/* DDOSoft Website Styles */

/* ==========================================================================
   CSS Reset and Base Styles
   ========================================================================== */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ==========================================================================
   CSS Custom Properties (Variables)
   ========================================================================== */

:root {
    /* Color Palette */
    --color-primary: #22c55e;           /* Green - primary brand color */
    --color-primary-light: #4ade80;     /* Light green */
    --color-primary-dark: #16a34a;      /* Dark green */
    --color-secondary: #0ea5e9;         /* Blue accent */
    --color-secondary-dark: #0284c7;    /* Dark blue */

    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Typography */
    --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-family-heading: var(--font-family-primary);

    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */
    --font-size-5xl: 3rem;        /* 48px */

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;

    /* Spacing */
    --spacing-xs: 0.5rem;     /* 8px */
    --spacing-sm: 0.75rem;    /* 12px */
    --spacing-md: 1rem;       /* 16px */
    --spacing-lg: 1.5rem;     /* 24px */
    --spacing-xl: 2rem;       /* 32px */
    --spacing-2xl: 2.5rem;    /* 40px */
    --spacing-3xl: 3rem;      /* 48px */
    --spacing-4xl: 4rem;      /* 64px */
    --spacing-5xl: 5rem;      /* 80px */

    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-Index */
    --z-header: 100;
    --z-mobile-menu: 200;
    --z-modal: 1000;
}

/* ==========================================================================
   Base Elements
   ========================================================================== */

html {
    scroll-behavior: smooth;
    font-size: 100%;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-relaxed);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover,
a:focus {
    color: var(--color-primary-dark);
}

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

/* Lists */
ul, ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

li {
    margin-bottom: var(--spacing-xs);
}

/* ==========================================================================
   Layout Components
   ========================================================================== */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Section Spacing */
section {
    padding: var(--spacing-5xl) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section__title {
    margin-bottom: var(--spacing-md);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   Button Components
   ========================================================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
    line-height: 1.5;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn--primary:hover,
.btn--primary:focus {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--secondary:hover,
.btn--secondary:focus {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: var(--z-header);
    transition: all var(--transition-normal);
}

.nav__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav__logo {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-decoration: none;
}

.nav__logo:hover {
    color: var(--color-primary-dark);
}

.nav__menu {
    display: flex;
    align-items: center;
}

.nav__list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-xl);
}

.nav__link {
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link:hover,
.nav__link:focus {
    color: var(--color-primary);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav__link:hover::after {
    width: 100%;
}

/* Language Select Dropdown */
.nav__item--lang {
    display: flex;
    align-items: center;
    margin-left: var(--spacing-sm);
}

.nav__lang-select {
    background: var(--color-primary);
    color: white;
    border: 2px solid var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 50px;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M8 10.5L4 6.5h8L8 10.5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 12px;
    padding-right: var(--spacing-lg);
}

.nav__lang-select:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.nav__lang-select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    background-color: var(--color-primary-dark);
}

/* High contrast dropdown options for better visibility */
.nav__lang-select option {
    background: white;
    color: var(--color-gray-800);
    padding: var(--spacing-sm);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    border: none;
    line-height: 1.5;
}

.nav__lang-select option:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

.nav__lang-select option:checked {
    background: var(--color-primary);
    color: white;
    font-weight: var(--font-weight-bold);
}

/* Ensure proper contrast in different browsers */
.nav__lang-select option:focus {
    background: var(--color-primary-light);
    color: var(--color-gray-900);
    outline: 2px solid var(--color-primary);
}

/* Mobile language selection adjustments */
@media (max-width: 480px) {
    .nav__lang-select {
        min-width: 45px;
        padding: 6px 24px 6px 10px;
        font-size: 12px;
    }

    .nav__lang-select option {
        font-size: 14px;
        padding: 8px;
    }

    .nav__item--lang {
        margin-left: var(--spacing-xs);
    }
}

/* Mobile Menu Toggle */
.nav__toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    gap: 4px;
}

.nav__toggle-bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-700);
    transition: all var(--transition-fast);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    padding-top: calc(70px + var(--spacing-5xl));
    padding-bottom: var(--spacing-5xl);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    min-height: 500px;
}

.hero__title {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-2xl);
    line-height: var(--line-height-relaxed);
}

.hero__actions {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero__visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__graphic {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    animation: float 3s ease-in-out infinite;
}

.hero__icon {
    font-size: 4rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about {
    background-color: var(--color-white);
}

.about__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.about__content {
    margin-bottom: var(--spacing-4xl);
}

.about__text h3 {
    color: var(--color-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.about__text h3:first-child {
    margin-top: 0;
}

/* Team Section */
.team {
    margin-top: 4rem;
    width: 100% !important;
    max-width: none !important;
    padding: 0 2rem;
}

.team__title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    font-weight: 600;
    color: #1f2937;
}

.team__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
    justify-items: center;
}

@media (max-width: 768px) {
    .team__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.team__card {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    max-width: 350px;
    height: fit-content;
}

.team__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.team__photo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background-color: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: center;
}

.team__placeholder {
    font-size: 1.25rem;
    font-weight: 600;
    color: #4b5563;
}

.team__name {
    margin-bottom: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: #1f2937;
}

.team__role {
    color: #6b7280;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.team__social {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.team__link {
    padding: 0.5rem 1rem;
    background-color: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
    text-decoration: none;
    transition: all 0.2s ease;
}

.team__link:hover {
    background-color: #3b82f6;
    border-color: #3b82f6;
    color: #ffffff;
    transform: translateY(-1px);
}

/* ==========================================================================
   Products Section
   ========================================================================== */

.products {
    background-color: var(--color-gray-50);
}

.products__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Products Grid */
.products__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

/* Product Card Styles */
.product-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    height: fit-content;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-card__image {
    width: 100%;
    height: 200px;
    background-color: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--color-gray-200);
}

.product-card__image-placeholder {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card__image-icon {
    font-size: var(--font-size-2xl);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.product-card__content {
    padding: var(--spacing-lg);
}

.product-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.product-card__category {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-card__version {
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
}

.product-card__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    line-height: var(--line-height-tight);
}

.product-card__tagline {
    font-size: var(--font-size-md);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
}

.product-card__excerpt {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
}

.product-card__platforms {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.platform-badge {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.product-card__details-btn {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.product-card__details-btn:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
}

.product-card__details-btn:active {
    transform: translateY(0);
}

/* Product Detail Modal */
.product-detail-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.product-detail-modal.is-active {
    opacity: 1;
    visibility: visible;
}

.product-detail-modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.product-detail-modal__content {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    max-width: 800px;
    max-height: 90vh;
    width: 90%;
    margin: auto;
    position: relative;
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.product-detail-modal.is-active .product-detail-modal__content {
    transform: scale(1);
}

.product-detail-modal__close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-100);
    border: none;
    border-radius: 50%;
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    cursor: pointer;
    z-index: 1001;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-detail-modal__close:hover {
    background-color: var(--color-gray-200);
    color: var(--color-gray-800);
}

.product-detail-modal__body {
    padding: var(--spacing-2xl);
    max-height: 80vh;
    overflow-y: auto;
}

/* Product Detail Content Styles */
.product-detail {
    max-width: none;
}

.product-detail__header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
}

.product-detail__name {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-3xl);
}

.product-detail__tagline {
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.product-detail__version {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    font-weight: var(--font-weight-medium);
    background-color: var(--color-gray-100);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    display: inline-block;
}

.product-detail__content {
    display: grid;
    gap: var(--spacing-2xl);
}

.product-detail__intro {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
    font-size: var(--font-size-lg);
    margin: var(--spacing-lg) 0;
}

.product-detail__features h4,
.product-detail__platforms h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.feature-list {
    list-style: none;
    padding: 0;
}

    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

    border-bottom: none;
}

    color: var(--color-primary);
}

.platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-md);
}

.platform {
    background-color: var(--color-gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
}

.platform h5 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.platform ul {
    margin-bottom: 0;
}

.platform li {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.product-detail__cta {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

.product-detail__cta .btn {
    margin: 0 var(--spacing-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
    .products__grid {
        grid-template-columns: 1fr;
    }

    .product-detail-modal__content {
        width: 95%;
        margin: var(--spacing-md);
    }

    .product-detail-modal__body {
        padding: var(--spacing-lg);
    }

    .platforms {
        grid-template-columns: 1fr;
    }
}

/* Benefits Section */
.benefits__title {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.benefit {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.benefit:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.benefit__icon {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    display: block;
}

.benefit__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.benefit__description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin-bottom: 0;
}

/* ==========================================================================
   References Section
   ========================================================================== */

.references {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    padding: var(--spacing-5xl) 0;
    position: relative;
}

.references__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.references__section {
    margin-bottom: var(--spacing-3xl);
}

.references__section:last-child {
    margin-bottom: 0;
}

.references__section-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.references__section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
}

/* Logo Grid Styles */
.logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: var(--spacing-xs);
    align-items: center;
    justify-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6px;
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    min-height: 65px;
    width: 100%;
    max-width: 90px;
    cursor: pointer;
}

.logo-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.logo-item__image {
    width: 32px;
    height: 32px;
    object-fit: contain;
    margin-bottom: 4px;
    transition: all var(--transition-normal);
    filter: grayscale(100%) opacity(0.7);
}

.logo-item:hover .logo-item__image {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.05);
}

.logo-item__label {
    font-size: 10px;
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    text-align: center;
    transition: color var(--transition-normal);
    line-height: 1.1;
}

.logo-item:hover .logo-item__label {
    color: var(--color-primary);
}

.logo-item:hover .logo-item__label {
    color: var(--color-primary);
}

/* Specific logo grid variations */
.logo-grid--technologies .logo-item {
    border-left: 4px solid var(--color-primary);
}

.logo-grid--infrastructure .logo-item {
    border-left: 4px solid var(--color-secondary);
}

.logo-grid--tools .logo-item {
    border-left: 4px solid var(--color-primary-dark);
}

/* Success Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.metric-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.metric-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.metric-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary-light);
}

.metric-item__number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(34, 197, 94, 0.1);
}

.metric-item__label {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    font-weight: var(--font-weight-medium);
    text-align: center;
    line-height: var(--line-height-normal);
}

/* Responsive Design */
@media (max-width: 768px) {
    .references {
        padding: var(--spacing-3xl) 0;
    }

    .references__section {
        margin-bottom: var(--spacing-2xl);
    }

    .logo-grid {
        grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
        gap: 4px;
    }

    .logo-item {
        min-height: 60px;
        padding: 4px;
    }

    .logo-item__image {
        width: 32px;
        height: 32px;
    }

    .logo-item__label {
        font-size: 9px;
    }

    .metrics-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-lg);
    }

    .metric-item {
        padding: var(--spacing-xl);
    }

    .metric-item__number {
        font-size: var(--font-size-3xl);
    }

    .metric-item__label {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .logo-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2px;
    }

    .logo-item {
        min-height: 55px;
        padding: 2px;
    }

    .logo-item__image {
        width: 32px;
        height: 32px;
    }

    .logo-item__label {
        font-size: 8px;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .references__section-title {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-lg);
    }
}

/* Loading and hover animations */
@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-2px); }
}

.logo-item:hover {
    animation: logoFloat 2s ease-in-out infinite;
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    .logo-item,
    .metric-item,
    .logo-item__image,
    .logo-item__label {
        transition: none;
        animation: none;
    }

    .logo-item:hover,
    .metric-item:hover {
        transform: none;
    }
}

/* Focus styles for accessibility */
.logo-item:focus,
.metric-item:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.references__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

    margin-top: var(--spacing-4xl);
    position: relative;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

    display: flex;
    transition: transform var(--transition-slow) ease-in-out;
    will-change: transform;
}

    flex: 0 0 100%;
    opacity: 0;
    transform: translateX(20px);
    transition: all var(--transition-slow) ease-in-out;
    padding: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    margin: 0 var(--spacing-md);
    min-height: 350px;
    display: flex;
    align-items: center;
}

    opacity: 1;
    transform: translateX(0);
}

    width: 100%;
}

    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--color-primary);
}

/* Success Metrics Slide */
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.stat-item:hover {
    border-color: var(--color-primary-light);
    background: var(--color-white);
    transform: translateY(-2px);
}

.stat-item__number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-item__label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    font-weight: var(--font-weight-medium);
}

/* Professional Background Slide */
    text-align: center;
}

    margin-bottom: var(--spacing-xl);
    position: relative;
}

    content: '"';
    font-size: 4rem;
    color: var(--color-primary-light);
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-family: serif;
}

    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    line-height: var(--line-height-relaxed);
    font-style: italic;
    margin: 0;
    padding-top: var(--spacing-xl);
}

    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-normal);
}

    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

/* Technology Excellence Slide */
    text-align: center;
}

    font-size: var(--font-size-2xl);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
    font-weight: var(--font-weight-bold);
}

    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--color-gray-50);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

    background: var(--color-primary-light);
    color: var(--color-white);
    transform: translateY(-2px);
}

    font-size: var(--font-size-xl);
}

    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

/* Open Source Contribution Slide */
    text-align: center;
}

    font-size: var(--font-size-2xl);
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-lg);
    font-weight: var(--font-weight-bold);
}

    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-gray-50);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
}

    background: var(--color-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

    font-size: var(--font-size-3xl);
}

    text-align: left;
}

    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xs);
}

    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
}

/* Navigation Controls */
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-4xl);
}

    width: 50px;
    height: 50px;
    border: 2px solid var(--color-gray-300);
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: var(--font-size-2xl);
    color: var(--color-gray-600);
}

    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.05);
}

    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

    border-color: var(--color-gray-300);
    background: var(--color-white);
    color: var(--color-gray-600);
}

.nav-btn__icon {
    line-height: 1;
    font-weight: bold;
}

    display: flex;
    gap: var(--spacing-sm);
}

    width: 12px;
    height: 12px;
    border: none;
    border-radius: 50%;
    background: var(--color-gray-300);
    cursor: pointer;
    transition: all var(--transition-normal);
}

    background: var(--color-primary);
    transform: scale(1.2);
}

    background: var(--color-primary-light);
    transform: scale(1.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .references {
        padding: var(--spacing-4xl) 0;
    }

        margin: 0 var(--spacing-sm);
        padding: var(--spacing-xl);
        min-height: 300px;
    }

        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .stat-item__number {
        font-size: var(--font-size-3xl);
    }

        font-size: var(--font-size-base);
    }

        justify-content: flex-start;
    }

        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

        gap: var(--spacing-lg);
        margin-top: var(--spacing-2xl);
    }

        width: 44px;
        height: 44px;
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
        margin-top: var(--spacing-2xl);
    }

        margin: 0 var(--spacing-xs);
        padding: var(--spacing-lg);
    }

        font-size: var(--font-size-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }

        padding: var(--spacing-md);
    }
}

/* Reduced Motion Accessibility */
@media (prefers-reduced-motion: reduce) {
    .stat-item,
        transition: none;
    }

        transform: none;
    }
}

/* ==========================================================================
   Articles Section
   ========================================================================== */

.articles {
    background-color: var(--color-white);
}

.articles__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.articles__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

/* Featured Article */
.article--featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    background-color: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.article--featured .article__image {
    height: 250px;
}

.article--featured .article__title {
    font-size: var(--font-size-2xl);
}

.article--featured .article__excerpt {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

/* Regular Articles Grid */
.articles__grid .article:not(.article--featured) {
    display: none; /* Hide by default, show first 3 */
}

.articles__grid .article:nth-child(2),
.articles__grid .article:nth-child(3),
.articles__grid .article:nth-child(4) {
    display: block;
}

/* Show articles in grid after featured */
@media (min-width: 768px) {
    .articles__grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        grid-template-rows: auto auto;
    }

    .article--featured {
        grid-column: 1 / -1;
        margin-bottom: 0;
    }
}

/* Article Card Styles */
.article {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    height: fit-content;
}

.article:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.article__image {
    width: 100%;
    height: 200px;
    background-color: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--color-gray-200);
}

.article__image-placeholder {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.article__image-icon {
    font-size: var(--font-size-2xl);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.article__content {
    padding: var(--spacing-lg);
}

.article__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.article__category {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-medium);
}

.article__date {
    color: var(--color-gray-500);
    font-weight: var(--font-weight-medium);
}

.article__title {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-tight);
}

.article__title a {
    color: var(--color-gray-900);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.article__title a:hover,
.article__title a:focus {
    color: var(--color-primary);
}

.article__excerpt {
    color: var(--color-gray-600);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
}

.article__read-more {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.article__read-more:hover,
.article__read-more:focus {
    color: var(--color-primary-dark);
    transform: translateX(2px);
}

.articles__cta {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

/* ==========================================================================
   Homepage Articles Filter & Load More
   ========================================================================== */

.articles-filter {
    margin-bottom: var(--spacing-xl);
}

.filter__controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: center;
}

.filter__categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.filter__btn {
    background: var(--color-white);
    color: var(--color-gray-700);
    border: 2px solid var(--color-gray-300);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.filter__btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.filter__btn--active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.filter__btn--active:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
}

.filter__search {
    display: flex;
    max-width: 400px;
    width: 100%;
    position: relative;
}

.filter__search-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
    font-size: var(--font-size-base);
    outline: none;
    transition: border-color var(--transition-base);
}

.filter__search-input:focus {
    border-color: var(--color-primary);
}

.filter__search-btn {
    background: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
    border-left: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    cursor: pointer;
    transition: background-color var(--transition-base);
    font-size: var(--font-size-base);
}

.filter__search-btn:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

/* Article visibility states */
.article--hidden {
    display: none !important;
}

.article--filtered {
    display: none !important;
}

/* Load more functionality */
.articles__load-more {
    text-align: center;
    padding-top: var(--spacing-xl);
}

/* No results message */
.no-results-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    color: var(--color-gray-600);
}

.no-results-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .filter__controls {
        gap: var(--spacing-lg);
    }

    .filter__categories {
        gap: var(--spacing-xs);
    }

    .filter__btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }

    .filter__search {
        max-width: 100%;
    }

    .filter__search-input,
    .filter__search-btn {
        font-size: var(--font-size-sm);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

/* ==========================================================================
   Articles Page Specific Styles
   ========================================================================== */

.articles-hero {
    padding-top: calc(70px + var(--spacing-4xl));
    padding-bottom: var(--spacing-3xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.articles-hero__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.articles-hero__title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.articles-hero__description {
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
    opacity: 0.95;
}

/* Articles Filter Section */
.articles-filter {
    background-color: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--spacing-lg) 0;
}

.articles-filter__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.filter__controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter__categories {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter__btn {
    background: none;
    border: 1px solid var(--color-gray-300);
    color: var(--color-gray-600);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.filter__btn:hover,
.filter__btn--active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.filter__search {
    display: flex;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    overflow: hidden;
    min-width: 250px;
}

.filter__search-input {
    flex: 1;
    padding: var(--spacing-xs) var(--spacing-md);
    border: none;
    font-size: var(--font-size-sm);
    background: transparent;
}

.filter__search-input:focus {
    outline: none;
}

.filter__search-btn {
    background: none;
    border: none;
    padding: var(--spacing-xs) var(--spacing-md);
    cursor: pointer;
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

.filter__search-btn:hover {
    color: var(--color-primary);
}

/* Articles Listing */
.articles-listing {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-white);
}

.articles-listing__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.articles-listing .articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.articles-listing .articles-grid .article {
    display: block; /* Override homepage hiding rules */
}

.articles__load-more {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

/* Active navigation link */
.nav__link--active {
    color: var(--color-primary) !important;
}

.nav__link--active::after {
    width: 100% !important;
}

/* Article hidden state for filtering */
.article--hidden {
    display: none !important;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact {
    background-color: var(--color-white);
}

.contact__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-4xl);
    align-items: start;
}

/* Simplified contact content layout */
.contact__content--simple {
    display: block;
    max-width: 800px;
    margin: 0 auto;
}

.contact__content--simple .contact__info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    padding: 0;
}

.contact__content--simple .contact__item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    background-color: var(--color-gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    margin-bottom: 0;
    transition: transform var(--transition-normal);
}

.contact__content--simple .contact__item:hover {
    transform: translateY(-2px);
}

.contact__icon {
    font-size: var(--font-size-3xl);
    min-width: 60px;
    text-align: center;
    line-height: 1;
}

.contact__details {
    flex: 1;
}

.contact__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

.contact__description {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    margin-top: var(--spacing-xs);
}

.contact__form-wrapper {
    background-color: var(--color-gray-50);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
}

.form__group {
    margin-bottom: var(--spacing-lg);
}

.form__label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
}

.form__input,
.form__textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
    background-color: var(--color-white);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

.form__textarea {
    resize: vertical;
    font-family: var(--font-family-primary);
}

.form__submit {
    width: 100%;
}

.contact__info {
    padding: var(--spacing-lg);
}

.contact__item {
    margin-bottom: var(--spacing-xl);
}

.contact__item h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.contact__link {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
}

.contact__address {
    font-style: normal;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    color: var(--color-primary);
}

.contact__address span {
    display: block;
}

.contact__address span:last-child {
    font-weight: var(--font-weight-semibold);
    margin-top: 0.125rem;
}

.social__links {
    display: flex;
    gap: var(--spacing-md);
}

.social__link {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.social__link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-4xl);
    margin-bottom: var(--spacing-2xl);
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.footer__tagline {
    color: var(--color-gray-400);
    margin-bottom: 0;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
}

.footer__title {
    color: var(--color-white);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
}

.footer__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__list li {
    margin-bottom: var(--spacing-sm);
}

.footer__link {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-primary);
}

.footer__bottom {
    border-top: 1px solid var(--color-gray-700);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: 0;
}

.footer__credit {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    margin-top: var(--spacing-xs);
    margin-bottom: 0;
    opacity: 0.8;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Tablet Styles */
@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2rem;        /* 32px */
        --font-size-3xl: 1.5rem;      /* 24px */
        --spacing-5xl: 3rem;          /* 48px */
    }

    .nav__menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        box-shadow: var(--shadow-lg);
        z-index: var(--z-mobile-menu);
    }

    .nav__menu--active {
        display: block;
    }

    .nav__list {
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
    }

    .nav__toggle {
        display: flex;
    }

    .nav__toggle--active .nav__toggle-bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav__toggle--active .nav__toggle-bar:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle--active .nav__toggle-bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }

    .hero__graphic {
        width: 200px;
        height: 200px;
    }

    .hero__actions {
        justify-content: center;
    }

    /* Team section mobile responsiveness */
    .team {
        margin-top: 3rem;
        padding: 0 1rem;
    }

    .team__title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .team__grid {
        display: flex !important;
        flex-direction: column !important;
        gap: 1.5rem;
        max-width: none;
        padding: 0;
    }

    .team__card {
        flex: none !important;
        width: 100% !important;
        max-width: none !important;
        padding: 1.5rem;
    }

    .contact__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .footer__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    /* Articles responsive */
    .article--featured {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }

    .article--featured .article__image {
        height: 200px;
    }

    .articles__grid {
        grid-template-columns: 1fr;
    }

    /* Articles page responsive */
    .articles-hero__title {
        font-size: var(--font-size-3xl);
    }

    .filter__controls {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-md);
    }

    .filter__categories {
        justify-content: center;
    }

    .filter__search {
        min-width: auto;
    }

    .articles-listing .articles-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

/* Mobile Styles */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
        --font-size-5xl: 1.875rem;    /* 30px */
        --font-size-4xl: 1.5rem;      /* 24px */
        --spacing-4xl: 2rem;          /* 32px */
        --spacing-3xl: 1.5rem;        /* 24px */
    }

    .hero__actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .benefits__grid {
        grid-template-columns: 1fr;
    }

    .platforms {
        grid-template-columns: 1fr;
    }

    .product__cta .btn {
        display: block;
        margin-bottom: var(--spacing-sm);
        width: 100%;
    }

    .footer__links {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Accessibility */
@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;
    }
}

/* Focus Styles */
.btn:focus,
.nav__link:focus,
.form__input:focus,
.form__textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Services Section */
.services {
    background-color: #f9fafb;
    padding: 4rem 0;
}

.services__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767px) {
    .services__grid {
        grid-template-columns: 1fr;
    }
}

.service__card {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-align: center;
    border: 1px solid #e5e7eb;
    height: fit-content;
}

.service__card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.service__icon {
    color: #22c55e;
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service__icon svg {
    width: 48px;
    height: 48px;
}

.service__title {
    color: #111827;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.25rem;
}

.service__description {
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.625;
    font-size: 0.95rem;
}

.service__features {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.service__features li {
    color: #374151;
    margin-bottom: 0.75rem;
    padding-left: 1rem;
    position: relative;
    font-size: 0.9rem;
}

.service__features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #22c55e;
    font-weight: 700;
}

.services__expertise {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #e5e7eb;
}

.expertise__title {
    color: #111827;
    margin-bottom: 1.5rem;
    font-weight: 600;
    font-size: 1.25rem;
}

.expertise__tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.expertise__tag {
    background-color: #f3f4f6;
    color: #16a34a;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid #e5e7eb;
    transition: background-color 0.2s ease;
}

.expertise__tag:hover {
    background-color: #e5e7eb;
}

/* Mobile responsiveness for services */
@media (max-width: 640px) {
    .services {
        padding: 3rem 0;
    }

    .services__container {
        padding: 0 1rem;
    }

    .services__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .service__card {
        padding: 1.5rem;
    }

    .service__title {
        font-size: 1.125rem;
    }

    .expertise__tags {
        justify-content: flex-start;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --color-gray-600: #000000;
        --color-gray-700: #000000;
        --color-gray-800: #000000;
        --color-gray-900: #000000;
    }
}