

.mobile-products-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 6px;
}

.mobile-products-links a {
  font-size: 1.2rem !important;
  padding: 8px 32px !important;
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--mobile-overlay);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 80px 24px 40px;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 12px 32px;
  border-radius: var(--radius);
  width: 100%;
  text-align: center;
  transition: var(--transition);
}

.mobile-menu a:hover { background: var(--accent-soft); color: var(--accent-hover); }
.mobile-menu .btn   { font-size: 1rem; width: 100%; justify-content: center; margin-top: 16px; }

/* ============================================================
   HERO SECTION
   ============================================================ */
#hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

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

.hero-content { position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 100px;
  border: 1px solid var(--border-glow);
  background: var(--accent-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-hover);
  margin-bottom: 28px;
  animation: fadeInUp 0.6s ease both;
}

.hero-badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(99,102,241,0.6); }
  50%       { box-shadow: 0 0 0 6px rgba(99,102,241,0); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 24px;
  animation: fadeInUp 0.6s 0.1s ease both;
}

.hero-desc {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 480px;
  animation: fadeInUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s 0.3s ease both;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: fadeInRight 0.8s 0.2s ease both;
}

.hero-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.hero-img-wrap img {
  width: 100%;
  border-radius: var(--radius-xl);
  filter: brightness(0.9) saturate(1.1);
}

/* Hero glow blob */
.hero-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--glow-1) 0%, transparent 70%);
  top: -100px; right: -150px;
  pointer-events: none;
  animation: blobPulse 8s ease-in-out infinite;
}

@keyframes blobPulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50%       { transform: scale(1.15); opacity: 1; }
}

/* Floating status cards */
.float-card {
  position: absolute;
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: var(--shadow-card);
  white-space: nowrap;
}

.float-card-icon {
  width: 32px; height: 32px;
  border-radius: var(--radius-sm);
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.float-card.card-1 {
  top: 18px; left: -28px;
  animation: floatCard 4s ease-in-out infinite;
}

.float-card.card-2 {
  top: calc(50% - 34px); right: -28px;
  animation: floatCard 4s 1.5s ease-in-out infinite;
}

.float-card.card-3 {
  bottom: 120px; left: -24px;
  animation: floatCard 4s 0.8s ease-in-out infinite;
}

.float-card.card-4 {
  bottom: 28px; right: -28px;
  animation: floatCard 4s 2.2s ease-in-out infinite;
}

@keyframes floatCard {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-9px); }
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
#services {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

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

.service-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover::before { opacity: 1; }

.service-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(99,102,241,0.07) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.15), 0 0 30px rgba(99,102,241,0.08);
}

.service-card:hover::after { opacity: 1; }

.service-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  border: 1px solid var(--border-glow);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 22px;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: var(--gradient);
  border-color: transparent;
  box-shadow: 0 0 20px rgba(99,102,241,0.4);
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  position: relative; z-index: 1;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  position: relative; z-index: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  position: relative; z-index: 1;
}

.service-tag {
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--accent-soft);
  border: 1px solid var(--border);
  font-size: 0.74rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================================
   PROCESS SECTION
   ============================================================ */
#process {
  padding: 100px 0;
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent 0%, var(--bg-elevated) 50%, transparent 100%);
  transition: background 0.35s ease;
}

html[data-theme="light"] #process {
  background: linear-gradient(180deg, transparent 0%, rgba(99,102,241,0.03) 50%, transparent 100%);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.process-grid::after {
  content: '';
  position: absolute;
  top: 27px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-glow), var(--accent), var(--border-glow), transparent);
}

.process-item {
  padding: 0 20px;
  text-align: center;
  position: relative;
}

.process-number {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
  transition: var(--transition);
}

.process-item.active .process-number,
.process-item:hover  .process-number {
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 24px rgba(99,102,241,0.4);
}

.process-icon  { font-size: 1.3rem; margin-bottom: 12px; }
.process-title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.process-desc  {
  font-size: 0.87rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
#about {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

/* New about graphic — dark card with SVG/CSS illustrated visual */
.about-graphic {
  position: relative;
}

.about-img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  background: var(--bg-surface);
}

.about-img-wrap img {
  width: 100%;
  display: block;
}

html[data-theme="light"] .about-img-wrap img {
  filter: brightness(1.0) saturate(0.9);
}

html[data-theme="dark"] .about-img-wrap img,
:root .about-img-wrap img {
  filter: brightness(0.88) saturate(1.1);
}

.about-img-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.08) 0%, transparent 55%);
  pointer-events: none;
}

.about-stats {
  display: flex;
  gap: 16px;
  margin-top: 32px;
}

.stat-item {
  flex: 1;
  padding: 18px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

.stat-item:hover {
  border-color: var(--border-glow);
  background: var(--accent-soft);
  transform: translateY(-4px);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 24px 0;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.93rem;
  color: var(--text-secondary);
}

.about-feature-icon {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--border-glow);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.72rem;
  flex-shrink: 0;
  color: var(--accent-hover);
}

/* ============================================================
   CONTACT SECTION — no top section-header, heading is in left column
   ============================================================ */
#contact {
  padding: 60px 0;
  position: relative;
  z-index: 1;
}

/* Two-column side-by-side layout */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: center; /* vertically center both columns */
}

/* Left column — heading + details */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Heading inside left column */
.contact-heading {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.contact-intro {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contact-detail-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  border: 1px solid var(--border-glow);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.contact-detail-text span {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.contact-detail-text p {
  font-size: 0.93rem;
  color: var(--text-primary);
  font-weight: 500;
  margin: 0;
}

/* Right: form card — compact and contained */
.contact-form-wrap {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 28px 30px;
}

.form-group { margin-bottom: 11px; }

.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-input,
.form-textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: var(--transition);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-muted); }

.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
  background: var(--bg-elevated);
}

.form-textarea {
  min-height: 82px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* ── Math Captcha ─────────────────────────────────────────── */
.math-captcha-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 14px 0 16px;
  padding: 14px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.math-captcha-question {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.math-captcha-equals {
  color: var(--text-muted);
  font-weight: 600;
  flex-shrink: 0;
}

.math-captcha-input {
  width: 80px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  outline: none;
  transition: var(--transition);
  flex-shrink: 0;
}

.math-captcha-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}

.math-captcha-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  flex: 1;
}

/* ── Submit Button ─────────────────────────────────────────── */
#contact-form .btn {
  width: 100%;
  justify-content: center;
  padding: 13px;
  font-size: 0.97rem;
  margin-top: 4px;
  position: relative;
}

#btn-submit-text { transition: var(--transition); }

#btn-spinner {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

#contact-form.loading #btn-submit-text { opacity: 0.5; }
#contact-form.loading #btn-spinner { display: block; }

@keyframes spin { to { transform: rotate(360deg); } }

/* Toast notification */
#toast {
  position: fixed;
  bottom: 32px; right: 32px;
  z-index: 9999;
  padding: 14px 22px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-card);
  transform: translateY(80px);
  opacity: 0;
  transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  max-width: 360px;
}

#toast.show  { transform: translateY(0); opacity: 1; }

#toast.success {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.28);
  color: #10b981;
}

html[data-theme="light"] #toast.success {
  background: rgba(16, 185, 129, 0.08);
  color: #047857;
}

#toast.error {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.28);
  color: #ef4444;
}

html[data-theme="light"] #toast.error {
  background: rgba(239, 68, 68, 0.08);
  color: #b91c1c;
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer {
  padding: 52px 0 28px;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .nav-logo { margin-bottom: 14px; }

.footer-tagline {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 240px;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.footer-links a:hover { color: var(--accent-hover); }

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy  { font-size: 0.83rem; color: var(--text-muted); }
.footer-made  { font-size: 0.81rem; color: var(--text-muted); }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   SECTION DIVIDERS
   ============================================================ */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { order: -1; max-width: 540px; margin: 0 auto; }

  .services-grid { grid-template-columns: 1fr 1fr; }
  .process-grid  { grid-template-columns: 1fr 1fr; gap: 40px; }
  .process-grid::after { display: none; }

  .about-inner { grid-template-columns: 1fr; gap: 48px; }

  .contact-inner { grid-template-columns: 1fr 1.4fr; gap: 36px; }

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

@media (max-width: 900px) {
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .hero-title    { font-size: 2.1rem; }
  .hero-actions  { gap: 12px; }

  .services-grid { grid-template-columns: 1fr; }
  .process-grid  { grid-template-columns: 1fr 1fr; }
  .about-inner   { grid-template-columns: 1fr; }
  .about-stats   { flex-direction: row; }
  .footer-inner  { grid-template-columns: 1fr; gap: 28px; }
  .form-row      { grid-template-columns: 1fr; }

  .contact-form-wrap { padding: 24px 20px; }
  .section-title     { font-size: 1.7rem; }
  .footer-bottom     { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .process-grid  { grid-template-columns: 1fr; }
  .about-stats   { flex-direction: column; }
  #toast         { bottom: 16px; right: 16px; left: 16px; max-width: none; }
  .math-captcha-wrap { flex-wrap: wrap; }
}

/* ============================================================
   PRODUCT PAGES — Shared Styles
   ============================================================ */

/* Product Hero */
.product-hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
  z-index: 1;
}

.product-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.product-hero-content { position: relative; z-index: 2; }

.product-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.product-badge-stealth {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 100px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #f59e0b;
}

.product-badge-stealth::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #f59e0b;
  animation: pulse 2s infinite;
}

.product-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.product-hero-subtitle {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent-hover);
  margin-bottom: 16px;
  font-family: var(--font-display);
}

.product-hero-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 500px;
}

.product-hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 0;
}

/* Hero image panel */
.product-hero-visual {
  position: relative;
}

.product-hero-img-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  position: relative;
}

.product-hero-img-wrap img {
  width: 100%;
  display: block;
  filter: brightness(0.9) saturate(1.1);
}

.product-hero-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.1) 0%, transparent 60%);
  pointer-events: none;
}

/* Stealth Banner */
.stealth-banner {
  background: linear-gradient(135deg, rgba(245,158,11,0.08) 0%, rgba(239,68,68,0.05) 100%);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: var(--radius-lg);
  padding: 28px 36px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 56px;
}

.stealth-banner-icon {
  font-size: 2rem;
  flex-shrink: 0;
  line-height: 1;
}

.stealth-banner-text h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #f59e0b;
  margin-bottom: 6px;
}

.stealth-banner-text p {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

/* What's Coming Section */
.product-coming-section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.product-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.product-feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.product-feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: var(--transition);
}

.product-feature-card:hover { transform: translateY(-5px); }
.product-feature-card:hover::before { opacity: 1; }

.product-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  border: 1px solid var(--border-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.product-feature-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.product-feature-desc {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Imagine Section */
.product-imagine-section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, transparent 0%, var(--bg-elevated) 50%, transparent 100%);
  transition: background 0.35s ease;
}

html[data-theme="light"] .product-imagine-section {
  background: linear-gradient(180deg, transparent 0%, rgba(99,102,241,0.03) 50%, transparent 100%);
}

.product-imagine-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.product-imagine-text { }

.product-imagine-text p {
  font-size: 1.0rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.product-quote-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
}

.product-quote-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 12px 18px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-style: italic;
}

.product-visual-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.product-visual-card-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.product-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-pill {
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--accent-soft);
  border: 1px solid var(--border-glow);
  font-size: 0.78rem;
  color: var(--accent-hover);
  font-weight: 500;
}

/* CTA section */
.product-cta-section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.product-cta-inner {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.product-cta-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(99,102,241,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.product-cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
}

.product-cta-inner p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 500px;
  margin: 0 auto 32px;
  position: relative;
}

.product-cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* Back button */
.product-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 6px 0;
  margin-bottom: 20px;
  transition: var(--transition);
}

.product-back-link:hover {
  color: var(--accent-hover);
}

/* Product page responsive */
@media (max-width: 1024px) {
  .product-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .product-hero-visual { max-width: 560px; margin: 0 auto; }
  .product-features-grid { grid-template-columns: 1fr 1fr; }
  .product-imagine-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .product-hero { padding: 120px 0 60px; }
  .product-features-grid { grid-template-columns: 1fr; }
  .product-cta-inner { padding: 40px 24px; }
  .stealth-banner { flex-direction: column; gap: 12px; padding: 22px 20px; }
}

@media (max-width: 480px) {
  .product-hero-title { font-size: 1.9rem; }
  .product-features-grid { grid-template-columns: 1fr; }
}