/* 
   Maestro Kinetic - kaion.pro 
   Premium 3D & Navigation System 
*/

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@200;300;800&family=Inter:wght@300;400;500;800&display=swap');

:root {
    /* DS_TOKENS: Typography */
    --ds-font-heading: 'Outfit', 'Inter', sans-serif;
    --ds-font-body: 'Inter', sans-serif;
    --ds-text-h1: clamp(3rem, 8vw, 6rem);
    --ds-text-h2: 3.5rem;
    --ds-text-h3: 1.5rem;
    --ds-text-body: 1.1rem;
    --ds-text-small: 0.9rem;
    
    /* DS_TOKENS: Spacing */
    --ds-space-xs: 0.5rem;   /* 8px */
    --ds-space-sm: 1rem;     /* 16px */
    --ds-space-md: 2rem;     /* 32px */
    --ds-space-lg: 4rem;     /* 64px */
    --ds-space-xl: 6rem;     /* 96px */
    --ds-space-xxl: 10rem;   /* 160px */

    /* DS_TOKENS: Shared Styles */
    --ds-radius-sm: 8px;
    --ds-radius-md: 12px;
    --ds-radius-lg: 20px;
    --ds-radius-xl: 50px;
    --ds-shadow-soft: 0 10px 40px rgba(0,0,0,0.08);
    --ds-shadow-heavy: 0 20px 50px rgba(0,0,0,0.15);
    --ds-blur: blur(20px);

    /* Default: Clean Tech (Option B) */
    --bg-primary: #FAFAFA;
    --text-primary: #111111;
    --accent: #2563EB;
    --accent-secondary: #818CF8;
    --card-bg: #FFFFFF;
    --card-text: #111111;
    --border-soft: rgba(0, 0, 0, 0.08);
    --btn-bg: #2563EB;
    --btn-text: #FFFFFF;
    --screen-bg: #2563EB;
    --screen-text: #FFFFFF;
}

[data-theme="maestro"] {
    --bg-primary: #050505;
    --text-primary: #FFFFFF;
    --accent: #818CF8;
    --accent-secondary: #2563EB;
    --card-bg: #0A0A0A;
    --card-text: #818CF8;
    --border-soft: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.4s ease, color 0.4s ease, border-color 0.4s ease;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--ds-font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s cubic-bezier(0.23, 1, 0.32, 1), color 0.4s ease;
}

/* Logo & Typography Restoration (Classic Thin) */
.logo-file {
    height: 70px;
    transition: filter 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.logo-text {
    font-family: var(--ds-font-heading);
    font-size: 1.3rem;
    font-weight: 200; /* Strak en dun geletterd */
    letter-spacing: 5px;
    color: var(--text-primary);
    transform: translateY(1px);
    transition: color 0.4s ease;
}

[data-theme="maestro"] .logo-file {
    filter: invert(1);
}

/* Logo Resilience & Shimmer */
.logo-svg path, .logo-svg polygon, .logo-svg rect {
    transition: fill 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.logo-shimmer {
    animation: logo-shimmer 0.8s ease-out;
}

@keyframes logo-shimmer {
    0% { filter: drop-shadow(0 0 0px var(--accent)); transform: scale(1); }
    50% { filter: drop-shadow(0 0 15px var(--accent)); transform: scale(1.05); }
    100% { filter: drop-shadow(0 0 0px var(--accent)); transform: scale(1); }
}

.logo span {
    transition: color 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Invert the black PNG logo to white when viewing dark-mode themes */
[data-theme="maestro"] .logo img,
[data-theme="option-a"] .logo img,
[data-theme="option-c"] .logo img {
    filter: invert(1);
    transition: filter 0.4s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

/* --- Scroll Controls --- */
.scroll-controls {
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--ds-space-sm);
    z-index: 9999;
    pointer-events: auto;
}

.scroll-arrow {
    background: var(--card-bg);
    border: 1px solid var(--border-soft);
    color: var(--accent);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.scroll-arrow:hover {
    background: var(--accent);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(var(--accent), 0.3);
}

.scroll-indicator {
    height: 100px;
    width: 2px;
    background: var(--border-soft);
    position: relative;
    border-radius: 2px;
}

.current-dot {
    position: absolute;
    top: 0;
    left: -4px;
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    transition: top 0.5s ease;
}

/* Premium Theme Toggle */
.theme-toggle {
    position: fixed;
    left: 30px;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 1px solid var(--border-soft);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: var(--ds-blur);
    cursor: pointer;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: var(--ds-shadow-soft);
    color: var(--text-primary);
}

.theme-toggle:hover {
    transform: translateY(-50%) scale(1.1);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: var(--ds-shadow-heavy);
}

.theme-toggle i {
    position: absolute;
    transition: all 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Icon Switching Logic with Spring Physics */
[data-theme="maestro"] .sun-icon { opacity: 0; transform: rotate(180deg) scale(0.2) translateY(-20px); }
[data-theme="maestro"] .moon-icon { opacity: 1; transform: rotate(0) scale(1) translateY(0); }

[data-theme="option-b"] .sun-icon { opacity: 1; transform: rotate(0) scale(1) translateY(0); }
[data-theme="option-b"] .moon-icon { opacity: 0; transform: rotate(-180deg) scale(0.2) translateY(20px); }

/* Cinematic Flash (Soft Blue) with Expansion */
.theme-flash {
    position: fixed;
    top: 50%;
    left: 60px;
    width: 200vmax;
    height: 200vmax;
    transform: translate(-50%, -50%) scale(0);
    pointer-events: none;
    z-index: 10001;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.4) 0%, rgba(37, 99, 235, 0.1) 40%, transparent 70%);
    filter: blur(40px);
}

/* --- Language Hub --- */
.lang-hub {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 12px;
    opacity: 0.4;
    transition: all 0.3s ease;
}

.lang-btn.active {
    opacity: 1;
    background: var(--accent);
    color: white;
}

/* --- Kinetic 3D Section --- */
.maestro-3d-viewport {
    height: 500px; /* Increased height for space */
    width: 100%;
    perspective: 2800px; /* High perspective for less distortion */
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: visible;
}

.maestro-3d-scene {
    width: 450px;
    height: 400px;
    position: relative;
    transform-style: preserve-3d;
    will-change: transform;
}

.maestro-screen {
    position: absolute;
    width: 100%;
    height: 100%;
    padding: var(--ds-space-lg) var(--ds-space-md);
    background: var(--screen-bg, var(--card-bg));
    --glass-bg: var(--screen-bg, var(--card-bg));
    --accent: var(--screen-text, #FFFFFF);
    border: 1px solid var(--border-soft);
    border-radius: var(--ds-radius-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    backface-visibility: hidden;
    -webkit-font-smoothing: subpixel-antialiased;
    transform: translateZ(0);
    transform-style: preserve-3d;
    box-shadow: var(--ds-shadow-soft);
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1), border-color 0.3s ease, box-shadow 0.3s ease, color 0.4s ease;
    will-change: transform, opacity;
    color: var(--screen-text, var(--card-text));
    cursor: pointer;
}

.maestro-screen:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--ds-shadow-heavy);
    border-color: var(--accent);
}

.maestro-screen h3 {
    font-family: var(--ds-font-heading);
    font-size: var(--ds-text-h3);
    margin-bottom: var(--ds-space-xs);
    color: inherit;
}

.maestro-screen p {
    font-size: var(--ds-text-small);
    opacity: 0.9;
    color: inherit;
}

.glass {
    backdrop-filter: var(--ds-blur);
    -webkit-backdrop-filter: var(--ds-blur);
    background: color-mix(in srgb, var(--glass-bg, var(--card-bg)) 80%, transparent);
}

.maestro-screen:hover {
    border-color: var(--accent);
    box-shadow: 0 15px 40px rgba(var(--accent), 0.15);
}

/* --- Hero & Sections --- */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent), #818CF8);
    opacity: 0.8;
    z-index: -1;
    filter: blur(30px);
    transform: scale(1.2);
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent), #818CF8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero h1 {
    font-size: var(--ds-text-h1);
    line-height: 1.1;
    margin-bottom: var(--ds-space-md);
    font-weight: 800;
    font-family: var(--ds-font-heading);
}

.btn-primary {
    display: inline-block;
    padding: var(--ds-space-sm) var(--ds-space-lg);
    background-color: var(--btn-bg, var(--accent));
    color: var(--btn-text, white);
    text-decoration: none;
    border-radius: var(--ds-radius-sm);
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: var(--ds-shadow-heavy);
}

/* Navigation link hover effect */
.nav-links a {
    color: inherit;
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Section reveal for scroll animations */
.section-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Bento Grid */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 300px);
    gap: var(--ds-space-sm);
}

.bento-item {
    position: relative;
    border-radius: var(--ds-radius-md);
    overflow: hidden;
    background: var(--card-bg);
    cursor: pointer;
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.bento-item:hover {
    transform: translateY(-5px);
}

.bento-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.bento-item:hover .bento-img { transform: scale(1.05); }

.bento-content {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
}

.large { grid-column: span 2; grid-row: span 2; }
.medium { grid-column: span 2; }
.small { grid-column: span 1; }

/* --- Modals --- */
.tech-modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(15px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.tech-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    max-width: 600px;
    width: 90%;
    padding: var(--ds-space-lg);
    border-radius: var(--ds-radius-lg);
    background: var(--card-bg);
    border: 1px solid var(--border-soft);
    position: relative;
    transform: translateY(30px);
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: var(--ds-shadow-heavy);
}

.tech-modal.active .modal-content {
    transform: translateY(0);
}

.close-modal {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.close-modal:hover { opacity: 1; }

#modal-icon {
    font-size: 4rem;
    color: var(--accent);
    margin-bottom: 2rem;
}

/* --- Scroll to Top --- */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    border: none;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--ds-shadow-soft);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    background: var(--accent-secondary);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.4);
}

@media (max-width: 900px) {
    .bento-grid { grid-template-columns: repeat(2, 1fr); }
    .scroll-controls, .back-to-top { display: none; }
}


/* --- Forms --- */
.contact-form {
    border: 1px solid var(--border-soft);
}

.form-input {
    width: 100%;
    padding: 1rem;
    background: color-mix(in srgb, var(--bg-primary) 30%, transparent);
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.form-input::placeholder {
    color: var(--text-primary);
    opacity: 0.5;
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent);
    background: color-mix(in srgb, var(--card-bg) 80%, transparent);
}

select.form-input {
    appearance: none;
    cursor: pointer;
}

/* Graceful fallback when GSAP is blocked/unavailable */
.no-gsap .section-reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
}

.no-gsap .maestro-3d-viewport {
    height: auto !important;
    perspective: none !important;
    display: block !important;
    overflow: visible !important;
    padding: 2rem 0 !important;
}

.no-gsap .maestro-3d-scene {
    width: 100% !important;
    height: auto !important;
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)) !important;
    gap: 2rem !important;
    transform: none !important;
    transform-style: flat !important;
}

.no-gsap .maestro-screen {
    position: relative !important;
    width: 100% !important;
    height: auto !important;
    min-height: 280px !important;
    transform: none !important;
    backface-visibility: visible !important;
    top: auto !important;
    left: auto !important;
}