/* =========================================
   COLORGRAM | common.css
   Reset / Root Variables / Typography / Base
   ========================================= */

/* -----------------------
   Reset
----------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body,
div,
span,
h1, h2, h3, h4, h5, h6,
p, a, img, em, strong,
ol, ul, li,
form, label, input, textarea, button, select,
header, nav, main, section, article, aside, footer,
figure, figcaption {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: 'Pretendard', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-black);
    background: var(--color-white);
    overflow-x: hidden;
    word-break: keep-all;
    letter-spacing: -0.01em;
}

ol, ul {
    list-style: none;
}

a {
    color: inherit;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
    user-select: none;
}

button {
    font-family: inherit;
    color: inherit;
    background: none;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

input,
textarea,
select {
    font-family: inherit;
    color: inherit;
    background: transparent;
    border: 0;
    outline: 0;
}

em, i {
    font-style: normal;
}

address {
    font-style: normal;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* -----------------------
   Root Variables (Y2K Webcore palette)
----------------------- */
:root {
    /* Pink primary */
    --color-primary: #ff4fb8;
    --color-primary-deep: #ff1f9d;
    --color-primary-dark: #ff1f9d;
    --color-primary-light: #ffd6ec;

    /* Pastel accents */
    --color-purple: #b89cff;
    --color-secondary: #b89cff; /* alias for legacy refs */
    --color-lavender: #eadfff;
    --color-blue: #9fd7ff;
    --color-blue-light: #dff2ff;
    --color-sky: #9fd7ff; /* alias */
    --color-iris: #7c9cff;
    --color-chrome: #d9e3ff;

    /* Pop colors */
    --color-mint: #a8ffdf;
    --color-lime: #dfff45;
    --color-yellow: #fff266;
    --color-coral: #ff5e5e;
    --color-magenta: #ff4fb8; /* alias to primary */
    --color-peach: #ffd6ec; /* re-mapped from beige to primary-light */

    /* Neutral (cool white system, NO beige) */
    --color-black: #111111;
    --color-ink: #1a1a1a;
    --color-white: #ffffff;
    --color-cool-white: #f8fbff;
    --color-line: #111111;
    --color-gray: #f1f4f8;
    --color-gray-50: #f8fbff;
    --color-gray-100: #f1f4f8;
    --color-gray-200: #e3e9f2;
    --color-gray-300: #cdd6e3;
    --color-gray-400: #99a4b6;
    --color-gray-500: #7d8a9e;
    --color-gray-600: #5d6b80;
    --color-gray-700: #404e62;
    --color-gray-800: #1f2937;

    /* Gradients (Y2K) */
    --gradient-pop: linear-gradient(135deg, #ff4fb8 0%, #b89cff 50%, #9fd7ff 100%);
    --gradient-jelly: linear-gradient(135deg, #ffd6ec 0%, #ff4fb8 60%, #b89cff 100%);
    --gradient-neon: linear-gradient(135deg, #dfff45 0%, #a8ffdf 60%, #9fd7ff 100%);
    --gradient-chrome: linear-gradient(135deg, #d9e3ff 0%, #b89cff 50%, #ff4fb8 100%);
    --gradient-pink-blue: linear-gradient(135deg, #ff4fb8 0%, #b89cff 50%, #9fd7ff 100%);
    --gradient-pixel: linear-gradient(135deg, #fff266 0%, #ff4fb8 50%, #b89cff 100%);
    --gradient-glow: radial-gradient(circle at 30% 30%, rgba(255, 79, 184, .55), transparent 60%),
                     radial-gradient(circle at 70% 70%, rgba(184, 156, 255, .55), transparent 60%);

    /* Shadow (Y2K offset, pixel-feel) */
    --shadow-soft: 0 10px 30px rgba(17, 17, 17, .06);
    --shadow-card: 0 14px 40px rgba(255, 79, 184, .15);
    --shadow-glow: 0 0 0 4px rgba(255, 79, 184, .15);
    --shadow-pop: 6px 6px 0 var(--color-line);
    --shadow-pop-pink: 6px 6px 0 var(--color-primary);
    --shadow-pop-blue: 6px 6px 0 var(--color-blue);
    --shadow-pop-sm: 4px 4px 0 var(--color-line);
    --shadow-glow-purple: 0 18px 60px rgba(184, 156, 255, .3);

    /* Y2K patterns (use as background) */
    --pattern-dot-blue: radial-gradient(circle, rgba(159, 215, 255, .55) 1.6px, transparent 1.6px);
    --pattern-dot-pink: radial-gradient(circle, rgba(255, 79, 184, .35) 1.6px, transparent 1.6px);
    --pattern-grid-blue:
        linear-gradient(rgba(159, 215, 255, .35) 1px, transparent 1px),
        linear-gradient(90deg, rgba(159, 215, 255, .35) 1px, transparent 1px);
    --pattern-checker:
        linear-gradient(45deg, var(--color-primary-light) 25%, transparent 25%),
        linear-gradient(-45deg, var(--color-primary-light) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--color-primary-light) 75%),
        linear-gradient(-45deg, transparent 75%, var(--color-primary-light) 75%);

    /* Layout */
    --container: 1440px;
    --header-h: 64px;
    --ribbon-h: 30px;
    /* dynamic offset that other layout uses; goes 0 when ribbon hides */
    --ribbon-offset: var(--ribbon-h);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 28px;
    --radius-xl: 40px;
    --radius-pill: 999px;

    /* Border (Y2K thin black system) */
    --border-line: 1.5px solid var(--color-line);
    --border-line-bold: 2px solid var(--color-line);

    /* Motion */
    --ease-out: cubic-bezier(.22, .61, .36, 1);
    --ease-soft: cubic-bezier(.4, 0, .2, 1);
    --dur-fast: .25s;
    --dur-base: .4s;
    --dur-slow: .8s;

    /* Font */
    --font-display: 'Syncopate', 'Pretendard', sans-serif;
    --font-pixel: 'VT323', 'Syncopate', 'Pretendard', sans-serif;
    --font-serif: 'Playfair Display', 'Pretendard', serif;
    --font-body: 'Pretendard', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
}

/* -----------------------
   Typography Base
----------------------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

p {
    line-height: 1.6;
}

strong {
    font-weight: 700;
}

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

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

a:focus-visible,
button:focus-visible {
    outline-offset: 4px;
}

::selection {
    background: var(--color-primary);
    color: var(--color-white);
}

/* -----------------------
   Section Tag / Heading
----------------------- */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding: 8px 16px;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: rgba(255, 79, 171, .08);
    border-radius: var(--radius-pill);
}

.section-tag.light {
    color: var(--color-white);
    background: rgba(255, 255, 255, .15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.section-title {
    font-size: clamp(32px, 4vw, 56px);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.025em;
    color: var(--color-black);
}

.section-title em {
    display: inline-block;
    padding: 0.05em 0.18em 0.12em 0.06em;
    margin: 0 -0.1em -0.05em -0.06em;
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 700;
    line-height: 1;
    color: var(--color-primary);
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    -webkit-text-fill-color: initial;
}

/* -----------------------
   Italic gradient em — global safe space (prevents slant clipping)
----------------------- */
.hero-title-em,
.page-hero-title em,
.brand-hero-title em,
.brand-philosophy-title em,
.brand-slogan-title em,
.brand-cta-title em,
.detail-desc-title em,
.auth-visual-title em,
.auth-form-title em,
.promotion-title em,
.cta-title em,
.editorial-title em,
.spectrum-center-text em,
.mypage-greet-title em,
.review-stat-num em,
.review-hero-marquee-item em {
    display: inline-block;
    padding: 0.05em 0.18em 0.12em 0.06em;
    margin: 0 -0.1em -0.05em -0.06em;
    line-height: 1;
}

.section-title.light {
    color: var(--color-white);
}

.section-title.light em {
    color: var(--color-primary);
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    -webkit-text-fill-color: initial;
}

.section-desc {
    margin-top: 16px;
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-600);
}

.section-desc.light {
    color: rgba(255, 255, 255, .7);
}

/* -----------------------
   Y2K Background Patterns (utility)
----------------------- */
.bg-cool-white { background: var(--color-cool-white); }
.bg-pink-light { background: var(--color-primary-light); }
.bg-blue-light { background: var(--color-blue-light); }
.bg-lavender   { background: var(--color-lavender); }

.bg-grid {
    background-color: var(--color-cool-white);
    background-image: var(--pattern-grid-blue);
    background-size: 32px 32px;
    background-position: 0 0;
}

.bg-dot {
    background-color: var(--color-cool-white);
    background-image: var(--pattern-dot-pink);
    background-size: 16px 16px;
}

.bg-dot-blue {
    background-color: var(--color-cool-white);
    background-image: var(--pattern-dot-blue);
    background-size: 18px 18px;
}

.bg-checker {
    background-color: var(--color-white);
    background-image: var(--pattern-checker);
    background-size: 24px 24px;
    background-position: 0 0, 0 12px, 12px -12px, -12px 0;
}

/* -----------------------
   Y2K Window Frame (utility wrapper)
----------------------- */
.window {
    position: relative;
    background: var(--color-white);
    border: var(--border-line);
    border-radius: 8px;
    box-shadow: var(--shadow-pop-sm);
}

.window-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 6px 12px;
    background: var(--color-primary);
    border-bottom: var(--border-line);
    border-radius: 6px 6px 0 0;
    font-family: var(--font-pixel);
    font-size: 14px;
    letter-spacing: .04em;
    color: var(--color-white);
}

.window-bar-title {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.window-bar-dots {
    display: inline-flex;
    gap: 4px;
}

.window-bar-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-white);
    border: 1px solid var(--color-line);
}

.window-bar-dot.is-min { background: var(--color-yellow); }
.window-bar-dot.is-close { background: var(--color-coral); }

.window-body {
    padding: 18px;
}

/* -----------------------
   Y2K Sticker (utility object)
----------------------- */
.sticker {
    position: absolute;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    font-family: var(--font-pixel);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--color-line);
    background: var(--color-yellow);
    border: var(--border-line);
    border-radius: 999px;
    box-shadow: var(--shadow-pop-sm);
    transform: rotate(-6deg);
    pointer-events: none;
    z-index: 3;
}

.sticker.is-pink { background: var(--color-primary); color: var(--color-white); }
.sticker.is-blue { background: var(--color-blue); color: var(--color-line); }
.sticker.is-lime { background: var(--color-lime); color: var(--color-line); }
.sticker.is-mint { background: var(--color-mint); color: var(--color-line); }
.sticker.is-rotate-r { transform: rotate(8deg); }
.sticker.is-pop {
    border-radius: 50%;
    width: 64px;
    height: 64px;
    padding: 0;
    text-align: center;
    line-height: 1.05;
    font-size: 12px;
}

/* Pixel star object */
.pixel-star {
    position: absolute;
    width: 32px;
    height: 32px;
    background:
        linear-gradient(var(--color-yellow), var(--color-yellow)) center/100% 8px no-repeat,
        linear-gradient(var(--color-yellow), var(--color-yellow)) center/8px 100% no-repeat,
        linear-gradient(var(--color-yellow), var(--color-yellow)) center/24px 24px no-repeat;
    transform: rotate(0deg);
    pointer-events: none;
}

.pixel-star.is-pink { background-color: transparent;
    background:
        linear-gradient(var(--color-primary), var(--color-primary)) center/100% 8px no-repeat,
        linear-gradient(var(--color-primary), var(--color-primary)) center/8px 100% no-repeat;
}

.pixel-heart {
    position: absolute;
    width: 28px;
    height: 24px;
    background:
        radial-gradient(circle at 30% 30%, var(--color-primary) 50%, transparent 51%) -2px 0/16px 16px no-repeat,
        radial-gradient(circle at 70% 30%, var(--color-primary) 50%, transparent 51%) 14px 0/16px 16px no-repeat;
    pointer-events: none;
}

.pixel-heart::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    margin: auto;
    width: 0;
    height: 0;
    border-left: 14px solid transparent;
    border-right: 14px solid transparent;
    border-top: 14px solid var(--color-primary);
    bottom: 2px;
}

/* -----------------------
   Top Ribbon (refined editorial marquee)
----------------------- */
.ribbon {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 105;
    height: var(--ribbon-h);
    color: var(--color-white);
    background: var(--color-line);
    overflow: hidden;
    transition: transform .35s var(--ease-out);
}

.ribbon::before {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 1px;
    background: var(--color-primary);
    opacity: .9;
}

/* When user scrolls down: ribbon slides up out of view, header pulls up */
body.is-ribbon-hidden {
    --ribbon-offset: 0;
}

body.is-ribbon-hidden .ribbon {
    transform: translateY(-100%);
}

/* Manually closed via × button: permanent for the session */
body.is-ribbon-closed {
    --ribbon-h: 0px;
    --ribbon-offset: 0;
}

body.is-ribbon-closed .ribbon {
    display: none;
}

.ribbon-inner {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
    gap: 12px;
}

.ribbon-marquee {
    flex: 1;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}

.ribbon-marquee-track {
    display: inline-flex;
    align-items: center;
    gap: 0;
    padding-right: 0;
    white-space: nowrap;
    animation: ribbonScroll 40s linear infinite;
}

.ribbon-item {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .92);
}

.ribbon-item + .ribbon-item {
    position: relative;
    margin-left: 28px;
    padding-left: 28px;
}

.ribbon-item + .ribbon-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-primary);
    transform: translateY(-50%);
}

@keyframes ribbonScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.ribbon-close {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    color: rgba(255, 255, 255, .7);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 50%;
    font-size: 13px;
    line-height: 1;
    cursor: pointer;
    transition: color var(--dur-fast) var(--ease-out),
                border-color var(--dur-fast) var(--ease-out),
                background var(--dur-fast) var(--ease-out);
}

.ribbon-close:hover {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, .6);
    background: rgba(255, 255, 255, .08);
}

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

/* -----------------------
   Custom Y2K Scrollbar
----------------------- */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}
::-webkit-scrollbar-track {
    background: var(--color-cool-white);
    border-left: 2px solid var(--color-line);
}
::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border: 2px solid var(--color-line);
    border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-deep);
}
::-webkit-scrollbar-corner {
    background: var(--color-line);
}