/* =========================================
   CSS Reset & Variables
========================================= */
:root {
    /* Color Palette - Modern Dark Theme */
    --bg-base: #0a0a0c;
    --bg-surface: rgba(20, 20, 25, 0.7);
    --bg-surface-hover: rgba(30, 30, 40, 0.8);

    --primary: #6366f1;
    /* Indigo */
    --primary-glow: rgba(99, 102, 241, 0.4);
    --secondary: #ec4899;
    /* Pink */
    --accent: #14b8a6;
    /* Teal */

    --text-main: #f8fafc;
    --text-muted: #94a3b8;

    --border-color: rgba(255, 255, 255, 0.08);

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

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    /* For fixed navbar */
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Blobs for Visual Interest */
.blob-bg {
    position: fixed;
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    filter: blur(80px);
    animation: float 20s infinite alternate;
}

.blob-2 {
    top: auto;
    bottom: -10%;
    left: auto;
    right: -10%;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.2) 0%, transparent 70%);
    animation: float 25s infinite alternate-reverse;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(5%, 10%) scale(1.1);
    }

    100% {
        transform: translate(-5%, -5%) scale(0.9);
    }
}

/* =========================================
   Typography & Utilities
========================================= */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    display: block;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

/* Glassmorphism Card Utility */
.glass-card {
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.glass-card:hover {
    transform: translateY(-5px);
    background: var(--bg-surface-hover);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #818cf8);
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
    background: linear-gradient(135deg, #818cf8, var(--primary));
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-muted);
}

/* =========================================
   Navigation
========================================= */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    padding: 1.5rem 0;
    transition: padding var(--transition-base), background var(--transition-base), backdrop-filter var(--transition-base), border-bottom-color var(--transition-base);
}

nav.scrolled {
    padding: 1rem 0;
    background: rgba(10, 10, 12, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-main);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

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

.hamburger {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-main);
}

/* =========================================
   Sections
========================================= */
section {
    padding: 6rem 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

/* Hero Section */
.hero {
    padding-top: 8rem;
}

.hero-text {
    max-width: 800px;
}

@keyframes heroSlideUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-text .greeting,
.hero-text h1,
.hero-text .subtitle,
.hero-text .description,
.hero-text .hero-cta {
    opacity: 0;
    animation: heroSlideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-text .greeting { animation-delay: 0.1s; }
.hero-text h1 { animation-delay: 0.2s; }
.hero-text .subtitle { animation-delay: 0.3s; }
.hero-text .description { animation-delay: 0.4s; }
.hero-text .hero-cta { animation-delay: 0.5s; }

.greeting {
    font-family: var(--font-heading);
    color: var(--primary);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 5.5rem);
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}

.hero .subtitle {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.hero .description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.social-links a {
    color: var(--text-muted);
    font-size: 1.5rem;
    transition: var(--transition-fast);
}

.social-links a:hover {
    color: var(--primary);
    transform: translateY(-3px);
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

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

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    border-left: 1px solid var(--border-color);
    padding-left: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    width: 100%;
}

.skill-card {
    text-align: center;
}

.skill-card i {
    color: var(--primary);
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.skill-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.skill-card ul {
    list-style: none;
    text-align: left;
}

.skill-card li {
    color: var(--text-muted);
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-card li::before {
    content: '→';
    color: var(--accent);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary);
}

.contact-item a {
    color: var(--text-main);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 10px;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

footer i {
    color: var(--secondary);
}

/* =========================================
   Responsive Design
========================================= */
@media (max-width: 900px) {

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

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

    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
        border-left: none;
        border-top: 1px solid var(--border-color);
        padding-left: 0;
        padding-top: 2rem;
        justify-content: center;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .hamburger {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-surface);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-150%);
        opacity: 0;
        transition: all var(--transition-base);
        text-align: center;
        z-index: -1;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }

    section {
        padding: 4rem 0;
    }

    .hero {
        padding-top: 6rem;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .hero .subtitle {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: flex-start;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .about-stats {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .glass-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    .about-stats {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }

    .glass-card {
        padding: 1.2rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.8rem;
    }
}

/* Animation utilities for JS observer */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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