:root {
    --bg-color: #050505;
    --text-color: #ffffff;
    --accent-color: #d4af37; /* Classical Gold */
}

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

html {
    scroll-behavior: smooth;
    scroll-snap-type: none;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    /* Scroll hızını yavaşlat */
    overscroll-behavior-y: contain;
}

body.loading {
    overflow: hidden;
    height: 100vh;
}

#sequence-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    z-index: 1;
    background: var(--bg-color);
}

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

.code-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    font-family: 'Courier New', monospace;
    font-size: 0.7rem;
    color: rgba(212, 175, 55, 0.08);
    line-height: 2;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.code-line {
    white-space: nowrap;
    transform: translateX(-100px);
    animation: codeScroll 20s linear infinite;
}

.code-line:nth-child(2) { animation-delay: -4s; }
.code-line:nth-child(3) { animation-delay: -8s; }
.code-line:nth-child(4) { animation-delay: -12s; }
.code-line:nth-child(5) { animation-delay: -16s; }
.code-line:nth-child(6) { animation-delay: -20s; }

@keyframes codeScroll {
    0% { transform: translateX(-100px) translateY(0); opacity: 0; }
    10% { opacity: 0.1; }
    90% { opacity: 0.1; }
    100% { transform: translateX(calc(100vw + 100px)) translateY(-50vh); opacity: 0; }
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    z-index: 10;
    pointer-events: none;
}

.site-logo {
    height: 60px;
    width: auto;
    opacity: 0.9;
    transition: opacity 0.3s ease;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

.site-logo:hover {
    opacity: 1;
}

/* Mute Button Container */
.mute-button-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.mute-button {
    width: 40px;
    height: 40px;
    background: rgba(5, 5, 5, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    padding: 0;
    margin: 0;
    position: relative;
}

.mute-button:hover {
    background: rgba(5, 5, 5, 0.7);
    border-color: rgba(212, 175, 55, 0.6);
    transform: scale(1.1);
}

.mute-icon {
    width: 20px;
    height: 20px;
    color: rgba(212, 175, 55, 0.9);
    transition: opacity 0.3s ease;
}

.mute-icon.muted {
    position: absolute;
    opacity: 0;
}

.mute-button.muted .mute-icon:first-child {
    opacity: 0;
}

.mute-button.muted .mute-icon.muted {
    opacity: 1;
}

/* Volume Slider */
.volume-slider-container {
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    background: rgba(5, 5, 5, 0.7);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    min-width: 120px;
}

.mute-button-container:hover .volume-slider-container {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.volume-slider {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 8px var(--accent-color);
}

.volume-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.volume-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 8px var(--accent-color);
}

main {
    position: relative;
    z-index: 2;
    min-height: 400vh; /* 4x viewport height - 80 frame için yeterli scroll alanı */
}

.scroll-section {
    height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 4rem;
    pointer-events: none; /* Let clicks pass through to canvas if needed */
}

.content-wrapper {
    max-width: 500px;
    padding: 2rem;
    opacity: 0;
    transform: translateY(30px);
    /* Liquid Glass Effect - Daha transparan */
    background: rgba(5, 5, 5, 0.15);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    /* Glass reflection effect */
    position: relative;
    overflow: hidden;
    /* Sabit height - kısa yazılarda küçülmesin */
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.content-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transition: left 0.5s;
}

.content-wrapper:hover::before {
    left: 100%;
}

.content-wrapper.left {
    text-align: left;
    align-self: center;
}

.content-wrapper.right {
    text-align: right;
    align-self: center;
}

.section-title {
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.section-subtitle {
    font-size: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    font-style: italic;
}

.conceptual-message {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.content-wrapper.left .conceptual-message {
    border-left: 1px solid var(--accent-color);
    padding-left: 2rem;
}

.content-wrapper.right .conceptual-message {
    border-right: 1px solid var(--accent-color);
    padding-right: 2rem;
}

.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.8s ease;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    max-width: 500px;
    width: 90%;
}

.loader-logo {
    height: 120px;
    width: auto;
    opacity: 0.95;
    filter: drop-shadow(0 4px 16px rgba(212, 175, 55, 0.3));
    animation: logoPulse 2s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { opacity: 0.95; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.02); }
}

.loader-progress-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.loader-progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.loader-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-color), #f4d03f);
    border-radius: 2px;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.loader-progress-text {
    color: var(--text-color);
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    opacity: 0.8;
}

.loader-status {
    color: var(--accent-color);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-align: center;
    opacity: 0.7;
    min-height: 1.5rem;
    transition: opacity 0.3s ease;
}

.loader-text {
    font-size: 0.8rem;
    letter-spacing: 0.5em;
    color: var(--accent-color);
}

/* Responsive - Mobil için */
@media (max-width: 768px) {
    .loader-content {
        gap: 2rem;
        width: 85%;
    }
    
    .loader-logo {
        height: 80px;
    }
    
    .loader-progress-text {
        font-size: 1rem;
    }
    
    .loader-status {
        font-size: 0.75rem;
    }
    
    .site-header {
        padding: 1.5rem;
    }
    
    .site-logo {
        height: 40px;
    }
    
    
    .mute-button-container {
        top: 1.5rem;
        right: 1.5rem;
    }
    
    .mute-button {
        width: 36px;
        height: 36px;
    }
    
    .mute-icon {
        width: 18px;
        height: 18px;
    }
    
    .volume-slider-container {
        min-width: 100px;
        padding: 0.5rem 0.75rem;
    }
    
    .scroll-section {
        flex-direction: row !important; /* Yan yana - !important ile override */
        justify-content: flex-start !important; /* Sola hizala */
        align-items: flex-end !important; /* Alta hizala - !important ile override */
        padding: 0 1rem 2rem 1rem !important; /* Alt padding eklendi */
        gap: 0.75rem; /* Gap küçültüldü */
        height: 100vh !important; /* Height koru */
    }
    
    .content-wrapper {
        max-width: none !important; /* Maksimum genişlik kaldırıldı */
        flex: 1 1 0; /* Eşit genişlik - flex-basis 0 ile eşit dağılım */
        padding: 1rem 1.25rem; /* Padding küçültüldü */
        margin: 0 !important; /* Margin kaldırıldı */
        min-height: 120px !important; /* Sabit minimum height - tüm card'lar için */
        height: 120px !important; /* Sabit height - eşit yükseklik */
        align-self: flex-end !important; /* Alta hizala - !important ile override */
        transform: translateY(0) !important; /* GSAP transform'unu override et */
        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important; /* İçeriği dikey ortalama */
        position: relative;
        z-index: 20 !important; /* Terminal'in üstünde olması için */
        margin-bottom: 3rem !important; /* Terminal için alan bırak */
    }
    
    .content-wrapper.left,
    .content-wrapper.right {
        text-align: left; /* Sola hizala */
        align-self: flex-end !important; /* Alta hizala */
    }
    
    .content-wrapper.left .conceptual-message {
        border-left: 1px solid var(--accent-color);
        border-top: none;
        padding-left: 1rem; /* Küçültüldü */
        padding-top: 0;
    }
    
    .content-wrapper.right .conceptual-message {
        border-right: 1px solid var(--accent-color);
        border-bottom: none;
        padding-right: 1rem; /* Küçültüldü */
        padding-bottom: 0;
    }
    
    .conceptual-message {
        font-size: 0.7rem; /* Küçültüldü */
        line-height: 1.5;
        letter-spacing: 0.1em;
    }
    
    .section-title {
        font-size: 0.6rem; /* Küçültüldü */
        letter-spacing: 0.2em;
        margin-bottom: 0.4rem; /* Küçültüldü */
        line-height: 1.3; /* Satır yüksekliği küçültüldü */
    }
    
    .section-subtitle {
        font-size: 0.55rem; /* Küçültüldü */
        letter-spacing: 0.1em;
        line-height: 1.3; /* Satır yüksekliği küçültüldü */
        margin: 0; /* Margin kaldırıldı */
    }
    
    .conceptual-message {
        margin: 0; /* Margin kaldırıldı */
        line-height: 1.3; /* Satır yüksekliği küçültüldü */
    }
    
    /* Terminal mobil için daha da küçült */
    .terminal {
        font-size: 0.45rem;
        padding: 0.5rem 0.75rem;
        min-width: 200px;
        max-width: 90%;
        bottom: 1rem; /* Normal pozisyon */
        left: 1rem; /* Normal pozisyon */
        z-index: 15 !important; /* Terminal görünür kalmalı */
    }
    
    .terminal-line {
        margin-bottom: 0.25rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* Terminal */
.terminal {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 15; /* Terminal görünür kalmalı */
    font-family: 'Courier New', monospace;
    font-size: 0.5rem; /* Küçültüldü - tek satır için */
    color: rgba(212, 175, 55, 0.9);
    letter-spacing: 0.08em;
    pointer-events: none;
    background: rgba(5, 5, 5, 0.5);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 4px;
    padding: 0.75rem 1rem; /* Padding küçültüldü */
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    min-width: 250px; /* Küçültüldü */
    max-width: 400px; /* Maksimum genişlik eklendi */
    line-height: 1.4; /* Satır yüksekliği küçültüldü */
}

.terminal-line {
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis; /* Uzun metinler için ... */
    opacity: 1;
    animation: fadeIn 0.3s ease;
    max-width: 100%; /* Container genişliğini aşmasın */
}

.terminal-line.typing {
    border-right: 2px solid var(--accent-color);
    animation: blinkCursor 1s infinite, fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes blinkCursor {
    0%, 50% { border-color: var(--accent-color); }
    51%, 100% { border-color: transparent; }
}

/* Anatomy Labels */
.anatomy-labels {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 5;
    pointer-events: none;
}

.anatomy-label {
    position: absolute;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: auto;
    background: rgba(5, 5, 5, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 4px;
    padding: 0.5rem 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.anatomy-label.visible {
    opacity: 1;
    transform: scale(1);
}

.anatomy-label[data-label="01"] {
    top: 45%;
    left: 48%;
}

.anatomy-label[data-label="02"] {
    top: 35%;
    left: 50%;
}

.anatomy-label[data-label="03"] {
    top: 55%;
    left: 52%;
}

.anatomy-label[data-label="04"] {
    top: 30%;
    left: 50%;
}

.label-number {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--accent-color);
    margin-right: 0.5rem;
    font-family: 'Courier New', monospace;
}

.label-text {
    font-size: 0.65rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.7);
    font-family: 'Courier New', monospace;
}

.anatomy-label::before {
    content: '';
    position: absolute;
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-color), transparent);
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.5;
}

/* Hidden Path */
.hidden-path {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 20;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.hidden-path.visible {
    opacity: 1;
    pointer-events: auto;
}

.hidden-path-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: 0 0 20px var(--accent-color), 0 0 40px var(--accent-color);
    animation: pulse 2s ease-in-out infinite;
    cursor: pointer;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.7; }
}

.hidden-path-text {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.6rem;
    font-family: 'Courier New', monospace;
    letter-spacing: 0.2em;
    color: var(--accent-color);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hidden-path:hover .hidden-path-text {
    opacity: 1;
}

/* Contact Overlay - Scroll sonunda görünür */
.contact-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(5, 5, 5, 0.85); /* Yarı transparan siyah background */
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.6s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

.contact-content {
    text-align: center;
    padding: 3rem;
    background: rgba(5, 5, 5, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.contact-label {
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    font-family: 'Courier New', monospace;
}

.contact-phone-display {
    font-size: 2rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--accent-color);
    display: block;
    margin-bottom: 2rem;
    font-family: 'Courier New', monospace;
}

.contact-whatsapp-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: #25D366; /* WhatsApp yeşili */
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    font-family: 'Courier New', monospace;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
    border: 1px solid rgba(37, 211, 102, 0.5);
}

.contact-whatsapp-button:hover {
    background: #20BA5A;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
}

.contact-whatsapp-button:active {
    transform: translateY(0);
}

.whatsapp-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

/* Mobil için contact overlay */
@media (max-width: 768px) {
    .contact-content {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .contact-label {
        font-size: 0.75rem;
        margin-bottom: 1rem;
    }
    
    .contact-phone-display {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .contact-whatsapp-button {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
        gap: 0.5rem;
    }
    
    .whatsapp-icon {
        width: 20px;
        height: 20px;
    }
}