@import './variables.css';

/* Global Refinements (Anti-AI Signature) */
.text-heading {
    letter-spacing: var(--ls-heading);
    text-wrap: balance;
}

body {
    letter-spacing: var(--ls-body);
}

/* Tactile Surface Layer */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeatTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E");
    opacity: 0.6;
    mix-blend-mode: multiply;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-sm) 0;
    z-index: 100;
    background: rgba(249, 248, 244, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: var(--transition-smooth);
}

header.scrolled {
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-accent);
    transition: var(--transition-smooth);
}

.logo:hover {
    transform: translateX(5px);
}

.logo-kr {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    opacity: 0.8;
    position: relative;
    top: 1px;
}

@media (max-width: 480px) {
    .logo-kr {
        display: none;
    }
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-md);
}

.main-nav a {
    transition: var(--transition-fast);
}

.main-nav a:hover {
    color: var(--color-accent-gold);
    opacity: 1;
}

.main-nav a::after {
    background: var(--color-accent-gold);
    height: 1px;
    bottom: 2px;
}

/* Hero Section */
/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: #F9F8F4;
}

.hero::after {
    content: '';
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    background: url('../assets/hero-warm-opt.jpg') no-repeat center center/cover;
    animation: heroBackgroundZoom 20s infinite alternate ease-in-out;
    z-index: 0;
}

@keyframes heroBackgroundZoom {
    0% {
        transform: scale(1) translate(0, 0);
    }

    100% {
        transform: scale(1.1) translate(-2%, -2%);
    }
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(249, 248, 244, 0.4), rgba(249, 248, 244, 0.95));
    z-index: 1;
}

.hero-content {
    z-index: 2;
    padding: var(--spacing-md);
    max-width: 800px;
    position: relative;
    top: 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: heroTextReveal 1.6s var(--ease-organic) forwards 0.4s;
}

@keyframes heroTextReveal {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-eyebrow {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-accent-gold);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.hero-title {
    font-size: clamp(3rem, 10vw, 5.5rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-main);
    font-weight: 400;
    line-height: 1.1;
}

.hero-divider {
    width: 40px;
    height: 2px;
    background-color: var(--color-accent);
    margin: 0 auto var(--spacing-lg);
    opacity: 0.5;
}

.hero-text-kr {
    font-family: var(--font-body);
    font-size: 1.1rem;
    line-height: 2;
    color: var(--color-text-main);
    font-weight: 500;
    word-break: keep-all;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-text-kr {
        font-size: 1rem;
        padding: 0 1rem;
    }
}

/* Section Break Texture */
.philosophy {
    position: relative;
    padding: var(--spacing-xl) 0;
    background: url('../assets/texture_leaf-opt.jpg') no-repeat right bottom/300px;
    background-attachment: scroll;
    /* Clean parallax-like feel */
}

/* Ensure texture doesn't interfere with text */
@media (max-width: 768px) {
    .philosophy {
        background-position: center bottom;
        background-size: 200px;
        padding-bottom: 200px;
    }
}

.philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.philosophy-text h2 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.philosophy-text p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.quote-box {
    border-left: 2px solid var(--color-accent);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-text-main);
}

/* Footer */
footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    background: #F2F0EB;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: var(--spacing-md);
}

.footer-info h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.footer-contact p {
    margin-bottom: 0.5rem;
}

/* Mobile Menu Styles */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 0;
}

.mobile-menu-btn span {
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    transition: all 0.3s ease;
}

/* Mobile Nav Styles - Basic implementation for now */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: #F9F8F4;
        display: flex;
        justify-content: center;
        align-items: center;
        transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 1000;
    }

    .main-nav.active {
        right: 0;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .main-nav a {
        font-size: 1.5rem;
        color: var(--color-accent);
    }

    /* Hamburger Animation */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    /* Simple 2-bar or 3-bar toggle logic simplification for 2 bars */
    /* Let's use pseudo elements for cleaner 2-bar cross */

    .philosophy-grid {
        grid-template-columns: 1fr;
    }
}

/* Sophisticated Reveal System */
.reveal-init {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s var(--ease-organic), transform 1.2s var(--ease-organic);
}

.reveal-init.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Card & Grid Refinements */
.team-card,
.service-item,
.program-card {
    border: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(5px);
    padding: var(--spacing-md);
    transition: var(--transition-viscous);
}

.team-card:hover,
.program-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: var(--color-accent-gold);
    box-shadow: 0 30px 60px rgba(58, 74, 62, 0.1);
    background: #fff;
}

/* Section Transitions */
section {
    position: relative;
    z-index: 5;
}

/* Utility Animations */
.stagger-1 {
    transition-delay: 0.1s;
}

.stagger-2 {
    transition-delay: 0.2s;
}

.stagger-3 {
    transition-delay: 0.3s;
}

.stagger-4 {
    transition-delay: 0.4s;
}

/* Selection */
::selection {
    background: var(--color-accent-gold);
    color: #fff;
}

/* Interaction Polish */
.team-card,
.service-item,
.program-card {
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
}

.team-card:hover,
.program-card:hover {
    transform: translateY(-12px) scale(1.01);
    box-shadow: 0 20px 40px rgba(58, 74, 62, 0.08);
}