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

:root {
  --dk-primary: #2563eb;
  --dk-primary-light: #3b82f6;
  --dk-primary-dark: #1d4ed8;
  --dk-accent: #f59e0b;
  --dk-accent-light: #fbbf24;
  --dk-dark: #0d0f1a;
  --dk-dark-mid: #161829;
  --dk-white: #ffffff;
  --dk-text: #6b7280;
  --dk-text-light: #9ca3af;
  --dk-heading: #111827;
  --dk-secondary: #94a3b8;
  --dk-light: #f7f8fa;
  --dk-border: #e5e7eb;
  --dk-border-light: #f3f4f6;
  --dk-cta: #FBBF24;
  --dk-cta-dark: #F59E0B;
  --dk-cta-text: #111827;
  --dk-font-primary: 'Sen', sans-serif;
  --dk-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --dk-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.03);
  --dk-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --dk-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
  --dk-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.06);
  --dk-shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.07);
  --dk-shadow-primary: 0 8px 24px rgba(37, 99, 235, 0.15);
  --dk-shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04);
  --dk-shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
  --dk-radius-sm: 0.75rem;
  --dk-radius-md: 1rem;
  --dk-radius-lg: 1.25rem;
  --dk-radius-xl: 1.5rem;
  --dk-radius-2xl: 1.5rem;
  --dk-radius-card: 1.25rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--dk-font-primary);
  color: var(--dk-text);
  line-height: 1.7;
  background-color: var(--dk-white);
  overflow-x: hidden;
  font-size: 1rem;
}

::selection {
  background: rgba(37, 99, 235, 0.1);
  color: var(--dk-heading);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--dk-heading);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

p { margin-bottom: 0; }

a { transition: color 0.2s ease; }

.select-yellow b,
.select-yellow strong {
  background: linear-gradient(135deg, var(--dk-accent) 0%, var(--dk-accent-light) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==================== SECTION LABEL ==================== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--dk-primary);
  margin-bottom: 1.15rem;
}

.section-label::before {
  display: none;
}

/* ==================== NAVBAR ==================== */
.navbar {
  padding: 1.15rem 0;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  background: transparent;
  z-index: 1000;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04), 0 2px 8px rgba(0, 0, 0, 0.03);
  padding: 0.7rem 0;
}

.navbar-brand {
  display: flex;
  align-items: center;
  padding: 0;
}

.navbar-logo {
  height: 32px;
  width: auto;
}

.navbar-nav .nav-link {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--dk-text);
  padding: 0.5rem 1rem !important;
  transition: color 0.2s ease;
  border-radius: 0;
}

.navbar-nav .nav-link:hover {
  color: var(--dk-primary);
  background: transparent;
}

.navbar .btn-primary {
  border-radius: 50rem;
  padding: 0.6rem 1.65rem;
  font-size: 0.88rem;
  font-weight: 700;
  background-color: var(--dk-cta) !important;
  border-color: var(--dk-cta) !important;
  color: var(--dk-cta-text) !important;
}

.navbar .btn-primary:hover {
  background-color: var(--dk-cta-dark) !important;
  border-color: var(--dk-cta-dark) !important;
  color: var(--dk-cta-text) !important;
}

/* ==================== BUTTONS ==================== */
.btn {
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.8rem 2rem;
  border-radius: 50rem;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  letter-spacing: 0;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary,
.btn-primary:focus,
.btn-primary:focus-visible {
  background-color: var(--dk-cta) !important;
  border-color: var(--dk-cta) !important;
  color: var(--dk-cta-text) !important;
  box-shadow: 0 2px 8px rgba(251, 191, 36, 0.25);
}

.btn-primary:hover {
  background-color: var(--dk-cta-dark) !important;
  border-color: var(--dk-cta-dark) !important;
  color: var(--dk-cta-text) !important;
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
  transform: translateY(-1px);
}

.btn-primary:active,
.btn-primary:active:focus {
  background-color: #d97706 !important;
  border-color: #d97706 !important;
  color: var(--dk-cta-text) !important;
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(245, 158, 11, 0.2);
}

.btn-outline-primary {
  border: 1.5px solid var(--dk-border);
  background: transparent;
  color: var(--dk-heading);
  border-radius: 50rem;
}

.btn-outline-primary:hover {
  border-color: var(--dk-primary);
  color: var(--dk-primary);
  background: rgba(37, 99, 235, 0.03);
  transform: translateY(-1px);
  box-shadow: var(--dk-shadow-md);
}

.btn-lg {
  padding: 0.9rem 2.5rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.55rem 1.4rem;
  font-size: 0.85rem;
}

/* ==================== SECTIONS ==================== */
.section {
  padding: 7.5rem 0;
  position: relative;
}

.section-sm { padding: 5rem 0; }
.section-lg { padding: 9rem 0; }

.section-title {
  font-size: 2.75rem;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.section-subtitle {
  font-size: 1.12rem;
  color: var(--dk-text);
  max-width: 560px;
  line-height: 1.75;
}

.bg-gradient-light {
  background: var(--dk-light);
}

.bg-gradient-light .problem-card,
.bg-gradient-light .feature-card {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
}

.bg-gradient-light .problem-card:hover,
.bg-gradient-light .feature-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.bg-dark-section {
  background: var(--dk-dark);
  color: #94a3b8;
}

.bg-dark-section h2,
.bg-dark-section h3,
.bg-dark-section h4 {
  color: #ffffff;
}

.bg-dark-section .text-muted-light {
  color: #94a3b8;
}

.bg-dark-section .section-label {
  color: var(--dk-primary-light);
}

/* ==================== HERO ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--dk-white);
  position: relative;
  overflow: hidden;
  padding-top: 6rem;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 75% 40%, rgba(37, 99, 235, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 80%, rgba(251, 191, 36, 0.02) 0%, transparent 40%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--dk-border-light);
}

.hero h1 {
  font-size: 3.75rem;
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 1.5rem;
  letter-spacing: -0.035em;
  color: var(--dk-heading);
}

.hero h1 strong {
  color: var(--dk-primary);
  font-weight: 800;
}

.hero .lead {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dk-primary);
  margin-bottom: 1.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.hero .lead::before {
  display: none;
}

.hero .hero-desc {
  font-size: 1.12rem;
  color: var(--dk-text);
  max-width: 520px;
  margin-bottom: 0.75rem;
  line-height: 1.75;
}

.hero .hero-emphasis {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--dk-text-light);
  margin-bottom: 2.5rem;
  font-style: italic;
}

.highlight-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 2.75rem;
}

.highlight-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--dk-white);
  border: 1px solid var(--dk-border-light);
  padding: 0.5rem 1.1rem;
  border-radius: 50rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--dk-text);
  transition: all 0.25s ease;
  box-shadow: var(--dk-shadow-xs);
}

.highlight-badge:hover {
  border-color: var(--dk-border);
  color: var(--dk-heading);
  box-shadow: var(--dk-shadow-sm);
  transform: translateY(-1px);
}

.highlight-badge .badge-icon {
  width: 18px;
  height: 18px;
  background: var(--dk-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.highlight-badge .badge-icon svg {
  width: 10px;
  height: 10px;
  stroke: #fff;
  stroke-width: 3;
}

/* ==================== DIVIDER ==================== */
.section-divider {
  width: 100%;
  height: 1px;
  background: var(--dk-border-light);
}

/* ==================== PROBLEM SECTION ==================== */
.problem-card {
  background: var(--dk-white);
  border: none;
  border-radius: var(--dk-radius-card);
  padding: 2.25rem 2rem;
  height: 100%;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--dk-shadow-card);
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  background: transparent;
  transition: none;
  border-radius: 0;
}

.problem-card:hover {
  box-shadow: var(--dk-shadow-card-hover);
  transform: translateY(-4px);
}

.problem-card:hover::before {
  background: transparent;
}

.problem-card .icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: #fef2f2;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.problem-card .icon-wrap svg {
  width: 24px;
  height: 24px;
  stroke: #ef4444;
  stroke-width: 2;
}

.problem-card h4 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--dk-text);
  margin: 0;
  line-height: 1.7;
}

/* ==================== FEATURE CARDS ==================== */
.feature-card {
  background: var(--dk-white);
  border: none;
  border-radius: var(--dk-radius-card);
  padding: 2.25rem 2rem;
  height: 100%;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--dk-shadow-card);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  background: transparent;
  transition: none;
  border-radius: 0;
}

.feature-card:hover {
  box-shadow: var(--dk-shadow-card-hover);
  transform: translateY(-4px);
}

.feature-card:hover::before {
  background: transparent;
}

.feature-card .icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: #eff6ff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.feature-card:hover .icon-wrap {
  background: var(--dk-primary);
}

.feature-card .icon-wrap svg {
  width: 26px;
  height: 26px;
  stroke: var(--dk-primary);
  stroke-width: 2;
  transition: stroke 0.3s ease;
}

.feature-card:hover .icon-wrap svg {
  stroke: #fff;
}

.feature-card h4 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--dk-text);
  margin: 0;
  line-height: 1.7;
}

/* ==================== FLOW / STEPS ==================== */
.step-item {
  display: flex;
  gap: 1.75rem;
  align-items: flex-start;
  padding: 1.5rem 0;
  position: relative;
}

.step-number {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 50%;
  background: var(--dk-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.step-item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 60px;
  width: 2px;
  height: calc(100% - 30px);
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.2) 0%, rgba(37, 99, 235, 0.03) 100%);
}

.step-content h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 0.3rem;
}

.step-content p {
  font-size: 0.92rem;
  margin: 0;
  line-height: 1.65;
}

/* ==================== CODE BLOCK ==================== */
.code-block {
  background: #0d0f1a;
  border-radius: var(--dk-radius-card);
  padding: 2rem 2.25rem;
  overflow-x: auto;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: var(--dk-shadow-xl), inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.code-block::before {
  content: '';
  position: absolute;
  top: 1.1rem;
  left: 1.4rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ef4444;
  box-shadow: 16px 0 0 #f59e0b, 32px 0 0 #22c55e;
}

.code-block pre {
  margin: 0;
  padding-top: 1.5rem;
  color: #e2e8f0;
  font-family: var(--dk-font-mono);
  font-size: 0.82rem;
  line-height: 1.9;
  tab-size: 2;
}

.code-block .comment { color: #475569; font-style: italic; }
.code-block .keyword { color: #c084fc; }
.code-block .string { color: #86efac; }
.code-block .method { color: #93c5fd; }
.code-block .number { color: #fdba74; }
.code-block .property { color: #fde68a; }

.code-block-label {
  position: absolute;
  top: 0.85rem;
  right: 1.15rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #475569;
  background: rgba(13, 15, 26, 0.5);
  padding: 0.2rem 0.7rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  font-family: var(--dk-font-mono);
}

/* ==================== ICP / CERTIFICATE ==================== */
.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--dk-white);
  border: none;
  border-radius: var(--dk-radius-card);
  padding: 1.15rem 1.65rem;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--dk-shadow-card);
}

.cert-badge:hover {
  box-shadow: var(--dk-shadow-card-hover);
  transform: translateY(-3px);
}

.cert-badge .cert-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: #eff6ff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cert-badge .cert-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--dk-primary);
  stroke-width: 2;
}

/* ==================== CHECK LIST ==================== */
.check-list {
  list-style: none;
  padding: 0;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 0.6rem 0;
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--dk-heading);
}

.check-list li .check-icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  border-radius: 50%;
  background: #f0fdf4;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.check-list li .check-icon svg {
  width: 12px;
  height: 12px;
  stroke: #16a34a;
  stroke-width: 3;
}

.bg-dark-section .check-list li .check-icon {
  background: rgba(37, 99, 235, 0.12);
  border-radius: 50%;
}

.bg-dark-section .check-list li .check-icon svg {
  stroke: #93c5fd;
}

.bg-dark-section .check-list li {
  color: #e2e8f0;
}

/* ==================== USE CASES ==================== */
.usecase-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--dk-white);
  border: none;
  border-radius: 50rem;
  padding: 0.6rem 1.25rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--dk-heading);
  transition: all 0.25s ease;
  box-shadow: var(--dk-shadow-card);
}

.usecase-tag svg {
  color: var(--dk-primary);
}

.usecase-tag:hover {
  color: var(--dk-primary);
  transform: translateY(-1px);
  box-shadow: var(--dk-shadow-md);
}

/* ==================== CTA SECTION ==================== */
.cta-section {
  background: var(--dk-dark);
  color: #fff;
  padding: 7.5rem 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 100%;
  background: radial-gradient(ellipse at center top, rgba(37, 99, 235, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.cta-section h2 {
  color: #fff;
  font-size: 2.75rem;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.cta-section p {
  color: #94a3b8;
}

.cta-section .btn-light {
  background-color: var(--dk-cta) !important;
  color: var(--dk-cta-text) !important;
  font-weight: 700;
  padding: 0.95rem 2.75rem;
  border-radius: 50rem;
  border: none !important;
  box-shadow: 0 4px 16px rgba(251, 191, 36, 0.3);
  font-size: 1rem;
}

.cta-section .btn-light:hover {
  background-color: var(--dk-cta-dark) !important;
  color: var(--dk-cta-text) !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245, 158, 11, 0.4);
}

.cta-tagline {
  font-size: 1.15rem;
  color: #d1d5db;
  font-weight: 500;
}

.cta-muted {
  font-size: 0.95rem;
  color: #6b7280;
  font-style: italic;
}

/* ==================== FOOTER ==================== */
.footer {
  background: var(--dk-dark);
  color: #6b7280;
  padding: 5.5rem 0 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer h5 {
  color: #f3f4f6;
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 1.5rem;
  letter-spacing: 0;
}

.footer-logo {
  height: 28px;
  width: auto;
}

.footer .brand-desc {
  font-size: 0.92rem;
  line-height: 1.75;
  color: #6b7280;
  max-width: 300px;
}

.footer a {
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.2s ease;
  font-weight: 500;
}

.footer a:hover {
  color: #f3f4f6;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  padding: 0.35rem 0;
}

.footer-links li a {
  font-size: 0.9rem;
  font-weight: 500;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2.25rem;
  margin-top: 4rem;
}

.footer-bottom p {
  font-size: 0.82rem;
  margin: 0;
  color: #4b5563;
}

/* ==================== BLUE CTA BANNER ==================== */
.cta-banner {
  background: var(--dk-primary);
  border-radius: var(--dk-radius-xl);
  padding: 3.5rem 3.5rem;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(ellipse at 80% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner h3 {
  color: #fff;
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 480px;
}

.cta-banner .btn-cta-yellow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--dk-cta);
  color: var(--dk-cta-text);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 2rem;
  border-radius: 50rem;
  border: none;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
  text-decoration: none;
  white-space: nowrap;
}

.cta-banner .btn-cta-yellow:hover {
  background: var(--dk-cta-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
  color: var(--dk-cta-text);
  text-decoration: none;
}

.cta-banner .btn-cta-yellow svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

@media (max-width: 991.98px) {
  .cta-banner {
    padding: 2.5rem 2rem;
  }

  .cta-banner h3 {
    font-size: 1.4rem;
  }
}

@media (max-width: 767.98px) {
  .cta-banner {
    padding: 2rem 1.5rem;
    text-align: center;
  }

  .cta-banner p {
    max-width: 100%;
  }
}

/* ==================== HERO SVG ILLUSTRATION ==================== */
.hero-illustration {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  margin-top: -2rem;
}

.hero-svg {
  width: 100%;
  height: auto;
  max-width: 700px;
}

@media (prefers-reduced-motion: reduce) {
  .hero-svg * {
    animation: none !important;
  }
  .hero-svg animate,
  .hero-svg animateTransform {
    display: none;
  }
}

/* ==================== ANIMATIONS ==================== */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 991.98px) {
  .hero h1 {
    font-size: 2.75rem;
  }

  .section-title {
    font-size: 2.25rem;
  }

  .hero {
    min-height: auto;
    padding-top: 7rem;
    padding-bottom: 4rem;
  }

  .cta-section h2 {
    font-size: 2.25rem;
  }

  .section {
    padding: 5.5rem 0;
  }
}

@media (max-width: 767.98px) {
  .hero h1 {
    font-size: 2.15rem;
  }

  .section {
    padding: 4rem 0;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .section-lg {
    padding: 5rem 0;
  }

  .highlight-badges {
    gap: 0.4rem;
  }

  .highlight-badge {
    font-size: 0.76rem;
    padding: 0.42rem 0.9rem;
  }

  .cta-section {
    padding: 5rem 0;
  }

  .cta-section h2 {
    font-size: 1.85rem;
  }

  .code-block {
    padding: 1.5rem 1.15rem;
    border-radius: var(--dk-radius-lg);
  }

  .code-block pre {
    font-size: 0.72rem;
  }

  .feature-card,
  .problem-card {
    padding: 1.75rem 1.5rem;
  }

  .btn {
    padding: 0.7rem 1.6rem;
  }

  .btn-lg {
    padding: 0.8rem 2.15rem;
    font-size: 0.92rem;
  }

  .navbar-logo {
    height: 26px;
  }
}