/* ============================================
   FINTECH PORTFOLIO - MODERN STYLES
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES
   ============================================ */
:root {
    /* Colors */
    --color-bg-primary: #0a0e27;
    --color-bg-secondary: #1a1f3a;
    --color-bg-tertiary: #0f1429;

    --color-accent-cyan: #00d4ff;
    --color-accent-green: #00ff41;
    --color-accent-purple: #a855f7;
    --color-accent-pink: #ec4899;

    --color-text-primary: #ffffff;
    --color-text-secondary: #b4bcd0;
    --color-text-muted: #6b7280;

    --color-border: rgba(0, 212, 255, 0.2);
    --color-border-hover: rgba(0, 212, 255, 0.5);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow-cyan: 0 0 30px rgba(0, 212, 255, 0.3);
    --shadow-glow-green: 0 0 30px rgba(0, 255, 65, 0.3);
    --shadow-glow-purple: 0 0 30px rgba(168, 85, 247, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-index */
    --z-background: 1;
    --z-content: 10;
    --z-header: 100;
    --z-cursor: 9999;
}

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

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

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

/* ============================================
   BACKGROUND ELEMENTS
   ============================================ */
.tech-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: var(--z-background);
}

.gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    pointer-events: none;
    z-index: var(--z-background);
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-accent-cyan), transparent);
    top: -250px;
    right: -250px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-accent-purple), transparent);
    bottom: -200px;
    left: -200px;
    animation-delay: -5s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--color-accent-green), transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {

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

    33% {
        transform: translate(30px, -30px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* ============================================
   CUSTOM CURSOR - BLOCKCHAIN THEME
   ============================================ */
#cursor,
#cursor-follower {
    position: fixed;
    pointer-events: none;
    z-index: var(--z-cursor);
    transition: all 0.15s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

#cursor {
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-purple));
    border-radius: 50%;
    box-shadow:
        0 0 10px var(--color-accent-cyan),
        0 0 20px var(--color-accent-cyan),
        0 0 30px rgba(0, 212, 255, 0.5);
    animation: cursorPulse 2s ease-in-out infinite;
}

#cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid transparent;
    border-radius: 50%;
    background: linear-gradient(var(--color-bg-primary), var(--color-bg-primary)) padding-box,
        linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-purple), var(--color-accent-green)) border-box;
    opacity: 0.6;
}

/* Hexagon cursor trail for blockchain theme */
.cursor-trail {
    position: fixed;
    width: 20px;
    height: 20px;
    pointer-events: none;
    z-index: 9997;
    opacity: 0;
    animation: trailFade 0.8s ease-out forwards;
}

.cursor-trail::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-purple));
    clip-path: polygon(30% 0%, 70% 0%, 100% 50%, 70% 100%, 30% 100%, 0% 50%);
    box-shadow: 0 0 15px var(--color-accent-cyan);
}

@keyframes cursorPulse {

    0%,
    100% {
        transform: scale(1);
        box-shadow:
            0 0 10px var(--color-accent-cyan),
            0 0 20px var(--color-accent-cyan),
            0 0 30px rgba(0, 212, 255, 0.5);
    }

    50% {
        transform: scale(1.2);
        box-shadow:
            0 0 15px var(--color-accent-cyan),
            0 0 30px var(--color-accent-cyan),
            0 0 45px rgba(0, 212, 255, 0.8);
    }
}

@keyframes trailFade {
    0% {
        opacity: 0.8;
        transform: scale(1) rotate(0deg);
    }

    100% {
        opacity: 0;
        transform: scale(0.3) rotate(180deg);
    }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    z-index: var(--z-header);
    transition: all var(--transition-base);
}

#header.scrolled {
    padding: var(--spacing-sm) 0;
    background: rgba(10, 14, 39, 0.95);
    box-shadow: var(--shadow-glow-cyan);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
}

.logo-bracket {
    color: var(--color-accent-cyan);
}

.logo-text {
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-accent-cyan);
    transition: all var(--transition-base);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
    align-items: center;
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-base);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-accent-green));
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-accent-cyan);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.cta-nav {
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-purple));
    color: var(--color-text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
}

.nav-link.cta-nav::after {
    display: none;
}

.nav-link.cta-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-cyan);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    position: relative;
    z-index: var(--z-content);
}

.hero-content {
    max-width: 900px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--color-accent-cyan);
    margin-bottom: var(--spacing-lg);
    animation: pulse 2s ease-in-out infinite;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent-green);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes pulse {

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

    50% {
        transform: scale(1.05);
    }
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-purple), var(--color-accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {

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

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

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-mono);
}

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

.typewriter-text {
    color: var(--color-accent-cyan);
    font-weight: 600;
}

.cursor-blink {
    color: var(--color-accent-cyan);
    animation: cursor-blink 0.7s infinite;
}

@keyframes cursor-blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-2xl);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: var(--spacing-xs);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent-cyan), var(--color-accent-purple));
    color: var(--color-text-primary);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.5);
}

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

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-cyan);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ============================================
   TICKER
   ============================================ */
.ticker-container {
    background: rgba(0, 212, 255, 0.05);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    overflow: hidden;
    position: relative;
    z-index: var(--z-content);
}

.ticker-content {
    display: flex;
    gap: var(--spacing-2xl);
    animation: ticker-scroll 30s linear infinite;
    white-space: nowrap;
}

@keyframes ticker-scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.ticker-item {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
}

.ticker-item.up {
    color: var(--color-accent-green);
}

.ticker-item.down {
    color: #ff0040;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    position: relative;
    z-index: var(--z-content);
}

.section-dark {
    background: linear-gradient(180deg, var(--color-bg-primary), var(--color-bg-secondary));
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about-text p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.skills-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.skill-category {
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
}

.skill-category:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-glow-cyan);
    transform: translateY(-2px);
}

.skill-category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.125rem;
    color: var(--color-accent-cyan);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.skill-category-title svg {
    width: 24px;
    height: 24px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.skill-tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.skill-tag:hover {
    background: rgba(0, 212, 255, 0.2);
    color: var(--color-accent-cyan);
    transform: translateY(-2px);
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 2px solid var(--color-border);
}

.profile-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.image-wrapper:hover .profile-image {
    transform: scale(1.05);
}

.image-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(168, 85, 247, 0.2));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.image-wrapper:hover .image-glow {
    opacity: 1;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.project-filters {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--color-accent-cyan);
    color: var(--color-accent-cyan);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: rgba(26, 31, 58, 0.5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

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

.project-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--color-bg-tertiary);
}

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

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent-cyan);
    opacity: 0.3;
}

.project-overlay {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.project-status {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-status.live {
    background: var(--color-accent-green);
    color: var(--color-bg-primary);
}

.project-status.beta {
    background: var(--color-accent-cyan);
    color: var(--color-bg-primary);
}

.project-status.prod {
    background: var(--color-accent-purple);
    color: var(--color-text-primary);
}

.project-status.dev {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-text-primary);
}

.project-content {
    padding: var(--spacing-lg);
}

.project-tags {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent-cyan);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-mono);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.project-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.project-stats {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-md);
}

.stat {
    flex: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent-green);
    font-family: var(--font-mono);
}

.project-links {
    display: flex;
    gap: var(--spacing-md);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-accent-cyan);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-base);
}

.project-link:hover {
    color: var(--color-accent-green);
    transform: translateX(3px);
}

.project-link svg {
    width: 16px;
    height: 16px;
}

/* ============================================
   COURSES SECTION
   ============================================ */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.course-card {
    background: rgba(26, 31, 58, 0.5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

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

.course-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.course-category {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent-cyan);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.course-duration {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.course-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    line-height: 1.3;
}

.course-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.course-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.feature svg {
    color: var(--color-accent-green);
    flex-shrink: 0;
}

.course-link {
    color: var(--color-accent-cyan);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
}

.course-link:hover {
    color: var(--color-accent-green);
}

/* ============================================
   BLOG SECTION
   ============================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.blog-card {
    background: rgba(26, 31, 58, 0.5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

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

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.blog-category {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent-cyan);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.blog-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.blog-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    line-height: 1.3;
}

.blog-excerpt {
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.blog-link {
    color: var(--color-accent-cyan);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-base);
}

.blog-link:hover {
    color: var(--color-accent-green);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.contact-item:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--color-border-hover);
    transform: translateX(5px);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    color: var(--color-accent-cyan);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-details h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
}

.contact-details p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.contact-form-wrapper {
    background: rgba(26, 31, 58, 0.5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-cyan);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: var(--shadow-glow-cyan);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-bg-tertiary);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-lg);
    position: relative;
    z-index: var(--z-content);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-column h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-accent-cyan);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

.footer-column a:hover {
    color: var(--color-accent-cyan);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-bottom-links a:hover {
    color: var(--color-accent-cyan);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {

    /* Hide custom cursor on mobile */
    #cursor,
    #cursor-follower {
        display: none !important;
    }

    /* Mobile menu */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        transition: all var(--transition-base);
        pointer-events: none;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    /* Sections */
    .section {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
        min-height: 90vh;
    }

    .hero-stats {
        gap: var(--spacing-lg);
    }

    /* Grids */
    .projects-grid,
    .courses-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-3xl: 3rem;
        --spacing-2xl: 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .project-image {
        height: 200px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
    .footer {
        background: var(--color-bg-tertiary);
        border-top: 1px solid var(--color-border);
        padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-lg);
        position: relative;
        z-index: var(--z-content);
    }

    .footer-content {
        display: grid;
        grid-template-columns: 1.5fr 1fr;
        gap: var(--spacing-3xl);
        margin-bottom: var(--spacing-2xl);
    }

    .footer-brand .logo {
        margin-bottom: var(--spacing-md);
    }

    .footer-tagline {
        color: var(--color-text-secondary);
        font-size: 1rem;
    }

    .footer-links {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }

    .footer-column h4 {
        font-size: 1rem;
        font-weight: 600;
        color: var(--color-accent-cyan);
        margin-bottom: var(--spacing-md);
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .footer-column ul {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .footer-column a {
        color: var(--color-text-secondary);
        text-decoration: none;
        font-size: 0.875rem;
        transition: color var(--transition-base);
    }

    .footer-column a:hover {
        color: var(--color-accent-cyan);
    }

    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: var(--spacing-lg);
        border-top: 1px solid var(--color-border);
        color: var(--color-text-muted);
        font-size: 0.875rem;
    }

    .footer-bottom-links {
        display: flex;
        gap: var(--spacing-lg);
    }

    .footer-bottom-links a {
        color: var(--color-text-muted);
        text-decoration: none;
        transition: color var(--transition-base);
    }

    .footer-bottom-links a:hover {
        color: var(--color-accent-cyan);
    }

    /* ============================================
   RESPONSIVE DESIGN
   ============================================ */
    @media (max-width: 1024px) {

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

        .footer-content {
            grid-template-columns: 1fr;
        }

        .footer-links {
            grid-template-columns: repeat(3, 1fr);
        }
    }

    @media (max-width: 768px) {

        /* Hide custom cursor on mobile */
        #cursor,
        #cursor-follower {
            display: none !important;
        }

        /* Mobile menu */
        .mobile-menu-toggle {
            display: flex;
        }

        .nav-menu {
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            background: rgba(10, 14, 39, 0.98);
            backdrop-filter: blur(20px);
            flex-direction: column;
            padding: var(--spacing-lg);
            border-bottom: 1px solid var(--color-border);
            transform: translateY(-100%);
            opacity: 0;
            transition: all var(--transition-base);
            pointer-events: none;
        }

        .nav-menu.active {
            transform: translateY(0);
            opacity: 1;
            pointer-events: all;
        }

        /* Sections */
        .section {
            padding: var(--spacing-2xl) var(--spacing-md);
        }

        .hero {
            padding: var(--spacing-2xl) var(--spacing-md);
            min-height: 90vh;
        }

        .hero-stats {
            gap: var(--spacing-lg);
        }

        /* Grids */
        .projects-grid,
        .courses-grid,
        .blog-grid {
            grid-template-columns: 1fr;
        }

        .footer-links {
            grid-template-columns: 1fr;
        }

        .footer-bottom {
            flex-direction: column;
            gap: var(--spacing-md);
            text-align: center;
        }
    }

    @media (max-width: 480px) {
        :root {
            --spacing-3xl: 3rem;
            --spacing-2xl: 2rem;
        }

        .hero-title {
            font-size: 2rem;
        }

        .section-title {
            font-size: 1.75rem;
        }

        .stat-number {
            font-size: 2rem;
        }

        .project-image {
            height: 200px;
        }
    }

    /* ============================================
   UTILITY CLASSES
   ============================================ */
    .hidden {
        display: none !important;
    }

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

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

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

    /* ============================================
   COOKIE CONSENT BANNER
   ============================================ */
    .cookie-banner {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 10000;
        background: rgba(10, 15, 25, 0.95);
        backdrop-filter: blur(20px);
        border-top: 1px solid rgba(0, 212, 255, 0.2);
        box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
        padding: 1.5rem;
    }

    .cookie-content {
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        gap: 2rem;
        flex-wrap: wrap;
    }

    .cookie-icon {
        flex-shrink: 0;
    }

    .cookie-icon svg {
        color: var(--color-accent-cyan);
        filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.3));
    }

    .cookie-text {
        flex: 1;
        min-width: 300px;
    }

    .cookie-text h3 {
        color: var(--color-text-primary);
        font-size: 1.25rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .cookie-text p {
        color: var(--color-text-secondary);
        font-size: 0.9rem;
        line-height: 1.6;
        margin: 0;
    }

    .cookie-buttons {
        display: flex;
        align-items: center;
        gap: 1rem;
        flex-wrap: wrap;
    }

    .cookie-link {
        color: var(--color-accent-cyan);
        text-decoration: none;
        font-size: 0.9rem;
        transition: color 0.3s ease;
    }

    .cookie-link:hover {
        color: var(--color-accent-green);
    }

    /* Mobile responsive */
    @media screen and (max-width: 768px) {
        .cookie-content {
            flex-direction: column;
            text-align: center;
            gap: 1.5rem;
        }

        .cookie-buttons {
            justify-content: center;
            width: 100%;
        }

        .cookie-buttons .btn {
            flex: 1;
            min-width: 120px;
        }
    }