/* === ALP CAPITAL - DESIGN SYSTEM === */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* === RESET & BASE === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --navy-950: #060e1a;
  --navy-900: #0a1628;
  --navy-800: #0f1d35;
  --navy-700: #152544;
  --navy-600: #1b3056;
  --navy-500: #223d68;
  --navy-400: #2a4a7a;
  --gold: #c8963e;
  --gold-light: #d4a853;
  --gold-dark: #a8782e;
  --gold-dim: #8e6528;
  --white: #ffffff;
  --gray-100: #f0f2f5;
  --gray-200: #dde1e8;
  --gray-300: #bcc3d2;
  --gray-400: #8b95a8;
  --gray-500: #5a657c;
  --gray-600: #3a4558;
  --teal: #14b8a6;
  --teal-dark: #0d9488;
  --red: #ef4444;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-gold: 0 4px 24px rgba(200,150,62,0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--navy-950);
  color: var(--gray-200);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--gold);
  color: var(--navy-950);
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--navy-900); }
::-webkit-scrollbar-thumb { background: var(--navy-500); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--navy-400); }

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; color: var(--white); }
h1 { font-size: 3.5rem; letter-spacing: -0.02em; }
h2 { font-size: 2.5rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

a { color: var(--gold-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold); }

/* === NAVIGATION === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 2rem;
  transition: all var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(6, 14, 26, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(200, 150, 62, 0.1);
  box-shadow: var(--shadow-lg);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy-950);
  flex-shrink: 0;
}

.nav-logo-text {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.nav-logo-text span { color: var(--gold-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--gray-300);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  padding: 0.25rem 0;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}

.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.5rem;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy-950) !important;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.nav-cta:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

.nav-cta::after { display: none !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 2rem 80px;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200, 150, 62, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 150, 62, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
}

.hero-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.07;
}

.hero-bg-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--gold);
  top: -200px;
  right: -100px;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero-bg-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--teal);
  bottom: -100px;
  left: -100px;
  animation: orbFloat 10s ease-in-out infinite reverse;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(200, 150, 62, 0.1);
  border: 1px solid rgba(200, 150, 62, 0.2);
  border-radius: 100px;
  color: var(--gold-light);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero-tag-dot {
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: 3.75rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--white);
}

.hero-title-gold { color: var(--gold-light); display: block; }

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  font-family: var(--font-sans);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--navy-950);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(200, 150, 62, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid var(--navy-500);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-stack {
  position: relative;
  width: 380px;
  height: 420px;
}

.hero-card {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--navy-600);
  overflow: hidden;
}

.hero-card-1 {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-700));
  top: 0;
  left: 0;
  z-index: 3;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-card-2 {
  background: linear-gradient(135deg, var(--navy-700), var(--navy-600));
  top: 20px;
  left: 20px;
  z-index: 2;
  transform: rotate(3deg);
}

.hero-card-3 {
  background: linear-gradient(135deg, var(--navy-600), var(--navy-500));
  top: 40px;
  left: 40px;
  z-index: 1;
  transform: rotate(6deg);
}

.hero-card-chip {
  display: inline-flex;
  padding: 0.3rem 0.8rem;
  background: rgba(20, 184, 166, 0.15);
  color: var(--teal);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.hero-card-value {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.hero-card-value-unit {
  font-size: 1.25rem;
  color: var(--gold-light);
  font-weight: 600;
}

.hero-card-bar {
  height: 6px;
  background: var(--navy-600);
  border-radius: 3px;
  overflow: hidden;
  width: 100%;
}

.hero-card-bar-fill {
  height: 100%;
  width: 78%;
  background: linear-gradient(90deg, var(--teal), var(--gold));
  border-radius: 3px;
}

.hero-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.hero-card-mini {
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.hero-card-mini-label {
  font-size: 0.7rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.hero-card-mini-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}

/* === STATS BAR === */
.stats-bar {
  max-width: 1280px;
  margin: -60px auto 0;
  padding: 0 2rem;
  position: relative;
  z-index: 10;
}

.stats-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--navy-600);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.stat-item {
  background: var(--navy-800);
  padding: 2rem 1.5rem;
  text-align: center;
  border: 1px solid rgba(200, 150, 62, 0.05);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
}

.stat-value-suffix { color: var(--gold-dim); font-size: 1.5rem; }

.stat-label {
  font-size: 0.85rem;
  color: var(--gray-400);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* === SECTIONS === */
.section {
  padding: 100px 2rem;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(200, 150, 62, 0.06);
  border: 1px solid rgba(200, 150, 62, 0.12);
  border-radius: 100px;
  color: var(--gold-light);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray-400);
  line-height: 1.7;
}

.section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

/* === SERVICES === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--navy-800);
  border: 1px solid var(--navy-600);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--teal));
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: var(--navy-400);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

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

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(200, 150, 62, 0.15), rgba(200, 150, 62, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  color: var(--gold-light);
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--gray-400);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--gray-300);
}

.service-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
}

/* === APPROACH === */
.approach-section {
  background: var(--navy-900);
  border-top: 1px solid var(--navy-600);
  border-bottom: 1px solid var(--navy-600);
}

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

.approach-card {
  background: var(--navy-800);
  border: 1px solid var(--navy-600);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  transition: all var(--transition);
}

.approach-card:hover {
  border-color: var(--gold-dim);
  box-shadow: var(--shadow-gold);
}

.approach-num {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--navy-600), var(--navy-500));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--gold-light);
  flex-shrink: 0;
  font-family: var(--font-mono);
}

.approach-content h4 {
  margin-bottom: 0.5rem;
}

.approach-content p {
  color: var(--gray-400);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === TECH STACK === */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.tech-card {
  background: var(--navy-800);
  border: 1px solid var(--navy-600);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all var(--transition);
}

.tech-card:hover {
  border-color: var(--navy-400);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.tech-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.tech-card h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.tech-card p {
  color: var(--gray-400);
  font-size: 0.8rem;
  line-height: 1.5;
}

/* === CTA BANNER === */
.cta-banner {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-700));
  border: 1px solid var(--navy-600);
  border-radius: var(--radius-xl);
  padding: 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top right, rgba(200, 150, 62, 0.08), transparent 60%);
}

.cta-banner > * { position: relative; z-index: 1; }

.cta-banner h2 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.cta-banner p {
  color: var(--gray-400);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn { font-size: 1rem; }

/* === CONTACT === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h2 { margin-bottom: 1rem; }
.contact-info > p { color: var(--gray-400); margin-bottom: 2rem; line-height: 1.7; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(200, 150, 62, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-detail-label {
  font-size: 0.8rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.15rem;
}

.contact-detail-value {
  color: var(--white);
  font-weight: 500;
  font-size: 0.95rem;
}

.contact-form {
  background: var(--navy-800);
  border: 1px solid var(--navy-600);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

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

.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  color: var(--gray-300);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--navy-700);
  border: 1px solid var(--navy-500);
  border-radius: var(--radius-md);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.1);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-500); }

.contact-form .btn { width: 100%; justify-content: center; margin-top: 0.5rem; }

/* === FOOTER === */
.site-footer {
  background: var(--navy-950);
  border-top: 1px solid var(--navy-600);
  padding: 4rem 2rem 2rem;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--gray-400);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

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

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--navy-800);
  border: 1px solid var(--navy-600);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-300);
  font-size: 1rem;
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--navy-600);
  border-color: var(--gold-dim);
  color: var(--gold-light);
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-300);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col ul a {
  color: var(--gray-400);
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-col ul a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid var(--navy-600);
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--gray-500);
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
}

.footer-bottom-links a {
  color: var(--gray-500);
  font-size: 0.85rem;
  transition: color var(--transition);
}

.footer-bottom-links a:hover { color: var(--gray-300); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  h1 { font-size: 2.75rem; }
  h2 { font-size: 2rem; }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-subtitle { max-width: 100%; }
  .hero-actions { justify-content: center; }
  .hero-title { font-size: 2.75rem; }
  .hero-visual { display: none; }

  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-bar-inner { grid-template-columns: repeat(2, 1fr); }

  .nav-links { display: none; }
  .nav-toggle { display: flex; }
}

@media (max-width: 768px) {
  :root { font-size: 15px; }

  .section { padding: 60px 1.25rem; }
  .hero { padding: 100px 1.25rem 60px; }
  .hero-title { font-size: 2.25rem; }

  .services-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr 1fr; }
  .stats-bar-inner { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-bottom-links { justify-content: center; }

  .cta-banner { padding: 2rem 1.5rem; }
  .cta-banner h2 { font-size: 1.75rem; }

  .hero-card-stack { width: 280px; height: 320px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.85rem; }
  .section-title { font-size: 1.75rem; }
  .stats-bar-inner { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}

/* === MOBILE NAV === */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--navy-900);
  border-left: 1px solid var(--navy-600);
  padding: 2rem;
  z-index: 1100;
  transition: right var(--transition);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav.open { right: 0; }

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1050;
  display: none;
}

.mobile-nav-overlay.open { display: block; }

.mobile-nav a {
  color: var(--gray-300);
  font-size: 1.1rem;
  font-weight: 500;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--navy-600);
}

.mobile-nav a:hover { color: var(--white); }

/* === ANIMATIONS === */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* === FORM MESSAGE === */
.form-message {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.3);
  color: var(--teal);
}

.form-message.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--red);
}

/* === COUNTER ANIMATION === */
.counter-animated { transition: none; }