/* ============================================
   «Говори, оратор!» — Тренинговый центр речи
   Design System: Apple HIG + Zaha Hadid aesthetic
   Mobile-first, Bento-grid layout, Inter font
   ============================================ */

/* ==========================================
   DESIGN TOKENS
   ========================================== */
:root {
  /* Surface */
  --surface-primary: #f5f5f7;
  --surface-secondary: #ffffff;
  --surface-tertiary: #f0f0f2;
  --surface-glass: rgba(255, 255, 255, 0.72);

  /* Text */
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #aeaeb2;
  --text-inverse: #ffffff;

  /* Accent — сдержанный синий */
  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --accent-hover: #1d4ed8;
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);

  /* Semantic */
  --success: #30b158;
  --success-soft: rgba(48, 177, 88, 0.1);
  --error: #e03a3a;
  --error-soft: rgba(224, 58, 58, 0.1);
  --info: #2563eb;
  --info-soft: rgba(37, 99, 235, 0.08);

  /* Borders */
  --border: rgba(0, 0, 0, 0.06);
  --border-focus: rgba(37, 99, 235, 0.4);

  /* Shadows — soft, layered, Zaha-esque */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 4px 20px rgba(37, 99, 235, 0.18);

  /* Radii — fluid, organic */
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Spacing scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space: 16px;
  --space-md: 20px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Layout */
  --header-h: 52px;
  --bottom-nav-h: 60px;
  --max-width: 480px;
  --content-padding: 20px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', monospace;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration: 250ms;
  --duration-slow: 400ms;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--surface-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  letter-spacing: -0.01em;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; }

::selection {
  background: var(--accent-soft);
  color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

/* ==========================================
   LAYOUT
   ========================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--content-padding);
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
.section__title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.section__subtitle {
  font-size: 0.925rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* ==========================================
   BUTTONS — clean, minimal
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 13px 26px;
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: none;
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    background var(--duration-fast) var(--ease-out);
  user-select: none;
  -webkit-user-select: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--accent-gradient);
  color: var(--text-inverse);
  box-shadow: var(--shadow-glow);
  font-weight: 600;
}

.btn--primary:hover {
  box-shadow: 0 6px 28px rgba(37, 99, 235, 0.28);
}

.btn--primary:active {
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

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

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

.btn--small {
  padding: 8px 18px;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  background: var(--surface-tertiary);
  color: var(--text-primary);
  font-weight: 500;
}

.btn--small:hover { background: var(--accent-soft); color: var(--accent); }

.btn--full { width: 100%; }

.btn:disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
}

/* ==========================================
   HEADER — frosted glass
   ========================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--surface-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.header__logo-icon {
  font-size: 1.5rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
}

/* Burger */
.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 110;
  border-radius: var(--radius-xs);
}

.header__burger:hover { background: var(--surface-tertiary); }

.header__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--duration) var(--ease-in-out);
  transform-origin: center;
}

.header__burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.header__burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================
   MOBILE NAV — slide-in panel
   ========================================== */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 78%;
  max-width: 320px;
  height: 100vh;
  height: 100dvh;
  background: var(--surface-secondary);
  z-index: 105;
  padding: 80px var(--space-lg) var(--space-xl);
  transition: right var(--duration-slow) var(--ease-in-out);
  box-shadow: var(--shadow-lg);
}

.mobile-nav.active { right: 0; }

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  transition:
    background var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.mobile-nav__link:hover,
.mobile-nav__link.active {
  background: var(--accent-soft);
  color: var(--accent);
}

/* SVG icon inside nav links — inherits text color */
.nav-icon {
  flex-shrink: 0;
  display: block;
  color: inherit;
  opacity: 0.6;
  transition: opacity var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.mobile-nav__link.active .nav-icon,
.mobile-nav__link:hover .nav-icon {
  opacity: 1;
  color: var(--accent);
}

/* Overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 104;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration) var(--ease-out);
}

.mobile-nav-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================
   MAIN
   ========================================== */
.main {
  padding-top: var(--space-lg);
  padding-bottom: calc(var(--bottom-nav-h) + var(--space-xl));
}

.section {
  display: none;
  animation: fadeSlideIn var(--duration-slow) var(--ease-out);
}

.section.active { display: block; }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ==========================================
   HERO
   ========================================== */
.hero {
  text-align: center;
  padding: var(--space-lg) 0 var(--space-md);
}

.hero__title {
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 10px;
  letter-spacing: -0.04em;
}

.hero__title-line { display: block; }

.hero__title-line--accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 280px;
  margin: 0 auto;
}

/* ==========================================
   NEWS CAROUSEL
   ========================================== */
.news-carousel {
  margin: var(--space-lg) calc(-1 * var(--content-padding));
  padding: 0 var(--content-padding);
  overflow: hidden;
}

.news-carousel__track {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--space-sm);
  scrollbar-width: none;
}

.news-carousel__track::-webkit-scrollbar { display: none; }

.news-card {
  flex: 0 0 86%;
  scroll-snap-align: start;
  background: var(--surface-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.news-card:active { transform: scale(0.98); }

.news-card--promo {
  border: 1.5px solid rgba(37, 99, 235, 0.12);
  background: linear-gradient(160deg, #ffffff 0%, rgba(37, 99, 235, 0.025) 100%);
}

.news-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  background: var(--accent-soft);
  color: var(--accent);
}

.news-card__badge--news {
  background: var(--info-soft);
  color: var(--info);
}

.news-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.news-card__text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

.news-carousel__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: var(--space);
}

.news-carousel__dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: var(--text-tertiary);
  transition: all var(--duration) var(--ease-spring);
  border: none;
  cursor: pointer;
  padding: 0;
}

.news-carousel__dot.active {
  background: var(--accent);
  width: 22px;
}

/* ==========================================
   FEATURES — bento grid
   ========================================== */
.features {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.feature-card {
  background: var(--surface-secondary);
  border-radius: var(--radius);
  padding: var(--space);
  box-shadow: var(--shadow-xs);
  text-align: center;
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xs);
}

.feature-card__icon svg {
  display: block;
  width: 28px;
  height: 28px;
}

.feature-card__title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 2px;
  letter-spacing: -0.02em;
}

.feature-card__text {
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.35;
}

/* ==========================================
   COURSES
   ========================================== */
.courses-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.course-card {
  background: var(--surface-secondary);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--border);
  transition:
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.course-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.course-card:active { transform: scale(0.985); }

.course-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: 8px;
}

.course-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.course-card__price {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.course-card__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.45;
}

.course-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: var(--space);
}

.course-card__tag {
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--surface-tertiary);
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* «Подробнее» — minimal link with subtle animation */
.course-card__more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
  transition:
    gap var(--duration) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out);
}

.course-card__more:hover { gap: 9px; }

.course-card__more:active { opacity: 0.6; }

.course-card__more-arrow {
  display: inline-block;
  transition: transform var(--duration) var(--ease-spring);
}

.course-card__more:hover .course-card__more-arrow {
  transform: translateX(3px);
}

/* ==========================================
   FRANCHISE
   ========================================== */
.franchise-card {
  background: var(--surface-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.franchise-card__content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space);
  letter-spacing: -0.02em;
}

.franchise-card__content ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: var(--space-lg);
}

.franchise-card__content li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ==========================================
   FORMS
   ========================================== */
.support-form,
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--surface-secondary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  transition:
    border-color var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-fast) var(--ease-out);
  outline: none;
  letter-spacing: -0.01em;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: rgba(0, 0, 0, 0.15);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-tertiary);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px var(--error-soft);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236e6e73' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.auth-form__switch {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.auth-form__switch a {
  color: var(--accent);
  font-weight: 600;
}

.auth-form__switch a:hover { text-decoration: underline; }

/* ==========================================
   SPEECH TRAINER
   ========================================== */
.trainer-card {
  display: flex;
  flex-direction: column;
  gap: var(--space);
}

.trainer-card__exercise,
.trainer-card__timer {
  background: var(--surface-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.trainer-card__label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: 10px;
}

.trainer-card__text {
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: var(--space);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.timer {
  font-size: 3.2rem;
  font-weight: 800;
  text-align: center;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--accent);
  margin-bottom: var(--space);
}

.timer__controls {
  display: flex;
  gap: 10px;
  justify-content: center;
}

/* ==========================================
   BOTTOM NAV — floating pill style, 4 items evenly spaced
   ========================================== */
.bottom-nav {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: calc(var(--max-width) - 32px);
  height: var(--bottom-nav-h);
  background: var(--surface-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  z-index: 100;
  box-shadow: var(--shadow-md);
  padding: 0 12px;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-nav__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--text-tertiary);
  transition: color var(--duration-fast) var(--ease-out);
  padding: 6px 0;
  border-radius: var(--radius-sm);
  letter-spacing: -0.01em;
  position: relative;
  text-decoration: none;
  min-width: 52px;
  flex: 1;
}

.bottom-nav__item.active {
  color: var(--accent);
}

.bottom-nav__item.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  width: 20px;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
}

.bottom-nav__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: inherit;
  opacity: 0.55;
  transition: opacity var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.bottom-nav__item.active .bottom-nav__icon {
  opacity: 1;
  color: var(--accent);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  padding: var(--space-xl) var(--content-padding);
  text-align: center;
}

.footer__text {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  letter-spacing: -0.01em;
  line-height: 1.4;
}

/* ==========================================
   TOAST
   ========================================== */
.toast-container {
  position: fixed;
  bottom: calc(var(--bottom-nav-h) + 32px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  width: calc(100% - 32px);
  max-width: 400px;
  pointer-events: none;
}

.toast {
  background: var(--surface-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 0.9rem;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  animation: toastIn var(--duration) var(--ease-spring);
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.01em;
}

.toast--success {
  border-left: 3px solid var(--success);
  background: var(--success-soft);
}

.toast--error {
  border-left: 3px solid var(--error);
  background: var(--error-soft);
}

.toast.fade-out {
  animation: toastOut var(--duration-fast) var(--ease-out) forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(24px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to   { opacity: 0; transform: translateY(16px) scale(0.95); }
}

/* ==========================================
   MODAL — consultation popup
   ========================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration) var(--ease-out);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--surface-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-xl) var(--space-lg);
  box-shadow: var(--shadow-lg);
  transform: translateY(24px) scale(0.96);
  transition: transform var(--duration-slow) var(--ease-spring);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-tertiary);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  color: var(--text-secondary);
  transition:
    background var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.modal__close:hover {
  background: var(--error-soft);
  color: var(--error);
}

.modal__title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 6px;
  text-align: center;
}

.modal__subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  text-align: center;
  line-height: 1.45;
}

.modal__body {
  display: block;
}

.modal__body.hidden {
  display: none;
}

.modal__success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.modal__success-icon {
  font-size: 3rem;
  margin-bottom: var(--space);
  animation: successPop var(--duration-slow) var(--ease-spring);
}

@keyframes successPop {
  0% { transform: scale(0); opacity: 0; }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); opacity: 1; }
}

.consultation-form {
  display: flex;
  flex-direction: column;
  gap: var(--space);
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (min-width: 600px) {
  .hero__title { font-size: 2.8rem; }
  .hero__subtitle { max-width: 380px; }
  .hero__actions { flex-direction: row; max-width: 400px; }

  .courses-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .features { gap: var(--space); }
}

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