/* ------------------------------------
   WTK STUDIOS | CORE STYLES
   Minimalist, Premium Aesthetic
------------------------------------ */

:root {
    --bg-color: #050505;
    --text-primary: #FFFFFF;
    --text-secondary: #888888;
    --text-metallic: #B0B3B8;
    --accent: #FFFFFF;
    --nav-text: #999999;
    --nav-hover: #FFFFFF;

    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-heading: 'Playfair Display', "Times New Roman", Times, serif;

    --spacing-xxl: 12rem;
    --spacing-xl: 8rem;
    --spacing-lg: 5rem;
    --spacing-md: 3rem;
    --spacing-sm: 1.5rem;

    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-med: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Utilities */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Loader */
.loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.8s ease;
}

.loader-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader-logo {
    font-size: 1.5rem;
    letter-spacing: 0.5em;
    font-family: var(--font-heading);
    font-weight: 400;
    color: var(--text-secondary);
    animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 0;
    z-index: 100;
    transition: var(--transition-med);
    background: transparent;
}

.site-header.scrolled {
    background: rgba(5, 5, 5, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.6rem;
    font-family: var(--font-heading);
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    text-transform: uppercase;
    text-decoration: none;
    transition: var(--transition-med);
    display: inline-block;
}

.logo-text:hover {
    color: var(--nav-hover);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 3rem;
}

.nav-link {
    color: var(--nav-text);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.25em;
    transition: var(--transition-med);
    position: relative;
}

.nav-link:hover {
    color: var(--nav-hover);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 1px;
    background-color: var(--accent);
    transition: var(--transition-med);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 1px;
    background-color: var(--text-primary);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 100px;
    /* offset header */
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    z-index: -1;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0.8;
}

.glow-orb {
    position: absolute;
    width: 60vh;
    height: 60vh;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.hero-sculpture {
    max-width: 90vh;
    max-height: 90vh;
    object-fit: contain;
    position: relative;
    z-index: 2;
    mask-image: linear-gradient(to top, transparent 5%, black 40%);
    -webkit-mask-image: linear-gradient(to top, transparent 5%, black 40%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) scale(1.0);
    }

    50% {
        transform: translateY(-20px) scale(1.02);
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-top: 35vh;
    /* Push text down below the center of sculpture */
}

.hero-text-wrapper {
    max-width: 900px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-family: var(--font-heading);
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    background: linear-gradient(180deg, #FFFFFF 0%, #A0A0A0 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    transform: translateY(30px);
}

.hero-subtitle {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(20px);
}

/* Call to Action */
.hero-cta-wrapper {
    opacity: 0;
    transform: translateY(20px);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background-color: #FFFFFF;
    color: #000000;
    padding: 18px 36px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 100px;
    transition: var(--transition-med);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.15);
}

.btn-primary svg {
    transition: transform 0.3s ease;
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

/* Pillars Section */
.pillars-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(to bottom, transparent, rgba(10, 10, 10, 0.8));
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
}

.pillar-card {
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-slow);
}

.pillar-card:hover {
    border-top-color: rgba(255, 255, 255, 0.5);
}

.pillar-card:hover .pillar-icon {
    transform: translateY(-5px);
    color: #FFFFFF;
}

.pillar-icon {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    transition: var(--transition-med);
}

.pillar-title {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.pillar-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-weight: 300;
}

/* Footer */
.site-footer {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background-color: #020202;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-brand .logo-text {
    font-size: 1.2rem;
    font-family: var(--font-heading);
    color: var(--text-secondary);
}

.footer-brand p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.15em;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #FFFFFF;
}

.footer-links span {
    color: #444;
}

/* Animations */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* Hero reveal sequencing */
.hero-content.loaded .hero-title {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-content.loaded .hero-subtitle {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s, transform 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}

.hero-content.loaded .hero-cta-wrapper {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.6s, transform 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.6s;
}

/* Responsive */
@media (max-width: 900px) {
    .pillars-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-content {
        margin-top: 25vh;
    }

    .footer-container {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        /* simple mobile nav for mockup */
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero-bg {
        top: 40%;
    }
}