/* ============================================================
   TJK Collections - Professional Website Stylesheet
   Computer Systems Design & Related Services
   ============================================================ */

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

:root {
  --color-navy-950: #060e1a;
  --color-navy-900: #0a1628;
  --color-navy-800: #0f1f38;
  --color-navy-700: #162d4d;
  --color-navy-600: #1e3d66;
  --color-blue-600: #1d4ed8;
  --color-blue-500: #2563eb;
  --color-blue-400: #3b82f6;
  --color-blue-300: #60a5fa;
  --color-blue-100: #dbeafe;
  --color-blue-50: #eff6ff;
  --color-white: #ffffff;
  --color-slate-900: #0f172a;
  --color-slate-800: #1e293b;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748b;
  --color-slate-400: #94a3b8;
  --color-slate-300: #cbd5e1;
  --color-slate-200: #e2e8f0;
  --color-slate-100: #f1f5f9;
  --color-slate-50: #f8fafc;
  --color-emerald-500: #10b981;
  --color-emerald-400: #34d399;
  --color-amber-500: #f59e0b;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --max-width: 1200px;
  --nav-height: 72px;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-slate-50);
  color: var(--color-slate-800);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-slate-900);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.75rem); }

a {
  color: var(--color-blue-500);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-blue-600);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

.section-padding {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-blue-500);
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
}

.section-desc {
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.125rem;
  color: var(--color-slate-500);
  line-height: 1.6;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
}

.cta-button.primary {
  background-color: var(--color-blue-500);
  color: var(--color-white);
}

.cta-button.primary:hover {
  background-color: var(--color-blue-600);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.cta-button.secondary {
  background-color: var(--color-white);
  color: var(--color-blue-500);
  border: 2px solid var(--color-blue-500);
}

.cta-button.secondary:hover {
  background-color: var(--color-blue-500);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.cta-button.light {
  background-color: var(--color-white);
  color: var(--color-slate-900);
}

.cta-button.light:hover {
  background-color: var(--color-slate-100);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background-color: var(--color-navy-900);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.5px;
}

.nav-logo .logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-blue-500), var(--color-blue-600));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: var(--color-white);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
}

.nav-links a {
  color: var(--color-slate-300);
  font-size: 0.938rem;
  font-weight: 500;
  position: relative;
  transition: color 0.2s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-blue-400);
  transition: width 0.25s ease;
}

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

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

.nav-links a.active {
  color: var(--color-blue-400);
}

.nav-cta {
  padding: 10px 22px;
  font-size: 0.875rem;
  font-weight: 600;
  background-color: var(--color-blue-500);
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.25s ease;
}

.nav-cta:hover {
  background-color: var(--color-blue-400);
  transform: translateY(-1px);
}

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

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: var(--nav-height);
  background-color: var(--color-navy-900);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(37, 99, 235, 0.15), transparent),
    radial-gradient(ellipse 40% 50% at 80% 80%, rgba(59, 130, 246, 0.08), transparent);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-blue-300);
  background-color: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.25);
  border-radius: 99px;
  margin-bottom: 24px;
}

.hero-title {
  color: var(--color-white);
  margin-bottom: 20px;
}

.hero-title span {
  color: var(--color-blue-400);
}

.hero-text {
  font-size: 1.125rem;
  color: var(--color-slate-400);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

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

.hero-card {
  width: 100%;
  max-width: 480px;
  background-color: var(--color-navy-800);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-xl);
}

.hero-card .card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card .card-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-emerald-500);
}

.hero-card .card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-slate-400);
}

.hero-stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.hero-stat {
  text-align: center;
  padding: 20px;
  background-color: var(--color-navy-700);
  border-radius: var(--radius-md);
}

.hero-stat .stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-blue-400);
}

.hero-stat .stat-label {
  font-size: 0.8125rem;
  color: var(--color-slate-400);
  margin-top: 4px;
}

.hero-card .card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-card .card-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--color-slate-300);
}

.hero-card .card-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-emerald-500);
  flex-shrink: 0;
}

/* ============================================================
   CLIENTS / TRUST BAR
   ============================================================ */
.trust-bar {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
  padding: 32px 0;
}

.trust-bar .trust-label {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-slate-400);
  margin-bottom: 20px;
}

.trust-bar .trust-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-bar .trust-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-300);
  letter-spacing: 1px;
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services {
  background-color: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all 0.3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-blue-300);
}

.service-card .service-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--color-blue-500), var(--color-blue-600));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.375rem;
  color: var(--color-white);
}

.service-card h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.service-card p {
  color: var(--color-slate-500);
  font-size: 0.938rem;
  line-height: 1.65;
}

/* ============================================================
   PROCESS SECTION
   ============================================================ */
.process {
  background-color: var(--color-navy-900);
  color: var(--color-white);
}

.process .section-title {
  color: var(--color-white);
}

.process .section-desc {
  color: var(--color-slate-400);
}

.process .section-label {
  color: var(--color-blue-300);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-white);
  background: linear-gradient(135deg, var(--color-blue-500), var(--color-blue-600));
  border-radius: 50%;
  margin-bottom: 20px;
}

.process-step h3 {
  color: var(--color-white);
  margin-bottom: 8px;
  font-size: 1.125rem;
}

.process-step p {
  color: var(--color-slate-400);
  font-size: 0.875rem;
  line-height: 1.6;
}

.process-connector {
  position: absolute;
  top: 28px;
  right: -30px;
  width: 60px;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.15);
}

.process-step:last-child .process-connector {
  display: none;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about {
  background-color: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image .image-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-navy-800), var(--color-navy-900));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-image .image-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.about-image .image-placeholder .placeholder-icon {
  font-size: 4rem;
  color: var(--color-blue-400);
  position: relative;
  z-index: 1;
}

.about-image .image-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background-color: var(--color-blue-500);
  color: var(--color-white);
  padding: 20px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.about-image .image-badge .badge-number {
  font-size: 1.75rem;
  font-weight: 800;
}

.about-image .image-badge .badge-text {
  font-size: 0.8125rem;
  font-weight: 600;
}

.about-content h2 {
  margin-bottom: 20px;
}

.about-content p {
  color: var(--color-slate-500);
  margin-bottom: 16px;
  line-height: 1.7;
}

.about-features {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 28px;
  margin-bottom: 32px;
}

.about-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.938rem;
  font-weight: 500;
  color: var(--color-slate-700);
}

.about-features li .check-icon {
  width: 22px;
  height: 22px;
  background-color: var(--color-blue-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-blue-500);
  font-size: 0.75rem;
  font-weight: 700;
}

/* ============================================================
   TECH STACK SECTION
   ============================================================ */
.tech-stack {
  background-color: var(--color-slate-50);
}

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

.tech-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.tech-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-blue-300);
}

.tech-item .tech-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.tech-item h4 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.tech-item p {
  font-size: 0.8125rem;
  color: var(--color-slate-500);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  background: linear-gradient(135deg, var(--color-navy-900), var(--color-navy-800));
  text-align: center;
}

.cta-section .section-title {
  color: var(--color-white);
}

.cta-section .section-desc {
  color: var(--color-slate-300);
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact {
  background-color: var(--color-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 48px;
}

.contact-info h2 {
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--color-slate-500);
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}

.contact-item .contact-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-blue-50);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.9375rem;
  margin-bottom: 4px;
}

.contact-item .contact-value {
  font-size: 0.9375rem;
  color: var(--color-slate-600);
}

.contact-form {
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 36px;
}

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

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-slate-700);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.938rem;
  font-family: var(--font-sans);
  color: var(--color-slate-800);
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-300);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-blue-500);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background-color: var(--color-navy-950);
  color: var(--color-slate-400);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand .footer-logo {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 280px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 0.9375rem;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: 0.875rem;
  color: var(--color-slate-400);
  transition: color 0.2s ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
}

.footer-bottom a {
  color: var(--color-slate-400);
}

/* ============================================================
   PAGE HEADER (Privacy / Terms)
   ============================================================ */
.page-header {
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 60px;
  background-color: var(--color-navy-900);
  text-align: center;
  background-image:
    radial-gradient(ellipse 60% 50% at 50% 50%, rgba(37, 99, 235, 0.1), transparent);
}

.page-header .page-title {
  color: var(--color-white);
  margin-bottom: 12px;
}

.page-header .page-subtitle {
  color: var(--color-slate-400);
  font-size: 1rem;
}

/* ============================================================
   POLICY / TERMS CONTENT
   ============================================================ */
.policy-content {
  background-color: var(--color-white);
  padding: 64px 0 100px;
}

.policy-content .container {
  max-width: 820px;
}

.policy-section {
  margin-bottom: 40px;
}

.policy-section:last-child {
  margin-bottom: 0;
}

.policy-section h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-slate-200);
}

.policy-section h3 {
  font-size: 1.125rem;
  margin-top: 20px;
  margin-bottom: 10px;
  color: var(--color-slate-800);
}

.policy-section p {
  color: var(--color-slate-600);
  margin-bottom: 14px;
  line-height: 1.75;
}

.policy-section ul,
.policy-section ol {
  margin-left: 24px;
  margin-bottom: 14px;
  color: var(--color-slate-600);
}

.policy-section ul li,
.policy-section ol li {
  margin-bottom: 8px;
  line-height: 1.65;
  padding-left: 4px;
}

.policy-section strong {
  color: var(--color-slate-800);
  font-weight: 600;
}

.policy-intro {
  background-color: var(--color-blue-50);
  border-left: 4px solid var(--color-blue-500);
  padding: 20px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 40px;
}

.policy-intro p {
  color: var(--color-slate-700);
  font-size: 0.938rem;
  margin-bottom: 0;
}

.policy-intro strong {
  color: var(--color-slate-900);
}

.policy-date {
  text-align: center;
  color: var(--color-slate-400);
  font-size: 0.875rem;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--color-slate-200);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .process-connector {
    display: none;
  }

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

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-card {
    max-width: 380px;
  }

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

  .about-image {
    max-width: 500px;
    margin: 0 auto;
  }

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

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

@media (max-width: 768px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

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

  .process-steps {
    grid-template-columns: 1fr;
  }

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

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

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

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .section-padding {
    padding: 64px 0;
  }

  .trust-logos {
    gap: 24px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-stat-row {
    grid-template-columns: 1fr;
  }

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

  .container {
    padding: 0 16px;
  }
}

/* --- Mobile Nav --- */
.nav.open .nav-links {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  width: 100%;
  background-color: var(--color-navy-900);
  padding: 24px;
  gap: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.nav.open .nav-cta {
  display: inline-block;
}