:root {
  --navy: #021039;
  --blue: #0055ff;
  --blue-2: #2f78ff;
  --sky: #eaf2ff;
  --light: #f6f9ff;
  --text: #14213d;
  --muted: #5d6b86;
  --border: #dfe8f6;
  --white: #ffffff;
  --orange: #ffb13b;
  --shadow: 0 30px 90px rgba(2, 16, 57, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
}

img, svg {
  max-width: 100%;
}

a {
  color: inherit;
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(223, 232, 246, 0.8);
}

.nav-wrapper {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
  text-decoration: none;
  font-size: 25px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand-icon {
  width: 43px;
  height: 43px;
  display: inline-grid;
  place-items: center;
  border-radius: 14px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--blue));
  box-shadow: 0 14px 34px rgba(0, 85, 255, 0.25);
  font-size: 15px;
  letter-spacing: -0.05em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.main-nav a {
  color: var(--navy);
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
}

.nav-cta {
  padding: 12px 20px;
  border-radius: 999px;
  color: var(--white) !important;
  background: var(--blue);
  box-shadow: 0 12px 30px rgba(0, 85, 255, 0.22);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--navy);
}

.hero {
  position: relative;
  min-height: 760px;
  padding: 92px 0 80px;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 15%, rgba(0, 85, 255, 0.16), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f5f9ff 100%);
}

.hero-bg {
  position: absolute;
  border-radius: 999px;
  filter: blur(20px);
  opacity: 0.7;
}

.hero-bg-one {
  right: -120px;
  top: 120px;
  width: 360px;
  height: 360px;
  background: rgba(0, 85, 255, 0.16);
}

.hero-bg-two {
  left: -160px;
  bottom: 20px;
  width: 320px;
  height: 320px;
  background: rgba(2, 16, 57, 0.12);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 52px;
}

.eyebrow,
.section-badge {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(0, 85, 255, 0.1);
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 6px rgba(0, 85, 255, 0.12);
}

.hero h1 {
  max-width: 720px;
  margin-top: 20px;
  color: var(--navy);
  font-size: clamp(44px, 6vw, 78px);
  line-height: 0.96;
  letter-spacing: -0.07em;
  font-weight: 600;
}

.hero-text {
  max-width: 660px;
  margin: 26px 0 34px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 850;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  box-shadow: 0 18px 40px rgba(0, 85, 255, 0.25);
}

.btn-secondary {
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--border);
}

.btn-white {
  color: var(--blue);
  background: var(--white);
}

.hero-trust {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 42px;
  max-width: 640px;
}

.hero-trust div {
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
}

.hero-trust strong {
  display: block;
  color: var(--navy);
  font-size: 28px;
  font-weight: 900;
}

.hero-trust span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 650;
}

.hero-showcase {
  position: relative;
}

.browser-card {
  border: 1px solid var(--border);
  border-radius: 32px;
  background: var(--white);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.browser-top {
  height: 58px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 22px;
  border-bottom: 1px solid var(--border);
  background: #f8fbff;
}

.browser-top span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #ccd7ea;
}

.browser-top p {
  margin-left: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.learning-panel {
  padding: 28px;
}

.student-card,
.class-card,
.mini-grid div {
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--white);
}

.student-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px;
}

.avatar,
.author-avatar {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--blue));
  font-weight: 900;
}

.student-card h4 {
  color: var(--navy);
  font-size: 16px;
}

.student-card p {
  color: var(--muted);
  font-size: 13px;
}

.status {
  margin-left: auto;
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--blue);
  background: rgba(0, 85, 255, 0.1);
  font-size: 12px;
  font-weight: 850;
}

.class-card {
  margin-top: 18px;
  padding: 24px;
  color: var(--white);
  background: linear-gradient(140deg, var(--navy), var(--blue));
  border: 0;
}

.class-card span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 800;
}

.class-card h3 {
  margin: 10px 0 18px;
  font-size: 25px;
  line-height: 1.2;
}

.class-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.class-meta p,
.class-card button {
  border-radius: 999px;
}

.class-meta p {
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.13);
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
}

.class-card button {
  border: 0;
  padding: 12px 18px;
  color: var(--blue);
  background: var(--white);
  font-weight: 900;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.mini-grid div {
  padding: 18px 12px;
  text-align: center;
}

.mini-grid strong {
  display: block;
  color: var(--navy);
  font-size: 22px;
  font-weight: 900;
}

.mini-grid span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.floating-card {
  position: absolute;
  min-width: 160px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 50px rgba(2, 16, 57, 0.12);
}

.floating-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.floating-card strong {
  display: block;
  margin-top: 5px;
  color: var(--navy);
  font-size: 20px;
  font-weight: 900;
}

.card-one {
  right: -24px;
  top: 110px;
}

.card-two {
  left: -30px;
  bottom: 72px;
}

.logo-strip {
  padding: 22px 0;
  background: var(--navy);
  color: var(--white);
}

.strip-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  text-align: center;
}

.strip-grid span {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 800;
}

.platform-section,
.workflow-section,
.modules-section,
.faq-section {
  padding: 105px 0;
  background: var(--white);
}

.section-header {
  max-width: 850px;
  margin: 0 auto 60px;
  text-align: center;
}

.section-header .section-badge {
  margin-bottom: 18px;
}

.section-header h2,
.experience-content h2,
.dashboard-content h2,
.faq-title h2,
.contact-card h2 {
  color: var(--navy);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.06em;
  font-weight: 700;
}

.section-header p,
.experience-content > p,
.dashboard-content > p,
.faq-title p,
.contact-card p {
  margin-top: 20px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.left {
  margin-bottom: 18px;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.platform-card,
.workflow-card,
.module-card {
  position: relative;
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: var(--white);
  box-shadow: 0 24px 70px rgba(2, 16, 57, 0.07);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.platform-card:hover,
.workflow-card:hover,
.module-card:hover {
  transform: translateY(-8px);
  border-color: var(--blue);
  box-shadow: 0 30px 90px rgba(0, 85, 255, 0.12);
}

.platform-card.highlighted {
  border: 2px solid var(--blue);
  background: linear-gradient(180deg, #ffffff, #f7faff);
}

.platform-tag {
  position: absolute;
  top: -16px;
  right: 28px;
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--navy);
  font-size: 12px;
  font-weight: 900;
}

.platform-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 18px;
  background: rgba(0, 85, 255, 0.1);
  font-size: 27px;
}

.platform-card h3,
.workflow-card h3,
.module-card h3 {
  margin-bottom: 13px;
  color: var(--navy);
  font-size: 23px;
  line-height: 1.2;
  font-weight: 900;
}

.platform-card p,
.workflow-card p,
.module-card p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.experience-section,
.dashboard-section {
  padding: 105px 0;
  background: linear-gradient(180deg, #f6f9ff, #ffffff);
}

.experience-grid,
.dashboard-grid,
.faq-grid,
.contact-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.feature-list {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.feature-list > div {
  display: flex;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
}

.feature-list span,
.workflow-card span {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--white);
  background: var(--blue);
  font-weight: 900;
}

.feature-list h4 {
  color: var(--navy);
  font-size: 18px;
  font-weight: 900;
}

.feature-list p {
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.6;
}

.phone-stack {
  position: relative;
  min-height: 500px;
}

.phone {
  position: absolute;
  width: 270px;
  min-height: 500px;
  padding: 28px 22px;
  border: 10px solid var(--navy);
  border-radius: 38px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.phone-back {
  right: 170px;
  top: 45px;
  transform: rotate(-8deg);
  opacity: 0.75;
}

.phone-front {
  right: 40px;
  top: 0;
  transform: rotate(7deg);
}

.phone-header {
  width: 82px;
  height: 8px;
  margin: 0 auto 32px;
  border-radius: 999px;
  background: #dbe5f6;
}

.phone-header.blue {
  background: var(--blue);
}

.phone h4 {
  color: var(--navy);
  font-size: 21px;
}

.phone p {
  margin: 8px 0 26px;
  color: var(--muted);
  font-weight: 700;
}

.progress-ring {
  width: 142px;
  height: 142px;
  display: grid;
  place-items: center;
  margin: 26px auto;
  border-radius: 50%;
  color: var(--blue);
  background: conic-gradient(var(--blue) 78%, #e8eef8 0);
  font-size: 30px;
  font-weight: 900;
  box-shadow: inset 0 0 0 18px var(--white);
}

.phone button {
  width: 100%;
  padding: 14px;
  border: 0;
  border-radius: 999px;
  color: var(--white);
  background: var(--blue);
  font-weight: 900;
}

.phone-item {
  height: 55px;
  margin-top: 16px;
  border-radius: 18px;
  background: #eef4ff;
}

.phone-item.short {
  width: 74%;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.workflow-card span {
  margin-bottom: 24px;
}

.dashboard-grid {
  align-items: center;
}

.dash-window {
  display: grid;
  grid-template-columns: 90px 1fr;
  min-height: 420px;
  border: 1px solid var(--border);
  border-radius: 32px;
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
}

.dash-sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 28px 22px;
  background: var(--navy);
}

.dash-sidebar div {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.16);
}

.dash-sidebar div:first-child {
  background: var(--blue);
}

.dash-main {
  padding: 28px;
}

.dash-top {
  height: 46px;
  border-radius: 18px;
  background: #eef4ff;
}

.dash-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.dash-cards span {
  height: 82px;
  border-radius: 20px;
  background: linear-gradient(135deg, #eef4ff, #ffffff);
  border: 1px solid var(--border);
}

.dash-chart {
  display: flex;
  align-items: end;
  gap: 18px;
  height: 160px;
  margin-top: 22px;
  padding: 18px;
  border-radius: 22px;
  background: #f8fbff;
  border: 1px solid var(--border);
}

.dash-chart i {
  flex: 1;
  display: block;
  border-radius: 999px 999px 6px 6px;
  background: linear-gradient(180deg, var(--blue), var(--navy));
}

.dash-table {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.dash-table p {
  height: 14px;
  border-radius: 999px;
  background: #e9effb;
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 32px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.5;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: -2px;
  color: var(--blue);
  font-size: 22px;
  font-weight: 900;
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.module-card {
  min-height: 230px;
  background:
    linear-gradient(180deg, rgba(0, 85, 255, 0.04), rgba(255, 255, 255, 0)),
    var(--white);
}

.testimonial-section {
  padding: 105px 0;
  background: linear-gradient(106deg, var(--navy), var(--blue));
}

.testimonial-card {
  position: relative;
  max-width: 960px;
  padding: 54px;
  border-radius: 36px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--white);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.18);
}

.quote-mark {
  position: absolute;
  right: 40px;
  top: 10px;
  color: rgba(255, 255, 255, 0.18);
  font-size: 150px;
  line-height: 1;
  font-weight: 900;
}

.testimonial-card > p {
  position: relative;
  max-width: 820px;
  font-size: 25px;
  line-height: 1.6;
  font-weight: 650;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 34px;
}

.testimonial-author .author-avatar {
  background: var(--white);
  color: var(--blue);
}

.testimonial-author h4 {
  font-size: 18px;
}

.testimonial-author span {
  display: block;
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.72);
}

.faq-section {
  background: #f6f9ff;
}

.faq-grid {
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--white);
  overflow: hidden;
}

.faq-item button {
  width: 100%;
  padding: 22px 24px;
  border: 0;
  background: transparent;
  color: var(--navy);
  text-align: left;
  font-size: 17px;
  font-weight: 900;
  cursor: pointer;
}

.faq-item p {
  display: none;
  padding: 0 24px 24px;
  color: var(--muted);
  line-height: 1.7;
}

.faq-item.active p {
  display: block;
}

.contact-section {
  padding: 105px 0;
  background: var(--white);
}

.contact-card {
  padding: 48px;
  border-radius: 40px;
  color: var(--white);
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.20), transparent 28%),
    linear-gradient(106deg, var(--navy), var(--blue));
  box-shadow: 0 35px 100px rgba(0, 85, 255, 0.22);
}

.contact-card h2,
.contact-card p {
  color: var(--white);
}

.contact-card p {
  color: rgba(255, 255, 255, 0.78);
}

.section-badge.light {
  background: rgba(255, 255, 255, 0.14);
  color: var(--white);
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 16px;
  padding: 16px;
  outline: none;
  color: var(--white);
  background: rgba(255, 255, 255, 0.11);
  font-family: inherit;
  font-weight: 650;
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.65);
}

.form-message {
  min-height: 20px;
  font-size: 14px !important;
  margin: 0 !important;
}

.site-footer {
  padding-top: 70px;
  background: var(--navy);
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand {
  color: var(--white);
}

.site-footer p {
  max-width: 360px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.7;
}

.site-footer h4 {
  margin-bottom: 16px;
  font-size: 16px;
}

.site-footer a:not(.brand) {
  display: block;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.68);
  text-decoration: none;
  font-weight: 650;
}

.footer-bottom {
  margin-top: 54px;
  padding: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
}

.footer-bottom p {
  max-width: none;
  margin: 0;
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

@media (max-width: 1050px) {
  .hero-grid,
  .experience-grid,
  .dashboard-grid,
  .faq-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .platform-grid,
  .modules-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .workflow-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .phone-stack {
    max-width: 520px;
    margin: 0 auto;
  }

  .dashboard-content {
    order: -1;
  }
}

@media (max-width: 780px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    left: 4%;
    right: 4%;
    top: 88px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 14px;
  }

  .nav-cta {
    text-align: center;
  }

  .hero {
    padding-top: 64px;
  }

  .hero-trust,
  .strip-grid,
  .mini-grid,
  .platform-grid,
  .workflow-grid,
  .modules-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-showcase {
    margin-top: 20px;
  }

  .floating-card {
    position: static;
    margin-top: 14px;
  }

  .phone-stack {
    min-height: 460px;
  }

  .phone {
    width: 235px;
    min-height: 440px;
  }

  .phone-back {
    left: calc(50% - 172.5px);
    right: auto;
  }

  .phone-front {
    left: calc(50% - 62.5px);
    right: auto;
  }

  .dash-window {
    grid-template-columns: 1fr;
  }

  .dash-sidebar {
    flex-direction: row;
    overflow-x: auto;
  }

  .testimonial-card,
  .contact-card {
    padding: 32px 24px;
  }

  .testimonial-card > p {
    font-size: 20px;
  }
}

@media (max-width: 520px) {
  .brand {
    font-size: 22px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section-header h2,
  .experience-content h2,
  .dashboard-content h2,
  .faq-title h2,
  .contact-card h2 {
    font-size: 34px;
  }

  .platform-section,
  .workflow-section,
  .modules-section,
  .faq-section,
  .experience-section,
  .dashboard-section,
  .testimonial-section,
  .contact-section {
    padding: 72px 0;
  }

  .platform-card,
  .workflow-card,
  .module-card {
    padding: 28px 22px;
  }
}
