/* material.css - Modernized Material Design System for CV */

:root {
    --primary: #1a73e8;
    --primary-variant: #1557b0;
    --secondary: #00bfa5;
    --background: #f8f9fa;
    --surface: #ffffff;
    --on-surface: #202124;
    --on-surface-medium: #5f6368;
    --shadow-1: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-2: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
    --shadow-3: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
    --radius: 8px;
    --transition: all 0.3s cubic-bezier(.25,.8,.25,1);
}

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

body {
    font-family: 'Roboto', 'Montserrat', sans-serif;
    background-color: var(--background);
    color: var(--on-surface);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    color: var(--on-surface);
}

.brand {
    font-family: 'Sacramento', cursive;
    color: var(--primary);
}

nav .brand {
    font-size: 2rem;
}

.hero .brand {
    font-size: 3.5rem;
    margin-top: 0;
    margin-bottom: 0.5rem;
}

/* --- Navigation --- */
nav {
    background: var(--surface);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-1);
}

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

nav a {
    text-decoration: none;
    color: var(--on-surface-medium);
    font-weight: 500;
    transition: var(--transition);
}

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

/* --- Hero Section --- */
.hero {
    padding: 100px 10%;
    text-align: center;
    background: linear-gradient(135deg, #e3f2fd 0%, #ffffff 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.profile-img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    box-shadow: var(--shadow-2);
    margin-bottom: 2rem;
    border: 4px solid var(--surface);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    color: var(--on-surface-medium);
    max-width: 600px;
}

/* --- Sections & Cards --- */
section {
    padding: 80px 10%;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 4px;
    background: var(--secondary);
    margin: 10px auto;
    border-radius: 2px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--surface);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow-1);
    transition: var(--transition);
    border-top: 4px solid transparent;
    cursor: pointer;
}

.card:hover {
    box-shadow: var(--shadow-3);
    transform: translateY(-5px);
    border-top-color: var(--primary);
}

.card h3 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.card .date {
    font-size: 0.9rem;
    color: var(--on-surface-medium);
    margin-bottom: 1rem;
    display: block;
}

.card ul {
    margin-left: 1.5rem;
    margin-top: 0.5rem;
}

.card li {
    margin-bottom: 0.5rem;
    color: var(--on-surface-medium);
}

/* --- Skills --- */
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.chip {
    background: #e8f0fe;
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 16px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* --- Footer & FAB --- */
footer {
    background: var(--on-surface);
    color: white;
    padding: 40px 10%;
    text-align: center;
}

.fab {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background: var(--secondary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-2);
    text-decoration: none;
    font-size: 1.5rem;
    transition: var(--transition);
}

.fab:hover {
    box-shadow: var(--shadow-3);
    transform: scale(1.1);
}

@media (max-width: 768px) {
    nav { padding: 0 5%; }
    .hero { padding: 60px 5%; }
    section { padding: 60px 5%; }
}