:root {
  --ac-bg: #f5f6fb;
  --ac-surface: rgba(255, 255, 255, 0.88);
  --ac-surface-strong: #ffffff;
  --ac-ink: #151a2d;
  --ac-muted: #596275;
  --ac-accent: #165dff;
  --ac-accent-strong: #0d2d7a;
  --ac-warm: #ff7a59;
  --ac-border: rgba(21, 26, 45, 0.1);
  --ac-shadow: 0 24px 60px rgba(35, 60, 118, 0.14);
  --ac-radius: 8px;
  --ac-shell: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ac-ink);
  background:
    radial-gradient(circle at top left, rgba(22, 93, 255, 0.2), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 122, 89, 0.14), transparent 26%),
    linear-gradient(180deg, #fbfdff 0%, var(--ac-bg) 100%);
}

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

p {
  margin: 0;
  line-height: 1.7;
  color: var(--ac-muted);
}

h1,
h2,
h3,
strong {
  color: var(--ac-ink);
  font-family: Georgia, "Times New Roman", serif;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
}

.ac-shell {
  width: min(calc(100% - 2rem), var(--ac-shell));
  margin: 0 auto;
}

.ac-site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(250, 252, 255, 0.82);
  border-bottom: 1px solid rgba(21, 26, 45, 0.06);
}

.ac-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 84px;
}

.ac-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.ac-brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--ac-accent), #58a6ff);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0;
  box-shadow: 0 14px 30px rgba(22, 93, 255, 0.24);
}

.ac-brand-copy {
  display: grid;
  gap: 0.15rem;
}

.ac-brand-copy strong {
  font-size: 1rem;
}

.ac-brand-copy span {
  color: var(--ac-muted);
  font-size: 0.88rem;
}

.ac-nav-list {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.95rem;
}

.ac-nav-list a {
  color: var(--ac-muted);
}

.ac-header-cta,
.ac-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

.ac-header-cta,
.ac-button-primary {
  background: linear-gradient(135deg, var(--ac-accent), #4584ff);
  color: #fff;
  box-shadow: 0 16px 30px rgba(22, 93, 255, 0.24);
}

.ac-button-secondary {
  background: rgba(255, 255, 255, 0.72);
  color: var(--ac-accent-strong);
  border: 1px solid rgba(22, 93, 255, 0.12);
}

.ac-header-cta:hover,
.ac-button:hover {
  transform: translateY(-1px);
}

.ac-main {
  overflow: clip;
}

.ac-hero {
  padding: 5.5rem 0 2.5rem;
}

.ac-hero-grid,
.ac-split,
.ac-contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, 0.92fr);
  gap: 2.25rem;
  align-items: stretch;
}

.ac-kicker {
  margin-bottom: 0.9rem;
  color: var(--ac-accent);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.ac-hero-copy h1 {
  max-width: 11ch;
  font-size: clamp(3rem, 6vw, 5.6rem);
}

.ac-hero-text {
  max-width: 58ch;
  margin-top: 1.3rem;
  font-size: 1.05rem;
}

.ac-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.ac-stat-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}

.ac-stat-row div,
.ac-hero-panel,
.ac-card,
.ac-contact-card,
.ac-note-block {
  border: 1px solid var(--ac-border);
  border-radius: var(--ac-radius);
  background: var(--ac-surface);
  box-shadow: var(--ac-shadow);
}

.ac-stat-row div {
  padding: 1.2rem;
}

.ac-stat-row strong {
  display: block;
  font-size: 1.8rem;
}

.ac-stat-row span {
  display: block;
  margin-top: 0.35rem;
  color: var(--ac-muted);
  font-size: 0.95rem;
}

.ac-hero-panel {
  padding: 1.1rem;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(18, 30, 81, 0.96), rgba(10, 18, 53, 0.96));
  color: #fff;
}

.ac-hero-visual {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 0.9rem;
  min-height: 530px;
}

.ac-hero-photo {
  background-position: center;
  background-size: cover;
  border-radius: 24px;
}

.ac-hero-photo-main {
  min-height: 530px;
}

.ac-hero-photo-side {
  min-height: 360px;
  align-self: end;
}

.ac-float-card {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  max-width: 260px;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.ac-float-card span {
  display: block;
  margin-bottom: 0.4rem;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ac-float-card strong {
  color: #fff;
}

.ac-check-list {
  display: grid;
  gap: 1rem;
  padding-left: 1.2rem;
  margin: 0;
}

.ac-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

.ac-strip span {
  display: block;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(22, 93, 255, 0.08);
  color: var(--ac-ink);
  font-weight: 600;
  box-shadow: 0 14px 30px rgba(35, 60, 118, 0.08);
}

.ac-section {
  padding: 4.5rem 0;
}

.ac-section-accent {
  background: linear-gradient(180deg, rgba(22, 93, 255, 0.04), rgba(255, 122, 89, 0.06));
}

.ac-section-soft {
  background: rgba(22, 93, 255, 0.05);
}

.ac-section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.ac-section-heading h2,
.ac-split h2,
.ac-contact-band h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.ac-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

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

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

.ac-card {
  padding: 1.5rem;
}

.ac-card-tag {
  margin-bottom: 0.8rem;
  color: var(--ac-accent);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ac-card h3,
.ac-result-card h3 {
  margin-bottom: 0.7rem;
  font-size: 1.4rem;
}

.ac-split-about {
  align-items: center;
}

.ac-gallery-stack {
  display: grid;
  gap: 1rem;
}

.ac-gallery-card {
  min-height: 260px;
  background-position: center;
  background-size: cover;
  border-radius: 28px;
  box-shadow: var(--ac-shadow);
}

.ac-gallery-card-offset {
  width: min(88%, 100%);
  justify-self: end;
}

.ac-achiever-card {
  padding: 0;
  overflow: hidden;
}

.ac-achiever-photo {
  min-height: 250px;
  background-position: center top;
  background-size: cover;
}

.ac-achiever-copy {
  padding: 1.25rem;
}

.ac-achiever-outcome {
  color: var(--ac-warm);
  font-weight: 700;
}

.ac-note-block,
.ac-contact-card {
  padding: 1.75rem;
}

.ac-note-block p {
  margin-bottom: 0.6rem;
}

.ac-result-exam {
  margin-bottom: 0.5rem;
  color: var(--ac-accent);
  font-weight: 700;
}

.ac-quote {
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.ac-testimonial-card {
  position: relative;
}

.ac-testimonial-card::before {
  content: "";
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(22, 93, 255, 0.16), rgba(255, 122, 89, 0.18));
}

.ac-contact-form-wrap {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 249, 255, 0.98));
}

.ac-contact-info {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.ac-contact-form {
  display: grid;
  gap: 1rem;
}

.ac-contact-form label {
  display: grid;
  gap: 0.45rem;
}

.ac-contact-form span {
  color: var(--ac-ink);
  font-size: 0.92rem;
  font-weight: 600;
}

.ac-contact-form input,
.ac-contact-form select,
.ac-contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(21, 26, 45, 0.12);
  border-radius: 16px;
  background: #fff;
  color: var(--ac-ink);
  font: inherit;
}

.ac-contact-form textarea {
  resize: vertical;
}

.ac-form-submit {
  width: 100%;
  border: 0;
  cursor: pointer;
}

.ac-form-notice {
  margin: 0 0 1rem;
  padding: 0.95rem 1rem;
  border-radius: 16px;
  font-weight: 600;
}

.ac-form-notice-success {
  background: rgba(44, 182, 125, 0.12);
  color: #176544;
}

.ac-form-notice-error {
  background: rgba(255, 122, 89, 0.14);
  color: #8a2c18;
}

.ac-footer-grid,
.ac-footer-bottom {
  padding: 0 0 1.5rem;
}

.ac-site-footer {
  padding: 3rem 0 1rem;
  background: #121936;
}

.ac-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.ac-footer-brand,
.ac-footer-title,
.ac-site-footer strong,
.ac-site-footer p {
  color: rgba(255, 255, 255, 0.92);
}

.ac-footer-brand,
.ac-footer-title {
  margin-bottom: 0.7rem;
  font-weight: 700;
}

.ac-footer-copy {
  color: rgba(255, 255, 255, 0.72);
}

.ac-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.25rem;
}

.ac-content h1 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 3vw, 3rem);
}

.ac-content > article {
  max-width: 760px;
}

@media (max-width: 960px) {
  .ac-header-row,
  .ac-footer-grid,
  .ac-card-grid,
  .ac-card-grid-3,
  .ac-card-grid-4,
  .ac-hero-grid,
  .ac-split,
  .ac-contact-band,
  .ac-stat-row,
  .ac-strip,
  .ac-hero-visual {
    grid-template-columns: 1fr;
  }

  .ac-header-row {
    display: grid;
    padding: 1rem 0;
  }

  .ac-nav {
    overflow-x: auto;
  }

  .ac-header-cta {
    width: 100%;
  }

  .ac-hero-photo-main,
  .ac-hero-photo-side {
    min-height: 280px;
  }
}

@media (max-width: 640px) {
  .ac-hero {
    padding-top: 3rem;
  }

  .ac-nav-list {
    gap: 0.9rem;
    font-size: 0.9rem;
  }

  .ac-hero-copy h1 {
    max-width: none;
  }
}