/* ── DESIGN SYSTEM & VARIABLE TOKENS ────────────────────────────────────────── */
:root {
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;

  --bg-main: #070913;
  --bg-surface: rgba(16, 22, 42, 0.45);
  --bg-surface-glow: rgba(16, 22, 42, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);

  --color-primary: #10b981; /* Emerald Green */
  --color-primary-hover: #059669;
  --color-primary-glow: rgba(16, 185, 129, 0.15);

  --color-accent: #8b5cf6; /* Electric Violet */
  --color-accent-hover: #7c3aed;
  --color-accent-glow: rgba(139, 92, 246, 0.25);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dark: #0f172a;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);

  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── BASE & RESET STYLES ────────────────────────────────────────────────────── */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-body);
}

body {
  overflow-x: hidden;
  background: radial-gradient(circle at top left, #0e1227 0%, var(--bg-main) 60%);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

p {
  color: var(--text-secondary);
  line-height: 1.6;
}

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

/* ── UTILITY BUTTONS ───────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  font-family: var(--font-heading);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #059669 100%);
  color: var(--text-primary);
  box-shadow: 0 4px 15px var(--color-primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-glow);
  box-shadow: 0 4px 12px var(--color-primary-glow);
}

.btn-block {
  width: 100%;
}

/* ── HEADER / STICKY NAVBAR ────────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 19, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  font-size: 1.8rem;
  text-shadow: 0 0 10px var(--color-primary);
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.logo-text span {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

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

/* ── HERO SECTION ───────────────────────────────────────────────────────────── */
.hero-section {
  padding: 100px 0 80px 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-content .badge {
  display: inline-flex;
  padding: 6px 14px;
  background: var(--color-primary-glow);
  color: var(--color-primary);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: 3.25rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text-primary) 30%, #a7f3d0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  margin-bottom: 36px;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  border-top: 1px solid var(--border-color);
  padding-top: 32px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-media {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
  border-radius: 12px;
  padding: 6px;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.01));
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

.glow-effect {
  position: absolute;
  top: -20%;
  left: -20%;
  width: 140%;
  height: 140%;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 60%);
  pointer-events: none;
  z-index: -1;
  animation: pulse-glow 8s infinite alternate;
}

@keyframes pulse-glow {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.1); opacity: 0.8; }
}

/* ── COMMON SECTION STYLE ───────────────────────────────────────────────────── */
section {
  padding: 80px 0;
  border-top: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 56px auto;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.05rem;
}

/* ── FEATURES SECTION ───────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 36px;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(16, 185, 129, 0.25);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px var(--color-primary-glow);
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.95rem;
}

/* ── INTERFACE PREVIEW (TABS) ────────────────────────────────────────────────── */
.tab-container {
  max-width: 900px;
  margin: 0 auto;
}

.tab-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1.5px solid var(--border-color);
  padding: 10px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn.active, .tab-btn:hover {
  background: var(--color-primary);
  color: var(--text-dark);
  border-color: var(--color-primary);
  box-shadow: 0 4px 15px var(--color-primary-glow);
}

.tab-content {
  display: none;
  animation: tab-fade-in 0.4s ease forwards;
}

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

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

.preview-card {
  background: var(--bg-surface-glow);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.preview-card h4 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.preview-card p {
  font-size: 1.05rem;
  margin-bottom: 24px;
}

.preview-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.preview-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.preview-list li::before {
  content: '⚡';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 1rem;
}

/* ── ROI CALCULATOR SECTION ─────────────────────────────────────────────────── */
.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.calc-desc {
  font-size: 1.1rem;
  margin: 16px 0 36px 0;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.input-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.input-group input {
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid var(--border-color);
  color: var(--text-primary);
  padding: 14px;
  font-size: 1.05rem;
  border-radius: 8px;
  outline: none;
  transition: var(--transition-smooth);
}

.input-group input:focus {
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 0 10px var(--color-primary-glow);
}

.calc-results-card {
  background: linear-gradient(135deg, rgba(20, 28, 48, 0.75) 0%, rgba(10, 15, 30, 0.9) 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.09);
  border-radius: 20px;
  padding: 44px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.calc-results-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, var(--color-primary-glow) 0%, transparent 60%);
  pointer-events: none;
}

.calc-results-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 32px;
  text-align: center;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 36px;
}

.result-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.result-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.result-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.total-saved-box {
  background: var(--color-primary-glow);
  border: 1.5px solid rgba(16, 185, 129, 0.3);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  margin-bottom: 24px;
}

.total-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #a7f3d0;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.total-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary);
  text-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.pulse-indicator {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

/* ── PRICING SECTION ────────────────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  align-items: center;
}

.pricing-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.2);
}

.pricing-card.highlighted {
  background: linear-gradient(135deg, rgba(20, 28, 48, 0.8) 0%, rgba(13, 19, 38, 0.95) 100%);
  border: 2px solid var(--color-primary);
  box-shadow: 0 8px 30px rgba(16, 185, 129, 0.15);
  transform: scale(1.03);
}

.pricing-card.highlighted:hover {
  box-shadow: 0 12px 40px rgba(16, 185, 129, 0.25);
}

.popular-tag {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--text-dark);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 6px 16px;
  border-radius: 50px;
  letter-spacing: 0.5px;
}

.plan-name {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.price {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}

.plan-desc {
  font-size: 0.9rem;
  margin-bottom: 32px;
  height: 48px;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

.plan-features li {
  position: relative;
  padding-left: 28px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.pricing-card .btn {
  width: 100%;
}

/* ── CONTACT & LEAD FORM ────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}

.contact-desc {
  font-size: 1.15rem;
  margin: 20px 0 36px 0;
}

.contact-bullets {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bullet-item {
  font-size: 1rem;
  font-weight: 500;
}

.contact-form-wrapper {
  background: var(--bg-surface-glow);
  border: 1.5px solid var(--border-color);
  border-radius: 20px;
  padding: 44px;
  box-shadow: var(--shadow-lg);
  min-height: 400px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-form h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 24px;
}

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

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

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input, .form-group select {
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 16px;
  font-size: 0.95rem;
  border-radius: 8px;
  outline: none;
  transition: var(--transition-smooth);
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--color-primary);
  background: rgba(255, 255, 255, 0.07);
}

.form-group select option {
  background: var(--bg-main);
  color: var(--text-primary);
}

.success-toast {
  display: none;
  text-align: center;
  animation: toast-fade 0.5s ease forwards;
}

.success-toast.show {
  display: block;
}

@keyframes toast-fade {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.success-toast h4 {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}

/* ── FOOTER ─────────────────────────────────────────────────────────────────── */
.footer {
  background: #04050a;
  border-top: 1px solid var(--border-color);
  padding: 32px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── RESPONSIVE MOBILE MEDIA QUERIES ────────────────────────────────────────── */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 56px;
  }
  .hero-content h1 {
    font-size: 2.8rem;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-image-wrapper {
    max-width: 460px;
  }

  .calc-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 16px;
  }
  .nav-links {
    gap: 20px;
  }
  .nav-cta {
    display: none;
  }
  .hero-content h1 {
    font-size: 2.3rem;
  }
  .hero-stats {
    flex-wrap: wrap;
    gap: 24px;
  }
  .preview-card {
    padding: 24px;
  }
  .pricing-card.highlighted {
    transform: scale(1);
  }
  .footer-content {
    flex-direction: column;
    gap: 16px;
  }
}