/* ============================================
   VSOPRAY - Mobile-First Redesign
   ============================================ */

/* Reset & Variables */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --brand: #e76f00;
  --brand-dark: #c45a00;
  --brand-light: #ffb347;
  --brand-alt: #0b1b2f;
  --text: #1a1a2e;
  --muted: #6b7280;
  --bg: #f8f9fb;
  --card: #ffffff;
  --border: #e5e7eb;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================
   Animations
   ============================================ */
.anim-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.anim-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn:focus-visible { outline: 3px solid rgba(231,111,0,0.4); outline-offset: 3px; }

.btn--primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 4px 16px rgba(231,111,0,0.25);
}
.btn--primary:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(231,111,0,0.35);
}
.btn--primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn--secondary {
  background: rgba(231,111,0,0.08);
  color: var(--brand);
  border: 1px solid rgba(231,111,0,0.2);
}
.btn--secondary:hover { background: rgba(231,111,0,0.14); }

.btn--outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
}

.btn--lg { padding: 16px 36px; font-size: 16px; }

/* ============================================
   Header
   ============================================ */
.hdr {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}
.hdr--scrolled {
  background: rgba(255,255,255,0.95);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.hdr__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.hdr__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: 'Playfair Display', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--brand);
}
.hdr__logoImg {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}
.hdr__nav { display: flex; align-items: center; }
.hdr__list {
  display: flex;
  list-style: none;
  gap: 4px;
}
.hdr__link {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}
.hdr__link:hover { color: var(--brand); background: rgba(231,111,0,0.06); }
.hdr__link--active { color: var(--brand); font-weight: 600; }
.hdr__link--active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}

/* Hamburger */
.hdr__burger {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: none;
  cursor: pointer;
  position: relative;
  z-index: 10;
}
.hdr__burger span,
.hdr__burger span::before,
.hdr__burger span::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
  position: absolute;
  left: 11px;
}
.hdr__burger span { top: 21px; }
.hdr__burger span::before { content: ''; top: -7px; }
.hdr__burger span::after { content: ''; top: 7px; }
.hdr__burger span.open { background: transparent; }
.hdr__burger span.open::before { top: 0; transform: rotate(45deg); }
.hdr__burger span.open::after { top: 0; transform: rotate(-45deg); }

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 100px 0 60px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  0% { transform: scale(1.05); }
  100% { transform: scale(1.12); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,27,47,0.82), rgba(231,111,0,0.45));
}
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
}
.hero__badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 28px;
  letter-spacing: 0.3px;
}
.hero__title {
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 24px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: -0.5px;
}
.hero__sub {
  font-size: clamp(16px, 2vw, 20px);
  max-width: 620px;
  margin: 0 auto 36px;
  opacity: 0.9;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero__stats {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.2);
}
.hero__stat { text-align: center; }
.hero__stat strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--brand-light);
}
.hero__stat span {
  font-size: 13px;
  opacity: 0.8;
  font-weight: 500;
}

/* ============================================
   Sections (shared)
   ============================================ */
.section {
  padding: 80px 0;
  position: relative;
}
.section:nth-child(even) { background: var(--card); }

.section__title {
  text-align: center;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text);
  letter-spacing: -0.3px;
}
.section__title--accent {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section__sub {
  text-align: center;
  font-size: 16px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ============================================
   Services
   ============================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--card);
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(231,111,0,0.2);
}
.service-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(231,111,0,0.1), rgba(255,179,71,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--brand);
  transition: var(--transition);
}
.service-card:hover .service-card__icon {
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #fff;
  transform: scale(1.08);
}
.service-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.service-card__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ============================================
   About
   ============================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.about__intro {
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 8px;
}
.about__feature {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.about__feature:last-child { border-bottom: none; }
.about__featureTitle {
  font-size: 18px;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 8px;
}
.about__featureDesc {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
}
.about__sidebar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.stat-card {
  background: var(--card);
  padding: 24px 16px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.stat-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(231,111,0,0.1), rgba(255,179,71,0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--brand);
}
.stat-card__val {
  font-size: 32px;
  font-weight: 800;
  color: var(--brand);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-card__label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

/* ============================================
   Comparison Table
   ============================================ */
.comparison__wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.comparison__table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  min-width: 500px;
}
.comparison__table th,
.comparison__table td {
  padding: 16px 20px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.comparison__table thead th {
  background: var(--brand-alt);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.comparison__table thead th:first-child { border-radius: 16px 0 0 0; }
.comparison__table thead th:last-child { border-radius: 0 16px 0 0; }
.comparison__table tbody td:first-child {
  font-weight: 600;
  color: var(--text);
}
.comparison__good {
  color: var(--brand) !important;
  font-weight: 700 !important;
  background: rgba(231,111,0,0.05) !important;
}
.comparison__bad {
  color: #9ca3af !important;
}
.comparison__table tbody tr:hover td {
  background: rgba(231,111,0,0.03);
}

/* ============================================
   Confidentiality
   ============================================ */
.confidentiality__content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}
.confidentiality__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #fff;
  box-shadow: 0 8px 24px rgba(231,111,0,0.3);
}
.confidentiality__content p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

/* ============================================
   Academic Levels
   ============================================ */
.levels__grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 20px;
}
.level-card {
  background: var(--card);
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.level-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), var(--brand-light));
}
.level-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.level-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.level-card__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ============================================
   How It Works
   ============================================ */
.process__grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 24px;
  position: relative;
}
.process-card {
  background: var(--card);
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  text-align: center;
  position: relative;
  transition: var(--transition);
}
.process-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.process-card__num {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 4px 16px rgba(231,111,0,0.3);
}
.process-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.process-card__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}
.process-card__arrow {
  display: none;
}

/* ============================================
   Student Dependency
   ============================================ */
.dep__stats {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.dep-stat {
  background: var(--card);
  padding: 24px 32px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  min-width: 160px;
}
.dep-stat strong {
  display: block;
  font-size: 28px;
  font-weight: 800;
  color: var(--brand);
  margin-bottom: 4px;
}
.dep-stat span {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

.dep__challenges {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 20px;
}
.challenge-card {
  background: var(--card);
  padding: 28px 24px;
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.challenge-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.challenge-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-alt), #1e3a5f);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
}
.challenge-card__title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.challenge-card__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ============================================
   Why Students Fail
   ============================================ */
.fail__grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 20px;
}
.fail-card {
  background: var(--card);
  padding: 28px 24px;
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.fail-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.fail-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, #ef4444, #f97316);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
}
.fail-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.fail-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ============================================
   Pricing
   ============================================ */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.pricing-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform .25s, box-shadow .25s;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,.1);
}
.pricing-card__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.pricing-card__icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  flex-shrink: 0;
}
.pricing-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}
.pricing-card__desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}
.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.pricing-card__from {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.pricing-card__amount {
  font-size: 32px;
  font-weight: 800;
  color: var(--brand);
}
.pricing-card__unit {
  font-size: 14px;
  color: var(--muted);
}
.pricing-card__features {
  list-style: none;
  margin-bottom: 20px;
}
.pricing-card__features li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.pricing-card__features li i {
  color: var(--brand);
  font-size: 14px;
  flex-shrink: 0;
}
.pricing-card__btn {
  width: 100%;
  text-align: center;
}
.pricing__promo {
  text-align: center;
  margin-top: 40px;
  padding: 24px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  border-radius: var(--radius);
  color: #fff;
}
.pricing__promoBadge {
  display: inline-block;
  background: rgba(255,255,255,.2);
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
}
.pricing__promo p {
  margin: 0;
  font-size: 15px;
  opacity: .95;
}
.text-center { text-align: center; }

/* ============================================
   Subjects
   ============================================ */
.subjects__grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 20px;
}
.subject-card {
  background: var(--card);
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.subject-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: rgba(231,111,0,0.2);
}
.subject-card__icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(231,111,0,0.1), rgba(255,179,71,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--brand);
}
.subject-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}
.subject-card__desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

/* ============================================
   Easy Steps
   ============================================ */
.steps__grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 20px;
}
.step-card {
  background: var(--card);
  padding: 32px 24px;
  border-radius: var(--radius);
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.step-card__num {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
}
.step-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.step-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* ============================================
   Reviews
   ============================================ */
.reviews__grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 20px;
}
.review-card {
  background: var(--card);
  padding: 28px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.review-card:hover { box-shadow: var(--shadow); }
.review-card__stars {
  margin-bottom: 14px;
  color: #fbbf24;
  font-size: 16px;
}
.review-card__stars .dim { opacity: 0.25; }
.review-card__text {
  font-size: 15px;
  color: var(--muted);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 16px;
}
.review-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.review-card__avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}
.review-card__author strong {
  display: block;
  font-size: 14px;
  color: var(--text);
}
.review-card__author span {
  font-size: 12px;
  color: var(--muted);
}
.reviews__action {
  text-align: center;
  margin-top: 32px;
}

/* Review Form */
.review-form {
  max-width: 560px;
  margin: 32px auto 0;
  background: var(--card);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.review-form input,
.review-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  background: var(--bg);
  transition: var(--transition);
  margin-bottom: 12px;
}
.review-form input:focus,
.review-form textarea:focus {
  outline: none;
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(231,111,0,0.1);
}
.rating-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.rating-label .dim { opacity: 0.25; }
.form-msg {
  text-align: center;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--brand);
}

/* ============================================
   Contact
   ============================================ */
.contact__tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 32px;
}
.contact__tab {
  padding: 10px 24px;
  border: 2px solid var(--border);
  border-radius: 50px;
  background: transparent;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  color: var(--muted);
  font-family: inherit;
}
.contact__tab:hover { border-color: var(--brand); color: var(--brand); }
.contact__tab--active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--card);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  background: var(--bg);
  transition: var(--transition);
  margin-bottom: 14px;
  -webkit-appearance: none;
}
.contact-form select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(231,111,0,0.1);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 0; }

.contact__links {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 32px;
}
.contact__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: var(--transition);
}
.contact__link--whatsapp {
  background: #25d366;
  color: #fff;
}
.contact__link--whatsapp:hover {
  background: #128c7e;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.3);
}
.contact__link--email {
  background: var(--brand);
  color: #fff;
}
.contact__link--email:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(231,111,0,0.3);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--brand-alt);
  color: rgba(255,255,255,0.85);
  padding: 60px 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__heading {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.footer__text {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  margin-bottom: 8px;
}
.footer__text i { margin-right: 8px; color: var(--brand-light); }
.footer__list {
  list-style: none;
}
.footer__list li { margin-bottom: 8px; }
.footer__list a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: var(--transition);
}
.footer__list a:hover { color: var(--brand-light); padding-left: 4px; }
.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}
.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  transition: var(--transition);
  text-decoration: none;
}
.footer__social a:hover {
  background: var(--brand);
  color: #fff;
  transform: translateY(-2px);
}
.footer__bottom {
  padding: 20px 0;
  text-align: center;
}
.footer__bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  margin: 0;
}

/* ============================================
   Responsive - Tablet (640px+)
   ============================================ */
@media (min-width: 640px) {
  .container { padding: 0 32px; }

  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .pricing__grid { grid-template-columns: repeat(2, 1fr); }
  .levels__grid { grid-template-columns: repeat(2, 1fr); }
  .dep__challenges { grid-template-columns: repeat(2, 1fr); }
  .fail__grid { grid-template-columns: repeat(2, 1fr); }
  .subjects__grid { grid-template-columns: repeat(2, 1fr); }
  .steps__grid { grid-template-columns: repeat(3, 1fr); }
  .reviews__grid { grid-template-columns: repeat(2, 1fr); }
  .process__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: repeat(3, 1fr); }
  .form-row { grid-template-columns: 1fr 1fr; gap: 14px; }
  .form-row > * { margin-bottom: 0; }
}

/* ============================================
   Responsive - Desktop (1024px+)
   ============================================ */
@media (min-width: 1024px) {
  .hdr__burger { display: none !important; }

  .services__grid { grid-template-columns: repeat(4, 1fr); }
  .pricing__grid { grid-template-columns: repeat(4, 1fr); }
  .levels__grid { grid-template-columns: repeat(3, 1fr); }
  .subjects__grid { grid-template-columns: repeat(4, 1fr); }
  .reviews__grid { grid-template-columns: repeat(3, 1fr); }
  .process__grid { grid-template-columns: repeat(4, 1fr); position: relative; }

  .process-card__arrow {
    display: flex;
    position: absolute;
    top: 50%;
    right: -14px;
    transform: translateY(-50%);
    color: var(--brand);
    font-size: 16px;
    z-index: 1;
  }
  .process-card:last-child .process-card__arrow { display: none; }

  .about__grid { grid-template-columns: 1.3fr 0.7fr; gap: 48px; align-items: start; }
  .footer__grid { grid-template-columns: 1.2fr 0.8fr 1fr; }
}

/* ============================================
   Responsive - Large Desktop (1280px+)
   ============================================ */
@media (min-width: 1280px) {
  .container { max-width: 1320px; }
}

/* ============================================
   Responsive - Mobile Navigation (< 1024px)
   ============================================ */
@media (max-width: 1023px) {
  .hdr__burger { display: flex; }

  .hdr__nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--card);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1001;
    padding: 80px 24px 24px;
    overflow-y: auto;
  }
  .hdr__nav--open {
    transform: translateX(0);
  }
  .hdr__list {
    flex-direction: column;
    gap: 4px;
  }
  .hdr__link {
    padding: 14px 16px;
    font-size: 16px;
    border-radius: 10px;
  }
  .hdr__link--active::after { display: none; }
  .hdr__link--active { background: rgba(231,111,0,0.08); }

  .hdr__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1000;
    animation: fadeIn 0.25s ease;
  }
}

/* ============================================
   Responsive - Small Mobile (< 480px)
   ============================================ */
@media (max-width: 479px) {
  .section { padding: 60px 0; }
  .hero { min-height: 90vh; padding: 80px 0 40px; }
  .hero__badge { font-size: 12px; padding: 6px 14px; }
  .hero__stats { gap: 20px; }
  .hero__stat strong { font-size: 22px; }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: 100%; max-width: 280px; }

  .contact-form { padding: 24px 20px; }
  .review-form { padding: 24px 20px; }
  .pricing__card { padding: 36px 24px; }

  .dep__stats { flex-direction: column; align-items: center; }
  .dep-stat { width: 100%; }
}