/* ===== VARIABLES GLOBALS ===== */
:root {
    /* Tema fosc (per defecte) */
    --color-gris-fosc: rgb(44, 44, 44);
    --color-gris-mitja: rgb(54, 54, 54);
    --color-vermell-transparent: rgba(255, 0, 0, 0.5);
    --color-text: rgb(238, 238, 238);
    --color-text-dim: rgba(238, 238, 238, 0.8);
    --color-text-muted: rgba(238, 238, 238, 0.7);
    --color-text-subtle: rgba(238, 238, 238, 0.9);
    --color-fons: rgb(44, 44, 44);
    --color-card-bg: rgb(54, 54, 54);
    --color-border: rgba(255, 255, 255, 0.1);
    --font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* Tema clar */
[data-theme="light"] {
    --color-gris-fosc: rgb(240, 240, 240);
    --color-gris-mitja: rgb(220, 220, 220);
    --color-vermell-transparent: rgba(255, 0, 0, 0.7);
    --color-text: rgb(33, 33, 33);
    --color-text-dim: rgba(33, 33, 33, 0.8);
    --color-text-muted: rgba(33, 33, 33, 0.7);
    --color-text-subtle: rgba(33, 33, 33, 0.9);
    --color-fons: rgb(250, 250, 250);
    --color-card-bg: rgb(255, 255, 255);
    --color-border: rgba(0, 0, 0, 0.1);
}

/* ===== RESET I BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-fons);
    color: var(--color-text);
    line-height: 1.6;
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: var(--color-vermell-transparent);
}

/* ===== CONTENIDOR ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===== CAPÇALERA (HEADER) ===== */
header {
    background-color: var(--color-gris-fosc);
    padding: 1rem 0;
    border-bottom: 2px solid var(--color-gris-mitja);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    transition: 0.2s ease-in-out;
    text-decoration: none;
    color: var(--color-text);
    font-size: 3rem;
    font-weight: bold;
    font-style: italic;
    line-height: 1;
    padding: 0.2rem 0.2rem;
}

.logo:hover {
    color: var(--color-vermell-transparent);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

/* CV dropdown */
.cv-dropdown {
    position: relative;
}

.cv-btn {
    background: transparent;
    border: none;
    color: var(--color-text);
    font-weight: 500;
    cursor: pointer;
    padding: 0.5rem 0;
    transition: color 0.15s ease-in-out;
    font-size: inherit;
    border-bottom: 2px solid transparent;
    display: inline-flex;
    align-items: center;
    transform: translateY(2px);
    white-space: nowrap;
}

.cv-btn:hover {
    color: var(--color-vermell-transparent);
    border-bottom-color: var(--color-vermell-transparent);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-gris-fosc);
    border: 1px solid var(--color-gris-mitja);
    border-radius: 6px;
    padding: 0.5rem 0;
    min-width: 160px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.25);
    z-index: 200;
    list-style: none;
}

.dropdown-menu li a {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--color-text);
    white-space: nowrap;
}

.dropdown-menu li a:hover {
    background-color: var(--color-gris-mitja);
    color: var(--color-vermell-transparent);
}

/* Show when toggled via JS */
.cv-dropdown.open .dropdown-menu {
    display: block;
}

.nav-menu a {
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.nav-menu a:hover {
    border-bottom-color: var(--color-vermell-transparent);
}

/* ===== SECCIONS ===== */
.section {
    padding: 5rem 0;
    border-bottom: 1px solid var(--color-gris-mitja);
}

.section:last-of-type {
    border-bottom: none;
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 2rem;
    color: var(--color-vermell-transparent);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 4px;
    background-color: var(--color-vermell-transparent);
}

.section-description {
    margin-bottom: 3rem;
    font-size: 1.1rem;
    color: var(--color-text-dim);
}

/* ===== HERO ===== */
#hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    background-color: var(--color-gris-fosc);
    position: relative;
    overflow: hidden;
}

#hero .container {
    max-width: 1200px;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: bold;
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text-subtle);
    font-style: italic;
}

.hero-name {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--color-vermell-transparent);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--color-text-dim);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.hero-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.hero-links img {
    width: 75px;
    height: auto;
    transition: opacity 0.2s ease-in-out;
}

.hero-links a:hover img {
    opacity: 0.7;
}

/* ===== BOTONS ===== */
.button {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.2s ease-in-out;
    border: 2px solid transparent;
    cursor: pointer;
}

.button-primary {
    background-color: var(--color-vermell-transparent);
    color: var(--color-text);
}

.button-primary:hover {
    background-color: transparent;
    border-color: var(--color-vermell-transparent);
    color: var(--color-text);
}

.button-secondary {
    background-color: transparent;
    border: 2px solid var(--color-gris-mitja);
    color: var(--color-text);
}

.button-secondary:hover {
    background-color: var(--color-gris-mitja);
    border-color: var(--color-gris-mitja);
}

/* ===== SOBRE MI ===== */
.sobre-mi-content {
    max-width: 900px;
    font-size: 1.1rem;
}

.sobre-mi-content p {
    margin-bottom: 1.5rem;
}

.first-lego-logo {
    float: right;
    width: 300px;
    margin-left: 1rem;
    margin-bottom: 1rem;
}

.highlight {
    color: var(--color-vermell-transparent);
    font-weight: 500;
}

.idiomes {
    background-color: var(--color-gris-mitja);
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
}

/* ===== EXPERIENCIA PROFESIONAL ===== */
.right-aligned {
    text-align: right;
}

.right-title::after {
    left: auto;
    right: 0;
}

.experiencia-content {
    max-width: 900px;
    font-size: 1.1rem;
    text-align: right;
    margin-left: auto;
}

.experiencia-content p {
    margin-bottom: 1.5rem;
}

.kostal-logo {
    float: left;
    width: 300px;
    margin-right: 1rem;
    margin-bottom: 1rem;
}

/* ===== FORMACIÓ (CARDS) ===== */
.formacio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.card {
    background-color: var(--color-gris-mitja);
    padding: 2rem;
    border-radius: 8px;
    transition: transform 0.2s ease-in-out;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    color: var(--color-vermell-transparent);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.card-subtitle {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.card-list {
    list-style: none;
}

.card-list li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.card-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-vermell-transparent);
}

/* ===== PROJECTES ===== */
.projectes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.project-card {
    background-color: var(--color-gris-mitja);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--color-vermell-transparent);
    transition: transform 0.2s ease-in-out;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.project-tech span {
    background-color: var(--color-vermell-transparent);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

.project-link {
    display: inline-block;
    color: var(--color-vermell-transparent);
    font-weight: 600;
}

.project-link:hover {
    text-decoration: underline;
}

.project-card img {
    width: 100%;
    height: auto;
    max-height: 260px;
    object-fit: contain;
    border-radius: 8px;
    margin-top: 1rem;
    display: block;
    background-color: #2d2d2d;
}

/* ===== VISIÓ ===== */
.visio-content {
    max-width: 900px;
    font-size: 1.1rem;
}

.visio-content p {
    margin-bottom: 1.5rem;
}

.visio-content .highlight {
    display: block;
    font-size: 1.5rem;
    margin: 2rem 0;
    text-align: center;
}

/* ===== CONTACTE ===== */
.contacte-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contacte-content p {
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

.contacte-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 2rem;
}

.contacte-links img {
    width: 40px;
    height: auto;
    transition: opacity 0.2s ease-in-out;
}

.contacte-links a:hover img {
    opacity: 0.7;
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--color-gris-fosc);
    padding: 2rem 0;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE (MÒBIL) ===== */
@media (max-width: 870px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-name {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .logo {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .button {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }
    
    .contacte-content .button {
        padding: 0.8rem 1rem;
        font-size: 0.8rem;
        word-break: break-word;
    }    

    .first-lego-logo {
        width: 200px;
    }

    .kostal-logo {
        width: 200px;
    }
    
    .projectes-grid {
        grid-template-columns: 1fr;
    }
}

/* Language selector i theme toggle */

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
    margin-right: 1rem;
}

.language-selector {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--color-gris-mitja);
    color: var(--color-text);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s ease-in-out;
}

.lang-btn:hover,
.lang-btn.active {
    background-color: var(--color-vermell-transparent);
    border-color: var(--color-vermell-transparent);
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--color-gris-mitja);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.theme-toggle:hover {
    border-color: var(--color-vermell-transparent);
    transform: scale(1.1);
}

.theme-icon {
    width: 20px;
    height: 20px;
    display: inline-block;
    vertical-align: middle;
}

/* Menú mòbil */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: all 0.3s ease-in-out;
}

/* Responsive */
@media (max-width: 870px) {
    .nav-controls {
        gap: 0.5rem;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-gris-fosc);
        flex-direction: column;
        padding: 1rem;
        border-top: 2px solid var(--color-gris-mitja);
    }

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

    .nav-menu li {
        width: 100%;
        text-align: center;
    }

    .nav-menu a {
        display: block;
        padding: 1rem;
    }

    .language-selector {
        margin-right: 0.5rem;
    }
}

/* Menú obert (animació) */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}