@font-face {
    font-family: 'HakgyoansimWoojuR';
    src: url('../fonts/HakgyoansimWoojuR.ttf') format('truetype'),
         url('../fonts/HakgyoansimWoojuR.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

:root {
    /* Hanok-inspired theme: warm hanji paper + timber + ink */
    --bg-color: #fbf7ef;
    --bg-color-2: #f3eadb;
    --panel-color: rgba(255, 255, 255, 0.72);

    --text-color: #1f1914; /* warm ink */
    --text-light: rgba(31, 25, 20, 0.68);
    --line-color: rgba(31, 25, 20, 0.14);

    --accent-color: #7b4b2a; /* timber */
    --accent-pine: #2f4a3a;
    --accent-persimmon: #c26a3b;
    --primary-color: var(--accent-color);

    --header-height: 90px;
    --section-padding: 120px;

    --radius: 18px;
    --radius-lg: 28px;
    --shadow-soft: 0 14px 40px rgba(31, 25, 20, 0.10);
    --shadow-paper: 0 8px 18px rgba(31, 25, 20, 0.08);

    --font-heading: 'HakgyoansimWoojuR', 'Noto Sans KR', sans-serif;
    --font-kr: 'HakgyoansimWoojuR', 'Noto Sans KR', sans-serif;
    --font-body: 'HakgyoansimWoojuR', 'Noto Sans KR', sans-serif;
    --font-en: 'HakgyoansimWoojuR', 'Noto Sans KR', sans-serif;

    /* Backward-compat aliases (some section CSS used older names) */
    --font-eng: var(--font-en);
}

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

/* Desktop typography scale-up: keep mobile unchanged, improve PC readability */
@media (min-width: 1024px) {
    html {
        font-size: 22px;
    }
}

body {
    font-family: var(--font-body);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.85;
    word-break: keep-all;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;

    /* Subtle paper texture + warm ink wash */
    background-image:
        radial-gradient(1200px 900px at 12% -10%, rgba(194, 106, 59, 0.18), transparent 55%),
        radial-gradient(1000px 700px at 92% 6%, rgba(47, 74, 58, 0.16), transparent 60%),
        radial-gradient(900px 650px at 50% 120%, rgba(123, 75, 42, 0.12), transparent 60%),
        repeating-linear-gradient(90deg, rgba(31, 25, 20, 0.025) 0 1px, transparent 1px 18px),
        repeating-linear-gradient(0deg, rgba(31, 25, 20, 0.02) 0 1px, transparent 1px 24px);
    background-attachment: fixed;
}

::selection {
    background: rgba(194, 106, 59, 0.30);
    color: var(--text-color);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

/* Elegant Section Divider */
.section-divider {
    width: min(720px, 70%);
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(31, 25, 20, 0.22), transparent);
    opacity: 1;
    margin: 0 auto;
    position: relative;
}

/* Decorative diamond in center */
.section-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    transform: translate(-50%, -50%) rotate(45deg);
    background: rgba(251, 247, 239, 0.95);
    border: 1px solid rgba(31, 25, 20, 0.22);
    box-shadow: 0 0 0 10px rgba(251, 247, 239, 0.55);
}

section {
    padding: var(--section-padding) 0;
}

section[id] {
    scroll-margin-top: 110px; /* account for fixed header */
}

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Header */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: background-color 0.35s ease, box-shadow 0.35s ease, color 0.35s ease, padding 0.35s ease;
    background: linear-gradient(to bottom, rgba(31, 25, 20, 0.78) 0%, rgba(31, 25, 20, 0) 100%);
    color: #fff;
}

#main-header.scrolled {
    background-color: rgba(251, 247, 239, 0.88);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 10px 0;
    box-shadow: 0 10px 30px rgba(31, 25, 20, 0.10);
    border-bottom: 1px solid var(--line-color);
    color: var(--text-color);
}

#main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    margin: 0;
    line-height: 1;
}

.logo a {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    text-shadow: 0 8px 26px rgba(0, 0, 0, 0.25);
    transition: color 0.4s ease, text-shadow 0.4s ease;
}

.logo-mark {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 50%;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
    transition: transform 0.35s ease, box-shadow 0.35s ease, width 0.35s ease, height 0.35s ease;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 2.1rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    color: currentColor;
    transition: font-size 0.35s ease;
}

.logo a:hover .logo-mark {
    transform: translateY(-1px) scale(1.02);
}

#main-header.scrolled .logo a {
    color: var(--text-color);
    text-shadow: none;
}

#main-header.scrolled .logo-mark {
    width: 38px;
    height: 38px;
    box-shadow: 0 6px 14px rgba(31, 25, 20, 0.12);
}

#main-header.scrolled .logo-text {
    font-size: 1.65rem;
}

nav ul {
    display: flex;
    gap: 30px;
}

nav a {
    position: relative;
    font-weight: 500;
    color: #fff; /* Start white */
    text-shadow: 0 1px 3px rgba(0,0,0,0.35);
    transition: color 0.25s ease;
    font-size: 0.98rem;
    letter-spacing: 0.06em;
}

nav a::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -8px;
    height: 1px;
    background: currentColor;
    opacity: 0.55;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

nav a:hover::after {
    transform: scaleX(1);
}

#main-header.scrolled nav a,
#main-header.scrolled .logo a {
    color: var(--text-color); /* Dark text on white background */
    text-shadow: none;
}

nav a:hover {
    color: var(--accent-persimmon) !important;
}

/* Hero Section */
#hero {
    position: relative;
    height: 100vh;
    min-height: 720px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    inset: 0;
    z-index: -2;
    will-change: transform;
}

.hero-slider .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 0;
    opacity: 0;
    transition: opacity 1.5s ease-in-out, transform 6s ease;
    transform: scale(1);
}

.hero-slider .slide.active {
    opacity: 1;
    transform: scale(1.05); /* Subtle zoom effect */
}

/* Overlays: hanji lattice + warm vignette for readability */
#hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(
            to bottom,
            rgba(31, 25, 20, 0.55) 0%,
            rgba(31, 25, 20, 0.08) 45%,
            rgba(31, 25, 20, 0.62) 100%
        ),
        repeating-linear-gradient(90deg, rgba(251, 247, 239, 0.055) 0 1px, transparent 1px 28px),
        repeating-linear-gradient(0deg, rgba(251, 247, 239, 0.040) 0 1px, transparent 1px 34px);
    z-index: 0;
    pointer-events: none;
}

#hero::after {
    content: '';
    position: absolute;
    inset: -12%;
    background: radial-gradient(circle at 50% 40%, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.55) 88%);
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    z-index: 1;
    padding: 0 40px;
    max-width: 1180px;
    animation: fadeInUp 1.5s ease-out; /* Slower, more elegant */
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
        filter: blur(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

.hero-kicker {
    display: inline-block;
    font-family: var(--font-en);
    font-weight: 500;
    letter-spacing: 0.08em;
    font-size: 0.95rem;
    padding: 10px 18px;
    border-radius: 999px;
    border: 1px solid rgba(251, 247, 239, 0.55);
    background: rgba(31, 25, 20, 0.26);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
    margin-bottom: 26px;
}

.hero-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 4.8vw, 4.0rem);
    margin-bottom: 18px;
    font-weight: 400;
    letter-spacing: -0.015em;
    text-shadow: 0 10px 36px rgba(0, 0, 0, 0.35);
    line-height: 1.18;
}

@media (min-width: 1100px) {
    .hero-content h2 {
        white-space: nowrap;
    }
}

.hero-sub {
    font-family: var(--font-kr);
    font-size: clamp(1.03rem, 1.8vw, 1.32rem);
    font-weight: 400;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.32);
    opacity: 0.96;
    letter-spacing: 0.02em;
    margin-bottom: 14px;
}

.hero-meta {
    font-size: clamp(0.92rem, 1.3vw, 1.02rem);
    letter-spacing: 0.1em;
    color: rgba(251, 247, 239, 0.88);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.28);
    margin-bottom: 26px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 170px;
    padding: 11px 18px;
    border-radius: 999px;
    font-size: 0.98rem;
    letter-spacing: 0.04em;
    font-weight: 500;
    transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    text-decoration: none;
}

.hero-btn:hover {
    transform: translateY(-1px);
}

.hero-btn-primary {
    color: #1f1914;
    background: rgba(251, 247, 239, 0.92);
    border: 1px solid rgba(251, 247, 239, 0.95);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

.hero-btn-primary:hover {
    background: rgba(251, 247, 239, 1);
}

.hero-btn-ghost {
    color: rgba(251, 247, 239, 0.96);
    background: rgba(31, 25, 20, 0.24);
    border: 1px solid rgba(251, 247, 239, 0.42);
}

.hero-btn-ghost:hover {
    background: rgba(31, 25, 20, 0.34);
    border-color: rgba(251, 247, 239, 0.65);
}

/* Scroll reveals (JS adds .reveal-init on targets) */
[data-reveal].reveal-init {
    opacity: 0;
    transform: translateY(18px);
    filter: blur(8px);
    transition: opacity 900ms ease, transform 900ms ease, filter 900ms ease;
    will-change: opacity, transform, filter;
}

[data-reveal].reveal-init.in-view {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

@media (prefers-reduced-motion: reduce) {
    [data-reveal].reveal-init {
        opacity: 1;
        transform: none;
        filter: none;
        transition: none;
    }
}

@media (max-width: 768px) {
    body {
        background-attachment: scroll;
    }
}

/* Lightbox Image Gallery */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.lightbox.visible {
    opacity: 1;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.lightbox.visible img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: white;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    transition: color 0.2s ease, transform 0.2s ease;
    user-select: none;
}

.lightbox-close:hover {
    color: var(--accent-persimmon);
    transform: scale(1.1);
}