:root {
    --main-background: #121923;
    --card-background: #222E3D;
    --card-glass-overlay: rgba(34, 46, 61, 0.72);
    --main-accent: #45BCE8;
    --secondary-accent: #7894C1;
    --light-surface: #F3F6FA;
    --text-primary: #F7F9FC;
    --text-secondary: #9EADC4;
    --border-glass: rgba(69, 188, 232, 0.22);
    --border-hairline: rgba(120, 148, 193, 0.28);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--main-background);
    color: var(--text-primary);
    font-family: 'Noto Serif KR', serif;
    font-weight: 400;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a,
a:hover,
a:focus {
    text-decoration: none;
    color: inherit;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Noto Serif KR', serif;
    margin-top: 0;
    margin-bottom: 0.6em;
    font-weight: 700;
    line-height: 1.25;
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

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

:focus-visible {
    outline: 2px solid var(--main-accent);
    outline-offset: 2px;
}

@media (max-width: 768px) {
    h1 {
        font-size: clamp(1.6rem, 5vw, 2.2rem);
    }

    h2 {
        font-size: clamp(1.35rem, 4vw, 1.8rem);
    }

    h3 {
        font-size: clamp(1.15rem, 3.2vw, 1.45rem);
    }

    h4 {
        font-size: clamp(1.05rem, 2.8vw, 1.25rem);
    }

    h5,
    h6 {
        font-size: 0.95rem;
    }

    a,
    p,
    span,
    li {
        overflow-wrap: break-word;
        word-break: keep-all;
    }
}

/* ===== header ===== */
html {
    scroll-behavior: smooth
}

#header.ardelyx-header-wrapper {
    position: relative;
    width: 100%;
    background-color: #121923;
    padding: 16px 0 20px 0;
    overflow: hidden
}

.ardelyx-aqua-strip {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, rgba(69, 188, 232, 0.1) 0%, #45BCE8 50%, rgba(120, 148, 193, 0.2) 100%)
}

.ardelyx-glass-nav {
    background-color: #222E3D;
    background: rgba(34, 46, 61, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(69, 188, 232, 0.22);
    border-radius: 100px;
    padding: 10px 24px;
    box-shadow: 0 12px 32px rgba(10, 16, 24, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    width: 100%
}

.ardelyx-logo {
    max-width: 44px;
    width: 44px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(69, 188, 232, 0.3))
}

.ardelyx-brand-title {
    color: #F7F9FC;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
    line-height: 1.2
}

.ardelyx-brand-sub {
    color: #9EADC4;
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    line-height: 1
}

.ardelyx-nav-list {
    gap: 28px
}

.ardelyx-nav-link {
    color: #9EADC4;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.25s ease
}

.ardelyx-nav-link:hover,
.ardelyx-nav-link:focus-visible {
    color: #45BCE8
}

.ardelyx-cta-pill {
    background: linear-gradient(135deg, #45BCE8 0%, #268bb3 100%);
    color: #121923;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 10px 22px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 16px rgba(69, 188, 232, 0.32);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease
}

.ardelyx-cta-pill:hover,
.ardelyx-cta-pill:focus-visible {
    color: #121923;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(69, 188, 232, 0.45);
    filter: brightness(1.05)
}

.ardelyx-cta-icon {
    font-size: 1.05rem;
    color: #121923
}

.ardelyx-hamburger-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: rgba(34, 46, 61, 0.9);
    border: 1px solid rgba(69, 188, 232, 0.28);
    color: #F7F9FC;
    cursor: pointer;
    padding: 0;
    transition: background-color 0.2s ease, border-color 0.2s ease
}

.ardelyx-hamburger-btn:hover {
    background-color: #222E3D;
    border-color: #45BCE8
}

.ardelyx-hamburger-icon {
    font-size: 1.35rem;
    color: #F7F9FC
}

.ardelyx-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100vh;
    background-color: #121923;
    z-index: 9999;
    flex-direction: column;
    padding: 20px;
    overflow-y: auto
}

.ardelyx-mobile-overlay.open {
    display: flex
}

.ardelyx-mobile-header {
    width: 100%;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(120, 148, 193, 0.28)
}

.ardelyx-close-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: #222E3D;
    border: 1px solid rgba(69, 188, 232, 0.28);
    color: #F7F9FC;
    cursor: pointer;
    padding: 0
}

.ardelyx-close-icon {
    font-size: 1.4rem;
    color: #F7F9FC
}

.ardelyx-mobile-nav-link {
    color: #F7F9FC;
    font-size: 1.15rem;
    font-weight: 600;
    min-height: 48px;
    padding: 12px 16px;
    transition: color 0.2s ease
}

.ardelyx-mobile-nav-link:hover {
    color: #45BCE8
}

.ardelyx-cta-pill-mobile {
    width: 100%;
    max-width: 260px;
    min-height: 48px;
    font-size: 1rem
}

@media (max-width:991.98px) {
    .ardelyx-glass-nav {
        padding: 8px 16px;
        border-radius: 40px
    }

    .ardelyx-brand-title {
        font-size: 0.75rem;
        line-height: 1.1
    }
}

/* ===== hero ===== */
#hero {
    overflow: hidden;
    background-color: var(--main-background);
    background-image: radial-gradient(circle at 18% 12%, rgba(69, 188, 232, 0.12), transparent 42%), radial-gradient(circle at 85% 24%, rgba(120, 148, 193, 0.14), transparent 46%);
    color: var(--text-primary);
    position: relative;
}

#hero .hero-edition-strip {
    width: 100%;
    background-color: var(--card-glass-overlay);
    backdrop-filter: blur(12px);
    border-top: 3px double var(--border-hairline);
    border-bottom: 3px double var(--border-hairline);
    border-radius: 14px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28), inset 0 1px 0 rgba(247, 249, 252, 0.1);
}

#hero .hero-droplet-badge {
    width: 28px;
    height: 28px;
    border-radius: 50% 50% 50% 6px;
    background: linear-gradient(135deg, rgba(69, 188, 232, 0.28), rgba(120, 148, 193, 0.18));
    border: 1px solid var(--border-glass);
    color: var(--main-accent);
    font-size: 0.95rem;
    flex-shrink: 0;
}

#hero .hero-edition-label {
    color: var(--main-accent);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
}

#hero .hero-category-tagline {
    color: var(--text-primary);
    font-size: 0.85rem;
}

#hero .hero-headline-wrap {
    width: 100%;
    border-bottom: 1px solid var(--border-hairline);
}

#hero .hero-headline {
    width: 100%;
    color: var(--text-primary);
    font-size: 1.125rem;
    line-height: 1.25;
    letter-spacing: -0.02em;
    hyphens: auto;
    word-break: keep-all;
}

#hero .hero-lead-col {
    border-right: none;
}

#hero .hero-lead-text {
    color: var(--text-secondary);
    font-size: 0.96rem;
    line-height: 1.72;
    word-break: keep-all;
}

#hero .hero-dropcap {
    float: left;
    font-size: 3.1rem;
    line-height: 0.86;
    font-weight: 800;
    color: var(--main-accent);
    padding-right: 0.65rem;
    padding-top: 0.2rem;
}

#hero .hero-mini-card {
    background-color: var(--card-glass-overlay);
    border: 1px solid var(--border-glass);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.26), inset 0 1px 0 rgba(247, 249, 252, 0.12);
    transition: transform 0.25s ease, border-color 0.25s ease;
}

#hero .hero-mini-card:hover {
    transform: translateY(-3px);
    border-color: var(--main-accent);
}

#hero .hero-mini-thumb {
    height: 78px;
    object-fit: cover;
    display: block;
    border-radius: 10px;
}

#hero .hero-mini-icon {
    color: var(--main-accent);
    font-size: 0.95rem;
    flex-shrink: 0;
}

#hero .hero-mini-title {
    color: var(--text-primary);
    font-size: 0.8rem;
    line-height: 1.25;
    hyphens: auto;
    word-break: keep-all;
}

#hero .hero-flagship-frame {
    background-color: var(--card-glass-overlay);
    backdrop-filter: blur(14px);
    border: 1px solid var(--border-glass);
    box-shadow: 0 20px 44px rgba(0, 0, 0, 0.38), inset 0 1px 0 rgba(247, 249, 252, 0.15);
}

#hero .hero-flagship-media {
    position: relative;
    flex: 1 1 auto;
    border: 1px solid var(--border-hairline);
}

#hero .hero-flagship-img {
    height: 240px;
    object-fit: cover;
    display: block;
}

#hero .hero-media-scrim {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(18, 25, 35, 0.08) 0%, rgba(18, 25, 35, 0.42) 100%);
    pointer-events: none;
}

#hero .hero-flagship-caption {
    color: var(--text-primary);
}

#hero .hero-caption-text {
    color: var(--text-primary);
    font-size: 0.88rem;
    font-style: normal;
}

#hero .hero-caption-badge {
    background-color: var(--card-background);
    border: 1px solid var(--border-glass);
    color: var(--main-accent);
    font-size: 0.78rem;
    white-space: nowrap;
}

#hero .hero-cta-btn {
    background-color: var(--main-accent);
    color: var(--main-background);
    border: 1px solid var(--main-accent);
    box-shadow: 0 10px 24px rgba(69, 188, 232, 0.28), inset 0 1px 0 rgba(247, 249, 252, 0.45);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

#hero .hero-cta-btn:hover,
#hero .hero-cta-btn:focus {
    background-color: var(--light-surface);
    color: var(--main-background);
    border-color: var(--light-surface);
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(69, 188, 232, 0.36);
}

@media (min-width:768px) {
    #hero .hero-headline {
        font-size: 2.25rem;
        line-height: 1.22;
    }

    #hero .hero-flagship-img {
        height: 360px;
    }

    #hero .hero-mini-title {
        font-size: 0.85rem;
    }
}

@media (min-width:992px) {
    #hero .hero-headline {
        font-size: 3rem;
        line-height: 1.18;
    }

    #hero .hero-lead-col {
        border-right: 1px solid var(--border-hairline);
    }

    #hero .hero-flagship-img {
        height: 400px;
    }
}

/* ===== featured_tech ===== */
#featured-tech {
    background-color: var(--main-background, #121923);
    position: relative;
    color: var(--text-primary, #F7F9FC);
}

.section-badge-pill {
    background: var(--card-glass-overlay, rgba(34, 46, 61, 0.72));
    border: 1px solid var(--border-glass, rgba(69, 188, 232, 0.22));
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
}

.badge-icon-drop {
    width: 26px;
    height: 26px;
    border-radius: 50% 50% 50% 10%;
    background: linear-gradient(135deg, var(--main-accent, #45BCE8), var(--secondary-accent, #7894C1));
    color: #121923;
    font-size: 15px;
}

.badge-text {
    color: var(--main-accent, #45BCE8);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.section-main-heading {
    color: var(--text-primary, #F7F9FC);
    font-size: clamp(1.4rem, 2.5vw, 2.1rem);
    line-height: 1.25;
    hyphens: auto;
}

.section-sub-desc {
    color: var(--text-secondary, #9EADC4);
    max-width: 660px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.tech-card {
    background: var(--card-glass-overlay, rgba(34, 46, 61, 0.72));
    border: 1px solid var(--border-glass, rgba(69, 188, 232, 0.22));
    border-radius: 24px;
    overflow: hidden;
    backdrop-filter: blur(14px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.tech-card:hover {
    transform: translateY(-4px);
    border-color: var(--main-accent, #45BCE8);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45), 0 0 20px rgba(69, 188, 232, 0.15);
}

.tech-img-wrapper {
    height: 220px;
    width: 100%;
    overflow: hidden;
    background: #16202c;
}

.tech-card-img {
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.tech-card:hover .tech-card-img {
    transform: scale(1.04);
}

.droplet-icon-badge {
    position: absolute;
    right: 20px;
    bottom: 16px;
    width: 44px;
    height: 44px;
    border-radius: 50% 50% 50% 8%;
    background: linear-gradient(135deg, var(--main-accent, #45BCE8), #2985ab);
    color: #121923;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 6px 16px rgba(69, 188, 232, 0.45);
    z-index: 2;
}

.tech-cat-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--main-accent, #45BCE8);
    letter-spacing: -0.02em;
}

.tech-status-dot {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--secondary-accent, #7894C1);
}

.dot-pulse {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--main-accent, #45BCE8);
    box-shadow: 0 0 8px var(--main-accent, #45BCE8);
    display: inline-block;
}

.tech-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary, #F7F9FC);
    line-height: 1.3;
}

.tech-summary {
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--text-secondary, #9EADC4);
    hyphens: auto;
}

.border-top-glass {
    border-top: 1px solid var(--border-hairline, rgba(120, 148, 193, 0.28));
}

.product-name {
    font-size: 0.85rem;
    color: var(--text-secondary, #9EADC4);
    max-width: 65%;
}

.product-price {
    font-size: 0.9rem;
    color: var(--text-primary, #F7F9FC);
}

@media (max-width: 767.98px) {
    .section-main-heading {
        font-size: 1.125rem;
        line-height: 1.2;
    }

    .tech-title {
        font-size: 1rem;
        line-height: 1.2;
    }

    .tech-summary {
        font-size: 0.85rem;
    }

    .tech-img-wrapper {
        height: 180px;
    }
}

/* ===== catalog ===== */
.catalog-section {
    background-color: var(--main-background, #121923);
}

.glass-title-badge {
    background: var(--card-glass-overlay, rgba(34, 46, 61, 0.72));
    border: 1px solid var(--border-glass, rgba(69, 188, 232, 0.22));
    backdrop-filter: blur(10px);
}

.text-accent {
    color: var(--main-accent, #45BCE8) !important;
}

.text-secondary-custom {
    color: var(--text-secondary, #9EADC4) !important;
}

.catalog-controls-panel {
    background: var(--card-glass-overlay, rgba(34, 46, 61, 0.72));
    border: 1px solid var(--border-glass, rgba(69, 188, 232, 0.22));
    backdrop-filter: blur(12px);
}

.category-tab-btn {
    background: rgba(34, 46, 61, 0.5);
    color: var(--text-secondary, #9EADC4);
    border: 1px solid var(--border-hairline, rgba(120, 148, 193, 0.28));
    font-size: 0.875rem;
    transition: all 0.25s ease;
}

.category-tab-btn:hover {
    color: var(--text-primary, #F7F9FC);
    border-color: var(--main-accent, #45BCE8);
    background: rgba(69, 188, 232, 0.15);
}

.category-tab-btn.active {
    color: #121923;
    background-color: var(--main-accent, #45BCE8);
    border-color: var(--main-accent, #45BCE8);
    font-weight: 600;
}

.search-input-box {
    background: rgba(18, 25, 35, 0.6);
    border: 1px solid var(--border-hairline, rgba(120, 148, 193, 0.28));
}

.search-input-box input::placeholder {
    color: var(--text-secondary, #9EADC4);
    font-size: 0.875rem;
}

.select-sort-box select {
    background-color: rgba(18, 25, 35, 0.6);
    color: var(--text-primary, #F7F9FC);
    border: 1px solid var(--border-hairline, rgba(120, 148, 193, 0.28));
    font-size: 0.875rem;
}

.select-sort-box select option {
    background-color: var(--card-background, #222E3D);
    color: var(--text-primary, #F7F9FC);
}

.product-glass-card {
    background: var(--card-background, #222E3D);
    border: 1px solid var(--border-glass, rgba(69, 188, 232, 0.22));
    box-shadow: 0 10px 24px -6px rgba(0, 0, 0, 0.45);
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.product-glass-card:hover {
    transform: translateY(-4px);
    border-color: var(--main-accent, #45BCE8);
}

.product-image-container {
    height: 180px;
    width: 100%;
    overflow: hidden;
    background: rgba(18, 25, 35, 0.4);
    cursor: pointer;
}

.product-image-container .product-img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-image-container:hover .product-img {
    transform: scale(1.05);
}

.quick-view-badge {
    background: rgba(18, 25, 35, 0.75);
    color: #fff;
    border: 1px solid var(--border-glass, rgba(69, 188, 232, 0.22));
    backdrop-filter: blur(4px);
}

.bg-spec-pill {
    background: rgba(69, 188, 232, 0.15);
    color: var(--main-accent, #45BCE8);
    border: 1px solid var(--border-glass, rgba(69, 188, 232, 0.22));
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 50rem;
    padding: 0.3rem 0.6rem;
}

.product-title {
    hyphens: auto;
    line-height: 1.3;
}

.border-top-glass {
    border-top: 1px solid var(--border-hairline, rgba(120, 148, 193, 0.28));
}

.btn-outline-accent {
    color: var(--main-accent, #45BCE8);
    border: 1px solid var(--main-accent, #45BCE8);
    background: transparent;
    transition: all 0.2s ease;
    font-size: 0.85rem;
}

.btn-outline-accent:hover {
    background: var(--main-accent, #45BCE8);
    color: #121923;
}

.glass-empty-state {
    background: var(--card-glass-overlay, rgba(34, 46, 61, 0.72));
    border: 1px solid var(--border-hairline, rgba(120, 148, 193, 0.28));
}

.glass-modal-content {
    background: var(--card-background, #222E3D);
    border: 1px solid var(--border-glass, rgba(69, 188, 232, 0.22)) !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.modal-img-wrap {
    background: rgba(18, 25, 35, 0.5);
    border: 1px solid var(--border-hairline, rgba(120, 148, 193, 0.28));
}

.modal-img-wrap img {
    max-height: 280px;
    width: 100%;
    object-fit: cover;
}

.modal-spec-box {
    background: rgba(18, 25, 35, 0.5);
    border: 1px solid var(--border-hairline, rgba(120, 148, 193, 0.28));
}

.btn-accent-custom {
    background-color: var(--main-accent, #45BCE8);
    color: #121923;
    font-weight: 600;
    border: none;
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.btn-accent-custom:hover,
.btn-accent-custom:focus-visible {
    background-color: #77d4f5;
    color: #121923;
    box-shadow: 0 4px 16px rgba(69, 188, 232, 0.3);
}

.btn-accent-custom:active {
    background-color: #2fa3ce;
    color: #121923;
}

/* ===== device_comparison ===== */
#comparison {
    width: 100%;
    position: relative;
}

#comparison .table {
    background-color: transparent;
}

#comparison .table th,
#comparison .table td {
    vertical-align: middle;
    background-color: transparent;
}

#comparison .badge {
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.4em 0.75em;
}

@media (max-width: 767.98px) {
    #comparison h2 {
        font-size: 1rem !important;
        line-height: 1.2;
    }

    #comparison h3 {
        font-size: 0.875rem !important;
        line-height: 1.2;
    }
}

/* ===== tech_guide ===== */
#guide.guide-section {
    background-color: var(--main-background);
    color: var(--text-primary);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
}

.guide-badge {
    background-color: var(--card-glass-overlay);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.guide-badge-icon {
    color: var(--main-accent);
    font-size: 1.1rem;
}

.guide-badge-text {
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.guide-title {
    color: var(--text-primary);
    font-size: 2rem;
    line-height: 1.3;
}

.guide-subtitle {
    color: var(--text-secondary);
    max-width: 640px;
    font-size: 0.95rem;
    line-height: 1.6;
}

.guide-card {
    background: var(--card-glass-overlay);
    border: 1px solid var(--border-glass);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.guide-card:hover {
    transform: translateY(-4px);
    border-color: var(--main-accent);
    box-shadow: 0 14px 36px rgba(69, 188, 232, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.guide-droplet {
    width: 52px;
    height: 52px;
    min-width: 52px;
    background: radial-gradient(circle at 30% 30%, rgba(69, 188, 232, 0.35), rgba(34, 46, 61, 0.9));
    border-radius: 50% 50% 50% 15%;
    border: 1px solid var(--border-glass);
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.3), 0 4px 12px rgba(0, 0, 0, 0.3);
}

.guide-accent-icon {
    color: var(--main-accent);
}

.guide-category-tag {
    color: var(--secondary-accent);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.guide-card-title {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.35;
}

.guide-card-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    hyphens: auto;
}

.guide-list-icon {
    color: var(--main-accent);
    font-size: 1rem;
    flex-shrink: 0;
}

.guide-list-text {
    color: var(--text-primary);
    font-size: 0.85rem;
    line-height: 1.5;
}

@media (max-width: 767.98px) {
    .guide-title {
        font-size: 1rem !important;
        line-height: 1.25;
        hyphens: auto;
    }

    .guide-card-title {
        font-size: 0.875rem !important;
        line-height: 1.2;
        hyphens: auto;
    }

    .guide-subtitle {
        font-size: 0.85rem;
    }

    .guide-droplet {
        width: 44px;
        height: 44px;
        min-width: 44px;
    }

    .guide-droplet i {
        font-size: 1.2rem !important;
    }

    .guide-card {
        padding: 1.25rem !important;
    }
}

/* ===== product_gallery ===== */
#gallery .frosted-badge {
    background: var(--card-glass-overlay);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(8px);
}

#gallery .gallery-card {
    background-color: var(--card-background);
    border: 1px solid var(--border-glass);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    cursor: pointer;
}

#gallery .gallery-card:hover {
    transform: translateY(-4px);
    border-color: var(--main-accent);
    box-shadow: 0 14px 32px rgba(69, 188, 232, 0.18);
}

#gallery .gallery-img-wrapper {
    height: 210px;
    width: 100%;
    background: #18222e;
}

#gallery .gallery-thumb {
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

#gallery .gallery-card:hover .gallery-thumb {
    transform: scale(1.06);
}

#gallery .gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(18, 25, 35, 0.45);
    opacity: 0;
    transition: opacity 0.25s ease;
}

#gallery .gallery-card:hover .gallery-overlay {
    opacity: 1;
}

#gallery .zoom-icon-box {
    width: 44px;
    height: 44px;
    background: var(--card-glass-overlay);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(6px);
}

#gallery .modal-content {
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6);
}

@media (max-width: 767.98px) {
    #gallery h2 {
        font-size: 1rem !important;
        line-height: 1.25;
    }

    #gallery h3 {
        font-size: 0.875rem !important;
        line-height: 1.2;
    }

    #gallery .gallery-img-wrapper {
        height: 190px;
    }
}

/* ===== service_faq ===== */
#support {
    overflow: hidden;
    background-color: var(--main-background);
    color: var(--text-primary);
    position: relative;
    background-image: radial-gradient(circle at 10% 20%, rgba(69, 188, 232, 0.08) 0%, transparent 45%), radial-gradient(circle at 90% 80%, rgba(120, 148, 193, 0.06) 0%, transparent 50%)
}

.support-heading {
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    hyphens: auto
}

@media (max-width:767.98px) {
    .support-heading {
        font-size: 1rem;
        line-height: 1.2
    }
}

.support-lead {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto
}

.section-badge {
    background: rgba(69, 188, 232, 0.12);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px)
}

.badge-text {
    color: var(--main-accent);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em
}

.icon-bubble {
    color: var(--main-accent);
    font-size: 0.95rem
}

.policy-card {
    background: var(--card-glass-overlay);
    border: 1px solid var(--border-glass);
    border-radius: 1.25rem;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.08);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease
}

.policy-card:hover {
    transform: translateY(-3px);
    border-color: var(--main-accent);
    box-shadow: 0 16px 36px rgba(69, 188, 232, 0.15), inset 0 1px 1px rgba(255, 255, 255, 0.15)
}

.droplet-icon-box {
    width: 46px;
    height: 46px;
    border-radius: 18px 18px 18px 4px;
    background: linear-gradient(135deg, rgba(69, 188, 232, 0.3) 0%, rgba(34, 46, 61, 0.9) 100%);
    border: 1px solid var(--border-glass);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.25)
}

.droplet-icon-box i {
    font-size: 1.35rem;
    color: var(--main-accent)
}

.policy-title {
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.3;
    hyphens: auto
}

@media (max-width:767.98px) {
    .policy-title {
        font-size: 0.875rem;
        line-height: 1.2
    }
}

.policy-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.55
}

.faq-container {
    background: var(--card-background);
    border: 1px solid var(--border-hairline);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.06)
}

.faq-header-icon {
    font-size: 1.6rem;
    color: var(--main-accent)
}

.faq-section-title {
    color: var(--text-primary);
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.2;
    hyphens: auto
}

@media (max-width:767.98px) {
    .faq-section-title {
        font-size: 1rem;
        line-height: 1.2
    }
}

.faq-button {
    background: rgba(18, 25, 35, 0.6);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-weight: 600;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    cursor: pointer
}

.faq-button:hover {
    background: rgba(69, 188, 232, 0.1);
    border-color: var(--main-accent)
}

.faq-question-text {
    font-size: 0.95rem;
    color: var(--text-primary);
    padding-right: 0.75rem
}

@media (max-width:767.98px) {
    .faq-question-text {
        font-size: 0.875rem;
        line-height: 1.2
    }
}

.faq-indicator-icon {
    font-size: 1.25rem;
    color: var(--main-accent);
    transition: transform 0.25s ease
}

.faq-button.is-active {
    background: rgba(69, 188, 232, 0.12);
    border-color: var(--main-accent)
}

.faq-button.is-active .faq-indicator-icon {
    transform: rotate(45deg)
}

.faq-collapse {
    display: none;
    overflow: hidden
}

.faq-collapse.is-open {
    display: block
}

.faq-answer-inner {
    background: rgba(18, 25, 35, 0.3);
    border-left: 2px solid var(--main-accent);
    border-bottom-left-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem
}

.faq-answer-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.65
}

/* ===== contact_inquiry ===== */
#inquiry {
    background-color: var(--main-background);
    position: relative;
    overflow: hidden;
}

#inquiry * {
    box-sizing: border-box;
}

#inquiry .text-primary-custom {
    color: var(--text-primary);
}

#inquiry .text-secondary-custom {
    color: var(--text-secondary);
}

#inquiry .text-accent {
    color: var(--main-accent);
}

.ardelyx-frosted-title {
    background: rgba(69, 188, 232, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    padding: 6px 18px 6px 8px;
}

.ardelyx-droplet {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--main-accent), var(--secondary-accent));
    border-radius: 50% 50% 50% 12%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(69, 188, 232, 0.3);
    flex-shrink: 0;
}

.ardelyx-droplet-sm {
    width: 32px;
    height: 32px;
    background: rgba(69, 188, 232, 0.18);
    border: 1px solid var(--border-glass);
    border-radius: 50% 50% 50% 10%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    flex-shrink: 0;
}

.ardelyx-glass-card {
    background: var(--card-glass-overlay);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.ardelyx-input,
.ardelyx-select,
.ardelyx-textarea {
    background-color: rgba(18, 25, 35, 0.85);
    border: 1px solid var(--border-hairline);
    color: var(--text-primary);
    border-radius: 14px;
    padding: 12px 16px;
    font-size: 0.95rem;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.ardelyx-input:focus,
.ardelyx-select:focus,
.ardelyx-textarea:focus {
    background-color: rgba(18, 25, 35, 0.95);
    border-color: var(--main-accent);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(69, 188, 232, 0.25);
    outline: none;
}

.ardelyx-input::placeholder,
.ardelyx-textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.8;
}

.ardelyx-select option {
    background-color: var(--card-background);
    color: var(--text-primary);
}

.ardelyx-check-input {
    background-color: rgba(18, 25, 35, 0.85);
    border: 1px solid var(--border-hairline);
    border-radius: 6px;
    width: 1.2rem;
    height: 1.2rem;
}

.ardelyx-check-input:checked {
    background-color: var(--main-accent);
    border-color: var(--main-accent);
}

.ardelyx-pill-btn {
    background: linear-gradient(135deg, var(--main-accent) 0%, #268db4 100%);
    border: none;
    border-radius: 50px;
    color: #121923;
    font-size: 1.05rem;
    box-shadow: 0 8px 20px rgba(69, 188, 232, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ardelyx-pill-btn:hover {
    background: linear-gradient(135deg, #5fd1fb 0%, var(--main-accent) 100%);
    color: #121923;
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(69, 188, 232, 0.45);
}

.ardelyx-pill-btn:active {
    transform: translateY(0);
}

.ardelyx-notice-box {
    background: rgba(34, 46, 61, 0.6);
    border: 1px solid var(--border-hairline);
    border-radius: 16px;
}

.ardelyx-hover-link:hover {
    color: var(--main-accent) !important;
    text-decoration: underline !important;
}

@media(max-width:767.98px) {
    #inquiry h2 {
        font-size: 1rem;
        line-height: 1.2;
        hyphens: auto;
    }

    #inquiry h3 {
        font-size: 0.875rem;
        line-height: 1.2;
        hyphens: auto;
    }

    .ardelyx-glass-card {
        padding: 20px !important;
        border-radius: 18px;
    }
}

/* ===== footer ===== */
#footer.ardelyx-footer {
    overflow: hidden;
    background-color: var(--main-background);
    border-top: 1px solid var(--border-glass);
    color: var(--text-secondary);
    font-family: inherit;
}

#footer .ardelyx-cta-banner {
    background: linear-gradient(135deg, rgba(69, 188, 232, 0.2) 0%, rgba(34, 46, 61, 0.95) 100%);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

#footer .ardelyx-pill-tag {
    background: rgba(69, 188, 232, 0.15);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    padding: 6px 14px;
}

#footer .ardelyx-tag-icon,
#footer .ardelyx-tag-text {
    color: var(--main-accent);
    font-size: 0.85rem;
    font-weight: 600;
}

#footer .ardelyx-cta-title {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

@media (max-width:767.98px) {
    #footer .ardelyx-cta-title {
        font-size: 1rem;
        line-height: 1.2;
        hyphens: auto;
    }
}

#footer .ardelyx-cta-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

#footer .ardelyx-cta-btn {
    background: linear-gradient(135deg, var(--main-accent) 0%, #289ecb 100%);
    color: #0d1620;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    padding: 12px 28px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
}

#footer .ardelyx-cta-btn:hover {
    background: linear-gradient(135deg, #5fd1fc 0%, var(--main-accent) 100%);
    color: #071018;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(69, 188, 232, 0.35);
}

#footer .ardelyx-wave-divider {
    height: 2px;
    width: 100%;
    background: linear-gradient(90deg, transparent 0%, var(--main-accent) 50%, transparent 100%);
    opacity: 0.4;
}

#footer .ardelyx-brand-card,
#footer .ardelyx-frosted-card {
    background: var(--card-glass-overlay);
    border: 1px solid var(--border-hairline);
    border-radius: 20px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(8px);
}

#footer .ardelyx-brand-name {
    font-size: 1.4rem;
    letter-spacing: 0.04em;
}

#footer .ardelyx-brand-summary {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

#footer .ardelyx-badge-status {
    background: rgba(18, 25, 35, 0.7);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    padding: 6px 14px;
}

#footer .ardelyx-badge-text {
    color: var(--text-primary);
    font-size: 0.8rem;
}

#footer .ardelyx-card-title {
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.3;
}

@media (max-width:767.98px) {
    #footer .ardelyx-card-title {
        font-size: 0.875rem;
        line-height: 1.2;
        hyphens: auto;
    }
}

#footer .ardelyx-accent-color {
    color: var(--main-accent);
}

#footer .ardelyx-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease, transform 0.2s ease;
}

#footer .ardelyx-nav-link i {
    color: var(--secondary-accent);
    transition: transform 0.2s ease;
}

#footer .ardelyx-nav-link:hover {
    color: var(--text-primary);
    transform: translateX(4px);
}

#footer .ardelyx-nav-link:hover i {
    color: var(--main-accent);
}

#footer .ardelyx-info-item {
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-secondary);
    word-break: break-all;
}

#footer .ardelyx-info-label {
    color: var(--secondary-accent);
    font-weight: 500;
}

#footer .ardelyx-info-val {
    color: var(--text-primary);
}

#footer .ardelyx-legal-bar {
    background: rgba(34, 46, 61, 0.5);
    border: 1px solid var(--border-hairline);
}

#footer .ardelyx-legal-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s ease;
}

#footer .ardelyx-legal-link:hover {
    color: var(--main-accent);
    text-decoration: underline;
}

#footer .ardelyx-separator {
    color: var(--border-hairline);
    font-size: 0.8rem;
}

#footer .ardelyx-bottom-copy {
    border-color: var(--border-hairline) !important;
}

#footer .ardelyx-copy-text {
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.5;
}
/* Spacing for full legal documents, separate from the home page policy cards. */
.legal-document {
    padding-top: 24px;
    padding-bottom: 64px;
}

.legal-document .policy-card,
.legal-document .terms-card {
    padding: 64px;
}

@media (max-width: 767.98px) {
    .legal-document {
        padding-top: 16px;
        padding-bottom: 40px;
    }

    .legal-document .policy-card,
    .legal-document .terms-card {
        padding: 32px;
    }
}