:root {
    --primary-color: #d4a017;
    --secondary-color: #8b0000;
    --bg-dark: #050505;
    --text-white: #ffffff;
    --text-gray: #a0a0a0;
    --gold-glow: rgba(212, 160, 23, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    cursor: none; /* We use a custom cursor */
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: 'Vazirmatn', sans-serif;
    overflow-x: hidden;
    scrollbar-width: none;
}

body::-webkit-scrollbar {
    display: none;
}

/* 3D Background */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Hand Tracking Indicator */
.hand-indicator {
    position: fixed;
    top: 2rem;
    left: 2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 0.8rem 1.2rem;
    border-radius: 100px;
    border: 1px solid var(--glass-border);
    z-index: 2000;
    font-size: 0.9rem;
    color: var(--primary-color);
}

.hand-dot {
    width: 10px;
    height: 10px;
    background: #555;
    border-radius: 50%;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.hand-indicator.active .hand-dot {
    background: #00ff00;
    box-shadow: 0 0 10px #00ff00;
}

/* Sound Toggle */
.sound-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 2000;
    transition: all 0.3s ease;
}

.sound-toggle:hover {
    background: var(--glass-border);
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--gold-glow);
}

.debug-canvas {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 220px;
    height: 160px;
    background: rgba(212, 160, 23, 0.05); /* Very subtle gold tint */
    backdrop-filter: blur(5px);
    border: 1px solid rgba(212, 160, 23, 0.3);
    border-radius: 15px;
    z-index: 50;
    transform: scaleX(-1); /* Mirror it */
    opacity: 0.8;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.debug-canvas:hover {
    opacity: 1;
}

/* Custom Cursor */
.custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transition: transform 0.1s ease;
    opacity: 0; /* Hidden initially */
}

/* Hide custom cursor on devices with no mouse */
@media (hover: none) and (pointer: coarse) {
    .custom-cursor {
        display: none !important;
    }
    * {
        cursor: auto !important;
    }
}

/* Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: rgba(255, 255, 255, 0.05);
    z-index: 1000;
}

.progress-bar {
    width: 100%;
    height: 0%;
    background: var(--primary-color);
    box-shadow: 0 0 20px var(--primary-color);
}

/* Year Indicator */
.year-indicator {
    position: fixed;
    top: 50%;
    right: 2rem;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 100;
}

.year-prefix {
    font-size: 0.8rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 0.5rem;
}

#active-year {
    font-size: 4rem;
    font-weight: 900;
    color: white;
    opacity: 0.2;
    writing-mode: vertical-rl;
}

/* Timeline Wrapper */
.timeline-wrapper {
    position: relative;
    width: 100%;
}

.leader-section {
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 10%;
    position: relative;
    z-index: 2;
}

@media (max-width: 768px) {
    .leader-section {
        padding: 0 5%;
        height: auto;
        min-height: 100vh;
        margin-bottom: 5rem;
    }
}

.section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    max-width: 1400px;
    width: 100%;
}

/* Image Container */
.parallax-img-container {
    position: relative;
    border-radius: 10px;
    box-shadow: 0 50px 100px rgba(0,0,0,0.8);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.main-img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 10px;
    filter: grayscale(0.5) contrast(1.1);
    transition: filter 0.5s ease;
}

.leader-section:hover .main-img {
    filter: grayscale(0) contrast(1.1);
}

.floating-label {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary-color);
    color: black;
    padding: 1rem 2rem;
    font-weight: 900;
    font-size: 1.2rem;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(212, 160, 23, 0.4);
}

/* Text Content */
.text-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.leader-name {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    background: linear-gradient(to bottom, #fff, #888);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.leader-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.leader-bio {
    font-size: 1.3rem;
    line-height: 1.8;
    color: var(--text-gray);
    max-width: 500px;
}

/* Scroll Hint */
.scroll-hint {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.6;
    z-index: 100;
}

.mouse-icon {
    width: 25px;
    height: 40px;
    border: 2px solid white;
    border-radius: 15px;
    position: relative;
}

.mouse-icon::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: white;
    border-radius: 2px;
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% { transform: translate(-50%, 0); opacity: 1; }
    100% { transform: translate(-50%, 15px); opacity: 0; }
}

/* Responsive */
@media (max-width: 1024px) {
    .section-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .main-img {
        height: 400px;
    }

    .leader-name {
        font-size: 3.5rem;
    }

    .leader-bio {
        margin: 0 auto;
    }

    .year-indicator {
        right: 1rem;
    }

    #active-year {
        font-size: 2.5rem;
    }

    .debug-canvas {
        width: 120px;
        height: 90px;
        bottom: 1rem;
        right: 1rem;
        opacity: 0.9;
    }

    .hand-indicator {
        top: 1rem;
        left: 1rem;
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .leader-name {
        font-size: 2.5rem;
    }
    
    .leader-title {
        font-size: 1.2rem;
    }
    
    .leader-bio {
        font-size: 1.1rem;
        line-height: 1.6;
    }

    .main-img {
        height: 300px;
    }

    .intro-title {
        font-size: 2.8rem;
    }

    .start-btn {
        padding: 1rem 2.5rem;
        font-size: 1.1rem;
    }
    
    .year-indicator {
        display: none; /* Hide year on very small phones to save space */
    }
}

.victory-msg {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: clamp(3rem, 15vw, 8rem);
    font-weight: 900;
    color: var(--primary-color);
    text-shadow: 0 0 50px rgba(212, 160, 23, 0.8);
    z-index: 3000;
    pointer-events: none;
    opacity: 0;
    white-space: nowrap;
    width: 100%;
    text-align: center;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: rgba(20, 20, 20, 0.95);
    border: 1px solid var(--glass-border);
    width: 95%;
    max-width: 1100px;
    height: 85vh;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    z-index: 10;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--primary-color);
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    height: 100%;
}

.modal-image-side {
    height: 100%;
}

.modal-image-side img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%; /* Keep faces visible */
    filter: brightness(0.9);
}

.modal-text-side {
    padding: 4rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.modal-title {
    font-size: 3rem;
    font-weight: 900;
    color: white;
}

.modal-subtitle {
    font-size: 1.2rem;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.modal-full-bio {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--text-gray);
}

/* Mobile Modal */
@media (max-width: 768px) {
    .modal-content {
        height: 85vh;
        width: 92%;
    }
    .modal-body {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr; /* Only one row for text */
    }
    .modal-image-side {
        display: none; /* Hide image on mobile */
    }
    .modal-text-side {
        padding: 2.5rem 1.5rem; /* More space at top */
        overflow-y: auto;
        display: flex;
        flex-direction: column;
        gap: 1.2rem;
    }
    .modal-title {
        font-size: 2.2rem;
        text-align: center;
        border-bottom: 1px solid var(--glass-border);
        padding-bottom: 1rem;
    }
    .modal-subtitle {
        font-size: 1.1rem;
        text-align: center;
        color: var(--primary-color);
    }
    .modal-full-bio {
        font-size: 1.1rem;
        line-height: 1.8;
        text-align: justify;
    }
    .modal-close {
        top: 15px;
        right: 15px;
        background: var(--primary-color);
        color: black;
        border-radius: 50%;
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
}
/* Intro Screen Styles */
.intro-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 1.5s cubic-bezier(0.16, 1, 0.3, 1), visibility 1.5s;
}

.intro-overlay.fade-out {
    opacity: 0;
    visibility: hidden;
}

.intro-content {
    text-align: center;
    max-width: 800px;
    padding: 2rem;
}

.intro-title {
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(to bottom, #d4a017, #8b0000);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 10px 30px rgba(212, 160, 23, 0.2);
}

.intro-subtitle {
    font-size: 1.5rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
    letter-spacing: 2px;
}

.start-btn {
    padding: 1.2rem 3.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--primary-color);
    color: black;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 15px 30px rgba(212, 160, 23, 0.3);
    transition: all 0.3s ease;
    font-family: 'Vazirmatn', sans-serif;
}

.start-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(212, 160, 23, 0.5);
    letter-spacing: 1px;
}

.gesture-guide {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 4rem;
    opacity: 0.8;
}

.guide-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.guide-icon {
    font-size: 2rem;
    background: rgba(255, 255, 255, 0.05);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.guide-item:hover .guide-icon {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 10px 20px var(--gold-glow);
}

.guide-text {
    font-size: 0.9rem;
    color: var(--text-gray);
    font-weight: 400;
}

@media (max-width: 768px) {
    .gesture-guide {
        gap: 1.5rem;
        flex-wrap: wrap;
    }
    .guide-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    .guide-text {
        font-size: 0.8rem;
    }
}