/* DS Designs — Design System */

:root {
  --navy: #1a2744;
  --navy-dark: #0f1829;
  --navy-light: #2a3d66;
  --steel: #8b9cb3;
  --steel-light: #c5d0de;
  --silver: #e8edf3;
  --white: #ffffff;
  --off-white: #f4f6f9;
  --accent: #3d6b9e;
  --text: #2c3547;
  --text-muted: #5a6578;

  --font-display: 'Rajdhani', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --header-h: 80px;
  --radius: 6px;
  --shadow: 0 4px 24px rgba(26, 39, 68, 0.08);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

/* ── Header ── */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--silver);
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo img {
  height: 44px;
  width: auto;
}

.header__right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.lang-switch {
  display: flex;
  align-items: center;
  background: var(--off-white);
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  padding: 3px;
}

.lang-switch__btn {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.65rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition);
}

.lang-switch__btn--active {
  background: var(--navy);
  color: var(--white);
}

.lang-switch__btn:hover:not(.lang-switch__btn--active) {
  color: var(--navy);
}

.lang-switch__sep {
  display: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--navy);
}

.nav__cta {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.6rem 1.4rem;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
}

.nav__cta:hover {
  background: var(--navy-light);
  transform: translateY(-1px);
}

.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(--navy);
  transition: var(--transition);
}

/* ── Hero ── */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
  background: var(--off-white);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26, 39, 68, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 39, 68, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
}

.hero__accent {
  position: absolute;
  top: 15%;
  right: -10%;
  width: 55%;
  height: 70%;
  background: linear-gradient(135deg, rgba(26, 39, 68, 0.06) 0%, rgba(61, 107, 158, 0.04) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding-block: 4rem;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero__tag::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--accent);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--navy);
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

.hero__title span {
  color: var(--accent);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

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

.btn--primary:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26, 39, 68, 0.2);
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--steel-light);
}

.btn--outline:hover {
  border-color: var(--navy);
  background: var(--white);
}

.hero__stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--steel-light);
}

.stat__value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}

.stat__label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

/* ── Services ── */

.section {
  padding-block: 6rem;
}

.section--alt {
  background: var(--off-white);
}

.section__header {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.section__tag {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1rem;
}

.section__desc {
  color: var(--text-muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

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

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--off-white);
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  color: var(--navy);
  margin-bottom: 1.25rem;
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.6rem;
}

.card__text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ── About strip ── */

.about-strip {
  background: var(--navy);
  color: var(--white);
  padding-block: 5rem;
}

.about-strip__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-strip__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.about-strip__text {
  color: var(--steel-light);
  margin-bottom: 1rem;
}

.about-strip__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-strip__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--steel-light);
}

.about-strip__item svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--accent);
  margin-top: 2px;
}

/* ── CTA ── */

.cta {
  text-align: center;
  padding-block: 5rem;
}

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1rem;
}

.cta__text {
  color: var(--text-muted);
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 400px;
  margin-inline: auto;
  margin-bottom: 2rem;
  text-align: left;
  background: var(--white);
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
}

.contact-info__item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact-info__label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.contact-info__value {
  font-size: 1.05rem;
  color: var(--navy);
  font-weight: 500;
}

.contact-info__link {
  transition: color var(--transition);
}

.contact-info__link:hover {
  color: var(--accent);
}

/* ── Footer ── */

.footer {
  background: var(--navy-dark);
  color: var(--steel);
  padding-block: 2.5rem;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer__logo img {
  height: 36px;
  width: auto;
  opacity: 0.9;
}

.footer__copy {
  font-size: 0.85rem;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
}

.footer__links a {
  font-size: 0.85rem;
  transition: color var(--transition);
}

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

/* ── Subpages ── */

.page-hero {
  position: relative;
  padding-top: calc(var(--header-h) + 3rem);
  padding-bottom: 4rem;
  background: var(--off-white);
  overflow: hidden;
}

.page-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26, 39, 68, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 39, 68, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
}

.page-hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--navy);
}

.breadcrumb__sep {
  color: var(--steel);
}

.page-hero__tag {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy);
  margin-bottom: 1.25rem;
}

.page-hero__desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.section__header--left {
  text-align: left;
  margin-inline: 0;
  max-width: 640px;
}

.process {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 720px;
}

.process__step {
  display: flex;
  gap: 1.5rem;
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--silver);
}

.process__step:first-child {
  border-top: 1px solid var(--silver);
}

.process__num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
  width: 2.5rem;
}

.process__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.4rem;
}

.process__text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.split__text {
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.65;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--off-white);
  border: 1px solid var(--silver);
  border-radius: var(--radius);
  padding: 2rem;
}

.feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text);
}

.feature-list__item svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--accent);
  margin-top: 2px;
}

.card--link {
  display: block;
  color: inherit;
  cursor: pointer;
}

.card--link:hover .card__link {
  color: var(--accent);
}

.card__link {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
  transition: color var(--transition);
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ── Responsive ── */

@media (max-width: 768px) {
  .header__right {
    gap: 0.75rem;
  }

  .lang-switch {
    order: 2;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--silver);
    padding: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__link {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--silver);
  }

  .nav__cta {
    text-align: center;
    margin-top: 0.5rem;
  }

  .nav__toggle {
    display: flex;
    order: 3;
  }

  .hero__stats {
    flex-direction: column;
    gap: 1.5rem;
  }

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

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

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