/* ===== Базовые настройки ===== */
:root {
  --color-bg: #f7f5f2;
  --color-bg-alt: #f2efeb;
  --color-surface: #ffffff;
  --color-burgundy: #5a1024;
  --color-burgundy-deep: #5a1024;
  --color-text: #2a2525;
  --color-text-muted: #6b6460;
  --color-text-inverse: #ffffff;
  --color-accent: var(--color-burgundy);
  --color-accent-hover: #6e1630;
  --color-border: #ddd8d2;
  --radius: 10px;
  --container-width: 1120px;
  --font-main: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Lora", Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3 {
  margin: 0;
  line-height: 1.25;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: -0.005em;
}

p {
  margin: 0;
}

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

/* ===== Motion: scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 0.84, 0.44, 1),
              transform 0.8s cubic-bezier(0.16, 0.84, 0.44, 1);
  transition-delay: calc(var(--i, 0) * 90ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ===== Декоративные элементы ===== */
.eyebrow {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.75);
}

.eyebrow--dark {
  color: var(--color-burgundy);
  opacity: 0.75;
}

/* ===== Кнопки ===== */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 16px;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease, opacity 0.2s ease;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

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

.btn--secondary {
  background: transparent;
  color: var(--color-burgundy);
  border: 1px solid var(--color-burgundy);
}

.btn--secondary:hover {
  background: rgba(90, 16, 36, 0.08);
}

.btn--small {
  padding: 10px 18px;
  font-size: 14px;
}

.link-inline {
  display: inline-block;
  margin-top: 16px;
  color: inherit;
  font-weight: 600;
  border-bottom: 1px solid transparent;
}

.link-inline:hover {
  border-bottom-color: currentColor;
}

/* ===== Шапка ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--color-burgundy);
  white-space: nowrap;
}

.footer .logo {
  color: var(--color-text-inverse);
}

/* ===== Hero ===== */
.hero {
  background: var(--color-burgundy);
  color: var(--color-text-inverse);
  padding: 100px 0 88px;
}

.hero__inner {
  max-width: 760px;
}

.hero__title {
  font-size: clamp(36px, 5.5vw, 58px);
  font-weight: 700;
  margin-bottom: 22px;
}

.hero__subtitle {
  font-family: var(--font-main);
  font-size: clamp(16px, 2vw, 19px);
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 36px;
  max-width: 620px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero .btn--primary {
  background: var(--color-text-inverse);
  color: var(--color-burgundy);
}

.hero .btn--primary:hover {
  background: #fff;
}

.hero .btn--secondary {
  color: var(--color-text-inverse);
  border-color: rgba(255, 255, 255, 0.4);
}

.hero .btn--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ===== О нас ===== */
.about {
  padding: 96px 0 100px;
  background: var(--color-bg);
}

.about__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}

.about__quote {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(28px, 3.6vw, 42px);
  line-height: 1.3;
  color: var(--color-burgundy);
}

.about__text p {
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.about__text .link-inline {
  color: var(--color-burgundy);
  font-weight: 700;
  margin-top: 0;
}

.about__team {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.team-member {
  display: flex;
  align-items: center;
  gap: 14px;
}

.team-member__photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-burgundy);
  color: var(--color-text-inverse);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  overflow: hidden;
}

.team-member__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-member__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.team-member__name {
  font-weight: 600;
  font-size: 15px;
  border-bottom: 1px solid transparent;
}

.team-member__name:hover {
  color: var(--color-burgundy);
  border-bottom-color: currentColor;
}

.team-member__role {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ===== Section shared ===== */
.section-title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  margin-bottom: 44px;
}

.benefits {
  padding: 88px 0;
}

.testimonials {
  padding: 88px 0;
  background: var(--color-bg-alt);
}

.process {
  padding: 88px 0;
  background: var(--color-bg-alt);
}

/* ===== Выгоды ===== */
.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.benefit-card {
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(90, 16, 36, 0.1);
}

.benefit-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.benefit-card p {
  color: var(--color-text-muted);
  font-size: 15px;
}

.benefit-card--feature {
  grid-column: span 2;
  background: var(--color-bg-alt);
  padding: 36px;
}

.benefit-card--feature h3 {
  font-size: 24px;
  font-weight: 700;
}

.benefit-card--feature p {
  font-size: 16px;
  max-width: 46ch;
}

.benefit-card--capstone {
  grid-column: 1 / -1;
  background: var(--color-burgundy);
  border-color: var(--color-burgundy);
  color: var(--color-text-inverse);
  padding: 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.benefit-card--capstone h3 {
  font-size: 24px;
  font-weight: 700;
}

.benefit-card--capstone p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 40ch;
}

/* ===== Процесс ===== */
.process__list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.process-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.process-step:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.process-step__number {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-burgundy);
  flex-shrink: 0;
  padding-top: 3px;
}

.process-step h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.process-step p {
  color: var(--color-text-muted);
  font-size: 15px;
}

/* ===== Тарифы ===== */
.pricing {
  padding: 88px 0;
}

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

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.pricing-card:not(.pricing-card--featured):hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(90, 16, 36, 0.1);
}

.pricing-card--featured:hover {
  box-shadow: 0 26px 46px rgba(90, 16, 36, 0.24);
}

.pricing-card__title {
  font-size: 20px;
}

.pricing-card__for {
  font-size: 14px;
  color: var(--color-text-muted);
}

.pricing-card__price {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-burgundy);
}

.pricing-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  flex-grow: 1;
}

.pricing-card__list li {
  position: relative;
  padding-left: 18px;
}

.pricing-card__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-burgundy);
}

.pricing-card .btn {
  align-self: flex-start;
  margin-top: 4px;
}

.pricing-card__badge {
  position: absolute;
  top: -13px;
  left: 28px;
  background: var(--color-text-inverse);
  color: var(--color-burgundy);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 5px 12px;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
  animation: badgePulse 2.6s ease-in-out infinite;
}

@keyframes badgePulse {
  0%, 100% {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22), 0 0 0 0 rgba(255, 255, 255, 0.5);
  }
  50% {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22), 0 0 0 7px rgba(255, 255, 255, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pricing-card__badge {
    animation: none;
  }
}

.pricing-card--featured {
  background: var(--color-burgundy);
  border-color: var(--color-burgundy);
  color: var(--color-text-inverse);
}

.pricing-card--featured .pricing-card__for {
  color: rgba(255, 255, 255, 0.8);
}

.pricing-card--featured .pricing-card__price {
  color: var(--color-text-inverse);
}

.pricing-card--featured .pricing-card__list li::before {
  color: var(--color-text-inverse);
}

.pricing-card--featured .btn--primary {
  background: var(--color-text-inverse);
  color: var(--color-burgundy);
}

.pricing-card--featured .btn--primary:hover {
  background: #fff;
}

@media (min-width: 861px) {
  .pricing-card--featured {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(90, 16, 36, 0.18);
  }
}

/* ===== Кейсы ===== */
.cases {
  padding: 88px 0;
  background: var(--color-bg-alt);
}

.cases__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.cases__header .section-title {
  margin-bottom: 32px;
}

.cases__nav {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
}

.cases__arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-burgundy);
  background: transparent;
  color: var(--color-burgundy);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.cases__arrow:hover {
  background: var(--color-burgundy);
  color: var(--color-text-inverse);
}

.cases__arrow:disabled {
  opacity: 0.35;
  cursor: default;
  background: transparent;
  color: var(--color-burgundy);
}

.cases__viewport {
  display: flex;
  align-items: stretch;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding: 10px 0 26px;
  margin: -10px 0 -26px;
}

.cases__viewport::-webkit-scrollbar {
  display: none;
}

.case-card {
  flex: 0 0 100%;
  width: 100%;
  scroll-snap-align: start;
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(90, 16, 36, 0.1);
}

.case-card__image {
  flex: 0 0 44%;
  aspect-ratio: 3 / 2;
}

.case-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card__body {
  flex: 1;
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.case-card--placeholder {
  border-style: dashed;
}

.case-card--placeholder .case-card__body {
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 72px 44px;
}

.case-card--placeholder .case-card__title {
  color: var(--color-text-muted);
}

.case-card__tag {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-burgundy);
}

.case-card__title {
  font-size: 20px;
}

.case-card__text {
  color: var(--color-text-muted);
  font-size: 15px;
  max-width: 52ch;
}

.case-card__results {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

.case-card__results li {
  position: relative;
  padding-left: 18px;
}

.case-card__results li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-burgundy);
}

.case-card__link {
  margin-top: 8px;
  font-weight: 700;
  color: var(--color-burgundy);
  align-self: flex-start;
}

.case-card__link:hover {
  border-bottom: 1px solid currentColor;
}

/* ===== Отрасли ===== */
.industries {
  padding: 88px 0;
  background: var(--color-bg);
}

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

.industry-chip {
  display: inline-block;
  padding: 12px 22px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  font-size: 15px;
  color: var(--color-text);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.industry-chip:hover {
  border-color: var(--color-burgundy);
  background: var(--color-bg-alt);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(90, 16, 36, 0.08);
}

.industries__note {
  margin-top: 36px;
  padding: 24px 28px;
  border-radius: var(--radius);
  border-left: 3px solid var(--color-burgundy);
  background: var(--color-bg-alt);
}

.industries__note p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 70ch;
}

.industries__note strong {
  color: var(--color-text);
  font-weight: 600;
}

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

.testimonial-card {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--color-surface);
}

.testimonial-card p {
  font-size: 15px;
  margin-bottom: 16px;
}

.testimonial-card span {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* ===== CTA / форма ===== */
.cta {
  background: var(--color-burgundy-deep);
  color: var(--color-text-inverse);
  padding: 96px 0;
  text-align: center;
}

.cta .section-title {
  margin-bottom: 14px;
}

.cta .btn--primary {
  background: var(--color-text-inverse);
  color: var(--color-burgundy-deep);
}

.cta .btn--primary:hover {
  background: #fff;
}

.cta__text {
  font-family: var(--font-main);
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
  margin-bottom: 40px;
}

.form {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}

.form input,
.form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.07);
  color: var(--color-text-inverse);
  font-family: inherit;
  font-size: 15px;
  resize: vertical;
}

.form input::placeholder,
.form textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--color-text-inverse);
}

.form .btn {
  margin-top: 6px;
}

.form__note {
  margin-top: 16px;
  font-size: 14px;
  color: #e0c88f;
  min-height: 20px;
}

/* ===== Футер ===== */
.footer {
  padding: 40px 0;
  background: var(--color-burgundy-deep);
  color: var(--color-text-inverse);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer__contacts {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

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

.footer__copy {
  width: 100%;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 8px;
}

/* ===== Мобильная адаптация ===== */
@media (max-width: 860px) {
  .benefits__grid,
  .testimonials__grid,
  .pricing__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .case-card {
    flex-direction: column;
  }

  .case-card__image {
    flex-basis: auto;
    aspect-ratio: 16 / 10;
  }

  .case-card__body {
    padding: 32px;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 64px 0 56px;
  }

  .about {
    padding: 64px 0 68px;
  }

  .benefits, .process, .testimonials, .pricing, .cases, .industries {
    padding: 56px 0;
  }

  .case-card__body {
    padding: 24px;
  }

  .cta {
    padding: 64px 0;
  }

  .benefits__grid,
  .testimonials__grid,
  .pricing__grid {
    grid-template-columns: 1fr;
  }

  .pricing-card--featured {
    transform: none;
  }

  .benefit-card--feature,
  .benefit-card--capstone {
    grid-column: auto;
  }

  .benefit-card--capstone {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .process-step {
    flex-direction: column;
    gap: 8px;
  }

  .logo {
    font-size: 15px;
  }

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