/* =============================================
   OneTek Workspace — Global Design System
   onetekworkspace.com
   ============================================= */

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

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

:root {
  --bg: #FFFFFF;
  --bg-subtle: #F8F9FB;
  --bg-muted: #F0F2F5;
  --surface: #FFFFFF;
  --border: #E5E8ED;
  --border-strong: #CDD1D8;

  --blue: #0F62FE;
  --blue-hover: #0043CE;
  --blue-light: #EDF3FF;
  --blue-mid: #D0E2FF;

  --text-heading: #0A0F1E;
  --text-body: #3D4451;
  --text-muted: #6B7280;
  --text-inverse: #FFFFFF;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --nav-height: 68px;
  --max-width: 1180px;

  --transition: 0.18s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* === Layout === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
}

.section-alt {
  background: var(--bg-subtle);
}

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

h1 { font-size: clamp(2.2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header p {
  margin-top: 16px;
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--blue);
  color: var(--text-inverse);
}

.btn-primary:hover {
  background: var(--blue-hover);
  color: var(--text-inverse);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(15, 98, 254, 0.30);
}

.btn-secondary {
  background: transparent;
  color: var(--text-heading);
  border: 1.5px solid var(--border-strong);
}

.btn-secondary:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-light);
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1.02rem;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.87rem;
}

/* === Navigation === */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-logo:hover { color: var(--text-heading); }

.nav-logo-mark {
  width: 32px;
  height: 32px;
  background: var(--blue);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 7px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-body);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-heading);
  background: var(--bg-muted);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-heading);
  border-radius: 2px;
  transition: all var(--transition);
}

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  z-index: 99;
  box-shadow: var(--shadow-md);
}

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

.nav-mobile ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}

.nav-mobile ul a {
  display: block;
  padding: 10px 12px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-body);
  border-radius: var(--radius-sm);
}

.nav-mobile ul a:hover { background: var(--bg-muted); color: var(--text-heading); }

/* === Hero === */
.hero {
  padding: 96px 0 80px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-subtle) 100%);
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--blue-light);
  color: var(--blue);
  border: 1px solid var(--blue-mid);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 28px;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--blue);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  max-width: 820px;
  margin: 0 auto 24px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero-note {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.hero-note svg {
  display: inline;
  vertical-align: middle;
  margin-right: 4px;
}

.hero-screenshot {
  margin-top: 64px;
  position: relative;
}

.hero-screenshot-wrap {
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.6) inset;
  background: var(--bg-muted);
  max-width: 960px;
  margin: 0 auto;
}

.hero-screenshot-wrap img {
  width: 100%;
  border-radius: var(--radius-xl);
}

/* === Logo Strip === */
.logo-strip {
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.logo-strip-label {
  text-align: center;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.logo-strip-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.logo-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}

.logo-chip-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* === Feature Cards === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--blue);
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* === Pricing === */
.pricing-wrap {
  max-width: 480px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--surface);
  border: 2px solid var(--blue);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  position: relative;
  box-shadow: var(--shadow-lg), 0 0 0 4px var(--blue-light);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: white;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 999px;
  white-space: nowrap;
}

.pricing-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
}

.pricing-amount {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  margin: 18px 0;
}

.pricing-currency {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1;
  margin-bottom: 6px;
}

.pricing-price {
  font-size: 3.8rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1;
  letter-spacing: -0.04em;
}

.pricing-period {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.pricing-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--text-body);
}

.pricing-check {
  width: 18px;
  height: 18px;
  background: #DCFCE7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-check svg {
  color: #16A34A;
}

.pricing-guarantee {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* === Steps === */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.step-connector {
  position: absolute;
  top: 28px;
  left: calc(33.33% - 24px);
  right: calc(33.33% - 24px);
  height: 2px;
  background: var(--blue-mid);
  pointer-events: none;
}

.step {
  text-align: center;
  padding: 0 12px;
}

.step-number {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--blue);
  color: white;
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.step h3 { margin-bottom: 10px; }
.step p { font-size: 0.92rem; color: var(--text-muted); }

/* === Testimonials === */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial-stars {
  display: flex;
  gap: 3px;
  color: #F59E0B;
}

.testimonial-text {
  font-size: 0.93rem;
  line-height: 1.7;
  color: var(--text-body);
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--blue);
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-heading);
  line-height: 1.3;
}

.testimonial-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* === CTA Band === */
.cta-band {
  background: var(--blue);
  padding: 80px 0;
  text-align: center;
}

.cta-band h2 { color: white; margin-bottom: 16px; }
.cta-band p { color: rgba(255,255,255,0.80); max-width: 520px; margin: 0 auto 36px; font-size: 1.05rem; }

.cta-band .btn-primary {
  background: white;
  color: var(--blue);
}

.cta-band .btn-primary:hover {
  background: #EDF3FF;
  box-shadow: 0 4px 18px rgba(0,0,0,0.18);
}

.cta-band .btn-secondary {
  color: white;
  border-color: rgba(255,255,255,0.45);
}

.cta-band .btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  border-color: white;
  color: white;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* === FAQ Accordion === */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child { border-bottom: none; }

.faq-question {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-heading);
  gap: 16px;
  transition: background var(--transition);
}

.faq-question:hover { background: var(--bg-subtle); }

.faq-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform var(--transition);
}

.faq-item.open .faq-chevron { transform: rotate(180deg); }

.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: 0.93rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-item.open .faq-answer { display: block; }

/* === Contact Form === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-info-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-info-value {
  font-size: 0.95rem;
  color: var(--text-heading);
  font-weight: 500;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-body);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: inherit;
  font-size: 0.93rem;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text-heading);
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-light);
}

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

/* === Download === */
.download-hero {
  background: linear-gradient(135deg, #0A0F1E 0%, #1A237E 100%);
  padding: 80px 0;
  text-align: center;
}

.download-hero h1,
.download-hero p { color: white; }

.download-hero p { color: rgba(255,255,255,0.75); margin: 16px auto 40px; max-width: 540px; font-size: 1.05rem; }

.download-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  text-align: center;
  max-width: 460px;
  margin: 0 auto;
}

.download-icon {
  width: 64px;
  height: 64px;
  background: var(--blue-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--blue);
}

.download-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 14px 0 28px;
  flex-wrap: wrap;
}

.download-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.sysreq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.sysreq-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.sysreq-card h4 {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.sysreq-card p {
  font-size: 0.92rem;
  color: var(--text-body);
}

/* === About === */
.about-hero {
  padding: 80px 0;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border);
}

.mission-card {
  background: var(--blue);
  border-radius: var(--radius-xl);
  padding: 48px 52px;
  color: white;
}

.mission-card h2 { color: white; margin-bottom: 16px; }
.mission-card p { color: rgba(255,255,255,0.85); font-size: 1.05rem; line-height: 1.75; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.value-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--blue-mid);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.04em;
}

/* === Page Header (inner pages) === */
.page-header {
  padding: 72px 0 64px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.page-header p {
  margin-top: 14px;
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* === Footer === */
.footer {
  background: var(--text-heading);
  color: rgba(255,255,255,0.65);
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 52px;
}

.footer-brand-name {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-logo-mark {
  width: 30px;
  height: 30px;
  background: var(--blue);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.04em;
}

.footer-brand-title {
  font-size: 0.97rem;
  font-weight: 700;
  color: white;
}

.footer-tagline {
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-col h5 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: white;
  margin-bottom: 16px;
}

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

.footer-col ul a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.60);
  transition: color var(--transition);
}

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

.footer-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,0.10);
  margin-bottom: 24px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.50);
}

.footer-bottom-links a:hover { color: white; }

/* === Stat Strip === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.stat-item {
  background: var(--surface);
  padding: 36px 24px;
  text-align: center;
}

.stat-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.87rem;
  color: var(--text-muted);
}

/* === Responsive === */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .step-connector { display: none; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .sysreq-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --nav-height: 60px; }
  .section { padding: 60px 0; }
  .features-grid { grid-template-columns: 1fr; }
  .nav-links, .nav-actions { display: none; }
  .nav-hamburger { display: flex; }
  .hero { padding: 60px 0 52px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { justify-content: center; }
  .pricing-card { padding: 36px 24px; }
  .mission-card { padding: 36px 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* === Utilities === */
.text-center { text-align: center; }
.text-blue { color: var(--blue); }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }