html {
    scroll-behavior: smooth;
}

.logo-link {
    display: inline-flex;
    align-items: center;
    line-height: 0;
    text-decoration: none;
    color: inherit;
}

:root {
    --bg-color: #f4f4f0;
    --text-color: #000000;
    --accent-red: #ff3333;
    --accent-yellow: #ffcc00;
    --accent-green: #00cc66;
    --border-dark: #000000;
    
    --shadow-size: 8px;
    --border-width: 4px;
}

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

body {
    font-family: 'Space Grotesk', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection {
    background: var(--text-color);
    color: var(--accent-yellow);
}

/* Typography */
h1, h2, h3 {
    text-transform: uppercase;
    font-weight: 900;
}

/* Header */
.header {
    position: fixed;
    top: 20px;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--accent-yellow);
    border-top: var(--border-width) solid var(--border-dark);
    border-bottom: var(--border-width) solid var(--border-dark);
    box-shadow: 0px 8px 0px var(--border-dark);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.site-logo {
    height: 56px;
    width: auto;
    padding: 8px 16px;
    border: var(--border-width) solid var(--border-dark);
    box-shadow: 4px 4px 0px var(--border-dark);
    background: white;
    object-fit: contain;
}

.footer-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 32px;
    background-color: var(--text-color);
    color: var(--bg-color);
    text-decoration: none;
    font-weight: 900;
    font-size: 18px;
    text-transform: uppercase;
    border: var(--border-width) solid var(--border-dark);
    box-shadow: var(--shadow-size) var(--shadow-size) 0px var(--accent-red);
    transition: all 0.1s ease;
    cursor: pointer;
}

.btn:hover {
    transform: translate(4px, 4px);
    box-shadow: calc(var(--shadow-size) - 4px) calc(var(--shadow-size) - 4px) 0px var(--accent-red);
}

.btn:active {
    transform: translate(8px, 8px);
    box-shadow: 0px 0px 0px var(--accent-red);
}

.btn-huge {
    width: 100%;
    font-size: 24px;
    padding: 20px;
    background-color: var(--accent-yellow);
    color: var(--text-color);
    box-shadow: var(--shadow-size) var(--shadow-size) 0px var(--border-dark);
    margin-top: 20px;
}

.btn-huge:hover {
    box-shadow: calc(var(--shadow-size) - 4px) calc(var(--shadow-size) - 4px) 0px var(--border-dark);
}

/* Hero Section */
.hero {
    padding: 160px 40px 80px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.sticker {
    display: inline-block;
    padding: 8px 16px;
    background-color: var(--accent-red);
    color: white;
    font-weight: 900;
    font-size: 20px;
    border: var(--border-width) solid var(--border-dark);
    transform: rotate(-3deg);
    margin-bottom: 30px;
    box-shadow: 4px 4px 0px var(--border-dark);
}

/* Размеры заголовка hero — классы Tailwind на <h1> (text-3xl/md:text-5xl/lg:text-6xl); здесь только совместимость и переносы */
.hero h1 {
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 40px;
    max-width: 100%;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.hero h1 span {
    background-color: var(--accent-yellow);
    padding: 0 10px;
    border: var(--border-width) solid var(--border-dark);
    display: inline-block;
    transform: rotate(2deg);
}

.hero p {
    font-size: 24px;
    font-weight: 700;
    max-width: 800px;
    border-left: var(--border-width) solid var(--accent-red);
    padding-left: 20px;
}

/* Marquee */
.marquee-wrapper {
    background-color: var(--text-color);
    color: var(--accent-yellow);
    padding: 20px 0;
    overflow: hidden;
    border-top: var(--border-width) solid var(--border-dark);
    border-bottom: var(--border-width) solid var(--border-dark);
    white-space: nowrap;
}

.marquee {
    display: inline-block;
    font-size: 32px;
    font-weight: 900;
    animation: scroll 20s linear infinite;
}

.marquee span { margin: 0 20px; }

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Calculator Section */
.calculator-section {
    padding: 100px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 60px;
    text-align: center;
    letter-spacing: -2px;
}

.calculator-brutal {
    background-color: white;
    border: var(--border-width) solid var(--border-dark);
    box-shadow: 12px 12px 0px var(--border-dark);
    padding: 40px;
}

.calc-top {
    margin-bottom: 40px;
}

.calc-top label {
    display: block;
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 10px;
}

.calc-top input {
    width: 100%;
    padding: 20px;
    font-size: 40px;
    font-weight: 900;
    font-family: 'Space Grotesk', sans-serif;
    border: var(--border-width) solid var(--border-dark);
    background-color: var(--bg-color);
    box-shadow: inset 4px 4px 0px rgba(0,0,0,0.1);
    outline: none;
}

.calc-top input:focus {
    background-color: var(--accent-yellow);
}

.calc-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.calc-card {
    border: var(--border-width) solid var(--border-dark);
    padding: 30px;
    display: flex;
    flex-direction: column;
}

.bad-card { background-color: #ffe6e6; }
.good-card { background-color: #e6ffe6; }

.card-header {
    font-size: 24px;
    font-weight: 900;
    border-bottom: var(--border-width) solid var(--border-dark);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.card-desc {
    font-size: 18px;
    font-weight: 700;
}

.card-value {
    font-size: 64px;
    font-weight: 900;
    margin: 20px 0;
    letter-spacing: -3px;
}

.card-value.red { color: var(--accent-red); }
.card-value.green { color: var(--accent-green); }

.card-footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 2px dashed var(--border-dark);
    display: flex;
    justify-content: space-between;
    font-weight: 900;
    font-size: 20px;
}

/* Facts Section */
.facts-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: var(--border-width) solid var(--border-dark);
    border-bottom: var(--border-width) solid var(--border-dark);
}

.fact-box {
    padding: 60px 40px;
    border-right: var(--border-width) solid var(--border-dark);
    background-color: white;
}

.fact-box:last-child { border-right: none; }

.fact-box.highlight { background-color: var(--accent-red); color: white; }

.fact-num {
    font-size: 64px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 20px;
    opacity: 0.3;
}

.fact-box h3 { font-size: 32px; margin-bottom: 16px; }
.fact-box p { font-size: 18px; font-weight: 700; }

/* Form Section */
.form-section {
    padding: 120px 40px;
    background-image: radial-gradient(var(--border-dark) 2px, transparent 2px);
    background-size: 20px 20px;
    background-color: var(--bg-color);
}

.form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background-color: white;
    border: var(--border-width) solid var(--border-dark);
    box-shadow: 16px 16px 0px var(--border-dark);
    padding: 60px;
}

.form-wrapper h2 { font-size: 40px; margin-bottom: 10px; }
.form-wrapper p { font-size: 20px; font-weight: 900; text-align: center; margin-bottom: 40px; }

.input-wrap { margin-bottom: 30px; }
.input-wrap label {
    display: block;
    font-size: 20px;
    font-weight: 900;
    margin-bottom: 10px;
    background-color: var(--text-color);
    color: white;
    padding: 4px 8px;
    width: fit-content;
}

.input-wrap input {
    width: 100%;
    padding: 16px;
    font-size: 20px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    border: var(--border-width) solid var(--border-dark);
    outline: none;
    transition: transform 0.1s;
}

.input-wrap input:focus {
    transform: translate(-4px, -4px);
    box-shadow: 4px 4px 0px var(--accent-yellow);
}

.status-msg {
    margin-top: 20px;
    padding: 16px;
    border: var(--border-width) solid var(--border-dark);
    font-weight: 900;
    font-size: 18px;
    display: none;
    background-color: var(--accent-yellow);
    text-align: center;
}

/* Social Buttons Brutalism */
.form-divider {
    text-align: center;
    margin: 30px 0;
    font-weight: 900;
    font-size: 20px;
}

.social-buttons-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    width: 100%;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px 20px;
    width: 66%;
    border: var(--border-width) solid var(--border-dark);
    box-shadow: 4px 4px 0px var(--border-dark);
    font-weight: 900;
    font-size: 16px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.1s ease;
}

.btn-social:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0px var(--border-dark);
}

.btn-social:active {
    transform: translate(4px, 4px);
    box-shadow: 0px 0px 0px var(--border-dark);
}

.btn-tg { background-color: #2AABEE; color: white; }
.btn-vk { background-color: #0077FF; color: white; }
.btn-bot { background-color: var(--accent-red); color: white; }

/* Footer */
.footer {
    padding: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--text-color);
    color: white;
}

.footer .copy { font-weight: 700; font-size: 18px; }

/* Responsive */
@media (max-width: 1000px) {
    .facts-section { grid-template-columns: 1fr; }
    .fact-box { border-right: none; border-bottom: var(--border-width) solid var(--border-dark); }
    .fact-box:last-child { border-bottom: none; }
    .calc-cards { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .header { padding: 20px; flex-direction: column; gap: 20px; }
    .header-inner {
        display: flex;
        flex-wrap: nowrap;
        justify-content: space-between;
        align-items: center;
        padding: 10px 15px;
    }
    .header-inner .site-logo {
        flex-shrink: 0;
        max-width: 40%;
        height: auto;
        margin-left: 0;
    }
    .header-inner .btn {
        flex-shrink: 1;
        white-space: normal;
        font-size: 12px;
        line-height: 1.2;
        text-align: center;
        padding: 8px 12px;
        max-width: 50%;
    }
    /* .header — position:fixed + top:20px; шапка с кнопкой в 2 строки — запас под стикер */
    .hero {
        padding: 40px 20px;
        padding-top: calc(190px + env(safe-area-inset-top, 0px));
    }
    /* .hero h1 — адаптивный размер через Tailwind на элементе h1 */
    .calculator-section { padding: 40px 20px; }
    .calculator-brutal { padding: 20px; }
    .calc-top input { font-size: 28px; }
    .card-value { font-size: 48px; }
    .form-section { padding: 40px 20px; }
    .form-wrapper { padding: 30px; }
    .form-wrapper h2 { font-size: 32px; }
    .footer { flex-direction: column; gap: 20px; text-align: center; }
}