/**
 * Copyright (c) 2026 DNA Genics, S.L. All rights reserved.
 *
 * Upload DNA landing pages - premium cinematic design system.
 * Matches the site-wide gold-accented, dark-hero aesthetic used across
 * the homepage and product pages. Shared across all 6 upload pages.
 */

/* ========================================
   CSS VARIABLES - MATCHES cin- DESIGN SYSTEM
   ======================================== */
:root {
    --udna-deep:          #0f1419;
    --udna-deep-soft:     #1a2332;
    --udna-navy:          #162029;
    --udna-slate:         #1e2d38;

    --udna-gold:          #c9a430;
    --udna-gold-light:    #d4b94d;
    --udna-gold-pale:     #f0e4c3;
    --udna-gold-subtle:   rgba(201, 164, 48, 0.12);
    --udna-gold-glow:     rgba(201, 164, 48, 0.25);
    --udna-border-gold:   rgba(201, 164, 48, 0.3);
    --udna-shadow-gold:   0 8px 32px rgba(201, 164, 48, 0.2);

    --udna-teal:          #0d9488;
    --udna-teal-light:    #14b8a6;
    --udna-teal-subtle:   rgba(13, 148, 136, 0.1);

    --udna-white:         #ffffff;
    --udna-off-white:     #faf9f7;
    --udna-cream:         #f5f3ef;
    --udna-gray-100:      #f1f0ed;
    --udna-gray-200:      #e4e2dc;
    --udna-gray-300:      #c5c2ba;
    --udna-gray-500:      #706c64;
    --udna-gray-600:      #4a473f;
    --udna-gray-800:      #1a1815;
    --udna-gray-900:      #0d0c0a;

    --udna-text-dark:     #1a1815;
    --udna-text-body:     #4a473f;
    --udna-text-muted:    #706c64;
    --udna-text-light:    #f0f0f2;
    --udna-text-lt-muted: rgba(240, 240, 242, 0.7);

    --udna-font-serif:    'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --udna-font-sans:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --udna-radius-sm:     4px;
    --udna-radius-md:     8px;
    --udna-radius-lg:     12px;
    --udna-radius-xl:     16px;
    --udna-radius-full:   9999px;

    --udna-shadow-soft:   0 2px 8px rgba(0, 0, 0, 0.04);
    --udna-shadow-md:     0 4px 20px rgba(0, 0, 0, 0.06);
    --udna-shadow-lg:     0 8px 40px rgba(0, 0, 0, 0.08);
    --udna-shadow-dark:   0 4px 24px rgba(0, 0, 0, 0.4);
    --udna-border-light:  rgba(0, 0, 0, 0.06);
    --udna-border-dark:   rgba(255, 255, 255, 0.08);

    --udna-ease:          cubic-bezier(0.4, 0, 0.2, 1);
    --udna-transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --udna-trans-fast:    0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   BASE PAGE
   ======================================== */
.udna-page {
    font-family: var(--udna-font-sans);
    color: var(--udna-text-body);
    background: var(--udna-off-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    line-height: 1.7;
}

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

/* ========================================
   ACCESSIBILITY & FIXED UI
   ======================================== */
.udna-skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    background: var(--udna-gold);
    color: var(--udna-gray-900);
    padding: 12px 24px;
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--udna-radius-sm);
    z-index: 10000;
    transition: top var(--udna-trans-fast);
}
.udna-skip-link:focus { top: 16px; outline: 3px solid var(--udna-gold-light); outline-offset: 2px; }

/* Scroll Progress */
.udna-scroll-progress {
    position: fixed;
    top: 0; left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--udna-gold), var(--udna-gold-light));
    z-index: 9999;
    transition: width 0.1s linear;
}

/* Page Navigation Dots */
.udna-page-nav {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.udna-nav-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    border: 2px solid rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all var(--udna-trans-fast);
    position: relative;
    display: block;
}
.udna-nav-dot:hover, .udna-nav-dot.active {
    background: var(--udna-gold);
    border-color: var(--udna-gold);
    transform: scale(1.25);
}
.udna-nav-dot::after {
    content: attr(data-tooltip);
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--udna-deep);
    color: var(--udna-text-light);
    border: 1px solid var(--udna-border-gold);
    padding: 5px 10px;
    border-radius: var(--udna-radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--udna-trans-fast);
}
.udna-nav-dot:hover::after { opacity: 1; }

/* Back to Top */
.udna-back-to-top {
    position: fixed;
    bottom: 32px; right: 32px;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--udna-gold);
    color: var(--udna-gray-900);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--udna-shadow-gold);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--udna-transition);
    z-index: 1000;
    font-size: 0.875rem;
}
.udna-back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.udna-back-to-top:hover { filter: brightness(1.1); transform: translateY(-4px); }

/* ========================================
   CONTAINER
   ======================================== */
.udna-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2.5rem;
}

/* ========================================
   BREADCRUMB
   ======================================== */
.udna-breadcrumb {
    padding: 1.5rem 0 0.5rem;
}
.udna-breadcrumb .breadcrumb {
    background: transparent;
    margin: 0;
    padding: 0;
}
.udna-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    color: var(--udna-gray-300);
}
.udna-breadcrumb .breadcrumb-item a {
    color: var(--udna-gold);
    text-decoration: none;
}
.udna-breadcrumb .breadcrumb-item a:hover {
    color: var(--udna-gold-light);
}
.udna-breadcrumb .breadcrumb-item.active {
    color: var(--udna-text-muted);
}

/* ========================================
   HERO - CINEMATIC DARK
   ======================================== */
.udna-hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 5rem 0 4rem;
    overflow: hidden;
    background: var(--udna-deep) url('/img/ui/backgrounds/header-nov-2025-v1.webp') center center / cover no-repeat;
}

.udna-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to right, rgba(10, 15, 20, 0.9) 0%, rgba(10, 15, 20, 0.65) 55%, rgba(10, 15, 20, 0.35) 100%),
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(201, 164, 48, 0.07) 0%, transparent 50%),
        radial-gradient(ellipse 50% 50% at 80% 20%, rgba(13, 148, 136, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.udna-hero-content {
    position: relative;
    z-index: 2;
    max-width: 640px;
}

/* Hero Badge */
.udna-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--udna-gold-subtle);
    color: var(--udna-gold);
    font-family: var(--udna-font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: var(--udna-radius-full);
    border: 1px solid var(--udna-border-gold);
    margin-bottom: 1.5rem;
}

/* Hero Title */
.udna-hero-slogan {
    font-family: var(--udna-font-sans);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--udna-gold);
    opacity: 0.8;
    margin-bottom: 0.75rem;
}

.udna-hero-title {
    font-family: var(--udna-font-serif);
    font-size: clamp(2.25rem, 5vw + 0.5rem, 3.75rem);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--udna-text-light);
    margin: 0 0 1.25rem;
}

.udna-hero-title .udna-text-gradient {
    background: linear-gradient(135deg, var(--udna-gold) 0%, var(--udna-gold-light) 50%, #d4c5a9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.udna-hero-lead {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--udna-text-lt-muted);
    margin-bottom: 1.75rem;
    max-width: 560px;
}

/* Hero Convenience Badge */
.udna-hero-convenience {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 1.25rem;
    background: rgba(201, 164, 48, 0.12);
    border: 1px solid var(--udna-border-gold);
    border-radius: var(--udna-radius-full);
    color: var(--udna-gold-light);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}
.udna-hero-convenience strong { color: var(--udna-gold); font-weight: 600; }
.udna-hero-convenience i { color: var(--udna-gold); }

/* Hero Trust */
.udna-hero-trust {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}
.udna-hero-trust-item {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.875rem;
    color: var(--udna-text-lt-muted);
}
.udna-hero-trust-icon {
    width: 32px; height: 32px; min-width: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--udna-gold-subtle);
    color: var(--udna-gold);
    border-radius: var(--udna-radius-md);
    font-size: 0.875rem;
}
.udna-hero-trust-item strong { color: var(--udna-text-light); }

/* Hero CTA Buttons */
.udna-hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 0.875rem;
    margin-bottom: 1.25rem;
}

/* Primary button - gold */
.udna-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--udna-gold);
    color: var(--udna-gray-900);
    font-family: var(--udna-font-sans);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--udna-radius-sm);
    cursor: pointer;
    box-shadow: var(--udna-shadow-gold);
    transition: all var(--udna-transition);
    white-space: nowrap;
}
.udna-btn-primary:hover {
    background: var(--udna-gold);
    color: var(--udna-gray-900);
    filter: brightness(1.08);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(201, 164, 48, 0.4);
    text-decoration: none;
}

/* Secondary button - outline white */
.udna-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.75rem;
    background: rgba(255,255,255,0.06);
    color: var(--udna-text-light);
    font-family: var(--udna-font-sans);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: var(--udna-radius-sm);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: all var(--udna-transition);
    white-space: nowrap;
}
.udna-btn-secondary:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.6);
    color: var(--udna-text-light);
    transform: translateY(-2px);
    text-decoration: none;
}

/* Provider Compatibility Badges */
.udna-hero-providers {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}
.udna-hero-providers-label {
    display: block;
    font-size: 0.6875rem;
    color: var(--udna-text-lt-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.625rem;
}
.udna-hero-providers-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.udna-provider-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--udna-radius-full);
    color: var(--udna-text-light);
    font-size: 0.75rem;
    font-weight: 500;
}
.udna-provider-badge--more {
    background: var(--udna-gold-subtle);
    border-color: var(--udna-border-gold);
    color: var(--udna-gold);
}

/* ========================================
   SECTION SYSTEM
   ======================================== */
.udna-section {
    padding: 4rem 0;
}
.udna-section--alt {
    background: var(--udna-white);
}
.udna-section--dark {
    background: var(--udna-deep);
}

.udna-section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 3rem;
}
.udna-section-marker {
    width: 48px;
    height: 2px;
    background: var(--udna-gold);
    margin: 0 auto 1rem;
}
.udna-section-label {
    display: block;
    font-family: var(--udna-font-sans);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--udna-gold);
    margin-bottom: 0.75rem;
}
.udna-section-title {
    font-family: var(--udna-font-serif);
    font-size: clamp(1.75rem, 3vw + 0.25rem, 2.5rem);
    font-weight: 500;
    line-height: 1.2;
    color: var(--udna-text-dark);
    margin: 0 0 0.75rem;
}
.udna-section-sub {
    font-size: 1.0625rem;
    color: var(--udna-text-muted);
    line-height: 1.7;
    margin: 0;
}

/* Dark section headings */
.udna-section--dark .udna-section-title { color: var(--udna-text-light); }
.udna-section--dark .udna-section-sub   { color: var(--udna-text-lt-muted); }

/* ========================================
   STEPS
   ======================================== */
.udna-steps {
    display: grid;
    gap: 0.75rem;
    max-width: 800px;
    margin: 0 auto;
}

.udna-step {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: var(--udna-white);
    border: 1px solid var(--udna-gray-200);
    border-radius: var(--udna-radius-lg);
    box-shadow: var(--udna-shadow-soft);
    transition: all var(--udna-transition);
    opacity: 0;
    transform: translateY(20px);
}
.udna-step.udna-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s var(--udna-ease), transform 0.5s var(--udna-ease), box-shadow var(--udna-transition), border-color var(--udna-transition);
}
.udna-step:hover {
    border-color: var(--udna-border-gold);
    box-shadow: 0 4px 24px var(--udna-gold-glow);
    transform: translateY(-3px);
}

.udna-step-num {
    flex-shrink: 0;
    width: 2.5rem; height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--udna-gold);
    color: var(--udna-gray-900);
    font-weight: 700;
    font-size: 0.9375rem;
    border-radius: 50%;
    box-shadow: var(--udna-shadow-gold);
}

.udna-step-content h4 {
    font-family: var(--udna-font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--udna-text-dark);
    margin: 0 0 0.375rem;
}
.udna-step-content p {
    font-size: 0.9375rem;
    color: var(--udna-text-body);
    margin: 0;
    line-height: 1.6;
}
.udna-step-content a {
    color: var(--udna-gold);
    text-decoration: underline;
    text-decoration-color: rgba(201,164,48,0.4);
}
.udna-step-content a:hover { color: var(--udna-gold-light); }

/* ========================================
   TOOLS GRID
   ======================================== */
.udna-tools {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

.udna-tool-card {
    padding: 1.5rem;
    background: var(--udna-white);
    border: 1px solid var(--udna-gray-200);
    border-radius: var(--udna-radius-lg);
    box-shadow: var(--udna-shadow-soft);
    transition: all var(--udna-transition);
    text-decoration: none;
    color: inherit;
    display: block;
    opacity: 0;
    transform: translateY(16px);
}
.udna-tool-card.udna-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s var(--udna-ease), transform 0.5s var(--udna-ease), box-shadow var(--udna-transition), border-color var(--udna-transition);
}
.udna-tool-card:hover {
    border-color: var(--udna-border-gold);
    box-shadow: 0 4px 24px var(--udna-gold-glow);
    transform: translateY(-4px);
    text-decoration: none;
    color: inherit;
}

.udna-tool-icon {
    width: 48px; height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--udna-gold-subtle);
    border-radius: var(--udna-radius-lg);
    color: var(--udna-gold);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.udna-tool-card h4 {
    font-family: var(--udna-font-sans);
    font-size: 1rem;
    font-weight: 600;
    color: var(--udna-text-dark);
    margin: 0 0 0.375rem;
}
.udna-tool-card p {
    font-size: 0.875rem;
    color: var(--udna-text-body);
    margin: 0;
    line-height: 1.6;
}
.udna-tool-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.875rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--udna-gold);
    text-decoration: none;
}
.udna-tool-link:hover { color: var(--udna-gold-light); text-decoration: none; }
.udna-tool-link i { font-size: 0.75rem; }

/* ========================================
   PRIVACY
   ======================================== */
.udna-privacy {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

.udna-privacy-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--udna-white);
    border: 1px solid var(--udna-gray-200);
    border-radius: var(--udna-radius-lg);
    box-shadow: var(--udna-shadow-soft);
    transition: border-color var(--udna-transition);
}
.udna-privacy-item:hover { border-color: var(--udna-border-gold); }

.udna-privacy-icon {
    width: 40px; height: 40px; min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--udna-gold-subtle);
    color: var(--udna-gold);
    border-radius: var(--udna-radius-md);
    font-size: 1rem;
}
.udna-privacy-item h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--udna-text-dark);
    margin: 0 0 0.25rem;
}
.udna-privacy-item p {
    font-size: 0.875rem;
    color: var(--udna-text-muted);
    margin: 0;
    line-height: 1.5;
}

/* ========================================
   FAQ
   ======================================== */
.udna-faq {
    max-width: 720px;
    margin: 0 auto;
}

.udna-faq-item {
    border: 1px solid var(--udna-gray-200);
    border-radius: var(--udna-radius-lg);
    margin-bottom: 0.5rem;
    overflow: hidden;
    background: var(--udna-white);
    box-shadow: var(--udna-shadow-soft);
    transition: border-color var(--udna-transition);
}
.udna-faq-item:hover, .udna-faq-item.open {
    border-color: var(--udna-border-gold);
}

.udna-faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.125rem 1.25rem;
    background: transparent;
    border: none;
    color: var(--udna-text-dark);
    font-family: var(--udna-font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: background var(--udna-trans-fast);
}
.udna-faq-question:hover { background: var(--udna-gray-100); }

.udna-faq-question i {
    flex-shrink: 0;
    color: var(--udna-gold);
    transition: transform var(--udna-transition);
    font-size: 0.875rem;
}
.udna-faq-item.open .udna-faq-question i { transform: rotate(45deg); }

.udna-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s var(--udna-ease);
}
.udna-faq-item.open .udna-faq-answer { max-height: 500px; }

.udna-faq-answer-inner {
    padding: 0 1.25rem 1.125rem;
    font-size: 0.9375rem;
    color: var(--udna-text-body);
    line-height: 1.7;
}

/* ========================================
   PROVIDER CARDS (generic page)
   ======================================== */
.udna-providers {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}

.udna-provider-card {
    display: block;
    padding: 1.5rem;
    background: var(--udna-white);
    border: 1px solid var(--udna-gray-200);
    border-radius: var(--udna-radius-lg);
    text-decoration: none;
    color: var(--udna-text-body);
    box-shadow: var(--udna-shadow-soft);
    transition: all var(--udna-transition);
    position: relative;
}
.udna-provider-card:hover {
    border-color: var(--udna-border-gold);
    box-shadow: 0 4px 24px var(--udna-gold-glow);
    transform: translateY(-4px);
    color: var(--udna-text-dark);
    text-decoration: none;
}
.udna-provider-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--udna-text-dark);
    margin: 0 0 0.375rem;
}
.udna-provider-card p {
    font-size: 0.875rem;
    color: var(--udna-text-muted);
    margin: 0 0 0.75rem;
    line-height: 1.5;
}
.udna-provider-arrow {
    font-size: 0.875rem;
    color: var(--udna-gold);
    font-weight: 600;
    opacity: 0;
    transition: opacity var(--udna-trans-fast);
}
.udna-provider-card:hover .udna-provider-arrow { opacity: 1; }

/* ========================================
   SOCIAL PROOF / STATS STRIP
   ======================================== */
.udna-stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2.5rem;
    padding: 2.5rem 0;
    border-top: 1px solid var(--udna-gray-200);
    border-bottom: 1px solid var(--udna-gray-200);
    background: var(--udna-white);
}
.udna-stat {
    text-align: center;
}
.udna-stat-value {
    font-family: var(--udna-font-serif);
    font-size: 2rem;
    font-weight: 600;
    color: var(--udna-gold);
    line-height: 1;
    margin-bottom: 0.25rem;
}
.udna-stat-label {
    font-size: 0.8125rem;
    color: var(--udna-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   DARK CTA SECTION
   ======================================== */
.udna-cta {
    position: relative;
    padding: 5rem 0;
    background: var(--udna-deep);
    overflow: hidden;
    text-align: center;
}
.udna-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 50% 100%, rgba(201, 164, 48, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 10% 0%, rgba(13, 148, 136, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.udna-cta-content { position: relative; z-index: 1; }

.udna-cta-icon {
    width: 72px; height: 72px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--udna-gold-subtle);
    border: 1px solid var(--udna-border-gold);
    border-radius: 50%;
    color: var(--udna-gold);
    font-size: 1.75rem;
}

.udna-cta-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--udna-gold);
    margin-bottom: 0.75rem;
}

.udna-cta-title {
    font-family: var(--udna-font-serif);
    font-size: clamp(2rem, 4vw + 0.5rem, 3.25rem);
    font-weight: 400;
    color: var(--udna-text-light);
    margin: 0 0 1rem;
    line-height: 1.1;
}

.udna-cta-lead {
    font-size: 1.125rem;
    color: var(--udna-text-lt-muted);
    max-width: 560px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.udna-cta-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Light secondary button for dark CTA section */
.udna-btn-secondary-light {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.75rem;
    background: rgba(255,255,255,0.06);
    color: var(--udna-text-light);
    font-family: var(--udna-font-sans);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: var(--udna-radius-sm);
    transition: all var(--udna-transition);
    white-space: nowrap;
}
.udna-btn-secondary-light:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.5);
    color: var(--udna-text-light);
    transform: translateY(-2px);
    text-decoration: none;
}

/* ========================================
   RELATED LINKS STRIP
   ======================================== */
.udna-related {
    padding: 2.5rem 0;
    border-top: 1px solid var(--udna-gray-200);
}
.udna-related-title {
    text-align: center;
    font-family: var(--udna-font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--udna-text-muted);
    margin-bottom: 1rem;
}
.udna-related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}
.udna-related-links a {
    padding: 0.375rem 1rem;
    background: var(--udna-gray-100);
    color: var(--udna-text-body);
    text-decoration: none;
    border-radius: var(--udna-radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1px solid var(--udna-gray-200);
    transition: all var(--udna-trans-fast);
}
.udna-related-links a:hover {
    background: var(--udna-gold-subtle);
    border-color: var(--udna-border-gold);
    color: var(--udna-gold);
}

/* ========================================
   ENTRANCE ANIMATIONS
   ======================================== */
.udna-animate {
    opacity: 0;
    transform: translateY(24px);
}
.udna-animate.udna-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s var(--udna-ease), transform 0.6s var(--udna-ease);
}
.udna-animate-delay-1.udna-visible { transition-delay: 0.1s; }
.udna-animate-delay-2.udna-visible { transition-delay: 0.2s; }
.udna-animate-delay-3.udna-visible { transition-delay: 0.3s; }

/* Hero content always visible (above fold) */
.udna-hero .udna-animate { opacity: 1; transform: none; }

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 991px) {
    .udna-hero {
        min-height: 70vh;
        padding: 5rem 0 3rem;
    }
}

@media (max-width: 768px) {
    .udna-container { padding: 0 1.25rem; }

    .udna-hero { min-height: 60vh; }
    .udna-hero::before {
        background: rgba(10, 15, 20, 0.88);
    }
    .udna-hero-trust { grid-template-columns: 1fr; gap: 0.625rem; }
    .udna-hero-ctas { flex-direction: column; }
    .udna-btn-primary, .udna-btn-secondary { width: 100%; justify-content: center; }

    .udna-page-nav { display: none; }
    .udna-back-to-top { bottom: 20px; right: 20px; }

    .udna-section { padding: 3rem 0; }
    .udna-section-header { margin-bottom: 2rem; }

    .udna-tools { grid-template-columns: 1fr; }
    .udna-privacy { grid-template-columns: 1fr; }
    .udna-providers { grid-template-columns: 1fr; }
    .udna-stats { gap: 1.5rem; }

    .udna-cta { padding: 3.5rem 0; }
    .udna-cta-actions { flex-direction: column; align-items: center; }
    .udna-btn-secondary-light { width: 100%; justify-content: center; }
}

@media print {
    .udna-page-nav, .udna-back-to-top, .udna-scroll-progress { display: none !important; }
}