/* ============================================
   DEVOLABS — Main Stylesheet
   ============================================ */

/* Imports */
@import './components.css?v=1.5';
@import './sections.css?v=1.5';
@import './animations.css?v=1.5';
@import './responsive.css?v=1.5';

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
    /* Colors */
    --color-primary: #2563EB;
    --color-primary-rgb: 37, 99, 235;
    --color-primary-light: #3B82F6;
    --color-primary-dark: #1D4ED8;

    --color-secondary: #06B6D4;
    --color-secondary-rgb: 6, 182, 212;

    --color-accent: #7C3AED;
    --color-accent-rgb: 124, 58, 237;

    --color-success: #10B981;
    --color-success-rgb: 16, 185, 129;

    --color-warning: #F59E0B;
    --color-danger: #EF4444;

    /* Backgrounds */
    --bg-body: #F8FAFC;
    --bg-dark: #0F172A;
    --bg-dark-rgb: 15, 23, 42;
    --bg-dark-surface: #1E293B;
    --bg-dark-card: #1E293B;

    /* Glass */
    --glass-bg: rgba(255, 255, 255, 0.45);
    --glass-bg-dark: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-border-dark: rgba(255, 255, 255, 0.08);

    /* Text */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #94A3B8;
    --text-light: #F8FAFC;
    --text-light-secondary: rgba(248, 250, 252, 0.7);

    /* Typography */
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
    --font-size-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
    --font-size-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
    --font-size-lg: clamp(1rem, 0.95rem + 0.3vw, 1.15rem);
    --font-size-xl: clamp(1.15rem, 1.05rem + 0.5vw, 1.35rem);
    --font-size-2xl: clamp(1.4rem, 1.2rem + 1vw, 1.8rem);
    --font-size-3xl: clamp(1.8rem, 1.4rem + 2vw, 2.5rem);
    --font-size-4xl: clamp(2.2rem, 1.6rem + 3vw, 3.5rem);
    --font-size-5xl: clamp(2.6rem, 1.8rem + 4vw, 4.5rem);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
    --shadow-glow-primary: 0 0 30px rgba(var(--color-primary-rgb), 0.3);
    --shadow-glow-secondary: 0 0 30px rgba(var(--color-secondary-rgb), 0.3);
    --shadow-glow-accent: 0 0 30px rgba(var(--color-accent-rgb), 0.2);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Layout */
    --container-max: 1200px;
    --container-padding: clamp(1rem, 3vw, 2rem);
    --navbar-height: 72px;
    --section-padding: clamp(4rem, 8vw, 8rem);
}

/* ============================================
   Reset & Base
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--navbar-height);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-body);
    overflow-x: hidden;
    position: relative;
}

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

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

ul, ol {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
}

/* ============================================
   Accessibility
   ============================================ */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: var(--space-sm) var(--space-md);
    z-index: 10000;
    font-size: var(--font-size-sm);
    border-radius: 0 0 var(--radius-sm) 0;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

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

@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;
    }
}

/* ============================================
   Custom Scrollbar
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--color-primary-light), var(--color-accent));
}

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

/* ============================================
   Page Loader
   ============================================ */
.page-loader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.page-loader.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-lg);
}

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

.loader-text-accent {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loader-bar {
    width: 200px;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.loader-bar-fill {
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
    animation: loaderFill 1.5s ease-in-out forwards;
}

@keyframes loaderFill {
    0% { width: 0; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* ============================================
   Custom Cursor
   ============================================ */
.custom-cursor {
    display: none;
    pointer-events: none;
    z-index: 99998;
    mix-blend-mode: difference;
}

@media (hover: hover) and (pointer: fine) {
    .custom-cursor {
        display: block;
    }

    .cursor-dot {
        position: fixed;
        top: 0;
        left: 0;
        width: 8px;
        height: 8px;
        background: white;
        border-radius: 50%;
        pointer-events: none;
        z-index: 99999;
        transform: translate(-50%, -50%);
        transition: width var(--transition-fast), height var(--transition-fast), background var(--transition-fast);
    }

    .cursor-outline {
        position: fixed;
        top: 0;
        left: 0;
        width: 36px;
        height: 36px;
        border: 1.5px solid rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        pointer-events: none;
        z-index: 99998;
        transform: translate(-50%, -50%);
        transition: width var(--transition-base), height var(--transition-base), border-color var(--transition-base);
    }

    .cursor-hover .cursor-dot {
        width: 50px;
        height: 50px;
        background: rgba(255, 255, 255, 0.15);
    }

    .cursor-hover .cursor-outline {
        width: 60px;
        height: 60px;
        border-color: rgba(255, 255, 255, 0.3);
    }
}

/* ============================================
   Background Effects
   ============================================ */
.bg-effects {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.particles-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: floatOrb 20s ease-in-out infinite;
}

.gradient-orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.15), transparent 70%);
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.gradient-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(var(--color-secondary-rgb), 0.12), transparent 70%);
    bottom: 20%;
    left: -8%;
    animation-delay: -7s;
}

.gradient-orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(var(--color-accent-rgb), 0.1), transparent 70%);
    top: 40%;
    right: 10%;
    animation-delay: -14s;
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(var(--color-primary-rgb), 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--color-primary-rgb), 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    color: var(--color-primary);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    cursor: pointer;
}

.back-to-top:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-primary);
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}