/* =====================================================
   MAIN STYLES - ULTRA MODERN & PREMIUM
   ===================================================== */

/* RESET & GLOBAL STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    font-feature-settings: "kern" 1;
}

body {
    font-family: 'DM Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background: var(--gradient-soft);
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: var(--letter-spacing-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.modern-theme {
    background: linear-gradient(135deg, #f9fafb 0%, #ffffff 50%, #f3f4f6 100%);
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', 'Poppins', sans-serif;
    font-weight: 600;
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    text-rendering: optimizeLegibility;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

h1 {
    font-size: var(--font-h1);
    font-weight: 700;
    margin-bottom: var(--space-xl);
}

h2 {
    font-size: var(--font-h2);
    font-weight: 600;
}

h3 {
    font-size: var(--font-h3);
    font-weight: 600;
}

h4 {
    font-size: var(--font-h4);
    font-weight: 500;
}

p {
    margin-bottom: var(--space-lg);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

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

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

/* Links styling */
.link-primary {
    color: var(--primary);
}

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

.link-secondary {
    color: var(--secondary);
}

.link-secondary:hover {
    color: var(--secondary-dark);
}

/* SCROLLBAR CUSTOM */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 10px;
    border: 2px solid var(--light-gray);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-primary-reverse);
    box-shadow: var(--shadow-medium);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--light-gray);
}

/* TEXT SELECTION */
::selection {
    background: rgba(8, 139, 194, 0.15);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(8, 139, 194, 0.15);
    color: var(--text-primary);
}

/* FOCUS RING */
*:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-small);
}

button:focus,
a:focus {
    outline: 2px solid var(--primary);
    outline-offset: 4px;
}

/* CONTAINER */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    width: 100%;
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

/* PAGE LAYOUT */
.page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.page-content {
    flex: 1;
    width: 100%;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid transparent;
    border-radius: var(--radius-large);
    cursor: pointer;
    transition: var(--transition-soft);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    user-select: none;
    gap: 8px;
}

.btn:hover {
    transform: translateY(-2px);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(8, 139, 194, 0.2);
}

.btn-primary:hover {
    box-shadow: 0 15px 40px rgba(8, 139, 194, 0.3);
}

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

.btn-outline-primary:hover {
    background: rgba(8, 139, 194, 0.1);
    border-color: var(--primary-dark);
    color: var(--primary-dark);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: var(--white);
    box-shadow: 0 10px 30px rgba(120, 181, 47, 0.2);
}

.btn-secondary:hover {
    box-shadow: 0 15px 40px rgba(120, 181, 47, 0.3);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
}

/* CARDS */
.card,
.card-modern {
    background: var(--white);
    border-radius: var(--radius-medium);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-elegant);
    border: 1px solid rgba(44, 62, 80, 0.05);
}

.card:hover,
.card-modern:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
    border-color: var(--primary);
}

.card-sm {
    padding: var(--space-lg);
}

.card-lg {
    padding: var(--space-3xl);
}

/* GLASS EFFECT */
.glass-effect {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-medium);
}

.glass-effect-dark {
    background: rgba(44, 62, 80, 0.5);
    backdrop-filter: var(--backdrop-blur-heavy);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* SECTIONS */
.section {
    position: relative;
    padding: 100px var(--space-xl);
    overflow: hidden;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease-out;
}

.section-subtitle {
    display: inline-block;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    margin-bottom: var(--space-lg);
    padding: 6px 12px;
    background: rgba(8, 139, 194, 0.1);
    border-radius: var(--radius-large);
}

/* Global Text Color - Black */
p {
    color: #000000;
}

h1, h2, h3, h4, h5, h6 {
    color: #000000;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
    color: #000000;
    font-weight: 800;
    line-height: 1.2;
}

.section-description {
    font-size: 1.2rem;
    color: #000000;
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

/* GRID LAYOUTS */
.grid {
    display: grid;
    gap: 30px;
}

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

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* FLEX UTILITIES */
.flex {
    display: flex;
}

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

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

.flex-column {
    flex-direction: column;
}

/* SPACING UTILITIES */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.mt-5 { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }
.mb-5 { margin-bottom: var(--space-2xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-sm); }
.p-2 { padding: var(--space-md); }
.p-3 { padding: var(--space-lg); }
.p-4 { padding: var(--space-xl); }
.p-5 { padding: var(--space-2xl); }

.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.px-2 { padding-left: var(--space-md); padding-right: var(--space-md); }
.px-3 { padding-left: var(--space-lg); padding-right: var(--space-lg); }
.px-4 { padding-left: var(--space-xl); padding-right: var(--space-xl); }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-2 { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.py-3 { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
.py-4 { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
.py-5 { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }

/* TEXT UTILITIES */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-justify {
    text-align: justify;
}

.text-uppercase {
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
}

.text-capitalize {
    text-transform: capitalize;
}

.text-lowercase {
    text-transform: lowercase;
}

.text-muted {
    color: var(--text-muted);
}

.text-light {
    color: var(--text-light);
}

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

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

.text-inverse {
    color: var(--white);
}

.font-bold {
    font-weight: 700;
}

.font-semibold {
    font-weight: 600;
}

.font-medium {
    font-weight: 500;
}

.font-normal {
    font-weight: 400;
}

.font-light {
    font-weight: 300;
}

.italic {
    font-style: italic;
}

/* VISIBILITY */
.hidden {
    display: none !important;
}

.visible {
    visibility: visible;
}

.invisible {
    visibility: hidden;
}

/* OPACITY */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* BACKGROUNDS */
.bg-primary {
    background-color: var(--primary);
}

.bg-secondary {
    background-color: var(--secondary);
}

.bg-accent {
    background-color: var(--accent);
}

.bg-light {
    background-color: var(--light-gray);
}

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

.bg-gradient {
    background: var(--gradient-primary);
}

.bg-gradient-accent {
    background: var(--gradient-accent);
}

/* BORDERS */
.border {
    border: 1px solid var(--medium-gray);
}

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

.border-secondary {
    border-color: var(--secondary);
}

.rounded {
    border-radius: var(--radius-soft);
}

.rounded-lg {
    border-radius: var(--radius-large);
}

.rounded-full {
    border-radius: 9999px;
}

/* SHADOWS */
.shadow-sm {
    box-shadow: var(--shadow-subtle);
}

.shadow {
    box-shadow: var(--shadow-soft);
}

.shadow-lg {
    box-shadow: var(--shadow-medium);
}

.shadow-xl {
    box-shadow: var(--shadow-strong);
}

.shadow-2xl {
    box-shadow: var(--shadow-dramatic);
}

.shadow-neon {
    box-shadow: var(--shadow-neon);
}

/* TRANSITIONS */
.transition-fast {
    transition: var(--transition-swift);
}

.transition {
    transition: var(--transition-soft);
}

.transition-slow {
    transition: var(--transition-elegant);
}

/* WOW ANIMATIONS (Legacy Support) */
.wow {
    visibility: hidden;
    animation-fill-mode: both;
}

@media (max-width: 768px) {
    .section {
        padding: 60px var(--space-lg);
    }

    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    @media (max-width: 480px) {
        .grid-cols-2,
        .grid-cols-3,
        .grid-cols-4 {
            grid-template-columns: 1fr;
        }
    }
}