/* ============================================================
   PURUSHOTTAM CLASSES — Section-Level Layouts
   Hero, trust bar, programs, features, steps, testimonials, lead form
   ============================================================ */

/* ── Navigation ──────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: rgba(244, 244, 245, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-fog);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-24);
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-10);
  text-decoration: none;
}

.navbar__logo-text {
  font-size: var(--text-subheading);
  font-weight: var(--weight-bold);
  color: var(--color-obsidian);
  letter-spacing: normal;
}

.navbar__logo-sub {
  font-size: var(--text-caption);
  font-weight: var(--weight-regular);
  color: var(--color-steel);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-32);
}

.navbar__link {
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  color: var(--color-ink);
  text-decoration: none;
  transition: opacity var(--transition-fast);
  position: relative;
}

.navbar__link:hover {
  opacity: 0.7;
}

.navbar__link.active {
  color: var(--color-obsidian);
  font-weight: var(--weight-semibold);
}

.navbar__link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-obsidian);
  border-radius: var(--radius-pill);
}

.navbar__cta {
  margin-left: var(--spacing-16);
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-8);
  z-index: 110;
}

.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-obsidian);
  border-radius: 2px;
  transition: transform var(--transition-default), opacity var(--transition-default);
}

.navbar__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.navbar__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu */
.navbar__mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background-color: var(--surface-card);
  backdrop-filter: blur(17px);
  -webkit-backdrop-filter: blur(17px);
  padding: calc(var(--nav-height) + var(--spacing-24)) var(--spacing-24) var(--spacing-24);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
  transition: right var(--transition-default);
  z-index: 105;
  box-shadow: -4px 0 24px rgba(0,0,0,0.08);
}

.navbar__mobile-menu.open {
  right: 0;
}

.navbar__mobile-link {
  font-size: var(--text-subheading);
  font-weight: var(--weight-medium);
  color: var(--color-ink);
  text-decoration: none;
  padding: var(--spacing-12) 0;
  border-bottom: 1px solid var(--color-fog);
  transition: opacity var(--transition-fast);
}

.navbar__mobile-link:hover {
  opacity: 0.7;
}

.navbar__mobile-link.active {
  font-weight: var(--weight-semibold);
  color: var(--color-obsidian);
}

.navbar__mobile-cta {
  margin-top: var(--spacing-16);
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.3);
  z-index: 104;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-default), visibility var(--transition-default);
}

.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* ── Spacer for fixed nav ────────────────────────── */
.nav-spacer {
  height: var(--nav-height);
}

/* ── Hero Section ────────────────────────────────── */
.hero {
  padding: var(--spacing-80) 0 var(--spacing-64);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--spacing-64);
  align-items: center;
}

.hero__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-24);
}

.hero__headline {
  font-size: var(--text-display-sm);
  font-weight: var(--weight-bold);
  color: var(--color-obsidian);
  line-height: var(--leading-display-sm);
  letter-spacing: normal;
}

.hero__headline-accent {
  font-weight: var(--weight-bold);
  color: var(--color-ash);
}

.hero__subheadline {
  font-size: var(--text-body-lg);
  font-weight: var(--weight-regular);
  color: var(--color-ink);
  line-height: var(--leading-body-lg);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-16);
  flex-wrap: wrap;
}

.hero__trust-note {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
  font-size: var(--text-sm);
  color: var(--color-steel);
  margin-top: var(--spacing-8);
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__visual-card {
  background-color: var(--surface-card);
  border-radius: var(--radius-cards);
  padding: var(--spacing-32);
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-24);
}

.hero__visual-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-20);
}

.hero__visual-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.hero__visual-number {
  font-size: var(--text-heading);
  font-weight: var(--weight-bold);
  color: var(--color-obsidian);
  line-height: 1;
}

.hero__visual-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-regular);
  color: var(--color-steel);
}

.hero__visual-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-8);
}

/* ── Trust Bar ───────────────────────────────────── */
.trust-bar {
  padding: var(--spacing-40) 0;
}

.trust-bar__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-16);
}

.trust-bar__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-8);
  padding: var(--spacing-20) var(--spacing-16);
  background-color: var(--surface-card);
  border-radius: var(--radius-cards-compact);
  text-align: center;
}

.trust-bar__icon {
  font-size: 28px;
}

.trust-bar__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-obsidian);
}

.trust-bar__sub {
  font-size: var(--text-xs);
  color: var(--color-steel);
}

/* ── Section Header ──────────────────────────────── */
.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  max-width: 640px;
}

.section-header--center {
  align-items: center;
  text-align: center;
  margin: 0 auto;
}

.section-header__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-steel);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-header__title {
  font-size: var(--text-heading-lg);
  font-weight: var(--weight-bold);
  color: var(--color-obsidian);
  line-height: var(--leading-heading-lg);
}

.section-header__subtitle {
  font-size: var(--text-body-lg);
  font-weight: var(--weight-regular);
  color: var(--color-steel);
  line-height: var(--leading-body-lg);
}

/* ── Programs Grid ───────────────────────────────── */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-16);
  margin-top: var(--spacing-40);
}

.program-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
  padding: var(--card-padding);
  transition: transform var(--transition-fast);
}

.program-card:hover {
  transform: translateY(-4px);
}

.program-card__icon {
  font-size: 36px;
}

.program-card__title {
  font-size: var(--text-heading-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-obsidian);
}

.program-card__subtitle {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-steel);
  margin-top: calc(-1 * var(--spacing-8));
}

.program-card__description {
  font-size: var(--text-body);
  color: var(--color-ink);
  line-height: var(--leading-body);
  flex-grow: 1;
}

.program-card__link {
  font-size: var(--text-body);
  font-weight: var(--weight-medium);
  color: var(--color-obsidian);
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  text-decoration: none;
  transition: gap var(--transition-fast);
}

.program-card__link:hover {
  gap: var(--spacing-8);
  opacity: 1;
}

/* ── Features Grid (Why Parents Choose Us) ────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-16);
  margin-top: var(--spacing-40);
}

.feature-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  padding: var(--card-padding);
}

.feature-card__icon {
  font-size: 32px;
}

.feature-card__title {
  font-size: var(--text-subheading);
  font-weight: var(--weight-semibold);
  color: var(--color-obsidian);
}

.feature-card__description {
  font-size: var(--text-body);
  color: var(--color-steel);
  line-height: var(--leading-body);
}

/* ── Stats Row ───────────────────────────────────── */
.stats-section {
  padding: var(--spacing-64) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-24);
}

.stats-grid .stat-block {
  text-align: center;
  padding: var(--spacing-24);
}

/* ── How It Works ────────────────────────────────── */
.steps-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-24);
  margin-top: var(--spacing-40);
  position: relative;
}

/* Connecting line between steps */
.steps-flow::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(12.5% + 24px);
  right: calc(12.5% + 24px);
  height: 2px;
  background: linear-gradient(
    to right,
    var(--color-pebble),
    var(--color-graphite),
    var(--color-pebble)
  );
  z-index: 0;
}

.step-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-16);
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-card__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-obsidian);
  color: var(--color-snow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-heading-sm);
  font-weight: var(--weight-bold);
  flex-shrink: 0;
}

.step-card__icon {
  font-size: 24px;
  margin-top: var(--spacing-4);
}

.step-card__title {
  font-size: var(--text-body-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-obsidian);
}

.step-card__description {
  font-size: var(--text-sm);
  color: var(--color-steel);
  line-height: 1.5;
}

/* ── Testimonials ────────────────────────────────── */
.testimonials-section {
  padding: var(--spacing-80) 0;
}

.testimonials-carousel {
  position: relative;
  margin-top: var(--spacing-40);
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  transition: transform var(--transition-slow);
}

.testimonial-card {
  min-width: 100%;
  padding: 0 var(--spacing-24);
}

.testimonial-card__inner {
  background-color: var(--surface-card);
  border-radius: var(--radius-cards);
  padding: var(--spacing-40);
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-24);
}

.testimonial-card__quote-mark {
  font-size: var(--text-heading-lg);
  color: var(--color-pebble);
  line-height: 1;
  font-family: Georgia, serif;
}

.testimonial-card__quote {
  font-size: var(--text-subheading);
  font-weight: var(--weight-regular);
  color: var(--color-ink);
  line-height: var(--leading-subheading);
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.testimonial-card__name {
  font-size: var(--text-body-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-obsidian);
}

.testimonial-card__role {
  font-size: var(--text-sm);
  color: var(--color-steel);
}

.testimonial-card__stars {
  display: flex;
  gap: 2px;
  color: #f59e0b;
  font-size: 16px;
}

.testimonials-dots {
  display: flex;
  justify-content: center;
  gap: var(--spacing-8);
  margin-top: var(--spacing-24);
}

.testimonials-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-pebble);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  padding: 0;
}

.testimonials-dot.active {
  background-color: var(--color-obsidian);
  transform: scale(1.25);
}

/* ── Lead Generation Section ─────────────────────── */
.lead-section {
  padding: var(--spacing-80) 0;
}

.lead-section__inner {
  background-color: var(--surface-dark);
  border-radius: var(--radius-cards);
  padding: var(--spacing-48) var(--spacing-40);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-48);
  align-items: start;
}

.lead-section__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-20);
}

.lead-section__title {
  font-size: var(--text-heading);
  font-weight: var(--weight-bold);
  color: var(--color-snow);
  line-height: var(--leading-heading);
}

.lead-section__subtitle {
  font-size: var(--text-body-lg);
  color: var(--color-ash);
  line-height: var(--leading-body-lg);
}

.lead-section__benefits {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  margin-top: var(--spacing-8);
}

.lead-section__benefit {
  display: flex;
  align-items: center;
  gap: var(--spacing-10);
  font-size: var(--text-body);
  color: var(--color-ash);
}

.lead-section__benefit-icon {
  color: var(--color-snow);
  font-size: 16px;
  flex-shrink: 0;
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
}

.lead-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
}

.lead-form__submit {
  margin-top: var(--spacing-8);
}

.lead-form__note {
  font-size: var(--text-xs);
  color: var(--color-steel);
  text-align: center;
  margin-top: var(--spacing-4);
}

/* ── Footer ──────────────────────────────────────── */
.footer {
  background-color: var(--surface-dark);
  padding: var(--spacing-64) 0 var(--spacing-32);
  color: var(--color-snow);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--spacing-48);
}

.footer__brand-name {
  font-size: var(--text-heading-sm);
  font-weight: var(--weight-bold);
  color: var(--color-snow);
  margin-bottom: var(--spacing-12);
}

.footer__description {
  font-size: var(--text-body);
  color: var(--color-ash);
  line-height: var(--leading-body);
  max-width: 280px;
}

.footer__heading {
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  color: var(--color-snow);
  margin-bottom: var(--spacing-16);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-10);
}

.footer__link {
  font-size: var(--text-body);
  color: var(--color-ash);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-snow);
  opacity: 1;
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-10);
  font-size: var(--text-body);
  color: var(--color-ash);
  line-height: 1.5;
}

.footer__contact-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.footer__bottom {
  margin-top: var(--spacing-48);
  padding-top: var(--spacing-24);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--color-steel);
}

.footer__legal-links {
  display: flex;
  gap: var(--spacing-16);
}

.footer__legal-link {
  font-size: var(--text-sm);
  color: var(--color-steel);
  text-decoration: none;
}

.footer__legal-link:hover {
  color: var(--color-ash);
  opacity: 1;
}

/* ── Floating CTA Bar ────────────────────────────── */
.cta-float {
  position: fixed;
  bottom: var(--spacing-24);
  right: var(--spacing-24);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  z-index: 90;
  opacity: 0;
  transform: translateY(20px);
  visibility: hidden;
  transition: opacity var(--transition-default), transform var(--transition-default), visibility var(--transition-default);
}

.cta-float.visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.cta-float__btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cta-float__btn:hover {
  transform: scale(1.1);
  opacity: 1;
}

.cta-float__btn--whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-snow);
}

.cta-float__btn--call {
  background-color: var(--color-obsidian);
  color: var(--color-snow);
}

.cta-float__btn--inquiry {
  background-color: var(--color-snow);
  color: var(--color-obsidian);
  border: 1px solid var(--color-pebble);
}

/* ── Page-level CTA Strip ────────────────────────── */
.cta-strip {
  padding: var(--spacing-48) 0;
}

.cta-strip__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-16);
  flex-wrap: wrap;
}

/* ── Scroll animations ───────────────────────────── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.stagger-children > .animate-on-scroll:nth-child(1) { transition-delay: 0s; }
.stagger-children > .animate-on-scroll:nth-child(2) { transition-delay: 0.08s; }
.stagger-children > .animate-on-scroll:nth-child(3) { transition-delay: 0.16s; }
.stagger-children > .animate-on-scroll:nth-child(4) { transition-delay: 0.24s; }
.stagger-children > .animate-on-scroll:nth-child(5) { transition-delay: 0.32s; }
.stagger-children > .animate-on-scroll:nth-child(6) { transition-delay: 0.4s; }