@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Inter:wght@400;500;600&display=swap');

:root {
  --c-bg: #ffffff;
  --c-surface: #f0f7ff;
  --c-primary: #1E88E5;
  --c-accent: #FF6B35;
  --c-accent-hover: #e85a25;
  --c-text: #1a1a2e;
  --c-muted: #6b7280;
  --c-border: #e5e7eb;
  --c-white: #ffffff;
  --c-success: #10b981;
  --font-heading: 'Nunito', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 2px 8px rgba(30,136,229,0.08);
  --shadow-md: 0 8px 24px rgba(30,136,229,0.12);
  --max-w: 480px;
  --px: 20px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

/* ===== BUTTONS ===== */
.btn-cta {
  display: block;
  background: var(--c-accent);
  color: var(--c-white);
  height: 54px;
  border-radius: 999px;
  padding: 0 32px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  line-height: 54px;
  width: 100%;
  transition: filter 0.2s, transform 0.15s;
}
.btn-cta:hover { filter: brightness(1.1); transform: translateY(-2px); }
.btn-cta:active { transform: translateY(0); }

/* ===== BADGE ===== */
.badge {
  display: inline-block;
  background: var(--c-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

/* ===== SECTION TITLES ===== */
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 4vw, 1.8rem);
  font-weight: 800;
  color: var(--c-text);
  text-align: center;
  line-height: 1.25;
  margin-bottom: 8px;
}
.section-sub {
  text-align: center;
  color: var(--c-muted);
  font-size: 0.95rem;
  margin-bottom: 32px;
}

/* ===========================
   HERO
   =========================== */
.hero {
  background: linear-gradient(160deg, #e8f4fd 0%, #fff 60%);
  padding: 40px 0 32px;
}
.hero__badge-wrap { text-align: center; margin-bottom: 14px; }
.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(1.65rem, 5vw, 2.2rem);
  font-weight: 900;
  line-height: 1.15;
  text-align: center;
  color: var(--c-text);
  margin-bottom: 12px;
}
.hero__title span { color: var(--c-accent); }
.hero__sub {
  text-align: center;
  color: var(--c-muted);
  font-size: 0.97rem;
  line-height: 1.6;
  margin-bottom: 20px;
}
.hero__img {
  width: 100%;
  margin: 0 auto 24px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.hero__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__price-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  margin-bottom: 20px;
}
.hero__price-new {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--c-accent);
}
.hero__price-old {
  font-size: 1.1rem;
  color: var(--c-muted);
  text-decoration: line-through;
}
.hero__cta { max-width: 340px; margin: 0 auto 16px; }
.hero__delivery {
  text-align: center;
  font-size: 0.8rem;
  color: var(--c-muted);
}
.hero__delivery span { color: var(--c-success); font-weight: 600; }

/* ===========================
   PROBLEM/SOLUTION
   =========================== */
.problem {
  padding: 48px 0;
  background: var(--c-bg);
}
.problem__card {
  background: #fff8f6;
  border: 1.5px solid #ffe0d4;
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  margin-bottom: 20px;
}
.problem__card-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--c-accent);
  margin-bottom: 14px;
}
.problem__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.problem__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--c-text);
}
.problem__list li::before {
  content: '😩';
  flex-shrink: 0;
  font-size: 1.1rem;
  margin-top: 1px;
}
.solution__card {
  background: #f0fdf8;
  border: 1.5px solid #a7f3d0;
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
}
.solution__card-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--c-success);
  margin-bottom: 8px;
}
.solution__desc { font-size: 0.95rem; color: var(--c-text); line-height: 1.65; }

/* ===========================
   BENEFITS
   =========================== */
.benefits {
  padding: 48px 0;
  background: var(--c-surface);
}
.benefits__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.benefit-card {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  box-shadow: var(--shadow);
  text-align: center;
}
.benefit-card__icon { font-size: 2rem; margin-bottom: 8px; }
.benefit-card__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--c-text);
  margin-bottom: 4px;
}
.benefit-card__desc { font-size: 0.78rem; color: var(--c-muted); line-height: 1.5; }

/* ===========================
   HOW TO USE
   =========================== */
.how-to {
  padding: 48px 0;
  background: var(--c-bg);
}
.steps { display: flex; flex-direction: column; gap: 20px; }
.step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: 18px 16px;
  box-shadow: var(--shadow);
}
.step__number {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--c-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step__img {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  border-radius: var(--radius);
  overflow: hidden;
  object-fit: cover;
}
.step__img img { width: 100%; height: 100%; object-fit: cover; }
.step__info { flex: 1; }
.step__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--c-text);
  margin-bottom: 4px;
}
.step__desc { font-size: 0.85rem; color: var(--c-muted); line-height: 1.5; }

/* ===========================
   KIT / PRICING VARIANTS
   =========================== */
.kit {
  padding: 48px 0;
  background: var(--c-surface);
}
.kit__grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.kit-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--c-white);
  border: 2px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.kit-card:hover, .kit-card.active {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(30,136,229,0.1);
}
.kit-card__label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--c-text);
}
.kit-card__desc { font-size: 0.8rem; color: var(--c-muted); }
.kit-card__price {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--c-accent);
  white-space: nowrap;
}

/* ===========================
   REVIEWS
   =========================== */
.reviews {
  padding: 48px 0;
  background: var(--c-bg);
}
.reviews__grid { display: flex; flex-direction: column; gap: 16px; }
.review-card {
  background: var(--c-white);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  box-shadow: var(--shadow);
}
.review-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.review-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: #e0ecff;
}
.review-card__avatar img { width: 100%; height: 100%; object-fit: cover; }
.review-card__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--c-text);
}
.review-card__stars { color: #f59e0b; font-size: 0.85rem; letter-spacing: 2px; }
.review-card__text { font-size: 0.9rem; color: var(--c-text); line-height: 1.6; }

/* ===========================
   TIMER + CTA
   =========================== */
.cta-section {
  padding: 48px 0;
  background: linear-gradient(160deg, #fff4f0 0%, #fff 60%);
}
.timer-block {
  background: var(--c-white);
  border: 2px solid var(--c-accent);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
  margin-bottom: 24px;
  box-shadow: 0 4px 16px rgba(255,107,53,0.15);
}
.timer-block__label {
  font-size: 0.85rem;
  color: var(--c-muted);
  margin-bottom: 10px;
}
.timer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
}
.timer__cell {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.timer__cell-num {
  background: var(--c-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 2rem;
  width: 58px;
  height: 58px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.timer__cell-label { font-size: 0.62rem; color: var(--c-muted); margin-top: 5px; text-transform: uppercase; letter-spacing: 0.05em; }
.timer__sep {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: 12px;
}
.price-block {
  text-align: center;
  margin-bottom: 20px;
}
.price-block__label { font-size: 0.85rem; color: var(--c-muted); margin-bottom: 6px; }
.price-block__row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  margin-bottom: 6px;
}
.price-block__new {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--c-accent);
}
.price-block__old {
  font-size: 1.15rem;
  color: var(--c-muted);
  text-decoration: line-through;
}
.price-block__delivery { font-size: 0.82rem; color: var(--c-success); font-weight: 600; }
.cta-wrap { max-width: 340px; margin: 0 auto 16px; }
.cta-guarantee { text-align: center; font-size: 0.78rem; color: var(--c-muted); }

/* ===========================
   ORDER FORM
   =========================== */
.order-form-section {
  padding: 48px 0;
  background: var(--c-surface);
}
.form-card {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  box-shadow: var(--shadow-md);
}
.form-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  text-align: center;
  color: var(--c-text);
  margin-bottom: 6px;
}
.form-card__sub {
  text-align: center;
  font-size: 0.85rem;
  color: var(--c-muted);
  margin-bottom: 20px;
}
.form { display: flex; flex-direction: column; gap: 12px; }
.form input {
  height: 52px;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  padding: 0 16px;
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: var(--c-text);
  transition: border-color 0.2s;
  background: var(--c-bg);
  width: 100%;
}
.form input:focus { outline: none; border-color: var(--c-primary); }
.form input::placeholder { color: var(--c-muted); }
.form-note { text-align: center; font-size: 0.78rem; color: var(--c-success); margin-top: 10px; font-weight: 600; }

/* ===========================
   PRODUCT IMAGE SECTION
   =========================== */
.product-section {
  padding: 48px 0;
  background: var(--c-bg);
}
.product-img {
  width: 100%;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 1/1;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===========================
   FAQ
   =========================== */
.faq {
  padding: 48px 0;
  background: var(--c-surface);
}
.faq__list { display: flex; flex-direction: column; gap: 10px; }
.faq__item {
  background: var(--c-white);
  border-radius: var(--radius);
  border: 1.5px solid var(--c-border);
  overflow: hidden;
}
.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  list-style: none;
  color: var(--c-text);
  gap: 8px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+';
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--c-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--c-primary);
  font-weight: 800;
  transition: transform 0.2s;
  text-align: center;
  line-height: 22px;
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__answer {
  padding: 0 18px 16px;
  font-size: 0.88rem;
  color: var(--c-muted);
  line-height: 1.65;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: #1a1a2e;
  color: rgba(255,255,255,0.55);
  text-align: center;
  padding: 28px 20px;
  font-size: 0.78rem;
}
.footer a { color: rgba(255,255,255,0.4); text-decoration: underline; }

/* ===========================
   STICKY CTA
   =========================== */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  border-top: 1px solid var(--c-border);
  padding: 10px 20px;
  backdrop-filter: blur(8px);
}
.sticky-cta__inner { max-width: var(--max-w); margin: 0 auto; }
.sticky-cta .btn-cta { font-size: 0.95rem; height: 48px; line-height: 48px; }