/* ========================================
   KARANGON - Corporate Website Styles
   ======================================== */

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

:root {
  --navy: #1a2332;
  --navy-light: #243447;
  --blue: #2563eb;
  --blue-hover: #1d4ed8;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --green: #16a34a;
  --amber: #d97706;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
}

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

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

/* --- Header & Navigation --- */
.header {
  background: var(--navy);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--white);
}

.nav__logo img {
  display: block;
  height: 36px;
  width: auto;
}

.footer__brand img {
  display: block;
  height: 32px;
  width: auto;
}

.nav__links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav__links a {
  color: var(--gray-300);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
  padding: 4px 0;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--white);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 100px 24px;
  text-align: center;
}

.hero__title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--gray-300);
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero__cta {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: background var(--transition);
}

.hero__cta:hover {
  background: var(--blue-hover);
}

/* --- Sections --- */
.section {
  padding: 80px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.section--gray {
  background: var(--gray-50);
  max-width: 100%;
  padding: 80px 24px;
}

.section--gray > .section__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section__title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  color: var(--navy);
}

.section__desc {
  text-align: center;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
}

/* --- Cards Grid --- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  transition: box-shadow var(--transition), transform var(--transition);
  border: 1px solid var(--gray-200);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card__icon {
  width: 56px;
  height: 56px;
  background: var(--blue);
  color: var(--white);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--navy);
}

.card__text {
  color: var(--gray-500);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- Projects Page --- */
.project {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  margin-bottom: 40px;
  transition: box-shadow var(--transition);
}

.project:hover {
  box-shadow: var(--shadow-lg);
}

.project__body {
  padding: 40px;
}

.project__badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.project__badge--prototype {
  background: #dbeafe;
  color: #1e40af;
}

.project__badge--testing {
  background: #fef3c7;
  color: #92400e;
}

.project__badge--deployed {
  background: #dcfce7;
  color: #166534;
}

.project__name {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.project__type {
  color: var(--gray-500);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.project__desc {
  color: var(--gray-700);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.project__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
}

.project__meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.project__meta-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-500);
}

.project__meta-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
}

/* --- Team Page --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.team-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-200);
  padding: 32px;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}

.team-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.team-card__avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  margin: 0 auto 16px;
  object-fit: cover;
  border: 3px solid var(--gray-200);
}

.team-card__name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.team-card__role {
  font-size: 0.85rem;
  color: var(--gray-500);
  font-weight: 500;
  margin-bottom: 12px;
}

.team-card__email {
  font-size: 0.85rem;
  color: var(--blue);
  word-break: break-all;
}

.team-card__email a {
  color: var(--blue);
  transition: color var(--transition);
}

.team-card__email a:hover {
  color: var(--blue-hover);
  text-decoration: underline;
}

/* --- Footer --- */
.footer {
  background: var(--navy);
  color: var(--gray-300);
  padding: 48px 24px;
}

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

.footer__brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 2px;
}

.footer__brand span {
  color: var(--blue);
}

.footer__text {
  font-size: 0.9rem;
}

.footer__links {
  display: flex;
  list-style: none;
  gap: 24px;
}

.footer__links a {
  color: var(--gray-300);
  font-size: 0.9rem;
  transition: color var(--transition);
}

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

/* --- About Grid (Home page) --- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.about-item {
  text-align: center;
  padding: 24px;
}

.about-item__icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.about-item__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.about-item__text {
  color: var(--gray-500);
  font-size: 0.95rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    box-shadow: var(--shadow-lg);
  }

  .nav__links.open {
    display: flex;
  }

  .nav__toggle {
    display: block;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1.05rem;
  }

  .hero {
    padding: 64px 24px;
  }

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

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

  .project__body {
    padding: 24px;
  }

  .project__meta {
    flex-direction: column;
    gap: 16px;
  }

  .team-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .section {
    padding: 48px 16px;
  }

  .section--gray {
    padding: 48px 16px;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 1.6rem;
  }

  .section__title {
    font-size: 1.5rem;
  }

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