/* ===== CSS Variables ===== */
:root {
  --primary: #0066FF;
  --primary-dark: #0052CC;
  --primary-glow: rgba(0, 102, 255, 0.12);
  --dark: #0A1628;
  --dark-light: #132039;
  --dark-mid: #1a2d4d;
  --light: #F8FAFC;
  --accent: #00D4AA;
  --accent-dark: #00B894;
  --gray: #64748B;
  --gray-light: #E2E8F0;
  --gray-lighter: #F1F5F9;
  --white: #FFFFFF;
  --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.06), 0 1px 2px rgba(10, 22, 40, 0.04);
  --shadow: 0 4px 24px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 12px 40px rgba(10, 22, 40, 0.12);
  --shadow-xl: 0 20px 60px rgba(10, 22, 40, 0.15);
  --radius: 10px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1140px;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ===== Typography ===== */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: 1.2rem; }

/* ===== SVG Icon Containers ===== */
.icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--primary);
  background: var(--primary-glow);
}

.icon-box svg {
  width: 26px;
  height: 26px;
}

.icon-box-lg {
  width: 64px;
  height: 64px;
  border-radius: 14px;
}
.icon-box-lg svg {
  width: 30px;
  height: 30px;
}

.icon-circle {
  border-radius: 50%;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  font-family: inherit;
  gap: 8px;
}

.btn-primary {
  background: var(--accent);
  color: var(--dark);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 212, 170, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
}

.btn-blue {
  background: var(--primary);
  color: var(--white);
}
.btn-blue:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 102, 255, 0.3);
}

/* ===== Header / Nav ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), #3385ff);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--white);
  letter-spacing: -0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.65);
  font-weight: 500;
  transition: color var(--transition);
  font-size: 0.92rem;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

.nav-cta {
  background: var(--accent) !important;
  color: var(--dark) !important;
  padding: 9px 22px !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
  transition: all var(--transition) !important;
}
.nav-cta:hover {
  background: var(--accent-dark) !important;
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== Hero Section ===== */
.hero {
  background: var(--dark);
  padding: 160px 0 110px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 20%, rgba(0, 102, 255, 0.12) 0%, transparent 100%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(0, 212, 170, 0.06) 0%, transparent 100%);
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 620px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 102, 255, 0.1);
  border: 1px solid rgba(0, 102, 255, 0.2);
  color: #6ba3ff;
  padding: 7px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.01em;
}

.hero h1 {
  margin-bottom: 22px;
  letter-spacing: -0.03em;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--accent) 0%, #4de8c8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 40px;
  max-width: 500px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ===== Section Styles ===== */
.section {
  padding: 100px 0;
}
.section-dark {
  background: var(--dark);
  color: var(--white);
}
.section-light {
  background: var(--light);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header p {
  color: var(--gray);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 14px auto 0;
}
.section-dark .section-header p {
  color: rgba(255, 255, 255, 0.5);
}

.section-label {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

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

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition);
  position: relative;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 0 0 4px 4px;
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before {
  opacity: 1;
}

.service-card .icon-box {
  margin-bottom: 20px;
}

.service-card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
}
.service-card p {
  color: var(--gray);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ===== Why Choose Us ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
}

.feature {
  text-align: center;
}
.feature .icon-box {
  margin: 0 auto 18px;
}
.section-dark .feature .icon-box {
  background: rgba(0, 102, 255, 0.15);
  color: #6ba3ff;
}

.feature h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}
.feature p {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.6;
}
.section-dark .feature p {
  color: rgba(255, 255, 255, 0.5);
}

/* ===== CTA Banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 80px 0;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 80% at 50% 120%, rgba(0, 212, 170, 0.15), transparent);
}
.cta-banner .container { position: relative; }
.cta-banner h2 { margin-bottom: 14px; }
.cta-banner p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Page Hero (inner pages) ===== */
.page-hero {
  background: var(--dark);
  padding: 150px 0 80px;
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 50% at 50% 30%, rgba(0, 102, 255, 0.1), transparent);
}
.page-hero .container { position: relative; }
.page-hero p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 14px auto 0;
}

/* ===== Services Page — Panels ===== */
.service-panels {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.service-panel {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: start;
  transition: all var(--transition);
  position: relative;
}
.service-panel:hover {
  border-color: rgba(0, 102, 255, 0.2);
  box-shadow: var(--shadow);
}

.service-panel .icon-box-lg {
  margin-top: 2px;
}

.service-panel-content h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}
.service-panel-content > p {
  color: var(--gray);
  font-size: 0.95rem;
  margin-bottom: 20px;
  max-width: 560px;
  line-height: 1.7;
}

.service-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}
.service-features li {
  color: var(--dark);
  font-size: 0.9rem;
  padding: 5px 0;
  padding-left: 22px;
  position: relative;
  font-weight: 500;
}
.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* ===== About Page ===== */
.about-mission {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  line-height: 1.85;
}

.founders-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 0;
}

.founder-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  text-align: center;
  transition: all var(--transition);
}
.founder-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.founder-avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 auto 20px;
  letter-spacing: -0.02em;
}

.founder-card h3 {
  margin-bottom: 4px;
  font-size: 1.2rem;
}
.founder-role {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.founder-card p {
  color: var(--gray);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ===== Values ===== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.value-item {
  text-align: center;
  padding: 28px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all var(--transition);
}
.value-item:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.1);
}

.value-item .icon-box {
  margin: 0 auto 16px;
  background: rgba(0, 102, 255, 0.15);
  color: #6ba3ff;
}
.value-item h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}
.value-item p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition);
}
.contact-card:hover {
  box-shadow: var(--shadow);
  border-color: rgba(0, 102, 255, 0.15);
}

.contact-card .icon-box {
  flex-shrink: 0;
}

.contact-card h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}
.contact-card p {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.6;
}
.contact-card a {
  color: var(--primary);
  font-weight: 500;
  font-size: 0.9rem;
}
.contact-card a:hover {
  text-decoration: underline;
}

/* ===== Contact Form ===== */
.contact-form-wrapper {
  background: var(--white);
  border: 1px solid var(--gray-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
}
.contact-form-wrapper h2 {
  font-size: 1.4rem;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 6px;
  color: var(--dark);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--gray-light);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.92rem;
  transition: all var(--transition);
  background: var(--white);
  color: var(--dark);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.08);
}
.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-submit {
  width: 100%;
  margin-top: 4px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}
.form-success.show {
  display: block;
}
.form-success .icon-box {
  margin: 0 auto 16px;
  background: rgba(0, 212, 170, 0.12);
  color: var(--accent);
}
.form-success h3 {
  margin-bottom: 8px;
}
.form-success p {
  color: var(--gray);
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.5);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  margin-top: 14px;
  font-size: 0.88rem;
  max-width: 260px;
  line-height: 1.6;
}

.footer h4 {
  color: var(--white);
  margin-bottom: 16px;
  font-size: 0.92rem;
  font-weight: 600;
}

.footer-links a {
  display: block;
  padding: 4px 0;
  font-size: 0.88rem;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 22, 40, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 4px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-links a {
    padding: 10px 0;
    font-size: 1rem;
  }
  .nav-cta {
    margin-top: 8px;
    text-align: center;
    display: block !important;
  }

  .hero { padding: 130px 0 80px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { text-align: center; }

  .section { padding: 72px 0; }
  .page-hero { padding: 120px 0 60px; }

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

  .service-panel {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 28px 24px;
  }
  .service-features { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; }
  .founders-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; gap: 24px; }
  .values-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .services-grid { gap: 16px; }
}