/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2c2c2c;
    --bg-card: rgba(255, 255, 255, 0.03);
    --text-primary: #ffffff;
    --text-secondary: #d4d4d4;
    --text-muted: #9a9a9a;
    --gold: #d4af6b;
    --gold-light: #e6d4a3;
    --gold-glow: rgba(212, 175, 107, 0.4);
    --accent: #2c2c2c;
    --border: rgba(212, 175, 107, 0.2);
    --shadow: rgba(0, 0, 0, 0.5);
    --font-primary: 'Montserrat', sans-serif;
    --font-display: 'Montserrat', sans-serif;
    --font-elegant: 'Montserrat', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --spacing: 1rem;
    --charcoal: #1a1a1a;
    --champagne: #d4af6b;
}

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

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

body {
    font-family: var(--font-primary);
    background: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 107, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 107, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(212, 175, 107, 0.05) 0%, transparent 50%),
        linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 25%, #1a1a1a 50%, #2c2c2c 75%, #1a1a1a 100%);
    background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%;
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    letter-spacing: 0.01em;
    word-spacing: 0.05em;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 30% 40%, rgba(212, 175, 107, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 70% 60%, rgba(212, 175, 107, 0.05) 0%, transparent 40%),
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(212, 175, 107, 0.03) 2px, rgba(212, 175, 107, 0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(212, 175, 107, 0.03) 2px, rgba(212, 175, 107, 0.03) 4px),
        linear-gradient(45deg, transparent 30%, rgba(212, 175, 107, 0.02) 50%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.92);
    z-index: 0;
    pointer-events: none;
}

/* ========================================
   Background Pattern (Luxury Texture)
   ======================================== */

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(26, 26, 26, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-primary);
}

.logo-text {
    background: linear-gradient(135deg, var(--champagne), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 0.5rem 1rem;
    border: 2px solid var(--champagne);
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    text-shadow: 0 0 20px var(--gold-glow);
    box-shadow: 0 0 15px rgba(212, 175, 107, 0.3);
    transition: var(--transition);
}

.logo-text:hover {
    box-shadow: 0 0 25px rgba(212, 175, 107, 0.5);
    border-color: var(--gold-light);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
    letter-spacing: 0.05em;
    word-spacing: 0.05em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--champagne), var(--gold-light));
    transition: var(--transition);
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ========================================
   Container
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 2rem 4rem;
    z-index: 1;
    background: transparent;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s ease-out;
}

.hero-name {
    font-family: var(--font-primary);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
    word-spacing: 0.08em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--champagne) 0%, var(--gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-role {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    color: var(--champagne);
    font-weight: 500;
    margin-bottom: 1.5rem;
    letter-spacing: 0.08em;
    word-spacing: 0.12em;
    font-family: var(--font-primary);
}

.hero-description {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: var(--text-secondary);
    line-height: 1.85;
    max-width: 600px;
    margin-bottom: 2.5rem;
    letter-spacing: 0.015em;
    word-spacing: 0.08em;
}

.hero-social {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.2rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background: var(--champagne);
    color: var(--bg-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--gold-glow);
    border-color: var(--gold);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease-out 0.2s both;
}

.profile-circle {
    position: relative;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--champagne), var(--gold-light));
    padding: 5px;
    animation: float 6s ease-in-out infinite;
}

.profile-image-wrapper {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    overflow: hidden;
    background: var(--bg-primary);
    position: relative;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 50%;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    image-rendering: auto;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
    will-change: transform;
    filter: brightness(1.05) contrast(1.1) saturate(1.1);
}

.profile-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
    z-index: -1;
    animation: pulse 3s ease-in-out infinite;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: var(--champagne);
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--champagne);
    border-bottom: 2px solid var(--champagne);
    transform: rotate(45deg);
}

/* ========================================
   Glassmorphism Card
   ======================================== */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--champagne), transparent);
    opacity: 0;
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: var(--champagne);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

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

/* ========================================
   Section Styles
   ======================================== */
section {
    padding: 6rem 0;
    position: relative;
    z-index: 1;
    background: transparent;
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 4rem;
    gap: 1.5rem;
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    letter-spacing: 0.03em;
    word-spacing: 0.1em;
}

.section-number {
    color: var(--champagne);
    font-size: 0.6em;
    margin-right: 0.5rem;
}

.section-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border), transparent);
}

/* ========================================
   About Section
   ======================================== */
.about-content {
    max-width: 900px;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.95;
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
    word-spacing: 0.1em;
    text-align: justify;
}

.about-text:last-child {
    margin-bottom: 0;
}

/* ========================================
   Experience Section
   ======================================== */
.experience-content {
    max-width: 900px;
}

.experience-card {
    position: relative;
}

.experience-header {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.experience-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.02em;
    word-spacing: 0.05em;
    font-family: var(--font-primary);
}

.experience-company {
    color: var(--champagne);
    font-weight: 600;
}

.experience-badge {
    background: var(--champagne);
    color: var(--bg-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.experience-period {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    display: block;
    letter-spacing: 0.05em;
    word-spacing: 0.05em;
    font-family: var(--font-primary);
}

.experience-description {
    color: var(--text-secondary);
    line-height: 1.9;
    letter-spacing: 0.015em;
    word-spacing: 0.08em;
}

.experience-description p {
    margin-bottom: 1rem;
    text-align: justify;
}

.experience-features {
    list-style: none;
    margin-top: 1.5rem;
    display: grid;
    gap: 0.8rem;
}

.experience-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.8rem;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
    word-spacing: 0.06em;
    line-height: 1.8;
}

.experience-features i {
    color: var(--champagne);
    margin-top: 0.3rem;
    font-size: 0.9rem;
}

/* ========================================
   Projects Section
   ======================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.project-icon {
    font-size: 2.5rem;
    color: var(--champagne);
}

.project-links {
    display: flex;
    gap: 0.8rem;
}

.project-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.project-link:hover {
    background: var(--champagne);
    color: var(--bg-primary);
    border-color: var(--gold);
    transform: translateY(-3px);
}

.project-date {
    font-size: 0.9rem;
    color: var(--champagne);
    font-weight: 600;
    margin-bottom: 0.8rem;
    letter-spacing: 0.08em;
    word-spacing: 0.05em;
    font-family: var(--font-primary);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
    word-spacing: 0.05em;
    font-family: var(--font-primary);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 1.5rem;
    flex-grow: 1;
    letter-spacing: 0.015em;
    word-spacing: 0.08em;
    text-align: justify;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    padding: 0.4rem 1rem;
    background: rgba(212, 175, 107, 0.12);
    border: 1px solid rgba(212, 175, 107, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--gold-light);
    font-weight: 500;
}

.project-outcome {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.project-outcome p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.project-outcome strong {
    color: var(--gold);
}

/* ========================================
   Tech Stack Section
   ======================================== */
.tech-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

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

.tech-category-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--champagne);
    margin-bottom: 1.5rem;
    font-family: var(--font-primary);
    letter-spacing: 0.03em;
    word-spacing: 0.08em;
}

.tech-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tech-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    transition: var(--transition);
    color: var(--text-secondary);
}

.tech-item i {
    font-size: 1.8rem;
    color: var(--champagne);
}

.tech-item:hover {
    background: rgba(212, 175, 107, 0.15);
    transform: translateX(5px);
    color: var(--text-primary);
}

/* ========================================
   Skills Section
   ======================================== */
.skills-content {
    max-width: 1400px;
    margin: 0 auto;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.skill-category {
    padding: 2rem;
}

.skill-category-wide {
    grid-column: span 2;
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.skill-category-icon {
    font-size: 1.8rem;
    color: var(--champagne);
    width: 40px;
    text-align: center;
}

.skill-category-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-primary);
    letter-spacing: 0.03em;
    word-spacing: 0.05em;
    margin: 0;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    padding: 0.5rem 1.2rem;
    background: rgba(212, 175, 107, 0.12);
    border: 1px solid rgba(212, 175, 107, 0.3);
    border-radius: 25px;
    font-size: 0.9rem;
    color: var(--gold-light);
    font-weight: 500;
    transition: var(--transition);
    letter-spacing: 0.02em;
    word-spacing: 0.03em;
    font-family: var(--font-primary);
}

.skill-tag:hover {
    background: rgba(212, 175, 107, 0.2);
    border-color: var(--champagne);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.2);
}

@media (max-width: 968px) {
    .skill-category-wide {
        grid-column: span 1;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Hobbies Section
   ======================================== */
.hobbies-content {
    max-width: 1000px;
    margin: 0 auto;
}

.hobbies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.hobby-item {
    text-align: center;
    padding: 2.5rem 2rem;
    transition: var(--transition);
    cursor: default;
}

.hobby-icon {
    font-size: 3rem;
    color: var(--champagne);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.hobby-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-primary);
    letter-spacing: 0.04em;
    word-spacing: 0.05em;
}

.hobby-item:hover {
    transform: translateY(-10px);
}

.hobby-item:hover .hobby-icon {
    transform: scale(1.2) rotate(5deg);
    color: var(--gold-light);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: rgba(28, 28, 28, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-title {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: 0.03em;
    word-spacing: 0.1em;
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.9;
    max-width: 400px;
    letter-spacing: 0.015em;
    word-spacing: 0.08em;
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    letter-spacing: 0.02em;
    word-spacing: 0.05em;
}

.footer-link span {
    letter-spacing: 0.02em;
}

.footer-link:hover {
    color: var(--champagne);
}

.footer-link i {
    font-size: 1.3rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social-link:hover {
    background: var(--champagne);
    color: var(--bg-primary);
    border-color: var(--gold);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

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

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .profile-circle {
        width: 300px;
        height: 300px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    :root {
        font-size: 14px;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .profile-circle {
        width: 250px;
        height: 250px;
    }
    
    .glass-card {
        padding: 1.5rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .section-line {
        width: 100%;
    }
}

/* ========================================
   Scroll Animations
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}