/* === HERO SECTION (текст + видео) === */
.hero {
  background: linear-gradient(to right, #dff9fb, #c8f7c5);
  padding: 80px 0 40px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}

.hero-copy h1 {
  font-size: 48px;
  margin-bottom: 20px;
  font-weight: 800;
  color: #1a3d2d;
  font-family: "Segoe UI", sans-serif;
}

.hero-copy p {
  font-size: 20px;
  margin-bottom: 24px;
  color: #2c3e50;
  font-family: "Segoe UI", sans-serif;
}

.hero .btn {
  background-color: #1abc9c;
  color: white;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 16px;
  text-decoration: none;
  transition: background 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.hero .btn:hover {
  background-color: #16a085;
}

/* адаптив hero */
@media (max-width: 768px) {
  .hero {
    padding: 64px 0 32px;
  }

  .hero-copy h1 {
    font-size: 36px;
  }

  .hero-copy p {
    font-size: 18px;
  }
}

/* === VIDEO ВНУТРИ HERO (hero-video) === */

.hero-video {
  width: 100%;
  padding-top: 8px;
  background: transparent;
}

/* Обёртка под видео: фиксируем пропорции и даём тень */
.hero-video .video-wrapper {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
  aspect-ratio: 16 / 9;
}

/* Само видео: лёгкий зум, чтобы съесть чёрные полосы */
.hero-video .video-wrapper video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
  transform: scale(1.04);
}

/* Оверлей, который даёт белый / светлый переход между роликами */
.hero-video .video-wrapper .video-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background: linear-gradient(120deg, #e8fff0, #f9fff9);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.hero-video .video-wrapper .video-overlay.is-active {
  opacity: 1;
}

/* === FADE-IN ДЛЯ БЛОКОВ (about и др.) === */

.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.show {
  opacity: 1;
  transform: translateY(0);
}

/* Чтобы переход по якорям не прятался под фиксированную шапку */
#hero,
#section-steps,
#section-week,
#section-ai {
  scroll-margin-top: 160px;
}

/* === WHY HEALTHY BITE WORKS === */

.why {
  padding: 56px 0 40px;
  background: #ffffff;
}

.why-header {
  max-width: 720px;
  margin: 0 auto 32px;
  text-align: center;
}

.why-eyebrow {
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #27ae60;
  margin-bottom: 8px;
  font-weight: 700;
}

.why-title {
  font-size: 32px;
  line-height: 1.2;
  color: #1a3d2d;
  margin-bottom: 12px;
  font-weight: 800;
}

.why-subtitle {
  color: #4a6572;
  font-size: 16px;
  line-height: 1.6;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.why-grid--nested {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.why-item {
  background: #f9fff9;
  border-radius: 18px;
  padding: 22px 22px 20px;
  border: 1px solid rgba(39, 174, 96, 0.12);
  box-shadow: 0 16px 40px rgba(31, 97, 72, 0.05);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.why-icon {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: radial-gradient(circle at 30% 0%, #ffffff, #e6fff1);
  margin-bottom: 6px;
}

.why-item h3 {
  font-size: 18px;
  color: #1a3d2d;
  margin: 0;
}

.why-item p {
  font-size: 14px;
  line-height: 1.7;
  color: #4a6572;
  margin: 0;
}

/* адаптив */

@media (max-width: 992px) {
  .why-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .why-grid--nested {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .why {
    padding: 48px 0 32px;
  }

  .why-title {
    font-size: 26px;
  }

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

  .why-grid--nested {
    grid-template-columns: 1fr;
  }
}

/* === WEEK WITH HEALTHY BITE (TIMELINE) === */

.week {
  padding: 56px 0 40px;
  background: #f9fff9;
}

.week-header {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
}

.week-eyebrow {
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #27ae60;
  margin-bottom: 8px;
  font-weight: 700;
}

.week-title {
  font-size: 32px;
  line-height: 1.2;
  margin-bottom: 12px;
  color: #1a3d2d;
  font-weight: 800;
}

.week-subtitle {
  font-size: 16px;
  color: #4a6572;
  line-height: 1.6;
  margin-bottom: 10px;
}

.week-timeline {
  position: relative;
  margin: 0 auto;
  max-width: 720px;
  padding-left: 32px;
  border-left: 3px solid rgba(39, 174, 96, 0.25);
}

.week-step {
  margin-bottom: 40px;
  position: relative;
  padding-left: 24px;
}

.week-circle {
  position: absolute;
  left: -43px;
  top: 0;
  width: 30px;
  height: 30px;
  background: #27ae60;
  color: #fff;
  border-radius: 50%;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(39, 174, 96, 0.25);
}

.week-step h3 {
  font-size: 18px;
  color: #1a3d2d;
  margin-bottom: 6px;
}

.week-step p {
  font-size: 15px;
  color: #4a6572;
  line-height: 1.7;
  max-width: 580px;
}

/* адаптив */

@media (max-width: 600px) {
  .week-timeline {
    padding-left: 20px;
  }

  .week-circle {
    left: -32px;
  }

  .week-title {
    font-size: 26px;
  }
}

/* === AI CHAT DEMO === */

.chat-demo {
  padding: 56px 0 32px;
  background: #ffffff;
}

.chat-header {
  max-width: 720px;
  margin: 0 auto 32px;
  text-align: center;
}

.chat-eyebrow {
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #27ae60;
  margin-bottom: 8px;
  font-weight: 700;
}

.chat-title {
  font-size: 32px;
  line-height: 1.2;
  color: #1a3d2d;
  margin-bottom: 12px;
  font-weight: 800;
}

.chat-subtitle {
  color: #4a6572;
  font-size: 16px;
  line-height: 1.6;
}

/* chat box */
.chat-box {
  max-width: 720px;
  margin: 0 auto;
  background: #f9fff9;
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 20px 50px rgba(31, 97, 72, 0.08);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* messages */

.msg {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.msg.user {
  justify-content: flex-end;
}

.msg.user .bubble {
  background: #1abc9c;
  color: #fff;
  border-radius: 16px 16px 4px 16px;
}

.msg.ai .bubble {
  background: #ffffff;
  border-radius: 16px 16px 16px 4px;
  border: 1px solid rgba(39, 174, 96, 0.2);
  color: #2c3e50;
}

.bubble {
  max-width: 75%;
  padding: 14px 18px;
  font-size: 15px;
  line-height: 1.6;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}

/* avatar for AI */
.avatar {
  width: 34px;
  height: 34px;
  background: #e6fff1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 18px;
  border: 1px solid rgba(39, 174, 96, 0.2);
}

/* адаптив */
@media (max-width: 600px) {
  .chat-title {
    font-size: 26px;
  }

  .bubble {
    max-width: 100%;
  }

  .chat-box {
    padding: 24px;
  }
}

/* === SITE FOOTER === */

.site-footer {
  padding: 16px 0 16px;
  background: #f9fff9;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 14px;
  color: #4a6572;
}

.footer-brand {
  font-weight: 800;
  font-size: 18px;
  color: #1a3d2d;
}

.footer-brand span {
  color: #27ae60;
}

.footer-copy {
  margin: 0;
}

/* адаптив футера */
@media (max-width: 600px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* === SOFT HABITS TWO-COL === */

.home-soft-habits {
  padding: 56px 0;
  background: #f9fff9;
}

.home-soft-habits .hb-layout-two {
  margin: 0;
}

/* === HABITS TRACKING === */

.home-habits {
  padding: 56px 0;
  background: #ffffff;
}

.home-habits-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: 28px;
  align-items: center;
}

.home-habits-text {
  display: grid;
  gap: 12px;
}

.home-habits-text h2 {
  margin: 0;
  font-size: 28px;
  color: #1a3d2d;
  font-weight: 800;
}

.home-habits-text p {
  margin: 0;
  color: #34495e;
  line-height: 1.6;
  font-size: 16px;
}

/* === HOME CTA BANNER === */

.home-cta-banner {
  padding: 50px 0 60px;
  background: #f9fff9;
}

.home-cta-banner__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 26px;
  align-items: center;
  background: linear-gradient(135deg, #1a3d2d, #0f2a1f);
  color: #ffffff;
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.2);
}

.home-cta-banner__image img {
  width: 100%;
  display: block;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
}

.home-cta-banner__text {
  display: grid;
  gap: 12px;
}

.home-cta-banner__text h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 800;
}

.home-cta-banner__text p {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
}

.home-cta-banner .why-eyebrow {
  color: #a7f0c2;
}

.home-cta-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.home-cta-banner .btn.btn-secondary {
  background: transparent;
  color: #a7f0c2;
  border: 1px solid rgba(167, 240, 194, 0.7);
}

.home-cta-banner .btn.btn-secondary:hover {
  background: rgba(167, 240, 194, 0.15);
}

/* === RESPONSIVE === */

@media (max-width: 900px) {
  .hb-layout-two {
    grid-template-columns: 1fr;
  }

  .hb-layout-two--reverse .hb-layout-two__text,
  .hb-layout-two--reverse .hb-layout-two__image {
    order: initial;
  }

  .hb-layout-two__text h2,
  .hb-layout-two__text h3,
  .home-habits-text h2 {
    font-size: 24px;
  }

  .home-habits-inner,
  .home-cta-banner__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .hb-layout-two,
  .home-soft-habits,
  .home-habits {
    margin-top: 0;
  }

  .hb-layout-two__text p,
  .home-habits-text p,
  .home-cta-banner__text p {
    font-size: 15px;
  }

  .home-cta-banner {
    padding: 36px 0 46px;
  }

  .home-cta-banner__actions {
    flex-direction: column;
  }

  .home-cta-banner .btn,
  .home-cta-banner .btn.btn-secondary {
    width: 100%;
    text-align: center;
  }
}