/*
 * Main.css - Consolidated Premium Portfolio Styles
 * abdomarrok.github.io
 * 
 * Combines: global, dark-theme, style, production, animations, hero-effects
 * Optimized for performance and premium aesthetics
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* =========================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ========================================= */
:root {
    /* Premium Color Palette */
    --color-primary: #10b981;
    --color-primary-dark: #059669;
    --color-primary-light: #34d399;
    --color-accent: #f472b6;
    --color-accent-alt: #818cf8;

    /* Dark Theme Backgrounds */
    --bg-primary: #030712;
    --bg-secondary: #0f172a;
    --bg-tertiary: #1e293b;
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.06);

    /* Glassmorphism */
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-hover: rgba(16, 185, 129, 0.4);
    --backdrop-blur: blur(20px);

    /* Text */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Glow Effects */
    --glow-primary: rgba(16, 185, 129, 0.4);
    --glow-accent: rgba(244, 114, 182, 0.3);
    --glow-soft: rgba(16, 185, 129, 0.15);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #10b981 0%, #059669 50%, #047857 100%);
    --gradient-hero: linear-gradient(135deg, #030712 0%, #0f172a 25%, #064e3b 50%, #0f172a 75%, #030712 100%);
    --gradient-card: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    --gradient-glow: radial-gradient(circle, var(--glow-primary) 0%, transparent 70%);

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-8: 3rem;
    --space-10: 4rem;
    --space-12: 5rem;
    --space-16: 8rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px var(--glow-primary);
    --shadow-glow-lg: 0 0 80px var(--glow-primary), 0 0 120px var(--glow-soft);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================
   RESET & BASE STYLES
   ========================================= */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-family);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--text-secondary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

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

ul,
li {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-family);
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: var(--text-6xl);
}

h2 {
    font-size: var(--text-4xl);
}

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

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

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

p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.page-wrapper {
    position: relative;
    width: 100%;
    min-width: 300px;
    background: var(--bg-primary);
    overflow: hidden;
}

/* =========================================
   SCROLL PROGRESS INDICATOR
   ========================================= */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform-origin: left;
    transform: scaleX(0);
    z-index: 10000;
    transition: opacity var(--transition-base);
}

/* =========================================
   HEADER STYLES
   ========================================= */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 0 var(--space-8);
    z-index: 1000;
    transition: all var(--transition-base);
}

.main-header.scrolled {
    background: rgba(3, 7, 18, 0.85);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.main-header .container-fluid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}

.main-header .pull-left,
.main-header .pull-right {
    float: none !important;
}

.main-header .pull-right {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.main-header .logo {
    width: 50px;
    height: 50px;
    margin: var(--space-4) 0;
    transition: transform var(--transition-base);
}

.main-header .logo:hover {
    transform: scale(1.05);
}

.main-header .logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-lg);
}

/* Navigation */
.main-header .menu,
.main-header .link-btn {
    display: inline-block;
}

.main-header ul {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.main-header ul li {
    display: inline-block;
}

.main-header ul li a {
    display: block;
    padding: var(--space-2) var(--space-4);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.01em;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.main-header ul li a:hover,
.main-header ul li.current a {
    color: var(--text-primary);
    background: var(--bg-glass);
}

/* CTA Buttons in Header */
.cta-group {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--gradient-primary);
    color: white;
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    box-shadow: 0 4px 20px var(--glow-primary);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--glow-primary), var(--shadow-glow);
    color: white;
}

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

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: transparent;
    color: var(--text-primary);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 1.5px solid var(--border-glass);
    transition: all var(--transition-base);
}

.btn-outline:hover {
    background: var(--bg-glass);
    border-color: var(--color-primary);
    color: var(--color-primary-light);
    box-shadow: 0 0 20px var(--glow-soft);
}

/* =========================================
   HERO BANNER SECTION
   ========================================= */
.banner {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-16) var(--space-4);
    overflow: hidden;
}

.banner.hero-gradient {
    background: var(--gradient-hero);
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
}

@keyframes gradientShift {

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

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

/* Animated mesh background */
.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: float 25s ease-in-out infinite;
}

.hero-particles::before {
    top: -300px;
    right: -200px;
    background: var(--gradient-glow);
    animation-delay: 0s;
}

.hero-particles::after {
    bottom: -300px;
    left: -200px;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
    animation-delay: 12s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
    }

    33% {
        transform: translate(80px, -80px) scale(1.2) rotate(10deg);
    }

    66% {
        transform: translate(-60px, 60px) scale(0.9) rotate(-10deg);
    }
}

/* Hero Content */
.banner .container {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.banner .reveal {
    animation: fadeInUp 1s ease-out forwards;
}

.banner h2 {
    font-size: clamp(2.5rem, 6vw, var(--text-6xl));
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: var(--space-5);
    text-shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.banner h3 {
    font-size: clamp(1.1rem, 2.5vw, var(--text-xl));
    font-weight: 400;
    color: var(--text-secondary) !important;
    -webkit-text-fill-color: var(--text-secondary) !important;
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto var(--space-6);
}

/* =========================================
   SECTION TITLES
   ========================================= */
.sec-title {
    margin-bottom: var(--space-8);
}

.sec-title h2 {
    font-size: var(--text-4xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sec-title.centered {
    text-align: center;
}

/* =========================================
   PROJECTS - BENTO GRID
   ========================================= */
.main-demo {
    position: relative;
    padding: var(--space-16) 0;
    background: var(--bg-primary);
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--space-5);
    margin-top: var(--space-8);
}

.bento-large {
    grid-column: span 12;
    min-height: 480px;
}

.bento-medium {
    grid-column: span 6;
    min-height: 380px;
}

.bento-standard {
    grid-column: span 6;
    min-height: 380px;
}

/* Bento Card Styling */
.bento-item {
    position: relative;
    background: var(--bg-glass);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    overflow: hidden;
    transition: all var(--transition-slow);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

/* Gradient border effect on hover */
.bento-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-2xl);
    padding: 1px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 50%, var(--color-accent-alt) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.bento-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

.bento-item:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-xl), var(--shadow-glow-lg);
}

.bento-item:hover::before {
    opacity: 1;
}

.bento-item:hover::after {
    opacity: 1;
}

/* Bento Icon Visual */
.bento-icon-visual {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-5);
    font-size: 72px;
    color: var(--color-primary);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.bento-icon-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-glow);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.bento-item:hover .bento-icon-visual {
    color: var(--color-primary-light);
    transform: scale(1.05);
}

.bento-item:hover .bento-icon-visual::before {
    opacity: 0.3;
}

.bento-item:hover .bento-icon-visual i {
    animation: iconPulse 1s ease-in-out infinite;
}

@keyframes iconPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

/* Bento Image Visual */
.bento-image-visual {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-5);
    overflow: hidden;
    position: relative;
}

.bento-large .bento-image-visual {
    height: 280px;
}

.bento-image-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.bento-item:hover .bento-image-visual img {
    transform: scale(1.08);
}

.bento-image-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(3, 7, 18, 0.8) 100%);
    pointer-events: none;
}

/* Bento Content */
.bento-content {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.bento-content h3 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.bento-content p {
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: 1.7;
    margin-bottom: var(--space-4);
    flex: 1;
}

/* Project Tags */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.tag {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-1) var(--space-3);
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    color: var(--color-primary-light);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.bento-item:hover .tag {
    border-color: var(--color-primary);
    box-shadow: 0 0 10px var(--glow-soft);
}

/* Demo Buttons */
.demo-buttons {
    display: flex;
    gap: var(--space-3);
    margin-top: auto;
}

.btn-demo {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    z-index: 3;
}

.btn-demo:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--glow-primary);
}

/* =========================================
   EXPERIENCE & TIMELINE
   ========================================= */
.feature {
    position: relative;
    padding: var(--space-16) 0;
    background: var(--bg-primary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: var(--space-8);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 50%, var(--color-accent-alt) 100%);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-8);
    opacity: 0;
    transform: translateX(-20px);
    animation: slideInLeft 0.6s ease-out forwards;
}

.timeline-item:nth-child(1) {
    animation-delay: 0.1s;
}

.timeline-item:nth-child(2) {
    animation-delay: 0.2s;
}

.timeline-item:nth-child(3) {
    animation-delay: 0.3s;
}

.timeline-item:nth-child(4) {
    animation-delay: 0.4s;
}

.timeline-item:nth-child(5) {
    animation-delay: 0.5s;
}

.timeline-dot {
    position: absolute;
    left: calc(-1 * var(--space-8) - 6px);
    top: var(--space-6);
    width: 14px;
    height: 14px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--glow-primary), 0 0 40px var(--glow-soft);
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {

    0%,
    100% {
        box-shadow: 0 0 20px var(--glow-primary), 0 0 40px var(--glow-soft);
    }

    50% {
        box-shadow: 0 0 30px var(--glow-primary), 0 0 60px var(--glow-primary);
    }
}

.timeline-content {
    background: var(--bg-glass);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    border-color: var(--border-glass-hover);
    box-shadow: var(--shadow-lg), 0 0 30px var(--glow-soft);
    transform: translateX(8px);
}

.timeline-content h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary-light);
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-content h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

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

/* Achievements box */
.timeline-content .bg-light {
    background: var(--bg-secondary) !important;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-glass);
}

.timeline-content .bg-light h5 {
    color: var(--text-primary);
    font-size: var(--text-lg);
}

.timeline-content .bg-light li {
    color: var(--text-secondary);
    padding: var(--space-2) 0;
}

.timeline-content .bg-light strong {
    color: var(--text-primary);
}

/* =========================================
   SKILLS SECTION
   ========================================= */
.skillsgrup,
.skills-group {
    margin-bottom: var(--space-8);
}

.skillsgrup h4,
.skills-group h4 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
    padding-bottom: var(--space-3);
    margin-bottom: var(--space-5);
    border-bottom: 2px solid var(--color-primary) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.skill-card {
    background: var(--bg-glass) !important;
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-glass) !important;
    border-radius: var(--radius-lg) !important;
    padding: var(--space-4) !important;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.skill-card:hover {
    background: var(--bg-glass-hover) !important;
    border-color: var(--color-primary) !important;
    box-shadow: 0 0 25px var(--glow-soft);
    transform: translateY(-4px);
}

.skill-card i {
    font-size: var(--text-2xl);
    transition: transform var(--transition-base);
}

.skill-card:hover i {
    transform: scale(1.2);
}

.skill-card strong {
    color: var(--text-primary);
    font-weight: 500;
}

/* =========================================
   CERTIFICATIONS SECTION
   ========================================= */
#certifications {
    background: var(--bg-secondary) !important;
}

.card {
    background: var(--bg-glass) !important;
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-glass) !important;
    border-radius: var(--radius-xl) !important;
    transition: all var(--transition-base);
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    background: var(--bg-glass-hover) !important;
    border-color: var(--color-primary) !important;
    box-shadow: var(--shadow-lg), 0 0 30px var(--glow-soft);
    transform: translateY(-6px);
}

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

.card-body {
    padding: var(--space-5);
}

.card-title {
    color: var(--text-primary) !important;
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.card-subtitle {
    color: var(--color-primary-light) !important;
    font-weight: 500;
}

.card small,
.card .text-secondary {
    color: var(--text-muted) !important;
    font-size: var(--text-sm);
}

/* =========================================
   CONTACT SECTION
   ========================================= */
.contact-section {
    position: relative;
    padding: var(--space-16) 0;
    background: var(--bg-primary);
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: var(--gradient-glow);
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.1;
    transform: translateX(-50%);
    pointer-events: none;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-5);
    max-width: 1000px;
    margin: var(--space-8) auto 0;
}

.contact-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-8) var(--space-5);
    background: var(--bg-glass);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-2xl);
    transition: all var(--transition-base);
    text-decoration: none;
}

.contact-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-2xl);
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

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

.contact-card i {
    font-size: 48px;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
}

.contact-card:hover i {
    color: var(--color-primary-light);
    transform: scale(1.15);
    text-shadow: 0 0 30px var(--glow-primary);
}

.contact-card h4 {
    font-size: var(--text-xl);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    position: relative;
    z-index: 1;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: var(--text-base);
    position: relative;
    z-index: 1;
}

/* Availability Status */
.availability-status {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-full);
    color: var(--color-primary-light);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-top: var(--space-6);
}

.availability-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

/* =========================================
   SCROLL TO TOP BUTTON
   ========================================= */
.scroll-top {
    position: fixed;
    bottom: -100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    box-shadow: 0 4px 20px var(--glow-primary);
    transition: all var(--transition-base);
}

.scroll-top.open {
    bottom: 30px;
}

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px var(--glow-primary), var(--shadow-glow);
}

/* =========================================
   ANIMATIONS
   ========================================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

/* Animation utility classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

/* Preload - prevent animations on page load */
.preload * {
    animation-duration: 0s !important;
    transition-duration: 0s !important;
}

/* =========================================
   UTILITY CLASSES
   ========================================= */
.text-center {
    text-align: center;
}

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

.fw-bold {
    font-weight: 700 !important;
}

.mb-2 {
    margin-bottom: var(--space-2) !important;
}

.mb-3 {
    margin-bottom: var(--space-3) !important;
}

.mb-4 {
    margin-bottom: var(--space-4) !important;
}

.mb-5 {
    margin-bottom: var(--space-5) !important;
}

.mt-3 {
    margin-top: var(--space-3) !important;
}

.mt-4 {
    margin-top: var(--space-4) !important;
}

.py-5 {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
}

.p-3 {
    padding: var(--space-3) !important;
}

.p-4 {
    padding: var(--space-4) !important;
}

.me-2 {
    margin-right: var(--space-2) !important;
}

.ms-2 {
    margin-left: var(--space-2) !important;
}

.g-4 {
    gap: var(--space-4);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(-1 * var(--space-3));
}

.col-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 var(--space-3);
}

.col-md-4 {
    flex: 0 0 33.333%;
    max-width: 33.333%;
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
}

.col-lg-3 {
    flex: 0 0 25%;
    max-width: 25%;
}

.col-lg-4 {
    flex: 0 0 33.333%;
    max-width: 33.333%;
}

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

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.h-100 {
    height: 100%;
}

.list-unstyled {
    list-style: none;
    padding: 0;
}

.bg-light {
    background: var(--bg-secondary) !important;
}

.bg-white {
    background: var(--bg-glass) !important;
}

/* =========================================
   RESPONSIVE STYLES
   ========================================= */
@media (max-width: 1200px) {
    .main-header {
        padding: 0 var(--space-5);
    }

    .bento-large {
        min-height: 400px;
    }

    .col-lg-3,
    .col-lg-4 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 1024px) {

    .bento-large,
    .bento-medium,
    .bento-standard {
        grid-column: span 12;
        min-height: 350px;
    }

    .main-header .pull-right {
        flex-direction: column;
        gap: var(--space-4);
    }
}

@media (max-width: 768px) {
    :root {
        --text-6xl: 3rem;
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
    }

    .main-header {
        padding: 0 var(--space-4);
    }

    .main-header .container-fluid {
        flex-direction: column;
        text-align: center;
    }

    .main-header .pull-left,
    .main-header .pull-right {
        width: 100%;
        justify-content: center;
    }

    .main-header ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .main-header ul li a {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-sm);
    }

    .cta-group {
        flex-direction: column;
        width: 100%;
    }

    .btn-primary,
    .btn-outline {
        width: 100%;
        justify-content: center;
    }

    .banner {
        padding: var(--space-16) var(--space-4);
        min-height: auto;
        padding-top: 180px;
    }

    .bento-grid {
        gap: var(--space-4);
    }

    .bento-large,
    .bento-medium,
    .bento-standard {
        min-height: 300px;
    }

    .timeline {
        padding-left: var(--space-6);
    }

    .timeline-dot {
        left: calc(-1 * var(--space-6) - 6px);
    }

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

    .col-6,
    .col-md-4,
    .col-md-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .main-header ul li a {
        font-size: var(--text-xs);
        padding: var(--space-1) var(--space-2);
    }

    .bento-icon-visual {
        height: 120px;
        font-size: 48px;
    }

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

    .btn-demo {
        width: 100%;
        text-align: center;
    }
}

/* =========================================
   FOOTER (if needed)
   ========================================= */
.footer {
    padding: var(--space-8) 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-glass);
    text-align: center;
}

.footer p {
    color: var(--text-muted);
    font-size: var(--text-sm);
}