/* --- Variables y Reset --- */
:root {
    --bg-color: #fdf5f5; /* Light peach/pink background */
    --bg-alt: #ffffff; /* White background for cards and sections */
    --text-primary: #1a1a2e; /* Dark navy/black for headings */
    --text-secondary: #64748b; /* Slate gray for body text */
    
    /* Accent colors based on the image */
    --accent-red: #ff5252; /* Salmon/Coral */
    --accent-red-hover: #ff3333;
    --accent-cyan: #00e5ff; /* Bright Turquoise */
    --accent-cyan-hover: #00b8cc;
    
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Playfair Display', serif;
    
    --transition: all 0.3s ease;
    --shadow-soft: 0 15px 35px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-secondary);
    line-height: 1.7;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 700;
}

.section-title {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
    position: relative;
}

.section-title span {
    color: var(--accent-red);
    font-style: italic;
}

/* Underline decoration for section titles */
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--accent-cyan);
    margin: 1rem auto 0;
}

/* --- Navigation --- */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
}

#navbar.scrolled {
    background: #ffffff;
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

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

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    padding-top: 6rem;
    gap: 5rem;
}

.hero-content {
    flex: 1.2;
    z-index: 2;
}

.greeting {
    font-size: 1.1rem;
    color: var(--accent-red);
    font-family: var(--font-main);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.greeting::after {
    content: '';
    width: 40px;
    height: 2px;
    background-color: var(--accent-red);
}

.name {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.subtitle {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
    position: relative;
    display: inline-block;
}

/* Cyan underline for the subtitle */
.subtitle::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 6px;
    background-color: var(--accent-cyan);
    z-index: -1;
}

.presentation {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 450px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 0; /* Flat, square buttons like the image */
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: inline-block;
    text-align: center;
    transition: var(--transition);
    border: none;
}

.primary-btn {
    background-color: var(--accent-red);
    color: #fff;
    box-shadow: 0 10px 20px rgba(255, 82, 82, 0.2);
}

.primary-btn:hover {
    background-color: var(--accent-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(255, 82, 82, 0.3);
}

.secondary-btn {
    background-color: var(--accent-cyan);
    color: var(--text-primary);
    box-shadow: 0 10px 20px rgba(0, 229, 255, 0.2);
}

.secondary-btn:hover {
    background-color: var(--accent-cyan-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 25px rgba(0, 229, 255, 0.3);
}

/* Hero Image with Geometric Shapes */
.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.blob-bg {
    position: absolute;
    width: 450px;
    height: 450px;
    background-color: var(--accent-cyan);
    border-radius: 50%;
    z-index: 0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.blob-bg::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: var(--accent-red);
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
    border-radius: 0 0 50% 0;
    right: -10%;
    bottom: -10%;
    z-index: -1;
}

.image-placeholder {
    width: 380px;
    height: 380px;
    background: #e2e8f0;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 8rem;
    color: #94a3b8;
    position: relative;
    z-index: 2;
    border: 10px solid #ffffff;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

/* --- Sections General --- */
.section {
    padding: 8rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.dark-bg {
    background-color: var(--bg-alt); /* Changed to white for this design */
    max-width: 100%;
    padding: 8rem 0;
}

.dark-bg > div {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- About Section --- */
.about-content {
    background: var(--card-bg);
    padding: 4rem;
    box-shadow: var(--shadow-soft);
    position: relative;
    border-top: 4px solid var(--accent-cyan);
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.personal-info {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

.info-item i {
    color: var(--accent-red);
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    background: rgba(255, 82, 82, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* --- Timeline (Experience & Education) --- */
.timeline-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.column-title {
    font-size: 2rem;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-primary);
}

.column-title i {
    color: var(--accent-red);
    background: rgba(255, 82, 82, 0.1);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.timeline-box {
    background: var(--card-bg);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-soft);
    position: relative;
    border-top: 3px solid var(--accent-cyan);
    transition: var(--transition);
}

.timeline-box:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.timeline-date {
    font-size: 0.85rem;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 0.3rem 1rem;
    background: rgba(0, 229, 255, 0.1);
    border-radius: 20px;
}

.timeline-role {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.timeline-company {
    display: block;
    font-size: 1rem;
    color: var(--accent-red);
    margin-bottom: 1rem;
    font-weight: 500;
}

/* --- Skills & Certs --- */
.skills-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.skill-category h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.skill-category h3 i {
    color: var(--accent-cyan);
}

.cert-list li {
    background: var(--card-bg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-soft);
    border-left: 4px solid var(--accent-red);
    transition: var(--transition);
}

.cert-list li:hover {
    transform: translateX(5px);
}

.cert-info strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.cert-info span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cert-info span::before {
    content: '\f073';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--accent-cyan);
}

.language-bars .lang-item {
    margin-bottom: 1.5rem;
}

.lang-name {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

.lang-name span:last-child {
    color: var(--accent-red);
    font-size: 0.9rem;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background-color: #f1f5f9;
    border-radius: 5px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background-color: var(--accent-cyan);
    border-radius: 5px;
}

.full-width {
    grid-column: 1 / -1;
    margin-top: 2rem;
}

.badges-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.badge {
    background: #ffffff;
    color: var(--text-primary);
    box-shadow: var(--shadow-soft);
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-bottom: 3px solid var(--accent-red);
    transition: var(--transition);
}

.badge:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    background: var(--accent-red);
    color: #fff;
}

/* --- Contact --- */
.contact-wrapper {
    display: flex;
    justify-content: center;
}

.contact-info {
    text-align: center;
    max-width: 700px;
    background: var(--card-bg);
    padding: 5rem 3rem;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.contact-info::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-red), var(--accent-cyan));
}

.contact-info h3 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.contact-details {
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-details li {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.contact-details i {
    color: #fff;
    background: var(--accent-cyan);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-btn {
    width: 50px;
    height: 50px;
    background: #f1f5f9;
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-btn:hover {
    background: var(--accent-red);
    color: #fff;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255, 82, 82, 0.2);
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 3rem;
    background: #1a1a2e; /* Dark footer */
    color: #fff;
    font-size: 1rem;
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .hero {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 8rem;
        gap: 3rem;
    }
    
    .greeting {
        justify-content: center;
    }
    .greeting::after {
        display: none;
    }
    
    .name {
        font-size: 3.5rem;
    }
    
    .presentation {
        margin: 0 auto 2.5rem auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .timeline-container,
    .skills-container {
        grid-template-columns: 1fr;
    }
    
    .blob-bg {
        width: 350px;
        height: 350px;
    }
    
    .image-placeholder {
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        gap: 1.5rem;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .name {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .blob-bg {
        width: 280px;
        height: 280px;
    }
    
    .image-placeholder {
        width: 240px;
        height: 240px;
    }
    
    .personal-info {
        flex-direction: column;
        gap: 1.5rem;
    }
}