@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Space+Grotesk:wght@400;500;600;700&display=swap');

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

body, html {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    /* Important: Allow vertical scrolling */
    overflow-y: auto;
    background: #000;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

#scroll-container {
    /* This container will hold the scrollable sections */
    position: relative;
    width: 100%;
    height: 100vh; /* Each viewport height */
    overflow-y: scroll; /* Enable vertical scrolling */
    scroll-snap-type: none;
    -webkit-overflow-scrolling: touch; /* For iOS smooth scrolling */
}

/* Hide scrollbar but keep functionality */
#scroll-container::-webkit-scrollbar {
    display: none;
}

#sections {
    position: relative;
    height: auto;
    min-height: 100vh;
    display: block;
    scroll-snap-align: none;
}

.section {
    width: 100%;
    min-height: 100vh;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: bold;
    text-align: center;
    padding: 2rem;
    scroll-snap-align: none;
    letter-spacing: 2px;
}

/* Debug info styling */
#debug-info {
    font-size: 0.9rem;
    line-height: 1.4;
}

#debug-info div {
    margin: 4px 0;
}

#mobile-rotate-overlay,
#mobile-controls {
    display: none;
}

#controls-toggle-button {
    position: fixed;
    left: 14px;
    bottom: 14px;
    z-index: 1900;
    border: 1px solid rgba(255, 255, 255, 0.36);
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.78);
    color: #f4f8ff;
    font-family: monospace;
    font-size: 12px;
    letter-spacing: 0.02em;
    padding: 8px 12px;
    cursor: pointer;
    touch-action: manipulation;
    user-select: none;
}

#controls-toggle-button:active {
    transform: scale(0.98);
}

#mobile-rotate-overlay {
    position: fixed;
    inset: 0;
    z-index: 2200;
    align-items: center;
    justify-content: center;
    background: rgba(5, 8, 14, 0.88);
    backdrop-filter: blur(4px);
    padding: 24px;
}

.mobile-rotate-card {
    width: min(88vw, 360px);
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.26);
    background: rgba(14, 18, 30, 0.92);
    box-shadow: 0 14px 48px rgba(0, 0, 0, 0.42);
    color: #eef3ff;
    font-family: monospace;
    padding: 16px 14px;
    text-align: center;
}

.mobile-rotate-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

.mobile-rotate-body {
    font-size: 12px;
    line-height: 1.45;
    opacity: 0.9;
    margin-bottom: 12px;
}

#mobile-orientation-lock {
    border: 1px solid rgba(255, 255, 255, 0.36);
    background: rgba(255, 255, 255, 0.12);
    color: #f4f8ff;
    border-radius: 999px;
    padding: 8px 14px;
    font-family: monospace;
    font-size: 12px;
}

#mobile-controls {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: 56px;
    z-index: 1800;
    display: none;
    flex-direction: column;
    gap: 8px;
    pointer-events: auto;
}

.mobile-controls-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.mobile-controls-row button {
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    background: rgba(8, 12, 20, 0.8);
    color: #edf3ff;
    font-family: monospace;
    font-size: 12px;
    letter-spacing: 0.02em;
    padding: 10px 8px;
    touch-action: manipulation;
    user-select: none;
}

.mobile-controls-row button:active {
    transform: scale(0.98);
    background: rgba(22, 30, 46, 0.88);
}

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

body.mobile-device #mobile-controls {
    display: flex;
}

body.mobile-device.mobile-portrait #mobile-rotate-overlay {
    display: flex;
}

body.mobile-device.mobile-portrait #mobile-controls {
    opacity: 0.34;
    pointer-events: none;
}

#intro-overlay {
    position: fixed;
    inset: 0;
    z-index: 900;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.72);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s ease;
}

#intro-overlay.visible {
    opacity: 1;
    pointer-events: all;
}

.intro-overlay-subtitle {
    font-family: monospace;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.46);
    font-size: 0.78rem;
    margin-bottom: 24px;
}

.intro-overlay-secondary {
    margin-top: 16px;
    font-family: monospace;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.28);
    font-size: 0.68rem;
}

#replay-intro {
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.intro-btn {
    position: relative;
    padding: 18px 52px;
    font-family: monospace;
    font-size: 1.02rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.intro-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.07) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.intro-btn:hover::before {
    transform: translateX(100%);
}

.intro-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.55);
}

.intro-btn.pulse {
    animation: introBtnPulse 2.4s ease-in-out infinite;
}

@keyframes introBtnPulse {
    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.15);
    }
    50% {
        box-shadow: 0 0 0 14px rgba(255, 255, 255, 0);
    }
}

.letterbox-bar {
    position: fixed;
    left: 0;
    right: 0;
    height: 80px;
    background: #000;
    z-index: 800;
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

#letterbox-top {
    top: 0;
    transform: translateY(-100%);
}

#letterbox-bottom {
    bottom: 0;
    transform: translateY(100%);
}

.letterbox-bar.open {
    transform: translateY(0);
}

#cinematic-text {
    position: fixed;
    bottom: 110px;
    left: 0;
    right: 0;
    display: block;
    text-align: center;
    z-index: 930;
    pointer-events: none;
    padding: 0 16px;
    box-sizing: border-box;
}

#cinematic-text::before,
#cinematic-text::after {
    content: '';
    position: relative;
    display: block;
    width: min(80vw, 820px);
    height: 1px;
    margin: 0 auto;
    background: linear-gradient(90deg, transparent, rgba(186, 222, 255, 0.9), transparent);
    opacity: 0;
    transform: scaleX(0.7);
}

#cinematic-text::before {
    margin-bottom: 14px;
}

#cinematic-text::after {
    margin-top: 14px;
}

#cinematic-text.active::before,
#cinematic-text.active::after {
    opacity: 0.92;
    animation: cinematicRailPulse 1.8s ease-in-out infinite;
}

@keyframes cinematicRailPulse {
    0% {
        opacity: 0.35;
        transform: scaleX(0.74);
    }
    50% {
        opacity: 0.95;
        transform: scaleX(1);
    }
    100% {
        opacity: 0.35;
        transform: scaleX(0.74);
    }
}

.cinematic-line {
    display: block;
    font-family: monospace;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #fff;
    opacity: 1;
    transform: none;
    text-shadow: 0 0 16px rgba(130, 195, 255, 0.45), 0 0 32px rgba(78, 128, 255, 0.22);
    position: relative;
    z-index: 1;
    max-width: min(92vw, 1120px);
    margin-left: auto;
    margin-right: auto;
}

.cinematic-line.title {
    font-size: clamp(1.7rem, 3.7vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    color: #eaf4ff;
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 0.08em;
    -webkit-text-stroke: 0.55px rgba(255, 255, 255, 0.35);
}

.cinematic-line.spec {
    font-size: clamp(0.82rem, 1.6vw, 1.12rem);
    font-weight: 400;
    color: rgba(210, 230, 255, 0.88);
    margin-top: 10px;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: 0.22em;
}

.split-char,
.split-word {
    display: inline-block;
    will-change: transform, opacity, filter;
}

#skip-intro {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 820;
    font-family: monospace;
    font-size: 0.74rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.44);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 18px;
    border-radius: 3px;
    cursor: pointer;
    display: none;
    transition: color 0.2s, border-color 0.2s;
}

#skip-intro:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.6);
}

#feature-hints {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    z-index: 700;
}

.hint-chip {
    font-family: monospace;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.62);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 6px 14px;
    border-radius: 20px;
    opacity: 0;
    transform: translateY(8px);
    backdrop-filter: blur(8px);
}

#cam-debug {
    position: fixed;
    top: 16px;
    right: 16px;
    width: 310px;
    background: rgba(0, 0, 0, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    backdrop-filter: blur(16px);
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: #e0e0e0;
    z-index: 9999;
    user-select: none;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
}

#cam-debug-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    border-radius: 8px 8px 0 0;
}

#cam-debug-header span {
    font-weight: bold;
    letter-spacing: 0.1em;
    color: #a8f0c8;
}

#cam-debug-toggle {
    background: none;
    border: none;
    color: #888;
    cursor: pointer;
    font-size: 14px;
}

#cam-debug-body {
    padding: 12px 14px;
}

.dbg-section {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.dbg-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.dbg-label {
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #666;
    margin-bottom: 5px;
}

.dbg-coords {
    display: grid;
    grid-template-columns: 20px 1fr;
    gap: 3px 6px;
    align-items: center;
}

.dbg-axis {
    color: #888;
    font-size: 11px;
}

.dbg-val {
    color: #7dd3fc;
    font-variant-numeric: tabular-nums;
    font-size: 12px;
}

.dbg-val.aim {
    color: #f9a8d4;
}

.dbg-nudge-row {
    display: flex;
    gap: 4px;
    margin-top: 6px;
    flex-wrap: wrap;
}

.dbg-range {
    width: 100%;
    accent-color: #7dd3fc;
}

.dbg-grid-inputs {
    display: grid;
    grid-template-columns: 30px 1fr;
    gap: 4px 8px;
    margin-top: 8px;
    align-items: center;
}

.dbg-input,
.dbg-select {
    width: 100%;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 3px;
    color: #f2f6ff;
    font-size: 11px;
    padding: 3px 6px;
    font-family: 'Courier New', monospace;
}

.dbg-btn {
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 3px;
    color: #ddd;
    font-size: 11px;
    cursor: pointer;
    transition: background 0.15s;
    font-family: 'Courier New', monospace;
}

.dbg-btn:hover {
    background: rgba(255, 255, 255, 0.16);
}

.dbg-output {
    width: 100%;
    min-height: 140px;
    margin-top: 8px;
    resize: vertical;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 4px;
    color: #a8f0c8;
    font-family: 'Courier New', monospace;
    font-size: 10px;
    line-height: 1.45;
    padding: 6px;
    box-sizing: border-box;
}

body.mobile-device #controls-tooltip {
    display: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .section h1 {
        font-size: 2rem;
    }

    .letterbox-bar {
        height: 56px;
    }

    #cinematic-text {
        bottom: 76px;
        padding: 0 10px;
    }

    #cinematic-text::before,
    #cinematic-text::after {
        width: min(92vw, 820px);
    }

    .cinematic-line.title {
        font-size: clamp(1.2rem, 7vw, 2rem);
        letter-spacing: 0.12em;
    }

    .cinematic-line.spec {
        font-size: clamp(0.68rem, 3.6vw, 0.95rem);
        letter-spacing: 0.14em;
    }

    .intro-btn {
        padding: 14px 30px;
        font-size: 0.88rem;
        letter-spacing: 0.14em;
    }

    #skip-intro {
        right: 12px;
        bottom: 16px;
        padding: 7px 12px;
    }

    #feature-hints {
        width: calc(100% - 20px);
        bottom: 18px;
        gap: 8px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .hint-chip {
        font-size: 0.62rem;
        padding: 5px 10px;
    }

    #debug-info {
        font-size: 0.8rem;
        padding: 8px;
    }

    #mobile-controls {
        left: 8px;
        right: 8px;
        bottom: 52px;
    }

    #controls-toggle-button {
        left: 8px;
        bottom: 8px;
        padding: 8px 11px;
    }
}