/* ==========================================================================
   Study Morph — IT Consulting & Software Development
   Modern Dual-Theme System (Light Mode by Default, Dark Mode Toggle)
   Optimized for High Readability, Senior Business Owners & cPanel
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* --- 1. DEFAULT THEME: LIGHT MODE (Sangat Ramah, Kontras Tinggi & Nyaman di Mata) --- */
:root,
body[data-theme="light"] {
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Backgrounds */
  --bg-primary: #F8FAFC;         /* Soft clean slate background */
  --bg-secondary: #F1F5F9;       /* Section alternate background */
  --bg-card: #FFFFFF;            /* Pure crisp white cards */
  --bg-card-hover: #F8FAFC;
  --bg-card-glass: rgba(255, 255, 255, 0.92);
  
  /* Borders */
  --border-subtle: #E2E8F0;      /* Slate 200 */
  --border-card: #CBD5E1;        /* Slate 300 */
  --border-hover: #8B5CF6;

  /* Typography (High Contrast for Senior Stakeholders) */
  --text-primary: #0F172A;       /* Slate 900 - maximum readability */
  --text-secondary: #334155;     /* Slate 700 - high contrast paragraph */
  --text-muted: #64748B;         /* Slate 500 */
  --text-dim: #94A3B8;

  /* Accents */
  --accent-purple: #6D28D9;      /* Accessible deep violet */
  --accent-purple-dark: #5B21B6;
  --accent-cyan: #0284C7;        /* Accessible sky/blue */
  --accent-emerald: #059669;
  --accent-amber: #D97706;

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #6D28D9 0%, #4F46E5 50%, #0284C7 100%);
  --gradient-card: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  --grid-line-color: rgba(15, 23, 42, 0.04);
  --radial-glow-color: rgba(109, 40, 217, 0.06);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 16px 32px -4px rgba(15, 23, 42, 0.1), 0 4px 12px -2px rgba(15, 23, 42, 0.05);
  --shadow-glow: 0 10px 30px -5px rgba(109, 40, 217, 0.18);

  /* Component specifics */
  --nav-bg: rgba(255, 255, 255, 0.88);
  --input-bg: #FFFFFF;
  --input-border: #CBD5E1;
  --badge-bg: #EDE9FE;
  --badge-border: #DDD6FE;
  --badge-text: #5B21B6;

  --browser-frame-bg: #F8FAFC;
  --browser-bar-bg: #E2E8F0;
  --browser-url-bg: #FFFFFF;
  --browser-url-text: #475569;

  --quote-box-bg: #F5F3FF;
  --quote-box-border: #8B5CF6;
  --quote-box-text: #1E293B;

  --banner-bg: linear-gradient(135deg, #1E1B4B 0%, #0F172A 100%);
  --banner-border: #312E81;
  --banner-text: #FFFFFF;

  --footer-bg: #0B0F19;
  --footer-text: #94A3B8;
  --footer-text-primary: #FFFFFF;

  /* Layout & Sizing */
  --max-width: 1240px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- 2. DARK THEME: (Aktif saat user memilih switch ke Dark Mode) --- */
body[data-theme="dark"] {
  /* Backgrounds */
  --bg-primary: #08080C;
  --bg-secondary: #0D0D14;
  --bg-card: #12121A;
  --bg-card-hover: #171722;
  --bg-card-glass: rgba(18, 18, 26, 0.82);
  
  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.12);
  --border-hover: rgba(139, 92, 246, 0.5);

  /* Typography */
  --text-primary: #FFFFFF;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  /* Accents */
  --accent-purple: #8B5CF6;
  --accent-purple-dark: #6D28D9;
  --accent-cyan: #06B6D4;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;

  /* Gradients */
  --gradient-brand: linear-gradient(135deg, #A78BFA 0%, #8B5CF6 45%, #06B6D4 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 100%);
  --grid-line-color: rgba(255, 255, 255, 0.025);
  --radial-glow-color: rgba(139, 92, 246, 0.12);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.2);

  /* Component specifics */
  --nav-bg: rgba(8, 8, 12, 0.86);
  --input-bg: #09090E;
  --input-border: rgba(255, 255, 255, 0.1);
  --badge-bg: rgba(139, 92, 246, 0.12);
  --badge-border: rgba(139, 92, 246, 0.28);
  --badge-text: #C4B5FD;

  --browser-frame-bg: #06060A;
  --browser-bar-bg: #141420;
  --browser-url-bg: #0A0A10;
  --browser-url-text: #A1A1AA;

  --quote-box-bg: rgba(139, 92, 246, 0.08);
  --quote-box-border: #8B5CF6;
  --quote-box-text: #E2E8F0;

  --banner-bg: linear-gradient(135deg, rgba(30, 20, 50, 0.85) 0%, rgba(15, 15, 24, 0.95) 100%);
  --banner-border: rgba(139, 92, 246, 0.35);
  --banner-text: #FFFFFF;

  --footer-bg: #050508;
  --footer-text: #A1A1AA;
  --footer-text-primary: #FFFFFF;
}

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

html {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
  overflow-wrap: break-word;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

body {
  min-height: 100vh;
  line-height: 1.7;
  overflow-x: hidden;
  max-width: 100%;
  position: relative;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  overflow-wrap: break-word;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

p, a, span, h1, h2, h3, h4, h5, h6, li, em, strong {
  overflow-wrap: break-word;
}

/* Background Subtle Grid */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    radial-gradient(circle at 50% 0%, var(--radial-glow-color) 0%, transparent 60%),
    linear-gradient(var(--grid-line-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-color) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
  pointer-events: none;
  z-index: 0;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 24px;
  position: relative;
  z-index: 1;
}

/* --- Logo Theme Adaptation --- */
/* In Light Mode: show dark-text logo, hide white-text logo */
body[data-theme="light"] .brand-logo .dark-logo,
:root:not([data-theme="dark"]) .brand-logo .dark-logo {
  display: none !important;
}
body[data-theme="light"] .brand-logo .light-logo,
:root:not([data-theme="dark"]) .brand-logo .light-logo {
  display: block !important;
}

/* In Dark Mode: show white-text logo, hide dark-text logo */
body[data-theme="dark"] .brand-logo .light-logo {
  display: none !important;
}
body[data-theme="dark"] .brand-logo .dark-logo {
  display: block !important;
}

/* Footer always uses dark-background logo */
.site-footer .brand-logo .light-logo {
  display: none !important;
}
.site-footer .brand-logo .dark-logo {
  display: block !important;
}

/* --- Theme Toggle Switch Button --- */
.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 9999px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

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

.theme-icon-sun,
.theme-icon-moon {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Light mode shows moon icon (click to switch to dark) */
body[data-theme="light"] .theme-icon-sun,
:root:not([data-theme="dark"]) .theme-icon-sun {
  display: none;
}
body[data-theme="light"] .theme-icon-moon,
:root:not([data-theme="dark"]) .theme-icon-moon {
  display: flex;
  color: #4F46E5;
}

/* Dark mode shows sun icon (click to switch to light) */
body[data-theme="dark"] .theme-icon-moon {
  display: none;
}
body[data-theme="dark"] .theme-icon-sun {
  display: flex;
  color: #F59E0B;
}

.theme-label-text {
  font-size: 0.82rem;
}

/* --- Typography Helpers --- */
.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 9999px;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--badge-text);
  box-shadow: var(--shadow-sm);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px auto;
}

.section-header.left {
  text-align: left;
  margin-inline: 0;
}

.section-title {
  font-size: clamp(2.1rem, 3.8vw, 3.1rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-top: 14px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-description {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* --- Navigation Bar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo img {
  height: 38px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.96rem;
  font-weight: 600;
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-purple);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gradient-brand);
  transition: var(--transition-fast);
  border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

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

/* Hamburger button for mobile */
.nav-toggle {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* Mobile Nav Drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-subtle);
  padding: 24px;
  flex-direction: column;
  gap: 18px;
  z-index: 999;
  box-shadow: var(--shadow-lg);
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav a {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding-block: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--accent-purple);
  padding-left: 6px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 700;
  font-size: 0.98rem;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
  max-width: 100%;
}

.portfolio-explore-btn {
  padding: 14px 32px;
  font-size: 1.05rem;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(109, 40, 217, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(109, 40, 217, 0.45);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-purple);
  color: var(--accent-purple);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-sm {
  padding: 9px 18px;
  font-size: 0.88rem;
  border-radius: var(--radius-sm);
}

.btn-whatsapp {
  background: #128C7E;
  color: #FFFFFF;
  border: 1px solid #25D366;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.28);
}

.btn-whatsapp:hover {
  background: #075E54;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
}

/* --- Hero Section & Three.js Canvas --- */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  overflow: hidden;
  z-index: 1;
  pointer-events: auto;
}

#hero-three-canvas {
  width: 100% !important;
  max-width: 100% !important;
  height: 100% !important;
  display: block;
}

.hero-overlay-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 160px;
  background: linear-gradient(to bottom, transparent, var(--bg-primary));
  z-index: 2;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 3;
}

.hero-content {
  max-width: 640px;
}

.hero-headline {
  font-size: clamp(2.5rem, 4.8vw, 4.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-top: 20px;
  margin-bottom: 22px;
  color: var(--text-primary);
}

.hero-subheadline {
  font-size: clamp(1.1rem, 1.35vw, 1.3rem);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 34px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-metrics {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.hero-interactive-card {
  position: relative;
  background: var(--bg-card-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 30px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: float-card 6s ease-in-out infinite;
}

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.card-terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

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

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background-color: #EF4444; }
.dot-yellow { background-color: #F59E0B; }
.dot-green { background-color: #10B981; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
}

.terminal-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.system-flow-step {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  transition: var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.system-flow-step:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-purple);
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.flow-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(109, 40, 217, 0.12);
  color: var(--accent-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.flow-info {
  flex-grow: 1;
}

.flow-tag {
  font-size: 0.74rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  text-transform: uppercase;
  font-weight: 700;
}

.flow-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* --- Trust / Value Section --- */
.section {
  padding-block: 100px;
  position: relative;
  z-index: 2;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: var(--transition-smooth);
}

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

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

.value-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(109, 40, 217, 0.1);
  color: var(--accent-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.value-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.value-description {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* --- Services Section --- */
#services {
  position: relative;
}

body[data-theme="dark"] #services {
  background: rgba(14, 14, 22, 0.5);
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

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

.service-card.featured {
  grid-column: span 2;
  border-color: rgba(109, 40, 217, 0.35);
}

.service-header {
  margin-bottom: 22px;
}

.service-icon-wrap {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: rgba(109, 40, 217, 0.1);
  color: var(--accent-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border: 1px solid var(--border-subtle);
}

.service-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.service-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: 24px;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.service-features li {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.service-features li svg {
  color: var(--accent-cyan);
  flex-shrink: 0;
}

/* --- How We Work (Process Section) --- */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  position: relative;
  margin-top: 40px;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 42px;
  left: 5%;
  width: 90%;
  height: 2px;
  background: linear-gradient(90deg, #6D28D9, #0284C7, #059669);
  opacity: 0.3;
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.process-step:hover {
  transform: translateY(-5px);
  border-color: var(--accent-purple);
  box-shadow: var(--shadow-md);
}

.step-number {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--accent-purple);
  color: var(--accent-purple);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.step-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* --- Product Catalog Grid & Showcase --- */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
  margin-bottom: 48px;
}

.catalog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  position: relative;
}

.catalog-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-purple);
  box-shadow: var(--shadow-lg), 0 10px 25px -5px rgba(109, 40, 217, 0.12);
}

.catalog-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--browser-frame-bg);
  border-bottom: 1px solid var(--border-subtle);
}

.catalog-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.catalog-card:hover .catalog-visual img {
  transform: scale(1.05);
}

.catalog-status-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(15, 23, 42, 0.85);
  color: #FFFFFF;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.catalog-status-badge .badge-dot {
  width: 6px;
  height: 6px;
}

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

.catalog-category {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent-purple);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 6px;
}

.catalog-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.3;
}

.catalog-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
  flex: 1;
}

.catalog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.catalog-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.catalog-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.catalog-btn-primary {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 14px;
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: var(--gradient-brand);
  color: #FFFFFF;
  transition: var(--transition-fast);
}

.catalog-btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.catalog-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 9px 12px;
  font-size: 0.84rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.catalog-btn-secondary:hover {
  border-color: var(--accent-purple);
  color: var(--accent-purple);
}

/* --- Featured Portfolio Showcase Section --- */
#portfolio {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.portfolio-container {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.portfolio-card-large {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  position: relative;
}

.portfolio-card-large::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: var(--transition-smooth);
}

.portfolio-card-large:hover::after {
  opacity: 1;
}

.portfolio-card-large.reverse {
  grid-template-columns: 0.85fr 1.15fr;
}

.portfolio-card-large.reverse .portfolio-visual {
  order: 2;
}

.portfolio-card-large.reverse .portfolio-info {
  order: 1;
}

.portfolio-card-large:hover {
  border-color: var(--accent-purple);
  box-shadow: var(--shadow-lg), 0 12px 30px -10px rgba(109, 40, 217, 0.15);
}

/* Browser Mockup Frame */
.portfolio-visual {
  background: var(--browser-frame-bg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--border-subtle);
}

.portfolio-card-large.reverse .portfolio-visual {
  border-right: none;
  border-left: 1px solid var(--border-subtle);
}

.browser-mockup {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-card);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
}

.browser-mockup:hover {
  transform: scale(1.02);
  border-color: var(--accent-purple);
}

.browser-bar {
  background: var(--browser-bar-bg);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

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

.browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.browser-url {
  background: var(--browser-url-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--browser-url-text);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-grow: 1;
  max-width: 400px;
  min-width: 0;
  overflow: hidden;
}

.browser-url span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  max-width: 100%;
  display: inline-block;
}

.browser-content {
  overflow: hidden;
  background: var(--bg-card);
}

.browser-content img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.browser-mockup:hover .browser-content img {
  transform: scale(1.03);
}

.zoom-hint {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #FFFFFF;
  font-size: 0.92rem;
  font-weight: 700;
  opacity: 0;
  transition: var(--transition-fast);
  backdrop-filter: blur(4px);
}

.browser-mockup:hover .zoom-hint {
  opacity: 1;
}

/* Portfolio Details Side */
.portfolio-info {
  padding: 42px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.portfolio-cat {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-purple);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  margin-bottom: 8px;
}

.portfolio-name {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.portfolio-summary {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.65;
  margin-bottom: 24px;
}

.portfolio-highlights {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 26px;
}

.highlight-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  transition: var(--transition-fast);
}

.highlight-title {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--accent-purple);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.highlight-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* High-contrast Problem Highlight */
.highlight-box.highlight-problem {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
}
.highlight-box.highlight-problem .highlight-title {
  color: #B45309;
}
body[data-theme="dark"] .highlight-box.highlight-problem {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.28);
}
body[data-theme="dark"] .highlight-box.highlight-problem .highlight-title {
  color: #FBBF24;
}

/* High-contrast Solution Highlight */
.highlight-box.highlight-solution {
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
}
.highlight-box.highlight-solution .highlight-title {
  color: #047857;
}
body[data-theme="dark"] .highlight-box.highlight-solution {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.28);
}
body[data-theme="dark"] .highlight-box.highlight-solution .highlight-title {
  color: #34D399;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.tech-tag:hover {
  background: var(--badge-bg);
  border-color: var(--accent-purple);
  color: var(--accent-purple);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(109, 40, 217, 0.15);
}

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

/* Secondary Thumbnails Row */
.preview-thumbnails {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

.thumb-card {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.thumb-card:hover {
  border-color: var(--accent-purple);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.thumb-card img {
  width: 100%;
  height: 94px;
  object-fit: cover;
  display: block;
}

.thumb-caption {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 10px;
  background: var(--browser-bar-bg);
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* --- Strategic Advantage & Comparison Section --- */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 28px;
}

.comparison-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: var(--transition-fast);
}

.comparison-card.card-saas {
  border-color: rgba(239, 68, 68, 0.25);
  background: linear-gradient(180deg, rgba(239, 68, 68, 0.03) 0%, var(--bg-card) 100%);
}

.comparison-card.card-studymorph {
  border-color: rgba(16, 185, 129, 0.35);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.04) 0%, var(--bg-card) 100%);
  box-shadow: 0 10px 30px -10px rgba(16, 185, 129, 0.15);
}

.comparison-header {
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.badge-warning {
  background: rgba(239, 68, 68, 0.1);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.badge-success {
  background: rgba(16, 185, 129, 0.12);
  color: #10B981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.comparison-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.comparison-subtitle {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.comparison-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.comparison-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.comparison-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 900;
  flex-shrink: 0;
  margin-top: 2px;
}

.icon-cross {
  background: rgba(239, 68, 68, 0.15);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.icon-check {
  background: rgba(16, 185, 129, 0.15);
  color: #10B981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.comparison-list strong {
  display: block;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.comparison-list p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* 3 Core Impact Metrics underneath */
.advantage-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.adv-metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  text-align: left;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.adv-metric-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-purple);
  box-shadow: var(--shadow-md);
}

.adv-metric-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(109, 40, 217, 0.1);
  color: var(--accent-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.adv-metric-val {
  font-size: 1.45rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.adv-metric-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.adv-metric-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}

/* --- About & Why Study Morph Section --- */
#about {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-top: 14px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.about-text h3 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  color: var(--text-primary);
}

.about-text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 18px;
}

.quote-box {
  background: var(--quote-box-bg);
  border: 1px solid rgba(109, 40, 217, 0.15);
  border-left: 4px solid var(--quote-box-border);
  padding: 18px 22px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: 26px;
  box-shadow: var(--shadow-sm);
}

body[data-theme="dark"] .quote-box {
  border-color: rgba(139, 92, 246, 0.2);
  border-left-color: var(--quote-box-border);
}

.quote-box p {
  color: var(--quote-box-text);
  font-style: italic;
  font-weight: 600;
  font-size: 1.12rem;
  line-height: 1.6;
  margin-bottom: 0;
}

.why-features {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.why-feature-item {
  display: flex;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
  position: relative;
}

.why-feature-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
}

.why-feature-item.item-purple:hover {
  border-color: var(--accent-purple);
}

.why-feature-item.item-cyan:hover {
  border-color: var(--accent-cyan);
}

.why-feature-item.item-emerald:hover {
  border-color: var(--accent-emerald);
}

.why-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.why-feature-item:hover .why-icon {
  transform: scale(1.08);
}

/* Why Icon Variants */
.why-icon.icon-purple {
  background: rgba(109, 40, 217, 0.1);
  color: var(--accent-purple);
  border: 1px solid rgba(109, 40, 217, 0.18);
}
body[data-theme="dark"] .why-icon.icon-purple {
  background: rgba(139, 92, 246, 0.14);
  color: #C4B5FD;
  border-color: rgba(139, 92, 246, 0.28);
}

.why-icon.icon-cyan {
  background: rgba(2, 132, 199, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(2, 132, 199, 0.18);
}
body[data-theme="dark"] .why-icon.icon-cyan {
  background: rgba(6, 182, 212, 0.14);
  color: #67E8F9;
  border-color: rgba(6, 182, 212, 0.28);
}

.why-icon.icon-emerald {
  background: rgba(5, 150, 105, 0.1);
  color: var(--accent-emerald);
  border: 1px solid rgba(5, 150, 105, 0.18);
}
body[data-theme="dark"] .why-icon.icon-emerald {
  background: rgba(16, 185, 129, 0.14);
  color: #6EE7B7;
  border-color: rgba(16, 185, 129, 0.28);
}

.why-info h4 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.why-info p {
  color: var(--text-secondary);
  font-size: 0.94rem;
  line-height: 1.6;
}

/* --- Project Inquiry & Contact Section --- */
.contact-section-wrap {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding-block: 100px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}

.contact-info-side {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-meta-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 30px;
}

.contact-meta-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
}

.contact-meta-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(109, 40, 217, 0.1);
  color: var(--accent-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-meta-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-weight: 700;
}

.contact-meta-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Inquiry Form */
.inquiry-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-label span {
  color: var(--accent-purple);
}

.form-control {
  width: 100%;
  background: var(--input-bg);
  border: 1.5px solid var(--input-border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text-primary);
  outline: none;
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(109, 40, 217, 0.2);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Service Options Radio Group */
.service-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.service-pill-label {
  cursor: pointer;
}

.service-pill-label input {
  display: none;
}

.service-pill-text {
  display: block;
  padding: 9px 18px;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.service-pill-label input:checked + .service-pill-text {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(109, 40, 217, 0.35);
}

.form-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 10px;
}

/* Success status toast */
.form-toast {
  display: none;
  background: rgba(16, 185, 129, 0.15);
  border: 1.5px solid var(--accent-emerald);
  color: #065F46;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 20px;
  align-items: center;
  gap: 12px;
}

body[data-theme="dark"] .form-toast {
  color: #A7F3D0;
}

.form-toast.show {
  display: flex;
}

/* --- CTA Banner --- */
.cta-banner-wrap {
  padding-block: 80px;
  position: relative;
}

.cta-banner {
  background: var(--banner-bg);
  border: 1px solid var(--banner-border);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  color: var(--banner-text);
}

.cta-banner h2 {
  font-size: clamp(2.2rem, 3.5vw, 3rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.cta-banner p {
  color: #CBD5E1;
  font-size: 1.15rem;
  max-width: 640px;
  margin: 0 auto 36px auto;
  line-height: 1.7;
}

.cta-banner-buttons {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

/* --- Footer --- */
.site-footer {
  background: var(--footer-bg);
  border-top: 1px solid var(--border-subtle);
  padding-top: 80px;
  padding-bottom: 40px;
  color: var(--footer-text);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--footer-text);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-top: 16px;
  margin-bottom: 24px;
  max-width: 320px;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--footer-text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--footer-text);
  font-size: 0.94rem;
}

.footer-links a:hover {
  color: var(--footer-text-primary);
  padding-left: 4px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--footer-text);
  transition: var(--transition-fast);
}

.social-btn:hover {
  color: #FFFFFF;
  border-color: var(--accent-purple);
  background: rgba(139, 92, 246, 0.2);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.88rem;
  color: var(--footer-text);
}

/* --- Lightbox Modal for Screenshots --- */
.lightbox-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 2000;
  padding: 40px 20px;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox-modal.active {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  position: relative;
  max-width: 1200px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  background: #0E0E14;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9);
}

.lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: #14141E;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.lightbox-title {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 10px;
}

.lightbox-close {
  background: transparent;
  border: none;
  color: #A1A1AA;
  font-size: 1.6rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  line-height: 1;
}

.lightbox-close:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.1);
}

.lightbox-body {
  overflow-y: auto;
  max-height: calc(90vh - 60px);
  padding: 16px;
  display: flex;
  justify-content: center;
  background: #09090E;
}

.lightbox-body img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* --- Floating WhatsApp CTA Button --- */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 990;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #FFFFFF;
  padding: 14px 22px 14px 18px;
  border-radius: 9999px;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
  transition: var(--transition-fast);
}

.floating-whatsapp:hover {
  transform: translateY(-3px) scale(1.02);
  background: #1EBE5D;
  box-shadow: 0 12px 36px rgba(37, 211, 102, 0.6);
}

/* --- Case Study Detail Pages Specifics --- */
.case-study-hero {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 60px;
  background: radial-gradient(circle at 50% 20%, rgba(109, 40, 217, 0.08) 0%, transparent 60%);
}

.case-study-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.case-study-nav-back:hover {
  color: var(--accent-purple);
  transform: translateX(-4px);
}

.case-study-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  margin-top: 40px;
}

.case-study-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.case-study-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 34px;
  margin-bottom: 30px;
  box-shadow: var(--shadow-sm);
}

.case-study-card h3 {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.case-study-card p {
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.case-study-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}

.sidebar-box-title {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 10px;
}

.meta-spec-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.meta-spec-item {
  display: flex;
  flex-direction: column;
}

.meta-spec-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-weight: 700;
}

.meta-spec-val {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .hero-canvas-container {
    opacity: 0.45;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.3) 35%, rgba(0,0,0,0.85) 70%, rgba(0,0,0,1) 100%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.3) 35%, rgba(0,0,0,0.85) 70%, rgba(0,0,0,1) 100%);
  }
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-content {
    max-width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 5;
  }
  .hero-headline {
    text-shadow: 0 1px 18px var(--bg-primary);
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-metrics {
    justify-content: center;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 18px 24px;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    margin: 24px auto 0;
    max-width: 440px;
    position: relative;
    z-index: 6;
  }
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .service-card {
    min-width: 0;
    max-width: 100%;
  }
  .service-card.featured {
    grid-column: span 2;
  }
  .process-timeline {
    grid-template-columns: repeat(3, 1fr);
  }
  .process-timeline::before {
    display: none;
  }
  .portfolio-card-large,
  .portfolio-card-large.reverse {
    grid-template-columns: minmax(0, 1fr);
    min-width: 0;
    max-width: 100%;
  }
  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
  .portfolio-card-large.reverse .portfolio-visual {
    order: 1;
    border-left: none;
    border-bottom: 1px solid var(--border-subtle);
  }
  .portfolio-card-large.reverse .portfolio-info {
    order: 2;
  }
  .portfolio-visual {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    min-width: 0;
    max-width: 100%;
  }
  .portfolio-info {
    min-width: 0;
    max-width: 100%;
  }
  .comparison-grid,
  .advantage-metrics-grid,
  .tech-categories-grid {
    grid-template-columns: 1fr;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
    min-width: 0;
    max-width: 100%;
  }
  .contact-info-side,
  .inquiry-form-card {
    min-width: 0;
    max-width: 100%;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
  .case-study-grid {
    grid-template-columns: minmax(0, 1fr);
    min-width: 0;
    max-width: 100%;
  }
  .case-study-body,
  .case-study-sidebar {
    min-width: 0;
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-actions .btn-sm {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .mobile-nav {
    display: flex;
  }
  .values-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .service-card {
    padding: 26px 20px;
  }
  .service-card.featured {
    grid-column: span 1;
  }
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
  .catalog-body {
    padding: 20px 18px;
  }
  .portfolio-visual {
    padding: 16px;
  }
  .portfolio-info {
    padding: 24px 18px;
  }
  .browser-mockup,
  .browser-bar,
  .browser-content {
    min-width: 0;
    max-width: 100%;
  }
  .browser-bar {
    padding: 8px 10px;
    gap: 8px;
  }
  .browser-url {
    padding: 4px 8px;
    font-size: 0.72rem;
  }
  .preview-thumbnails {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 10px;
    min-width: 0;
    max-width: 100%;
  }
  .thumb-card {
    min-width: 0;
    max-width: 100%;
  }
  .thumb-caption {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.72rem;
  }
  .case-study-card {
    padding: 24px 18px;
    min-width: 0;
    max-width: 100%;
  }
  .sidebar-box {
    padding: 20px 16px;
    min-width: 0;
    max-width: 100%;
  }
  .case-study-stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .hero-metrics {
    flex-wrap: wrap;
    gap: 16px 24px;
  }
  .hero-interactive-card {
    padding: 20px 16px;
    min-width: 0;
    max-width: 100%;
  }
  .btn {
    white-space: normal;
    text-align: center;
  }
  .portfolio-explore-btn {
    padding: 12px 20px;
    font-size: 0.95rem;
    width: 100%;
  }
  .form-group-row {
    grid-template-columns: 1fr;
  }
  .inquiry-form-card {
    padding: 24px 18px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
  .floating-whatsapp span {
    display: none;
  }
  .floating-whatsapp {
    padding: 12px;
    border-radius: 50%;
  }
}

@media (max-width: 640px) {
  .catalog-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }
  .catalog-body {
    padding: 20px 16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: 16px;
  }
  .process-timeline {
    grid-template-columns: 1fr;
  }
  .preview-thumbnails {
    grid-template-columns: 1fr;
  }
  .portfolio-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .portfolio-actions .btn {
    width: 100%;
  }
  .inquiry-form-card {
    padding: 20px 14px;
  }
  .service-pill-text {
    padding: 7px 12px;
    font-size: 0.8rem;
  }
  .contact-meta-item {
    padding: 14px 16px;
    gap: 12px;
  }
  .contact-meta-val {
    word-break: break-all;
    font-size: 0.9rem;
  }
  .meta-spec-val {
    word-break: break-all;
  }
  .floating-whatsapp {
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 380px) {
  .contact-meta-item {
    padding: 12px 12px;
    gap: 8px;
  }
  .contact-meta-val {
    font-size: 0.84rem;
  }
}