/* ===========================
   CSS Reset & Variables
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #F40000;
    --secondary-color: #FFF0F0;
    --dark-bg: #0a0a0a;
    --dark-secondary: #1a1a1a;
    --dark-tertiary: #2a2a2a;
    --light-text: #ffffff;
    --gray-text: #b0b0b0;
    --accent-gradient: linear-gradient(135deg, #F40000 0%, #c90000 100%);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-padding: 0 20px;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===========================
   Navigation
   =========================== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-smooth);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#navbar.scrolled {
    padding: 15px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 28px;
    font-weight: 800;
    font-family: var(--font-display);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: var(--gray-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
    color: var(--light-text);
}

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--light-text);
    font-size: 24px;
    cursor: pointer;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 0 50px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(244, 0, 0, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(244, 0, 0, 0.08) 0%, transparent 50%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-display);
    margin-bottom: 30px;
}

.title-line {
    display: block;
    font-size: 24px;
    font-weight: 500;
    color: var(--gray-text);
    margin-bottom: 10px;
}

.title-name {
    display: block;
    font-size: 72px;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.hero-description {
    font-size: 18px;
    color: var(--gray-text);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-block;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--light-text);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(244, 0, 0, 0.4);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--light-text);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator a {
    color: var(--gray-text);
    font-size: 24px;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ===========================
   Section Styles
   =========================== */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 10px;
    padding: 8px 20px;
    background: rgba(244, 0, 0, 0.1);
    border-radius: 50px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    color: var(--light-text);
    margin-bottom: 20px;
}

/* ===========================
   About Section
   =========================== */
.about {
    background: var(--dark-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h3 {
    font-family: var(--font-display);
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--light-text);
}

.about-text p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--gray-text);
    margin-bottom: 20px;
}

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 25px;
    background: var(--dark-tertiary);
    border-radius: 15px;
    transition: var(--transition-smooth);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(244, 0, 0, 0.2);
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--gray-text);
    font-weight: 500;
}

.about-visual {
    display: grid;
    gap: 30px;
}

.visual-card {
    background: var(--dark-tertiary);
    padding: 40px;
    border-radius: 20px;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.visual-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(244, 0, 0, 0.2);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 32px;
    color: var(--light-text);
}

.visual-card h4 {
    font-size: 24px;
    margin-bottom: 15px;
    color: var(--light-text);
}

.visual-card p {
    color: var(--gray-text);
    line-height: 1.7;
}

/* ===========================
   Education Section
   =========================== */
.education-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    padding: 20px 0;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--primary-color), transparent);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 60px;
    position: relative;
}

.timeline-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--light-text);
    box-shadow: 0 0 0 10px var(--dark-bg), 0 0 20px rgba(244, 0, 0, 0.3);
    position: relative;
    z-index: 2;
}

.timeline-content {
    background: var(--dark-secondary);
    padding: 30px 40px;
    border-radius: 15px;
    margin-left: 40px;
    min-width: 300px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.timeline-content:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
}

.timeline-content h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--light-text);
}

.institution {
    color: var(--gray-text);
    font-size: 16px;
}

/* ===========================
   Skills Section
   =========================== */
.skills {
    background: var(--dark-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.skill-card {
    background: var(--dark-tertiary);
    padding: 50px 40px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 50px rgba(244, 0, 0, 0.2);
}

.skill-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--light-text);
    transition: var(--transition-smooth);
}

.figma-icon {
    background: linear-gradient(135deg, #F24E1E 0%, #A259FF 100%);
}

.illustrator-icon {
    background: linear-gradient(135deg, #FF9A00 0%, #FF7B00 100%);
}

.photoshop-icon {
    background: linear-gradient(135deg, #31A8FF 0%, #0078D4 100%);
}

.skill-card:hover .skill-icon {
    transform: rotateY(360deg);
}

.skill-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--light-text);
}

.skill-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.skill-description {
    color: var(--gray-text);
    line-height: 1.7;
}

/* ===========================
   Portfolio Section
   =========================== */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 30px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    background: transparent;
    color: var(--gray-text);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 15px;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-gradient);
    color: var(--light-text);
    border-color: transparent;
    transform: translateY(-2px);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
}

.portfolio-item {
    opacity: 1;
    transition: var(--transition-smooth);
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    position: absolute;
    pointer-events: none;
}

.portfolio-card {
    background: var(--dark-secondary);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.05);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border-color: var(--primary-color);
}

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

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

.portfolio-card:hover .image-placeholder {
    transform: scale(1.1);
    color: rgba(244, 0, 0, 0.3);
}

.portfolio-info {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.portfolio-category {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-color);
    background: rgba(244, 0, 0, 0.1);
    padding: 6px 15px;
    border-radius: 20px;
    margin-bottom: 15px;
    width: fit-content;
}

.portfolio-info h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--light-text);
}

.portfolio-info > p {
    color: var(--gray-text);
    line-height: 1.7;
    flex: 1;
}

/* Featured Card Styles */
.featured-card {
    grid-column: span 2;
}

.featured-placeholder {
    font-size: 120px;
}

.project-details {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.detail-section {
    margin-bottom: 25px;
}

.detail-section:last-child {
    margin-bottom: 0;
}

.detail-section h4 {
    font-size: 16px;
    color: var(--light-text);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-section h4 i {
    color: var(--primary-color);
}

.detail-section ul {
    list-style: none;
    padding-left: 0;
}

.detail-section li {
    color: var(--gray-text);
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.detail-section li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.process-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    padding: 8px 16px;
    background: rgba(244, 0, 0, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.color-palette {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.color-swatch {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.color-swatch:hover {
    transform: scale(1.1);
}

/* ===========================
   Contact Section
   =========================== */
.contact {
    background: var(--dark-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-family: var(--font-display);
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--light-text);
}

.contact-info > p {
    font-size: 17px;
    color: var(--gray-text);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--dark-tertiary);
    border-radius: 15px;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-method:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
}

.method-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--light-text);
    flex-shrink: 0;
}

.method-info h4 {
    font-size: 16px;
    color: var(--gray-text);
    margin-bottom: 8px;
}

.method-info a {
    color: var(--light-text);
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: var(--transition-smooth);
}

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

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--dark-tertiary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-text);
    font-size: 20px;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.social-link:hover {
    background: var(--accent-gradient);
    transform: translateY(-5px);
    border-color: transparent;
}

.contact-form {
    background: var(--dark-tertiary);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--light-text);
    font-weight: 600;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: var(--dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--light-text);
    font-family: var(--font-primary);
    font-size: 15px;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(244, 0, 0, 0.1);
}

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

.contact-form .btn {
    width: 100%;
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--dark-bg);
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text p {
    color: var(--gray-text);
    font-size: 14px;
    margin-bottom: 5px;
}

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

.footer-links a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
}

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

.footer-links i {
    margin-left: 8px;
    transition: var(--transition-smooth);
}

.footer-links a:hover i {
    transform: translateY(-3px);
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 1024px) {
    .featured-card {
        grid-column: span 1;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 40px 0;
        transition: var(--transition-smooth);
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .title-name {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .education-timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        justify-content: flex-start;
    }
    
    .timeline-icon {
        position: absolute;
        left: 0;
    }
    
    .timeline-content {
        margin-left: 80px;
        min-width: auto;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .title-name {
        font-size: 36px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .portfolio-filters {
        flex-direction: column;
    }
    
    .filter-btn {
        width: 100%;
    }
    
    .contact-form {
        padding: 25px;
    }
}