/* Root CSS Variables */
:root {
    --base-font-size: clamp(16px, 1vw + 0.5rem, 20px);
    --h1-size: clamp(2rem, 4vw + 1rem, 4rem);
    --timecode-size: clamp(0.8rem, 1.2vw + 0.3rem, 1.2rem);
    --header-height: clamp(50px, 8vh, 80px);
    --spacing-unit: clamp(0.8rem, 1.5vw, 2rem);
    --container-padding: clamp(1rem, 3vw, 3rem);
    --logo-size: clamp(24px, 3.5vw, 32px);
    --button-padding: clamp(0.6rem, 1vw + 0.3rem, 1.5rem);

    /* Colors */
    --primary: #57F2EA;
    --primary-dark: #00B5AD;
    --primary-light: #8FF7F2;
    --secondary: #FFD400;
    --secondary-dark: #CC9E00;
    --secondary-light: #FFE766;
    --white: #FFFFFF;
    --gray-light: #F5F5F5;
    --gray-medium: #666666;
    --gray-dark: #1A1A1A;
    --black: #000000;
    --error: #E74C3C;
}

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

body {
    font-family: 'Courier New', monospace;
    line-height: 1.6;
    color: var(--white);
    background: var(--black);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    width: 100%;
    padding: clamp(0.5rem, 1.5vw, 1rem) var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s var(--dramatic-in);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

nav.scrolled {
    background: rgba(0, 0, 0, 0.98);
    padding: 0.8rem var(--spacing-unit);
    border-bottom: 1px solid rgba(87, 242, 234, 0.1);
}

/* Logo */
.logo {
    position: relative;
    transition: transform 0.3s var(--dramatic-in);
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    height: var(--logo-size);
    width: auto;
    transition: all 0.3s ease;
}

/* Director Tools */
.director-tools {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: 'Courier New', monospace;
    font-size: var(--timecode-size);
    background: rgba(0, 0, 0, 0.4);
    padding: clamp(0.3rem, 1vw, 1rem) clamp(0.5rem, 1.5vw, 1.5rem);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s var(--dramatic-in);
}

.director-tools:hover {
    background: rgba(0, 0, 0, 0.5);
    border-color: rgba(87, 242, 234, 0.2);
}

.timecode, .scene-info {
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.timecode:hover, .scene-info:hover {
    background: rgba(0, 0, 0, 0.4);
    border-color: rgba(87, 242, 234, 0.15);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-unit);
    padding-top: var(--header-height);
}

/* Slate Board */
.slate-board {
    position: relative;
    z-index: 2;
    background: var(--gray-dark);
    padding: var(--container-padding);
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    width: min(95%, 1200px);
    margin: 0 auto;
    margin-top: max(var(--header-height), 60px);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
    transition: transform 0.6s var(--dramatic-in);
    transform-style: preserve-3d;
    will-change: transform;
}

.slate-board.clap-active {
    transform: scale(0.985) translateY(2px);
    transition: transform 0.2s var(--bounce-out);
}

/* Slate Header */
.slate-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    font-family: 'Courier New', monospace;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 0.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 2;
}

/* Clapper */
.slate-clapper {
    position: absolute;
    top: -20px;
    left: 0;
    width: 100%;
    height: 20px;
    background: var(--gray-dark);
    transform-origin: top;
    transition: all 0.3s var(--bounce-out);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-bottom: none;
    cursor: pointer;
}

.clap-shake {
    animation: clapShake 0.4s cubic-bezier(0.36, 0, 0.66, -0.56) both;
}

@keyframes clapShake {
    0%, 100% { transform: rotateX(-75deg) translateX(0); }
    25% { transform: rotateX(-73deg) translateX(-3px); }
    75% { transform: rotateX(-77deg) translateX(3px); }
}

/* Slate Content */
.slate-content {
    position: relative;
    padding: clamp(1rem, 2vw, 2rem);
    background: rgba(0, 0, 0, 0.2);
    border-radius: 4px;
    z-index: 1;
}

/* Content Styles */
.hero-title {
    font-size: var(--h1-size);
    margin-bottom: 1rem;
    text-align: center;
    font-weight: bold;
    letter-spacing: 2px;
    color: var(--primary);
}

.tagline {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    font-size: clamp(1rem, 2vw, 1.5rem);
}

.tagline-dot {
    color: var(--secondary);
}

.marketing-copy {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-description {
    margin: 1.5rem 0;
    font-size: clamp(0.9rem, 1.2vw, 1.2rem);
    opacity: 0.9;
    max-width: min(100%, 65ch);
    margin-left: auto;
    margin-right: auto;
}

/* CTA Buttons */
.cta-container {
    margin-top: 2rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    padding: var(--button-padding) clamp(1rem, 2vw, 2rem);
    border: 2px solid var(--primary);
    border-radius: 4px;
    color: var(--white);
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    background: transparent;
    position: relative;
    overflow: hidden;
    font-size: clamp(0.9rem, 1.1vw, 1.1rem);
    min-width: clamp(120px, 20vw, 200px);
}

.cta-button:hover {
    background: var(--primary);
    color: var(--black);
}

.cta-button::after {
    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 ease;
}

.cta-button:hover::after {
    left: 100%;
}

/* Theatrical Curtain */
.theatrical-curtain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    pointer-events: none;
    display: flex;
    background: #000;
    overflow: hidden;
}

.curtain-left,
.curtain-right {
    position: relative;
    width: 50%;
    height: 100%;
    background: #8B0000;
    background-image: linear-gradient(180deg, #8B0000 0%, #580000 100%);
    box-shadow: inset 0 0 50px rgba(0,0,0,0.5);
    transition: all 2.2s cubic-bezier(0.22, 1, 0.36, 1);
    transform-style: preserve-3d;
    will-change: transform;
}

.curtain-opening .curtain-left {
    transform: translateX(-100%) skewX(5deg);
}

.curtain-opening .curtain-right {
    transform: translateX(100%) skewX(-5deg);
}

.curtain-left {
    transform-origin: left center;
}

.curtain-right {
    transform-origin: right center;
}

/* Curtain fold effect */
.curtain-fold {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    background-image: repeating-linear-gradient(
        180deg,
        transparent,
        transparent 20px,
        rgba(0,0,0,0.2) 20px,
        rgba(0,0,0,0.2) 40px
    );
    opacity: 0.8;
}

/* Typewriter Effect */
.typewriter {
    display: inline-block;
    overflow: visible;
    white-space: nowrap;
    position: relative;
    padding-right: 0.4em;
    min-height: 1.2em;
    min-width: 300px;
    transform-origin: center;
}

.typewriter::after {
    content: '';
    position: absolute;
    right: -2px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 1.2em;
    background-color: var(--primary);
    animation: blink 0.7s steps(2) infinite;
    opacity: 1;
}

.typewriter.erasing {
    color: var(--secondary);
    transition: color 0.3s ease;
}

.typewriter.erasing::after {
    animation: blink 0.3s steps(2) infinite;
    background-color: var(--secondary);
}

.slate-header .typewriter {
    min-width: 140px;
    display: inline-block;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.3em 0.5em;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.marketing-copy .typewriter {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.8s;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
                color 0.3s ease;
}

.marketing-copy .typewriter.erasing {
    transform: scale(0.98);
}

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0; }
}

/* Scene info transition */
.scene-info {
    transition: opacity 0.3s var(--in-cubic);
}

.scene-info.updating {
    opacity: 0.5;
}

/* Marketing Copy Animations */
.tagline-item {
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInUp 0.6s ease forwards;
}

.tagline-item:nth-child(1) { animation-delay: 0.2s; }
.tagline-item:nth-child(3) { animation-delay: 0.4s; }
.tagline-item:nth-child(5) { animation-delay: 0.6s; }

.tagline-dot {
    opacity: 0;
    animation: fadeIn 0.4s ease forwards;
}

.tagline-dot:nth-child(2) { animation-delay: 0.3s; }
.tagline-dot:nth-child(4) { animation-delay: 0.5s; }

.marketing-copy .typewriter {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.8s;
}

.hero-description {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1.2s;
}

.cta-container {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1.6s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .slate-board {
        padding: var(--spacing-unit);
        width: 98%;
    }

    nav {
        padding: 0.5rem;
    }

    .director-tools {
        padding: 0.3rem 0.6rem;
        gap: 0.5rem;
        font-size: clamp(0.7rem, 2.5vw, 0.9rem);
        flex-direction: column;
        align-items: flex-start;
        gap: 0.3rem;
    }
    
    .timecode, .scene-info {
        padding: 0.3rem 0.5rem;
    }

    .tagline {
        flex-direction: column;
        gap: 0.5rem;
        font-size: clamp(0.9rem, 3vw, 1.2rem);
    }

    .tagline-dot {
        display: none;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 0.8rem;
        width: min(100%, 300px);
        margin: 0 auto;
    }

    .cta-button {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .slate-header {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .slate-header .typewriter {
        min-width: auto;
        width: 100%;
    }

    .hero-title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
        letter-spacing: 1px;
    }

    .marketing-copy .typewriter {
        font-size: clamp(0.8rem, 3vw, 1rem);
    }
}

/* Landscape Mode Optimization */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: 120vh;
    }

    .slate-board {
        margin-top: max(var(--header-height), 40px);
        padding: calc(var(--spacing-unit) * 0.8);
    }

    .slate-content {
        padding: calc(var(--spacing-unit) * 0.8);
    }

    .hero-description {
        margin: 1rem 0;
    }
}

/* High-resolution Screens */
@media (min-width: 1440px) {
    :root {
        --base-font-size: 18px;
        --container-padding: max(2rem, 4vw);
    }

    .slate-board {
        max-width: 1400px;
    }
}

/* Print styles */
@media print {
    .theatrical-curtain {
        display: none;
    }
}

/* Enhancement for touch devices */
.touch-device .slate-board {
    transition: transform 0.3s var(--bounce-out);
    will-change: transform;
    touch-action: manipulation;
}

/* Optimize animations for reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .theatrical-curtain {
        display: none;
    }
}

/* Enhanced responsive breakpoints */
@media (max-width: 480px), (max-height: 480px) {
    .slate-board {
        padding: calc(var(--spacing-unit) * 0.7);
        width: 98%;
        margin: calc(var(--header-height) + 0.5rem) auto 1rem;
    }
}

/* Device orientation specific styles */
@media screen and (orientation: landscape) and (max-height: 500px) {
    .slate-board {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-unit);
    }
    
    .slate-header {
        grid-column: 1 / -1;
    }
}

/* High pixel density screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .slate-board {
        backdrop-filter: blur(15px);
    }
}

/* Handle notched devices */
@supports (padding: env(safe-area-inset-top)) {
    nav {
        padding-top: max(var(--spacing-unit), env(safe-area-inset-top));
        padding-left: max(var(--spacing-unit), env(safe-area-inset-left));
        padding-right: max(var(--spacing-unit), env(safe-area-inset-right));
    }
}