/* --- CSS VARIABLES --- */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- GENERAL STYLES --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--dark);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

section {
    padding: 100px 10%;
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

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

h2.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn {
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.btn-outline {
    border: 2px solid var(--glass-border);
    color: var(--light);
    margin-left: 15px;
}

.btn-outline:hover {
    background: var(--glass-border);
    transform: translateY(-3px);
}

/* --- NAVBAR ---*/
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
}

nav.scrolled {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(15px);
    padding: 15px 10%;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--light);
    text-decoration: none;
}

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

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

.nav-links li {
    margin-left: 35px;
}

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

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

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

.nav-links a.active {
    color: var(--primary);
}

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--light);
    margin: 5px;
    transition: all 0.3s ease;
}

/* --- HERO --- */
#home {
    background: radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.15), transparent),
                radial-gradient(circle at 20% 80%, rgba(236, 72, 153, 0.1), transparent);
}

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

.hero-content h3 {
    color: var(--primary);
    font-size: 1.2rem;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 30px;
    max-width: 600px;
}

/* --- ABOUT --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: center;
}

.profile-img-container {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.profile-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.skill-badge {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.skill-badge:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

/* --- PROJECTS --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
}

.card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.card p {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.tech-stack {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.card-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-top: 10px;
}

.card-links .btn {
    padding: 10px 18px;
    font-size: 0.9rem;
}

.card-links .btn-outline {
    margin-left: 0;
}

/* --- CERTIFICATES --- */
.cert-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    padding: 20px;
    border-radius: 15px;
    transition: var(--transition);
}

.cert-card i {
    font-size: 2rem;
    color: var(--secondary);
}

.cert-card:hover {
    background: rgba(236, 72, 153, 0.05);
    border-color: var(--secondary);
}

/* --- CONTACT --- */
.contact-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.social-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
}

.social-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--light);
    text-decoration: none;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.6);
}

/* --- FOOTER --- */
footer {
    padding: 40px 10%;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    color: var(--gray);
    font-size: 0.9rem;
}

/* --- SCROLL ANIMATION --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* --- RESPONSIVE --- */
@media screen and (max-width: 968px) {
    .about-grid { grid-template-columns: 1fr; }
    .profile-img-container { width: 250px; height: 250px; }
    section { padding: 80px 5%; }
    .nav-links {
        position: absolute;
        right: 0px;
        height: 100vh;
        top: 0;
        background: var(--dark);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 70%;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        border-left: 1px solid var(--glass-border);
    }
    .nav-links li { margin: 20px 0; }
    .burger { display: block; }
    .nav-active { transform: translateX(0%); }
    .hero-content h1 { font-size: 3rem; }
}

.toggle .line1 { transform: rotate(-45deg) translate(-5px, 6px); }
.toggle .line2 { opacity: 0; }
.toggle .line3 { transform: rotate(45deg) translate(-5px, -6px); }