/* ==========================================================================
   AARTHA AXIS - GLOBAL DESIGN SYSTEM
   Palette: Deep Navy (#071A3D, #041127) | Luxury Gold (#D4AF37, #F0C75E)
   ========================================================================== */

:root {
  --navy-primary: #071A3D;
  --navy-dark: #041127;
  --navy-surface: #0C2148;
  --navy-card: #0F2754;
  --gold-primary: #D4AF37;
  --gold-light: #F0C75E;
  --gold-muted: rgba(212, 175, 55, 0.25);
  --gold-glow: rgba(212, 175, 55, 0.4);
  --white: #FFFFFF;
  --light-bg: #F5F7FA;
  --text-dark: #111827;
  --text-muted: #5B6574;
  --text-light-muted: #CBD5E1;
  --border-light: rgba(7, 26, 61, 0.1);
  --border-dark: rgba(212, 175, 55, 0.18);
  --container-max: 1240px;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Manrope', system-ui, -apple-system, sans-serif;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--white);
  color: var(--text-dark);
}

body {
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.03em;
  color: var(--navy-primary);
}

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

button, input, select, textarea {
  font: inherit;
}

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

.container {
  width: min(var(--container-max), calc(100% - 48px));
  margin-inline: auto;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section--navy {
  background-color: var(--navy-primary);
  color: var(--white);
}

.section--navy h1, .section--navy h2, .section--navy h3 {
  color: var(--white);
}

.section--darker {
  background-color: var(--navy-dark);
  color: var(--white);
}

.section--light {
  background-color: var(--light-bg);
}

/* ==========================================================================
   ARCHITECTURAL WATERMARK SYSTEM
   ========================================================================== */
.watermark-wrap {
  position: relative;
  overflow: hidden;
}

.logo-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(850px, 90vw);
  height: min(850px, 90vw);
  opacity: 0.035;
  pointer-events: none;
  z-index: 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  background-image: url('../assets/logo/logo.png');
}

/* ==========================================================================
   TYPOGRAPHY & UI COMPONENTS
   ========================================================================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-primary);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: currentColor;
}

.section-title {
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 680px;
}

.section--navy .section-desc {
  color: var(--text-light-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold-primary) 0%, var(--gold-light) 100%);
  color: var(--navy-dark);
  box-shadow: 0 4px 18px rgba(212, 175, 55, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: var(--gold-primary);
}

.btn-secondary:hover {
  background: rgba(212, 175, 55, 0.1);
  transform: translateY(-2px);
}

.btn-ghost-dark {
  background: transparent;
  color: var(--navy-primary);
  border-color: var(--navy-primary);
}

.btn-ghost-dark:hover {
  background: var(--navy-primary);
  color: var(--white);
  transform: translateY(-2px);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  background: transparent;
}

.site-header.scrolled {
  background: rgba(7, 26, 61, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dark);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 86px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-link {
  color: var(--text-light-muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--gold-primary);
  transition: width 0.3s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--white);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--gold-primary);
  font-size: 1.8rem;
  cursor: pointer;
}

/* ==========================================================================
   HERO ARCHITECTURAL SECTION
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 80px;
  background: radial-gradient(circle at 80% 20%, rgba(12, 33, 72, 0.8) 0%, var(--navy-dark) 70%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-headline {
  font-size: clamp(2.8rem, 5.2vw, 4.6rem);
  color: var(--white);
  margin-bottom: 24px;
}

.hero-subhead {
  font-size: 1.15rem;
  color: var(--text-light-muted);
  margin-bottom: 38px;
  max-width: 580px;
  line-height: 1.7;
}

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

/* Architectural Hero Visual */
.hero-visual-card {
  position: relative;
  padding: 40px;
  border: 1px solid var(--border-dark);
  background: rgba(12, 33, 72, 0.45);
  backdrop-filter: blur(10px);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.hero-visual-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-primary), transparent);
}

.hero-logo-display {
  width: min(340px, 80%);
  height: auto;
  object-fit: contain;
  margin-bottom: 24px;
  filter: drop-shadow(0 10px 25px rgba(0,0,0,0.5));
}

.hero-axis-metrics {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border-top: 1px solid rgba(212, 175, 55, 0.15);
  padding-top: 20px;
  text-align: center;
}

.hero-axis-metrics span {
  display: block;
  font-size: 0.68rem;
  color: var(--gold-light);
  letter-spacing: 0.1em;
  font-weight: 700;
  text-transform: uppercase;
}

.hero-axis-metrics strong {
  display: block;
  font-size: 0.85rem;
  color: var(--white);
  font-family: var(--font-heading);
  margin-top: 4px;
}

/* ==========================================================================
   AARTHA 8-STAGE METHODOLOGY MODEL
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.process-node {
  background: var(--navy-card);
  border: 1px solid var(--border-dark);
  padding: 30px 24px;
  border-radius: 4px;
  position: relative;
  transition: var(--transition);
}

.process-node:hover {
  transform: translateY(-5px);
  border-color: var(--gold-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.process-number {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--gold-primary);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  display: block;
}

.process-node h3 {
  color: var(--white);
  font-size: 1.18rem;
  margin-bottom: 10px;
}

.process-node p {
  font-size: 0.84rem;
  color: var(--text-light-muted);
}

/* ==========================================================================
   CAPABILITIES / CARDS GRID
   ========================================================================== */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.card-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 50px;
}

.service-box {
  background: var(--white);
  border: 1px solid var(--border-light);
  padding: 36px 30px;
  border-radius: 4px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-box:hover {
  transform: translateY(-6px);
  border-color: var(--gold-primary);
  box-shadow: 0 15px 40px rgba(7, 26, 61, 0.08);
}

.service-box h3 {
  font-size: 1.28rem;
  margin-bottom: 14px;
}

.service-box p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-box ul {
  list-style: none;
  margin-bottom: 24px;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

.service-box ul li {
  font-size: 0.82rem;
  color: var(--navy-primary);
  font-weight: 600;
  padding: 6px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-box ul li::before {
  content: '→';
  color: var(--gold-primary);
}

/* ==========================================================================
   EDITORIAL TEAM SECTION
   ========================================================================== */
.team-editorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.team-card {
  background: var(--navy-card);
  border: 1px solid var(--border-dark);
  overflow: hidden;
  border-radius: 4px;
  transition: var(--transition);
}

.team-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-primary);
}

.team-img-frame {
  width: 100%;
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--navy-surface);
}

.team-img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.team-card:hover .team-img-frame img {
  transform: scale(1.04);
}

.team-details {
  padding: 24px 20px;
}

.team-role {
  color: var(--gold-primary);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}

.team-card h3 {
  font-size: 1.18rem;
  color: var(--white);
  margin-bottom: 12px;
}

.team-bio {
  font-size: 0.82rem;
  color: var(--text-light-muted);
  line-height: 1.6;
}

.team-email {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.78rem;
  color: var(--gold-light);
}

/* ==========================================================================
   FOOTER & NOTICES
   ========================================================================== */
.site-footer {
  background: var(--navy-dark);
  color: var(--text-light-muted);
  padding: 80px 0 30px;
  border-top: 1px solid var(--border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.footer-logo {
  height: 42px;
  width: auto;
  margin-bottom: 20px;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

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

.footer-col a {
  color: var(--text-light-muted);
  font-size: 0.84rem;
}

.footer-col a:hover {
  color: var(--gold-primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: 16px;
}