:root {
    --primary: #202a54;
    --accent: #f79007;
    --hover-blue: #03a9f4;
    --light-bg: #f4f7fa;
    --text-dark: #1a1a1a;
    --white: #ffffff;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.4;
    font-size: 20px;
}

h1, h2, h3 { font-family: 'Montserrat', sans-serif; font-weight: 800; line-height: 1.1; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.section { padding: 60px 0; }
.bg-light { background-color: var(--light-bg); }
.bg-dark { background-color: var(--primary); }
.text-white { color: var(--white); }
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }

/* === HEADER MECHANICS === */
.site-header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s ease;
    background-color: transparent;
}

.site-header.scrolled {
    background-color: var(--white);
    padding: 10px 0;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.header-container { display: flex; justify-content: space-between; align-items: center; }
.logo img { height: 55px; transition: opacity 0.3s ease; }

.menu { list-style: none; display: flex; gap: 20px; }
.menu a {
    text-decoration: none;
    color: var(--white);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    transition: color 0.3s;
}

.site-header.scrolled .menu a { color: var(--primary); }
.menu a:hover { color: var(--accent) !important; }

/* === HERO === */
.hero {
    background: linear-gradient(rgba(32, 42, 84, 0.7), rgba(32, 42, 84, 0.7)), 
                url('https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1920&q=80');
    background-size: cover; background-position: center;
    height: 90vh;
    display: flex; align-items: center;
    color: var(--white); text-align: center;
}

.hero-tag { color: var(--accent); text-transform: uppercase; font-weight: 700; font-size: 16px; margin-bottom: 10px; display: block; }
.hero h1 { font-size: 3.5rem; margin-bottom: 20px; }
.hero .subtitle { font-size: 1.6rem; max-width: 850px; margin: 0 auto 30px; font-weight: 500; }

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 22px 55px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 800;
    font-size: 20px;
    text-transform: uppercase;
    transition: 0.3s;
    border: none; cursor: pointer;
}
.btn-hero { background-color: var(--accent); color: var(--white); }
.btn-hero:hover { transform: scale(1.05); background-color: #e68206; }
.btn-large { background-color: var(--accent); color: var(--white); width: 100%; max-width: 450px; }

/* === GRID === */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.reverse .image-box { order: -1; }
.image-box img { width: 100%; border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.15); }

.section-title { font-size: 2.8rem; margin-bottom: 20px; }
.lead-text { font-size: 24px; font-weight: 700; color: var(--primary); margin-bottom: 10px; }

/* === CARDS & LISTS === */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-card { background: rgba(255,255,255,0.1); padding: 30px; border-radius: 15px; font-size: 20px; }
.selling-list { list-style: none; }
.selling-list li { margin-bottom: 12px; padding-left: 35px; position: relative; }
.selling-list li::before { content: '✔'; position: absolute; left: 0; color: var(--accent); font-weight: 900; }
.selling-list li span { font-weight: 700; color: var(--primary); }

/* === ACCORDION === */
.accordion { max-width: 900px; margin: 0 auto; }
.accordion-item { background: var(--white); margin-bottom: 8px; border: 1px solid #ddd; border-radius: 10px; overflow: hidden; }
.accordion-header { padding: 20px 30px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 700; font-size: 22px; color: var(--primary); }
.accordion-content { max-height: 0; overflow: hidden; transition: 0.3s; padding: 0 30px; }
.accordion-item.active .accordion-content { max-height: 500px; padding-bottom: 20px; }
.plus { font-size: 24px; color: var(--accent); font-family: monospace; font-weight: 400;}

/* === PRICE & TIMER === */
.final-texts { margin-bottom: 25px; }
.final-p1 { font-size: 32px; font-weight: 800; color: var(--primary); margin-bottom: 5px; }
.final-p2 { font-size: 26px; font-weight: 600; color: var(--accent); }
.start-date { font-size: 24px; color: var(--primary); margin-bottom: 15px; }
.start-date strong { color: var(--accent); }

.price-container { display: flex; flex-direction: column; align-items: center; margin-bottom: 30px; background: #fff; padding: 30px; border-radius: 15px; max-width: 500px; margin-left: auto; margin-right: auto; box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
.price-old { font-size: 24px; text-decoration: line-through; color: #98a2b3; margin-bottom: 5px; }
.price-main { font-size: 72px; font-weight: 800; color: var(--primary); line-height: 1; }

.timer-box { margin-bottom: 30px; }
.timer-box p { font-weight: 700; margin-bottom: 15px; text-transform: uppercase; color: var(--accent); font-size: 20px; line-height: 1.4;}
#timer { display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; }
.t-item { background: var(--primary); color: #fff; padding: 15px; border-radius: 10px; min-width: 90px; }
.t-item span { display: block; font-size: 34px; font-weight: 800; line-height: 1; }
.t-item label { font-size: 14px; text-transform: uppercase; opacity: 0.8; }

/* === MOBILE === */
.hamburger { display: none; background: none; border: none; cursor: pointer; }
.hamburger span { width: 30px; height: 3px; background: #fff; display: block; margin: 6px 0; transition: 0.3s; }
.site-header.scrolled .hamburger span { background: var(--primary); }

@media (max-width: 900px) {
    .grid, .cases-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.5rem; }
    .hamburger { display: block; }
    .main-nav { display: none; }
    .site-header { background: var(--primary); }
    .site-header.scrolled { background: var(--white); }
    .section-title { font-size: 2.2rem; }
    .price-main { font-size: 56px; }
}