/* ==========================================================================
   PT. TECHNOBEAR KREATIF INDONESIA - MAIN DESIGN SYSTEM
   Modern Dark Cyber & Glassmorphism Aesthetic
   ========================================================================== */

:root {
  --bg-primary: #060913;
  --bg-secondary: #0b1120;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.6);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(34, 211, 238, 0.4);
  --border-card: rgba(148, 163, 184, 0.12);

  --primary: #06b6d4;
  --primary-light: #22d3ee;
  --primary-glow: rgba(6, 182, 212, 0.35);

  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.3);

  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.25);
  --warning: #f59e0b;
  --wa-green: #25d366;
  --wa-glow: rgba(37, 211, 102, 0.3);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dark: #64748b;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  --container-max: 1240px;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Background Glowing Ambient Orbs */
.ambient-glow {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
}

.ambient-glow-1 {
  top: -100px;
  left: 20%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #06b6d4, #6366f1);
}

.ambient-glow-2 {
  top: 40%;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #6366f1, #3b82f6);
}

.ambient-glow-3 {
  bottom: 10%;
  left: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #06b6d4, #10b981);
}

/* Grid Overlay */
.cyber-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

/* Typography Helpers */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

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

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

.gradient-text {
  background: linear-gradient(135deg, #ffffff 15%, var(--primary-light) 65%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.gradient-text-cyan {
  background: linear-gradient(135deg, var(--primary-light), #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  position: relative;
  z-index: 1;
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-full);
  color: var(--primary-light);
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.15);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.1rem;
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.65rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  font-family: var(--font-sans);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #ffffff;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(6, 182, 212, 0.55);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-subtle);
  color: #ffffff;
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-wa {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--wa-glow);
}

.btn-wa:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.1rem 0;
  transition: var(--transition-normal);
}

.navbar.scrolled {
  padding: 0.75rem 0;
  background: rgba(6, 9, 19, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
  min-width: 140px;
}

.brand-logo-img {
  height: 40px;
  width: auto;
  max-height: 40px;
  object-fit: contain;
  filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(34, 211, 238, 0.4));
  transition: var(--transition-fast);
  display: block;
}

.brand-logo:hover .brand-logo-img {
  transform: translateY(-1px) scale(1.03);
  filter: brightness(0) invert(1) drop-shadow(0 0 18px rgba(34, 211, 238, 0.75));
}

.footer-about .brand-logo-img {
  height: 48px;
  max-height: 48px;
  margin-bottom: 0.5rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 0.35rem 0.25rem;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: var(--transition-fast);
  border-radius: 2px;
}

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

.nav-link.nav-link-wa {
  color: var(--wa-green) !important;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.25);
  border-radius: var(--radius-full);
}

.nav-link.nav-link-wa:hover {
  background: rgba(37, 211, 102, 0.2);
  box-shadow: 0 0 12px rgba(37, 211, 102, 0.3);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-actions .btn {
  padding: 0.55rem 1.15rem;
  font-size: 0.825rem;
  white-space: nowrap;
}

.hamburger-btn {
  display: none;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: #ffffff;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 1.15rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.hamburger-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--primary-light);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding-top: 9.5rem;
  padding-bottom: 6rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: var(--radius-full);
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

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

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.4;
    transform: scale(0.85);
  }
}

.hero-title {
  font-size: clamp(2.5rem, 4.5vw, 3.8rem);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.125rem;
  line-height: 1.75;
  margin-bottom: 2.25rem;
  color: var(--text-muted);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

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

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
  background: linear-gradient(135deg, #ffffff, var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 0.25rem;
}

/* Hero Terminal & Mockup Card */
.hero-visual {
  position: relative;
}

.terminal-window {
  background: rgba(11, 17, 32, 0.92);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(6, 182, 212, 0.15);
  backdrop-filter: blur(20px);
  overflow: hidden;
  position: relative;
}

.terminal-header {
  padding: 0.9rem 1.25rem;
  background: rgba(15, 23, 42, 0.8);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.terminal-dot {
  width: 11px;
  height: 11px;
  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: 0.78rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
}

.code-line {
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.code-prompt {
  color: var(--primary-light);
}

.code-cmd {
  color: #f8fafc;
  font-weight: 600;
}

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

.code-success {
  color: var(--success);
}

.code-key {
  color: #38bdf8;
}

.code-val {
  color: #a5f3fc;
}

.floating-service-card {
  position: absolute;
  padding: 1rem 1.25rem;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-focus);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  z-index: 2;
  animation: float-card 4s ease-in-out infinite;
}

.floating-card-1 {
  bottom: -20px;
  left: -20px;
}

.floating-card-2 {
  top: -15px;
  right: -15px;
  animation-delay: 2s;
}

@keyframes float-card {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

.floating-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.floating-icon.wa {
  background: rgba(37, 211, 102, 0.15);
  color: var(--wa-green);
}

.floating-icon.cloud {
  background: rgba(6, 182, 212, 0.15);
  color: var(--primary-light);
}

.floating-info h4 {
  font-size: 0.88rem;
  margin-bottom: 0.1rem;
}

.floating-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-section {
  padding: 6rem 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(14px);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(6, 182, 212, 0.1), transparent 60%);
  opacity: 0;
  transition: var(--transition-normal);
  pointer-events: none;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-focus);
  background: var(--bg-card-hover);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 25px rgba(6, 182, 212, 0.12);
}

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

.service-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--primary-light);
  margin-bottom: 1.5rem;
  transition: var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #ffffff;
  box-shadow: 0 0 20px var(--primary-glow);
}

.service-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  margin-bottom: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.service-features li {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.service-features li i,
.service-features li svg {
  color: var(--primary-light);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-light);
  margin-top: auto;
}

.service-link:hover {
  gap: 0.75rem;
  color: #ffffff;
}

/* ==========================================================================
   INTERACTIVE COST ESTIMATOR / CALCULATOR
   ========================================================================== */
.calculator-section {
  padding: 6rem 0;
  background: linear-gradient(180deg, transparent, rgba(11, 17, 32, 0.6) 50%, transparent);
  position: relative;
}

.calculator-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(20px);
  overflow: hidden;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
}

.calc-inputs {
  padding: 2.75rem 2.5rem;
}

.calc-summary {
  background: rgba(11, 17, 32, 0.85);
  border-left: 1px solid var(--border-card);
  padding: 2.75rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-step {
  margin-bottom: 2rem;
}

.calc-step-label {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-light);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.calc-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.calc-options-grid.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.calc-option {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  flex-direction: column;
}

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

.calc-option:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
}

.calc-option.selected {
  background: rgba(6, 182, 212, 0.12);
  border-color: var(--primary-light);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

.opt-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.opt-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.addons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.addon-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: var(--transition-fast);
}

.addon-card:hover {
  background: rgba(255, 255, 255, 0.06);
}

.addon-card.selected {
  background: rgba(99, 102, 241, 0.12);
  border-color: var(--accent-light);
}

.addon-checkbox {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: transparent;
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.addon-card.selected .addon-checkbox {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.addon-text h5 {
  font-size: 0.85rem;
  font-weight: 600;
}

.addon-text p {
  font-size: 0.72rem;
}

/* Summary Right Column */
.summary-header h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.summary-items {
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px dashed var(--border-subtle);
}

.summary-row .label {
  color: var(--text-muted);
}

.summary-row .val {
  color: #ffffff;
  font-weight: 600;
  text-align: right;
}

.total-box {
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.total-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.total-price {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--primary-light);
}

.total-note {
  font-size: 0.75rem;
  color: var(--text-dark);
  margin-top: 0.25rem;
}

/* ==========================================================================
   WHY CHOOSE US / VALUE PROPOSITION
   ========================================================================== */
.why-us-section {
  padding: 6rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition-normal);
}

.feature-box:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: var(--accent-light);
  margin-bottom: 1.25rem;
}

.feature-box h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.feature-box p {
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ==========================================================================
   TECH STACK ECOSYSTEM
   ========================================================================== */
.tech-stack-section {
  padding: 6rem 0;
}

.stack-categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stack-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.stack-category-card h4 {
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stack-category-card h4 i {
  color: var(--primary-light);
}

.stack-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.stack-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.stack-pill:hover {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--primary-light);
  transform: translateY(-2px);
}

/* ==========================================================================
   WORKFLOW STEPS
   ========================================================================== */
.workflow-section {
  padding: 6rem 0;
  position: relative;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.workflow-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  position: relative;
  transition: var(--transition-normal);
}

.workflow-card:hover {
  border-color: var(--primary-light);
  transform: translateY(-4px);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.1);
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  line-height: 1;
}

.workflow-card h4 {
  font-size: 1.15rem;
  margin-top: 1rem;
  margin-bottom: 0.6rem;
}

.workflow-card p {
  font-size: 0.875rem;
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-section {
  padding: 6rem 0;
}

.faq-container {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item.active {
  border-color: var(--border-focus);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: var(--transition-fast);
  flex-shrink: 0;
  color: var(--primary-light);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--primary);
  color: #ffffff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem 1.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
  padding: 6rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-card-box {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--primary-light);
  flex-shrink: 0;
}

.contact-details h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.contact-details p {
  font-size: 0.9rem;
}

.contact-details a {
  color: var(--primary-light);
}

.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: rgba(11, 17, 32, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.925rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.25);
  background: rgba(15, 23, 42, 0.95);
}

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

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #03060d;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2rem 0;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-about p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 1.25rem;
  color: #ffffff;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

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

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dark);
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON & WIDGET
   ========================================================================== */
.floating-wa-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
}

.floating-wa-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45);
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  animation: pulse-wa 3s infinite;
}

.floating-wa-btn:hover {
  transform: scale(1.08);
}

@keyframes pulse-wa {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }

  70% {
    box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

.wa-modal {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 320px;
  background: #0f172a;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: fadeIn 0.25s ease;
}

.wa-modal.show {
  display: flex;
}

.wa-modal-header {
  background: #128c7e;
  padding: 1rem 1.25rem;
  color: #ffffff;
}

.wa-modal-header h4 {
  font-size: 0.95rem;
  margin-bottom: 0.1rem;
}

.wa-modal-header p {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.85);
}

.wa-modal-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.wa-quick-btn {
  padding: 0.65rem 0.85rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 0.825rem;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
}

.wa-quick-btn:hover {
  background: rgba(37, 211, 102, 0.15);
  border-color: var(--wa-green);
  color: #25d366;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
  }

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

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

  .calc-summary {
    border-left: none;
    border-top: 1px solid var(--border-card);
  }

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

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

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

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

@media (max-width: 1100px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 320px;
    height: 100vh;
    background: rgba(8, 12, 22, 0.98);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 5.5rem 2rem 2rem 2rem;
    gap: 1.25rem;
    border-left: 1px solid var(--border-subtle);
    box-shadow: -20px 0 40px rgba(0, 0, 0, 0.8);
    transform: translateX(110%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 99;
    overflow-y: auto;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-menu .nav-link {
    font-size: 1rem;
    padding: 0.65rem 0;
    display: block;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .nav-menu .nav-link.nav-link-wa {
    display: inline-flex;
    margin-top: 0.25rem;
    width: auto;
  }

  .hamburger-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 101;
  }

  .nav-actions .btn-primary,
  .nav-actions .btn-wa {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    width: 100%;
  }

  .brand-logo-img {
    height: 36px;
    max-height: 36px;
  }

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

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

  .calc-options-grid,
  .calc-options-grid.grid-3,
  .addons-grid {
    grid-template-columns: 1fr;
  }

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

  .stack-categories {
    grid-template-columns: 1fr;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .floating-card-1,
  .floating-card-2 {
    display: none;
  }
}

/* ==========================================================================
   WHATSAPP API GATEWAY ENHANCED MODULES
   ========================================================================== */
.wa-hero-badge {
  background: rgba(37, 211, 102, 0.12);
  border: 1px solid rgba(37, 211, 102, 0.3);
  color: var(--wa-green);
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.2);
}

.wa-hero-dot {
  background-color: var(--wa-green);
  box-shadow: 0 0 10px var(--wa-green);
}

/* Code Playground Box */
.code-playground {
  background: #0b1120;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 35px rgba(37, 211, 102, 0.15);
}

.playground-nav {
  display: flex;
  background: rgba(15, 23, 42, 0.9);
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.tab-btn {
  padding: 0.85rem 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.825rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.tab-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
  color: var(--wa-green);
  border-bottom-color: var(--wa-green);
  background: rgba(37, 211, 102, 0.08);
  font-weight: 700;
}

.tab-pane {
  display: none;
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.65;
  background: #080c18;
  color: #f8fafc;
  overflow-x: auto;
  min-height: 280px;
}

.tab-pane.active {
  display: block;
}

.code-copy-btn {
  position: absolute;
  top: 10px;
  right: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.code-copy-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.15);
}

/* Phone Mockup Simulator */
.phone-mockup-wrapper {
  max-width: 360px;
  margin: 0 auto;
  background: #0f172a;
  border: 8px solid #1e293b;
  border-radius: 40px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(37, 211, 102, 0.2);
  overflow: hidden;
}

.phone-screen {
  background: #0b141a;
  min-height: 520px;
  display: flex;
  flex-direction: column;
}

.phone-header {
  background: #1f2c34;
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.phone-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1rem;
}

.phone-contact-info h5 {
  font-size: 0.88rem;
  color: #e9edef;
  margin-bottom: 0.1rem;
}

.phone-contact-info p {
  font-size: 0.7rem;
  color: #8696a0;
}

.phone-chat-body {
  flex-grow: 1;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
}

.chat-bubble {
  max-width: 85%;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  font-size: 0.825rem;
  line-height: 1.45;
  position: relative;
  word-wrap: break-word;
}

.chat-bubble.in {
  background: #1f2c34;
  color: #e9edef;
  align-self: flex-start;
  border-bottom-left-radius: 2px;
}

.chat-bubble.out {
  background: #005c4b;
  color: #e9edef;
  align-self: flex-end;
  border-bottom-right-radius: 2px;
}

.chat-time {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.6);
  text-align: right;
  margin-top: 0.2rem;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.3rem;
}

.chat-time i {
  color: #53bdeb;
}

.phone-input-bar {
  background: #1f2c34;
  padding: 0.65rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.phone-input-field {
  flex-grow: 1;
  background: #2a3942;
  border: none;
  padding: 0.55rem 0.85rem;
  border-radius: 20px;
  color: #ffffff;
  font-size: 0.825rem;
}

.phone-input-field:focus {
  outline: none;
}

.phone-send-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #00a884;
  border: none;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-normal);
  backdrop-filter: blur(16px);
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: rgba(37, 211, 102, 0.4);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5), 0 0 25px rgba(37, 211, 102, 0.15);
}

.pricing-card.popular {
  border-color: var(--wa-green);
  background: rgba(15, 23, 42, 0.95);
  box-shadow: 0 0 30px rgba(37, 211, 102, 0.25);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #ffffff;
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

.pricing-header h3 {
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
}

.pricing-header p {
  font-size: 0.825rem;
  color: var(--text-muted);
  min-height: 38px;
}

.pricing-price {
  margin: 1.5rem 0;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.price-currency {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
}

.price-period {
  font-size: 0.825rem;
  color: var(--text-dark);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  flex-grow: 1;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
}

.pricing-features li {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.pricing-features li i.fa-circle-check {
  color: var(--wa-green);
  font-size: 0.9rem;
  margin-top: 0.15rem;
}

.pricing-features li.disabled {
  color: var(--text-dark);
  opacity: 0.6;
}

.pricing-features li.disabled i {
  color: var(--text-dark);
}

/* Integrations Grid */
.integrations-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.25rem;
}

.integration-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 1.5rem 1rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: var(--transition-fast);
}

.integration-item:hover {
  transform: translateY(-4px);
  border-color: rgba(37, 211, 102, 0.4);
  background: var(--bg-card-hover);
}

.integration-icon {
  font-size: 2.25rem;
  color: var(--wa-green);
}

.integration-item span {
  font-size: 0.85rem;
  font-weight: 600;
  color: #ffffff;
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .integrations-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 600px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }

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