:root {
    --bg: #07080a;
    --bg-soft: #101114;
    --card: rgba(17, 19, 25, 0.72);
    --card-strong: rgba(22, 24, 32, 0.92);
    --border: rgba(255, 255, 255, 0.10);
    --border-strong: rgba(255, 255, 255, 0.18);
    --text: #ffffff;
    --muted: #9ca3af;
    --muted-2: #6b7280;

    --red: #ef4444;
    --red-dark: #7f1717;
    --purple: #9146ff;
    --blue: #3b82f6;
    --green: #53fc18;
    --orange: #ff9638;
    --yellow: #facc15;

    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;

    --max: 1320px;
    --header-height: 76px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", Arial, sans-serif;
    overflow-x: hidden;
}

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

button,
input,
textarea {
    font: inherit;
}

img {
    display: block;
}

.page-bg {
    position: fixed;
    inset: 0;
    z-index: -5;
    overflow: hidden;
    background:
        radial-gradient(circle at 12% 0%, rgba(127, 23, 23, 0.34), transparent 30%),
        radial-gradient(circle at 88% 10%, rgba(145, 70, 255, 0.18), transparent 32%),
        radial-gradient(circle at 50% 100%, rgba(255, 116, 38, 0.13), transparent 34%),
        linear-gradient(135deg, #08090d 0%, #101114 44%, #090a0e 100%);
}

.grid-bg {
    position: absolute;
    inset: 0;
    opacity: 0.18;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 58px 58px;
    mask-image: radial-gradient(circle at center, black, transparent 72%);
}

.orb {
    position: absolute;
    width: 520px;
    height: 520px;
    border-radius: 999px;
    filter: blur(70px);
    opacity: 0.36;
    animation: floatOrb 8s ease-in-out infinite;
}

.orb-red {
    left: -180px;
    top: -180px;
    background: var(--red);
}

.orb-purple {
    right: -170px;
    top: 180px;
    background: var(--purple);
    animation-delay: -2s;
}

.orb-orange {
    left: 38%;
    bottom: -260px;
    background: var(--orange);
    opacity: 0.24;
    animation-delay: -4s;
}

@keyframes floatOrb {
    0%, 100% {
        transform: translate3d(0, 0, 0) scale(1);
    }

    50% {
        transform: translate3d(22px, -18px, 0) scale(1.06);
    }
}

/* Header */

.site-header {
    position: fixed;
    top: 16px;
    left: 50%;
    z-index: 20;
    transform: translateX(-50%);

    width: min(calc(100% - 32px), var(--max));
    height: var(--header-height);

    display: flex;
    align-items: center;
    gap: 18px;

    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 22px;

    background: rgba(9, 10, 14, 0.64);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    box-shadow:
        0 18px 60px rgba(0, 0, 0, 0.34),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);

    transition:
        background 200ms ease,
        border-color 200ms ease;
}

.site-header.scrolled {
    background: rgba(9, 10, 14, 0.88);
    border-color: rgba(255, 255, 255, 0.16);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 210px;
}

.brand-logo {
    width: 46px;
    height: 46px;
    border-radius: 15px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    color: #ffffff;
    font-weight: 950;
    font-size: 22px;

    background:
        linear-gradient(135deg, #ff5a5a, #d82020 48%, #741717);
    border: 1px solid rgba(255, 126, 126, 0.46);

    box-shadow:
        0 0 28px rgba(239, 68, 68, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-text strong {
    font-size: 17px;
    font-weight: 950;
    letter-spacing: 0.2px;
}

.brand-text small {
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
}

.nav {
    display: flex;
    justify-content: center;
    gap: 6px;
    flex: 1;
}

.nav a {
    padding: 9px 12px;
    border-radius: 12px;

    color: #cbd5e1;
    font-size: 13px;
    font-weight: 750;

    transition:
        background 160ms ease,
        color 160ms ease;
}

.nav a:hover {
    background: rgba(255, 255, 255, 0.07);
    color: #ffffff;
}

.header-cta {
    min-width: 116px;
    padding: 12px 18px;
    border-radius: 14px;

    color: #ffffff;
    font-size: 13px;
    font-weight: 900;
    text-align: center;

    border: 1px solid rgba(239, 68, 68, 0.55);
    background:
        linear-gradient(135deg, rgba(239, 68, 68, 0.92), rgba(127, 23, 23, 0.94));

    box-shadow: 0 12px 34px rgba(239, 68, 68, 0.20);
}

.burger {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
}

.burger span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 5px auto;
    border-radius: 99px;
    background: #ffffff;
}

/* Layout */

.section {
    width: min(calc(100% - 32px), var(--max));
    margin: 0 auto;
    padding: 96px 0;
}

.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(440px, 0.92fr) minmax(610px, 1.08fr);
    gap: 42px;
    align-items: center;
    padding-top: 150px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;

    min-height: 34px;
    padding: 0 13px;
    border-radius: 999px;

    color: #fca5a5;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.18px;

    border: 1px solid rgba(239, 68, 68, 0.30);
    background: rgba(239, 68, 68, 0.08);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55);
    animation: pulse 1.8s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.48);
    }

    70% {
        box-shadow: 0 0 0 12px rgba(34, 197, 94, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
    }
}

.hero h1,
.section-head h2,
.donation-copy h2,
.overlay-copy h2,
.download-box h2 {
    margin: 18px 0 0;
    color: #ffffff;
    letter-spacing: -0.04em;
}

.hero h1 {
    font-size: clamp(42px, 6vw, 78px);
    line-height: 0.96;
    font-weight: 950;
}

.hero h1 span {
    display: block;
    background: linear-gradient(135deg, #ffffff, #fca5a5 38%, #fb923c 64%, #c084fc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-text {
    max-width: 650px;
    margin: 24px 0 0;
    color: #cbd5e1;
    font-size: 17px;
    line-height: 1.75;
    font-weight: 560;
}

.hero-actions,
.download-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.btn {
    min-height: 54px;
    padding: 0 20px;
    border-radius: 16px;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;

    border: 1px solid transparent;
    cursor: pointer;

    font-size: 14px;
    font-weight: 900;

    transition:
        transform 160ms ease,
        border-color 160ms ease,
        background 160ms ease,
        box-shadow 160ms ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    color: #ffffff;
    background:
        linear-gradient(135deg, #ef4444, #b91c1c 52%, #7f1717);
    border-color: rgba(255, 128, 128, 0.46);
    box-shadow:
        0 16px 42px rgba(239, 68, 68, 0.24),
        inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.btn-secondary {
    color: #e5e7eb;
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.10);
    border-color: var(--border-strong);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 38px;
    max-width: 620px;
}

.hero-stats div {
    padding: 16px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.045);
}

.hero-stats strong {
    display: block;
    color: #ffffff;
    font-size: 24px;
    font-weight: 950;
}

.hero-stats span {
    display: block;
    margin-top: 3px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

/* Preview */

.hero-preview {
    position: relative;
}

.app-window {
    position: relative;
    overflow: hidden;
    min-width: 610px;

    border-radius: 28px;
    border: 1px solid var(--border);

    background:
        linear-gradient(135deg, rgba(23, 25, 33, 0.94), rgba(10, 11, 16, 0.94));

    box-shadow:
        0 34px 90px rgba(0, 0, 0, 0.48),
        0 0 0 1px rgba(255, 255, 255, 0.04) inset;
}

.app-window::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 20% 0%, rgba(239, 68, 68, 0.16), transparent 34%),
        radial-gradient(circle at 90% 0%, rgba(255, 150, 56, 0.16), transparent 38%);
}

.window-top {
    position: relative;
    z-index: 2;

    height: 58px;
    display: flex;
    align-items: center;
    gap: 14px;

    padding: 0 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.traffic {
    display: flex;
    gap: 7px;
}

.traffic span {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #ef4444;
}

.traffic span:nth-child(2) {
    background: #f59e0b;
}

.traffic span:nth-child(3) {
    background: #22c55e;
}

.window-title {
    flex: 1;
    color: #cbd5e1;
    font-size: 12px;
    font-weight: 800;
}

.window-status {
    padding: 5px 8px;
    border-radius: 999px;

    color: #86efac;
    font-size: 10px;
    font-weight: 950;

    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.app-grid {
    position: relative;
    z-index: 2;

    display: grid;
    grid-template-columns: minmax(0, 1.42fr) 230px;
    gap: 14px;
    padding: 18px;
}



.chat-panel,
.side-panel {
    min-height: 410px;
}

.chat-panel {
    padding: 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: rgba(5, 6, 10, 0.52);
}

.chat-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.chat-head span {
    color: #ffffff;
    font-size: 13px;
    font-weight: 950;
}

.chat-head b {
    color: #9ca3af;
    font-size: 11px;
}

.chat-message {
    min-height: 48px;
    margin-top: 10px;
    padding: 10px 12px;

    display: flex;
    align-items: center;
    gap: 8px;

    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.045);
}

.chat-message strong {
    color: #f7c58e;
    white-space: nowrap;
}

.chat-message span:last-child {
    color: #e5e7eb;
    min-width: 0;
}

.platform-icon {
    width: 26px;
    height: 26px;
    min-width: 26px;
    object-fit: contain;
    border-radius: 8px;
}

.donation-event {
    margin-top: 10px;
    padding: 12px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;

    border-radius: 16px;
    border: 1px solid rgba(255, 116, 38, 0.28);

    background:
        radial-gradient(circle at 0% 0%, rgba(255, 150, 56, 0.22), transparent 38%),
        linear-gradient(135deg, rgba(255, 116, 38, 0.14), rgba(255, 255, 255, 0.04));
}

.donation-main {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.donation-icon {
    width: 34px;
    height: 34px;
    min-width: 34px;
    border-radius: 11px;
}

.donation-main small {
    display: block;
    color: #ffd8bd;
    font-size: 10px;
    font-weight: 950;
}

.donation-main strong {
    display: block;
    color: #ffffff;
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.donation-amount {
    padding: 7px 9px;
    border-radius: 10px;

    color: #ffffff;
    font-size: 13px;
    font-weight: 950;

    border: 1px solid rgba(255, 154, 87, 0.42);
    background: rgba(255, 116, 38, 0.18);
}

.event-card {
    margin-top: 10px;
    padding: 12px;

    display: flex;
    align-items: center;
    gap: 12px;

    border-radius: 14px;
    border: 1px solid rgba(168, 85, 247, 0.22);
    background:
        linear-gradient(135deg, rgba(168, 85, 247, 0.18), rgba(255, 255, 255, 0.04));
}

.event-icon {
    width: 32px;
    height: 32px;
    border-radius: 999px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    color: #f5d0fe;
    background: rgba(168, 85, 247, 0.18);
}

.event-card small {
    display: block;
    color: #d8b4fe;
    font-size: 10px;
    font-weight: 950;
}

.event-card strong {
    color: #ffffff;
}

.side-panel {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.panel-card {
    padding: 14px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.045);
}

.panel-card-hot {
    border-color: rgba(255, 116, 38, 0.28);
    background:
        radial-gradient(circle at 10% 0%, rgba(255, 116, 38, 0.18), transparent 44%),
        rgba(255, 255, 255, 0.045);
}

.card-label {
    color: var(--muted);
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
}

.panel-card strong {
    display: block;
    margin-top: 8px;
    color: #ffffff;
    font-size: 18px;
    font-weight: 950;
}

.panel-card small {
    color: var(--muted);
    font-size: 11px;
}

.platform-row {
    min-height: 38px;
    padding: 0 12px;

    display: flex;
    align-items: center;
    gap: 8px;

    border-radius: 13px;
    color: #d1d5db;
    font-size: 11px;
    font-weight: 800;

    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.07);
}

.platform-row img {
    width: 18px;
    height: 18px;
    object-fit: contain;
    border-radius: 6px;
}

.platform-row-da {
    border-color: rgba(255, 116, 38, 0.20);
    background: rgba(255, 116, 38, 0.075);
}

.floating-badge {
    position: absolute;
    z-index: 5;

    display: inline-flex;
    align-items: center;
    gap: 8px;

    padding: 10px 12px;
    border-radius: 14px;

    color: #ffffff;
    font-size: 12px;
    font-weight: 900;

    border: 1px solid var(--border);
    background: rgba(10, 11, 16, 0.74);
    backdrop-filter: blur(12px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
}

.floating-badge img {
    width: 18px;
    height: 18px;
}

.badge-one {
    left: -28px;
    top: 110px;
    animation: floatBadge 4s ease-in-out infinite;
}

.badge-two {
    right: -22px;
    bottom: 76px;
    animation: floatBadge 4s ease-in-out infinite;
    animation-delay: -2s;
}

@keyframes floatBadge {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Sections */

.section-head {
    max-width: 760px;
    margin: 0 auto 34px;
    text-align: center;
}

.section-head h2,
.donation-copy h2,
.overlay-copy h2,
.download-box h2 {
    font-size: clamp(32px, 4vw, 52px);
    line-height: 1.02;
    font-weight: 950;
}

.section-head p,
.donation-copy p,
.overlay-copy p,
.download-box p {
    color: #cbd5e1;
    font-size: 16px;
    line-height: 1.7;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.feature-card,
.platform-card,
.download-box {
    border: 1px solid var(--border);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.060), rgba(255, 255, 255, 0.025));
    box-shadow:
        0 18px 60px rgba(0, 0, 0, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.055);
}

.feature-card {
    min-height: 220px;
    padding: 24px;
    border-radius: 24px;

    transition:
        transform 180ms ease,
        border-color 180ms ease,
        background 180ms ease;
}

.feature-card:hover,
.platform-card:hover {
    transform: translateY(-5px);
    border-color: rgba(239, 68, 68, 0.34);
    background:
        linear-gradient(135deg, rgba(239, 68, 68, 0.10), rgba(255, 255, 255, 0.035));
}

.feature-card-da {
    border-color: rgba(255, 116, 38, 0.24);
}

.feature-icon {
    width: 48px;
    height: 48px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 16px;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.24);

    font-size: 22px;
}

.feature-icon img {
    width: 25px;
    height: 25px;
    object-fit: contain;
}

.roles-icons {
    justify-content: flex-start;
    width: auto;
    min-width: 92px;
    padding: 0 10px;
    gap: 5px;
}

.roles-icons img {
    width: 22px;
    height: 22px;
}

.feature-card h3,
.platform-card h3 {
    margin: 18px 0 0;
    font-size: 20px;
    font-weight: 950;
}

.feature-card p,
.platform-card p {
    color: #cbd5e1;
    line-height: 1.65;
    font-size: 14px;
}

/* Donation section */

.donation-section {
    display: grid;
    grid-template-columns: 0.92fr 1.08fr;
    gap: 44px;
    align-items: center;
}

.check-list {
    list-style: none;
    padding: 0;
    margin: 26px 0 0;
    display: grid;
    gap: 12px;
}

.check-list li {
    position: relative;
    padding-left: 32px;
    color: #e5e7eb;
    font-weight: 750;
}

.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: -1px;

    width: 22px;
    height: 22px;
    border-radius: 999px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    color: #fed7aa;
    font-size: 12px;
    background: rgba(255, 116, 38, 0.13);
    border: 1px solid rgba(255, 116, 38, 0.26);
}

.donation-preview {
    min-height: 440px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 116, 38, 0.18);

    background:
        radial-gradient(circle at 20% 0%, rgba(255, 116, 38, 0.18), transparent 38%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.025));
}

.donation-phone {
    width: min(100%, 430px);
    padding: 18px;
    border-radius: 30px;

    border: 1px solid rgba(255, 255, 255, 0.10);
    background:
        linear-gradient(135deg, rgba(20, 22, 30, 0.96), rgba(9, 10, 15, 0.96));

    box-shadow:
        0 30px 70px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.donation-phone-head {
    display: flex;
    align-items: center;
    gap: 10px;

    padding: 6px 6px 16px;
    color: #ffffff;
    font-weight: 950;
}

.donation-phone-head img {
    width: 30px;
    height: 30px;
    border-radius: 10px;
}

.big-donation-card {
    padding: 18px;
    border-radius: 22px;

    border: 1px solid rgba(255, 154, 87, 0.34);
    background:
        radial-gradient(circle at 16% 0%, rgba(255, 150, 56, 0.22), transparent 40%),
        linear-gradient(135deg, rgba(255, 116, 38, 0.16), rgba(255, 255, 255, 0.045));
}

.big-donation-top {
    display: flex;
    justify-content: space-between;
    gap: 18px;
}

.big-donation-top small {
    color: #ffd8bd;
    font-size: 10px;
    font-weight: 950;
}

.big-donation-top strong {
    display: block;
    margin-top: 4px;
    color: #ffffff;
    font-size: 20px;
    font-weight: 950;
}

.big-donation-top b {
    height: 34px;
    padding: 0 12px;

    display: inline-flex;
    align-items: center;

    border-radius: 12px;
    color: #ffffff;
    background: rgba(255, 116, 38, 0.20);
    border: 1px solid rgba(255, 154, 87, 0.38);
}

.big-donation-card p {
    margin: 16px 0 0;
    color: #f8fafc;
    line-height: 1.55;
}

.mini-donation-row {
    min-height: 54px;
    margin-top: 10px;
    padding: 0 13px;

    display: flex;
    align-items: center;
    gap: 10px;

    border-radius: 16px;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(255, 255, 255, 0.075);
}

.mini-donation-row img {
    width: 26px;
    height: 26px;
    border-radius: 8px;
}

.mini-donation-row strong {
    flex: 1;
    color: #ffffff;
}

.mini-donation-row span {
    color: #fed7aa;
    font-weight: 950;
}

/* Platforms */

.platform-cards {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.platform-card {
    min-height: 250px;
    padding: 24px;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.platform-card::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 180px;
    height: 180px;
    border-radius: 999px;
    opacity: 0.28;
    filter: blur(14px);
}

.twitch-card::after {
    background: var(--purple);
}

.kick-card::after {
    background: var(--green);
}

.vk-card::after {
    background: var(--blue);
}

.da-card::after {
    background: var(--orange);
}

.platform-mark {
    width: 52px;
    height: 52px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 17px;
    color: #ffffff;
    font-size: 15px;
    font-weight: 950;

    background: rgba(255, 255, 255, 0.075);
    border: 1px solid var(--border);
}

.platform-mark img {
    width: 30px;
    height: 30px;
    object-fit: contain;
    border-radius: 10px;
}

.platform-card span {
    display: inline-flex;
    margin-top: 12px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 850;
}

/* Overlay */

.overlay {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: center;
}

.overlay-preview {
    min-height: 390px;
    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: var(--radius-xl);
    border: 1px solid var(--border);

    background:
        radial-gradient(circle at 10% 0%, rgba(145, 70, 255, 0.20), transparent 36%),
        radial-gradient(circle at 100% 20%, rgba(255, 116, 38, 0.13), transparent 34%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
}

.obs-card {
    width: min(100%, 540px);
    padding: 18px;
    display: grid;
    gap: 10px;
}

.obs-message,
.obs-alert,
.obs-donation {
    min-height: 54px;
    padding: 0 14px;

    display: flex;
    align-items: center;
    gap: 9px;

    border-radius: 14px;
    background: rgba(240, 243, 255, 0.92);
    color: #14151a;

    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.25);
}

.obs-message strong,
.obs-alert strong,
.obs-donation strong {
    color: #d08a46;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.35);
}

.obs-platform,
.obs-donation img {
    width: 26px;
    height: 26px;
    min-width: 26px;
    object-fit: contain;
    border-radius: 8px;
}

.obs-alert {
    color: #ffffff;
    background:
        linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(3, 7, 18, 0.90));
}

.obs-alert b {
    font-size: 12px;
}

.obs-donation {
    color: #ffffff;
    border: 1px solid rgba(255, 154, 87, 0.32);
    background:
        linear-gradient(135deg, rgba(255, 116, 38, 0.28), rgba(15, 23, 42, 0.92));
}

.obs-donation span {
    margin-left: auto;
    color: #fed7aa;
    font-weight: 950;
}

/* Download */

.download {
    padding-top: 40px;
}

.download-box {
    max-width: 860px;
    margin: 0 auto;
    padding: 48px;
    border-radius: 32px;
    text-align: center;

    background:
        radial-gradient(circle at 50% 0%, rgba(239, 68, 68, 0.22), transparent 42%),
        radial-gradient(circle at 70% 10%, rgba(255, 116, 38, 0.12), transparent 38%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.070), rgba(255, 255, 255, 0.030));
}

.download-actions {
    justify-content: center;
}

.download-note {
    display: block;
    margin-top: 22px;
    color: var(--muted);
    font-size: 12px;
}

/* Footer */

.footer {
    width: min(calc(100% - 32px), var(--max));
    margin: 0 auto;
    padding: 24px 0 38px;

    display: flex;
    justify-content: space-between;
    gap: 20px;

    color: var(--muted);
    border-top: 1px solid var(--border);
}

.footer div {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer strong {
    color: #ffffff;
}

.footer a {
    color: #ffffff;
    font-weight: 850;
}

/* Reveal */

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition:
        opacity 520ms ease,
        transform 520ms ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */

@media (max-width: 1050px) {
    .hero,
    .donation-section,
    .overlay {
        grid-template-columns: 1fr;
    }

    .hero-preview {
        max-width: 720px;
        width: 100%;
        margin: 0 auto;
    }

    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .platform-cards {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    :root {
        --header-height: auto;
    }

    .site-header {
        align-items: flex-start;
        flex-wrap: wrap;
        padding: 10px;
    }

    .brand {
        min-width: 0;
        flex: 1;
    }

    .header-cta {
        display: none;
    }

    .burger {
        display: block;
    }

    .nav {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        padding: 8px 0 2px;
    }

    .site-header.menu-open .nav {
        display: flex;
    }

    .nav a {
        padding: 12px;
        background: rgba(255, 255, 255, 0.045);
    }

    .hero {
        padding-top: 140px;
        gap: 34px;
    }

    .hero-stats,
    .feature-grid,
    .platform-cards {
        grid-template-columns: 1fr;
    }

    .hero-actions,
    .download-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .app-grid {
        grid-template-columns: 1fr;
    }

    .chat-panel,
    .side-panel {
        min-height: auto;
    }

    .floating-badge {
        display: none;
    }

    .section {
        padding: 72px 0;
    }

    .download-box {
        padding: 24px;
    }

    .footer {
        flex-direction: column;
    }
}