/* ============================================
   AUTOMATEK - BASE STYLES & DESIGN SYSTEM
   Shared across all pages
   ============================================ */

:root {
    /* Colors */
    --primary: #00d9ff;
    --primary-dark: #0098b2;
    --secondary: #ff006e;
    --accent: #8338ec;
    --background: #0a0e27;
    --surface: #16213e;
    --surface-light: #1f3a52;
    --text-primary: #ffffff;
    --text-secondary: #b0b9c1;
    --border: #2a3f5f;
    --success: #00d9aa;
    --error: #ff006e;
    --warning: #ffb84d;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-mono: 'Monaco', 'Courier New', monospace;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    
    /* Effects */
    --transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
    --transition-slow: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.2);
    --glow-primary: 0 0 20px rgba(0, 217, 255, 0.3);
    
    /* Breakpoints */
    --breakpoint-sm: 480px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1200px;
}

/* ============================================
   RESET & DEFAULTS
   ============================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--background) 0%, #0f1629 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2rem, 6vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 5vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 2rem);
}

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

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

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

p {
    line-height: 1.7;
}

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

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

strong {
    font-weight: 700;
}

em {
    font-style: italic;
}

code {
    font-family: var(--font-mono);
    background: rgba(0, 217, 255, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9em;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

section {
    padding: var(--space-2xl) 0;
}

@media (max-width: 768px) {
    section {
        padding: var(--space-xl) 0;
    }
}

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

.btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--background);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow-primary);
}

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

.btn-secondary:hover {
    background: rgba(0, 217, 255, 0.1);
    transform: translateY(-3px);
}

.btn-tertiary {
    background: transparent;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--primary);
}

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

.btn-icon {
    padding: var(--space-sm);
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: var(--font-size-lg);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   FORMS
   ============================================ */

input, textarea, select {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    padding: var(--space-sm);
    background: rgba(31, 58, 82, 0.6);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    transition: var(--transition);
    width: 100%;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(31, 58, 82, 0.9);
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.2);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-secondary);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-error {
    color: var(--error);
    font-size: var(--font-size-sm);
    margin-top: 0.5rem;
}

.form-success {
    color: var(--success);
    font-size: var(--font-size-sm);
    margin-top: 0.5rem;
}

/* ============================================
   GRADIENTS & EFFECTS
   ============================================ */

.gradient-text {
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-border {
    background: linear-gradient(var(--background), var(--background)) padding-box,
                linear-gradient(90deg, var(--primary), var(--secondary)) border-box;
    border: 2px solid transparent;
}

.glass-morphism {
    background: rgba(31, 58, 82, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 217, 255, 0.1);
}

.glow {
    box-shadow: var(--glow-primary);
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

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

.slide-in-up {
    animation: slideInUp 0.6s ease-out;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

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

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

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

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

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

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.px-sm { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.px-md { padding-left: var(--space-md); padding-right: var(--space-md); }
.px-lg { padding-left: var(--space-lg); padding-right: var(--space-lg); }

.py-sm { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-md { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.py-lg { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border-width: 0;
}

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

@media (max-width: 768px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .btn {
        width: 100%;
    }
}