/* ==========================================================================
   Tiger Studio — Design System & Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Colors — Restrained, premium palette */
    --color-black: #0a0a0a;
    --color-white: #faf9f7;
    --color-gold: #c9a227;
    --color-gold-soft: #d4b84a;
    --color-gray-900: #1a1a1a;
    --color-gray-800: #2a2a2a;
    --color-gray-600: #666666;
    --color-gray-500: #7d7d7d;
    --color-gray-400: #999999;
    --color-gray-300: #b8b8b8;
    --color-gray-200: #e5e5e5;

    /* Typography */
    --font-serif: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-sans: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing — 8px base grid */
    --space-1: 0.5rem;
    /* 8px */
    --space-2: 1rem;
    /* 16px */
    --space-3: 1.5rem;
    /* 24px */
    --space-4: 2rem;
    /* 32px */
    --space-5: 2.5rem;
    /* 40px */
    --space-6: 3rem;
    /* 48px */
    --space-8: 4rem;
    /* 64px */
    --space-10: 5rem;
    /* 80px */
    --space-12: 6rem;
    /* 96px */
    --space-16: 8rem;
    /* 128px */

    /* Layout */
    --max-width: 1200px;
    --header-height: 80px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#main,
#works,
#about,
#contact {
    scroll-margin-top: calc(var(--header-height) + var(--space-3));
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    color: var(--color-black);
    background-color: var(--color-white);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul,
ol {
    list-style: none;
}

button {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    cursor: pointer;
}

address {
    font-style: normal;
}

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

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4 {
    font-family: var(--font-sans);
    font-weight: 600;
    line-height: 1.2;
}

.section-label,
.partners-label,
.about-label,
.intro-label {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   4. Header & Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 100;
    background: linear-gradient(to bottom, var(--color-white), transparent);
    border-bottom: 1px solid transparent;
    transition: background var(--duration-normal) var(--ease-out),
        border-color var(--duration-normal) var(--ease-out),
        backdrop-filter var(--duration-normal) var(--ease-out);
    pointer-events: none;
}

.header.scrolled {
    background: rgba(250, 249, 247, 0.95);
    backdrop-filter: blur(10px);
    border-bottom-color: rgba(10, 10, 10, 0.08);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--space-4);
    pointer-events: auto;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 28px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: var(--space-5);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color var(--duration-fast) var(--ease-out);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    z-index: 101;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-black);
    transition: transform var(--duration-normal) var(--ease-out),
        opacity var(--duration-normal) var(--ease-out);
    transform-origin: center;
}

/* Hamburger → X animation */
.nav-toggle.active span:first-child {
    transform: translateY(4px) rotate(45deg);
}

.nav-toggle.active span:last-child {
    transform: translateY(-4px) rotate(-45deg);
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-black);
    color: var(--color-white);
    padding: var(--space-2) var(--space-4);
    z-index: 200;
    border-radius: 4px;
    font-size: 0.875rem;
    transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
    top: var(--space-2);
}

/* Mobile nav */
@media (max-width: 768px) {
    .header {
        background: var(--color-white);
    }

    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: var(--space-4);
        flex-direction: column;
        align-items: center;
        gap: var(--space-4);
        border-bottom: 1px solid var(--color-gray-200);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: transform var(--duration-normal) var(--ease-out),
            opacity var(--duration-normal) var(--ease-out),
            visibility var(--duration-normal) var(--ease-out);
    }

    .nav-links.active {
        display: flex;
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-toggle {
        display: flex;
    }
}


/* --------------------------------------------------------------------------
   5. Hero Section
   -------------------------------------------------------------------------- */
.hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: clamp(7rem, 16vh, 10rem) var(--space-4) var(--space-10);
    text-align: center;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(60% 45% at 85% 5%, rgba(201, 162, 39, 0.14), transparent 65%),
        radial-gradient(40% 35% at 5% 85%, rgba(10, 10, 10, 0.08), transparent 75%);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(10, 10, 10, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(10, 10, 10, 0.03) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(circle at center, #000 30%, transparent 84%);
    pointer-events: none;
}

.hero-content {
    max-width: 760px;
    position: relative;
    z-index: 1;
    padding-bottom: var(--space-6);
}

.hero-kicker {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-gray-600);
    margin-bottom: var(--space-3);
}

.hero-title {
    font-size: clamp(2.1rem, 5.7vw, 4.25rem);
    font-weight: 500;
    line-height: 1.12;
    letter-spacing: -0.03em;
    word-break: keep-all;
    margin-bottom: var(--space-4);
}

.hero-tagline {
    font-size: 1.125rem;
    line-height: 1.85;
    margin: 0 auto var(--space-3);
    max-width: 680px;
}

.hero-sub {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    max-width: 620px;
    margin: 0 auto var(--space-2);
}

.hero-sub-vision {
    margin-bottom: 0;
}

.hero-actions {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: var(--space-6);
}

.hero-cta {
    display: inline-block;
    padding: var(--space-2) var(--space-5);
    background: var(--color-black);
    color: var(--color-white);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: 4px;
    transition: background var(--duration-fast) var(--ease-out),
        transform var(--duration-fast) var(--ease-out);
}

.hero-cta:hover {
    background: var(--color-gray-800);
    transform: translateY(-2px);
}

.hero-cta-secondary {
    background: transparent;
    color: var(--color-black);
    border: 1px solid rgba(10, 10, 10, 0.18);
}

.hero-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.85);
}

.hero-quote {
    margin-top: var(--space-5);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-600);
}

.hero-quote span {
    display: block;
    margin-top: var(--space-1);
    font-family: var(--font-sans);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-gray-500);
    font-style: normal;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.hero-scroll span {
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gray-400);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scaleY(1);
    }

    50% {
        opacity: 1;
        transform: scaleY(1.2);
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: calc(100vh - 24px);
        padding: calc(var(--header-height) + var(--space-6)) var(--space-4) var(--space-8);
    }

    .hero::before {
        background-size: 44px 44px;
    }

    .hero-title {
        font-size: clamp(1.9rem, 9vw, 2.7rem);
    }

    .hero-tagline,
    .hero-sub {
        font-size: 0.9375rem;
        line-height: 1.75;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        margin-top: var(--space-5);
    }

    .hero-cta {
        width: min(260px, 100%);
        margin: 0 auto;
    }

    .hero-scroll {
        display: none;
    }

    .intro {
        padding: var(--space-10) var(--space-4);
    }

    .featured-works {
        padding: var(--space-10) var(--space-4);
    }

    .section-title {
        font-size: clamp(1.75rem, 8vw, 2.4rem);
    }
}

@media (max-height: 860px) {
    .hero-scroll {
        display: none;
    }

    .hero-content {
        padding-bottom: 0;
    }
}

/* --------------------------------------------------------------------------
   6. Intro Section (What We Do)
   -------------------------------------------------------------------------- */
.intro {
    padding: var(--space-12) var(--space-4) var(--space-10);
    max-width: var(--max-width);
    margin: 0 auto;
}

.intro-label {
    margin-bottom: var(--space-4);
}

.intro-heading {
    font-size: clamp(1.5rem, 3.2vw, 2.15rem);
    font-weight: 400;
    line-height: 1.7;
    max-width: 800px;
}

.intro-heading .highlight {
    color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   7. Partners Section (Separated)
   -------------------------------------------------------------------------- */
.partners {
    padding: var(--space-10) var(--space-4);
    background: linear-gradient(180deg, #131417 0%, #0f1012 100%);
}

.partners-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    text-align: center;
}

.partners-label {
    color: var(--color-gray-300);
    display: block;
    margin-bottom: var(--space-5);
}

.partner-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    flex-wrap: wrap;
}

.partner-logo {
    display: block;
    height: 26px;
    width: auto;
    opacity: 0.82;
    transition: opacity var(--duration-normal) var(--ease-out),
        transform var(--duration-normal) var(--ease-out);
}

.partner-logo--sbs {
    height: 28px;
}

.partner-logo--wavve {
    height: 24px;
}

.partner-logo--webtoon {
    height: 40px;
    opacity: 0.95;
}

.partner-logo--mono {
    filter: brightness(0) invert(1);
}

.partner-logo--mbc {
    height: 24px;
}

.partner-logo--kakaopage {
    height: 20px;
}

.partner-logo:hover {
    opacity: 1;
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .partner-logos {
        gap: var(--space-5);
    }

    .partner-logo {
        height: 20px;
    }

    .partner-logo--sbs {
        height: 22px;
    }

    .partner-logo--wavve {
        height: 20px;
    }

    .partner-logo--webtoon {
        height: 32px;
    }

    .partner-logo--mbc {
        height: 20px;
    }

    .partner-logo--kakaopage {
        height: 18px;
    }
}

/* --------------------------------------------------------------------------
   8. Featured Works Section (Grid with Posters)
   -------------------------------------------------------------------------- */
.featured-works {
    padding: var(--space-12) var(--space-4);
    background: var(--color-white);
}

.section-header {
    max-width: var(--max-width);
    margin: 0 auto var(--space-6);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    margin-top: var(--space-2);
}

.featured-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
}

.featured-card {
    background: linear-gradient(180deg, #ffffff 0%, #f6f5f1 100%);
    border: 1px solid rgba(10, 10, 10, 0.08);
    border-radius: 4px;
    overflow: hidden;
    transition: transform var(--duration-normal) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out);
}

.featured-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 14px 30px rgba(10, 10, 10, 0.08);
}

.featured-image {
    aspect-ratio: 2/3;
    overflow: hidden;
    background: var(--color-gray-200);
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.featured-card:hover .featured-image img {
    transform: scale(1.05);
}

.featured-info {
    padding: var(--space-3);
    display: grid;
    gap: 2px;
}

.featured-platform {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    display: inline-block;
    margin-bottom: var(--space-1);
}

.featured-title {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 2px;
}

.featured-role {
    font-size: 0.8125rem;
    color: var(--color-gray-600);
}

.featured-hook {
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    margin-top: var(--space-1);
}

.featured-cast {
    font-size: 0.75rem;
    color: var(--color-gray-600);
    margin-top: var(--space-1);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.featured-cast-label {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid rgba(10, 10, 10, 0.15);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--color-gray-700);
    background: rgba(10, 10, 10, 0.03);
}

.featured-awards {
    margin-top: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.award {
    font-size: 0.75rem;
    color: #8f7323;
}

.featured-link {
    justify-self: start;
    padding: 6px 12px;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 999px;
    border: 1px solid rgba(10, 10, 10, 0.18);
    transition: color var(--duration-fast) var(--ease-out),
        border-color var(--duration-fast) var(--ease-out),
        background var(--duration-fast) var(--ease-out);
}

.featured-link:hover {
    color: var(--color-gold);
    border-color: var(--color-gold);
    background: rgba(201, 162, 39, 0.08);
}

.featured-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: var(--space-2);
}

.featured-link--ghost {
    background: transparent;
}

.featured-link--ghost:hover {
    background: rgba(10, 10, 10, 0.04);
}

@media (max-width: 600px) {
    .featured-grid {
        grid-template-columns: 1fr;
    }
}

/* --------------------------------------------------------------------------
   9. All Works Section (Tab-based List)
   -------------------------------------------------------------------------- */
.all-works {
    padding: var(--space-12) var(--space-4) var(--space-16);
    background: linear-gradient(180deg, #181a1d 0%, #0e0f11 100%);
    color: var(--color-white);
}

.all-works .section-header {
    margin-bottom: var(--space-6);
}

.all-works .section-label {
    color: var(--color-gray-300);
}

/* Tabs */
.works-tabs {
    max-width: var(--max-width);
    margin: 0 auto var(--space-6);
    display: flex;
    gap: var(--space-1);
    border-bottom: 1px solid var(--color-gray-800);
}

.tab-btn {
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-300);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all var(--duration-fast) var(--ease-out);
}

.tab-btn:hover {
    color: var(--color-white);
}

.tab-btn.active {
    color: var(--color-gold);
    border-bottom-color: var(--color-gold);
}

@media (max-width: 768px) {
    .works-tabs {
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .works-tabs::-webkit-scrollbar {
        display: none;
    }

    .tab-btn {
        white-space: nowrap;
    }
}

/* Tab Panels */
.tab-panel {
    display: none;
    max-width: var(--max-width);
    margin: 0 auto;
}

.tab-panel.active {
    display: block;
}

.tab-panel[hidden] {
    display: none !important;
}

.works-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.works-column {
    padding: var(--space-4);
    background: var(--color-gray-800);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
}

.column-title {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.works-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.work-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-1) 0;
}

.work-name {
    font-size: 0.9375rem;
    font-weight: 400;
    word-break: keep-all;
}

.work-meta {
    font-size: 0.75rem;
    color: var(--color-gray-400);
    display: block;
    margin-top: 2px;
}

.work-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--color-gold);
    background: rgba(201, 162, 39, 0.15);
    padding: 2px 8px;
    border-radius: 2px;
    white-space: nowrap;
    flex-shrink: 0;
}

.work-tags {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    flex-wrap: wrap;
    margin-left: auto;
    flex-shrink: 0;
}

.work-badge--type {
    color: var(--color-gray-200);
    background: rgba(255, 255, 255, 0.14);
}

.work-badge--purchase {
    color: var(--color-gold);
    background: rgba(201, 162, 39, 0.15);
}

@media (max-width: 768px) {
    .work-item {
        gap: var(--space-1);
    }

    .work-tags {
        justify-content: flex-start;
    }
}

/* --------------------------------------------------------------------------
   10. About Section (CEO)
   -------------------------------------------------------------------------- */
.about {
    padding: var(--space-12) var(--space-4);
    background: var(--color-white);
}

.about-layout {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-8);
}

.about-label {
    padding-top: var(--space-1);
}

.ceo-name {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 500;
    margin-bottom: var(--space-1);
}

.ceo-title {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-6);
}

.ceo-bio {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-5);
}

.bio-section h3 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-2);
}

.bio-section ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.bio-section li {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    position: relative;
    padding-left: var(--space-2);
}

.bio-section li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 4px;
    height: 1px;
    background: var(--color-gray-400);
}

@media (max-width: 768px) {
    .about-layout {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
}

/* --------------------------------------------------------------------------
   11. Footer
   -------------------------------------------------------------------------- */
.footer {
    background: linear-gradient(180deg, #0f1012 0%, #08090a 100%);
    color: var(--color-white);
    padding: var(--space-12) var(--space-4) var(--space-6);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-8);
    padding-bottom: var(--space-10);
    border-bottom: 1px solid var(--color-gray-800);
}

.footer-message {
    font-size: 1rem;
    line-height: 2;
    color: var(--color-gray-300);
    max-width: 500px;
}

.footer-contact {
    text-align: right;
}

.footer-cta {
    display: inline-block;
    padding: 0.7rem 1.2rem;
    background: var(--color-gold);
    color: var(--color-black);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: 999px;
    margin-bottom: var(--space-3);
    transition: background var(--duration-fast) var(--ease-out),
        transform var(--duration-fast) var(--ease-out);
}

.footer-cta:hover {
    background: var(--color-gold-soft);
    transform: translateY(-2px);
}

.contact-email {
    display: block;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-gold);
    margin-bottom: var(--space-2);
    transition: color var(--duration-fast) var(--ease-out);
}

.contact-email:hover {
    color: var(--color-gold-soft);
}

.contact-address {
    font-size: 0.875rem;
    color: var(--color-gray-300);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-6);
}

.footer-mark {
    height: 32px;
    width: auto;
    opacity: 0.3;
}

.copyright {
    font-size: 0.75rem;
    color: var(--color-gray-300);
}

@media (max-width: 768px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }

    .footer-contact {
        text-align: left;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }
}

/* --------------------------------------------------------------------------
   12. Scroll Animations
   -------------------------------------------------------------------------- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--duration-slow) var(--ease-out),
        transform var(--duration-slow) var(--ease-out);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered delays */
.fade-in:nth-child(1) {
    transition-delay: 0ms;
}

.fade-in:nth-child(2) {
    transition-delay: 100ms;
}

.fade-in:nth-child(3) {
    transition-delay: 200ms;
}

.fade-in:nth-child(4) {
    transition-delay: 300ms;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .scroll-line {
        animation: none;
    }
}