/* ===================================
   SUNJOON F&B - Coming Soon Page
   Mobile-First Responsive Styles
   =================================== */

/* --- CSS Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

/* --- CSS Custom Properties --- */
:root {
    /* Colors */
    --color-primary: #1A1A1A;
    --color-gold: #B8956A;
    --color-gold-light: #D4B896;
    --color-cream: #E8DCC4;
    --color-background: #FAFAF8;
    --color-background-warm: #F8F5F0;
    --color-text: #2D2D2D;
    --color-text-light: #6B6B6B;
    --color-subtle: #C7C7C7;
    --color-white: #FFFFFF;

    /* Typography */
    --font-serif: 'Noto Serif KR', 'Batang', Georgia, serif;
    --font-sans: 'Noto Sans KR', 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 80px;

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.6s ease;
    --transition-slow: 0.8s ease;

    /* Layout */
    --max-width: 1200px;
}

/* --- Base Styles --- */
body {
    font-family: var(--font-sans);
    font-weight: 400;
    color: var(--color-text);
    background: var(--color-background);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

/* --- Page Wrapper --- */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    background: linear-gradient(
        180deg,
        var(--color-background) 0%,
        var(--color-background-warm) 50%,
        var(--color-background) 100%
    );
    animation: gradientShift 8s ease infinite alternate;
}

@keyframes gradientShift {
    0% {
        background: linear-gradient(
            180deg,
            var(--color-background) 0%,
            var(--color-background-warm) 50%,
            var(--color-background) 100%
        );
    }
    100% {
        background: linear-gradient(
            180deg,
            var(--color-background-warm) 0%,
            var(--color-background) 50%,
            var(--color-background-warm) 100%
        );
    }
}

/* --- Hero Section --- */
.hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg) var(--spacing-md);
    min-height: 70vh;
    position: relative;
}

.hero-content {
    text-align: center;
    z-index: 1;
}

/* Brand Name */
.brand-name {
    margin-bottom: var(--spacing-lg);
}

.brand-en {
    display: block;
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 0.3em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.brand-ko {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 400;
    letter-spacing: 0.5em;
    color: var(--color-gold);
}

/* Coming Soon Message */
.coming-soon {
    position: relative;
}

.main-message {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.1em;
}

.sub-message {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 300;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
}

/* Hero Decoration */
.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.line {
    position: absolute;
    background: linear-gradient(to bottom, transparent, var(--color-gold), transparent);
    opacity: 0.1;
}

.line-1 {
    width: 1px;
    height: 30%;
    left: 15%;
    top: 10%;
    animation: lineFloat 6s ease-in-out infinite;
}

.line-2 {
    width: 1px;
    height: 25%;
    right: 15%;
    bottom: 15%;
    animation: lineFloat 6s ease-in-out infinite 3s;
}

@keyframes lineFloat {
    0%, 100% {
        transform: translateY(0);
        opacity: 0.1;
    }
    50% {
        transform: translateY(-10px);
        opacity: 0.2;
    }
}

/* --- Contact Section --- */
.contact-section {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.contact-wrapper {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.contact-label {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gold);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.contact-phone {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-cream);
    border-radius: 50px;
    transition: all var(--transition-fast);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.03);
    min-width: 200px;
    justify-content: center;
}

.contact-phone:hover,
.contact-phone:focus {
    background: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(184, 149, 106, 0.3);
}

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

.phone-icon {
    width: 20px;
    height: 20px;
    color: var(--color-gold);
    transition: color var(--transition-fast);
}

.contact-phone:hover .phone-icon,
.contact-phone:focus .phone-icon {
    color: var(--color-white);
}

.phone-number {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* --- Footer --- */
.footer {
    padding: var(--spacing-md);
    text-align: center;
    border-top: 1px solid rgba(199, 199, 199, 0.3);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.copyright {
    font-size: 0.75rem;
    color: var(--color-text-light);
    letter-spacing: 0.02em;
}

.domains {
    font-size: 0.75rem;
    color: var(--color-subtle);
    letter-spacing: 0.02em;
}

/* --- Animations --- */
.animate-fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.animate-fade-in-delay {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.3s;
}

.animate-fade-in-delay-2 {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.6s;
}

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

/* --- Tablet Styles (768px+) --- */
@media (min-width: 768px) {
    .hero {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .brand-en {
        font-size: 4rem;
        letter-spacing: 0.4em;
    }

    .brand-ko {
        font-size: 1.5rem;
    }

    .main-message {
        font-size: 2.25rem;
    }

    .sub-message {
        font-size: 1.125rem;
    }

    .contact-phone {
        padding: var(--spacing-sm) var(--spacing-lg);
        min-width: 260px;
    }

    .phone-number {
        font-size: 1.5rem;
    }

    .footer-content {
        flex-direction: row;
        justify-content: center;
        gap: var(--spacing-md);
    }

    .line-1 {
        left: 20%;
    }

    .line-2 {
        right: 20%;
    }
}

/* --- Desktop Styles (1024px+) --- */
@media (min-width: 1024px) {
    .hero {
        min-height: 75vh;
    }

    .brand-en {
        font-size: 4.5rem;
        letter-spacing: 0.5em;
    }

    .brand-ko {
        font-size: 1.75rem;
        letter-spacing: 0.6em;
    }

    .main-message {
        font-size: 2.75rem;
    }

    .sub-message {
        font-size: 1.25rem;
    }

    .phone-number {
        font-size: 1.75rem;
    }

    .line-1 {
        height: 40%;
        left: 25%;
    }

    .line-2 {
        height: 35%;
        right: 25%;
    }
}

/* --- Large Desktop (1440px+) --- */
@media (min-width: 1440px) {
    .brand-en {
        font-size: 5rem;
    }

    .main-message {
        font-size: 3rem;
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .page-wrapper {
        animation: none;
        background: var(--color-background);
    }

    .animate-fade-in,
    .animate-fade-in-delay,
    .animate-fade-in-delay-2 {
        opacity: 1;
        transform: none;
    }
}

/* --- Focus Styles for Accessibility --- */
:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 4px;
}

/* --- Print Styles --- */
@media print {
    .page-wrapper {
        background: white;
    }

    .hero-decoration {
        display: none;
    }

    .contact-phone {
        border: 1px solid #000;
    }
}