/*
Theme Name: RankGuard Premium
Theme URI: https://rankguard.io
Author: RankGuard Team
Author URI: https://rankguard.io
Description: Premium black-themed SaaS website for RankGuard - AI-powered SEO content generation tool
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: rankguard
Tags: black, dark, modern, premium, saas, business, ai
*/

/* ===========================
   GLOBAL STYLES & RESET
   =========================== */

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

:root {
    /* Premium Color Palette */
    --color-primary: #00D9FF;
    --color-secondary: #7B61FF;
    --color-accent: #FF3D71;
    --color-success: #00E676;
    
    /* Backgrounds */
    --color-bg-primary: #0A0A0A;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1A1A1A;
    --color-bg-card: #141414;
    
    /* Text Colors */
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #B3B3B3;
    --color-text-muted: #666666;
    
    /* Borders & Dividers */
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-hover: rgba(255, 255, 255, 0.2);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 30px rgba(0, 217, 255, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    background: linear-gradient(135deg, #FFFFFF 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
}

p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

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

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

/* ===========================
   LAYOUT & CONTAINERS
   =========================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all var(--transition-normal);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    font-family: var(--font-primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.5);
}

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

.btn-secondary:hover {
    border-color: var(--color-primary);
    background: rgba(0, 217, 255, 0.1);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* ===========================
   CARDS
   =========================== */

.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

/* ===========================
   GRADIENT BACKGROUNDS
   =========================== */

.gradient-bg {
    position: relative;
    overflow: hidden;
}

.gradient-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
}

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

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

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

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

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

@media (max-width: 768px) {
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
    }
}

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

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

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

/* ===========================
   SCROLLBAR STYLING
   =========================== */

::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--color-bg-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}