/* ==============================
   VARIABILI CSS & RESET GLOBALE
   ============================== */

:root {
    /* Palette colori - Verde inglese professionale */
    --color-primary: #1B6B3A;           /* Verde scuro elegante */
    --color-primary-light: #2A8F4F;     /* Verde più chiaro */
    --color-primary-lighter: #E8F5E9;   /* Verde molto leggero */
    --color-secondary: #F5F5F5;         /* Grigio chiaro */
    --color-secondary-dark: #E0E0E0;    /* Grigio più scuro */
    --color-text: #2C3E50;              /* Testo principale scuro */
    --color-text-light: #7F8C8D;        /* Testo secondario */
    --color-white: #FFFFFF;             /* Bianco */
    --color-accent: #16A34A;            /* Verde accent per interazioni */

    /* Tipografia - Adattata per device */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Poppins', sans-serif;
    --font-size-base: 16px;
    --font-size-h1: 3.5rem;
    --font-size-h2: 2.5rem;
    --font-size-h3: 1.3rem;
    --line-height-normal: 1.6;
    --line-height-heading: 1.2;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    --spacing-xxxl: 5rem;
    --spacing-xxxxl: 7rem;
    --spacing-relaxed: 10rem;

    /* Border radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;

    /* Shadow */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);

    /* Transizioni */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-white);
}

/* ==============================
   CONTAINER & LAYOUT RESPONSIVE
   ============================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Large Desktop (1200px+) */
@media (max-width: 1199px) {
    .container {
        max-width: 960px;
        padding: 0 var(--spacing-lg);
    }
}

/* Tablet e Desktop piccoli (768px - 1199px) */
@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }
}

/* Smartphone grande (481px - 767px) */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* Smartphone piccolo (max 480px) */
@media (max-width: 370px) {
    .container {
        padding: 0 calc(var(--spacing-xs) * 1.5);
    }
}

/* ==============================
   HEADER & NAVIGAZIONE
   ============================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    height: auto;
}

.header-content {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-lg);
}

.logo {
    flex-shrink: 0;
    margin-right: auto;
}

.logo a {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.logo a:hover {
    color: var(--color-primary-light);
}

/* Navigazione desktop */
.nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-link i {
    margin-left: var(--spacing-xs);
    font-size: 0.8rem;
}

/* Tema toggle a destra */
.theme-toggle {
    flex-shrink: 0;
    margin-left: 0;
}
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-dropdown-toggle i {
    transition: transform var(--transition-fast);
    font-size: 0.7rem;
}

.nav-dropdown.active .nav-dropdown-toggle i {
    transform: rotate(180deg);
}

/* Hover per aprire dropdown */
.nav-dropdown:hover .nav-dropdown-menu {
    max-height: 300px;
    opacity: 1;
}

.nav-dropdown:hover .nav-dropdown-toggle i {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    min-width: 220px;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    margin-top: 0;
    z-index: 100;
}
    margin-top: var(--spacing-sm);
    z-index: 100;
}

.nav-dropdown.active .nav-dropdown-menu {
    max-height: 300px;
    opacity: 1;
}

.nav-dropdown-item {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-text);
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    font-size: 0.9rem;
    border-left: 3px solid transparent;
}

.nav-dropdown-item:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

/* Toggle menu mobile (hamburger) */
.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 6px;
    padding: var(--spacing-sm);
    z-index: 1001;
}

.menu-toggle span {
    width: 24px;
    height: 2.5px;
    background-color: var(--color-primary);
    transition: all 0.3s ease;
    border-radius: 1px;
    display: block;
    transform-origin: center;
}

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

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

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

/* Responsive Tablet e Mobile */
@media (max-width: 768px) {
    /* Header mobile: testo a sinistra, toggle e menu a destra */
    .header-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-md) 0;
    }

    .logo {
        margin-right: auto;
    }

    /* Container per toggle e hamburger */
    .header-controls {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        margin-left: var(--spacing-sm);
    }

    .theme-toggle {
        margin-left: 0;
        order: -1;
    }

    /* Mostra menu hamburger */
    .menu-toggle {
        display: flex !important;
        margin-left: var(--spacing-md);
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

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

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    /* Nascondi menu desktop e trasformalo in dropdown */
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-white);
        padding: 0;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal), padding var(--transition-normal);
        box-shadow: none;
        border: none;
        z-index: 999;
        justify-content: flex-start;
        flex: none;
    }

    .nav.active {
        max-height: 500px;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--color-secondary-dark);
    }

    .nav-link {
        padding: var(--spacing-sm) 0;
        font-size: 1rem;
        display: block;
    }

    .nav-link::after {
        display: none;
    }

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

/* Smartphone piccolo (max 480px) */
@media (max-width: 480px) {
    .logo a {
        font-size: 1.2rem;
    }

    .menu-toggle span {
        width: 20px;
        height: 2.5px;
    }
}

/* ==============================
   HERO SECTION RESPONSIVE
   ============================== */

.hero {
    margin-top: 70px;
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, rgba(27, 107, 58, 0.5) 0%, rgba(42, 143, 79, 0.5) 100%),
                url('../images/herowallpaper.jpg') center/cover no-repeat;
    min-height: 500px;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    animation: fadeInUp 0.8s ease;
    width: 100%;
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--font-size-h1);
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-heading);
    word-wrap: break-word;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.95);
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
    line-height: var(--line-height-normal);
    padding: 0 var(--spacing-md);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

.cta-button {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.cta-button:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-button-large {
    padding: var(--spacing-lg) var(--spacing-xxl);
    font-size: 1.1rem;
}

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .hero {
        min-height: 450px;
        padding: var(--spacing-xl) 0;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }
}

/* Tablet piccolo (481px - 767px) */
@media (max-width: 767px) {
    .hero {
        margin-top: 60px;
        min-height: 400px;
        padding: var(--spacing-xl) 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        max-width: 100%;
    }

    .cta-button {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.95rem;
    }
}

/* Smartphone (max 480px) */
@media (max-width: 480px) {
    .hero {
        margin-top: 55px;
        min-height: 350px;
        padding: var(--spacing-lg) 0;
    }

    .hero-title {
        font-size: 1.6rem;
        margin-bottom: var(--spacing-sm);
    }

    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }

    .cta-button {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.9rem;
        width: 100%;
        max-width: 280px;
    }

    .cta-button-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
    }
}

/* Smartphone piccolissimo (max 370px) */
@media (max-width: 370px) {
    .hero {
        min-height: 300px;
        padding: var(--spacing-md) 0;
    }

    .hero-title {
        font-size: 1.4rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }
}











/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .chi-sono {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .chi-sono-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

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

/* Tablet piccolo (481px - 767px) */
@media (max-width: 767px) {
    .chi-sono {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .chi-sono-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .intro-text {
        font-size: 1rem;
    }

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

    .soft-skills {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .soft-skill-badge {
        display: block;
        text-align: center;
    }
}

/* Smartphone (max 480px) */
@media (max-width: 480px) {
    .chi-sono {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .chi-sono-wrapper {
        gap: var(--spacing-lg);
    }

    .intro-text {
        font-size: 0.95rem;
    }

    .experience-block h3,
    .skills-block h3,
    .soft-skills-block h3 {
        font-size: 1rem;
    }

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

    .chi-sono-card-body {
        padding: var(--spacing-lg);
    }

    .chi-sono-avatar {
        font-size: 60px;
    }

    .highlight-number {
        font-size: 1.5rem;
    };
    }


/* Smartphone piccolissimo (max 370px) */
@media (max-width: 370px) {
    .chi-sono-text p {
        font-size: 0.85rem;
    }

    .approccio-list li {
        font-size: 0.8rem;
    }
}
/* ==============================
   FOOTER RESPONSIVE
   ============================== */

.footer {
    background-color: #000;
    color: #E0E0E0;
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-content p {
    font-size: 0.9rem;
    line-height: 1.5;
}

.footer-content a {
    color: #E0E0E0;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-content a:hover {
    color: #4CAF50;
    text-decoration: underline;
}

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .footer {
        padding: var(--spacing-lg) 0;
    }

    .footer-content p {
        font-size: 0.85rem;
    }
}

/* Tablet piccolo e mobile (max 767px) */
@media (max-width: 767px) {
    .footer {
        padding: var(--spacing-md) 0;
    }

    .footer-content {
        gap: var(--spacing-sm);
    }

    .footer-content p {
        font-size: 0.8rem;
        line-height: 1.4;
    }
}

/* Smartphone (max 480px) */
@media (max-width: 480px) {
    .footer {
        padding: var(--spacing-sm) 0;
    }

    .footer-content p {
        font-size: 0.75rem;
        line-height: 1.3;
    }
}

/* ==============================
   ANIMAZIONI GLOBALI
   ============================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==============================
   SCROLL ANIMATIONS (gestite da JS)
   ============================== */

.scroll-animate {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.scroll-animate.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* ==============================
   ACCESSIBILITY & UTILITIES
   ============================== */

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

a:focus {
    outline: none;
}

button:focus {
    outline: none;
}

/* ==============================
   BOOTSTRAP CUSTOMIZATION
   ============================== */

/* Personalizzazione colori Bootstrap */
:root {
    --bs-primary: #1B6B3A;
    --bs-body-font-family: 'Inter', sans-serif;
    --bs-body-color: #2C3E50;
}

/* Buttons */
.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
}

.btn-primary:focus {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    box-shadow: none;
}

/* Cards Bootstrap */
.card {
    border: 1px solid var(--color-secondary-dark);
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* Alert styling */
.alert-info {
    background-color: var(--color-primary-lighter);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Dropdown */
.dropdown-menu {
    border-color: var(--color-secondary-dark);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--color-primary-lighter);
    color: var(--color-primary);
    outline: none;
}

/* ==============================
   RIPPLE EFFECT BUTTON
   ============================== */

.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ==============================
   THEME TOGGLE BUTTON
   ============================== */

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--color-primary);
    transition: background-color var(--transition-fast);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
}

.theme-toggle:hover {
    background-color: rgba(56, 142, 60, 0.1);
}

.theme-toggle i {
    display: inline-block;
    transition: transform var(--transition-fast);
}

.theme-toggle:hover i {
    transform: rotate(20deg);
}

/* Dark mode theme */
:root.dark-mode {
    /* Palette colori - Tema scuro */
    --color-primary: #388E3C;           /* Verde meno accecante */
    --color-primary-light: #4CAF50;     /* Verde moderato */
    --color-primary-lighter: #1B5E20;   /* Verde molto scuro per sfondo */
    --color-secondary: #212121;         /* Grigio molto scuro */
    --color-secondary-dark: #424242;    /* Grigio medio-scuro */
    --color-text: #E0E0E0;              /* Testo leggero */
    --color-text-light: #B0B0B0;        /* Testo secondario leggero */
    --color-white: #121212;             /* Bianco → nero per background */
    --color-accent: #66BB6A;            /* Verde accent moderato */
}

/* Dark mode - Adjustments */
:root.dark-mode body {
    background-color: var(--color-white);
    color: var(--color-text);
}

:root.dark-mode .header {
    background-color: #1E1E1E;
    box-shadow: var(--shadow-md);
}

:root.dark-mode .nav {
    background-color: #1E1E1E;
}

:root.dark-mode .nav-dropdown-menu {
    background-color: #2A2A2A;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

:root.dark-mode .nav-dropdown-item {
    color: #E0E0E0;
}

:root.dark-mode .nav-dropdown-item:hover {
    background-color: rgba(76, 175, 80, 0.15);
    color: #4CAF50;
    border-left-color: #4CAF50;
}

:root.dark-mode .servizi,
:root.dark-mode .perche {
    background-color: #1A1A1A;
}

:root.dark-mode .chi-sono {
    background: linear-gradient(135deg, #252525 0%, rgba(27, 107, 58, 0.05) 100%);
}

:root.dark-mode .chi-sono-text-block .section-title {
    color: #E8F5E9;
}

:root.dark-mode .intro-text {
    color: #E0E0E0;
}

:root.dark-mode .experience-block h3,
:root.dark-mode .skills-block h3,
:root.dark-mode .soft-skills-block h3 {
    color: #4CAF50;
}

:root.dark-mode .experience-block p {
    color: #E0E0E0;
}

:root.dark-mode .skill-name {
    color: #E0E0E0;
}

:root.dark-mode .skill-bar {
    background-color: rgba(76, 175, 80, 0.1);
}

:root.dark-mode .soft-skills-list li {
    color: #E0E0E0;
}

:root.dark-mode .soft-skills-list li::before {
    color: #4CAF50;
}

:root.dark-mode .chi-sono-card {
    background: linear-gradient(135deg, #2A2A2A 0%, rgba(76, 175, 80, 0.05) 100%);
    border-color: rgba(76, 175, 80, 0.2);
}

:root.dark-mode .chi-sono-card-body h3 {
    color: #4CAF50;
}

:root.dark-mode .role {
    color: #B0B0B0;
}

:root.dark-mode .description {
    color: #E0E0E0;
}

:root.dark-mode .highlight-item {
    border-color: rgba(76, 175, 80, 0.2);
}

:root.dark-mode .highlight-number {
    color: #4CAF50;
}

:root.dark-mode .highlight-label {
    color: #B0B0B0;
}



:root.dark-mode .footer {
    background-color: #0D0D0D;
    color: #E0E0E0;
}

:root.dark-mode .footer p,
:root.dark-mode .footer a {
    color: #E0E0E0;
}

:root.dark-mode .footer a:hover {
    color: #E8F5E9;
}

:root.dark-mode .theme-toggle {
    color: var(--color-primary);
}

:root.dark-mode .theme-toggle:hover {
    background-color: rgba(56, 142, 60, 0.1);
}

@media (max-width: 768px) {
    .theme-toggle {
        order: 3;
    }
}

/* Riduzione movimento per preferenze ridotte */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* ==============================
   PORTFOLIO PAGE STYLES
   ============================== */

.portfolio-section {
    padding: var(--spacing-relaxed) var(--spacing-lg);
    background-color: var(--color-secondary);
}

.portfolio-section-alt {
    background-color: var(--color-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.portfolio-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: fadeIn 0.6s ease;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(27, 107, 58, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-card:hover .portfolio-overlay {
    opacity: 0;
}

.portfolio-link {
    width: 60px;
    height: 60px;
    background-color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.portfolio-card:hover .portfolio-link {
    transform: scale(1.1);
}

.portfolio-content {
    padding: var(--spacing-lg);
}

.portfolio-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.portfolio-category {
    background-color: rgba(27, 107, 58, 0.15);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.portfolio-year {
    color: var(--color-text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

.portfolio-content h3 {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    line-height: var(--line-height-heading);
}

.portfolio-content p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: var(--line-height-normal);
    margin-bottom: var(--spacing-md);
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    background-color: rgba(27, 107, 58, 0.1);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Dark Mode - Portfolio */
:root.dark-mode .portfolio-section-alt {
    background-color: #252525;
}

:root.dark-mode .portfolio-card {
    background-color: #2A2A2A;
    border-color: var(--color-secondary-dark);
}

:root.dark-mode .portfolio-overlay {
    background: rgba(56, 142, 60, 0.85);
}

:root.dark-mode .portfolio-content h3 {
    color: #E8F5E9;
}

:root.dark-mode .portfolio-content p {
    color: #B0B0B0;
}

:root.dark-mode .portfolio-category {
    background-color: rgba(76, 175, 80, 0.2);
    color: #4CAF50;
}

:root.dark-mode .portfolio-year {
    color: #B0B0B0;
}

:root.dark-mode .tag {
    background-color: rgba(76, 175, 80, 0.15);
    color: #4CAF50;
}

/* Responsive */
@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 767px) {
    .portfolio-section {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .portfolio-content {
        padding: var(--spacing-md);
    }

    .portfolio-content h3 {
        font-size: 1.1rem;
    }

    .portfolio-content p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .portfolio-section {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .portfolio-overlay {
        opacity: 0.9;
    }

    .portfolio-link {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* ==============================
   PROJECT SELECTOR STYLES
   ============================== */

.project-selector {
    display: flex !important;
    gap: 10px !important;
    margin-bottom: 15px !important;
}

.selector-btn {
    padding: 8px 16px !important;
    border: 2px solid var(--color-primary) !important;
    background: transparent !important;
    color: var(--color-primary) !important;
    border-radius: 6px !important;
    cursor: pointer !important;
    font-size: 14px !important;
    transition: all 0.3s !important;
    font-weight: 600 !important;
}

.selector-btn.active {
    background: var(--color-primary) !important;
    color: white !important;
}

.selector-btn:hover {
    background: rgba(27, 107, 58, 0.1) !important;
}

.selector-btn.active:hover {
    background: var(--color-primary) !important;
}

.project-description {
    animation: fadeIn 0.3s ease;
}

/* ==============================
   PROMOTION CARD STYLES
   ============================== */

.promotion-card .portfolio-image {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.promotion-content {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.promotion-content i {
    font-size: 4rem;
    color: var(--color-white);
    opacity: 0.9;
    animation: pulse 2s ease-in-out infinite;
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.9;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
}

/* Responsive Promotion Card */
@media (max-width: 767px) {
    .promotion-card .portfolio-image {
        min-height: 250px;
    }

    .promotion-content i {
        font-size: 3rem;
    }
}

@media (max-width: 480px) {
    .promotion-card .portfolio-image {
        min-height: 200px;
        padding: var(--spacing-xl);
    }

    .promotion-content {
        display: grid;
        place-items: center;
    }

    .promotion-content i {
        font-size: 2.5rem;
    }
}

.promotion-card .portfolio-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.promotion-card .portfolio-content h3 {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.4rem;
}

.promotion-card:hover {
    transform: translateY(-8px);
}

/* Dark Mode - Promotion Card */
:root.dark-mode .promotion-card .portfolio-image {
    background: linear-gradient(135deg, #1B5E20 0%, #2E7D32 100%);
}

:root.dark-mode .promotion-content i {
    color: #E8F5E9;
}

:root.dark-mode .promotion-card .portfolio-content h3 {
    color: #4CAF50;
    background: none;
    -webkit-text-fill-color: unset;
}

/* Dark Mode - Project Selector */
:root.dark-mode .selector-btn {
    border-color: #4CAF50 !important;
    color: #4CAF50 !important;
}

:root.dark-mode .selector-btn.active {
    background: #4CAF50 !important;
    color: #1B5E20 !important;
}

:root.dark-mode .selector-btn:hover {
    background: rgba(76, 175, 80, 0.1) !important;
}