/* ==========================================================================
   ST Community — Beauty Salon Landing
   Refined monochrome styling with white background and dark, glossy elements
   ========================================================================== */

/* ========== 1) Reset & Base ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --bg: #ffffff;
  --ink: #111116;
  --ink-strong: #0b0b0f;
  --muted: #6f6f79;
  --muted-strong: #3b3b43;
  --soft: #f2f2f5;
  --card-dark: #18181f;
  --card-dark-2: #202028;
  --stroke: rgba(32, 32, 40, 0.12);
  --stroke-strong: rgba(32, 32, 40, 0.3);
  --accent: #2a2a35;
  --accent-soft: rgba(24, 24, 30, 0.6);
  --glow: 0 30px 60px rgba(12, 12, 16, 0.22);
  --glow-soft: 0 18px 45px rgba(15, 15, 24, 0.18);
  --radius-lg: 36px;
  --radius-md: 22px;
  --radius-sm: 12px;
  --transition: 220ms cubic-bezier(.4, 0, .2, 1);
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: 'Manrope', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--muted-strong);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
}

h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', 'Playfair Display', serif;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--ink);
}

p {
  margin: 0 0 16px;
}

section {
  padding: clamp(60px, 12vw, 120px) clamp(20px, 6vw, 120px);
}

.page {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ========== 2) Navigation ========== */
.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: clamp(12px, 2vw, 24px);
  padding: clamp(18px, 3vw, 28px) clamp(20px, 6vw, 120px);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(17, 17, 22, 0.06);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.brand img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  filter: saturate(0) brightness(.95);
  transition: filter var(--transition);
}

.brand:hover img {
  filter: saturate(.5) brightness(.85);
}

.menu {
  display: flex;
  gap: clamp(16px, 2vw, 32px);
  font-size: 15px;
  font-weight: 600;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
}

.lang-switch select {
  appearance: none;
  padding: 8px 32px 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(17, 17, 22, 0.12);
  background: rgba(255, 255, 255, 0.9) url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none" viewBox="0 0 16 16"%3E%3Cpath stroke="%23111116" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.4" d="m4 6 4 4 4-4"/%3E%3C/svg%3E') no-repeat right 12px center;
  color: var(--ink);
  cursor: pointer;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.lang-switch select:focus {
  outline: none;
  border-color: rgba(17, 17, 22, 0.3);
  box-shadow: 0 0 0 3px rgba(17, 17, 22, 0.12);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.menu a {
  position: relative;
  text-decoration: none;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .16em;
  transition: color var(--transition);
}

.menu a::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: -8px;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--ink);
  transition: transform var(--transition);
}

.menu a:hover,
.menu a:focus-visible {
  color: var(--ink);
}

.menu a:hover::after,
.menu a:focus-visible::after {
  transform: scaleX(1);
}

/* ========== 3) Buttons & Utilities ========== */
.btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
}

.btn-primary {
  color: #f8f8fa;
  background: linear-gradient(135deg, #111116, #2b2b36);
  box-shadow: var(--glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 32px 60px rgba(12, 12, 16, 0.32);
}

.btn-ghost {
  background: rgba(17, 17, 22, 0.08);
  color: var(--ink);
  border: 1px solid rgba(17, 17, 22, 0.2);
}

.btn-ghost:hover {
  background: rgba(17, 17, 22, 0.16);
  transform: translateY(-2px);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: 999px;
  background: rgba(17, 17, 22, 0.08);
  color: var(--muted-strong);
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: 12px;
  font-weight: 700;
  animation: fade-in 700ms ease 150ms both;
}

/* ========== 4) Hero ========== */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: clamp(10px, 4vw, 40px);
  border-radius: var(--radius-lg);
  background: radial-gradient(120% 160% at 18% 20%, rgba(30,30,40,0.12), transparent 60%),
              radial-gradient(90% 140% at 80% 30%, rgba(20,20,28,0.1), transparent 70%);
  z-index: -2;
}

.hero-inner {
  max-width: 1200px;
  margin-inline: auto;
  display: grid;
  gap: clamp(32px, 6vw, 80px);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.hero-content {
  position: relative;
}

.hero-content .title {
  font-size: clamp(48px, 8vw, 92px);
  line-height: .98;
  margin: 16px 0 12px;
  animation: slide-up 600ms ease 100ms both;
}

.subtitle {
  font-size: clamp(20px, 3.4vw, 28px);
  color: var(--muted-strong);
  font-weight: 500;
  margin-bottom: 20px;
  animation: slide-up 600ms ease 180ms both;
}

.lead {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--muted);
  max-width: 560px;
  animation: slide-up 600ms ease 240ms both;
}

.card {
  margin: 32px 0;
  padding: clamp(20px, 4vw, 32px);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(24,24,32,0.92), rgba(36,36,46,0.92));
  color: #f8f8fa;
  box-shadow: var(--glow-soft);
  animation: fade-in 600ms ease 320ms both;
}

.card b {
  display: block;
  font-size: 16px;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.card li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
}

.card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #f8f8fa;
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  animation: fade-in 600ms ease 380ms both;
}

.figure {
  position: relative;
  justify-self: center;
}

.figure::after {
  content: '';
  position: absolute;
  inset: -28px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, rgba(20,20,30,0.12), transparent 65%);
  filter: blur(0px);
  z-index: -2;
}

.halo {
  position: absolute;
  inset: -12%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, rgba(17,17,24,0.15), transparent 70%);
  z-index: -1;
  animation: pulse 5s ease-in-out infinite;
}

.hero-img {
  width: min(380px, 65vw);
  border-radius: 48% 52% 44% 56% / 60% 52% 48% 40%;
  object-fit: cover;
  box-shadow: 0 36px 60px rgba(10, 10, 18, 0.3);
  animation: float 8s ease-in-out infinite;
}

/* ========== 5) Courses ========== */
.courses {
  position: relative;
}

.courses-inner {
  max-width: 1200px;
  margin-inline: auto;
  display: grid;
  gap: clamp(40px, 5vw, 80px);
}

.courses-title {
  font-size: clamp(42px, 6vw, 72px);
  margin: 0;
}

.course-feature {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: center;
  padding: clamp(24px, 4vw, 48px);
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, rgba(17,17,22,0.92), rgba(33,33,44,0.92));
  color: #f0f0f4;
  box-shadow: var(--glow);
}

.course-feature .thumb img {
  width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
  height: 100%;
  min-height: 260px;
}

.feature-body h3 {
  color: #fafafa;
  font-size: clamp(32px, 5vw, 48px);
  margin: 0 0 16px;
}

.feature-body .desc p {
  color: rgba(245,245,248,0.8);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(24px, 4vw, 40px);
}

.course-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(150deg, var(--card-dark), var(--card-dark-2));
  color: #f0f0f4;
  box-shadow: var(--glow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 46px rgba(12, 12, 20, 0.26);
}

.course-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  filter: saturate(.85);
}

.course-card .body {
  padding: clamp(20px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 18px;
  flex: 1;
}

.course-card h4 {
  margin: 0;
  color: #fafafa;
  font-size: clamp(22px, 3vw, 26px);
}

.course-card .desc {
  color: rgba(232,232,240,0.78);
  font-size: 15px;
  flex: 1;
}

.course-card .desc ul {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
  display: grid;
  gap: 6px;
}

.course-card .desc li {
  position: relative;
  padding-left: 18px;
}

.course-card .desc li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(240, 240, 244, 0.9);
}

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

/* ========== 6) Reviews ========== */
.reviews {
  background: var(--bg);
  border-block: 1px solid rgba(17, 17, 22, 0.06);
}

.reviews-inner {
  max-width: 1200px;
  margin-inline: auto;
  display: grid;
  gap: 32px;
}

.reviews-title {
  font-size: clamp(38px, 5vw, 64px);
  margin: 0;
}

.reviews-viewport {
  position: relative;
  overflow: hidden;
}

.reviews-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, clamp(300px, 28vw, 380px));
  gap: clamp(18px, 3.2vw, 34px);
  overflow-x: auto;
  padding-block: 10px;
  padding-inline: clamp(6px, 2.4vw, 16px);
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.reviews-track::-webkit-scrollbar {
  height: 6px;
}

.reviews-track::-webkit-scrollbar-thumb {
  background: rgba(17, 17, 22, 0.2);
  border-radius: 999px;
}

.rev-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: 26px;
  padding: clamp(16px, 2.6vw, 22px);
  scroll-snap-align: center;
  min-height: clamp(180px, 24vh, 280px);
  background: linear-gradient(160deg, rgba(26, 26, 34, 0.95), rgba(40, 40, 50, 0.95));
  color: rgba(246, 246, 251, 0.92);
  box-shadow: var(--glow-soft);
  transition: transform var(--transition);
}

.rev-name {
  margin: 0 0 12px;
  font-family: 'Cormorant Garamond', 'Playfair Display', serif;
  font-size: clamp(1.1rem, 1vw + 0.8rem, 1.35rem);
  font-weight: 600;
  letter-spacing: .03em;
  color: #f6f6fb;
}

.rev-card p {
  margin: 0;
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(0.88rem, 0.8vw + 0.68rem, 0.98rem);
  line-height: 1.5;
  font-weight: 400;
}

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

.rev-nav {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.rev-btn {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(17, 17, 22, 0.14);
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.rev-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.rev-btn:hover {
  background: rgba(17, 17, 22, 0.86);
  color: #f4f4f6;
  transform: translateY(-2px);
}

.rev-prev {
  margin-left: clamp(6px, 2vw, 18px);
}

.rev-next {
  margin-right: clamp(6px, 2vw, 18px);
}

/* ========== 7) Results ========== */
.results-inner {
  max-width: 1200px;
  margin-inline: auto;
  display: grid;
  gap: clamp(32px, 4vw, 48px);
}

.results-title {
  font-size: clamp(36px, 5vw, 64px);
  margin: 0;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(20px, 3vw, 32px);
}

.result-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #f7f7fa;
  border: 1px solid rgba(17, 17, 22, 0.08);
  transition: transform var(--transition), box-shadow var(--transition);
}

.result-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 46px rgba(15, 15, 24, 0.18);
}

.result-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  mix-blend-mode: luminosity;
}

.result-body {
  padding: clamp(20px, 3vw, 32px);
  display: grid;
  gap: 12px;
}

.result-name {
  margin: 0;
  font-size: 22px;
}

.result-text {
  margin: 0;
  color: var(--muted);
}

.result-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.result-tag {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(17, 17, 22, 0.08);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ========== 8) Animations ========== */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-16px); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.06); }
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== 9) Media Queries ========== */
@media (max-width: 980px) {
  .menu {
    display: none;
  }

  .nav {
    padding-inline: clamp(16px, 6vw, 40px);
    justify-content: center;
  }

  .hero {
    padding-top: clamp(40px, 8vw, 80px);
  }

  .hero-inner {
    text-align: center;
  }

  .hero-content .title {
    margin-bottom: 18px;
  }

  .cta {
    justify-content: center;
  }

  .figure::after {
    inset: -18px;
  }

  .hero-img {
    width: min(320px, 80vw);
  }

  .course-feature {
    text-align: center;
  }

  .course-card .body {
    text-align: left;
  }

  .rev-nav {
    display: none;
  }
}

@media (max-width: 640px) {
  section {
    padding-inline: clamp(16px, 8vw, 24px);
  }

  .card {
    text-align: left;
  }

  .reviews-track {
    grid-auto-columns: minmax(200px, 80%);
  }

  .result-card img {
    aspect-ratio: 4 / 5;
  }
}

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