/* Variables & Reset */
:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent-primary: #38bdf8;
    --accent-secondary: #818cf8;
    --gradient-main: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* Typography */
h1,
h2,
h3 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-main);
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-main);
    color: #fff;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.5);
}

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

.btn-outline:hover {
    background: rgba(56, 189, 248, 0.1);
    transform: translateY(-3px);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

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

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

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

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

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

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    z-index: 1;
}

.greeting {
    color: var(--accent-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: block;
}

.name {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title {
    font-size: 2.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.highlight {
    color: var(--accent-secondary);
}

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

.social-links {
    margin-top: 2rem;
    display: flex;
    gap: 1.5rem;
}

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

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

/* Hero Visual (Abstract Background) */
.hero-visual {
    position: absolute;
    top: 50%;
    right: -10%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    background: var(--gradient-main);
    filter: blur(150px);
    opacity: 0.2;
    border-radius: 50%;
    z-index: 0;
}

/* Sections */
.section {
    padding: 6rem 0;
}

/* About */
.about-content {
    display: flex;
    justify-content: center;
    text-align: center;
}

.about-text {
    max-width: 800px;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.about-text p {
    margin-bottom: 1.5rem;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 2rem;
    text-align: center;
}

.skill-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.skill-card i {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.skill-card h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-image {
    height: 200px;
    background: #2d3748;
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.placeholder-img {
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #1e293b, #334155);
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-info p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

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

.tags span {
    font-size: 0.8rem;
    padding: 0.3rem 0.8rem;
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-primary);
    border-radius: 20px;
}

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

.link-btn {
    font-size: 0.9rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.link-btn:hover {
    color: var(--accent-primary);
}

/* Certificates */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.cert-card {
    background: rgba(30, 41, 59, 0.5);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--accent-primary);
    transition: var(--transition);
}

.cert-card:hover {
    background: var(--card-bg);
    transform: translateX(10px);
}

.cert-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.cert-card .issuer {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.cert-card .date {
    font-size: 0.8rem;
    color: var(--accent-secondary);
    display: block;
    margin-bottom: 1rem;
}

.cert-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--gradient-main);
    color: #fff;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    margin-top: 0.5rem;
}

.cert-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(56, 189, 248, 0.4);
}

.cert-btn i {
    font-size: 1rem;
}

/* Contact */
.contact {
    text-align: center;
}

.contact-text {
    max-width: 600px;
    margin: 0 auto 3rem;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.big-btn {
    padding: 1rem 3rem;
    font-size: 1.2rem;
}

.footer {
    margin-top: 5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        right: 0;
        width: 100%;
        background: var(--card-bg);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        border-bottom: 1px solid var(--glass-border);
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: block;
    }

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

    .name {
        font-size: 3rem;
    }

    .hero-btns {
        justify-content: center;
        display: flex;
    }

    .social-links {
        justify-content: center;
    }

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

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

    .name {
        font-size: 2.5rem;
    }

    .title {
        font-size: 1.8rem;
    }
}

/* Animations */
.hidden {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease;
}

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

/* Hamburger Animation */
.hamburger.toggle .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.toggle .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.toggle .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    width: 90%;
    max-width: 400px;
    position: relative;
    text-align: center;
    transform: scale(0.8);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.modal.show .modal-content {
    transform: scale(1);
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.close-btn:hover {
    color: var(--accent-primary);
}

.modal-content h2 {
    margin-bottom: 2rem;
    color: var(--text-primary);
    font-size: 1.8rem;
}

.contact-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-option {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
}

.contact-option i {
    font-size: 1.5rem;
    margin-right: 1rem;
    width: 30px;
    text-align: center;
}

.contact-option:hover {
    transform: translateX(5px);
    background: var(--card-bg);
    border-color: var(--accent-primary);
}

.contact-option.whatsapp:hover {
    color: #25D366;
    border-color: #25D366;
}

.contact-option.email:hover {
    color: #EA4335;
    border-color: #EA4335;
}

.contact-option.linkedin:hover {
    color: #0A66C2;
    border-color: #0A66C2;
}

.contact-option.github:hover {
    color: #fff;
    border-color: #fff;
}