/* =============================================
   ВЕЧЕРНЯЯ МОСКВА — Светлая премиум-тема
   1-я Школа коморбидной патологии
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ---------- Design Tokens ---------- */
:root {
  --bg: #f8f9fc;
  --bg-alt: #ffffff;
  --surface: #ffffff;
  --surface-hover: #f0f2f8;
  --border: rgba(30, 50, 100, .08);
  --border-strong: rgba(30, 50, 100, .14);

  --text: #1a1f36;
  --text-secondary: #525a76;
  --text-muted: #8892a8;

  --accent: #3b5eff;
  --accent-light: #5b7aff;
  --accent-soft: rgba(59, 94, 255, .08);
  --accent-glow: rgba(59, 94, 255, .25);

  --purple: #7c5cfc;
  --purple-soft: rgba(124, 92, 252, .08);
  --teal: #10b981;
  --teal-soft: rgba(16, 185, 129, .08);

  --gradient-hero: linear-gradient(135deg, rgba(10,18,50,.65) 0%, rgba(30,60,140,.45) 50%, rgba(59,94,255,.35) 100%);
  --gradient-cta: linear-gradient(135deg, #3b5eff 0%, #7c5cfc 100%);

  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow-sm: 0 1px 3px rgba(30,50,100,.06);
  --shadow-md: 0 4px 20px rgba(30,50,100,.08);
  --shadow-lg: 0 8px 40px rgba(30,50,100,.10);
  --shadow-card: 0 2px 12px rgba(30,50,100,.06), 0 0 0 1px var(--border);
  --shadow-card-hover: 0 8px 32px rgba(59,94,255,.12), 0 0 0 1px rgba(59,94,255,.15);

  --header-h: 72px;
  --section-py: 96px;
  --container-w: 1140px;

  --transition: .3s cubic-bezier(.4,0,.2,1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-light); }

.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 800px; }

/* ---------- Typography ---------- */
h1, h2, h3 { font-weight: 800; line-height: 1.15; color: var(--text); letter-spacing: -.02em; }
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); }
h1 em { font-style: normal; background: var(--gradient-cta); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero__title-white { -webkit-text-fill-color: #fff; color: #fff; background: none; -webkit-background-clip: unset; background-clip: unset; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); margin-bottom: 24px; }
h3 { font-size: 1.15rem; font-weight: 700; }

/* ---------- Section ---------- */
.section { padding: var(--section-py) 0; }
.section--alt { background: var(--bg-alt); }

.section__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section__label--light {
  color: #fff;
  background: rgba(255,255,255,.15);
}

.section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}
.section__head h2 { margin-bottom: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: .95rem;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--gradient-cta);
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(59,94,255,.35);
  color: #fff;
}
.btn--ghost {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--border-strong);
}
.btn--ghost:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.btn--ghost-light {
  background: rgba(255,255,255,.12);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.25);
  backdrop-filter: blur(8px);
}
.btn--ghost-light:hover { background: rgba(255,255,255,.22); color: #fff; }
.btn--lg { padding: 16px 36px; font-size: 1rem; border-radius: var(--radius); }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}
.header__row {
  display: flex;
  align-items: center;
  height: var(--header-h);
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand__logo { height: 36px; width: auto; }

.header__support { margin-left: auto; }
.support__phone {
  font-weight: 600;
  font-size: .9rem;
  color: var(--text);
  letter-spacing: .02em;
}
.support__phone:hover { color: var(--accent); }

.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-xs);
  transition: all var(--transition);
}
.nav a:hover { color: var(--accent); background: var(--accent-soft); }
.nav__cta {
  background: var(--gradient-cta) !important;
  color: #fff !important;
  padding: 10px 22px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
}
.nav__cta:hover { transform: translateY(-1px); box-shadow: 0 4px 16px var(--accent-glow); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.burger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 0;
  background: url('./img/hero.jpg') center/cover no-repeat;
  overflow: hidden;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  z-index: 1;
}
.hero__inner {
  position: relative;
  z-index: 2;
  padding: calc(var(--header-h) + 60px) 0 120px;
  color: #fff;
}

.hero__badge-line { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.hero__event-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  font-weight: 600;
  color: rgba(255,255,255,.9);
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  padding: 6px 14px;
  border-radius: 100px;
  backdrop-filter: blur(8px);
}

.hero__subtitle-main {
  font-size: clamp(1.3rem, 2.8vw, 1.7rem);
  color: #fff;
  max-width: 700px;
  margin: 16px 0 8px;
  line-height: 1.4;
  font-weight: 600;
  letter-spacing: -.01em;
}
.hero__subtitle-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.7);
  max-width: 600px;
  margin: 0 0 32px;
  line-height: 1.5;
  font-weight: 400;
}

.hero__details { margin-bottom: 36px; }
.hero__meta-row { display: flex; flex-wrap: wrap; gap: 24px; margin-bottom: 16px; }
.meta__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .95rem;
  color: rgba(255,255,255,.85);
}
.meta__item svg { opacity: .7; flex-shrink: 0; }

.badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge {
  font-size: .78rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 100px;
  letter-spacing: .02em;
}
.badge--light {
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.9);
  border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(6px);
}

.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }
.hero__note {
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  margin-top: 16px;
}

.hero__wave {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  width: 100%;
  height: 80px;
  z-index: 3;
}

/* ---------- Prose / About ---------- */
.prose { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.8; }
.prose p { margin-bottom: 14px; }
.prose strong { color: var(--text); font-weight: 600; }
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }

/* ---------- About Split (image-hero left + text right) ---------- */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: stretch;
}

/* Left column: image with overlaid text */
.about-split__hero {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-height: 360px;
}
.about-split__hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.about-split__hero:hover img {
  transform: scale(1.04);
}
.about-split__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 36px 32px;
  background: linear-gradient(
    to bottom,
    rgba(15, 20, 45, .1) 0%,
    rgba(15, 20, 45, .5) 45%,
    rgba(15, 20, 45, .82) 100%
  );
  border-radius: var(--radius);
}
.about-split__greeting {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 14px;
  text-shadow: 0 2px 12px rgba(0,0,0,.4);
}
.about-split__invite {
  color: rgba(255,255,255,.92);
  font-size: 1.02rem;
  line-height: 1.65;
  text-shadow: 0 1px 8px rgba(0,0,0,.35);
}
.about-split__invite strong {
  color: #fff;
  font-weight: 700;
}

/* Right column: description */
.about-split__text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.about-split__text p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.78;
  margin-bottom: 18px;
}

/* ---------- Cards (Format) ---------- */
.cards { display: grid; gap: 24px; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.card--with-image {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card--with-image .card__content {
  padding: 24px 28px 32px;
}
.card__image {
  position: relative;
  width: 100%;
  height: 180px;
  overflow: hidden;
}
.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.card--with-image:hover .card__image img {
  transform: scale(1.06);
}
.card--hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}
.card h3 { margin: 16px 0 6px; font-size: 1.1rem; }
.card__sub { font-size: .82rem; color: var(--text-muted); font-weight: 500; margin-bottom: 12px; }
.card p:last-child { color: var(--text-secondary); font-size: .95rem; line-height: 1.65; }

.card__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card__icon--blue { background: var(--accent-soft); color: var(--accent); }
.card__icon--purple { background: var(--purple-soft); color: var(--purple); }
.card__icon--teal { background: var(--teal-soft); color: var(--teal); }

/* ---------- Timeline (Program) ---------- */
.timeline { position: relative; padding-left: 0; }

.slot {
  display: grid;
  grid-template-columns: 130px 32px 1fr;
  align-items: start;
  gap: 0;
  padding: 20px 0;
  position: relative;
}

.time {
  font-size: .9rem;
  font-weight: 700;
  color: var(--text);
  padding-top: 2px;
  text-align: right;
  padding-right: 16px;
}

.slot__line {
  position: relative;
  display: flex;
  justify-content: center;
  height: 100%;
  min-height: 60px;
}
.slot__line::before {
  content: '';
  position: absolute;
  top: 0; bottom: -20px;
  width: 2px;
  background: var(--border-strong);
}
.slot__line::after {
  content: '';
  position: relative;
  top: 5px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2.5px solid var(--accent);
  z-index: 1;
  flex-shrink: 0;
}

.slot:last-child .slot__line::before { display: none; }

.slot--accent .slot__line::after {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.slot--break .slot__line::after {
  background: var(--teal);
  border-color: var(--teal);
  box-shadow: 0 0 0 4px var(--teal-soft);
}

.desc { padding-left: 16px; }
.desc strong { display: block; font-weight: 700; color: var(--text); font-size: 1rem; }
.desc span { font-size: .9rem; color: var(--text-secondary); display: block; margin-top: 4px; }
.slot--accent .desc strong { color: var(--accent); }

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

.speaker-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.speaker-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}

.speaker__avatar {
  width: 140px; height: 140px;
  border-radius: 50%;
  margin: 0 auto 20px;
  overflow: hidden;
  border: 3px solid var(--border);
  box-shadow: 0 4px 20px rgba(30,50,100,.1);
  transition: all var(--transition);
}
.speaker-card:hover .speaker__avatar {
  border-color: var(--accent);
  box-shadow: 0 4px 20px var(--accent-glow);
}
.speaker__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.speaker__body h3 { font-size: 1.05rem; margin-bottom: 6px; }
.speaker__title { font-size: .85rem; color: var(--text-muted); font-weight: 500; margin-bottom: 10px; }
.speaker__focus { font-size: .88rem; color: var(--text-secondary); line-height: 1.55; margin-bottom: 14px; }

.speaker__tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.speaker__tags span {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--accent-soft);
  color: var(--accent);
}

/* ---------- Audience ---------- */
.audience__tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.atag {
  font-size: .88rem;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 100px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.atag:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

.audience__note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(59,94,255,.12);
  border-radius: var(--radius);
  padding: 20px 24px;
}
.audience__note svg { flex-shrink: 0; margin-top: 2px; }
.audience__note p { font-size: .95rem; color: var(--text-secondary); }
.audience__note strong { color: var(--text); }

/* ---------- Venue ---------- */
.venue { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.venue__info { display: flex; flex-direction: column; gap: 20px; }

.venue__detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: .95rem;
  color: var(--text-secondary);
}
.venue__detail svg { flex-shrink: 0; margin-top: 2px; }
.venue__detail strong { color: var(--text); }

.venue__actions { display: flex; gap: 12px; margin-top: 8px; }

.venue__map {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.venue__map iframe { width: 100%; height: 380px; border: none; display: block; }

/* ---------- Register ---------- */
.section--register {
  background: var(--gradient-cta);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.section--register::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 70%);
  border-radius: 50%;
}
.section--register h2 { color: #fff; }
.section--register p { color: rgba(255,255,255,.85); }

.register__wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.register__highlights { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.rh {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .95rem;
  font-weight: 500;
  color: rgba(255,255,255,.9);
}
.rh svg { stroke: rgba(255,255,255,.8); }

/* ---------- Form ---------- */
.form {
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  padding: 36px 32px;
}
.form__grid { display: flex; flex-direction: column; gap: 18px; margin-bottom: 18px; }

.form label span {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: rgba(255,255,255,.8);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.form input[type="text"],
.form input[type="tel"],
.form input:not([type="checkbox"]) {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: .95rem;
  font-family: inherit;
  transition: all var(--transition);
}
.form input:not([type="checkbox"])::placeholder { color: rgba(255,255,255,.4); }
.form input:not([type="checkbox"]):focus {
  outline: none;
  border-color: rgba(255,255,255,.5);
  background: rgba(255,255,255,.15);
  box-shadow: 0 0 0 3px rgba(255,255,255,.1);
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .82rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 20px;
  cursor: pointer;
}
.consent input[type="checkbox"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  width: 20px; height: 20px;
  min-width: 20px;
  margin-top: 2px;
  flex-shrink: 0;
  border: 2px solid rgba(255,255,255,.5);
  border-radius: 4px;
  background: rgba(255,255,255,.1);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px 12px;
  cursor: pointer;
  transition: background .2s, border-color .2s;
}
.consent input[type="checkbox"]:checked {
  background-color: var(--accent);
  border-color: var(--accent);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='4 12 10 18 20 6'/%3E%3C/svg%3E");
}
.consent a { color: rgba(255,255,255,.9); text-decoration: underline; }
.consent a:hover { color: #fff; }

.form__actions { display: flex; }
.form__actions .btn--primary {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
  width: 100%;
  justify-content: center;
}
.form__actions .btn--primary:hover {
  background: #f0f2ff;
  box-shadow: 0 8px 28px rgba(0,0,0,.2);
}

.form__success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 32px 16px;
}
.form__success p { color: rgba(255,255,255,.9); font-size: 1rem; margin: 0; }
.form__success p:last-child { color: rgba(255,255,255,.6); font-size: .9rem; }

/* ---------- Partners ---------- */
.logos { display: flex; gap: 32px; flex-wrap: wrap; justify-content: center; }
.logo-placeholder {
  width: 160px; height: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: .82rem;
}

/* ---------- Reviews ---------- */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.review {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
}
.review:hover { box-shadow: var(--shadow-card-hover); border-color: transparent; transform: translateY(-2px); }

.review__stars { color: #f59e0b; font-size: 1rem; margin-bottom: 12px; letter-spacing: 2px; }

.review blockquote {
  font-size: .95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 14px;
}
.review blockquote::before { content: '\201C'; font-size: 1.5rem; color: var(--accent); margin-right: 2px; line-height: 0; vertical-align: -6px; }

.review figcaption {
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
}

/* ---------- FAQ ---------- */
.faq { display: flex; flex-direction: column; gap: 10px; }

.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.faq details:hover { border-color: var(--accent); }
.faq details[open] { border-color: var(--accent); box-shadow: 0 2px 12px var(--accent-glow); }

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }

.faq__arrow { transition: transform var(--transition); flex-shrink: 0; color: var(--text-muted); }
details[open] .faq__arrow { transform: rotate(180deg); color: var(--accent); }

.faq details > div {
  padding: 0 22px 18px;
  font-size: .95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- CTA Strip ---------- */
.cta-strip {
  background: var(--gradient-cta);
  padding: 48px 0;
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,.1) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-strip__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  z-index: 1;
}
.cta-strip h3 { font-size: 1.6rem; color: #fff; margin-bottom: 6px; }
.cta-strip p { color: rgba(255,255,255,.8); font-size: 1rem; }
.cta-strip .btn--primary {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
}
.cta-strip .btn--primary:hover {
  background: #f0f2ff;
  box-shadow: 0 8px 28px rgba(0,0,0,.2);
  color: var(--accent);
}

/* ---------- Footer ---------- */
.footer {
  background: #0f1629;
  color: rgba(255,255,255,.7);
  padding: 56px 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr auto;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer__logo { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.brand__mark--footer { opacity: .7; }
.footer__brandname { font-weight: 700; font-size: 1.1rem; color: #fff; }
.footer__tagline { font-size: .88rem; color: rgba(255,255,255,.4); }

.footer__col-title {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255,255,255,.4);
  margin-bottom: 14px;
}
.footer__contacts a, .footer__links a { color: rgba(255,255,255,.7); display: block; padding: 3px 0; }
.footer__contacts a:hover, .footer__links a:hover { color: #fff; }

.footer__socials { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
.footer__socials a { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.1); color: rgba(255,255,255,.75); transition: background .2s, color .2s, transform .2s; padding: 0; }
.footer__socials a:hover { background: rgba(255,255,255,.2); color: #fff; transform: translateY(-2px); }

.footer__cta { display: flex; align-items: flex-start; }

.footer__bottom {
  padding: 24px 0;
  font-size: .78rem;
  color: rgba(255,255,255,.35);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ---------- Scroll to top ---------- */
.to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  color: var(--accent);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
  z-index: 900;
}
.to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--accent); color: #fff; box-shadow: 0 4px 20px var(--accent-glow); }

/* ---------- Animations ---------- */
[data-anim] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1);
}
[data-anim].in-view {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 999px) {
  :root { --section-py: 72px; }

  .nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0;
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 8px;
    transform: translateY(-120%);
    transition: transform var(--transition);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
  }
  .nav--open { transform: translateY(0); }
  .nav a { width: 100%; text-align: center; padding: 12px; }
  .burger { display: flex; }

  .cols-2 { grid-template-columns: 1fr; gap: 24px; }
  .about-split { grid-template-columns: 1fr; gap: 32px; }
  .about-split__hero { min-height: 300px; }
  .cards--3 { grid-template-columns: 1fr 1fr; }
  .speakers-grid { grid-template-columns: 1fr 1fr; }
  .reviews { grid-template-columns: 1fr 1fr; }
  .venue { grid-template-columns: 1fr; }
  .register__wrapper { grid-template-columns: 1fr; gap: 36px; }
  .footer__grid { grid-template-columns: 1fr 1fr; }

  .section__head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 600px) {
  :root { --section-py: 56px; --header-h: 60px; }

  .cards--3 { grid-template-columns: 1fr; }
  .speakers-grid { grid-template-columns: 1fr; }
  .reviews { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }

  .hero__inner { padding-bottom: 100px; }
  .hero__cta { flex-direction: column; }
  .hero__cta .btn { width: 100%; justify-content: center; }

  .slot { grid-template-columns: 90px 28px 1fr; }
  .time { font-size: .82rem; }

  .cta-strip__inner { flex-direction: column; text-align: center; }

  .speaker__avatar { width: 120px; height: 120px; }
}