/* ===========================
   DESIGN TOKENS & RESET
   =========================== */
:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #0f0f2a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-hover: rgba(255, 255, 255, 0.15);

    --text-primary: #e8e8f0;
    --text-secondary: #9898b0;
    --text-muted: #6a6a85;

    --accent-1: #6c63ff;
    --accent-2: #00d4aa;
    --accent-3: #ff6b9d;
    --gradient-primary: linear-gradient(135deg, #6c63ff 0%, #00d4aa 100%);
    --gradient-accent: linear-gradient(135deg, #6c63ff 0%, #ff6b9d 100%);
    --gradient-glow: linear-gradient(135deg, rgba(108, 99, 255, 0.4) 0%, rgba(0, 212, 170, 0.4) 100%);

    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --shadow-glow: 0 0 30px rgba(108, 99, 255, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===========================
   NAVIGATION
   =========================== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    transition: var(--transition);
}

.logo-bracket {
    color: var(--accent-1);
    font-weight: 800;
}

.nav-logo:hover { color: var(--accent-2); }

.nav-links {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 18px;
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.nav-link.active {
    color: var(--accent-2);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-xl);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    white-space: nowrap;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.45);
}

.btn-glass {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glass-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--accent-2);
    border: 1px solid var(--accent-2);
}

.btn-outline:hover {
    background: rgba(0, 212, 170, 0.1);
    transform: translateY(-1px);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===========================
   HERO
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
}

#particleCanvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(108, 99, 255, 0.12) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(0, 212, 170, 0.08) 0%, transparent 50%);
    z-index: 1;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: var(--radius-xl);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--accent-2);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -1.5px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 16px;
    min-height: 2.2rem;
}

.cursor {
    display: inline-block;
    animation: blink 1s step-end infinite;
    color: var(--accent-1);
    font-weight: 300;
}

@keyframes blink {
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-socials {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-link:hover {
    color: var(--accent-2);
    border-color: var(--accent-2);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 170, 0.2);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--gradient-primary);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ===========================
   SECTIONS
   =========================== */
.section {
    padding: 100px 0;
    position: relative;
}

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

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: var(--radius-xl);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--accent-2);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto;
}

/* ===========================
   ABOUT
   =========================== */
.about {
    background: var(--bg-secondary);
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 60px;
    align-items: start;
}

.image-wrapper {
    position: relative;
    width: 280px;
    height: 280px;
    margin: 0 auto;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    z-index: 1;
}

.image-border {
    position: absolute;
    inset: -4px;
    border-radius: calc(var(--radius-lg) + 4px);
    background: var(--gradient-primary);
    z-index: 0;
    opacity: 0.3;
}

.image-glow {
    position: absolute;
    inset: -20px;
    border-radius: calc(var(--radius-lg) + 20px);
    background: var(--gradient-glow);
    filter: blur(40px);
    z-index: -1;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}

.stat-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-glass-hover);
    transform: translateY(-2px);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-2);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-text {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 28px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
}

.highlight-item:hover {
    border-color: var(--accent-2);
    transform: translateX(4px);
}

.highlight-item i {
    color: var(--accent-2);
    font-size: 1rem;
}

/* ===========================
   SKILLS
   =========================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.skill-category:hover {
    border-color: var(--border-glass-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.skill-icon-wrap {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
}

.skill-category h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 6px 16px;
    border-radius: var(--radius-xl);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.skill-tag:hover {
    color: var(--accent-2);
    border-color: rgba(0, 212, 170, 0.3);
    background: rgba(0, 212, 170, 0.06);
}

/* ===========================
   CONTACT
   =========================== */
.contact {
    background: var(--bg-secondary);
}

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

.contact-grid {
    max-width: 700px;
    margin: 0 auto;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.contact-card:hover {
    border-color: var(--border-glass-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
}

.contact-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bg-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 16px;
    transition: var(--transition);
}

.contact-card:hover .contact-card-icon {
    background: var(--gradient-primary);
    color: #fff;
    transform: scale(1.1);
}

.contact-card:hover .contact-card-icon.linkedin {
    background: linear-gradient(135deg, #0077b5, #00a0dc);
}

.contact-card:hover .contact-card-icon.resume {
    background: var(--gradient-accent);
}

.contact-card h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.contact-card-arrow {
    position: absolute;
    top: 16px;
    right: 16px;
    color: var(--text-muted);
    font-size: 0.8rem;
    transition: var(--transition);
    opacity: 0;
    transform: translate(-4px, 4px);
}

.contact-card:hover .contact-card-arrow {
    opacity: 1;
    transform: translate(0, 0);
    color: var(--accent-2);
}

/* ===========================
   FOOTER
   =========================== */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-glass);
}

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

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.footer-socials {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 16px;
}

.footer-socials a {
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: var(--transition);
}

.footer-socials a:hover {
    color: var(--accent-2);
    transform: translateY(-2px);
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ===========================
   ANIMATIONS
   =========================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(10, 10, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 8px;
        transition: right var(--transition-slow);
        border-left: 1px solid var(--border-glass);
    }

    .nav-links.open { right: 0; }

    .hamburger { display: flex; }

    .btn-outline.btn-sm { display: none; }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .image-wrapper {
        width: 200px;
        height: 200px;
    }

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

    .contact-cards {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin: 0 auto;
    }

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

    .hero { padding: 100px 20px 60px; }
    .section { padding: 72px 0; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2rem; }
    .section-title { font-size: 1.6rem; }
}