/* ============================================
   Shecker landing — dark theme, minimal HTML+CSS
   ============================================ */

:root {
    --bg: #0a0a0c;
    --bg-2: #111114;
    --bg-3: #15151a;
    --line: rgba(255, 255, 255, 0.08);
    --text: #eef0f3;
    --muted: #9aa0a8;
    --accent: #ff7a4a;       /* банкейки — оранжевый, аппетитный */
    --accent-2: #ffb347;
    --accent-soft: rgba(255, 122, 74, 0.12);
    --radius: 16px;
    --radius-sm: 10px;
    --maxw: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.container {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== NAV ===== */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10, 10, 12, 0.78);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--line);
}

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo__dot {
    color: var(--accent);
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 14.5px;
    color: var(--muted);
}

.nav__links a:hover { color: var(--text); }

.nav__cta {
    color: var(--text) !important;
    background: var(--bg-3);
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--line);
    transition: background 0.15s, border-color 0.15s;
}

.nav__cta:hover {
    background: var(--accent);
    border-color: var(--accent);
}

@media (max-width: 720px) {
    .nav__links a:not(.nav__cta) { display: none; }
}

/* ===== HERO ===== */
.hero {
    position: relative;
    padding: 80px 0 100px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: -200px;
    background:
        radial-gradient(60% 50% at 80% 20%, rgba(255, 122, 74, 0.20), transparent 60%),
        radial-gradient(40% 40% at 10% 60%, rgba(255, 179, 71, 0.12), transparent 60%);
    pointer-events: none;
    z-index: 0;
}

.hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__title {
    font-size: clamp(40px, 6vw, 72px);
    line-height: 1.05;
    letter-spacing: -0.03em;
    font-weight: 800;
    margin-bottom: 24px;
}

.grad {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__sub {
    font-size: 18px;
    color: var(--muted);
    max-width: 540px;
    margin-bottom: 32px;
}

.hero__ctas {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 26px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.12s, box-shadow 0.12s, background 0.12s, border-color 0.12s;
}

.btn--primary {
    background: var(--accent);
    color: #1a0d04;
    box-shadow: 0 8px 24px rgba(255, 122, 74, 0.25);
}

.btn--primary:hover {
    background: var(--accent-2);
    transform: translateY(-1px);
}

.btn--ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--line);
}

.btn--ghost:hover {
    background: var(--bg-3);
    border-color: rgba(255, 255, 255, 0.16);
}

.btn--lg {
    padding: 18px 36px;
    font-size: 16px;
}

.hero__stats {
    display: flex;
    gap: 36px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat b {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
}

.stat span {
    font-size: 13px;
    color: var(--muted);
    margin-top: 2px;
}

/* ===== HERO VISUAL — фридж ===== */
.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.fridge {
    position: relative;
    width: 280px;
    height: 460px;
    background: linear-gradient(180deg, #18181d 0%, #0e0e12 100%);
    border-radius: 22px;
    border: 1px solid var(--line);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.03) inset,
        0 0 60px rgba(255, 122, 74, 0.08);
}

.fridge__top {
    background: var(--bg-3);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--line);
}

.fridge__screen {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.fridge__qr {
    width: 80px;
    height: 80px;
    background:
        linear-gradient(45deg, var(--text) 25%, transparent 25%, transparent 75%, var(--text) 75%) 0 0 / 12px 12px,
        linear-gradient(45deg, var(--text) 25%, transparent 25%, transparent 75%, var(--text) 75%) 6px 6px / 12px 12px,
        #f5f5f5;
    border-radius: 4px;
    position: relative;
}

.fridge__qr::before,
.fridge__qr::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    border: 4px solid #0a0a0c;
    background: #f5f5f5;
    border-radius: 2px;
}

.fridge__qr::before {
    top: 4px;
    left: 4px;
}

.fridge__qr::after {
    top: 4px;
    right: 4px;
}

.fridge__hint {
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.fridge__body {
    flex: 1;
    background: linear-gradient(180deg, #0a0a0e 0%, #050507 100%);
    border-radius: 12px;
    padding: 14px 10px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    border: 1px solid var(--line);
}

.shelf {
    flex: 1;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 28px;
}

.shelf:last-child {
    border-bottom: none;
}

.fridge__led {
    position: absolute;
    top: 10px;
    right: 12px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@media (max-width: 900px) {
    .hero__inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero__visual {
        order: -1;
    }
    .fridge {
        width: 220px;
        height: 360px;
    }
}

/* ===== SECTIONS ===== */
.section {
    padding: 90px 0;
    border-top: 1px solid var(--line);
}

.section--alt {
    background: var(--bg-2);
}

.section__title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: 12px;
    text-align: center;
}

.section__sub {
    text-align: center;
    color: var(--muted);
    font-size: 17px;
    max-width: 540px;
    margin: 0 auto 60px;
}

/* ===== STEPS ===== */
.steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    counter-reset: step;
}

.step {
    position: relative;
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 32px 24px 28px;
    transition: transform 0.18s, border-color 0.18s;
}

.step:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 122, 74, 0.4);
}

.step__num {
    position: absolute;
    top: -16px;
    left: 24px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent);
    color: #1a0d04;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.step__icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.step h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.step p {
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.5;
}

@media (max-width: 900px) {
    .steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 520px) {
    .steps {
        grid-template-columns: 1fr;
    }
}

/* ===== CARDS ===== */
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: transform 0.18s, border-color 0.18s, background 0.18s;
}

.card:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 122, 74, 0.4);
    background: var(--bg-3);
}

.card__icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.card p {
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.55;
}

@media (max-width: 900px) {
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 520px) {
    .cards {
        grid-template-columns: 1fr;
    }
}

/* ===== CTA ===== */
.cta {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
    border-top: 1px solid var(--line);
}

.cta__inner h2 {
    font-size: clamp(28px, 4vw, 40px);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta__inner p {
    color: var(--muted);
    font-size: 17px;
    margin-bottom: 32px;
}

.cta__inner a:not(.btn) {
    color: var(--accent);
}

.cta__inner a:not(.btn):hover {
    text-decoration: underline;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-2);
    border-top: 1px solid var(--line);
    padding: 64px 0 32px;
}

.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer__brand p {
    color: var(--muted);
    font-size: 14.5px;
    margin-top: 12px;
    max-width: 320px;
}

.footer__col h4 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    margin-bottom: 16px;
    font-weight: 600;
}

.footer__col a {
    display: block;
    color: var(--text);
    font-size: 14.5px;
    margin-bottom: 10px;
    opacity: 0.85;
    transition: opacity 0.15s;
}

.footer__col a:hover {
    opacity: 1;
    color: var(--accent);
}

.footer__copy {
    padding-top: 24px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}

@media (max-width: 720px) {
    .footer__inner {
        grid-template-columns: 1fr 1fr;
    }
    .footer__brand {
        grid-column: 1 / -1;
    }
}