:root {
  --bg-deep: #1a121c;
  --bg-main: #2d1e2f;
  --bg-card: #3a2839;
  --bg-card-hover: #452f46;
  --rose: #c48999;
  --rose-light: #d4a5b3;
  --rose-muted: #9a6b7a;
  --white: #f8f4f5;
  --text-muted: #b8a0a8;
  --success: #4ade80;
  --success-bg: rgba(74, 222, 128, 0.12);
  --border: rgba(196, 137, 153, 0.15);
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --radius-sm: 10px;
  --font-display: "Outfit", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  color: var(--rose-light);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--white);
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(26, 18, 28, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

.nav-logo img {
  border-radius: 8px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--white);
}

.nav-cta {
  background: var(--rose);
  color: var(--bg-deep) !important;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  font-weight: 600 !important;
}

.nav-cta:hover {
  background: var(--rose-light);
  color: var(--bg-deep) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--rose), var(--rose-muted));
  color: var(--white);
  box-shadow: 0 8px 24px rgba(196, 137, 153, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 12px 32px rgba(196, 137, 153, 0.45);
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--rose);
  color: var(--white);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(196, 137, 153, 0.18), transparent),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(154, 107, 122, 0.12), transparent),
    linear-gradient(180deg, var(--bg-main) 0%, var(--bg-deep) 100%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding-block: 4rem 6rem;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rose);
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--rose-light), var(--rose));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero-lead strong {
  color: var(--rose-light);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

.logo-showcase {
  position: relative;
  padding: 2rem;
}

.hero-logo {
  width: min(320px, 80vw);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.equalizer {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 2rem;
  opacity: 0.6;
}

.eq-col {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
}

.eq-col span {
  display: block;
  width: 28px;
  height: 6px;
  background: var(--white);
  border-radius: 3px;
  transform: scaleX(0);
  transform-origin: left;
  animation: barGrow 0.6s ease forwards;
}

.eq-col:nth-child(1) span:nth-child(1) { animation-delay: 0.1s; }
.eq-col:nth-child(1) span:nth-child(2) { animation-delay: 0.15s; }
.eq-col:nth-child(1) span:nth-child(3) { animation-delay: 0.2s; }
.eq-col:nth-child(1) span:nth-child(4) { animation-delay: 0.25s; }
.eq-col:nth-child(1) span:nth-child(5) { animation-delay: 0.3s; }
.eq-col:nth-child(1) span:nth-child(6) { animation-delay: 0.35s; }
.eq-col:nth-child(1) span:nth-child(7) { animation-delay: 0.4s; }
.eq-col:nth-child(1) span:nth-child(8) { animation-delay: 0.45s; }
.eq-col:nth-child(1) span:nth-child(9) { animation-delay: 0.5s; }
.eq-col:nth-child(1) span:nth-child(10) { animation-delay: 0.55s; }

.eq-col:nth-child(2) span:nth-child(1) { animation-delay: 0.3s; }
.eq-col:nth-child(2) span:nth-child(2) { animation-delay: 0.35s; }
.eq-col:nth-child(2) span:nth-child(3) { animation-delay: 0.4s; }
.eq-col:nth-child(2) span:nth-child(4) { animation-delay: 0.45s; }

.eq-col:nth-child(3) span:nth-child(1) { animation-delay: 0.2s; }
.eq-col:nth-child(3) span:nth-child(2) { animation-delay: 0.25s; }
.eq-col:nth-child(3) span:nth-child(3) { animation-delay: 0.3s; }
.eq-col:nth-child(3) span:nth-child(4) { animation-delay: 0.35s; }
.eq-col:nth-child(3) span:nth-child(5) { animation-delay: 0.4s; }
.eq-col:nth-child(3) span:nth-child(6) { animation-delay: 0.45s; }

@keyframes barGrow {
  to { transform: scaleX(1); }
}

/* Sections */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rose);
  margin-bottom: 0.75rem;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.about {
  background: var(--bg-main);
}

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

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}

.about-card:hover {
  transform: translateY(-4px);
  border-color: rgba(196, 137, 153, 0.35);
  box-shadow: var(--shadow);
}

.about-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.about-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.about-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Courses */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(196, 137, 153, 0.3);
}

.course-thumb {
  height: 140px;
  display: flex;
  align-items: flex-end;
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
}

.course-thumb::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent, var(--rose-muted)), rgba(45, 30, 47, 0.9));
  opacity: 0.85;
}

.course-lang {
  position: relative;
  z-index: 1;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(0, 0, 0, 0.35);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

.course-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.course-body h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.course-meta .rating {
  color: #fbbf24;
}

.course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.course-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(196, 137, 153, 0.12);
  color: var(--rose-light);
  border: 1px solid var(--border);
}

.course-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--rose);
}

.course-link:hover {
  color: var(--rose-light);
}

.courses-cta {
  text-align: center;
  margin-top: 3rem;
}

/* Services */
.services {
  background: var(--bg-main);
}

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

.service-card {
  background: linear-gradient(160deg, var(--bg-card) 0%, rgba(45, 30, 47, 0.6) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  transition: transform 0.3s, border-color 0.3s;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(196, 137, 153, 0.35);
}

.service-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(196, 137, 153, 0.25);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Contact */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.2rem);
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.contact-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-links a {
  font-weight: 500;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(184, 160, 168, 0.5);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--rose);
  box-shadow: 0 0 0 3px rgba(196, 137, 153, 0.15);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23b8a0a8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group select option {
  background: var(--bg-main);
  color: var(--white);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-success {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: var(--success-bg);
  border: 1px solid rgba(74, 222, 128, 0.35);
  border-radius: var(--radius-sm);
  color: var(--success);
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
  animation: successPop 0.4s ease;
}

@keyframes successPop {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-group.invalid input,
.form-group.invalid select,
.form-group.invalid textarea {
  border-color: #f87171;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background: var(--bg-deep);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
}

.footer-brand img {
  border-radius: 6px;
}

.footer-copy {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-link {
  font-size: 0.85rem;
  font-weight: 500;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-lead {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-visual {
    order: -1;
  }

  .hero-logo {
    width: min(240px, 70vw);
    margin-inline: auto;
  }

  .about-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(26, 18, 28, 0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }

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

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-links li:last-child a {
    border-bottom: none;
    margin-top: 0.5rem;
    text-align: center;
  }

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

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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

  .hero-logo,
  .eq-col span {
    animation: none;
    transform: none;
  }
}