/* Базовые настройки и переменные */
:root {
    --bg-color: #0d0f1a;
    --text-color: #e2e8f0;
    --text-muted: #94a3b8;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-hover: rgba(255, 255, 255, 0.08);

    --grad-1: linear-gradient(135deg, #FF6B6B, #FF8E53);
    --grad-2: linear-gradient(135deg, #4facfe, #00f2fe);
    --grad-3: linear-gradient(135deg, #43e97b, #38f9d7);
    --grad-4: linear-gradient(135deg, #c471ed, #f64f59);

    --glow-color-1: rgba(196, 113, 237, 0.4);
    --glow-color-2: rgba(79, 172, 254, 0.3);
}

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

html {
    width: 100%;
    overflow-x: clip;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    min-height: 100dvh;
    width: 100%;
    max-width: 100vw;
    display: flex;
    flex-direction: column;
    overflow-x: clip;
    position: relative;
    line-height: 1.5;
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* Декоративный фон (Градиентные пятна) */
.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    animation: float 15s ease-in-out infinite alternate;
    pointer-events: none;
    max-width: 100vw;
}

.circle-1 {
    width: 400px;
    height: 400px;
    background: var(--glow-color-1);
    top: -100px;
    left: -100px;
}

.circle-2 {
    width: 500px;
    height: 500px;
    background: var(--glow-color-2);
    bottom: -150px;
    right: -100px;
    animation-delay: -5s;
}

.circle-3 {
    width: 300px;
    height: 300px;
    background: rgba(67, 233, 123, 0.2);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -2s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(30px, 50px) scale(1.1);
    }
}

/* Контейнер и Шапка */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow-x: clip;
}

.header {
    text-align: center;
    margin-bottom: 4rem;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.2rem;
    margin-bottom: 1rem;
}

/* Премиальная светящаяся иконка IH */
.logo-icon {
    position: relative;
    width: 68px;
    height: 68px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    font-weight: 900;
    letter-spacing: -2px;
}

/* Градиентная подложка-граница */
.logo-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    background: linear-gradient(135deg, #4facfe, #00f2fe, #43e97b);
    padding: 3px;
    /* Толщина границы */
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    box-shadow: 0 0 25px rgba(0, 242, 254, 0.5);
}

/* Сам текст IH с градиентом */
.logo-icon-text {
    background: linear-gradient(135deg, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
}

.logo h1 {
    font-size: 3.8rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo h1 span {
    color: transparent;
    background: var(--grad-2);
    -webkit-background-clip: text;
    background-clip: text;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    font-weight: 300;
    max-width: 36rem;
    margin: 0 auto;
    padding: 0 0.5rem;
    overflow-wrap: anywhere;
    hyphens: auto;
}

/* Сетка карточек */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 1.5rem;
    width: 100%;
    max-width: 900px;
}

/* Стили карточек (Глассморфизм) */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    text-decoration: none;
    color: var(--text-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s ease;
    position: relative;
    overflow: hidden;
    min-width: 0;
    max-width: 100%;
}

.card:hover {
    background: var(--card-hover);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.6s ease;
}

.card:hover::before {
    left: 100%;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.gradient-1 {
    background: var(--grad-1);
}

.gradient-2 {
    background: var(--grad-2);
}

.gradient-3 {
    background: var(--grad-3);
}

.gradient-4 {
    background: var(--grad-4);
}

.card-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.card-arrow {
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    opacity: 0;
    transition: all 0.3s ease;
}

.card:hover .card-arrow {
    opacity: 1;
    right: 1.5rem;
}

/* Футер */
footer {
    margin-top: 5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Анимации появления сайта */
.tracking-in-expand {
    animation: tracking-in-expand 0.8s cubic-bezier(0.215, 0.610, 0.355, 1.000) both;
}

.swing-in-top-fwd {
    animation: swing-in-top-fwd 1s cubic-bezier(0.175, 0.885, 0.320, 1.275) both;
    animation-delay: 0.2s;
}

@keyframes tracking-in-expand {
    0% {
        letter-spacing: -0.5em;
        opacity: 0;
    }

    40% {
        opacity: 0.6;
    }

    100% {
        opacity: 1;
    }
}

@keyframes swing-in-top-fwd {
    0% {
        transform: rotateX(-100deg);
        transform-origin: top;
        opacity: 0;
    }

    100% {
        transform: rotateX(0deg);
        transform-origin: top;
        opacity: 1;
    }
}

/* Адаптивность для телефонов и PWA */
@media (max-width: 768px) {
    .container {
        padding: 2rem 1rem;
        justify-content: flex-start;
    }

    .header {
        margin-bottom: 2.5rem;
    }

    .logo {
        gap: 0.75rem;
        flex-wrap: wrap;
    }

    .logo h1 {
        font-size: 2.5rem;
    }

    .logo-icon {
        width: 56px;
        height: 56px;
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 1rem;
        line-height: 1.45;
    }

    .circle-1,
    .circle-2,
    .circle-3 {
        width: min(70vw, 280px);
        height: min(70vw, 280px);
    }

    .circle-1 {
        top: -60px;
        left: -60px;
    }

    .circle-2 {
        bottom: -80px;
        right: -60px;
    }

    .grid-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .card {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
        padding: 1.25rem;
    }

    .card:hover {
        transform: none;
    }

    .card-arrow {
        display: none;
    }

    footer {
        margin-top: 3rem;
        text-align: center;
        padding: 0 0.5rem;
    }
}

@media (pointer: fine) {
    .card:hover {
        transform: translateY(-8px) scale(1.02);
    }
}