.container { width: 1400px; margin: 0 auto; position: relative; }
.section { padding: 140px 0; position: relative; }

/* Gold text utility */
.gold-text, .gold, .gold-light {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}
span.gold-text {
    background-image: var(--gold-img);
    background-size: cover;
    background-position: center;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--gold);
}
.black-text {
    color: var(--black);
    font-weight: 700;
}
.gold-light {
    background: linear-gradient(135deg, #e5cd92 0%, #f5e3b1 50%, #c9a661 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   SECTION HEADERS (common)
============================================ */
.section-head { text-align: center; margin-bottom: 70px; }
.section-head.center { text-align: center; }

.section-title {
    font-size: 46px;
    font-weight: 300;
    line-height: 1.35;
    color: var(--black);
    letter-spacing: -0.03em;
}
.section-title.big { font-size: 60px; font-weight: 200; }
.section-title.white { color: var(--white); }
.section-title b, .section-title strong { font-weight: 700; }

.section-sub {
    font-size: 22px;
    color: var(--gray-700);
    font-weight: 400;
    margin-bottom: 14px;
}
.section-desc {
    font-size: 18px;
    color: var(--gray-700);
    margin-top: 22px;
    font-weight: 400;
    line-height: 1.7;
}

/* ============================================
   1. HERO SECTION
============================================ */
.hero-section {
    width: 100%;
    height: 550px;
    position: relative;
    overflow: hidden;
    background: #0a0a0a;
}
.hero-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 30% 40%, rgba(201, 166, 97, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 60%, rgba(229, 205, 146, 0.12) 0%, transparent 50%),
        linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0a0a0a 100%);
    background-size: cover;
    background-position: center;
}
.hero-bg::before {
    content: '';
    position: absolute; inset: 0;
    background-image: url('../images/zero-shave_bg.jpg');
    background-size: cover;
    background-position: center;
    opacity: 1;
    filter: brightness(1.25) contrast(1.0) saturate(1.05);
}
.hero-bg::after {
    content: '';
    position: absolute; inset: 0;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(229, 205, 146, 0.4), transparent),
        radial-gradient(1px 1px at 60% 70%, rgba(229, 205, 146, 0.3), transparent),
        radial-gradient(1.5px 1.5px at 80% 20%, rgba(229, 205, 146, 0.35), transparent),
        radial-gradient(1px 1px at 40% 80%, rgba(229, 205, 146, 0.3), transparent),
        radial-gradient(2px 2px at 90% 50%, rgba(229, 205, 146, 0.4), transparent);
    background-size: 600px 600px;
    background-position: 0 0, 100px 100px, 200px 50px, 300px 200px, 50px 300px;
}
.hero-overlay {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at center, rgba(0,0,0,0) 0%, rgba(0,0,0,0.18) 100%),
        linear-gradient(180deg, rgba(0,0,0,0.02) 0%, rgba(0,0,0,0.15) 100%);
}
.hero-inner {
    position: relative;
    height: 100%;
    width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    z-index: 2;
}
.hero-title {
    font-size: 68px;
    font-weight: 200;
    letter-spacing: -0.04em;
    margin-bottom: 28px;
    line-height: 1.15;
}
.hero-title .gold {
    font-weight: 700;
    background: linear-gradient(135deg, #f5e3b1 0%, #e5cd92 50%, #b88a3f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc {
    font-size: 19px;
    font-weight: 300;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
}
/* ============================================
   BREADCRUMB
============================================ */
.breadcrumb-nav {
    border-bottom: 1px solid var(--gray-200);
    background: var(--white);
}
.breadcrumb-inner {
    width: 1400px;
    margin: 0 auto;
    padding: 20px 0;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 14px;
    color: var(--gray-500);
}
.bc-home { color: var(--gray-700); }
.bc-sep { color: var(--gray-300); }
.bc-current { color: var(--black); font-weight: 600; }

/* ============================================
   2. ABOUT HAIR LOSS
============================================ */
.section-about { background: var(--white); }
.about-desc {
    text-align: center;
    margin: 0 auto 90px;
    max-width: 1100px;
}
.about-desc p {
    font-size: 18px;
    color: var(--gray-700);
    font-weight: 400;
    line-height: 1.9;
    margin-bottom: 22px;
}
.section-signature {
    font-size: 28px;
    font-weight: 300;
    margin-top: 30px;
    letter-spacing: -0.02em;
}
.section-signature .gold-text { font-weight: 700; }

.hairloss-types {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 22px;
}
.type-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    overflow: hidden;
    transition: all 0.35s ease;
}
.type-card:hover {
    transform: translateY(-6px);
    border-color: var(--gold);
    box-shadow: 0 18px 40px rgba(0,0,0,0.08);
}
.type-img {
    width: 100%;
    aspect-ratio: 1 / 0.78;
    overflow: hidden;
    background: var(--light-gray);
}
.type-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.type-card:hover .type-img img { transform: scale(1.05); }
.type-label {
    padding: 22px 18px;
    text-align: center;
}
.type-num {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 0.15em;
    margin-bottom: 8px;
}
.type-label h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--black);
}

/* ============================================
   3. CASE SECTION
============================================ */
.section-case { background: var(--light-gray); }
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 80px;
}
.case-card {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--gray-100);
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}
.case-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}
.case-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,0.06); }
.case-card:hover::before { transform: scaleX(1); }
.case-num {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 0.2em;
    color: var(--gray-500);
    font-weight: 500;
    margin-bottom: 24px;
}
.case-num strong {
    color: var(--gold);
    font-weight: 700;
    font-size: 15px;
}
.case-icon {
    width: 70px; height: 70px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background: var(--black);
    display: flex; align-items: center; justify-content: center;
    color: var(--gold-light);
    font-size: 26px;
}
.case-text {
    font-size: 18px;
    color: var(--black);
    font-weight: 500;
    line-height: 1.55;
}

.case-foot {
    text-align: center;
    padding: 60px 40px;
    background: var(--white);
    border-radius: 8px;
    border: 1px solid var(--gray-100);
}
.case-foot-desc {
    font-size: 19px;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 28px;
}
.case-foot-cta {
    font-size: 26px;
    font-weight: 600;
    color: var(--black);
}

/* ============================================
   4. SIGNATURE - TRADEMARK
============================================ */
.section-signature-treatment { background: var(--white); }
.signature-sub {
    font-size: 22px;
    color: var(--gray-700);
    margin-bottom: 18px;
    font-weight: 400;
}
.section-head.center .signature-sub { margin-top: 18px; }

.trademark-wrap {
    display: grid;
    grid-template-columns: 480px 1fr;
    gap: 90px;
    align-items: center;
    margin: 70px 0 110px;
    padding: 70px;
    background: var(--light-gray);
    border-radius: 10px;
    position: relative;
}
.trademark-cert {
    position: relative;
    text-align: center;
}
.trademark-cert > img:first-child {
    width: 100%;
    max-width: 420px;
    box-shadow: 0 18px 40px rgba(0,0,0,0.12);
    border-radius: 4px;
    margin: 0 auto;
}
.trademark-badge {
    position: absolute;
    width: 130px;
    right: -10px;
    bottom: -20px;
    filter: drop-shadow(0 8px 20px rgba(168, 127, 58, 0.35));
}
.trademark-text { padding-left: 0; }
.tm-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.3em;
    color: var(--gold);
    font-weight: 600;
    background: var(--black);
    padding: 8px 18px;
    border-radius: 30px;
    margin-bottom: 24px;
}
.tm-title {
    font-size: 42px;
    font-weight: 300;
    margin-bottom: 26px;
    line-height: 1.25;
}
.tm-title .gold-text { font-weight: 800; }
.tm-desc {
    font-size: 17px;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 32px;
}
.tm-info {
    border-top: 1px solid var(--gray-200);
    padding-top: 24px;
}
.tm-info li {
    display: flex;
    align-items: center;
    padding: 10px 0;
    font-size: 16px;
}
.tm-info li span {
    width: 110px;
    color: var(--gray-500);
    font-weight: 500;
}
.tm-info li b {
    color: var(--black);
    font-weight: 600;
}

/* POINTS */
.point-wrap { margin-top: 80px; }
.point-head {
    text-align: center;
    font-size: 36px;
    font-weight: 300;
    margin-bottom: 50px;
    letter-spacing: -0.02em;
}
.point-head .gold-text { font-weight: 800; }
.point-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
}
.point-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    padding: 40px 24px;
    text-align: center;
    transition: all 0.35s ease;
    position: relative;
}
.point-card:hover {
    background: var(--black);
    border-color: var(--black);
    transform: translateY(-8px);
}
.point-card:hover .point-num,
.point-card:hover p { color: var(--white); }
.point-card:hover .point-num strong { color: var(--gold-light); }
.point-num {
    font-size: 13px;
    letter-spacing: 0.2em;
    color: var(--gray-500);
    margin-bottom: 22px;
    transition: color 0.3s;
}
.point-num strong {
    color: var(--gold);
    font-weight: 700;
    font-size: 15px;
}
.point-icon {
    width: 72px; height: 72px;
    margin: 0 auto 22px;
    border-radius: 50%;
    background: var(--gold-gradient);
    display: flex; align-items: center; justify-content: center;
    color: var(--white);
    font-size: 26px;
}
.point-card p {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.6;
    font-weight: 500;
    transition: color 0.3s;
}

/* ============================================
   5. VIDEO
============================================ */
.section-video { background: var(--light-gray); }
.video-wrap {
    width: 100%;
    max-width: 1200px;
    margin: 60px auto 0;
    aspect-ratio: 16 / 9;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0,0,0,0.18);
    background: var(--black);
}
.video-wrap iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* ============================================
   6. BEFORE & AFTER
============================================ */
.section-ba { background: var(--white); }
.ba-list {
    display: flex;
    flex-direction: column;
    gap: 36px;
    margin-top: 60px;
}
.ba-row {
    display: grid;
    grid-template-columns: 1fr 80px 1fr;
    gap: 0;
    align-items: center;
    background: transparent;
    padding: 30px 0;
    border-radius: 0;
    transition: all 0.3s ease;
}
.ba-row:hover {
    box-shadow: none;
}
.ba-item {
    text-align: center;
}
.ba-item img {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    border-radius: 6px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}
.ba-label {
    margin-top: 22px;
    font-size: 18px;
    color: var(--black);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}
.ba-label span {
    display: inline-block;
    padding: 6px 16px;
    background: var(--black);
    color: var(--gold-light);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.2em;
    border-radius: 20px;
}
.ba-label.after span {
    background: var(--gold-gradient);
    color: var(--white);
}
.ba-label b { font-weight: 700; font-size: 20px; }
.ba-arrow {
    text-align: center;
    color: var(--gold);
    font-size: 32px;
}
.ba-notice {
    text-align: center;
    margin-top: 40px;
    font-size: 14px;
    color: var(--gray-500);
}

/* ============================================
   7. WHY THE WANTS
============================================ */
.section-why { background: var(--light-gray); }
.why-wrap {
    display: grid;
    grid-template-columns: 540px 1fr;
    gap: 80px;
    align-items: center;
    margin-top: 60px;
}
.why-img {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 24px 50px rgba(0,0,0,0.12);
}
.why-img img {
    width: 100%;
    height: 640px;
    object-fit: cover;
}
.why-img-tag {
    position: absolute;
    left: 30px; bottom: 30px;
    background: rgba(17, 17, 17, 0.92);
    padding: 18px 26px;
    border-radius: 6px;
    border-left: 3px solid var(--gold);
}
.why-img-tag .tag-en {
    display: block;
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--gold-light);
    font-weight: 600;
    margin-bottom: 6px;
}
.why-img-tag b {
    color: var(--white);
    font-size: 19px;
    font-weight: 600;
}
.why-list li {
    display: flex;
    gap: 28px;
    padding: 26px 0;
    border-bottom: 1px solid var(--gray-200);
}
.why-list li:first-child { padding-top: 0; }
.why-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.why-num {
    flex-shrink: 0;
    width: 52px; height: 52px;
    border-radius: 50%;
    background: var(--gold-gradient);
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: 17px;
    font-family: 'Pretendard', sans-serif;
}
.why-list h4 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--black);
}
.why-list p {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.6;
}

/* ============================================
   8. COMPARISON
============================================ */
.section-comparison { background: var(--white); }
.comparison-wrap {
    max-width: 550px;
    margin: 60px auto 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0,0,0,0.12);
}
.comparison-wrap img {
    width: 100%;
}

/* ============================================
   9. SURVIVAL RATE
============================================ */
.section-survival {
    background: var(--light-gray);
    color: var(--black);
}
.section-survival::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 30%, rgba(201, 166, 97, 0.08), transparent 40%),
        radial-gradient(circle at 85% 70%, rgba(201, 166, 97, 0.07), transparent 40%);
    pointer-events: none;
}
.survival-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}
.section-survival .section-title.white { color: var(--black); }
.survival-left .section-title.white { margin-top: 0; }
.survival-desc {
    margin-top: 32px;
    font-size: 18px;
    color: var(--gray-700);
    line-height: 1.9;
    font-weight: 400;
}
.survival-desc b { font-weight: 700; color: var(--black); }
.survival-list li {
    display: flex;
    gap: 28px;
    padding: 30px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    margin-bottom: 18px;
    align-items: center;
    transition: all 0.3s ease;
}
.survival-list li:hover {
    background: var(--white);
    border-color: var(--gold);
    transform: translateX(6px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}
.survival-list li:last-child { margin-bottom: 0; }
.survival-list i {
    flex-shrink: 0;
    width: 60px; height: 60px;
    border-radius: 50%;
    background: var(--gold-gradient);
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
}
.survival-list h4 {
    font-size: 21px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 6px;
}
.survival-list p {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.5;
    font-weight: 400;
}

/* ============================================
   10. PROMISE
============================================ */
.section-promise { background: var(--white); }
.promise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
    margin-top: 60px;
}
.promise-card {
    background: var(--light-gray);
    border-radius: 10px;
    padding: 70px 50px;
    text-align: center;
    position: relative;
    transition: all 0.4s ease;
    border: 1px solid transparent;
}
.promise-card:hover {
    background: var(--white);
    border-color: var(--gold);
    box-shadow: 0 30px 60px rgba(168, 127, 58, 0.15);
    transform: translateY(-6px);
}
.promise-num {
    position: absolute;
    top: 30px; right: 36px;
    font-size: 14px;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 0.2em;
}
.promise-icon {
    width: 90px; height: 90px;
    margin: 0 auto 28px;
    border-radius: 50%;
    background: var(--white);
    display: flex; align-items: center; justify-content: center;
    color: var(--gold);
    font-size: 36px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
}
.promise-card:hover .promise-icon {
    background: var(--gold-gradient);
    color: var(--white);
}
.promise-card h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 18px;
}
.promise-line {
    width: 30px; height: 2px;
    background: var(--gold);
    margin: 0 auto 22px;
}
.promise-card p {
    font-size: 17px;
    color: var(--gray-700);
    line-height: 1.65;
    font-weight: 400;
}

/* ============================================
   CTA SECTION
============================================ */
.cta-section {
    padding: 100px 0;
    background: var(--light-gray);
    border-top: 1px solid var(--gray-200);
}
.cta-inner { text-align: center; }
.cta-title {
    font-size: 46px;
    font-weight: 300;
    margin-bottom: 18px;
    letter-spacing: -0.03em;
}
.cta-desc {
    font-size: 18px;
    color: var(--gray-700);
    margin-bottom: 44px;
}
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 18px;
}
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 44px;
    border-radius: 50px;
    font-size: 17px;
    font-weight: 600;
    transition: all 0.3s ease;
}
.cta-btn.primary {
    background: var(--black);
    color: var(--white);
    border: 1px solid var(--black);
}
.cta-btn.primary:hover {
    background: var(--gold-gradient);
    color: var(--white);
    border-color: var(--gold);
}
.cta-btn.outline {
    background: var(--white);
    color: var(--black);
    border: 1px solid var(--gray-300);
}
.cta-btn.outline:hover {
    border-color: var(--gold);
    color: var(--gold-deep);
}

/* ============================================
   ANIMATIONS
============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.9s ease, transform 0.9s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}