* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body,
html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    color: #1d1d1f;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    overflow: hidden;
    touch-action: manipulation;
    transition: background-color 1.5s ease;
}

body.dark-mode {
    background-color: #000;
}

.container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.content-section {
    width: 100%;
    max-width: 340px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: opacity 0.5s ease;
}

.content-section.hidden {
    display: none;
}

/* Ensure flex display when visible */
.content-section:not(.hidden) {
    display: flex;
}

.hidden {
    display: none !important;
}

.content-wrapper {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.photo-container {
    width: 100%;
    /* aspect-ratio removed to fit logo dimensions */
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
    margin-bottom: 25px;
    animation: appear 0.8s ease-out forwards;
}

.photo-container img {
    width: 100%;
    height: auto;
    display: block;
}

.typing-area {
    width: 100%;
    min-height: 130px;
    /* Резервируем место под текст */
    display: flex;
    align-items: flex-start;
}

.typing-text {
    width: 100%;
    font-size: 1.1rem;
    font-weight: 500;
    line-height: 1.5;
    white-space: pre-line;
    text-align: left;
}

#first-text-section .typing-text {
    text-align: center;
}

.cursor {
    display: inline-block;
    width: 2px;
    height: 1.1rem;
    background-color: #0071e3;
    animation: blink 0.8s infinite;
    margin-left: 2px;
    vertical-align: middle;
}

.tap-instruction {
    margin-top: 20px;
    font-size: 0.8rem;
    color: #ccc;
    opacity: 0;
    text-align: center;
}

.tap-instruction.visible {
    opacity: 1;
    animation: pulse 2s infinite;
}

/* КАРТОЧКИ */
.cards-container {
    position: relative;
    width: 100%;
    height: 260px;
    margin-top: 10px;
}

.card {
    position: absolute;
    width: 100%;
    height: 250px;
    background: rgba(0, 0, 0, 0.4);
    /* Semi-transparent base */
    backdrop-filter: blur(10px);
    /* Glass effect */
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    /* Subtle border */
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 25px;
    /* Premium Multi-layer Shadow */
    box-shadow:
        0 2.8px 2.2px rgba(0, 0, 0, 0.034),
        0 6.7px 5.3px rgba(0, 0, 0, 0.048),
        0 12.5px 10px rgba(0, 0, 0, 0.06),
        0 22.3px 17.9px rgba(0, 0, 0, 0.072),
        0 41.8px 33.4px rgba(0, 0, 0, 0.086),
        0 100px 80px rgba(0, 0, 0, 0.12);
    font-size: 1.05rem;
    font-weight: 600;
    text-align: center;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.4s;
    user-select: none;
    overflow: hidden;
    color: #fff;
}

.card video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.85;
}

.card span {
    position: relative;
    z-index: 1;
    text-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    /* Stronger shadow for readability */
    background: rgba(0, 0, 0, 0.3);
    /* Softer dark overlay */
    padding: 12px 20px;
    border-radius: 16px;
    backdrop-filter: blur(8px);
    /* Blur behind text */
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-title {
    font-size: 0.75rem;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 15px;
    text-align: center;
}

/* Glowing Text Effect - FIRE */
.glow-text {
    font-weight: 900;
    color: #ffd700;
    /* Yellow core */
    margin-right: 4px;
    display: inline-block;

    /* Fire effect using multiple text-shadows */
    text-shadow:
        0 0 4px #fff,
        0 -5px 4px #ff3,
        2px -10px 6px #fd3,
        -2px -15px 11px #f80,
        2px -25px 18px #f20;

    animation: fireFlicker 1.5s infinite alternate;
}

@keyframes fireFlicker {
    0% {
        text-shadow: 0 0 4px #fff, 0 -5px 4px #ff3, 2px -10px 6px #fd3, -2px -15px 11px #f80, 2px -25px 18px #f20;
        transform: scale(1);
    }

    50% {
        text-shadow: 0 0 4px #fff, 0 -6px 5px #ff3, -1px -12px 7px #fd3, 1px -16px 12px #f80, -1px -27px 19px #f20;
        transform: scale(1.02);
    }

    100% {
        text-shadow: 0 0 4px #fff, 0 -5px 4px #ff3, 1px -9px 6px #fd3, -2px -14px 11px #f80, 1px -24px 18px #f20;
        transform: scale(1);
    }
}

/* Cards Footer */
.cards-footer {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;

    font-size: 1.2rem;
    font-weight: 800;
    color: #1d1d1f;
    opacity: 1;
    /* Visible by default */
    transition: opacity 1s ease, transform 1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    line-height: 1.2;
    pointer-events: none;
    z-index: 0;
    /* Behind cards (cards are z-index 1+) */
}

/* ЧАСТИЦЫ И ФИНАЛ */
#particle-canvas {
    position: fixed;
    inset: 0;
    display: none;
    z-index: 10;
}

#final-message-screen {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    text-align: center;
    z-index: 100;
    transition: color 1s;
}

#final-message-screen .typing-text {
    text-align: center;
    font-size: 1.35rem;
    /* Slightly larger */
    width: 100%;
    max-width: 600px;
    /* Wider container */
    margin: 0 auto;
}

#final-controls {
    margin-top: 40px;
    display: none;
    gap: 25px;
    animation: fadeIn 1s forwards;
}

.control-btn {
    background: none;
    border: 1px solid currentColor;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    color: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.control-btn svg {
    width: 20px;
    height: 20px;
}

/* Add transition for decoration visibility */
.decoration {
    transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
}

@keyframes appear {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

@keyframes pulse {
    50% {
        opacity: 0.5;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* SPLASH SCREEN */
#splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 1.2s;
}

#splash-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.splash-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    width: 250px;
}

.splash-logo {
    width: 140px;
    height: auto;
    /* Soft shadow for depth */
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
    animation: pulseLogo 3s infinite ease-in-out;
}

.loading-bar-container {
    width: 100%;
    height: 4px;
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 10px;
    overflow: hidden;
    opacity: 0.8;
}

.loading-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #0071e3, #5ac8fa);
    border-radius: 10px;
    transition: width 0.05s linear;
}

@keyframes pulseLogo {

    0%,
    100% {
        transform: scale(1);
        filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
    }

    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.15));
    }
}