/* ============================================================
   Yadavilli Solutions — Design System
   ============================================================ */

:root {
  --bg: #09090b;
  --bg-2: #111114;
  --bg-3: #18181b;
  --bg-card: rgba(255,255,255,0.025);
  --bg-card-hover: rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(6,182,212,0.35);
  --cyan: #06b6d4;
  --cyan-2: #22d3ee;
  --cyan-dim: rgba(6,182,212,0.1);
  --green: #10b981;
  --text: #fafafa;
  --text-2: #8a8a8a;
  --text-3: #52525b;
  --radius: 10px;
  --radius-lg: 16px;
  --transition: 0.2s ease;
  --font: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(6,182,212,0.12);
}

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

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-center { text-align: center; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(3rem, 7vw, 5.5rem); letter-spacing: -0.035em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.025em; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.65rem); letter-spacing: -0.015em; }

p { color: var(--text-2); }

.gradient-text {
  background: linear-gradient(135deg, #fff 0%, rgba(6,182,212,0.85) 55%, rgba(16,185,129,0.75) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(6,182,212,0.2);
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 4rem;
}

.section-header h2 { margin-bottom: 1rem; }
.section-header p { font-size: 1.125rem; }

/* ============================================================
   BUTTONS
   ============================================================ */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--cyan), #0891b2);
  color: #000;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  padding: 0.8rem 1.75rem;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(6,182,212,0.4);
}

.btn-primary.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1rem;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.8rem 1.75rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-dim);
}

.btn-glass {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.8);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.8rem 1.75rem;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-glass:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.2);
  color: #fff;
}
.btn-glass.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1rem;
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, var(--cyan), #0891b2);
  color: #000;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 0.55rem 1.25rem;
  border-radius: 100px;
  transition: all var(--transition);
}

.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(6,182,212,0.35);
}

/* ============================================================
   HEADER
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

.site-header.scrolled {
  background: rgba(9,9,11,.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.logo-mark {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--cyan), #0891b2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: #000;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

.logo-accent { color: var(--cyan); }

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

.nav-desktop a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 0.5rem 0.85rem;
  border-radius: 8px;
  transition: all var(--transition);
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.5rem 1.5rem;
  background: rgba(8,11,16,0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-mobile a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}

.nav-mobile a:hover { color: var(--cyan); }
.nav-mobile a:last-child { border-bottom: none; }

.btn-mobile {
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--cyan), #0891b2);
  color: #000 !important;
  font-weight: 700;
  padding: 0.8rem 1.5rem;
  border-radius: 100px;
  border-bottom: none !important;
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(ellipse 65% 55% at 20% 30%, rgba(6,182,212,.16) 0%, transparent 60%),
    radial-gradient(ellipse 55% 65% at 80% 70%, rgba(16,185,129,.12) 0%, transparent 60%),
    radial-gradient(ellipse 45% 45% at 62% 18%, rgba(6,182,212,.07) 0%, transparent 50%);
  animation: drift 16s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes drift {
  0%   { transform: translate(0%, 0%) scale(1); }
  33%  { transform: translate(2.5%, -3.5%) scale(1.05); }
  66%  { transform: translate(-2.5%, 2.5%) scale(.96); }
  100% { transform: translate(3.5%, -1.5%) scale(1.03); }
}

/* Remove old glow classes or keep empty for backward compat */
.hero-glow, .hero-glow-1, .hero-glow-2 { display: none; }

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 6rem 1.5rem;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(6,182,212,.06);
  border: 1px solid rgba(6,182,212,.2);
  padding: 0.45rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

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

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  margin-bottom: 1.5rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, #fff 0%, rgba(6,182,212,.9) 55%, rgba(16,185,129,.8) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-2);
  max-width: 580px;
  margin: 0 auto 2.5rem;
}

.hero-subtitle strong { color: var(--text); }

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.hero-ticker {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 0;
  margin: 0 -1.5rem;
}

.ticker-track {
  display: flex;
  gap: 2rem;
  animation: ticker 20s linear infinite;
  white-space: nowrap;
  width: max-content;
}

.ticker-track span {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.ticker-track .sep { color: var(--cyan); }

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   STATS
   ============================================================ */

.stats-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 2rem;
}

.stat-card + .stat-card {
  border-left: 1px solid var(--border);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--cyan);
  display: inline;
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--cyan-2);
  display: inline;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.5rem;
}

/* ============================================================
   METHODOLOGY
   ============================================================ */

.method-section {
  padding: 7rem 0;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.method-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all 0.3s ease;
  overflow: hidden;
}

.method-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--cyan-dim), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.method-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

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

.method-step {
  position: absolute;
  top: 1.5rem;
  right: 1.75rem;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 900;
  color: rgba(255,255,255,0.04);
  line-height: 1;
}

.method-icon {
  width: 56px;
  height: 56px;
  background: var(--cyan-dim);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--cyan);
}

.method-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.method-card p {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.method-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--cyan);
  transition: gap var(--transition);
}

.method-link:hover { text-decoration: underline; }

/* ============================================================
   SERVICES
   ============================================================ */

.services-section {
  padding: 7rem 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%);
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.3s ease;
}

.service-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.service-icon {
  width: 50px;
  height: 50px;
  background: var(--cyan-dim);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--cyan);
}

.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.service-card p { font-size: 0.9rem; }

/* ============================================================
   CASE STUDY
   ============================================================ */

.case-study-section {
  padding: 7rem 0;
}

.case-study-featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.case-study-image {
  position: relative;
  height: 100%;
  min-height: 400px;
}

.case-study-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.case-study-featured:hover .case-study-image img { opacity: 0.85; }

.case-study-badge {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(6,182,212,0.2);
  border: 1px solid rgba(6,182,212,0.3);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.85rem;
  border-radius: 100px;
}

.case-study-content {
  padding: 3rem 3rem 3rem 0;
}

.case-study-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
}

.case-study-content h3 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-bottom: 1rem;
}

.case-study-content > p {
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
}

.case-study-results {
  margin-bottom: 2rem;
}

.case-study-results li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-2);
}

.case-study-results li:last-child { border-bottom: none; }

.result-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--cyan);
  min-width: 60px;
}

/* ============================================================
   PRODUCTS
   ============================================================ */

.products-section {
  padding: 7rem 0;
  background: var(--bg-2);
}

.products-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all 0.3s ease;
}

.product-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.product-card-featured {
  border-color: rgba(6,182,212,0.25);
  background: linear-gradient(135deg, rgba(6,182,212,0.06), var(--bg-card));
  position: relative;
  overflow: hidden;
}

.product-card-featured::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(6,182,212,0.12), transparent 70%);
  pointer-events: none;
}

.product-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}

.product-card h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.product-card p {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.product-card ul {
  margin-bottom: 2rem;
}

.product-card ul li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-2);
  padding: 0.4rem 0;
}

.product-card ul li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================================
   CTA
   ============================================================ */

.cta-section {
  padding: 7rem 0;
}

.cta-card {
  position: relative;
  text-align: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 5rem 2rem;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(6,182,212,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin-bottom: 1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-card p {
  font-size: 1.1rem;
  max-width: 500px;
  margin: 0 auto 2.5rem;
}

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

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */

.page-hero {
  padding: 10rem 0 5rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
}

.page-hero-content {
  max-width: 800px;
}

.page-hero h1 { margin-bottom: 1rem; }

.page-subtitle {
  font-size: 1.2rem;
  color: var(--text-2);
  max-width: 600px;
}

/* ============================================================
   PAGE CONTENT / PROSE
   ============================================================ */

.page-content {
  padding: 5rem 0 7rem;
}

.prose {
  max-width: 800px;
  font-size: 1.05rem;
  line-height: 1.8;
}

.prose h2 {
  font-size: 1.75rem;
  margin: 3rem 0 1rem;
  color: var(--text);
}

.prose h3 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
  color: var(--text);
}

.prose p { color: var(--text-2); margin-bottom: 1.25rem; }
.prose strong { color: var(--text); }

.prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose ul, .prose ol {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.prose ul li, .prose ol li {
  color: var(--text-2);
  margin-bottom: 0.5rem;
}

/* ============================================================
   LIST GRID
   ============================================================ */

.list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.list-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.list-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}

.list-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  opacity: 0.8;
}

.list-card-content { padding: 1.75rem; }

.list-card-content h2 {
  font-size: 1.25rem;
  margin: 0.75rem 0;
}

.list-card-content h2 a:hover { color: var(--cyan); }

.list-card-content p {
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background: #09090b;
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-3);
  margin: 1rem 0 1.5rem;
  max-width: 280px;
}

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

.footer-social a {
  width: 38px;
  height: 38px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-dim);
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.footer-col ul li {
  margin-bottom: 0.65rem;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--text-3);
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-3);
}

/* ============================================================
   TECH STACK LOGO MARQUEE
   ============================================================ */

.tech-logos-section {
  padding: 5rem 0 2rem;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.marquee-wrapper {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.marquee-track {
  display: flex;
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-content {
  display: flex;
  gap: 3rem;
  padding: 0 1.5rem;
  flex-shrink: 0;
  animation: marquee-scroll 35s linear infinite;
}

.marquee-right .marquee-content {
  animation-direction: reverse;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

.logo-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity 0.3s ease;
  cursor: default;
}

.logo-item:hover {
  opacity: 1;
}

.logo-item img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.logo-item span {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.text-logo {
  font-size: 1rem !important;
  font-weight: 600 !important;
  color: var(--cyan) !important;
  letter-spacing: 0.03em;
  font-family: var(--font-heading);
}

/* ============================================================
   PAGE HERO GLOW (inner pages with ambient glow)
   ============================================================ */

.page-hero-glow {
  position: relative;
  overflow: hidden;
}

.page-hero-glow .hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* ============================================================
   SERVICES DETAIL PAGE
   ============================================================ */

.services-detail-section {
  padding: 5rem 0 3rem;
}

.services-detail-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.service-detail-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all 0.3s ease;
}

.service-detail-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.service-detail-icon {
  width: 64px;
  height: 64px;
  background: var(--cyan-dim);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  flex-shrink: 0;
}

.service-detail-content h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.service-detail-content > p {
  font-size: 1rem;
  color: var(--text-2);
  margin-bottom: 1.25rem;
  line-height: 1.7;
}

.service-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-2);
  padding: 0.35rem 0;
}

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

/* ============================================================
   CONTACT PAGE
   ============================================================ */

.contact-section {
  padding: 5rem 0 3rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.contact-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.contact-card-icon {
  width: 60px;
  height: 60px;
  background: var(--cyan-dim);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--cyan);
}

.contact-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.contact-card p {
  font-size: 0.95rem;
  color: var(--text-2);
  margin-bottom: 1rem;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */

.about-vision {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

.about-vision-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.about-vision-content h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.about-vision-content p {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.8;
}

.about-vision-content strong { color: var(--text); }
.about-vision-content em { color: var(--cyan); font-style: normal; }

.about-pillars {
  padding: 7rem 0;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  transition: all 0.3s ease;
}

.pillar-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.pillar-icon {
  width: 56px;
  height: 56px;
  background: var(--cyan-dim);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--cyan);
}

.pillar-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.pillar-card p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.7;
}

.pillar-card strong { color: var(--text); }

/* ============================================================
   ANIMATIONS
   ============================================================ */

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-3);
  animation: fadeUpHint 3s ease-in-out infinite;
}
.scroll-hint::after {
  content: '';
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, var(--text-3), transparent);
}
@keyframes fadeUpHint {
  0%, 100% { opacity: .4; transform: translateX(-50%) translateY(0); }
  50% { opacity: .7; transform: translateX(-50%) translateY(-5px); }
}

.method-num-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 20px;
}
.method-num-line::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, rgba(6,182,212,.4), transparent);
}

/* ============================================================
   ACCESSIBILITY: REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  .hero-bg { animation: none; }
  .scroll-hint { animation: none; }
  .fade-up {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card + .stat-card { border-left: none; }
  .stat-card:nth-child(odd) { border-right: 1px solid var(--border); }

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

  .products-grid { grid-template-columns: 1fr 1fr; }
  .product-card-featured { grid-column: 1 / -1; }

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

  .about-vision-grid { grid-template-columns: 1fr; gap: 2rem; }
}

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

  .nav-toggle { display: flex; }

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

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

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

  .case-study-featured {
    grid-template-columns: 1fr;
  }

  .case-study-image { min-height: 250px; }

  .case-study-content {
    padding: 2rem;
  }

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

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }

  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }

  .hero-content { padding: 4rem 1.5rem; }

  .service-detail-card { grid-template-columns: 1fr; gap: 1rem; }
  .service-features { grid-template-columns: 1fr; }

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

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

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-card + .stat-card { border-left: none; }
  .hero-cta { flex-direction: column; }
}