/* ============================================
   URBÁLI 360 - Global Styles
   Professional SaaS Design with Mesh Gradient Background
   ============================================ */

/* Import Design System Variables */
@import url('variables.css');

/* Import Open Sans Font from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;500;600;700&display=swap');

/* ========== CSS Reset & Base Styles ========== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* ========== Animated Mesh Gradient Background ========== */

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
    pointer-events: none;
    background:
        radial-gradient(circle at 20% 30%,
            var(--color-gradient-accent) 0%,
            transparent 50%),
        radial-gradient(circle at 80% 70%,
            var(--color-gradient-accent) 0%,
            transparent 50%),
        radial-gradient(circle at 50% 50%,
            var(--color-gradient-blue) 0%,
            var(--color-gradient-dark) 100%);
    background-size: 200% 200%;
    animation: meshGradientAnimation 20s ease-in-out infinite;
    opacity: 0.8;
}

@keyframes meshGradientAnimation {
    0% {
        background-position: 0% 0%, 100% 100%, 50% 50%;
    }

    33% {
        background-position: 100% 0%, 0% 100%, 30% 70%;
    }

    66% {
        background-position: 0% 100%, 100% 0%, 70% 30%;
    }

    100% {
        background-position: 0% 0%, 100% 100%, 50% 50%;
    }
}

/* Additional subtle gradient overlay for depth */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-background);
    pointer-events: none;
    background: linear-gradient(135deg,
            rgba(103, 157, 243, 0.05) 0%,
            transparent 50%,
            rgba(172, 254, 64, 0.03) 100%);
    animation: gradientShift 15s ease-in-out infinite alternate;
}

@keyframes gradientShift {
    0% {
        opacity: 0.3;
    }

    100% {
        opacity: 0.6;
    }
}

/* ========== Typography Styles ========== */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-6xl);
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--font-size-5xl);
    letter-spacing: -0.01em;
}

h3 {
    font-size: var(--font-size-4xl);
}

h4 {
    font-size: var(--font-size-3xl);
}

h5 {
    font-size: var(--font-size-2xl);
}

h6 {
    font-size: var(--font-size-xl);
}

p {
    font-weight: var(--font-weight-light);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

strong,
b {
    font-weight: var(--font-weight-bold);
}

em,
i {
    font-style: italic;
}

/* ========== Links ========== */

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
}

a:hover {
    color: var(--color-secondary);
}

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

/* ========== Buttons ========== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-primary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    line-height: 1;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
}

.btn:hover::before {
    opacity: 1;
}

.btn:active {
    transform: translateY(1px);
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Button Variants */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-background);
    box-shadow: var(--shadow-glow-primary);
}

.btn-primary:hover {
    background-color: #9ee838;
    box-shadow: 0 0 30px rgba(172, 254, 64, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow-secondary);
}

.btn-secondary:hover {
    background-color: #5a8ee0;
    box-shadow: 0 0 30px rgba(103, 157, 243, 0.5);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-background);
    box-shadow: var(--shadow-glow-primary);
}

/* Ripple Effect for Micro-interactions */
.btn .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: rippleAnimation 600ms ease-out;
    pointer-events: none;
}

@keyframes rippleAnimation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ========== Utility Classes ========== */

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Text Alignment */
.text-center {
    text-align: center;
}

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

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

/* Font Weights */
.font-light {
    font-weight: var(--font-weight-light);
}

.font-regular {
    font-weight: var(--font-weight-regular);
}

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

.font-semibold {
    font-weight: var(--font-weight-semibold);
}

.font-bold {
    font-weight: var(--font-weight-bold);
}

/* Spacing Utilities */
.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mt-xl {
    margin-top: var(--spacing-xl);
}

.mt-2xl {
    margin-top: var(--spacing-2xl);
}

.mt-3xl {
    margin-top: var(--spacing-3xl);
}

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

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

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

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

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

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

.py-sm {
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.py-md {
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.py-lg {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
}

.py-xl {
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

.py-2xl {
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
}

.py-3xl {
    padding-top: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
}

/* Fade-in Animation (for agility effect) */
.fade-in {
    animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Gradient Text Effect */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

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

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

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

    .container {
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 480px) {
    html {
        font-size: 13px;
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
}

/* ========== Accessibility ========== */

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    body {
        background-color: #000000;
    }

    body::before,
    body::after {
        display: none;
    }
}