:root {
  --primary: #0077b6; /* Ice Blue */
  --secondary: #ff9f1c; /* Sun Orange */
  --dark: #023e8a;
  --text: #333;
  --bg: #f4f7f6;
  --white: #fff;
  --radius: 16px;
  --container: 1100px;
}

body {
  font-family: 'Open Sans', sans-serif;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

h1, h2, h3, .logo, .btn {
  font-family: 'Montserrat', sans-serif;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 16px;
}

/* HEADER */
.header {
  background: var(--white);
  padding: 12px 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo { font-weight: 800; font-size: 20px; color: var(--text); }
.logo span { color: var(--primary); }
.header__info { font-size: 13px; font-weight: 600; color: #555; }
.pulse-icon { color: #2ecc71; animation: pulse 1.5s infinite; display: inline-block; }

/* HERO */
.hero { padding: 20px 0 40px; overflow: hidden; }
.hero__grid { display: grid; gap: 24px; }

@media(min-width: 768px) {
  .hero { padding: 60px 0; }
  .hero__grid { grid-template-columns: 1fr 1fr; align-items: center; gap: 40px; }
}

/* Slider */
.hero__visual { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.slider { width: 100%; aspect-ratio: 4/3; position: relative; background: #eee; }
.slider__track { display: flex; height: 100%; transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1); }
.slider__track img { width: 100%; height: 100%; object-fit: cover; flex-shrink: 0; }
.nav-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,0.8); border: none;
  width: 40px; height: 40px; border-radius: 50%;
  font-size: 20px; cursor: pointer; color: var(--dark);
}
.prev { left: 10px; } .next { right: 10px; }
.slider__dots { position: absolute; bottom: 15px; width: 100%; display: flex; justify-content: center; gap: 8px; }
.dot { width: 8px; height: 8px; background: rgba(255,255,255,0.5); border-radius: 50%; cursor: pointer; transition: 0.3s; }
.dot.active { background: var(--white); transform: scale(1.3); }

.badge {
  position: absolute; padding: 6px 12px;
  background: var(--secondary); color: #fff;
  font-weight: 700; font-size: 12px; border-radius: 20px;
  box-shadow: 0 4px 10px rgba(255, 159, 28, 0.4);
}
.badge--top-left { top: 15px; left: 15px; }

/* Hero Text */
.hero__title { font-size: 28px; line-height: 1.2; margin: 0 0 12px; font-weight: 800; }
.text-blue { color: var(--primary); }
.text-orange { color: var(--secondary); }
.hero__sub { font-size: 16px; color: #666; margin-bottom: 20px; }

.price-block {
  display: flex; align-items: baseline; gap: 12px; margin-bottom: 20px; flex-wrap: wrap;
}
.price-old { text-decoration: line-through; color: #999; font-size: 18px; }
.price-new { font-size: 32px; font-weight: 800; color: var(--dark); }
.timer {
  background: #e0f2fe; color: var(--dark); padding: 4px 10px;
  border-radius: 6px; font-size: 13px; font-weight: 700;
}

.btn {
  display: block; width: 90%; padding: 16px;
  border: none; border-radius: var(--radius);
  font-weight: 700; font-size: 18px; text-align: center;
  text-decoration: none; cursor: pointer; transition: 0.2s;
  text-transform: uppercase;
}
.btn--main { background: linear-gradient(135deg, var(--primary), var(--dark)); color: #fff; }
.btn--glow:hover { box-shadow: 0 8px 25px rgba(0, 119, 182, 0.4); transform: translateY(-2px); }

.benefits-list { list-style: none; padding: 0; margin-top: 20px; display: grid; gap: 8px; }
.benefits-list li { padding-left: 24px; position: relative; font-size: 14px; font-weight: 600; color: #555; }
.benefits-list li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 800; }

/* SECTIONS */
.section { padding: 50px 0; }
.section--gray { background: #eef2f5; }
.section--dark { background: #222; color: #fff; }
.section__title { font-size: 24px; margin-bottom: 30px; font-weight: 700; }
.text-center { text-align: center; }
.text-white { color: #fff; }

/* PAIN GRID */
.pain-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.pain-card { background: #fff; padding: 20px; border-radius: var(--radius); box-shadow: 0 4px 15px rgba(0,0,0,0.03); }
.pain-icon { font-size: 32px; margin-bottom: 10px; }
.pain-card h3 { margin: 0 0 8px; font-size: 18px; }
.pain-card p { margin: 0; font-size: 14px; color: #666; }

/* FEATURE ZIG-ZAG */
.feature-row { display: grid; gap: 20px; margin-bottom: 40px; }
.feature-img img { width: 100%; border-radius: var(--radius); box-shadow: 0 8px 20px rgba(0,0,0,0.1); }
.feature-text { align-self: center; }
.feature-text h3 { font-size: 22px; margin-bottom: 10px; }
.check-list { padding: 0; list-style: none; }
.check-list li { margin-bottom: 6px; padding-left: 20px; position: relative; }
.check-list li::before { content: "•"; color: var(--primary); font-size: 20px; position: absolute; left: 0; top: -5px; }

@media(min-width: 768px) {
  .feature-row { grid-template-columns: 1fr 1fr; gap: 50px; }
  .feature-row--reverse .feature-img { order: 2; }
}

/* SPECS */
.specs-wrap { background: rgba(255,255,255,0.1); border-radius: var(--radius); overflow: hidden; }
.spec-item { display: flex; justify-content: space-between; padding: 15px 20px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.spec-item:last-child { border: none; }
.spec-label { color: #aaa; font-size: 14px; }
.spec-val { font-weight: 600; text-align: right; }

/* REVIEWS SCROLL */
.reviews-scroll {
  display: flex; gap: 16px; overflow-x: auto; padding-bottom: 20px;
  scroll-snap-type: x mandatory;
}
.review-card {
  min-width: 280px; max-width: 320px;
  background: #fff; padding: 20px; border-radius: var(--radius);
  border: 1px solid #eee; scroll-snap-align: center;
}
.rev-head { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 14px; }
.stars { color: #f1c40f; letter-spacing: -2px; }
.review-card p { font-size: 13px; color: #555; margin: 0; font-style: italic; }

/* FORM SECTION */
.section--blue { background: linear-gradient(180deg, #f4f7f6 0%, #dbeafe 100%); }
.form-wrapper {
  max-width: 480px; margin: 0 auto; background: #fff;
  padding: 24px; border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 119, 182, 0.15);
}
.form-title { text-align: center; margin: 0 0 5px; color: var(--dark); font-size: 24px; }
.form-head p { text-align: center; color: var(--primary); font-weight: 600; margin-bottom: 20px; }

.product-mini {
  display: flex; gap: 12px; align-items: center; background: #f8f9fa;
  padding: 10px; border-radius: 10px; margin-bottom: 20px;
}
.product-mini img { width: 50px; height: 50px; border-radius: 8px; object-fit: cover; }
.mi-title { font-size: 13px; font-weight: 700; }
.mi-price { color: var(--primary); font-weight: 800; }

.input-group { margin-bottom: 15px; }
.input-group label { display: block; font-size: 12px; font-weight: 700; margin-bottom: 5px; text-transform: uppercase; color: #888; }
.input-group input, .select-qty {
  width: 100%; padding: 14px; border: 2px solid #eee; border-radius: 10px;
  font-size: 16px; box-sizing: border-box; transition: 0.2s;
}
.input-group input:focus, .select-qty:focus { border-color: var(--primary); outline: none; }
.antispam { display: none; }
.secure-text { text-align: center; font-size: 12px; color: #999; margin-top: 15px; }

/* FOOTER */
.footer { text-align: center; padding: 20px; color: #999; font-size: 12px; border-top: 1px solid #eee; }

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
  100% { transform: scale(1); opacity: 1; }
}