/* ==========================================================================
   L | F.I.S. Agency — Premium Digital Production & AI Engineering
   Vanilla CSS Design System (Obsidian Dark Theme + Crisp Alabaster Light Theme)
   ========================================================================== */

:root {
  /* Common typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
}

/* ================= DARK THEME (DEFAULT) ================= */
[data-theme="dark"] {
  --bg-primary: #07090e;
  --bg-secondary: #0d1117;
  --bg-card: rgba(18, 24, 38, 0.72);
  --bg-card-hover: rgba(26, 34, 52, 0.85);
  --bg-surface: #111827;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --border-glow: rgba(99, 102, 241, 0.35);

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-purple: #a855f7;

  --glow-primary: rgba(99, 102, 241, 0.28);
  --glow-cyan: rgba(6, 182, 212, 0.22);
  --glow-orb-1: rgba(99, 102, 241, 0.15);
  --glow-orb-2: rgba(6, 182, 212, 0.12);

  --glass-bg: rgba(13, 17, 23, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: 24px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.3);

  --nav-bg: rgba(7, 9, 14, 0.82);
  --hero-gradient: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.18) 0%, transparent 65%);
}

/* ================= LIGHT THEME (CRISP ALABASTER) ================= */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: rgba(255, 255, 255, 1);
  --bg-surface: #ffffff;

  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-medium: rgba(15, 23, 42, 0.16);
  --border-glow: rgba(79, 70, 229, 0.4);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-subtle: #64748b;

  --accent-primary: #4f46e5;
  --accent-primary-hover: #4338ca;
  --accent-cyan: #0284c7;
  --accent-emerald: #059669;
  --accent-purple: #7c3aed;

  --glow-primary: rgba(79, 70, 229, 0.16);
  --glow-cyan: rgba(2, 132, 199, 0.12);
  --glow-orb-1: rgba(79, 70, 229, 0.08);
  --glow-orb-2: rgba(2, 132, 199, 0.07);

  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(15, 23, 42, 0.09);
  --glass-blur: 24px;

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 32px -10px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 30px rgba(79, 70, 229, 0.18);

  --nav-bg: rgba(248, 250, 252, 0.88);
  --hero-gradient: radial-gradient(circle at 50% 0%, rgba(79, 70, 229, 0.1) 0%, transparent 60%);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
}

/* Ambient glow orbs */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  transition: opacity var(--transition-normal);
}

.glow-1 {
  top: -100px;
  left: 20%;
  width: 500px;
  height: 500px;
  background: var(--glow-orb-1);
}

.glow-2 {
  top: 35%;
  right: -100px;
  width: 550px;
  height: 550px;
  background: var(--glow-orb-2);
}

.glow-3 {
  bottom: 10%;
  left: -150px;
  width: 600px;
  height: 600px;
  background: var(--glow-orb-1);
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Typography elements */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-main);
  letter-spacing: -0.025em;
}

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

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

/* Glassmorphism panel base */
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

.glass-panel-glow {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glow), var(--shadow-md);
}

.glass-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--glass-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 6px 18px;
  font-size: 0.875rem;
  font-weight: 600;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Status indicator pulse */
.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-indicator.live {
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: 0.7; }
}

/* Gradients */
.gradient-text {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-alt {
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, #4338ca 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px var(--glow-primary);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-primary-hover) 0%, #3730a3 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--glow-primary);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-main);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--glow-primary);
}

.btn-glow {
  position: relative;
  overflow: hidden;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.25) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.btn-glow:hover::after {
  opacity: 1;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 15px 30px;
  font-size: 1.0625rem;
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

/* ================= HEADER & NAVBAR ================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

/* Logo mark styling matching logo.jpg */
.brand-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
}

.logo-mark {
  display: flex;
  align-items: baseline;
  gap: 5px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: 0.04em;
  color: var(--text-main);
  line-height: 1;
}

.logo-l {
  font-weight: 800;
}

.logo-pipe {
  font-weight: 300;
  color: var(--accent-primary);
  margin: 0 1px;
}

.logo-fis {
  font-weight: 800;
  letter-spacing: 0.08em;
}

.logo-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.logo-dots {
  color: var(--accent-primary);
  font-size: 0.6rem;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Theme toggle button */
.btn-theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--glass-bg);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  padding: 8px 14px;
  cursor: pointer;
  color: var(--text-main);
  font-size: 0.8125rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-theme-toggle svg {
  width: 17px;
  height: 17px;
  transition: transform var(--transition-fast);
}

.btn-theme-toggle:hover {
  border-color: var(--accent-primary);
  transform: translateY(-1px);
}

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

/* Hamburger button */
.btn-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: var(--glass-bg);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 10px;
}

.btn-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

/* ================= HERO SECTION ================= */
.hero-section {
  padding-top: 150px;
  padding-bottom: 90px;
  background: var(--hero-gradient);
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-title {
  font-size: clamp(2.3rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.hero-desc {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-muted);
  max-width: 620px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  margin-top: 16px;
  border-radius: var(--radius-lg);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-subtle);
}

/* Hero graphic card */
.hero-visual {
  position: relative;
}

.hero-graphic-card {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 6px;
}

.mac-dots {
  display: flex;
  gap: 6px;
}

.mac-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mac-dots .dot.red { background: #ef4444; }
.mac-dots .dot.yellow { background: #f59e0b; }
.mac-dots .dot.green { background: #10b981; }

.card-system-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.badge-status-chip {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.hero-interactive-screen {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  aspect-ratio: 16 / 9;
}

.hero-screen-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-smooth);
}

.hero-graphic-card:hover .hero-screen-img {
  transform: scale(1.03);
}

.screen-overlay-badges {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.floating-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  animation: float 4s ease-in-out infinite;
}

.floating-badge.badge-top-right {
  top: 14px;
  right: 14px;
  animation-delay: 0s;
}

.floating-badge.badge-bottom-left {
  bottom: 14px;
  left: 14px;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.badge-icon {
  font-size: 1.1rem;
}

.badge-title {
  font-weight: 700;
  color: var(--text-main);
}

.badge-sub {
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.hero-code-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  overflow: hidden;
  white-space: nowrap;
}

.code-prompt {
  color: var(--accent-cyan);
  font-weight: 600;
}

.code-text {
  color: var(--text-main);
}

/* ================= SECTION COMMON ================= */
.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  margin-bottom: 56px;
}

.section-header.text-center {
  text-align: center;
}

.section-tag {
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ================= DIRECTIONS / THREE PILLARS ================= */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.pillar-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.pillar-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow), var(--shadow-md);
}

.pillar-badge-category {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 22px 12px;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-primary);
}

.pillar-image-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.pillar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.pillar-card:hover .pillar-img {
  transform: scale(1.06);
}

.pillar-gradient-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, var(--bg-card) 100%);
}

.pillar-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.pillar-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.pillar-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 20px;
  color: var(--text-muted);
}

.tech-stack-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 24px;
}

.tech-chip {
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 4px 9px;
  color: var(--text-main);
}

.pillar-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  flex-grow: 1;
}

.pillar-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.pillar-features li svg {
  width: 16px;
  height: 16px;
  color: var(--accent-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.pillar-cta {
  margin-top: auto;
}

/* ================= SHOWCASE ================= */
.filter-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}

.filter-btn {
  background: var(--glass-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 8px 20px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-main);
  border-color: var(--border-medium);
}

.filter-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  box-shadow: 0 4px 14px var(--glow-primary);
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 40px;
}

.case-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), opacity 0.3s;
}

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

.case-thumb-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.case-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.case-card:hover .case-thumb {
  transform: scale(1.05);
}

.case-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
}

.case-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.case-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.case-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.case-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.case-metric-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.metric-val {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent-emerald);
}

.metric-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* ================= CALCULATOR ================= */
.calc-card {
  padding: 36px;
  border-radius: var(--radius-xl);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.85fr;
  gap: 40px;
  align-items: start;
}

.calc-group {
  margin-bottom: 30px;
}

.calc-label {
  display: block;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-main);
}

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

.calc-radio-card {
  display: flex;
  flex-direction: column;
  padding: 16px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.calc-radio-card input {
  position: absolute;
  opacity: 0;
}

.calc-radio-card:hover {
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.calc-radio-card.active {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.08);
  box-shadow: 0 0 16px var(--glow-primary);
}

.radio-icon {
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.radio-title {
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--text-main);
}

.radio-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Checkbox modules */
.calc-checkbox-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.calc-checkbox-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calc-checkbox-card input {
  position: absolute;
  opacity: 0;
}

.custom-chk {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-medium);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.calc-checkbox-card input:checked + .custom-chk {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.calc-checkbox-card input:checked + .custom-chk::after {
  content: '✓';
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 800;
}

.calc-checkbox-card.active {
  border-color: var(--border-glow);
}

.chk-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.chk-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
}

.chk-price {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent-primary);
}

/* Urgency selector */
.urgency-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.urgency-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.urgency-btn span {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--text-main);
}

.urgency-btn small {
  font-size: 0.6875rem;
  color: var(--text-subtle);
}

.urgency-btn:hover {
  border-color: var(--border-medium);
}

.urgency-btn.active {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.08);
  box-shadow: 0 0 14px var(--glow-primary);
}

/* Calc Result Box */
.calc-result-box {
  padding: 30px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glow);
  background: var(--bg-surface);
}

.calc-result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.result-badge {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.live-dot-pulse {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-emerald);
  animation: pulse-dot 2s infinite;
}

.calc-summary-item {
  margin-bottom: 20px;
}

.summary-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.calc-price-display {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-display);
}

.calc-price-display .currency {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.calc-price-display #calc-total-price {
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--text-main);
  line-height: 1;
  transition: color var(--transition-fast);
}

.calc-price-display .price-suffix {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 600;
}

.calc-days-display {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.calc-days-display svg {
  width: 20px;
  height: 20px;
  color: var(--accent-primary);
}

.calc-benefits-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 24px 0;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.calc-benefit {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.calc-disclaimer {
  margin-top: 14px;
  font-size: 0.72rem;
  color: var(--text-subtle);
  line-height: 1.4;
  text-align: center;
}

/* ================= PROCESS ================= */
.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-card {
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal);
}

.process-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
}

.step-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--accent-primary);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 16px;
}

.step-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ================= FAQ ================= */
.faq-accordion-wrap {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 26px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-main);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--accent-primary);
}

.faq-arrow {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
  color: var(--accent-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  padding: 0 26px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 22px;
}

.faq-answer p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ================= CONTACT ================= */
.contact-card {
  padding: 48px;
  border-radius: var(--radius-xl);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
}

.contact-title {
  font-size: clamp(2rem, 3vw, 2.7rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 16px 0 14px;
}

.contact-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 32px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-method-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.contact-method-item:hover {
  border-color: var(--accent-primary);
  transform: translateX(4px);
}

.method-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.method-icon-wrap svg {
  width: 20px;
  height: 20px;
}

.method-icon-wrap.tg {
  background: rgba(6, 182, 212, 0.15);
  color: #06b6d4;
}

.method-icon-wrap.mail {
  background: rgba(99, 102, 241, 0.15);
  color: #6366f1;
}

.method-icon-wrap.crm {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.method-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-subtle);
  margin-bottom: 2px;
}

.method-val {
  font-weight: 700;
  color: var(--text-main);
}

.method-link {
  font-weight: 700;
  color: var(--accent-emerald);
}

/* Contact form */
.lead-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-input {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 14px var(--glow-primary);
}

.form-calc-attached {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.8125rem;
  color: var(--accent-primary);
  font-weight: 600;
}

.form-privacy {
  font-size: 0.72rem;
  color: var(--text-subtle);
  text-align: center;
  line-height: 1.4;
}

/* ================= FOOTER ================= */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  padding: 80px 0 36px;
  position: relative;
  z-index: 1;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 56px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-brand .brand-tagline {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.footer-about {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 320px;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-main);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

/* Floating TG Button */
.floating-tg-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.45);
  z-index: 99;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.floating-tg-btn svg {
  width: 24px;
  height: 24px;
}

.floating-tg-btn:hover {
  transform: scale(1.1) rotate(6deg);
  box-shadow: 0 12px 30px rgba(6, 182, 212, 0.6);
}

/* Toast container */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  padding: 12px 24px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-glow);
  box-shadow: var(--shadow-md);
  color: var(--text-main);
  font-size: 0.875rem;
  font-weight: 600;
  pointer-events: auto;
  animation: toast-in 0.3s ease-out forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Animations helper */
.animate-fade-in { animation: fadeIn 0.8s ease-out forwards; }
.animate-fade-in-up { animation: fadeInUp 0.8s ease-out forwards; }
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ================= RESPONSIVE MEDIA QUERIES ================= */
@media (max-width: 1080px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-desc {
    margin: 0 auto;
  }

  .hero-buttons {
    justify-content: center;
  }

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

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

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

  .process-steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hide-on-mobile {
    display: none !important;
  }

  .btn-hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }

  .calc-radio-grid {
    grid-template-columns: 1fr;
  }

  .urgency-selector {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .process-steps-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .contact-card, .calc-card {
    padding: 24px 18px;
  }
}