/* ============================================
   Vanshavali Bhatnagar — Styles
   ============================================ */

:root {
  --color-primary: #3b43b6;
  --color-primary-dark: #2a3185;
  --color-primary-light: #5c63d4;
  --color-accent: #d4a373;
  --color-accent-soft: #faedcd;

  --color-bg: #faf9f7;
  --color-bg-alt: #f0ebe3;
  --color-surface: #ffffff;
  --color-text: #2c2c2c;
  --color-text-muted: #6b6b6b;
  --color-border: #e8e4de;

  --font-body: "DM Sans", system-ui, sans-serif;
  --font-display: "Playfair Display", Georgia, serif;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(59, 67, 182, 0.06);
  --shadow-md: 0 8px 24px rgba(59, 67, 182, 0.1);
  --shadow-lg: 0 16px 48px rgba(59, 67, 182, 0.12);

  --header-height: 72px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

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

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

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

a:hover {
  color: var(--color-primary-light);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---- Header / Nav ---- */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(250, 249, 247, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

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

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-primary-dark);
}

.nav__logo:hover {
  color: var(--color-primary);
}

.nav__logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  padding: 0.5rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-full);
  transition: background var(--transition), color var(--transition);
}

.nav__link:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.nav__link--cta {
  margin-left: 0.5rem;
  background: var(--color-primary);
  color: #fff !important;
}

.nav__link--cta:hover {
  background: var(--color-primary-dark);
  color: #fff !important;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
    border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(59, 67, 182, 0.35);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 6px 20px rgba(59, 67, 182, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary-dark);
  border-color: rgba(59, 67, 182, 0.35);
}

.btn--outline:hover {
  background: rgba(59, 67, 182, 0.08);
  color: var(--color-primary-dark);
}

.btn--block {
  width: 100%;
}

/* ---- Hero ---- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-height) + 3rem) 0 4rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    #e8eaf8 0%,
    #cfd2f1 25%,
    #b6bbea 50%,
    #9da3e3 75%,
    #848cdc 100%
  );
  opacity: 0.45;
}

.hero__pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.4) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.3) 0%, transparent 40%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 3rem;
}

.hero__logo-img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow-lg);
}

.hero__badge {
  display: inline-block;
  padding: 0.375rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-full);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.hero__tagline {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.hero__description {
  max-width: 540px;
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

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

.hero__actions .btn--outline {
  background: rgba(255, 255, 255, 0.6);
}

/* ---- Sections ---- */

.section {
  padding: 5rem 0;
}

.section__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.section__label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.75rem;
}

.section__subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
}

/* ---- Features ---- */

.features {
  background: var(--color-surface);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

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

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(59, 67, 182, 0.2);
}

.feature-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: #fff;
  border-radius: var(--radius-md);
}

.feature-card__icon svg {
  width: 26px;
  height: 26px;
}

.feature-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.feature-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---- About ---- */

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.about__visual {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about__visual-card {
  padding: 2rem 2.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}

.about__visual-card:hover {
  transform: translateX(8px);
}

.about__visual-card--accent {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-color: transparent;
  color: #fff;
  margin-left: 2rem;
}

.about__visual-card--accent .about__stat {
  color: rgba(255, 255, 255, 0.8);
}

.about__stat {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.about__stat-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.about__visual-card--accent .about__stat-value {
  color: #fff;
}

.about__content .section__label,
.about__content .section__title {
  text-align: left;
}

.about__content p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.about__list {
  margin-top: 1.5rem;
}

.about__list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
  font-weight: 500;
}

.about__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

.about__cta {
  margin-top: 1.75rem;
}

/* ---- Download ---- */

.download {
  background: var(--color-surface);
}

.download__panel {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.download__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: #fff;
  border-radius: var(--radius-md);
}

.download__icon svg {
  width: 36px;
  height: 36px;
}

.download__note {
  margin-top: 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---- Footer ---- */

.footer {
  padding: 3.5rem 0 1.5rem;
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.9fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.0625rem;
  color: #fff;
  margin-bottom: 0.75rem;
}

.footer__logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.footer__tagline {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.7);
  max-width: 360px;
}

.footer__heading {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 1rem;
}

.footer__contact-list li {
  margin-bottom: 1rem;
}

.footer__contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 0.25rem;
}

.footer__contact-list a,
.footer__contact-list span {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.55;
}

.footer__contact-list a:hover {
  color: #fff;
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer__nav a {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: #fff;
}

.footer__bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.footer__copy {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
}

/* ---- Privacy Policy Page ---- */

.policy-page {
  padding-top: var(--header-height);
}

.policy-hero {
  padding: 4rem 0 2rem;
  background: linear-gradient(135deg, #e8eaf8 0%, #b6bbea 100%);
  opacity: 0.9;
}

.policy-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.policy-hero p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

.policy-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
}

.policy-content h2 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  color: var(--color-primary-dark);
  margin: 2.5rem 0 1rem;
}

.policy-content h2:first-of-type {
  margin-top: 0;
}

.policy-content p,
.policy-content li {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.policy-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.policy-content li {
  margin-bottom: 0.5rem;
}

.policy-content a {
  font-weight: 500;
}

.policy-updated {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.policy-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.policy-back:hover {
  color: var(--color-primary-dark);
}

/* ---- Animations ---- */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */

@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__logo {
    display: flex;
    justify-content: center;
  }

  .hero__description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about__visual-card--accent {
    margin-left: 0;
  }

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

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

  .nav__menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .nav__menu.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__link {
    display: block;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
  }

  .nav__link--cta {
    margin-left: 0;
    margin-top: 0.5rem;
    text-align: center;
  }

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

  .footer__bottom {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 3.5rem 0;
  }

  .hero__logo-img {
    width: 120px;
    height: 120px;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }
}