/* 1. Variables */
:root {
  --primary-blue: #123A73;
  --primary-red: #D71920;
  --accent-yellow: #F4C430;
  --dark-navy: #0B1F3A;
  --white: #FFFFFF;
  --light-bg: #F6F8FC;
  --text-gray: #5D6675;
  --border: #DDE5F2;
  --ink: #111A2E;
  --shadow: 0 18px 45px rgba(11, 31, 58, 0.12);
  --shadow-soft: 0 12px 28px rgba(11, 31, 58, 0.08);
  --radius: 8px;
  --container: 1160px;
}

/* 2. Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

ul {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

/* 3. Typography */
h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--dark-navy);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.08;
}

h1 {
  font-size: clamp(2.45rem, 6vw, 5.25rem);
  max-width: 920px;
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 3rem);
}

h3 {
  font-size: 1.14rem;
}

p {
  color: var(--text-gray);
  line-height: 1.75;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--accent-yellow);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: currentColor;
}

.eyebrow.blue {
  color: var(--primary-blue);
}

.eyebrow.red {
  color: var(--primary-red);
}

.eyebrow.yellow {
  color: var(--accent-yellow);
}

/* 4. Layout */
.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.section-soft {
  background:
    linear-gradient(135deg, rgba(18, 58, 115, 0.045), rgba(244, 196, 48, 0.055)),
    var(--light-bg);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading.centered .eyebrow {
  justify-content: center;
}

.center-actions {
  display: flex;
  justify-content: center;
  margin-top: 38px;
}

.split-content {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 52px;
  align-items: start;
}

/* 5. Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(221, 229, 242, 0.75);
  backdrop-filter: blur(16px);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.site-header.is-scrolled {
  border-color: transparent;
  box-shadow: 0 14px 32px rgba(11, 31, 58, 0.1);
}

.navbar {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  width: 136px;
  height: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  padding: 12px 14px;
  color: var(--dark-navy);
  font-size: 0.95rem;
  font-weight: 800;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 2px;
  background: var(--primary-red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--primary-blue);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  width: 21px;
  height: 2px;
  border-radius: 999px;
  background: var(--dark-navy);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

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

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

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

/* 6. Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

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

.btn:focus-visible,
.nav-link:focus-visible,
.nav-toggle:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.floating-whatsapp:focus-visible,
.chatbot-launcher:focus-visible,
.chatbot-close:focus-visible,
.chatbot-action:focus-visible,
.chatbot-send:focus-visible {
  outline: 3px solid rgba(244, 196, 48, 0.9);
  outline-offset: 3px;
}

.btn-primary,
.btn-nav {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-blue), #0D2D5A);
  box-shadow: 0 12px 24px rgba(18, 58, 115, 0.2);
}

.btn-primary:hover,
.btn-nav:hover {
  box-shadow: 0 18px 30px rgba(18, 58, 115, 0.28);
}

.btn-nav.active {
  background: linear-gradient(135deg, var(--primary-red), #B9141A);
}

.btn-secondary {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-red), #B9141A);
  box-shadow: 0 12px 24px rgba(215, 25, 32, 0.2);
}

.btn-light {
  color: var(--dark-navy);
  background: var(--white);
  box-shadow: 0 14px 30px rgba(255, 255, 255, 0.18);
}

.btn-outline-light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
}

/* 7. Hero */
.hero,
.page-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.home-hero {
  min-height: calc(100vh - 84px);
  display: grid;
  align-items: center;
  padding: 92px 0;
  background:
    linear-gradient(90deg, rgba(11, 31, 58, 0.88), rgba(11, 31, 58, 0.62), rgba(18, 58, 115, 0.34)),
    url("../Class images/3.jpeg") center/cover no-repeat;
}

.hero::after {
  content: "";
  position: absolute;
  right: -110px;
  bottom: -110px;
  width: 330px;
  height: 330px;
  border: 44px solid rgba(244, 196, 48, 0.18);
  border-radius: 50%;
  z-index: -1;
}

.hero-content h1,
.hero-content p,
.page-hero h1,
.page-hero p {
  color: var(--white);
}

.hero-content p {
  max-width: 700px;
  margin-bottom: 34px;
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-hero {
  padding: 94px 0;
  background:
    linear-gradient(135deg, rgba(11, 31, 58, 0.94), rgba(18, 58, 115, 0.82)),
    url("https://images.unsplash.com/photo-1524178232363-1fb2b075b655?auto=format&fit=crop&w=1600&q=80") center/cover;
}

.page-hero h1 {
  margin-bottom: 18px;
}

.page-hero p {
  max-width: 700px;
  margin-bottom: 0;
  font-size: 1.08rem;
}

/* 8. Homepage */
.intro-grid {
  display: grid;
  grid-template-columns: 6px minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 30px;
  align-items: center;
}

.section-kicker {
  width: 6px;
  height: 100%;
  min-height: 150px;
  background: linear-gradient(var(--primary-blue), var(--primary-red), var(--accent-yellow));
  border-radius: 999px;
}

.program-preview-grid,
.feature-grid,
.campus-grid,
.mission-grid {
  display: grid;
  gap: 22px;
}

.program-preview-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mini-card,
.feature-card,
.campus-card,
.mission-card,
.story-panel,
.enroll-form,
.enroll-info {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.mini-card {
  position: relative;
  min-height: 174px;
  padding: 28px;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.mini-card::after,
.service-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-blue), var(--primary-red), var(--accent-yellow));
}

.mini-card:hover,
.feature-card:hover,
.campus-card:hover,
.service-card:hover,
.mission-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.mini-icon {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 20px;
  border-radius: var(--radius);
  color: var(--white);
  background: var(--primary-blue);
}

.mini-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mini-card:nth-child(3n + 2) .mini-icon {
  background: var(--primary-red);
}

.mini-card:nth-child(3n) .mini-icon {
  color: var(--dark-navy);
  background: var(--accent-yellow);
}

.mini-card p {
  margin-bottom: 0;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card {
  padding: 28px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.icon-wrap,
.service-icon {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
  border-radius: var(--radius);
  color: var(--white);
  background: var(--primary-blue);
}

.icon-wrap svg,
.service-icon svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.red-icon {
  background: var(--primary-red);
}

.yellow-icon {
  color: var(--dark-navy);
  background: var(--accent-yellow);
}

.feature-card p,
.campus-card p,
.mission-card p {
  margin-bottom: 0;
}

.campus-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.campus-card {
  padding: 32px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.location-pin {
  display: inline-block;
  position: relative;
  width: 44px;
  height: 44px;
  margin-bottom: 22px;
  border-radius: 50% 50% 50% 0;
  background: var(--primary-blue);
  transform: rotate(-45deg);
}

.location-pin::after {
  content: "";
  position: absolute;
  inset: 13px;
  border-radius: 50%;
  background: var(--white);
}

.red-pin {
  background: var(--primary-red);
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 48px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(11, 31, 58, 0.98), rgba(18, 58, 115, 0.95)),
    var(--dark-navy);
  box-shadow: var(--shadow);
}

.cta-band h2,
.cta-band p {
  color: var(--white);
}

.cta-band p {
  margin-bottom: 0;
  opacity: 0.86;
}

/* 9. Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.service-card h2 {
  margin-bottom: 10px;
  font-size: 1.42rem;
}

.service-subtitle {
  margin: -4px 0 12px;
  color: var(--primary-red);
  font-weight: 800;
}

.service-card ul {
  display: grid;
  gap: 10px;
  margin: 4px 0 26px;
}

.service-card li {
  position: relative;
  padding-left: 28px;
  color: var(--dark-navy);
  font-weight: 700;
}

.service-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent-yellow);
  box-shadow: 0 0 0 5px rgba(244, 196, 48, 0.18);
}

.service-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* 10. About */
.story-panel,
.mission-card,
.enroll-info {
  padding: 34px;
}

.story-panel p:last-child {
  margin-bottom: 0;
}

.mission-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mission-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

/* 11. Enrollment Form */
.enroll-section {
  background:
    linear-gradient(180deg, var(--white), var(--light-bg));
}

.enroll-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.6fr);
  gap: 32px;
  align-items: start;
}

.enroll-info {
  position: sticky;
  top: 112px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 28px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--light-bg);
}

.contact-card .location-pin {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  margin-bottom: 0;
}

.contact-card .location-pin::after {
  inset: 10px;
}

.contact-card strong,
.contact-card a {
  display: block;
}

.contact-card a {
  margin-top: 4px;
  color: var(--primary-blue);
  font-weight: 800;
}

.enroll-form {
  padding: 34px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field.full {
  grid-column: 1 / -1;
}

label {
  color: var(--dark-navy);
  font-weight: 800;
}

label span {
  color: var(--primary-red);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input,
select {
  height: 52px;
  padding: 0 14px;
}

textarea {
  min-height: 132px;
  resize: vertical;
  padding: 14px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 4px rgba(18, 58, 115, 0.1);
}

.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea {
  border-color: var(--primary-red);
}

.error-message {
  min-height: 18px;
  color: var(--primary-red);
  font-size: 0.82rem;
  font-weight: 700;
}

.form-status {
  min-height: 24px;
  margin-top: 18px;
  color: var(--primary-red);
  font-weight: 800;
}

.form-submit {
  margin-top: 14px;
  width: 100%;
}

/* 12. Footer */
.site-footer {
  background:
    linear-gradient(135deg, #07162A, var(--dark-navy));
  color: rgba(255, 255, 255, 0.82);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.8fr 0.9fr 1.2fr;
  gap: 34px;
  padding: 64px 0 40px;
}

.footer-brand img {
  width: 164px;
  height: auto;
  object-fit: contain;
  margin-bottom: 18px;
  padding: 8px;
  border-radius: var(--radius);
  background: var(--white);
}

.site-footer h2 {
  margin-bottom: 18px;
  color: var(--white);
  font-size: 1rem;
}

.site-footer h2::after {
  content: "";
  display: block;
  width: 38px;
  height: 2px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--primary-red), var(--accent-yellow));
}

.site-footer a,
.site-footer p {
  display: block;
  margin: 0 0 10px;
  color: rgba(255, 255, 255, 0.78);
}

.site-footer a:hover {
  color: var(--accent-yellow);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 20px;
  text-align: center;
}

.footer-bottom p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

/* 13. WhatsApp Button */
.floating-whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 1001;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  color: var(--white);
  background: #25D366;
  box-shadow: 0 16px 32px rgba(37, 211, 102, 0.34);
  animation: whatsappPulse 2.8s ease-in-out infinite;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.floating-whatsapp:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 22px 40px rgba(37, 211, 102, 0.42);
}

.floating-whatsapp svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

/* 14. Chatbot */
.chatbot-launcher {
  position: fixed;
  right: 22px;
  bottom: 94px;
  z-index: 1001;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 0;
  border-radius: 50%;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-red));
  box-shadow: 0 16px 32px rgba(18, 58, 115, 0.28);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.chatbot-launcher:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 22px 42px rgba(18, 58, 115, 0.36);
}

.chatbot-launcher.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.chatbot-launcher svg,
.chatbot-close svg,
.chatbot-send svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chatbot-panel {
  position: fixed;
  right: 22px;
  bottom: 94px;
  z-index: 1002;
  display: none;
  width: min(380px, calc(100vw - 44px));
  max-height: min(540px, calc(100dvh - 124px));
  overflow: hidden;
  border: 1px solid rgba(221, 229, 242, 0.9);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 24px 60px rgba(11, 31, 58, 0.24);
}

.chatbot-panel.is-open {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
}

.chatbot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 18px 16px;
  color: var(--white);
  background: linear-gradient(135deg, var(--dark-navy), var(--primary-blue));
}

.chatbot-header strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
}

.chatbot-header span {
  display: block;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.35;
}

.chatbot-close {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.chatbot-close:hover {
  background: rgba(255, 255, 255, 0.18);
}

.chatbot-messages {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 270px;
  padding: 18px;
  overflow-y: auto;
  background: linear-gradient(180deg, var(--white), var(--light-bg));
}

.chat-message {
  max-width: 86%;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  line-height: 1.55;
  white-space: pre-line;
}

.chat-message p {
  margin: 0;
  color: inherit;
  line-height: inherit;
}

.chat-message.bot {
  justify-self: start;
  color: var(--dark-navy);
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: 0 8px 18px rgba(11, 31, 58, 0.06);
}

.chat-message.user {
  justify-self: end;
  color: var(--white);
  background: var(--primary-blue);
}

.chat-actions,
.chatbot-quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chat-actions {
  margin-top: 12px;
}

.chatbot-quick-actions {
  padding: 0 18px 14px;
  background: var(--light-bg);
}

.chatbot-action {
  min-height: 34px;
  border: 1px solid rgba(18, 58, 115, 0.18);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--primary-blue);
  background: var(--white);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.chatbot-action:hover {
  border-color: var(--primary-red);
  color: var(--primary-red);
  transform: translateY(-1px);
}

.chatbot-composer {
  display: flex;
  gap: 10px;
  padding: 14px;
  border-top: 1px solid var(--border);
  background: var(--white);
}

.chatbot-input {
  height: 44px;
  min-width: 0;
  padding: 0 13px;
  font-size: 0.9rem;
}

.chatbot-send {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: var(--radius);
  color: var(--white);
  background: var(--primary-red);
  box-shadow: 0 10px 20px rgba(215, 25, 32, 0.2);
}

.chatbot-send:hover {
  background: #B9141A;
}

/* 15. Animations */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes whatsappPulse {
  0%,
  100% {
    box-shadow: 0 16px 32px rgba(37, 211, 102, 0.34), 0 0 0 0 rgba(37, 211, 102, 0.2);
  }
  50% {
    box-shadow: 0 16px 32px rgba(37, 211, 102, 0.34), 0 0 0 10px rgba(37, 211, 102, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* 16. Responsive Styles */
@media (max-width: 980px) {
  .section {
    padding: 76px 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: absolute;
    top: 100%;
    left: 20px;
    right: 20px;
    display: grid;
    gap: 4px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

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

  .nav-link,
  .btn-nav {
    width: 100%;
  }

  .nav-link {
    padding: 14px;
  }

  .nav-link::after {
    left: 14px;
    right: auto;
    width: 36px;
  }

  .program-preview-grid,
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .intro-grid,
  .split-content,
  .enroll-layout {
    grid-template-columns: 1fr;
  }

  .section-kicker {
    width: 84px;
    height: 5px;
    min-height: 5px;
  }

  .enroll-info {
    position: static;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .navbar {
    min-height: 74px;
  }

  .brand img {
    width: 108px;
    height: auto;
  }

  .footer-brand img {
    width: 148px;
  }

  .home-hero {
    min-height: 660px;
    padding: 76px 0;
  }

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

  .hero-actions,
  .cta-actions,
  .cta-band {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .btn,
  .cta-actions .btn,
  .cta-band > .btn {
    width: 100%;
  }

  .program-preview-grid,
  .services-grid,
  .feature-grid,
  .campus-grid,
  .mission-grid,
  .form-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .mini-card,
  .feature-card,
  .campus-card,
  .service-card,
  .story-panel,
  .mission-card,
  .enroll-form,
  .enroll-info,
  .cta-band {
    padding: 24px;
  }

  .floating-whatsapp {
    right: 16px;
    bottom: 16px;
    width: 54px;
    height: 54px;
  }

  .chatbot-launcher {
    right: 16px;
    bottom: 84px;
    width: 54px;
    height: 54px;
  }

  .chatbot-panel {
    right: 12px;
    bottom: 84px;
    width: calc(100vw - 24px);
    max-width: 380px;
    max-height: calc(100dvh - 108px);
  }

  .chatbot-messages {
    min-height: 220px;
  }
}