/* =========================================
   Roman Industries — Premium Dark Theme
   ========================================= */

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

:root {
  --bg-base: #0a0a0f;
  --bg-alt: #0d1117;
  --bg-deep: #111827;
  --bg-surface: #1e293b;
  --surface-glass: rgba(255,255,255,0.03);
  --surface-border: rgba(255,255,255,0.08);
  --accent-blue: #3b82f6;
  --accent-blue-light: #60a5fa;
  --accent-gold: #f59e0b;
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --gradient-blue: linear-gradient(135deg, #3b82f6, #8b5cf6, #06b6d4);
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-muted);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

::selection {
  background: rgba(59, 130, 246, 0.3);
  color: var(--text-primary);
}

.skip-nav {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--accent-blue);
  color: #fff;
  padding: 8px 16px;
  border-radius: 4px;
  z-index: 10000;
  font-size: 0.875rem;
}
.skip-nav:focus {
  top: 16px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  line-height: 1.15;
  font-weight: 700;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-blue-light);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent-blue);
}

.section-heading {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 20px;
}

.section-subtext {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 640px;
  line-height: 1.7;
}

.gradient-text {
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

section {
  padding: 120px 0;
  position: relative;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid var(--surface-border);
  color: var(--text-primary);
  background: rgba(255,255,255,0.03);
}
.btn-ghost:hover {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.08);
  transform: translateY(-2px);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition);
}
.navbar.scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--surface-border);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-primary);
}

.nav-logo .monogram {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 2px solid var(--accent-blue);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--accent-blue-light);
}

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}
.nav-links a:hover {
  color: var(--text-primary);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  transition: width var(--transition);
}
.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  font-size: 0.8125rem !important;
  padding: 10px 20px;
  border-radius: 6px;
  background: var(--accent-blue);
  color: #fff !important;
}
.nav-cta:hover {
  background: #2563eb;
}
.nav-cta::after { display: none !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: 4px 0;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-menu a {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

#tsparticles {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  background-size: 128px 128px;
  pointer-events: none;
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 720px;
}

.hero h1 {
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

/* Typewriter line */
.hero .line-typed {
  display: block;
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-family: 'Courier New', Courier, monospace;
  font-weight: 400;
  color: #00ff41;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  min-height: 2rem;
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.4), 0 0 20px rgba(0, 255, 65, 0.15);
}

.typed-cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: #00ff41;
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
  box-shadow: 0 0 6px rgba(0, 255, 65, 0.6);
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero .hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 560px;
}

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

.hero-fade-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--bg-base), transparent);
  z-index: 1;
  pointer-events: none;
}

/* --- Services / Bento Grid --- */
.services { background: var(--bg-base); }

.services .section-header {
  text-align: center;
  margin-bottom: 64px;
}
.services .section-header .section-subtext {
  margin: 0 auto;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}

.bento-card {
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 36px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(59,130,246,0), rgba(59,130,246,0));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  transition: background var(--transition);
  pointer-events: none;
}

.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 40px rgba(59,130,246,0.08);
  border-color: rgba(59,130,246,0.2);
}
.bento-card:hover::before {
  background: linear-gradient(135deg, rgba(59,130,246,0.3), rgba(139,92,246,0.1));
}

.bento-card.featured {
  grid-column: span 2;
  grid-row: span 2;
  padding: 48px;
}

.bento-card .card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: rgba(59,130,246,0.1);
  color: var(--accent-blue-light);
}
.bento-card.featured .card-icon {
  width: 56px;
  height: 56px;
}

.bento-card .card-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}
.bento-card.featured .card-icon svg {
  width: 28px;
  height: 28px;
}

.bento-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}
.bento-card.featured h3 {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.bento-card p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: 24px;
}
.bento-card.featured p {
  font-size: 1.0625rem;
  max-width: 480px;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  background: rgba(59,130,246,0.08);
  color: var(--accent-blue-light);
  border: 1px solid rgba(59,130,246,0.15);
}

/* --- About --- */
.about {
  background: var(--bg-alt);
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text p {
  margin-bottom: 20px;
  font-size: 1.0625rem;
  line-height: 1.8;
}

.about-visual {
  position: relative;
  height: 500px;
}

.about-visual #network-canvas {
  width: 100%;
  height: 100%;
  border-radius: 12px;
}

/* --- Differentiators --- */
.differentiators {
  background: var(--bg-base);
}

.differentiators .section-header {
  margin-bottom: 64px;
}

.diff-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding-bottom: 20px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.diff-track::-webkit-scrollbar { display: none; }

.diff-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  background: var(--surface-glass);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
}
.diff-card:hover {
  border-color: rgba(59,130,246,0.2);
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0,0,0,0.2);
}

.diff-card:nth-child(even) {
  margin-top: 32px;
}

.diff-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(59,130,246,0.12);
  line-height: 1;
  margin-bottom: 20px;
}

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

.diff-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* --- Results / Case Studies --- */
.results {
  background: var(--bg-alt);
}

.results .section-header {
  text-align: center;
  margin-bottom: 64px;
}
.results .section-header .section-subtext {
  margin: 0 auto;
}

.case-study {
  margin-bottom: 64px;
}

.case-study-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--surface-glass);
  border: 1px solid var(--surface-border);
  border-radius: 20px;
  padding: 48px;
}

.case-study:nth-child(even) .case-study-inner {
  direction: rtl;
}
.case-study:nth-child(even) .case-study-inner > * {
  direction: ltr;
}

.case-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 12px;
}

.case-study h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.case-study p {
  font-size: 1rem;
  line-height: 1.7;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat-card {
  text-align: center;
  padding: 24px 16px;
  background: rgba(59,130,246,0.05);
  border: 1px solid rgba(59,130,246,0.1);
  border-radius: 12px;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-blue-light);
  font-feature-settings: 'tnum';
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-dim);
}

/* Aggregate stats bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 24px;
  padding: 40px;
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(139,92,246,0.05));
  border: 1px solid var(--surface-border);
  border-radius: 20px;
}

.stats-bar-item {
  text-align: center;
}

.stats-bar-value {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  font-feature-settings: 'tnum';
  line-height: 1.2;
  margin-bottom: 6px;
}

.stats-bar-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* --- Testimonials --- */
.testimonials {
  background: var(--bg-base);
}

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

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

.testimonial-card {
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  padding: 36px;
  position: relative;
}
.testimonial-card:nth-child(2) {
  margin-top: 40px;
}
.testimonial-card:nth-child(3) {
  margin-top: 20px;
}

.testimonial-card .quote-mark {
  font-size: 3rem;
  line-height: 1;
  color: rgba(59,130,246,0.25);
  font-family: Georgia, serif;
  margin-bottom: 16px;
}

.testimonial-card blockquote {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-card .attribution {
  font-size: 0.8125rem;
  color: var(--text-dim);
}
.testimonial-card .attribution strong {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 2px;
  font-style: normal;
}

/* --- Engagement Model / Timeline --- */
.engagement {
  background: var(--bg-alt);
}

.engagement .section-header {
  text-align: center;
  margin-bottom: 80px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: rgba(255,255,255,0.06);
}

.timeline-progress {
  position: absolute;
  top: 36px;
  left: 10%;
  height: 2px;
  background: var(--accent-blue);
  width: 0;
  transition: width 0.6s ease;
  box-shadow: 0 0 12px rgba(59,130,246,0.4);
}

.timeline-step {
  text-align: center;
  position: relative;
  padding: 0 16px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-base);
  border: 2px solid rgba(255,255,255,0.08);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-dim);
  margin-bottom: 24px;
  position: relative;
  z-index: 2;
  transition: all 0.5s ease;
}
.timeline-step.active .step-number {
  border-color: var(--accent-blue);
  color: var(--accent-blue-light);
  box-shadow: 0 0 24px rgba(59,130,246,0.3);
}

.timeline-step h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.timeline-step p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-dim);
}

/* --- Partners / Marquee --- */
.partners {
  background: var(--bg-base);
  padding-bottom: 80px;
}

.partners .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.marquee-wrapper {
  overflow: hidden;
  position: relative;
  padding: 24px 0;
}
.marquee-wrapper::before,
.marquee-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}
.marquee-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-base), transparent);
}
.marquee-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-base), transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-item {
  flex-shrink: 0;
  padding: 16px 48px;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  white-space: nowrap;
  opacity: 0.5;
  transition: opacity var(--transition);
}

.compliance-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 48px;
}

.compliance-badge {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: rgba(245,158,11,0.06);
  border: 1px solid rgba(245,158,11,0.15);
  color: var(--accent-gold);
}

/* --- Contact / CTA --- */
.contact {
  background: var(--bg-deep);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  top: -200px;
  right: -200px;
  background: radial-gradient(circle, rgba(59,130,246,0.08), transparent 70%);
  pointer-events: none;
}

.contact .section-header {
  text-align: center;
  margin-bottom: 48px;
}

.contact-form {
  max-width: 640px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  position: relative;
}
.form-group.full-width {
  grid-column: span 2;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: all var(--transition);
  outline: none;
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15), 0 0 20px rgba(59,130,246,0.1);
}

.contact-form .btn-primary {
  grid-column: span 2;
  justify-content: center;
  padding: 16px;
  font-size: 1rem;
  margin-top: 8px;
}

.contact-meta {
  text-align: center;
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.contact-meta span {
  font-size: 0.8125rem;
  color: var(--text-dim);
  font-feature-settings: 'tnum';
}
.contact-meta strong {
  color: var(--text-muted);
}

/* --- Footer --- */
.footer {
  background: var(--bg-base);
  border-top: 1px solid var(--surface-border);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-brand .nav-logo {
  font-size: 1rem;
}

.footer-tagline {
  font-size: 0.8125rem;
  color: var(--text-dim);
  max-width: 360px;
}

.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 0.8125rem;
  color: var(--text-dim);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--surface-border);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.sba-badge {
  font-size: 0.75rem;
  color: var(--accent-gold);
  font-weight: 600;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ===== Responsive ===== */

@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-card.featured {
    grid-column: span 2;
    grid-row: span 1;
  }

  .case-study-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .case-study:nth-child(even) .case-study-inner {
    direction: ltr;
  }

  .stats-bar {
    grid-template-columns: repeat(3, 1fr);
  }

  .timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
  .timeline::before,
  .timeline-progress { display: none; }
}

@media (max-width: 768px) {
  section { padding: 80px 0; }

  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }

  .hero h1 { font-size: 2.25rem; }

  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-card.featured {
    grid-column: span 1;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-visual { height: 250px; }

  .diff-card {
    flex: 0 0 260px;
  }
  .diff-card:nth-child(even) {
    margin-top: 0;
  }

  .case-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    padding: 24px;
  }
  .stats-bar-value { font-size: 1.75rem; }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  .testimonial-card:nth-child(2),
  .testimonial-card:nth-child(3) {
    margin-top: 0;
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }
  .form-group.full-width,
  .contact-form .btn-primary {
    grid-column: span 1;
  }

  .contact-meta {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-brand { align-items: center; }
  .footer-bottom { justify-content: center; flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 2rem; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .case-stats { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr; }
  .compliance-badges { gap: 8px; }
}