:root {
  --bg: #f4f7f8;
  --bg-elevated: #ffffff;
  --bg-tint: #e8f0f0;
  --ink: #152028;
  --ink-soft: #4d5c68;
  --line: #d5e0e4;
  --primary: #0c6b66;
  --primary-deep: #094f4b;
  --primary-soft: #d7efed;
  --accent: #1f4f6e;
  --hero-veil: rgba(244, 247, 248, 0.78);
  --radius: 4px;
  --radius-lg: 12px;
  --shadow: 0 1px 0 rgba(21, 32, 40, 0.04);
  --font-sans: "Manrope", "Segoe UI", sans-serif;
  --font-display: "Newsreader", "Times New Roman", serif;
  --container: 1120px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(1200px 480px at 10% -10%, #dff0ee 0%, transparent 55%),
    radial-gradient(900px 420px at 100% 0%, #e4eef5 0%, transparent 50%),
    var(--bg);
}

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

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.6em;
}

h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 1rem;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

.tariffs h2 {
  color: var(--primary);
}

.section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}

.section__lead {
  max-width: 36rem;
  color: var(--ink-soft);
  margin-bottom: 2rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--header-h);
  background: rgba(244, 247, 248, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(255, 255, 255, 0.92);
}

.header__inner {
  min-height: var(--header-h);
  padding-block: 0.75rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  flex: 1 1 40%;
  min-width: 40%;
}

.brand img {
  border-radius: 8px;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  line-height: 1.25;
  min-width: 0;
}

.brand__text strong {
  font-size: 12px;
  font-weight: 700;
  white-space: normal;
  overflow-wrap: break-word;
}

.brand__text span {
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
  white-space: normal;
  overflow-wrap: break-word;
}

.nav {
  display: flex;
  gap: 1.25rem;
  margin-left: auto;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.nav a:hover {
  color: var(--primary);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.header__contacts {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  min-width: 10.5rem;
}

.header__phone {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

.header__contacts .btn--sm {
  width: 100%;
  font-size: 11px;
  min-height: 20px;
  padding: 0.12rem 0.6rem;
  line-height: 1.2;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  margin: 5px auto;
  background: var(--ink);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--primary-deep);
}

.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn--sm {
  min-height: 40px;
  padding: 0.45rem 0.95rem;
  font-size: 0.88rem;
}

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

/* Hero */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--ink);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  transform: scale(1.04);
  animation: hero-pan 18s var(--ease) infinite alternate;
}

.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      105deg,
      rgba(244, 247, 248, 0.96) 0%,
      rgba(244, 247, 248, 0.88) 38%,
      rgba(244, 247, 248, 0.35) 62%,
      rgba(244, 247, 248, 0.12) 100%
    ),
    linear-gradient(180deg, rgba(244, 247, 248, 0.2) 0%, transparent 30%, rgba(244, 247, 248, 0.55) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  max-width: min(100% - 2rem, 38rem);
  margin-left: max(1rem, calc((100% - var(--container)) / 2));
  margin-right: auto;
}

.hero__brand {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.hero__title {
  margin-bottom: 1rem;
}

.hero__lead {
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 32rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0 1.25rem;
}

.hero__dates {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.8s var(--ease) forwards;
}

.reveal--delay-1 { animation-delay: 0.1s; }
.reveal--delay-2 { animation-delay: 0.2s; }
.reveal--delay-3 { animation-delay: 0.3s; }
.reveal--delay-4 { animation-delay: 0.42s; }

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes hero-pan {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to { transform: scale(1.08) translate3d(-1.2%, -0.8%, 0); }
}

/* Stats */
.stats {
  padding-top: 0.5rem;
  padding-bottom: 2rem;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--primary);
  line-height: 1;
}

.stat__label {
  font-size: 0.92rem;
  color: var(--ink-soft);
}

/* Outcomes */
.outcome-list {
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.outcome-list li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line);
}

.outcome-list span {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--primary);
}

.outcome-list p {
  margin: 0;
  font-size: 1.05rem;
}

/* Process */
.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding-top: 2.5rem;
}

.steps li::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--primary);
}

.steps strong {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
}

.steps p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* Speakers */
.speakers__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem 1.25rem;
}

.speaker img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
  background: var(--bg-tint);
  margin-bottom: 0.85rem;
  transition: transform 0.45s var(--ease);
}

.speaker:hover img {
  transform: scale(1.03);
}

.speaker h3 {
  margin-bottom: 0.35rem;
}

.speaker p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.speaker--more {
  display: none;
}

.speakers.is-expanded .speaker--more {
  display: block;
}

.speakers__toggle {
  margin-top: 2rem;
}

/* Certificate */
.certificate {
  background: var(--bg-elevated);
  border-block: 1px solid var(--line);
}

.certificate__grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 2.5rem;
  align-items: center;
}

.certificate__figure {
  margin: 0;
  padding: 1rem;
  background:
    linear-gradient(145deg, var(--bg-tint), #fff 55%),
    var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.certificate__figure img {
  margin-inline: auto;
  max-height: 420px;
  width: auto;
}

/* Accordion */
.accordion {
  display: grid;
  gap: 0.75rem;
}

.accordion__item {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  padding: 0 1.25rem;
}

.accordion__item summary {
  list-style: none;
  cursor: pointer;
  display: block;
  width: 100%;
  padding: 1.15rem 1.75rem 1.15rem 0;
  font-weight: 600;
  position: relative;
}

.accordion__item summary::-webkit-details-marker,
.accordion__item summary::marker {
  display: none;
  content: none;
}

.accordion__item summary::after {
  content: "";
  position: absolute;
  right: 0.15rem;
  top: 1.4rem;
  width: 0.55rem;
  height: 0.55rem;
  border-right: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease);
}

.accordion__item[open] summary::after {
  top: 1.55rem;
  transform: rotate(225deg);
}

/* Structured header only for program modules (span + strong + em) */
.accordion__item summary:has(> span) {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.35rem 1rem;
  align-items: baseline;
}

.accordion__item summary span {
  color: var(--primary);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.accordion__item summary em {
  grid-column: 2;
  font-style: normal;
  font-weight: 500;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.accordion__item ul,
.accordion__item p {
  padding-bottom: 1.15rem;
  color: var(--ink-soft);
}

.accordion__item ul {
  padding-left: 1.1rem;
  display: grid;
  gap: 0.4rem;
}

.schedule {
  display: grid;
  gap: 1.75rem;
  padding-bottom: 1.35rem;
}

.schedule-day {
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
}

.schedule-day header {
  margin-bottom: 0.85rem;
}

.schedule-day h3 {
  margin: 0 0 0.25rem;
  font-size: 1.2rem;
}

.schedule-track {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
}

.schedule-item {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  gap: 0.85rem 1.1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.schedule-item:last-child {
  border-bottom: 0;
}

.schedule-item time {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

.schedule-item h4 {
  margin: 0 0 0.3rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1.35;
}

.schedule-item p {
  margin: 0 0 0.35rem;
  padding: 0;
  font-size: 0.92rem;
}

.schedule-speaker {
  color: var(--primary-deep) !important;
  font-weight: 600;
  font-size: 0.88rem !important;
}

.schedule-break {
  margin: 0.35rem 0;
  padding: 0.45rem 0.7rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--bg-tint);
  border-radius: var(--radius);
}

@media (max-width: 640px) {
  .schedule-item {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

/* Payment form */
.pay-grid {
  margin-bottom: 2rem;
}

.pay-form {
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  display: grid;
  gap: 1.5rem;
}

.pay-form__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.pay-form__col {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.pay-form label:not(.pay-form__consent) {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.pay-form input[type="text"],
.pay-form input[type="tel"],
.pay-form input[type="email"] {
  min-height: 48px;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: inherit;
  background: #fff;
}

.pay-form input:focus {
  outline: 2px solid var(--primary-soft);
  border-color: var(--primary);
}

.pay-form input[readonly] {
  background: var(--bg-tint);
  color: var(--ink-soft);
  cursor: default;
}

.pay-form__sum {
  display: grid;
  gap: 0.25rem;
}

.pay-form__sum-label {
  font-size: 0.88rem;
  font-weight: 600;
}

.pay-form__sum-value {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1.1;
}

.pay-form__consent {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.84rem;
  font-weight: 400;
  color: var(--ink-soft);
  cursor: pointer;
}

.pay-form__consent input[type="checkbox"] {
  margin-top: 0.22em;
  accent-color: var(--primary);
  flex-shrink: 0;
}

.pay-form__consent span {
  line-height: 1.45;
}

/*
 * Forms: checkbox always on the left and aligned with the first line.
 * Uses :has() so that only labels containing a direct checkbox are affected.
 */
form label:has(> input[type="checkbox"]) {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0.5rem;
}

form label:has(> input[type="checkbox"]) > input[type="checkbox"] {
  margin-top: 0.22em;
  flex-shrink: 0;
  accent-color: var(--primary);
}

form label:has(> input[type="checkbox"]) > span {
  line-height: 1.45;
}

.pay-form__consent a {
  color: var(--primary);
  text-decoration: underline;
}

.pay-form__docs {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-top: 0.5rem;
}

.pay-form__docs a {
  font-size: 0.84rem;
  color: var(--primary);
  text-decoration: underline;
}

.pay-form__docs--mobile {
  display: none;
}

.pay-form__bottom-docs {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

.pay-form__bottom-docs a {
  font-size: 0.84rem;
  color: var(--primary);
  text-decoration: underline;
}

.discounts {
  padding-top: 0.5rem;
}

.discounts h3 {
  margin-bottom: 0.75rem;
}

.discounts ul {
  list-style: none;
  display: grid;
  gap: 0.5rem;
  color: var(--ink-soft);
}

/* Gallery */
.gallery {
  padding-bottom: 2rem;
}

.gallery .container {
  margin-bottom: 1.5rem;
}

.gallery__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 28vw);
  gap: 0.75rem;
  overflow-x: auto;
  padding: 0 max(1rem, calc((100% - var(--container)) / 2)) 1rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.gallery__track img {
  height: 240px;
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  scroll-snap-align: start;
}

/* Apply */
.apply {
  background: var(--bg-tint);
}

.apply__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.apply-form {
  display: grid;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.apply-form label:not(.apply-form__consent) {
  display: grid;
  gap: 0.4rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.apply-form input {
  min-height: 48px;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: inherit;
  background: #fff;
}

.apply-form input:focus {
  outline: 2px solid var(--primary-soft);
  border-color: var(--primary);
}

.apply-form__consent {
  margin-top: 0.25rem;
}

.apply-form__submit {
  margin-top: 0.6rem;
}

.form-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
  font-weight: 400;
}

/* Footer */
.site-footer {
  background: var(--ink);
  color: #d7e0e6;
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__grid h3 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.footer__grid p {
  margin: 0 0 0.4rem;
  font-size: 0.92rem;
}

.footer__grid a:hover {
  color: #fff;
}

.brand--footer {
  margin-bottom: 1rem;
  color: #fff;
}

.brand--footer .brand__text span {
  color: #9aadb8;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1rem;
  font-size: 0.82rem;
  color: #8fa0ab;
}

.footer__bottom p {
  margin: 0;
}

/* Mobile */
@media (max-width: 960px) {
  .nav {
    display: none;
  }

  .header__phone {
    display: none;
  }

  .nav-toggle {
    display: inline-block;
  }

  body.nav-open .nav {
    display: flex;
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 1rem 1rem;
    margin: 0;
  }

  body.nav-open .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--line);
  }

  .stats__grid,
  .steps,
  .speakers__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .certificate__grid,
  .pay-form__fields,
  .apply__grid,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .pay-form__docs--desktop {
    display: none;
  }

  .pay-form__docs--mobile {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
  }

  .accordion__item summary {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .header__contacts .btn--sm {
    display: none;
  }

  .hero {
    min-height: 85svh;
  }

  .stats__grid,
  .speakers__grid {
    grid-template-columns: 1fr 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .gallery__track img {
    height: 200px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal,
  .hero__media img,
  .speaker img,
  .btn {
    animation: none !important;
    transition: none !important;
    opacity: 1;
    transform: none;
  }
}