/* ==========================================================================
   IDEH SMART HOME — DUAL THEME (LIGHT / DARK) CORE STYLING
   Aesthetic: Seamless transition between Clean White & Obsidian Dark Glass
   Derived directly from Official Brand Logo
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body {
  font-family: var(--font-family-fa);
  background-color: var(--color-background);
  color: var(--color-text-secondary);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

::selection {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ==========================================================================
   GLOBAL SINGLE-LINE BUTTON & INTERACTIVE TEXT SAFEGUARD
   Guarantees that button labels, navigation pills, and badges never break into 2 lines
   ========================================================================== */
button,
a.btn,
.btn,
.btn-primary-glow,
.btn-secondary-glass,
.btn-dock-cta,
.btn-dock-admin,
.nav-link,
.mobile-nav-link,
.cat-pill,
.badge-text,
.btn-add-cart,
.btn-quick-view,
.btn-checkout,
.btn-clear-cart,
.btn-track,
.btn-submit-feedback,
.builder-step-pill,
.builder-step-title,
.btn-builder-next,
.btn-builder-prev,
.logo-title,
.logo-subtitle {
  white-space: nowrap !important;
}

button span,
a span,
.btn span,
.btn-primary-glow span,
.btn-secondary-glass span,
.btn-dock-cta span,
.btn-dock-admin span,
.nav-link span {
  white-space: nowrap !important;
}

/* --- Container Utility --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(12px, 3.5vw, 28px);
}

/* --- Ambient Multi-Layer Background --- */
.ambient-mesh {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  opacity: var(--ambient-opacity, 0.65);
  transition: opacity 0.5s ease;
}

.ambient-mesh::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 15%, var(--ambient-orb1) 0%, transparent 60%),
              radial-gradient(circle at 85% 85%, var(--ambient-orb2) 0%, transparent 50%),
              radial-gradient(circle at 50% 50%, transparent 0%, transparent 70%);
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: floatOrb 25s infinite alternate ease-in-out;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--ambient-orb1) 0%, transparent 70%);
  top: -100px;
  right: -80px;
  animation-duration: 22s;
}

.orb-2 {
  width: 580px;
  height: 580px;
  background: radial-gradient(circle, var(--ambient-orb2) 0%, transparent 70%);
  bottom: 15%;
  left: -120px;
  animation-duration: 28s;
  animation-delay: -5s;
}

.orb-3 {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, var(--ambient-orb3) 0%, transparent 70%);
  top: 45%;
  right: 20%;
  animation-duration: 25s;
  animation-delay: -10s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 30px) scale(1.08); }
  100% { transform: translate(-30px, 50px) scale(0.96); }
}

/* ==========================================================================
   FLOATING DOCK NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 14px;
  inset-inline: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding-inline: 12px;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.header-dock {
  pointer-events: auto;
  width: min(98%, 1440px);
  height: 68px;
  min-height: 68px;
  background: var(--color-surface-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12), 0 0 0 1px var(--color-border);
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(6px, 1vw, 14px);
  padding-inline: clamp(10px, 1.4vw, 20px);
  transition: var(--transition-smooth);
}

.site-header.scrolled .header-dock {
  height: 60px;
  min-height: 60px;
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.22), 0 0 0 1px var(--color-border);
}

/* Brand Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  user-select: none;
}

.logo-img-wrap {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  overflow: hidden;
  background: #060a12;
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 10px rgba(0, 112, 224, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.logo:hover .logo-img-wrap {
  transform: scale(1.05);
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(0, 112, 224, 0.45);
}

.logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.logo-info {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.logo-title {
  font-size: clamp(0.88rem, 0.95vw, 1rem);
  font-weight: 800;
  color: var(--color-text);
  white-space: nowrap !important;
  letter-spacing: -0.01em;
}

.logo-subtitle {
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  white-space: nowrap !important;
}

/* Navigation Menu */
#mainNav {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(2px, 0.4vw, 6px);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: clamp(0.78rem, 0.84vw, 0.85rem);
  font-weight: 600;
  color: var(--color-text-secondary);
  padding: 6px clamp(6px, 0.7vw, 11px);
  border-radius: var(--radius-pill);
  white-space: nowrap !important;
  transition: var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 1.2;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Header Actions Group */
.header-actions {
  display: flex;
  align-items: center;
  gap: clamp(4px, 0.6vw, 8px);
  flex-shrink: 0;
}

/* Theme Switcher Button */
.btn-theme-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  min-width: 38px;
  min-height: 38px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: var(--transition-fast);
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
}

.btn-theme-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
  transform: rotate(20deg);
}

.theme-icon-sun {
  display: none;
}

.theme-icon-moon {
  display: block;
}

[data-theme="dark"] .theme-icon-sun {
  display: block;
  color: #f59e0b;
}

[data-theme="dark"] .theme-icon-moon {
  display: none;
}

/* User Account Trigger */
.btn-dock-user {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  min-width: 38px;
  min-height: 38px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: var(--transition-fast);
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
}

.btn-dock-user:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Cart Trigger */
.btn-dock-cart {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  min-width: 38px;
  min-height: 38px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: var(--transition-fast);
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
}

.btn-dock-cart:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.cart-badge-count {
  position: absolute;
  top: -3px;
  right: -3px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: none;
  align-items: center;
  justify-content: center;
  padding-inline: 3px;
  border: 2px solid var(--color-surface);
  z-index: 3;
  line-height: 1;
}

/* Admin Trigger */
.btn-dock-admin {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 36px;
  padding: 6px clamp(8px, 0.9vw, 12px);
  font-size: clamp(0.76rem, 0.8vw, 0.82rem);
  font-weight: 700;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  transition: var(--transition-smooth);
  white-space: nowrap !important;
  flex-shrink: 0;
  cursor: pointer;
}

.btn-dock-admin:hover {
  color: var(--color-primary);
  border-color: var(--color-border-brand);
  background: var(--color-primary-light);
}

/* Primary CTA Button */
.btn-dock-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 6px clamp(10px, 1.1vw, 16px);
  font-size: clamp(0.78rem, 0.82vw, 0.85rem);
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(0, 112, 224, 0.3);
  transition: var(--transition-smooth);
  white-space: nowrap !important;
  flex-shrink: 0;
  text-decoration: none;
}

.btn-dock-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 112, 224, 0.45);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  width: 38px;
  height: 38px;
  min-width: 38px;
  min-height: 38px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
}

.mobile-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  pointer-events: auto;
  position: fixed;
  top: 92px;
  inset-inline: 16px;
  max-width: 480px;
  margin-inline: auto;
  background: var(--color-surface-glass);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-xl);
  padding: 20px;
  z-index: 1001;
  display: none;
  flex-direction: column;
  gap: 8px;
  animation: slideDown 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav-drawer.open {
  display: flex;
}

.mobile-nav-link {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.mobile-nav-link:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 90vh;
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 70px;
  display: flex;
  align-items: center;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  align-items: center;
  gap: 40px;
}

.young-team-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: var(--color-primary-light);
  border: 1px solid rgba(0, 112, 224, 0.25);
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 8px rgba(0, 112, 224, 0.1);
}

.badge-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 10px var(--color-primary);
  animation: pulseBrand 2s infinite;
}

@keyframes pulseBrand {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.4); }
}

.badge-text {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary);
}

.hero-title {
  font-size: clamp(1.65rem, 4.4vw, 3.6rem);
  font-weight: 900;
  line-height: 1.3;
  color: var(--color-text);
  margin-top: 18px;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  word-break: break-word;
}

.hero-title .highlight {
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-description {
  font-size: clamp(0.9rem, 1.25vw, 1.15rem);
  color: var(--color-text-secondary);
  line-height: 1.85;
  margin-bottom: 30px;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.btn-primary-glow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 32px;
  font-size: 0.98rem;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 22px rgba(0, 112, 224, 0.32);
  transition: var(--transition-smooth);
}

.btn-primary-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 112, 224, 0.45);
}

.btn-secondary-glass {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-liquid-sm);
  transition: var(--transition-smooth);
}

.btn-secondary-glass:hover {
  background: var(--color-primary-light);
  border-color: var(--color-border-brand);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.hero-metrics {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.metric-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-liquid-sm);
}

.metric-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
}

.metric-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

/* Hero Prototype Canvas */
.hero-visual-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.prototype-interactive-canvas {
  width: 100%;
  max-width: 540px;
  position: relative;
  transition: transform 0.2s ease-out;
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.3));
}

.prototype-interactive-canvas img {
  width: 100%;
  height: auto;
  display: block;
}

.floating-chip {
  position: absolute;
  padding: 10px 16px;
  background: var(--color-surface-glass);
  backdrop-filter: blur(14px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-liquid-md);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text);
  animation: floatChip 5s ease-in-out infinite alternate;
}

.chip-1 {
  top: 15%;
  right: -10px;
  animation-delay: -1s;
}

.chip-2 {
  bottom: 18%;
  left: -15px;
  animation-delay: -2.5s;
}

@keyframes floatChip {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-8px); }
}

/* ==========================================================================
   COMMON SECTION STYLES
   ========================================================================== */
.section {
  position: relative;
  padding: clamp(45px, 7vw, 90px) 0;
  z-index: 1;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: clamp(30px, 5vw, 54px);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--color-primary-light);
  border: 1px solid var(--color-border-brand);
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.45rem, 3.2vw, 2.5rem);
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: 14px;
  line-height: 1.35;
  word-break: break-word;
}

.section-subtitle {
  font-size: clamp(0.86rem, 1.4vw, 1.05rem);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ==========================================================================
   STARTUP & MISSION SECTION
   ========================================================================== */
.startup-lead-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-liquid-md);
  margin-bottom: 40px;
}

.startup-lead-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 20px;
  line-height: 1.6;
}

.problem-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.problem-card {
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  transition: var(--transition-smooth);
}

.problem-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-brand);
  box-shadow: var(--shadow-liquid-md);
  background: var(--color-surface);
}

.problem-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.problem-title {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 10px;
}

.problem-desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Journey Timeline */
.journey-timeline {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-top: 40px;
}

.journey-timeline::before {
  content: '';
  position: absolute;
  top: 26px;
  right: 50px;
  left: 50px;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.journey-step {
  position: relative;
  z-index: 1;
  text-align: center;
  flex: 1;
  padding: 0 12px;
}

.step-node {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  margin-inline: auto;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-text-muted);
  box-shadow: var(--shadow-liquid-sm);
  transition: var(--transition-smooth);
}

.journey-step.completed .step-node {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.journey-step.active .step-node {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 0 20px var(--color-primary-glow);
}

.journey-step-date {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.journey-step-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 6px;
}

.journey-step-status {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  display: inline-block;
}

.journey-step-desc {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   PROTOTYPE SHOWCASE
   ========================================================================== */
.prototype-showcase-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-liquid-lg);
  overflow: hidden;
  padding: 48px;
}

.prototype-showcase-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
}

.prototype-media-panel {
  position: relative;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 50% 50%, var(--color-primary-light) 0%, var(--color-surface-subtle) 80%);
  padding: 24px;
  border: 1px solid var(--color-border);
  display: flex;
  justify-content: center;
  align-items: center;
}

.prototype-media-panel img {
  width: 100%;
  max-width: 440px;
  height: auto;
  transition: transform 0.4s ease;
}

.prototype-media-panel:hover img {
  transform: scale(1.03);
}

.prototype-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  background: #ecfdf5;
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #059669;
  margin-bottom: 16px;
}

.prototype-name {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: 14px;
}

.prototype-desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.problem-solved-card {
  background: var(--color-primary-light);
  border: 1px solid var(--color-border-brand);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin-bottom: 26px;
}

.problem-solved-title {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.problem-solved-text {
  font-size: 0.86rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.prototype-specs-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.spec-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px;
}

.spec-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.spec-info-title {
  font-size: 0.84rem;
  font-weight: 800;
  color: var(--color-text);
}

.spec-info-sub {
  font-size: 0.74rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   ROADMAP SECTION
   ========================================================================== */
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.roadmap-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  box-shadow: var(--shadow-liquid-sm);
  transition: var(--transition-smooth);
}

.roadmap-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-border-brand);
  box-shadow: var(--shadow-card-hover);
}

.roadmap-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.roadmap-period {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--color-primary);
}

.roadmap-status-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.status-completed .roadmap-status-badge {
  background: #ecfdf5;
  color: #059669;
}

.roadmap-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 8px;
}

.roadmap-desc {
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ==========================================================================
   TEAM SECTION
   ========================================================================== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.team-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 30px 20px;
  text-align: center;
  box-shadow: var(--shadow-liquid-sm);
  transition: var(--transition-smooth);
}

.team-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-brand);
  box-shadow: var(--shadow-card-hover);
}

.team-avatar-wrap {
  width: 90px;
  height: 90px;
  border-radius: 24px;
  margin-inline: auto;
  margin-bottom: 16px;
  overflow: hidden;
  border: 2px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(0, 112, 224, 0.15);
  transition: var(--transition-smooth);
}

.team-card:hover .team-avatar-wrap {
  transform: scale(1.06);
  border-color: var(--color-primary);
}

.team-avatar-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 4px;
}

.team-role {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.team-bio {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
}

.team-skills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.skill-tag {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  background: var(--color-surface-subtle);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 50px;
  box-shadow: var(--shadow-liquid-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.contact-info-col h3 {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: 14px;
}

.contact-info-col p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 26px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-link-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 12px 18px;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.contact-link-item:hover {
  color: var(--color-primary);
  border-color: var(--color-border-brand);
  background: var(--color-primary-light);
}

/* Feedback Form */
.feedback-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-text);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  background: var(--color-surface);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-textarea {
  resize: vertical;
  min-height: 95px;
}

.btn-submit-feedback {
  padding: 14px 24px;
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 18px rgba(0, 112, 224, 0.28);
  transition: var(--transition-smooth);
}

.btn-submit-feedback:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 112, 224, 0.42);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 48px 0 28px;
  position: relative;
  z-index: 1;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: 20px;
}

.footer-copy {
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   RESPONSIVE DESIGN SYSTEM — ALL SCREEN SIZES
   320px - 375px (Small Mobile)
   375px - 480px (Mobile)
   480px - 576px (Large Mobile)
   576px - 768px (Tablet)
   768px - 1024px (Large Tablet)
   1024px - 1366px (Laptop)
   1366px - 1600px (Large Laptop)
   1600px - 1920px (Desktop)
   1920px+ (Large Desktop)
   ========================================================================== */

/* --- 1. Large Desktops & 4K Displays (1920px+) --- */
@media (min-width: 1920px) {
  :root {
    --container-max: 1400px;
  }
  .hero-description {
    max-width: 680px;
  }
}

/* --- 2. Laptops & Compact Desktops (1024px – 1440px) --- */
@media (max-width: 1440px) {
  .header-dock {
    width: min(99%, 1400px);
    gap: 6px;
    padding-inline: 12px;
  }
  .nav-menu {
    gap: 2px;
  }
  .nav-link {
    padding: 6px 7px;
    font-size: 0.8rem;
  }
  .header-search-wrap {
    width: 170px;
  }
  .btn-dock-cta {
    display: inline-flex;
    padding: 6px 12px;
    font-size: 0.8rem;
  }
  .btn-dock-admin {
    display: inline-flex;
    padding: 6px 9px;
    font-size: 0.76rem;
  }
  .header-actions {
    gap: 5px;
  }
}

@media (max-width: 1180px) {
  .nav-link {
    padding: 5px 6px;
    font-size: 0.77rem;
  }
  .header-search-wrap {
    width: 145px;
  }
  .btn-dock-cta {
    padding: 5px 10px;
    font-size: 0.78rem;
  }
  .btn-dock-admin {
    padding: 5px 8px;
    font-size: 0.74rem;
  }
  .header-actions {
    gap: 4px;
  }
}

/* --- 3. Large Tablets & Small Laptops (768px – 1024px) --- */
@media (max-width: 1024px) {
  .nav-menu {
    display: none;
  }
  .mobile-toggle {
    display: inline-flex;
  }
  .btn-dock-admin {
    display: none;
  }
  .btn-dock-cta {
    display: none;
  }
  .header-search-wrap {
    display: flex;
    flex: 1;
    max-width: 260px;
    min-width: 160px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 36px;
  }
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero-description {
    margin-inline: auto;
  }
  .hero-cta-group, .hero-metrics {
    justify-content: center;
  }
  .hero-visual-wrap {
    max-width: 480px;
    margin-inline: auto;
  }
  .prototype-showcase-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .contact-box {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .roadmap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- 4. Standard Tablets (576px – 768px) --- */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }
  .site-header {
    top: 12px;
  }
  .header-dock {
    padding-inline: 16px;
  }
  .header-search-wrap {
    display: none !important;
  }
  .btn-dock-cta {
    display: none !important;
  }
  .btn-dock-admin {
    display: none !important;
  }
  .hero-section {
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 50px;
    min-height: auto;
  }
  .journey-timeline {
    flex-direction: column;
    gap: 26px;
  }
  .journey-timeline::before {
    display: none;
  }
  .prototype-showcase-box {
    padding: 24px;
  }
  .contact-box {
    padding: 28px 20px;
  }
  .roadmap-grid {
    grid-template-columns: 1fr;
  }
  .team-grid {
    grid-template-columns: 1fr;
  }
}

/* --- 5. Large Mobile & Mobile (375px – 576px) --- */
@media (max-width: 576px) {
  :root {
    --header-height: 58px;
  }
  .site-header {
    top: 8px;
  }
  .header-dock {
    width: 95%;
    height: var(--header-height);
    padding-inline: 12px;
  }
  .logo-img-wrap {
    width: 36px;
    height: 36px;
    border-radius: 10px;
  }
  .logo-title {
    font-size: 0.88rem;
  }
  .logo-subtitle {
    display: none;
  }
  .header-actions {
    gap: 6px;
  }
  .btn-theme-toggle, .btn-dock-user, .btn-dock-cart, .mobile-toggle {
    width: 36px;
    height: 36px;
  }
  .hero-section {
    padding-top: calc(var(--header-height) + 24px);
    padding-bottom: 36px;
  }
  .hero-badge-wrap {
    margin-bottom: 12px;
  }
  .young-team-badge {
    padding: 6px 12px;
    font-size: 0.74rem;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  .hero-cta-group a {
    width: 100%;
    justify-content: center;
    padding: 12px 20px;
  }
  .hero-metrics {
    flex-direction: column;
    gap: 8px;
    align-items: center;
  }
  .contact-box {
    padding: 20px 16px;
    border-radius: var(--radius-lg);
  }
  .contact-info-col h3 {
    font-size: 1.35rem;
  }
  .contact-links {
    gap: 8px;
  }
  .contact-link-item {
    font-size: 0.84rem;
    padding: 10px 14px;
    word-break: break-word;
  }
}

/* --- 6. Small Mobile (320px – 375px) --- */
@media (max-width: 375px) {
  :root {
    --header-height: 52px;
  }
  .site-header {
    top: 6px;
  }
  .header-dock {
    width: 96%;
    height: var(--header-height);
    padding-inline: 8px;
  }
  .logo {
    gap: 8px;
  }
  .logo-img-wrap {
    width: 32px;
    height: 32px;
    border-radius: 8px;
  }
  .logo-title {
    font-size: 0.8rem;
  }
  .header-actions {
    gap: 4px;
  }
  .btn-theme-toggle, .btn-dock-cart, .mobile-toggle {
    width: 32px;
    height: 32px;
  }
  .btn-dock-user {
    display: none !important;
  }
  .cart-badge-count {
    width: 16px;
    height: 16px;
    font-size: 0.65rem;
    top: -2px;
    right: -2px;
  }
  .container {
    padding-inline: 10px;
  }
  .hero-title {
    font-size: 1.5rem;
  }
  .hero-description {
    font-size: 0.85rem;
    line-height: 1.7;
  }
  .section {
    padding: 36px 0;
  }
  .section-title {
    font-size: 1.3rem;
  }
  .section-subtitle {
    font-size: 0.82rem;
  }
  .contact-box {
    padding: 16px 12px;
  }
}