/* ============================================================
   SFT Tailoring Solution — Main Stylesheet
   Design Tokens & Global Styles
   ============================================================ */

:root {
  /* Color Palette */
  --primary: #1a6b3c;
  --primary-light: #25a05a;
  --primary-dark: #0f4526;
  --accent: #f5a623;
  --accent-light: #ffd166;
  --surface: #ffffff;
  --surface-alt: #f4f9f6;
  --text-primary: #1a1a2e;
  --text-secondary: #4a5568;
  --text-muted: #8a9ab0;
  --border: #e2ece8;
  --shadow: rgba(26, 107, 60, 0.12);
  --glass: rgba(255,255,255,0.72);
  --glass-border: rgba(255,255,255,0.4);

  /* Typography */
  --font-display: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Spacing */
  --section-pad: 96px 0;
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;

  /* Transitions */
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode */
[data-theme="dark"] {
  --primary: #25a05a;
  --primary-light: #34c97a;
  --primary-dark: #1a6b3c;
  --accent: #ffd166;
  --surface: #111827;
  --surface-alt: #1a2535;
  --text-primary: #f0faf5;
  --text-secondary: #a8bfb0;
  --text-muted: #5a7060;
  --border: #233030;
  --shadow: rgba(0,0,0,0.35);
  --glass: rgba(17,24,39,0.82);
  --glass-border: rgba(255,255,255,0.08);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--surface);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
button { cursor: pointer; border: none; outline: none; font-family: var(--font-body); }

/* ============================================================
   Typography
   ============================================================ */
h1,h2,h3,h4,h5 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; color: var(--text-primary); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p { color: var(--text-secondary); }

/* ============================================================
   Utility Classes
   ============================================================ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-pad); }
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary-light);
  background: rgba(37,160,90,0.1);
  border-radius: 100px;
  padding: 4px 14px;
  margin-bottom: 14px;
}
.section-title { margin-bottom: 16px; }
.section-sub { color: var(--text-secondary); font-size: 1.05rem; max-width: 580px; }
.text-center { text-align: center; }
.text-center .section-sub { margin: 0 auto; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 16px; }
.gap-4 { gap: 24px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 24px; }
.mt-6 { margin-top: 40px; }
.mb-4 { margin-bottom: 24px; }
.mb-6 { margin-bottom: 40px; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 18px var(--shadow);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px var(--shadow); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-accent {
  background: var(--accent);
  color: var(--text-primary);
  box-shadow: 0 4px 18px rgba(245,166,35,0.3);
}
.btn-accent:hover { background: var(--accent-light); transform: translateY(-2px); }
.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 4px 18px rgba(0,0,0,0.15);
}
.btn-white:hover { background: var(--surface-alt); transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: 0.875rem; }
.btn-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
  border-radius: 4px;
  flex-shrink: 0;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
  box-shadow: 0 2px 12px var(--shadow);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px var(--shadow); }
.card-glass {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px;
}

/* ============================================================
   Loading Screen
   ============================================================ */
#loading-screen {
  position: fixed; inset: 0;
  background: var(--primary-dark);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}
#loading-screen .loader-logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}
.loader-logo span { color: var(--accent); }
.loader-bar {
  width: 200px; height: 3px;
  background: rgba(255,255,255,0.2);
  border-radius: 100px;
  overflow: hidden;
}
.loader-bar::after {
  content: '';
  display: block;
  height: 100%;
  background: var(--accent);
  animation: load 1.4s ease-in-out forwards;
}
@keyframes load { from { width: 0; } to { width: 100%; } }

/* ============================================================
   Navigation
   ============================================================ */
.navbar {
  position: sticky; top: 0; z-index: 900;
  background: var(--glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 24px var(--shadow); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 24px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.03em;
  white-space: nowrap;
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: 100px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
  background: rgba(37,160,90,0.08);
}
.nav-actions { display: flex; align-items: center; gap: 10px; }
.language-switch {
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 50px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
}
.language-select {
  min-width: 90px;
  padding: 8px 10px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.95rem;
  outline: none;
}
.language-select option { background: var(--surface); }
.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition);
}
.theme-toggle:hover { background: var(--border); }
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  padding: 8px;
  background: none;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
.mobile-menu {
  display: none;
  position: absolute; top: 70px; left: 0; right: 0;
  background: var(--glass);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  flex-direction: column; gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.mobile-menu a:hover { color: var(--primary); background: rgba(37,160,90,0.08); }
.mobile-menu .btn { margin-top: 8px; justify-content: center; }

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #0d7a4a 100%);
  padding: 90px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-content { color: #fff; }
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 20px;
}
.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero h1 span { color: var(--accent-light); }
.hero p {
  color: rgba(255,255,255,0.78);
  font-size: 1.1rem;
  max-width: 500px;
  margin-bottom: 36px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
}
.stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); }
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-illustration {
  width: 100%;
  max-width: 480px;
  position: relative;
}
.hero-phones {
  display: flex;
  gap: 16px;
  align-items: flex-end;
  justify-content: center;
}
.phone-mockup {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  backdrop-filter: blur(8px);
}
.phone-mockup.large { width: 160px; height: 320px; }
.phone-mockup.small { width: 130px; height: 260px; }
.phone-screen {
  background: var(--surface-alt);
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
  gap: 10px;
}
.phone-screen-dark {
  background: #1a2535;
}
.phone-bar { border-radius: 6px; }
.phone-bar-header { height: 36px; background: var(--primary); border-radius: 8px; margin-bottom: 4px; display: flex; align-items: center; padding: 0 10px; gap: 6px; }
.phone-bar-header span { width: 6px; height: 6px; border-radius: 50%; }
.phone-bar-1 { height: 60px; background: rgba(37,160,90,0.15); border-radius: 8px; }
.phone-bar-2 { height: 40px; background: rgba(37,160,90,0.1); border-radius: 8px; }
.phone-bar-3 { height: 32px; background: rgba(245,166,35,0.15); border-radius: 8px; }
.phone-bar-4 { height: 48px; background: rgba(37,160,90,0.08); border-radius: 8px; }
.phone-floating {
  position: absolute;
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.phone-floating.top-right { top: -12px; right: -20px; }
.phone-floating.bottom-left { bottom: 24px; left: -24px; }
.float-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary-light); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:0.5;transform:scale(1.4);} }

/* ============================================================
   About Section
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-icon-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.about-icon-card {
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: all var(--transition);
}
.about-icon-card:hover { border-color: var(--primary-light); background: rgba(37,160,90,0.04); }
.about-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.about-icon-card h4 { font-size: 0.9rem; margin-bottom: 4px; }
.about-icon-card p { font-size: 0.8rem; color: var(--text-muted); }
.about-visual {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: var(--radius-lg);
  padding: 40px;
  position: relative;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}
.about-visual::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(255,255,255,0.08) 0%, transparent 60%);
}
.about-stat-card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 18px 22px;
  display: flex; align-items: center; gap: 14px;
  position: relative; z-index: 1;
}
.about-stat-icon {
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.15);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}
.about-stat-val {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: #fff;
  line-height: 1;
}
.about-stat-lbl { font-size: 0.78rem; color: rgba(255,255,255,0.65); }

/* ============================================================
   User Roles Section
   ============================================================ */
.roles-section { background: var(--surface-alt); }
.roles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.role-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: 0 2px 12px var(--shadow);
}
.role-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px var(--shadow); }
.role-card-header {
  padding: 28px 28px 20px;
  display: flex; align-items: center; gap: 16px;
}
.role-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}
.role-icon.green { background: linear-gradient(135deg, #1a6b3c, #25a05a); }
.role-icon.purple { background: linear-gradient(135deg, #6b46c1, #9f7aea); }
.role-icon.orange { background: linear-gradient(135deg, #c05621, #f6ad55); }
.role-icon.blue { background: linear-gradient(135deg, #2b6cb0, #4299e1); }
.role-card-header h3 { font-size: 1.15rem; margin-bottom: 4px; }
.role-card-header p { font-size: 0.82rem; color: var(--text-muted); }
.role-features {
  padding: 0 28px 24px;
  display: flex; flex-direction: column; gap: 8px;
}
.role-feature {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.875rem; color: var(--text-secondary);
}
.role-feature::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary-light);
  flex-shrink: 0;
}
.role-demo {
  margin: 4px 28px 28px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
}
.role-demo-title { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 10px; }
.progress-item { margin-bottom: 10px; }
.progress-item:last-child { margin-bottom: 0; }
.progress-label {
  display: flex; justify-content: space-between;
  font-size: 0.78rem; color: var(--text-secondary);
  margin-bottom: 5px;
}
.progress-bar { height: 6px; background: var(--border); border-radius: 100px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 100px; transition: width 1.2s ease; }
.progress-fill.green { background: linear-gradient(90deg, var(--primary), var(--primary-light)); }
.progress-fill.accent { background: linear-gradient(90deg, var(--accent), var(--accent-light)); }
.progress-fill.blue { background: linear-gradient(90deg, #2b6cb0, #4299e1); }
.status-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
}
.badge-pending { background: rgba(245,166,35,0.12); color: #b7791f; }
.badge-progress { background: rgba(37,160,90,0.1); color: var(--primary); }
.badge-done { background: rgba(37,160,90,0.2); color: var(--primary-dark); }
.badge-delivered { background: rgba(43,108,176,0.12); color: #2b6cb0; }
.status-grid { display: flex; flex-wrap: wrap; gap: 6px; }

/* ============================================================
   Auth Section
   ============================================================ */
.auth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}
.auth-flow {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 2px 12px var(--shadow);
}
.auth-flow h3 { margin-bottom: 24px; display: flex; align-items: center; gap: 10px; }
.auth-flow h3 .icon { font-size: 1.4rem; }
.auth-field {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}
.auth-field .field-icon { font-size: 1rem; }
.auth-divider {
  display: flex; align-items: center; gap: 14px;
  margin: 20px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1;
  height: 1px; background: var(--border);
}
.auth-special {
  background: rgba(245,166,35,0.08);
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 16px;
}
.auth-special h4 { font-size: 0.875rem; color: #b7791f; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }

/* ============================================================
   Workflow Section
   ============================================================ */
.workflow-section { background: var(--surface-alt); }
.workflow-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 700px;
  margin: 48px auto 0;
  position: relative;
}
.workflow-item {
  display: flex;
  gap: 24px;
  position: relative;
}
.workflow-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 27px; top: 60px;
  width: 2px;
  height: calc(100% - 20px);
  background: linear-gradient(to bottom, var(--primary-light), var(--border));
}
.workflow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.step-num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px var(--shadow);
  position: relative; z-index: 1;
}
.workflow-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 20px;
  flex: 1;
  box-shadow: 0 2px 8px var(--shadow);
  transition: all var(--transition);
}
.workflow-content:hover { border-color: var(--primary-light); box-shadow: 0 4px 16px var(--shadow); }
.workflow-content h3 { font-size: 1.1rem; margin-bottom: 6px; }
.workflow-content p { font-size: 0.875rem; color: var(--text-secondary); }
.workflow-icon { font-size: 1.6rem; margin-bottom: 10px; }

/* ============================================================
   Features Section
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
  box-shadow: 0 2px 8px var(--shadow);
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px var(--shadow); border-color: var(--primary-light); }
.feature-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 16px;
  transition: all var(--transition);
}
.feature-card:hover .feature-icon { transform: scale(1.1) rotate(-4deg); }
.feature-card h4 { font-size: 0.95rem; margin-bottom: 8px; }
.feature-card p { font-size: 0.8rem; color: var(--text-muted); }

/* ============================================================
   Screenshots Section
   ============================================================ */
.screenshots-section { background: var(--primary-dark); overflow: hidden; }
.screenshots-section .section-label { color: var(--accent-light); background: rgba(255,255,255,0.1); }
.screenshots-section .section-title { color: #fff; }
.screenshots-section .section-sub { color: rgba(255,255,255,0.65); }
.screens-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 32px 0 16px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.2) transparent;
  scroll-snap-type: x mandatory;
}
.screens-scroll::-webkit-scrollbar { height: 4px; }
.screens-scroll::-webkit-scrollbar-track { background: transparent; }
.screens-scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 4px; }
.screen-item {
  flex-shrink: 0;
  width: 200px;
  scroll-snap-align: start;
}
.screen-phone {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 24px;
  overflow: hidden;
  height: 380px;
  position: relative;
}
.screen-content {
  height: 100%;
  background: var(--surface-alt);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
}
[data-theme="dark"] .screen-content { background: #1a2535; }
.screen-topbar {
  height: 32px;
  background: var(--primary);
  border-radius: 8px;
  display: flex; align-items: center; padding: 0 10px;
  gap: 6px;
  margin-bottom: 4px;
}
.screen-topbar span { font-size: 0.65rem; color: rgba(255,255,255,0.9); font-weight: 600; }
.screen-block { background: rgba(0,0,0,0.06); border-radius: 8px; flex-shrink: 0; }
[data-theme="dark"] .screen-block { background: rgba(255,255,255,0.06); }
.screen-accent-block { background: rgba(37,160,90,0.15); border-radius: 8px; flex-shrink: 0; }
.screen-item-label {
  text-align: center;
  color: rgba(255,255,255,0.7);
  font-size: 0.78rem;
  margin-top: 12px;
  font-weight: 500;
}

/* ============================================================
   FAQ Section
   ============================================================ */
.faq-section { background: var(--surface-alt); }
.faq-list { max-width: 780px; margin: 48px auto 0; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: 0 2px 8px var(--shadow);
}
.faq-item.open { border-color: var(--primary-light); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  gap: 16px;
  transition: color var(--transition);
  background: none;
  width: 100%;
  text-align: left;
  color: var(--text-primary);
}
.faq-question:hover { color: var(--primary); }
.faq-item.open .faq-question { color: var(--primary); }
.faq-arrow {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--surface-alt);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  transition: all var(--transition);
}
.faq-item.open .faq-arrow { background: var(--primary); color: #fff; transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   Contact Section
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
  margin-top: 48px;
}
.contact-info {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-radius: var(--radius-lg);
  padding: 36px;
  color: #fff;
}
.contact-info h3 { color: #fff; margin-bottom: 8px; }
.contact-info > p { color: rgba(255,255,255,0.7); margin-bottom: 28px; font-size: 0.9rem; }
.contact-detail {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.contact-detail:last-child { border-bottom: none; }
.contact-detail-icon {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.12);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-detail-text small { color: rgba(255,255,255,0.55); font-size: 0.75rem; display: block; }
.contact-detail-text span { color: #fff; font-size: 0.9rem; font-weight: 500; }
.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 2px 12px var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface-alt);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  transition: all var(--transition);
  resize: none;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(37,160,90,0.1);
}
.form-success {
  display: none;
  text-align: center;
  padding: 32px;
  color: var(--primary);
}
.form-success .success-icon { font-size: 3rem; margin-bottom: 12px; }
.form-success h3 { margin-bottom: 8px; }

/* ============================================================
   Download Banner
   ============================================================ */
.download-banner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #0d7a4a 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.download-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(245,166,35,0.12) 0%, transparent 65%);
}
.download-banner h2 { color: #fff; margin-bottom: 12px; position: relative; z-index: 1; }
.download-banner p { color: rgba(255,255,255,0.72); margin-bottom: 32px; position: relative; z-index: 1; }
.download-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }
.store-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.1);
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: var(--radius);
  padding: 14px 24px;
  color: #fff;
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}
.store-btn:hover { background: rgba(255,255,255,0.18); transform: translateY(-3px); }
.store-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}
.store-btn-icon svg, .store-btn-icon img { width: 24px; height: 24px; object-fit: contain; border-radius: 4px; }
.store-btn-text small { display: block; font-size: 0.7rem; opacity: 0.8; line-height: 1.1; }
.store-btn-text strong { font-size: 1.05rem; font-family: var(--font-display); }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .nav-logo { color: #fff; font-size: 1.3rem; margin-bottom: 12px; display: block; }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 260px; }
.footer-col h4 { color: #fff; font-size: 0.9rem; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a {
  color: rgba(255,255,255,0.55);
  font-size: 0.85rem;
  transition: color var(--transition);
  display: flex; align-items: center; gap: 6px;
}
.footer-col ul a:hover { color: var(--accent-light); }
.footer-col ul a::before { content: '→'; font-size: 0.75rem; opacity: 0; transform: translateX(-6px); transition: all var(--transition); }
.footer-col ul a:hover::before { opacity: 1; transform: translateX(0); }
.footer-store-btn {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
  transition: all var(--transition);
  margin-bottom: 10px;
  width: fit-content;
}
.footer-store-btn:hover { background: rgba(255,255,255,0.12); color: #fff; }
.footer-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  border-radius: 3px;
  flex-shrink: 0;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 0.8rem; color: rgba(255,255,255,0.4); transition: color var(--transition); }
.footer-bottom-links a:hover { color: var(--accent-light); }

/* ============================================================
   Scroll Reveal Animations
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.65s ease, transform 0.65s 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; }

/* ============================================================
   Back to Top
   ============================================================ */
#back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.3rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 800;
}
#back-to-top.visible { opacity: 1; pointer-events: auto; }
#back-to-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  :root { --section-pad: 64px 0; }
  .nav-links { display: none; }
  .nav-actions .btn:not(.theme-toggle) { display: none; }
  .nav-actions .language-switch { display: none; }
  .hamburger { display: flex; }
  .navbar { position: relative; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-phones { transform: scale(0.85); }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { min-height: 280px; }
  .roles-grid { grid-template-columns: 1fr; }
  .auth-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
}
@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
  .hero-btns { flex-direction: column; }
  .download-btns { flex-direction: column; align-items: center; }
  .language-select { min-width: 80px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}