/**
 * Copyright (c) 2026 DNA Genics, S.L. All rights reserved.
 * 
 * DNAGENICS Bootstrap Public - Landing Page Framework.
 * Custom CSS Framework for Public Pages adapted from New Age theme with DNAGENICS branding.
 */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* ========================================
   BRAND COLORS & CSS VARIABLES
   ======================================== */

:root {
    /* Brand Colors - Updated for WCAG AA Compliance */
    --dnagenics-primary: #237465;
    --dnagenics-white: #ffffff;
    --dnagenics-teal: #237465;
    --dnagenics-teal-dark: #1a574c;
    --dnagenics-teal-darker: #134238; /* NEW: Even darker for small text on light backgrounds */
    --dnagenics-lime: #C2D053;
    --dnagenics-light-lime: #9CD053;
    --dnagenics-lime-dark: #7A8633; /* Updated: Darker for better contrast with white (4.5:1 ratio) */
    --dnagenics-lime-darker: #5C6426; /* NEW: For small text requiring higher contrast */
    --dnagenics-dark: #041411;
    --dnagenics-gray-50: #f8fafc;
    --dnagenics-gray-100: #f1f5f9;
    --dnagenics-gray-200: #e2e8f0;
    --dnagenics-gray-300: #cbd5e1;
    --dnagenics-gray-400: #94a3b8;
    --dnagenics-gray-600: #475569;
    --dnagenics-gray-700: #334155;
    --dnagenics-gray-800: #1e293b;
    --dnagenics-gray-900: #0f172a;
    
    /* Extended Color Palette */
    --dnagenics-teal-light: rgba(35, 116, 101, 0.1);
    --dnagenics-teal-medium: rgba(35, 116, 101, 0.5);
    --dnagenics-lime-light: rgba(194, 208, 83, 0.1);
    --dnagenics-lime-medium: rgba(194, 208, 83, 0.5);
    
    /* Color gradients */
    --gradient-primary: linear-gradient(135deg, #237465 0%, #C2D053 100%);
    --gradient-soft: linear-gradient(135deg, rgba(35, 116, 101, 0.05) 0%, rgba(194, 208, 83, 0.05) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(35, 116, 101, 0.1) 0%, rgba(194, 208, 83, 0.1) 100%);
    
    /* Typography - Updated 2025
       Strategy: Nunito for body text (warm & approachable), Outfit for hero titles (modern authority)
       Consistent with main application styling
       See: docs/development/font-selection-recommendations.md */
    --dnagenics-font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --dnagenics-font-accent: 'Outfit', sans-serif; /* For hero titles and main headings only */
    --dnagenics-font-body: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --dnagenics-section-padding: 5rem 0;
    --dnagenics-card-border-radius: 15px;
    --dnagenics-button-border-radius: 25px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 0 1px rgba(35, 116, 101, 0.1), 0 4px 16px rgba(35, 116, 101, 0.12);
}

/* ========================================
   BASE STYLES
   ======================================== */

html,
body {
    width: 100%;
    height: 100%;
    font-family: var(--dnagenics-font-family);
}

body {
    font-family: var(--dnagenics-font-family);
    font-size: 16px;
    line-height: 1.55;
    font-weight: 400;
    color: var(--dnagenics-dark);
    background-color: var(--dnagenics-gray-50);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    background-image: radial-gradient(circle at 10% 20%, var(--dnagenics-teal-light) 0%, transparent 50%), 
                      radial-gradient(circle at 80% 80%, var(--dnagenics-lime-light) 0%, transparent 50%);
    background-attachment: fixed;
    letter-spacing: 0;
    box-sizing: border-box;
}

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

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========================================
   LINKS
   ======================================== */

a {
    color: var(--dnagenics-teal);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover, 
a:focus {
    color: var(--dnagenics-lime);
    text-decoration: none;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--dnagenics-font-family);
    font-weight: 600;
    letter-spacing: 0.3px;
/*    color: var(--dnagenics-teal);*/
    margin-bottom: 1rem;
}

p {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 20px;
    color: var(--dnagenics-dark);
}

hr {
    max-width: 100px;
    margin: 25px auto 0;
    border-width: 1px;
    border-color: var(--dnagenics-teal-light);
}

hr.light {
    border-color: white;
}

/* Brand-specific typography classes */
.dnagenics-hero-title {
    font-family: var(--dnagenics-font-family);
    font-weight: 700;
    font-size: 3.5rem;
    line-height: 1.1;
    color: var(--dnagenics-teal);
    margin-bottom: 1.5rem;
}

.dnagenics-section-title {
    font-family: var(--dnagenics-font-family);
    font-weight: 600;
    font-size: 2.5rem;
    line-height: 1.2;
    color: var(--dnagenics-teal);
    margin-bottom: 2rem;
}

.dnagenics-subtitle {
    font-family: var(--dnagenics-font-family);
    font-weight: 400;
    font-size: 1.25rem;
    line-height: 1.5;
    color: var(--dnagenics-dark);
    margin-bottom: 1rem;
}

.dnagenics-tagline {
    font-family: var(--dnagenics-font-family);
    font-weight: 500;
    font-size: 1.3rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--dnagenics-lime);
    text-shadow: 0 1px 4px rgba(35, 116, 101, 0.18), 0 0px 1px #fff;
}

/* Responsive typography */
@media (max-width: 768px) {
    .dnagenics-hero-title {
        font-size: 2.5rem;
    }
    
    .dnagenics-section-title {
        font-size: 2rem;
    }
    
    p {
        font-size: 16px;
    }
}

/* ========================================
   SECTIONS
   ======================================== */

section {
    padding: var(--dnagenics-section-padding);
    font-family: var(--dnagenics-font-family);
}

section h2 {
    font-size: 50px;
    font-weight: 600;
    color: var(--dnagenics-teal);
}

.section-dnagenics {
    padding: var(--dnagenics-section-padding);
    font-family: var(--dnagenics-font-family);
}

.section-dnagenics-hero {
    background: linear-gradient(135deg, var(--dnagenics-teal-light) 0%, var(--dnagenics-lime-light) 100%);
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.section-dnagenics-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, var(--dnagenics-lime-medium) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, var(--dnagenics-teal-medium) 0%, transparent 50%);
    opacity: 0.3;
}

.section-dnagenics-dark {
    background-color: var(--dnagenics-dark);
    color: var(--dnagenics-white);
}

/* ========================================
   NAVIGATION
   ======================================== */

#mainNav {
    backdrop-filter: blur(10px);
    border-color: rgba(34, 34, 34, 0.05);
    background-color: rgba(255, 255, 255, 0.90) !important;
    transition: all .35s;
    font-family: var(--dnagenics-font-family);
    letter-spacing: 0.3px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

#mainNav .navbar-brand {
    color: var(--dnagenics-teal);
    font-family: var(--dnagenics-font-family);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.3px;
    transition: color 0.3s ease;
}

#mainNav .navbar-brand:hover, 
#mainNav .navbar-brand:focus {
    color: var(--dnagenics-lime);
}

#mainNav .navbar-toggler {
    font-size: 20px;
    padding: 8px 10px;
    color: var(--dnagenics-teal);
    border: 2px solid var(--dnagenics-teal);
    border-radius: 50%;
    transition: all 0.3s ease;
}

#mainNav .navbar-toggler:hover {
    background-color: var(--dnagenics-teal);
    color: var(--dnagenics-white);
}

#mainNav .navbar-nav > li > a {
    font-size: 16px !important;
    font-family: var(--dnagenics-font-family);
    letter-spacing: 0.5px; /* Reduced from 1px for better readability */
    text-transform: uppercase; /* Keep for public pages brand consistency */
    font-weight: 500;
    color: var(--dnagenics-dark);
    transition: all 0.3s ease;
    position: relative;
}

#mainNav .navbar-nav > li > a.active {
    color: var(--dnagenics-teal) !important;
    background-color: transparent;
    font-weight: 600;
}

#mainNav .navbar-nav > li > a.active:hover {
    background-color: transparent;
}

#mainNav .navbar-nav > li > a,
#mainNav .navbar-nav > li > a:focus {
    color: var(--dnagenics-dark);
}

#mainNav .navbar-nav > li > a:hover,
#mainNav .navbar-nav > li > a:focus:hover {
    color: var(--dnagenics-teal);
}

/* Navigation underline effect - DISABLED: Gradient line removed */
/* #mainNav .navbar-nav > li > a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--dnagenics-teal) 0%, var(--dnagenics-lime) 100%);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

#mainNav .navbar-nav > li > a:hover::after,
#mainNav .navbar-nav > li > a.active::after {
    width: 80%;
} */

@media (min-width: 992px) {
    #mainNav {
        border-color: rgba(34, 34, 34, 0.1);
        background-color: var(--dnagenics-white);
    }

    #mainNav .navbar-brand {
        color: var(--dnagenics-teal);
    }

    #mainNav .navbar-brand:hover, 
    #mainNav .navbar-brand:focus {
        color: var(--dnagenics-lime);
    }

    #mainNav .navbar-nav > li > a,
    #mainNav .navbar-nav > li > a:focus {
        color: var(--dnagenics-dark);
    }

    #mainNav .navbar-nav > li > a:hover,
    #mainNav .navbar-nav > li > a:focus:hover {
        color: var(--dnagenics-teal);
    }

    #mainNav.navbar-shrink {
        border-color: rgba(34, 34, 34, 0.1);
        background-color: var(--dnagenics-white);
    }

    #mainNav.navbar-shrink .navbar-brand {
        color: var(--dnagenics-teal);
    }

    #mainNav.navbar-shrink .navbar-brand:hover, 
    #mainNav.navbar-shrink .navbar-brand:focus {
        color: var(--dnagenics-lime);
    }

    #mainNav.navbar-shrink .navbar-nav > li > a,
    #mainNav.navbar-shrink .navbar-nav > li > a:focus {
        color: var(--dnagenics-dark);
    }

    #mainNav.navbar-shrink .navbar-nav > li > a:hover,
    #mainNav.navbar-shrink .navbar-nav > li > a:focus:hover {
        color: var(--dnagenics-teal);
    }
}

/* ========================================
   NAVBAR BRAND LOGO
   ======================================== */

.navbar-brand-logo {
    background: url(/img/logo-full-slogan-2025-v1.svg) no-repeat left;
    height: 55px;
    width: 200px !important;
    margin: 0px;
    background-size: 200px;
}

@media (min-width: 768px) {
    .navbar-brand-logo {
        background: url(/img/logo-full-slogan-2025-v1.svg) no-repeat left;
        height: 60px;
        margin: 5px;
        background-size: 165px;
    }
}

/* ========================================
   HEADER/MASTHEAD
   ======================================== */

header.masthead {
    position: relative;
    width: 100%;
    padding-top: 150px;
    padding-bottom: 100px;
    color: white;
    background: url("../img/bg-pattern.png"), linear-gradient(135deg, var(--dnagenics-teal) 0%, var(--dnagenics-lime) 100%);
    background-attachment: fixed;
}

header.masthead .header-content {
    max-width: 500px;
    margin-bottom: 100px;
    text-align: center;
}

header.masthead .header-content h1 {
    font-size: 30px;
    font-family: var(--dnagenics-font-family);
    font-weight: 700;
    color: white;
}

header.masthead .device-container {
    max-width: 325px;
    margin-right: auto;
    margin-left: auto;
}

header.masthead .device-container .screen img {
    border-radius: var(--dnagenics-card-border-radius);
}

@media (min-width: 992px) {
    header.masthead {
        height: 100vh;
        min-height: 775px;
        padding-top: 0;
        padding-bottom: 0;
    }

    header.masthead .header-content {
        margin-bottom: 0;
        text-align: left;
    }

    header.masthead .header-content h1 {
        font-size: 50px;
    }

    header.masthead .device-container {
        max-width: 325px;
    }
}

/* ========================================
   BUTTONS
   ======================================== */

/* ========================================
   BUTTONS (2025 Update)
   Redesigned for better UX and accessibility
   ======================================== */

.btn {
    border-radius: 8px; /* Updated from 25px for modern look */
    font-family: var(--dnagenics-font-family);
    letter-spacing: 0.2px; /* Reduced from 0.3px for Nunito */
    text-transform: none; /* Removed uppercase for better readability */
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px 0 rgba(0,0,0,.06) !important;
    margin-bottom: 0.5rem; /* Equivalent to mb-2 */
    margin-right: 0.5rem; /* Equivalent to mr-2 */
}

.btn-xl {
    font-size: 11px;
    padding: 15px 45px;
}

/* Primary DNAGENICS Button */
.btn-primary {
    background-color: var(--dnagenics-teal);
    border: 2px solid var(--dnagenics-teal);
    color: var(--dnagenics-white);
    box-shadow: 0 2px 8px rgba(35, 116, 101, 0.2);
}

.btn-primary:hover {
    background-color: var(--dnagenics-teal-dark);
    border-color: var(--dnagenics-teal-dark);
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 12px rgba(35, 116, 101, 0.3);
    color: var(--dnagenics-white);
}

.btn-primary:focus,
.btn-primary:active {
    outline: 3px solid var(--dnagenics-lime-dark);
    outline-offset: 2px;
    background-color: var(--dnagenics-teal-dark);
    border-color: var(--dnagenics-teal-dark);
    color: var(--dnagenics-white);
}

.btn-primary:disabled,
.btn-primary.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Success Button */
.btn-success {
    background-color: var(--dnagenics-teal);
    border: 2px solid var(--dnagenics-teal);
    color: var(--dnagenics-white);
    box-shadow: 0 2px 8px rgba(35, 116, 101, 0.2);
}

.btn-success:hover, 
.btn-success:focus, 
.btn-success:active, 
.btn-success.active {
    background-color: var(--dnagenics-teal-dark);
    border-color: var(--dnagenics-teal-dark);
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 12px rgba(35, 116, 101, 0.3);
    color: var(--dnagenics-white);
    outline: 3px solid var(--dnagenics-lime-dark);
    outline-offset: 2px;
}

.btn-success:disabled,
.btn-success.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Outline Button */
.btn-outline {
    color: white;
    border: 2px solid white;
    background-color: transparent;
}

.btn-outline:hover, 
.btn-outline:focus, 
.btn-outline:active, 
.btn-outline.active {
    color: var(--dnagenics-teal);
    border-color: white;
    background-color: white;
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 12px rgba(255,255,255,0.2);
}

.btn-outline:focus {
    outline: 3px solid var(--dnagenics-lime-dark);
    outline-offset: 2px;
}

.btn-outline-success {
    color: var(--dnagenics-lime);
    border: 2px solid var(--dnagenics-lime);
    background-color: transparent;
}

.btn-outline-success:hover, 
.btn-outline-success:focus, 
.btn-outline-success:active, 
.btn-outline-success.active {
    color: var(--dnagenics-teal);
    border-color: var(--dnagenics-lime);
    background-color: var(--dnagenics-lime);
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 12px rgba(194, 208, 83, 0.2);
}

.btn-outline-success:focus {
    outline: 3px solid var(--dnagenics-lime-dark);
    outline-offset: 2px;
}

/* ========================================
   CARDS
   ======================================== */

.card {
    margin-bottom: 0.5rem; /* Equivalent to mb-2 */
    margin-right: 0.5rem; /* Equivalent to mr-2 */
}

/* ========================================
   SECTIONS - DOWNLOAD
   ======================================== */

section.download {
    position: relative;
    padding: 150px 0;
    background: linear-gradient(135deg, var(--dnagenics-teal-light) 0%, var(--dnagenics-lime-light) 100%);
}

section.download h2 {
    font-size: 50px;
    margin-top: 0;
    color: var(--dnagenics-teal);
}

section.download .badges .badge-link {
    display: block;
    margin-bottom: 25px;
}

section.download .badges .badge-link:last-child {
    margin-bottom: 0;
}

section.download .badges .badge-link img {
    height: 60px;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

section.download .badges .badge-link:hover img {
    transform: scale(1.05);
}

@media (min-width: 768px) {
    section.download .badges .badge-link {
        display: inline-block;
        margin-bottom: 0;
        margin-right: 15px;
    }
    
    section.download h2 {
        font-size: 70px;
    }
}

/* ========================================
   SECTIONS - FEATURES
   ======================================== */

section.features .section-heading {
    margin-bottom: 100px;
}

section.features .section-heading h2 {
    margin-top: 0;
    color: var(--dnagenics-teal);
}

section.features .section-heading p {
    margin-bottom: 0;
    color: var(--dnagenics-dark);
}

section.features .device-container,
section.features .feature-item {
    max-width: 325px;
    margin: 0 auto;
}

section.features .device-container {
    margin-bottom: 100px;
}

@media (min-width: 992px) {
    section.features .device-container {
        margin-bottom: 0;
    }
}

section.features .feature-item {
    padding-top: 50px;
    padding-bottom: 50px;
    text-align: center;
}

section.features .feature-item h3 {
    font-size: 30px;
    color: var(--dnagenics-teal);
}

section.features .feature-item i {
    font-size: 80px;
    display: block;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--dnagenics-teal) 0%, var(--dnagenics-lime) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ========================================
   SECTIONS - CTA
   ======================================== */

section.cta {
    position: relative;
    padding: 250px 0;
    background-image: url("../img/bg-cta.jpg");
    background-position: center;
    background-size: cover;
}

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

section.cta .cta-content h2 {
    font-size: 50px;
    max-width: 450px;
    margin-top: 0;
    margin-bottom: 25px;
    color: white;
    font-family: var(--dnagenics-font-family);
    font-weight: 700;
}

section.cta .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(35, 116, 101, 0.8) 0%, rgba(194, 208, 83, 0.6) 100%);
}

@media (min-width: 768px) {
    section.cta .cta-content h2 {
        font-size: 80px;
    }
}

/* ========================================
   SECTIONS - CONTACT
   ======================================== */

section.contact {
    text-align: center;
    background-color: var(--dnagenics-white);
}

section.contact h2 {
    margin-top: 0;
    margin-bottom: 25px;
    color: var(--dnagenics-teal);
}

section.contact h2 i {
    color: var(--dnagenics-lime);
}

section.contact ul.list-social {
    margin-bottom: 0;
}

section.contact ul.list-social li a {
    font-size: 40px;
    line-height: 80px;
    display: block;
    width: 80px;
    height: 80px;
    color: white;
    border-radius: 50%;
    transition: all 0.3s ease;
}

section.contact ul.list-social li.social-twitter a {
    background-color: #1da1f2;
}

section.contact ul.list-social li.social-twitter a:hover {
    background-color: #0d95e8;
    transform: translateY(-2px); /* Reduced from -3px for accessibility */
}

section.contact ul.list-social li.social-facebook a {
    background-color: #3b5998;
}

section.contact ul.list-social li.social-facebook a:hover {
    background-color: #344e86;
    transform: translateY(-2px); /* Reduced from -3px for accessibility */
}

section.contact ul.list-social li.social-google-plus a {
    background-color: #dd4b39;
}

section.contact ul.list-social li.social-google-plus a:hover {
    background-color: #d73925;
    transform: translateY(-2px); /* Reduced from -3px for accessibility */
}

/* ========================================
   FOOTER
   ======================================== */

footer {
    padding: 25px 0;
    text-align: left;
    color: rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, var(--dnagenics-dark) 0%, var(--dnagenics-teal) 100%);
    font-family: var(--dnagenics-font-family);
}

footer p {
    font-size: 12px;
    margin: 0;
}

footer ul {
    margin-bottom: 0;
}

footer ul li a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.3);
    transition: color 0.3s ease;
}

footer ul li a:hover, 
footer ul li a:focus, 
footer ul li a:active, 
footer ul li a.active {
    text-decoration: none;
    color: var(--dnagenics-lime);
}

/* ========================================
   BRAND COLOR UTILITIES
   ======================================== */

.bg-primary {
    background: var(--dnagenics-teal) !important;
}

.bg-success {
    background-color: var(--dnagenics-light-lime) !important;
}

.text-primary {
    color: var(--dnagenics-teal) !important;
}

.text-success {
    color: var(--dnagenics-light-lime) !important;
}

/* ========================================
   UTILITIES
   ======================================== */

.no-gutter > [class*='col-'] {
    padding-right: 0;
    padding-left: 0;
}

.outer-image-container {
    max-width: 500px;
}

.homeSublink {
    color: var(--dnagenics-dark) !important;
}

.homeSublink:hover {
    color: var(--dnagenics-lime) !important;
}

.section-background-1 {
    background-image: url('/img/ui/backgrounds/background/background1.jpg');
    background-size: cover;
    background-position: center;
}

.content-body {
    margin-top: 71px;
}

/* Brand gradient backgrounds */
.bg-gradient-dnagenics-primary {
    background: linear-gradient(135deg, var(--dnagenics-teal) 0%, var(--dnagenics-lime) 100%);
}

.bg-gradient-dnagenics-secondary {
    background: linear-gradient(135deg, var(--dnagenics-lime) 0%, var(--dnagenics-light-lime) 100%);
}

/* Text gradients */
.text-gradient-dnagenics {
    background: linear-gradient(135deg, var(--dnagenics-teal) 0%, var(--dnagenics-lime) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Box shadows */
.shadow-dnagenics-light {
    box-shadow: 0 4px 15px rgba(35, 116, 101, 0.1);
}

.shadow-dnagenics-medium {
    box-shadow: 0 8px 25px rgba(35, 116, 101, 0.2);
}

.shadow-dnagenics-heavy {
    box-shadow: 0 15px 35px rgba(35, 116, 101, 0.3);
}

/* Border radius utilities */
.rounded-dnagenics {
    border-radius: var(--dnagenics-card-border-radius);
}

.rounded-dnagenics-pill {
    border-radius: var(--dnagenics-button-border-radius);
}

/* ========================================
   CONTAINER RESPONSIVE
   ======================================== */

.container-fluid, 
.container-sm, 
.container-md, 
.container-lg, 
.container-xl, 
.container-xxl {
    width: 100%;
    padding-right: 0.75rem;
    padding-left: 0.75rem;
    margin-right: auto;
    margin-left: auto;
}

@media (min-width: 576px) {
    .container, .container-sm {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container, .container-sm, .container-md {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container, .container-sm, .container-md, .container-lg {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container, .container-sm, .container-md, .container-lg, .container-xl {
        max-width: 1140px;
    }
}

@media (min-width: 1400px) {
    .container, .container-sm, .container-md, .container-lg, .container-xl, .container-xxl {
        max-width: 1320px;
    }
}

/* ========================================
   NAVBAR RESPONSIVE
   ======================================== */

@media (max-width: 1399.98px) {
    .navbar-expand-xxl > .container,
    .navbar-expand-xxl > .container-fluid, 
    .navbar-expand-xxl > .container-sm, 
    .navbar-expand-xxl > .container-md, 
    .navbar-expand-xxl > .container-lg, 
    .navbar-expand-xxl > .container-xl, 
    .navbar-expand-xxl > .container-xxl {
        padding-right: 0;
        padding-left: 0;
    }
}

@media (min-width: 1400px) {
    .navbar-expand-xxl {
        flex-flow: row nowrap;
        justify-content: flex-start;
    }

    .navbar-expand-xxl .navbar-nav {
        flex-direction: row;
    }

    .navbar-expand-xxl .navbar-nav .dropdown-menu {
        position: absolute;
    }

    .navbar-expand-xxl .navbar-nav .nav-link {
        padding-right: 0.5rem;
        padding-left: 0.5rem;
    }

    .navbar-expand-xxl > .container,
    .navbar-expand-xxl > .container-fluid, 
    .navbar-expand-xxl > .container-sm, 
    .navbar-expand-xxl > .container-md, 
    .navbar-expand-xxl > .container-lg, 
    .navbar-expand-xxl > .container-xl, 
    .navbar-expand-xxl > .container-xxl {
        flex-wrap: nowrap;
    }

    .navbar-expand-xxl .navbar-collapse {
        display: flex !important;
        flex-basis: auto;
    }

    .navbar-expand-xxl .navbar-toggler {
        display: none;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes dnagenics-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(194, 208, 83, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(194, 208, 83, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(194, 208, 83, 0);
    }
}

.dnagenics-pulse {
    animation: dnagenics-pulse 2s infinite;
}

/* Fade in up animation */
@keyframes dnagenics-fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dnagenics-fade-in-up {
    animation: dnagenics-fade-in-up 0.6s ease-out;
}

/* ========================================
   MOBILE OPTIMIZATIONS
   ======================================== */

@media (max-width: 575.98px) {
    .section-dnagenics {
        padding: 3rem 0;
    }
    
    .section-dnagenics-hero {
        padding: 5rem 0;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    body {
        font-size: 15px;
        line-height: 1.5;
    }
}

@media (max-width: 767.98px) {
    .navbar {
        padding: 0.5rem 0;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .section-dnagenics-hero {
        background: none !important;
    }
    
    .bg-gradient-dnagenics-primary,
    .bg-gradient-dnagenics-secondary {
        background: var(--dnagenics-white) !important;
        color: var(--dnagenics-dark) !important;
    }
    
    body {
        background: white !important;
        background-image: none !important;
        color: var(--dnagenics-dark) !important;
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states for better accessibility */
.btn:focus,
.navbar-nav .nav-link:focus {
    outline: 2px solid var(--dnagenics-lime);
    outline-offset: 2px;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    body.dark-mode-auto {
        color: var(--dnagenics-gray-100);
        background-color: var(--dnagenics-dark);
        background-image: radial-gradient(circle at 10% 20%, rgba(35, 116, 101, 0.05) 0%, transparent 50%), 
                          radial-gradient(circle at 80% 80%, rgba(194, 208, 83, 0.05) 0%, transparent 50%);
    }
}

/* ========================================
   ACCESSIBILITY (2025 Update)
   Enhanced focus states and motion preferences
   ======================================== */

/* Reduced Motion Support - Enhanced */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    /* Disable transforms in reduced motion */
    .btn:hover, 
    .btn-primary:hover, 
    .btn-success:hover, 
    .btn-outline:hover, 
    .btn-outline-success:hover,
    .badge-dnagenics:hover,
    .social-link:hover {
        transform: none !important;
    }
}

/* Enhanced Focus Indicators for Keyboard Navigation */
.btn:focus-visible {
    outline: 3px solid var(--dnagenics-lime-dark);
    outline-offset: 2px;
}

#mainNav .navbar-nav > li > a:focus-visible {
    outline: 3px solid var(--dnagenics-lime-dark);
    outline-offset: 2px;
}

a:focus-visible {
    outline: 3px solid var(--dnagenics-lime-dark);
    outline-offset: 2px;
}

/* Remove focus styles for mouse users */
.btn:focus:not(:focus-visible) {
    outline: none;
}

#mainNav .navbar-nav > li > a:focus:not(:focus-visible) {
    outline: none;
}