/* ============================================
   KWAGHFAN — Landing Page Styles
   Brand: RSMS dark palette + blue accent
   ============================================ */

:root {
  --bg-deep: #0C1E3A;
  --bg-dark: #102848;
  --bg-card: #16345C;
  --bg-elevated: #1A3D6B;
  --blue: #4DA3FF;
  --blue-dim: rgba(77, 163, 255, 0.14);
  --blue-glow: rgba(77, 163, 255, 0.10);
  --blue-dark: #2E86E6;
  --white: #FFFFFF;
  --text-primary: rgba(255, 255, 255, 0.94);
  --text-secondary: rgba(255, 255, 255, 0.62);
  --text-muted: rgba(255, 255, 255, 0.42);
  --border: rgba(255, 255, 255, 0.08);
  --border-blue: rgba(77, 163, 255, 0.22);
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: all 0.3s ease;
}

.nav.scrolled {
  background: rgba(12, 30, 58, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo-text {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--white);
  letter-spacing: -0.02em;
}

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

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s;
  letter-spacing: 0.01em;
}

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

.nav-active { color: var(--white) !important; }
.nav-active::after {
  content: '';
  display: block;
  width: 100%;
  height: 2px;
  background: var(--blue);
  margin-top: 3px;
  border-radius: 2px;
}

.nav-cta {
  background: var(--blue) !important;
  color: var(--white) !important;
  padding: 8px 20px !important;
  border-radius: 8px;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}

.nav-cta:hover { background: var(--blue-dark) !important; }

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

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(12, 30, 58, 0.98);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.mobile-menu.open { opacity: 1; pointer-events: all; }

.mobile-menu a {
  font-size: 20px;
  font-weight: 500;
  color: var(--text-secondary);
}

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

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 24px 60px;
  overflow: hidden;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  background: url('assets/brand-pattern.png') center/cover no-repeat;
  opacity: 0.04;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero-glow-1 {
  top: -10%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(77,163,255,0.22) 0%, transparent 70%);
}

.hero-glow-2 {
  bottom: 10%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(77,163,255,0.08) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue);
  border: 1px solid var(--border-blue);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 400;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

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

.hero-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  color: var(--white);
  border-color: rgba(255,255,255,0.2);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 17px;
}

/* Hero stat bar */
.hero-stat-bar {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  margin-top: auto;
  padding-top: 60px;
}

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

.hero-stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--white);
  margin-bottom: 4px;
}

.hero-stat-label {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ============================================
   SECTIONS
   ============================================ */

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

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

.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.section-intro {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 60px;
}

/* ============================================
   PROBLEM SECTION
   ============================================ */

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 60px;
  align-items: start;
  margin-top: 40px;
}

.problem-text p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.problem-callout {
  position: sticky;
  top: 120px;
}

.problem-callout-inner {
  background: var(--bg-elevated);
  border: 1px solid var(--border-blue);
  border-radius: 16px;
  padding: 48px 36px;
  text-align: center;
}

.problem-callout-number {
  display: block;
  font-family: var(--font-display);
  font-size: 96px;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 16px;
}

.problem-callout-text {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ============================================
   SOLUTION CARDS
   ============================================ */

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

.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  transition: border-color 0.3s, transform 0.3s;
}

.solution-card:hover {
  border-color: var(--border-blue);
  transform: translateY(-4px);
}

.solution-card-icon {
  width: 56px;
  height: 56px;
  background: var(--blue-dim);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  margin-bottom: 24px;
}

.solution-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 12px;
}

.solution-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ============================================
   USE CASES
   ============================================ */

.usecase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 48px;
}

.usecase-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.3s;
}

.usecase-card:hover { border-color: var(--border-blue); }

.usecase-featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-elevated) 0%, rgba(77,163,255,0.06) 100%);
  border-color: var(--border-blue);
  padding: 44px 40px;
}

.usecase-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-dim);
  padding: 5px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.usecase-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 12px;
}

.usecase-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.usecase-example {
  margin-top: 24px;
  padding: 20px 24px;
  background: rgba(77,163,255,0.08);
  border-left: 3px solid var(--blue);
  border-radius: 0 10px 10px 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.usecase-example-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 8px;
}

/* ============================================
   TECHNOLOGY
   ============================================ */

.tech-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin: 60px 0;
  flex-wrap: wrap;
  justify-content: center;
}

.tech-step {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  text-align: center;
  padding: 0 16px;
}

.tech-step-marker {
  width: 48px;
  height: 48px;
  background: var(--blue-dim);
  border: 2px solid var(--blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--blue);
  margin: 0 auto 20px;
}

.tech-step h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}

.tech-step p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

.tech-connector {
  width: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: 40px;
}

.tech-connector::after {
  content: '';
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--border-blue), var(--blue), var(--border-blue));
}

.tech-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 20px;
}

.tech-detail {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.tech-detail h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}

.tech-detail p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ============================================
   PARTNERS
   ============================================ */

.partner-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.partner-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  transition: border-color 0.3s;
}

.partner-card:hover { border-color: var(--border-blue); }

.partner-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 12px;
}

.partner-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

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

.section-cta {
  background: var(--bg-deep);
  text-align: center;
  padding: 140px 0;
  position: relative;
  overflow: hidden;
}

.cta-pattern {
  position: absolute;
  inset: 0;
  background: url('assets/brand-pattern.png') center/cover no-repeat;
  opacity: 0.03;
}

.cta-container { position: relative; }

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 400;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.cta-text {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
}

.cta-actions {
  display: flex;
  justify-content: center;
}

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

.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-logo {
  height: 24px;
  opacity: 0.4;
}

.footer-tagline {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

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

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .mobile-menu { display: flex; }

  .hero { padding: 120px 24px 40px; min-height: auto; }
  .hero-stat-bar { flex-direction: column; gap: 24px; padding-top: 48px; }
  .hero-stat-divider { width: 40px; height: 1px; }

  .problem-grid { grid-template-columns: 1fr; gap: 40px; }
  .problem-callout { position: static; }

  .solution-cards { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: 1fr; }
  .tech-details { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: 1fr; }

  .tech-flow { flex-direction: column; align-items: center; }
  .tech-step { max-width: 100%; }
  .tech-connector { width: auto; height: 30px; padding-bottom: 0; }
  .tech-connector::after { width: 2px; height: 20px; }

  .section { padding: 80px 0; }
  .section-cta { padding: 100px 0; }

  .footer-inner { flex-direction: column; text-align: center; }
  .footer-left { flex-direction: column; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 16px; }
  .section-title { font-size: 28px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
}

/* ============================================
   REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .solution-card, .usecase-card, .partner-card, .btn-primary { transition: none; }
  .solution-card:hover { transform: none; }
}

/* ============================================
   CAREERS PAGE
   ============================================ */

.careers-hero {
  position: relative;
  padding: 180px 24px 100px;
  overflow: hidden;
}

.careers-hero-content {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.careers-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 400;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.careers-subtitle {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
}

/* Why grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.3s;
}

.why-card:hover { border-color: var(--border-blue); }

.why-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 12px;
}

.why-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* Roles list */
.roles-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 48px;
}

.role-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  transition: border-color 0.3s;
}

.role-item:hover { border-color: var(--border-blue); }

.role-main h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 12px;
}

.role-main p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
  max-width: 640px;
}

.role-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.role-tag {
  font-size: 13px;
  font-weight: 500;
  color: var(--blue);
  background: var(--blue-dim);
  padding: 6px 14px;
  border-radius: 6px;
}

.role-side {
  flex-shrink: 0;
}

.role-level {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 100px;
}

.roles-note {
  margin-top: 28px;
  padding: 24px 28px;
  background: var(--blue-dim);
  border-left: 3px solid var(--blue);
  border-radius: 0 10px 10px 0;
}

.roles-note p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* Embedded application form */
.form-embed {
  max-width: 720px;
  margin: 8px auto 0;
  background: #FFFFFF;
  border-radius: 20px;
  padding: 32px 36px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}

.form-embed iframe {
  display: block;
  width: 100%;
  border: none;
  background: transparent;
}

@media (max-width: 900px) {
  .careers-hero { padding: 140px 24px 60px; }
  .why-grid { grid-template-columns: 1fr; }
  .role-item { flex-direction: column; gap: 20px; }
  .form-embed { padding: 20px 18px; }
}