/* 1. 구글 폰트 불러오기 (Base64 폰트 데이터 대체) */

/* 2. 전역 스타일 및 초기화 */
*, :before, :after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --black: #0b0d10;
    --dark: #13161b;
    --dark-mid: #1c2028;
    --plat: #bcc3ce;
    --plat-lt: #d6dce6;
    --plat-dim: #8a94a2;
    --off-white: #f2f3f5;
    --soft-grey: #e8eaed;
    --mid-grey: #c4c8ce;
    --text-muted: #7a8494;
    --white: #fff;
    --serif: "Cormorant Garamond", "Noto Serif KR", Georgia, serif;
    --sans: "DM Sans", "Noto Sans KR", sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--off-white);
    color: var(--dark);
    font-family: var(--sans);
    font-weight: 300;
    line-height: 1.7;
    overflow-x: hidden;
}

/* 이미지 영역 스타일 */
.img-zone {
    background: #1a1c21;
    position: relative;
    overflow: hidden;
}

.img-zone:before {
    content: "";
    pointer-events: none;
    z-index: 0;
    background: repeating-linear-gradient(45deg, #bcc3ce0a 0 1px, transparent 1px 12px), 
                repeating-linear-gradient(-45deg, #bcc3ce0a 0 1px, transparent 1px 12px);
    position: absolute;
    inset: 0;
}

.img-zone-label {
    z-index: 1;
    text-align: center;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 20px;
    display: flex;
    position: absolute;
    inset: 0;
}

.img-zone-label .iz-icon {
    border: 1px solid #bcc3ce4d;
    border-radius: 50%;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    margin-bottom: 4px;
    display: flex;
}

.img-zone-label .iz-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--plat-dim);
    fill: none;
    stroke-width: 1.2px;
}

.img-zone-label .iz-title {
    font-family: var(--sans);
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--plat-lt);
    font-size: 11px;
    font-weight: 500;
}

.img-zone-label .iz-desc {
    font-family: var(--sans);
    color: #bcc3ce73;
    max-width: 200px;
    font-size: 11px;
    line-height: 1.6;
}

.img-zone-label .iz-res {
    font-family: var(--sans);
    color: #bcc3ce4d;
    letter-spacing: .12em;
    border: 1px solid #bcc3ce26;
    margin-top: 4px;
    padding: 3px 10px;
    font-size: 10px;
}

.img-zone.light {
    background: var(--soft-grey);
}

.img-zone.light:before {
    background: repeating-linear-gradient(45deg, rgba(0,0,0,0.03) 0 1px, transparent 1px 12px), 
                repeating-linear-gradient(-45deg, rgba(0,0,0,0.03) 0 1px, transparent 1px 12px);
}

.img-zone.light .iz-icon {
    border-color: #0000001f;
}

.img-zone.light .iz-icon svg {
    stroke: var(--text-muted);
}

.img-zone.light .iz-title {
    color: var(--dark);
}

.img-zone.light .iz-desc {
    color: var(--text-muted);
}

.img-zone.light .iz-res {
    color: var(--text-muted);
    border-color: #0000001f;
}

/* 내비게이션 */
nav {
    z-index: 100;
    justify-content: space-between;
    align-items: center;
    padding: 28px 60px;
    transition: background .6s, padding .4s;
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
}

nav.scrolled {
    backdrop-filter: blur(14px);
    background: #0b0d10f0;
    padding: 18px 60px;
}

.nav-logo {
    font-family: var(--serif);
    letter-spacing: .32em;
    text-transform: uppercase;
    color: var(--white);
    font-size: 13px;
    text-decoration: none;
}

.nav-links {
    gap: 38px;
    list-style: none;
    display: flex;
}

.nav-links a {
    font-family: var(--sans);
    letter-spacing: .2em;
    text-transform: uppercase;
    color: #ffffff8c;
    font-size: 11px;
    text-decoration: none;
    transition: color .3s;
}

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

.nav-cta {
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--plat);
    border: 1px solid var(--plat);
    font-size: 11px;
    font-family: var(--sans);
    padding: 9px 22px;
    text-decoration: none;
    transition: background .3s, color .3s;
}

.nav-cta:hover {
    background: var(--plat);
    color: var(--black);
}

/* Hero 영역 */
#hero {
    background: var(--black);
    justify-content: center;
    align-items: center;
    height: 100vh;
    min-height: 700px;
    display: flex;
    position: relative;
    overflow: hidden;
}

.hero-video-wrap {
    pointer-events: none;
    z-index: 0;
    background-image: url('images/poster-hero.jpg');
    background-position: center;
    background-size: cover;
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-video-wrap iframe {
    border: 0;
    width: 100vw;
    min-width: 177.78vh;
    height: 56.25vw;
    min-height: 100vh;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-overlay {
    z-index: 1;
    background: linear-gradient(#0b0d108c 0%, #0b0d1059 40%, #0b0d108c 100%);
    position: absolute;
    inset: 0;
}

.hero-grain {
    z-index: 2;
    opacity: .2;
    pointer-events: none;
    background-image: url("../images/REPLACE_ME");
    position: absolute;
    inset: 0;
}

.hero-vline {
    background: linear-gradient(to bottom, transparent, var(--plat), transparent);
    opacity: .22;
    z-index: 3;
    width: 1px;
    height: 160px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.hero-vline.l {
    left: 60px;
}

.hero-vline.r {
    right: 60px;
}

.hero-content {
    z-index: 4;
    text-align: center;
    max-width: 820px;
    padding: 0 40px;
    position: relative;
}

.hero-eyebrow {
    font-family: var(--sans);
    letter-spacing: .5em;
    text-transform: uppercase;
    color: var(--plat-dim);
    opacity: 0;
    margin-bottom: 28px;
    font-size: 10px;
    animation: 1s .3s forwards fadeUp;
}

.hero-title {
    font-family: var(--serif);
    color: var(--white);
    opacity: 0;
    margin-bottom: 14px;
    font-size: clamp(62px, 9vw, 118px);
    font-weight: 300;
    line-height: .92;
    animation: 1.1s .5s forwards fadeUp;
}

.hero-title em {
    color: var(--plat-lt);
    font-style: italic;
}

.hero-subtitle {
    font-family: var(--serif);
    color: #ffffff80;
    letter-spacing: .06em;
    opacity: 0;
    margin-bottom: 14px;
    font-size: clamp(16px, 2.2vw, 24px);
    font-style: italic;
    font-weight: 300;
    animation: 1.1s .65s forwards fadeUp;
}

.hero-tag {
    font-family: var(--sans);
    letter-spacing: .3em;
    text-transform: uppercase;
    color: #bcc3ce73;
    opacity: 0;
    margin-bottom: 54px;
    font-size: 10px;
    animation: 1s .8s forwards fadeUp;
}

.hero-actions {
    opacity: 0;
    justify-content: center;
    align-items: center;
    gap: 20px;
    animation: 1s 1s forwards fadeUp;
    display: flex;
}

/* 버튼 스타일 */
.btn-plat {
    font-family: var(--sans);
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--black);
    background: var(--plat);
    padding: 15px 36px;
    font-size: 11px;
    text-decoration: none;
    transition: background .3s, transform .2s;
    display: inline-block;
}

.btn-plat:hover {
    background: var(--plat-lt);
    transform: translateY(-1px);
}

.btn-ghost {
    font-family: var(--sans);
    letter-spacing: .2em;
    text-transform: uppercase;
    color: #ffffff8c;
    border-bottom: 1px solid #ffffff4d;
    padding-bottom: 2px;
    font-size: 11px;
    text-decoration: none;
    transition: color .3s, border-color .3s;
}

.btn-ghost:hover {
    color: var(--plat-lt);
    border-color: var(--plat);
}

.hero-scroll {
    z-index: 4;
    opacity: 0;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: 1s 1.6s forwards fadeIn;
    display: flex;
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translate(-50%);
}

.hero-scroll span {
    letter-spacing: .32em;
    text-transform: uppercase;
    color: #ffffff4d;
    font-size: 9px;
    font-family: var(--sans);
}

.scroll-line {
    background: linear-gradient(to bottom, var(--plat-dim), transparent);
    width: 1px;
    height: 38px;
    animation: 2s infinite scrollPulse;
}

/* Story 영역 */
#story {
    background: var(--dark);
    grid-template-columns: 1fr 1fr;
    min-height: 680px;
    padding: 0;
    display: grid;
}

.story-img-col {
    background: var(--black);
    min-height: 480px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.story-img-col img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center center;
    display: block;
}

.story-content-col {
    flex-direction: column;
    justify-content: center;
    padding: 100px 72px;
    display: flex;
}

.section-label {
    font-family: var(--sans);
    letter-spacing: .42em;
    text-transform: uppercase;
    color: var(--plat-dim);
    margin-bottom: 22px;
    font-size: 10px;
    display: block;
}

.story-heading {
    font-family: var(--serif);
    color: var(--white);
    margin-bottom: 28px;
    font-size: clamp(36px, 4vw, 60px);
    font-weight: 300;
    line-height: 1.1;
}

.story-heading em {
    color: var(--plat-lt);
    font-style: italic;
}

.story-body {
    font-family: var(--sans);
    color: #ffffff73;
    margin-bottom: 24px;
    font-size: 14px;
    line-height: 1.95;
}

.stat-row {
    border: 1px solid #bcc3ce1f;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    margin-top: 44px;
    display: grid;
}

.stat-item {
    border-right: 1px solid #bcc3ce1a;
    padding: 22px 18px;
}

.stat-item:last-child {
    border-right: none;
}

.stat-num {
    font-family: var(--serif);
    color: var(--plat);
    font-size: 36px;
    font-weight: 300;
    display: block;
}

.stat-label {
    letter-spacing: .16em;
    text-transform: uppercase;
    color: #ffffff42;
    font-size: 10px;
    font-family: var(--sans);
    margin-top: 3px;
}

.plat-divider {
    background: linear-gradient(to right, transparent, var(--plat-dim), transparent);
    opacity: .2;
    height: 1px;
}

/* Products 영역 */
#products {
    background: var(--off-white);
    padding: 140px 60px;
}

.products-header {
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 68px;
    display: flex;
}

.products-heading {
    font-family: var(--serif);
    color: var(--dark);
    font-size: clamp(36px, 5vw, 68px);
    font-weight: 300;
    line-height: 1.05;
}

.products-heading em {
    color: var(--plat-dim);
    font-style: italic;
}

.products-note {
    font-family: var(--sans);
    color: var(--text-muted);
    text-align: right;
    max-width: 240px;
    font-size: 13px;
    line-height: 1.7;
}

.products-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 2px;
    display: grid;
}

.pc {
    background: var(--white);
    transition: transform .4s cubic-bezier(.25, .46, .45, .94);
    position: relative;
    overflow: hidden;
}

.pc:hover {
    transform: translateY(-6px);
}

.pc:hover .pc-reveal {
    opacity: 1;
    transform: translateY(0);
}

.pc-img-zone {
    width: 100%;
    padding-bottom: 100%;
    position: relative;
    overflow: hidden;
}

.pc-img-zone .img-zone {
    height: 100%;
    position: absolute;
    inset: 0;
}

.pc-img-zone img {
    object-fit: cover;
    object-position: center center;
    width: 100%;
    height: 100%;
    display: block;
    position: absolute;
    inset: 0;
}

.pc-step {
    z-index: 2;
    font-family: var(--sans);
    letter-spacing: .24em;
    text-transform: uppercase;
    color: var(--plat-dim);
    font-size: 9px;
    position: absolute;
    top: 13px;
    left: 13px;
}

.pc-body {
    padding: 20px 18px 24px;
}

.pc-type {
    letter-spacing: .28em;
    text-transform: uppercase;
    color: var(--plat-dim);
    font-size: 9px;
    font-family: var(--sans);
    margin-bottom: 7px;
}

.pc-name {
    font-family: var(--serif);
    color: var(--dark);
    margin-bottom: 7px;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.3;
}

.pc-vol {
    font-family: var(--sans);
    color: var(--text-muted);
    font-size: 11px;
}

.pc-desc {
    font-family: var(--sans);
    color: var(--text-muted);
    margin-top: 5px;
    font-size: 11px;
    line-height: 1.6;
}

.pc-badge {
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--plat-dim);
    font-size: 9px;
    font-family: var(--sans);
    border: 1px solid #bcc3ce47;
    margin-top: 9px;
    padding: 3px 9px;
    display: inline-block;
}

.pc-reveal {
    opacity: 0;
    background: #0b0d10eb;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 13px;
    transition: opacity .4s, transform .4s;
    display: flex;
    position: absolute;
    inset: 0;
    transform: translateY(8px);
}

.pc-reveal-text {
    font-family: var(--serif);
    color: #ffffff85;
    text-align: center;
    padding: 0 18px;
    font-size: 13px;
    font-style: italic;
    line-height: 1.65;
}

.pc-reveal-link {
    font-family: var(--sans);
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--plat);
    border-bottom: 1px solid #bcc3ce4d;
    padding-bottom: 2px;
    font-size: 10px;
    text-decoration: none;
}

/* Texture 영역 */
#texture {
    background: var(--black);
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2px;
    min-height: 440px;
    padding: 0;
    display: grid;
}

.tex-cell {
    background: var(--black);
    min-height: 440px;
    position: relative;
    overflow: hidden;
}

.tex-cell .img-zone {
    height: 100%;
    min-height: 440px;
}

.tex-video-wrap {
    pointer-events: none;
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.tex-video-wrap iframe {
    border: 0;
    width: 40vw;
    height: 40vw;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.tex-video-tint {
    pointer-events: none;
    z-index: 1;
    background: #0b0d1014;
    position: absolute;
    inset: 0;
}

.tex-overlay {
    z-index: 3;
    background: linear-gradient(transparent, #0b0d10d9);
    padding: 28px 24px;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.tex-label {
    font-family: var(--sans);
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--plat-dim);
    margin-bottom: 6px;
    font-size: 10px;
}

.tex-title {
    font-family: var(--serif);
    color: var(--white);
    font-size: 18px;
    font-weight: 400;
    line-height: 1.3;
}

/* Spotlight 영역 */
#spotlight {
    background: var(--dark-mid);
    grid-template-columns: 1fr 1fr;
    min-height: 680px;
    display: grid;
}

.spot-img-col {
    background: var(--black);
    min-height: 620px;
    position: relative;
    overflow: hidden;
}

.spot-img-col .img-zone {
    height: 100%;
}

.spot-video-wrap {
    pointer-events: none;
    background-image: url('images/poster-spotlight.jpg');
    background-position: center;
    background-size: cover;
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.spot-video-wrap iframe {
    border: 0;
    width: 2000px;
    height: 1125px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.spot-video-tint {
    pointer-events: none;
    z-index: 2;
    background: linear-gradient(135deg, #0b0d1026 0%, transparent 50%, #0b0d1026 100%);
    position: absolute;
    inset: 0;
}

.spot-content {
    flex-direction: column;
    justify-content: center;
    padding: 88px 70px;
    display: flex;
}

.spot-badge {
    align-items: center;
    gap: 8px;
    margin-bottom: 26px;
    display: inline-flex;
}

.badge-dot {
    background: var(--plat);
    border-radius: 50%;
    width: 5px;
    height: 5px;
}

.badge-text {
    letter-spacing: .3em;
    text-transform: uppercase;
    color: var(--plat-dim);
    font-size: 10px;
    font-family: var(--sans);
}

.spot-title {
    font-family: var(--serif);
    color: var(--white);
    margin-bottom: 20px;
    font-size: clamp(32px, 4vw, 56px);
    font-weight: 300;
    line-height: 1.1;
}

.spot-title em {
    color: var(--plat-lt);
    font-style: italic;
}

.spot-body {
    font-family: var(--sans);
    color: #ffffff6b;
    max-width: 380px;
    margin-bottom: 34px;
    font-size: 13px;
    line-height: 1.95;
}

.spot-feats {
    flex-direction: column;
    gap: 13px;
    margin-bottom: 34px;
    display: flex;
}

.feat-row {
    align-items: flex-start;
    gap: 13px;
    display: flex;
}

.feat-line {
    background: var(--plat-dim);
    opacity: .45;
    flex-shrink: 0;
    width: 20px;
    height: 1px;
    margin-top: 10px;
}

.feat-text {
    font-family: var(--sans);
    color: #ffffff85;
    font-size: 13px;
    line-height: 1.6;
}

.clin-box {
    background: #bcc3ce0d;
    border: 1px solid #bcc3ce24;
    padding: 26px;
}

.clin-box-title {
    letter-spacing: .32em;
    text-transform: uppercase;
    color: var(--plat-dim);
    font-size: 9px;
    font-family: var(--sans);
    margin-bottom: 16px;
}

.clin-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    display: grid;
}

.cs {
    text-align: center;
    border-right: 1px solid #bcc3ce17;
    padding: 14px 10px;
}

.cs:last-child {
    border-right: none;
}

.cs-num {
    font-family: var(--serif);
    color: var(--plat-lt);
    font-size: 30px;
    font-weight: 300;
    display: block;
}

.cs-label {
    color: #ffffff47;
    font-size: 10px;
    font-family: var(--sans);
    margin-top: 4px;
    line-height: 1.4;
}

.clin-note {
    font-family: var(--sans);
    color: #ffffff2e;
    margin-top: 13px;
    font-size: 10px;
    line-height: 1.6;
}

/* Ingredients 영역 */
#ingredients {
    background: var(--white);
    padding: 140px 60px;
}

.section-header {
    text-align: center;
    margin-bottom: 88px;
}

.section-heading {
    font-family: var(--serif);
    color: var(--dark);
    margin-bottom: 18px;
    font-size: clamp(36px, 5vw, 68px);
    font-weight: 300;
    line-height: 1.1;
}

.section-heading em {
    color: var(--plat-dim);
    font-style: italic;
}

.section-sub {
    font-family: var(--sans);
    color: var(--text-muted);
    max-width: 440px;
    margin: 0 auto;
    font-size: 13px;
    line-height: 1.85;
}

.ing-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    display: grid;
}

.ing-card {
    background: var(--soft-grey);
    transition: background .4s;
    overflow: hidden;
}

.ing-card:hover {
    background: var(--dark);
}

.ing-card:hover .ing-name,
.ing-card:hover .ing-body {
    color: #ffffffbf;
}

.ing-img-zone {
    height: 240px;
    position: relative;
}

.ing-img-zone .img-zone {
    height: 100%;
}

.ing-text {
    padding: 40px 38px 44px;
    position: relative;
    overflow: hidden;
}

.ing-bg-num {
    font-family: var(--serif);
    color: #0000000a;
    user-select: none;
    font-size: 100px;
    font-weight: 300;
    line-height: 1;
    transition: color .4s;
    position: absolute;
    top: -10px;
    right: -8px;
}

.ing-card:hover .ing-bg-num {
    color: #bcc3ce0f;
}

.ing-cat {
    letter-spacing: .34em;
    text-transform: uppercase;
    color: var(--plat-dim);
    font-size: 9px;
    font-family: var(--sans);
    margin-bottom: 10px;
}

.ing-name {
    font-family: var(--serif);
    color: var(--dark);
    margin-bottom: 16px;
    font-size: 24px;
    font-weight: 400;
    line-height: 1.25;
    transition: color .4s;
}

.ing-body {
    font-family: var(--sans);
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.85;
    transition: color .4s;
}

/* Eye Clinical 영역 */
#eye-clinical {
    background: var(--dark);
    grid-template-columns: 1fr 1fr;
    min-height: 600px;
    padding: 0;
    display: grid;
}

.ec-img-col {
    background: var(--black);
    min-height: 500px;
    position: relative;
    overflow: hidden;
}

.ec-img-col .img-zone {
    height: 100%;
}

.ec-video-wrap {
    pointer-events: none;
    background-image: url('images/poster-eye-clinical.jpg');
    background-position: center;
    background-size: cover;
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.ec-video-wrap iframe {
    border: 0;
    width: 2000px;
    height: 1125px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ec-video-tint {
    pointer-events: none;
    z-index: 2;
    background: linear-gradient(135deg, #0b0d1026 0%, transparent 50%, #0b0d1026 100%);
    position: absolute;
    inset: 0;
}

.ec-content {
    flex-direction: column;
    justify-content: center;
    padding: 90px 70px;
    display: flex;
}

.ec-heading {
    font-family: var(--serif);
    color: var(--white);
    margin-bottom: 18px;
    font-size: clamp(30px, 4vw, 50px);
    font-weight: 300;
    line-height: 1.1;
}

.ec-heading em {
    color: var(--plat-lt);
    font-style: italic;
}

.ec-body {
    font-family: var(--sans);
    color: #ffffff61;
    margin-bottom: 36px;
    font-size: 13px;
    line-height: 1.9;
}

.ec-stat-row {
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    margin-bottom: 36px;
    display: grid;
}

.ec-stat {
    text-align: center;
    background: #bcc3ce0a;
    border: 1px solid #bcc3ce1a;
    padding: 24px 20px;
}

.ec-stat-num {
    font-family: var(--serif);
    color: var(--plat-lt);
    font-size: 40px;
    font-weight: 300;
    display: block;
}

.ec-stat-label {
    color: #ffffff47;
    font-size: 10px;
    font-family: var(--sans);
    margin-top: 5px;
}

.ec-detail-box {
    background: #ffffff06;
    border: 1px solid #bcc3ce1a;
    padding: 26px;
}

.ec-detail-title {
    letter-spacing: .3em;
    text-transform: uppercase;
    color: var(--plat-dim);
    font-size: 9px;
    font-family: var(--sans);
    margin-bottom: 16px;
}

.ec-row {
    border-bottom: 1px solid #ffffff0a;
    grid-template-columns: 96px 1fr;
    gap: 14px;
    padding: 9px 0;
    display: grid;
}

.ec-row:last-child {
    border-bottom: none;
}

.ec-key {
    font-family: var(--sans);
    color: var(--plat-dim);
    font-size: 11px;
}

.ec-val {
    font-family: var(--sans);
    color: #ffffff4d;
    font-size: 11px;
    line-height: 1.65;
}

/* How to 영역 */
#howto {
    background: var(--soft-grey);
    padding: 140px 60px;
}

.howto-inner {
    max-width: 900px;
    margin: 0 auto;
}

.howto-header {
    text-align: center;
    margin-bottom: 68px;
}

.howto-heading {
    font-family: var(--serif);
    color: var(--dark);
    font-size: clamp(34px, 5vw, 62px);
    font-weight: 300;
    line-height: 1.1;
}

.step-row {
    border-bottom: 1px solid #bcc3ce38;
    grid-template-columns: 70px 220px 1fr;
    align-items: start;
    gap: 32px 36px;
    padding: 36px 0;
    display: grid;
}

.step-row:first-of-type {
    border-top: 1px solid #bcc3ce38;
}

.step-num {
    font-family: var(--serif);
    color: #bcc3ce47;
    text-align: right;
    padding-top: 2px;
    font-size: 44px;
    font-weight: 300;
    line-height: 1;
}

.step-img-zone {
    border-radius: 2px;
    height: 160px;
    overflow: hidden;
}

.step-img-zone .img-zone {
    border-radius: 2px;
    height: 100%;
}

.step-name {
    font-family: var(--serif);
    color: var(--dark);
    margin-bottom: 8px;
    font-size: 20px;
    font-weight: 400;
}

.step-desc {
    font-family: var(--sans);
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.85;
}

.step-vol {
    letter-spacing: .16em;
    color: var(--plat-dim);
    font-size: 10px;
    font-family: var(--sans);
    margin-top: 10px;
    display: inline-block;
}

/* Proof 영역 */
#proof {
    background: var(--black);
    padding: 120px 60px;
}

.proof-inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 80px;
    display: grid;
}

.proof-heading {
    font-family: var(--serif);
    color: var(--white);
    margin-bottom: 20px;
    font-size: clamp(30px, 4vw, 52px);
    font-weight: 300;
    line-height: 1.1;
}

.proof-heading em {
    color: var(--plat-lt);
    font-style: italic;
}

.proof-body {
    font-family: var(--sans);
    color: #ffffff5c;
    font-size: 13px;
    line-height: 1.95;
}

.cert-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2px;
    display: grid;
}

.cert-card {
    text-align: center;
    background: #ffffff06;
    border: 1px solid #bcc3ce1a;
    padding: 32px 24px;
    transition: border-color .3s, background .3s;
}

.cert-card:hover {
    background: #bcc3ce0a;
    border-color: #bcc3ce47;
}

.cert-icon {
    font-family: var(--serif);
    color: var(--plat);
    margin-bottom: 13px;
    font-size: 26px;
    display: block;
}

.cert-name {
    font-family: var(--sans);
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--plat-lt);
    margin-bottom: 8px;
    font-size: 11px;
}

.cert-desc {
    font-family: var(--sans);
    color: #ffffff47;
    font-size: 11px;
    line-height: 1.65;
}

.skin-strip {
    background: var(--dark-mid);
    border-top: 1px solid #bcc3ce12;
    margin-top: 48px;
    padding: 54px 60px;
}

.skin-inner {
    align-items: center;
    gap: 44px;
    max-width: 900px;
    margin: 0 auto;
    display: flex;
}

.skin-badge {
    border: 1px solid #bcc3ce38;
    border-radius: 50%;
    flex-direction: column;
    flex-shrink: 0;
    justify-content: center;
    align-items: center;
    gap: 2px;
    width: 74px;
    height: 74px;
    display: flex;
}

.skin-badge span:first-child {
    font-family: var(--sans);
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--plat);
    text-align: center;
    font-size: 9px;
    line-height: 1.3;
}

.skin-badge span:last-child {
    font-family: var(--serif);
    color: #bcc3ce73;
    font-size: 10px;
    font-style: italic;
}

.skin-title {
    font-family: var(--serif);
    color: var(--white);
    margin-bottom: 9px;
    font-size: 20px;
}

.skin-desc {
    font-family: var(--sans);
    color: #ffffff4d;
    font-size: 12px;
    line-height: 1.8;
}

/* B2B 영역 */
#b2b {
    background: var(--white);
    grid-template-columns: 1fr 1fr;
    min-height: 600px;
    padding: 0;
    display: grid;
}

.b2b-img-col {
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 500px;
    position: relative;
}

.b2b-logo {
    width: 52%;
    max-width: 320px;
    min-width: 160px;
    opacity: 0.88;
    display: block;
}

.b2b-content {
    flex-direction: column;
    justify-content: center;
    padding: 100px 72px;
    display: flex;
}

.b2b-eyebrow {
    letter-spacing: .42em;
    text-transform: uppercase;
    color: var(--plat-dim);
    font-size: 10px;
    font-family: var(--sans);
    margin-bottom: 20px;
    display: block;
}

.b2b-heading {
    font-family: var(--serif);
    color: var(--dark);
    margin-bottom: 20px;
    font-size: clamp(36px, 5vw, 62px);
    font-weight: 300;
    line-height: 1.1;
}

.b2b-heading em {
    color: var(--plat-dim);
    font-style: italic;
}

.b2b-body {
    font-family: var(--sans);
    color: var(--text-muted);
    margin-bottom: 42px;
    font-size: 13px;
    line-height: 1.95;
}

.b2b-actions {
    align-items: center;
    gap: 20px;
    margin-bottom: 48px;
    display: flex;
}

.btn-dark {
    font-family: var(--sans);
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--white);
    background: var(--dark);
    padding: 15px 34px;
    font-size: 11px;
    text-decoration: none;
    transition: background .3s;
    display: inline-block;
}

.btn-dark:hover {
    background: var(--black);
}

.btn-outline {
    font-family: var(--sans);
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--dark);
    border-bottom: 1px solid var(--mid-grey);
    padding-bottom: 2px;
    font-size: 11px;
    text-decoration: none;
    transition: color .3s, border-color .3s;
}

.btn-outline:hover {
    color: var(--plat-dim);
    border-color: var(--plat-dim);
}

.b2b-rows {
    flex-direction: column;
    display: flex;
}

.b2b-row {
    border-bottom: 1px solid #bcc3ce2e;
    grid-template-columns: 120px 1fr;
    align-items: start;
    gap: 16px;
    padding: 17px 0;
    display: grid;
}

.b2b-row:first-child {
    border-top: 1px solid #bcc3ce2e;
}

.b2b-key {
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--plat-dim);
    font-size: 10px;
    font-family: var(--sans);
}

.b2b-val {
    font-family: var(--sans);
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.7;
}

/* Footer 영역 */
footer {
    background: var(--black);
    padding: 76px 60px 42px;
}

.footer-top {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 52px;
    display: grid;
}

.footer-logo {
    font-family: var(--serif);
    letter-spacing: .4em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 17px;
    font-size: 11px;
    display: block;
}

.footer-tagline {
    font-family: var(--sans);
    color: #ffffff3d;
    max-width: 200px;
    font-size: 12px;
    line-height: 1.8;
}

.footer-col-title {
    letter-spacing: .34em;
    text-transform: uppercase;
    color: var(--plat-dim);
    font-size: 9px;
    font-family: var(--sans);
    margin-bottom: 20px;
}

.footer-links {
    flex-direction: column;
    gap: 11px;
    list-style: none;
    display: flex;
}

.footer-links a {
    font-family: var(--sans);
    color: #ffffff42;
    font-size: 12px;
    text-decoration: none;
    transition: color .3s;
}

.footer-links a:hover {
    color: var(--plat-lt);
}

.footer-contact p {
    font-family: var(--sans);
    color: #ffffff42;
    font-size: 12px;
    line-height: 1.9;
}

.footer-contact a {
    color: #ffffff42;
    text-decoration: none;
    transition: color .3s;
}

.footer-contact a:hover {
    color: var(--plat-lt);
}

.footer-bottom {
    border-top: 1px solid #ffffff0d;
    justify-content: space-between;
    align-items: center;
    padding-top: 26px;
    display: flex;
}

.footer-copy {
    font-family: var(--sans);
    color: #ffffff2b;
    font-size: 11px;
}

.footer-badges {
    gap: 12px;
    display: flex;
}

.f-badge {
    letter-spacing: .14em;
    text-transform: uppercase;
    color: #bcc3ce61;
    font-size: 10px;
    font-family: var(--sans);
    border: 1px solid #bcc3ce24;
    padding: 5px 11px;
}

/* 애니메이션 및 효과 */
@keyframes fadeUp {
    0% { opacity: 0; transform: translateY(22px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes scrollPulse {
    0%, 100% { opacity: .38; }
    50% { opacity: 1; }
}

.reveal {
    opacity: 0;
    transition: opacity .9s cubic-bezier(.25, .46, .45, .94), transform .9s cubic-bezier(.25, .46, .45, .94);
    transform: translateY(26px);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.d1 { transition-delay: .1s; }
.d2 { transition-delay: .2s; }
.d3 { transition-delay: .3s; }
.d4 { transition-delay: .4s; }


/* ─────────────────────────────────────────────
 * 이미지 공통 유틸리티
 * ───────────────────────────────────────────── */
.img-cover {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.img-cover--top {
    object-position: center top;
}

.step-img-zone img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.ing-img-zone {
    height: 240px;
    position: relative;
    overflow: hidden;
}

.ing-img-zone img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
}


/* ─────────────────────────────────────────────
 * Video Poster — 영상 로드 전 첫 프레임 이미지
 * ───────────────────────────────────────────── */
.video-poster {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 1;
    pointer-events: none;
}



/* 미디어 쿼리 (반응형) */

/* ── 태블릿 (≤1100px) */
@media (max-width: 1100px) {
    nav { padding: 24px 32px; }
    nav.scrolled { padding: 16px 32px; }
    .nav-links { display: none; }

    #story, #spotlight, #eye-clinical, #b2b { grid-template-columns: 1fr; }
    .story-img-col, .spot-img-col, .ec-img-col, .b2b-img-col { min-height: 320px; }

    /* Texture: 1열, iframe 비율 수정 */
    #texture { grid-template-columns: 1fr; }
    .tex-cell, .tex-cell .img-zone { min-height: 280px; }
    .tex-video-wrap iframe { width: 100vw; height: 56.25vw; min-height: 280px; }

    .story-content-col, .spot-content, .ec-content, .b2b-content { padding: 60px 36px; }

    /* Products: 3열 */
    .products-grid { grid-template-columns: repeat(3, 1fr); }

    /* Ingredients: 2열 (1열 대신) */
    .ing-grid { grid-template-columns: 1fr 1fr; }

    #howto, #ingredients, #products, #proof { padding: 90px 32px; }

    /* Howto steps */
    .step-row { grid-template-columns: 50px 1fr; grid-template-rows: auto auto; }
    .step-img-zone { grid-column: 2; height: 140px; }
    .step-text { grid-column: 2; }

    /* Cert grid: 2열 유지 */
    .cert-grid { grid-template-columns: 1fr 1fr; }

    .skin-strip { padding: 44px 32px; }
    .skin-inner { flex-direction: column; gap: 20px; }

    footer { padding: 54px 32px 34px; }
    .footer-top { grid-template-columns: 1fr; gap: 32px; }

    /* proof-inner: 상단 패딩 복구 */
    .proof-inner { grid-template-columns: 1fr; padding: 80px 32px; }
}

/* ── 모바일 대형 (≤768px) */
@media (max-width: 768px) {
    /* Hero 버튼 세로 스택 */
    .hero-actions { flex-direction: column; align-items: center; gap: 16px; }
    .btn-plat, .btn-ghost { width: 100%; text-align: center; max-width: 280px; }

    /* Products: 2열 */
    .products-grid { grid-template-columns: 1fr 1fr; }
    .products-header { flex-direction: column; align-items: flex-start; gap: 14px; }
    .products-note { text-align: left; }
}

/* ── 모바일 (≤680px) */
@media (max-width: 680px) {
    .stat-row, .ec-stat-row, .clin-stats { grid-template-columns: 1fr; }
    .b2b-actions { flex-direction: column; align-items: flex-start; }

    /* Howto: 1열 단순화 */
    .step-row { grid-template-columns: 1fr; }
    .step-num { display: none; }
    .step-img-zone, .step-text { grid-column: 1; }
    .step-img-zone { height: auto; aspect-ratio: 3 / 2; }
    .step-img-zone img { object-position: center center; }

    /* Ingredients: 1열 */
    .ing-grid { grid-template-columns: 1fr; }

    /* Cert grid: 1열 */
    .cert-grid { grid-template-columns: 1fr; }

    /* Footer bottom: 세로 스택 */
    .footer-bottom { flex-direction: column; align-items: flex-start; gap: 14px; }
}

/* ── 모바일 소형 (≤480px) */
@media (max-width: 480px) {
    nav { padding: 18px 20px; }
    nav.scrolled { padding: 12px 20px; }
    .nav-cta { padding: 7px 14px; font-size: 10px; }

    #hero { min-height: 600px; }
    .hero-content { padding: 0 24px; }
    .hero-tag { letter-spacing: .18em; }

    .story-content-col, .spot-content, .ec-content, .b2b-content { padding: 48px 24px; }
    #howto, #ingredients, #products, #proof { padding: 72px 20px; }

    /* Products: 1열 */
    .products-grid { grid-template-columns: 1fr; }

    .b2b-logo { width: 60%; }

    .skin-strip { padding: 36px 20px; }
    footer { padding: 44px 20px 28px; }
}

/* 쿠키 배너 및 법적 고지 관련 스타일 */
.cookie-banner {
    -webkit-backdrop-filter: blur(14px);
    z-index: 9999;
    max-width: 760px;
    color: var(--soft-grey);
    letter-spacing: .01em;
    background: #0b0d10f2;
    border: 1px solid #bcc3ce2e;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    margin: 0 auto;
    padding: 18px 24px;
    font-family: DM Sans, sans-serif;
    font-size: 13px;
    display: none;
    position: fixed;
    bottom: 24px;
    left: 24px;
    right: 24px;
}

.cookie-banner.show {
    display: flex;
}

.cookie-text {
    flex: 1;
    line-height: 1.55;
}

.cookie-text a {
    color: var(--plat-lt);
    text-underline-offset: 2px;
    text-decoration: underline;
}

.cookie-text a:hover {
    color: var(--off-white);
}

.cookie-accept {
    background: var(--plat);
    color: var(--black);
    letter-spacing: .14em;
    text-transform: uppercase;
    cursor: pointer;
    border: none;
    flex-shrink: 0;
    padding: 10px 24px;
    font-family: DM Sans, sans-serif;
    font-size: 11px;
    font-weight: 500;
    transition: opacity .2s;
}

.cookie-accept:hover {
    opacity: .85;
}

@media (width <= 640px) {
    .cookie-banner {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px;
        bottom: 16px;
        left: 16px;
        right: 16px;
    }
    .cookie-accept {
        align-self: stretch;
    }
}

.footer-legal {
    letter-spacing: .08em;
    text-transform: uppercase;
    align-items: center;
    gap: 8px;
    font-family: DM Sans, sans-serif;
    font-size: 11px;
    display: flex;
}

.footer-legal a {
    color: var(--plat-dim);
    text-decoration: none;
    transition: color .2s;
}

.footer-legal a:hover {
    color: var(--plat-lt);
}

.footer-legal .legal-sep {
    color: var(--plat-dim);
    opacity: .5;
}
/* ═════════════════════════════════════════════
   Ver 1.5 KR B2C — 국문 조정 + 구매 브릿지 + 파트너
   ═════════════════════════════════════════════ */

/* 깨진 그레인 이미지(REPLACE_ME) 404 방지 */
.hero-grain { background-image: none; }

/* 국문 타이포 조정: 한글에는 과한 자간·이탤릭이 어색함 */
:lang(ko) body { word-break: keep-all; }
.hero-title {
    font-size: clamp(44px, 7vw, 88px);
    line-height: 1.2;
    font-weight: 400;
    margin-bottom: 26px;
}
.hero-subtitle { letter-spacing: 0; margin-bottom: 20px; }
.hero-tag { letter-spacing: 0.14em; }
.nav-links a { letter-spacing: 0.08em; }
.btn-plat, .btn-ghost, .nav-cta { letter-spacing: 0.1em; }
.hero-title, .story-heading, .products-heading, .section-heading,
.spot-title, .ec-heading, .howto-heading, .proof-heading, .b2b-heading {
    font-style: normal;
    letter-spacing: -0.01em;
}
.hero-title em, .story-heading em, .products-heading em, .section-heading em,
.spot-title em, .ec-heading em, .proof-heading em, .b2b-heading em {
    font-style: normal;
    color: var(--plat);
}
.hero-subtitle { font-style: normal; }

/* ── 구매하기(채널 브릿지) 섹션 ── */
#buy {
    background: var(--black);
    padding: 120px 6vw 140px;
    text-align: center;
}
.buy-eyebrow {
    font-family: var(--sans);
    font-size: 12px;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--plat-dim);
    display: block;
    margin-bottom: 20px;
}
.buy-heading {
    font-family: var(--serif);
    font-size: clamp(34px, 4.6vw, 62px);
    font-weight: 400;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 18px;
}
.buy-heading em { font-style: normal; color: var(--plat); }
.buy-sub {
    font-family: var(--sans);
    font-size: 15px;
    font-weight: 300;
    color: var(--plat-dim);
    max-width: 520px;
    margin: 0 auto 56px;
    line-height: 1.8;
}
.channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 340px));
    gap: 20px;
    justify-content: center;
    max-width: 1100px;
    margin: 0 auto;
}
.channel-card {
    display: block;
    text-decoration: none;
    background: var(--dark-mid);
    border: 1px solid rgba(188, 195, 206, 0.18);
    padding: 42px 34px 38px;
    text-align: left;
    transition: border-color 0.35s ease, transform 0.35s ease, background 0.35s ease;
}
.channel-card:hover {
    border-color: var(--plat);
    background: var(--dark);
    transform: translateY(-4px);
}
.channel-tag {
    font-family: var(--sans);
    font-size: 11px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--plat-dim);
    display: block;
    margin-bottom: 14px;
}
.channel-name {
    font-family: var(--serif);
    font-size: 26px;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 10px;
}
.channel-desc {
    font-family: var(--sans);
    font-size: 13.5px;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 22px;
}
.channel-go {
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 0.12em;
    color: var(--plat-lt);
}
.channel-card:hover .channel-go { color: var(--plat); }
.buy-note {
    font-family: var(--sans);
    font-size: 12.5px;
    font-weight: 300;
    color: var(--text-muted);
    margin-top: 44px;
    line-height: 1.8;
}

/* ── 파트너(B2B 컴팩트) 스트립 ── */
#partners {
    background: var(--soft-grey);
    padding: 72px 6vw;
}
.partners-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}
.partners-copy .partners-label {
    font-family: var(--sans);
    font-size: 11px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-muted);
    display: block;
    margin-bottom: 10px;
}
.partners-copy h3 {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 8px;
}
.partners-copy p {
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 560px;
}
.partners-cta {
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--dark);
    border: 1px solid var(--dark);
    padding: 16px 34px;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.3s ease, color 0.3s ease;
}
.partners-cta:hover { background: var(--dark); color: var(--white); }

/* ── 임상 디스클레이머 공통 ── */
.claim-disclaimer {
    font-family: var(--sans);
    font-size: 11.5px;
    font-weight: 300;
    color: var(--text-muted);
    line-height: 1.7;
    margin-top: 14px;
}

/* ── 법적 고지 페이지 (privacy / cookies) ── */
.legal-page {
    background: var(--off-white);
    min-height: 100vh;
    padding: 160px 6vw 100px;
}
.legal-wrap {
    max-width: 760px;
    margin: 0 auto;
}
.legal-wrap .section-label { margin-bottom: 16px; display: block; }
.legal-title {
    font-family: var(--serif);
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 500;
    color: var(--dark);
    line-height: 1.25;
    margin-bottom: 12px;
}
.legal-date {
    font-family: var(--sans);
    font-size: 12.5px;
    color: var(--text-muted);
    margin-bottom: 48px;
}
.legal-wrap h2 {
    font-family: var(--sans);
    font-size: 17px;
    font-weight: 500;
    color: var(--dark);
    margin: 44px 0 12px;
}
.legal-wrap p, .legal-wrap li {
    font-family: var(--sans);
    font-size: 14.5px;
    font-weight: 300;
    color: #3d4450;
    line-height: 1.85;
}
.legal-wrap ul { padding-left: 20px; margin: 8px 0 16px; }
.legal-wrap table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0 24px;
    font-family: var(--sans);
    font-size: 13.5px;
}
.legal-wrap th, .legal-wrap td {
    border: 1px solid var(--mid-grey);
    padding: 10px 14px;
    text-align: left;
    vertical-align: top;
    font-weight: 300;
    color: #3d4450;
    line-height: 1.6;
}
.legal-wrap th {
    background: var(--soft-grey);
    font-weight: 500;
    color: var(--dark);
    white-space: nowrap;
}
.legal-back {
    display: inline-block;
    margin-top: 56px;
    font-family: var(--sans);
    font-size: 13px;
    letter-spacing: 0.12em;
    color: var(--dark);
    text-decoration: none;
    border-bottom: 1px solid var(--dark);
    padding-bottom: 2px;
}
.legal-note {
    background: var(--soft-grey);
    padding: 18px 22px;
    font-size: 13px !important;
    margin: 16px 0;
}

/* ── 국/영문 전환 토글 ── */
.nav-right {
    display: flex;
    align-items: center;
    gap: 14px;
}
.nav-lang {
    font-family: var(--sans);
    font-size: 11px;
    letter-spacing: 0.15em;
    color: #ffffff8c;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 8px 14px;
    transition: color 0.3s, border-color 0.3s;
    white-space: nowrap;
}
.nav-lang:hover {
    color: var(--plat-lt);
    border-color: var(--plat);
}

/* Original clinical report values: readable study notes and full precision. */
#spotlight .cs-num, #eye-clinical .ec-stat-num { white-space: nowrap; }
#spotlight .cs-label, #eye-clinical .ec-stat-label { color: #bcc3ce; font-size: 12px; }
#spotlight .clin-note, #spotlight .claim-disclaimer, #eye-clinical .claim-disclaimer { color: #bcc3ce; font-size: 12px; line-height: 1.7; }

/* Main website return links — shared Korean and English navigation. */
.highlight-nav { gap: 24px; padding-top: 12px; padding-bottom: 16px; background: linear-gradient(#0b0d10e6, #0b0d1080 75%, transparent); }
.highlight-nav.scrolled { padding-top: 6px; padding-bottom: 12px; background: #0b0d10f5; }
.nav-brand { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; }
.nav-main-site, .footer-main-site { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--plat-lt); font-family: var(--sans); font-size: 12px; font-weight: 400; line-height: 1.4; letter-spacing: .03em; text-decoration: none; }
.nav-main-site svg, .footer-main-site svg { flex: 0 0 18px; }
.nav-main-site:hover, .footer-main-site:hover { color: var(--white); }
.nav-main-site:focus-visible, .footer-main-site:focus-visible, .footer-home:focus-visible { outline: 1px solid var(--plat-lt); outline-offset: 4px; }
.footer-home { text-decoration: none; }
.footer-main-site { margin-top: 16px; }
.highlight-nav .nav-right { flex-shrink: 0; }
@media (max-width: 1100px) {
  .highlight-nav .nav-logo { letter-spacing: .16em; }
}
@media (max-width: 480px) {
  .highlight-nav, .highlight-nav.scrolled { gap: 12px; padding: 4px 20px 12px; }
  .highlight-nav .nav-logo { font-size: 11px; line-height: 1.5; letter-spacing: .06em; white-space: nowrap; }
  .highlight-nav .nav-right { gap: 8px; }
  .highlight-nav .nav-lang { padding: 0 10px; min-height: 44px; display: inline-flex; align-items: center; }
  .highlight-nav .nav-cta { padding: 0 12px; min-height: 44px; display: inline-flex; align-items: center; }
}

/* Keep the original desktop background-film layout.
   On stacked screens, use a responsive cover with a modest 12% crop
   instead of a fixed 2000px canvas. The original 320px film zone stays. */
@media (max-width: 1100px) {
    .spot-video-wrap iframe, .ec-video-wrap iframe {
        width: max(100vw, 568.8889px);
        height: max(56.25vw, 320px);
        transform: translate(-50%, -50%) scale(1.12);
    }
}

/* 2026-10-20: bilingual legal-page navigation and narrow-screen tables only. */
.legal-document nav { gap: 16px; }
.legal-document .nav-logo { margin-right: auto; }
.legal-document .nav-cta { min-height: 44px; display: inline-flex; align-items: center; }
.legal-document .legal-wrap { overflow-wrap: anywhere; }
.legal-document .legal-wrap table { table-layout: fixed; }
.legal-document .legal-wrap th { white-space: normal; }
@media (max-width: 680px) {
  .legal-document nav, .legal-document nav.scrolled { display: flex; flex-wrap: wrap; justify-content: flex-start; gap: 8px; padding: 16px 20px; }
  .legal-document .nav-logo { flex-basis: 100%; font-size: 12px; letter-spacing: .12em; }
  .legal-document .nav-cta { font-size: 11px; letter-spacing: .04em; padding: 8px 12px; }
  .legal-document .legal-page { padding: 150px 20px 70px; }
  .legal-document .legal-wrap th, .legal-document .legal-wrap td { padding: 8px; font-size: 12.5px; }
}

/* 2026-10-21: preserve black film design; improve text contrast and touch reading. */
.hero-content { isolation:isolate; padding-top:24px; padding-bottom:24px; }
.hero-overlay { background:linear-gradient(#0b0d108c 0%,#0b0d10b3 45%,#0b0d10b3 60%,#0b0d108c 100%); }
.hero-eyebrow,.hero-tag { color:#d6dce6; font-size:12px; letter-spacing:.14em; }
.hero-subtitle { color:#e1e4ea; }
.hero-scroll span { color:#c4c8ce; font-size:12px; }
.nav-links a,.nav-lang { color:#d6dce6; font-size:12px; }
.hero-actions .btn-plat,.hero-actions .btn-ghost { min-height:44px; font-size:13px; display:inline-flex; align-items:center; justify-content:center; }
.section-label { font-size:12px; letter-spacing:.18em; }
.story-body,.spot-body,.ec-body,.buy-sub,.buy-note,.footer-tagline,.footer-contact p { font-size:16px; color:#c4c8ce; }
.stat-label { font-size:12px; color:#c4c8ce; letter-spacing:.08em; }
.pc-type,.pc-step,.pc-badge { font-size:12px; letter-spacing:.1em; color:#586270; }
.pc-name { font-size:20px; }
.pc-vol,.pc-desc { font-size:15px; color:#515b69; line-height:1.7; }
.pc-reveal-text { font-size:15px; color:#e1e4ea; }
.pc-reveal-link { font-size:12px; min-height:44px; display:inline-flex; align-items:center; }
.ing-body { font-size:16px; }
.ing-cat,.tex-label,.step-label,.cert-label,.footer-col-title,.f-badge { font-size:12px; }
.ec-key,.ec-val { font-size:14px; }
.footer-links a,.footer-copy,.footer-legal a { font-size:13px; }
.footer-links a { display:inline-block; min-height:36px; }
.footer-legal { align-items:center; flex-wrap:wrap; }
#spotlight .clin-note,#spotlight .claim-disclaimer,#eye-clinical .claim-disclaimer { font-size:14px; line-height:1.8; }
.legal-wrap p,.legal-wrap li { font-size:16px; }
@media(max-width:680px) {
 .hero-content { padding-left:24px; padding-right:24px; }
 .hero-title { font-size:clamp(36px,9.5vw,54px); }
 .hero-subtitle { font-size:18px; }
 .hero-tag { margin-bottom:28px; }
 .hero-eyebrow { margin-bottom:18px; letter-spacing:.12em; }
 .hero-actions { gap:12px; }
 .nav-main-site,.footer-main-site { font-size:13px; }
 .story-body,.spot-body,.ec-body,.ing-body,.products-note { font-size:16px; line-height:1.85; }
 .pc-body { padding:22px; }
 .pc-vol,.pc-desc,.pc-reveal-text { font-size:15px; }
 .pc-name { font-size:23px; }
 .stat-label { font-size:13px; }
 .legal-document .legal-wrap th,.legal-document .legal-wrap td { font-size:13px; }
}
@media(prefers-reduced-motion:reduce) {
 html { scroll-behavior:auto; }
 .reveal,.hero-eyebrow,.hero-title,.hero-subtitle,.hero-tag,.hero-actions,.hero-scroll { animation:none!important; opacity:1!important; transform:none!important; }
}

/* Touch layouts expose product information without a sticky hover overlay. */
section[id] { scroll-margin-top:110px; }
#products .products-heading em,#ingredients .section-heading em,#howto .howto-heading em { color:#586270; }
#products .section-label,#ingredients .section-label,#howto .section-label { color:#586270; }
.products-note { color:#515b69; }
.ing-body { color:#515b69; }
.ing-cat { color:#586270; }
.ing-card:hover .ing-cat { color:#d6dce6; }
.channel-desc { color:#c4c8ce; font-size:15px; }
@media(max-width:768px),(hover:none) {
 .pc:hover { transform:none; }
 .pc-reveal { position:static; opacity:1; transform:none; background:transparent; padding:0 22px 24px; align-items:flex-start; gap:10px; }
 .pc-reveal-text { color:#515b69; text-align:left; padding:0; font:400 15px/1.75 var(--sans); }
 .pc-reveal-link { color:#27313e; letter-spacing:.06em; }
}

/* 2026-10-22: readable supporting text on light and dark surfaces.
   Collection hero cards share the other cards' white surface and text colors.
   Keep the desktop dark hover overlay independent from the mobile text layout. */
.pc-step { background:#f2f3f5; padding:3px 6px; }
#ingredients .section-sub,.step-desc,.partners-copy p { color:#515b69; }
.step-vol,.step-num,.partners-copy .partners-label { color:#586270; }
.ec-val,.proof-body,.cert-desc,.skin-desc,.skin-badge span:last-child,
.footer-links a,.footer-contact a,.footer-copy,.f-badge,footer .privacy-settings { color:#c4c8ce; }