@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-dark:    #0F1B2D;
  --c-darker:  #081221;
  --c-indigo:  #4F6EF7;
  --c-indigo2: #3A58E8;
  --c-teal:    #00D4C8;
  --c-light:   #F0F4FF;
  --c-muted:   #8A9BBF;
  --c-white:   #FFFFFF;
  --c-card-bg: #162035;
  --c-border:  #1E2F48;
  --c-error:   #F75A5A;
  --c-success: #2DD4A0;

  --ff-display: 'Space Grotesk', sans-serif;
  --ff-body:    'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --transition: 0.22s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-body);
  background: var(--c-dark);
  color: var(--c-white);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, textarea, select { font-family: inherit; }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-block;
  font-family: var(--ff-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-teal);
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--ff-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-white);
  margin-bottom: 16px;
}

.section-title span { color: var(--c-indigo); }

.section-desc {
  color: var(--c-muted);
  font-size: 17px;
  max-width: 560px;
  line-height: 1.7;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(15, 27, 45, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
  transition: background var(--transition);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo svg { flex-shrink: 0; }
.logo__name { color: var(--c-white); }
.logo__dot { color: var(--c-teal); }

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__link {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-muted);
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--c-indigo);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav__link:hover { color: var(--c-white); }
.nav__link:hover::after { width: 100%; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  font-family: var(--ff-display);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--c-indigo);
  color: var(--c-white);
}

.btn-primary:hover {
  background: var(--c-indigo2);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 110, 247, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--c-white);
  border: 1.5px solid var(--c-border);
}

.btn-outline:hover {
  border-color: var(--c-indigo);
  color: var(--c-indigo);
}

.btn-lg { padding: 16px 36px; font-size: 16px; border-radius: var(--radius-md); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.45;
}

.hero__glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79,110,247,0.18) 0%, transparent 70%);
  top: -100px; right: -100px;
  pointer-events: none;
}

.hero__glow2 {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,200,0.12) 0%, transparent 70%);
  bottom: -50px; left: 10%;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(79,110,247,0.12);
  border: 1px solid rgba(79,110,247,0.3);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-indigo);
  margin-bottom: 24px;
}

.hero__tag-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--c-teal);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero__title {
  font-family: var(--ff-display);
  font-size: clamp(38px, 5.5vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero__title .accent { color: var(--c-indigo); }
.hero__title .accent-teal { color: var(--c-teal); }

.hero__desc {
  color: var(--c-muted);
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: 32px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--c-border);
}

.hero__stat-num {
  font-family: var(--ff-display);
  font-size: 30px;
  font-weight: 700;
  color: var(--c-white);
  line-height: 1;
}

.hero__stat-num span { color: var(--c-teal); }
.hero__stat-label { font-size: 13px; color: var(--c-muted); margin-top: 4px; }

.hero__visual {
  position: relative;
}

.hero__card-main {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
}

.hero__card-main img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.hero__card-main-body {
  padding: 24px;
}

.hero__card-tag {
  display: inline-block;
  background: rgba(79,110,247,0.15);
  color: var(--c-indigo);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 12px;
}

.hero__card-title {
  font-family: var(--ff-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.hero__card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero__card-price {
  font-family: var(--ff-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-teal);
}

.hero__card-rating {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: var(--c-muted);
}

.hero__badge {
  position: absolute;
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.35);
  backdrop-filter: blur(8px);
}

.hero__badge--tl { top: -24px; left: -32px; animation: float 4s ease-in-out infinite; }
.hero__badge--br { bottom: -20px; right: -24px; animation: float 4s ease-in-out infinite 2s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero__badge-icon {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}

.hero__badge-icon--blue { background: rgba(79,110,247,0.2); }
.hero__badge-icon--teal { background: rgba(0,212,200,0.2); }

.hero__badge-label { font-size: 11px; color: var(--c-muted); }
.hero__badge-value { font-family: var(--ff-display); font-size: 15px; font-weight: 600; }

/* ===== DIRECTIONS ===== */
.directions {
  padding: 96px 0;
  background: var(--c-light);
}

.directions .section-title { color: var(--c-dark); }
.directions .section-desc { color: #4A5568; }
.directions .section-label { color: var(--c-indigo); }

.directions__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.directions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.dir-card {
  background: var(--c-white);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1.5px solid #E2E8F0;
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.dir-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--c-indigo), var(--c-teal));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.dir-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(79,110,247,0.12); border-color: var(--c-indigo); }
.dir-card:hover::before { transform: scaleX(1); }

.dir-card__icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}

.dir-card__icon--1 { background: #EEF2FF; }
.dir-card__icon--2 { background: #F0FDF4; }
.dir-card__icon--3 { background: #FFF7ED; }
.dir-card__icon--4 { background: #FDF2F8; }
.dir-card__icon--5 { background: #F0F9FF; }
.dir-card__icon--6 { background: #FFFBEB; }

.dir-card__title {
  font-family: var(--ff-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-dark);
  margin-bottom: 10px;
}

.dir-card__desc { font-size: 14px; color: #64748B; line-height: 1.6; margin-bottom: 20px; }

.dir-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dir-card__count { font-size: 13px; color: #94A3B8; }
.dir-card__arrow { font-size: 18px; color: var(--c-indigo); transition: transform var(--transition); }
.dir-card:hover .dir-card__arrow { transform: translateX(4px); }

/* ===== COURSES ===== */
.courses {
  padding: 96px 0;
}

.courses__head {
  text-align: center;
  margin-bottom: 56px;
}

.courses__head .section-desc { margin: 0 auto; }

.courses__filter {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid var(--c-border);
  background: transparent;
  color: var(--c-muted);
  transition: all var(--transition);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--c-indigo);
  border-color: var(--c-indigo);
  color: var(--c-white);
}

.courses__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.course-card {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.course-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.3); border-color: rgba(79,110,247,0.4); }

.course-card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: #1a2a40;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-muted);
  font-size: 13px;
  text-align: center;
  padding: 20px;
  position: relative;
}

.course-card__img-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #162035 0%, #1a2a40 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--c-muted);
  font-size: 13px;
  text-align: center;
  padding: 20px;
}

.course-card__img-placeholder .ph-icon { font-size: 32px; opacity: 0.4; }
.course-card__img-placeholder .ph-text { opacity: 0.5; line-height: 1.4; }

.course-card__level {
  position: absolute;
  top: 14px; left: 14px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
}

.level--beginner { background: rgba(45,212,160,0.2); color: var(--c-success); }
.level--mid      { background: rgba(79,110,247,0.2); color: #849EFA; }
.level--advanced { background: rgba(247,90,90,0.2); color: #FA9090; }

.course-card__body { padding: 22px; }
.course-card__cat { font-size: 12px; color: var(--c-teal); font-weight: 500; margin-bottom: 8px; }
.course-card__title { font-family: var(--ff-display); font-size: 17px; font-weight: 600; margin-bottom: 12px; line-height: 1.35; }
.course-card__desc { font-size: 14px; color: var(--c-muted); line-height: 1.6; margin-bottom: 18px; }

.course-card__meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--c-muted);
  margin-bottom: 18px;
}

.course-card__meta-item { display: flex; align-items: center; gap: 5px; }

.course-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--c-border);
}

.course-card__price { font-family: var(--ff-display); font-size: 20px; font-weight: 700; color: var(--c-teal); }
.course-card__price-old { font-size: 14px; color: var(--c-muted); text-decoration: line-through; margin-left: 8px; }

.courses__more { text-align: center; margin-top: 48px; }

/* ===== HOW IT WORKS ===== */
.how {
  padding: 96px 0;
  background: var(--c-card-bg);
}

.how__head { text-align: center; margin-bottom: 64px; }

.how__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
}

.how__grid::before {
  content: '';
  position: absolute;
  top: 28px; left: calc(12.5% + 24px);
  width: calc(75% - 48px);
  height: 1px;
  background: linear-gradient(90deg, var(--c-indigo), var(--c-teal));
  opacity: 0.3;
}

.how-step { text-align: center; position: relative; }

.how-step__num {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--c-dark);
  border: 1.5px solid var(--c-indigo);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--ff-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-indigo);
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.how-step__title { font-family: var(--ff-display); font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.how-step__desc { font-size: 14px; color: var(--c-muted); line-height: 1.6; }

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: 96px 0;
  background: var(--c-light);
}

.testimonials .section-title { color: var(--c-dark); }
.testimonials .section-desc { color: #4A5568; }
.testimonials .section-label { color: var(--c-indigo); }
.testimonials__head { text-align: center; margin-bottom: 56px; }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testi-card {
  background: var(--c-white);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1.5px solid #E2E8F0;
  transition: box-shadow var(--transition);
}

.testi-card:hover { box-shadow: 0 8px 28px rgba(79,110,247,0.1); }

.testi-card__stars { color: #F59E0B; font-size: 16px; margin-bottom: 16px; letter-spacing: 2px; }
.testi-card__text { font-size: 15px; color: #374151; line-height: 1.7; margin-bottom: 24px; }

.testi-card__author { display: flex; align-items: center; gap: 14px; }

.testi-card__avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-indigo), var(--c-teal));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--c-white);
  flex-shrink: 0;
}

.testi-card__name { font-family: var(--ff-display); font-size: 15px; font-weight: 600; color: var(--c-dark); }
.testi-card__role { font-size: 13px; color: #94A3B8; }

/* ===== CONTACTS ===== */
.contacts {
  padding: 96px 0;
}

.contacts__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: start;
}

.contacts__info-label { margin-bottom: 14px; }
.contacts__title { margin-bottom: 16px; }
.contacts__desc { margin-bottom: 40px; }

.contact-items { display: flex; flex-direction: column; gap: 20px; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(79,110,247,0.12);
  border: 1px solid rgba(79,110,247,0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-item__label { font-size: 12px; color: var(--c-muted); margin-bottom: 2px; }
.contact-item__value { font-size: 15px; font-weight: 500; }

/* ===== FORM ===== */
.form-card {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-card__title {
  font-family: var(--ff-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-card__sub { font-size: 14px; color: var(--c-muted); margin-bottom: 30px; }

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-muted);
  margin-bottom: 8px;
}

.form-group label span { color: var(--c-indigo); }

.form-control {
  width: 100%;
  background: rgba(15,27,45,0.7);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--c-white);
  font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-control::placeholder { color: #3D5170; }
.form-control:focus { border-color: var(--c-indigo); box-shadow: 0 0 0 3px rgba(79,110,247,0.15); }
.form-control.error { border-color: var(--c-error); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

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

.form-select {
  width: 100%;
  background: rgba(15,27,45,0.7);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--c-white);
  font-size: 15px;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A9BBF' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-select:focus { border-color: var(--c-indigo); }
.form-select option { background: var(--c-dark); }

.field-error { font-size: 12px; color: var(--c-error); margin-top: 6px; display: none; }
.field-error.visible { display: block; }

.form-submit { width: 100%; margin-top: 8px; padding: 15px; font-size: 16px; }

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form-success.visible { display: block; }

.form-success__icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: rgba(45,212,160,0.15);
  border: 2px solid var(--c-success);
  display: flex; align-items: center; justify-content: center;
  font-size: 30px;
  margin: 0 auto 20px;
}

.form-success__title { font-family: var(--ff-display); font-size: 22px; font-weight: 600; margin-bottom: 10px; color: var(--c-success); }
.form-success__desc { color: var(--c-muted); font-size: 15px; }

/* ===== FOOTER ===== */
.footer {
  background: var(--c-darker);
  border-top: 1px solid var(--c-border);
  padding: 64px 0 32px;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand-desc {
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-top: 14px;
  max-width: 260px;
}

.footer__col-title {
  font-family: var(--ff-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-white);
  margin-bottom: 20px;
}

.footer__links { display: flex; flex-direction: column; gap: 12px; }

.footer__link {
  font-size: 14px;
  color: var(--c-muted);
  transition: color var(--transition);
}

.footer__link:hover { color: var(--c-white); }

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer__social-link {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--c-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  transition: all var(--transition);
}

.footer__social-link:hover { background: var(--c-indigo); border-color: var(--c-indigo); }

.footer__bottom {
  padding-top: 32px;
  border-top: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copy { font-size: 13px; color: var(--c-muted); }

.footer__legal {
  display: flex;
  gap: 24px;
}

.footer__legal-link {
  font-size: 13px;
  color: var(--c-muted);
  transition: color var(--transition);
}

.footer__legal-link:hover { color: var(--c-white); }

/* ===== MOBILE NAV ===== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: rgba(8,18,33,0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
  padding: 20px 24px 28px;
  z-index: 99;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav.open { display: flex; }

.mobile-nav__link {
  display: block;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--c-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.mobile-nav__link:hover { color: var(--c-white); background: rgba(79,110,247,0.1); }

.mobile-nav .btn { margin-top: 12px; width: 100%; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { display: none; }
  .directions__grid { grid-template-columns: repeat(2, 1fr); }
  .courses__grid { grid-template-columns: repeat(2, 1fr); }
  .how__grid { grid-template-columns: repeat(2, 1fr); }
  .how__grid::before { display: none; }
  .testimonials__grid { grid-template-columns: repeat(2, 1fr); }
  .contacts__inner { grid-template-columns: 1fr; gap: 48px; }
  .footer__top { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .header .btn { display: none; }
  .burger { display: flex; }
  .directions__grid { grid-template-columns: 1fr; }
  .courses__grid { grid-template-columns: 1fr; }
  .how__grid { grid-template-columns: 1fr; }
  .testimonials__grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .hero__stats { flex-wrap: wrap; gap: 24px; }
  .footer__legal { flex-wrap: wrap; justify-content: center; gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}