/* ===================================
   Federico Mariotti - Portfolio
   Mobile First Responsive Design
   =================================== */

/* ----------------------------------
   CSS Custom Properties
   ---------------------------------- */
:root {
    /* Colors - Trust & Warmth Palette */
    --color-primary: #0077B6;
    --color-primary-dark: #005f8f;
    --color-secondary: #00B4D8;
    --color-accent: #90E0EF;
    --color-bg-light: #CAF0F8;
    --color-text-primary: #023E8A;
    --color-text-secondary: #03045E;
    --color-white: #FFFFFF;
    --color-gray-light: #F8F9FA;
    --color-gray: #6c757d;
    --color-gray-dark: #343a40;
    --color-success: #28a745;
    --color-error: #dc3545;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
    --font-size-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
    --font-size-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
    --font-size-lg: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --font-size-xl: clamp(1.15rem, 1rem + 0.75vw, 1.25rem);
    --font-size-2xl: clamp(1.35rem, 1.1rem + 1.25vw, 1.5rem);
    --font-size-3xl: clamp(1.75rem, 1.25rem + 2.5vw, 2rem);
    --font-size-4xl: clamp(2.25rem, 1.5rem + 3.75vw, 3rem);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    
    /* Header Height */
    --header-height: 70px;
}

/* ----------------------------------
   Reset & Base Styles
   ---------------------------------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-secondary);
    background-color: var(--color-white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ----------------------------------
   Utility Classes
   ---------------------------------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray);
}

/* ----------------------------------
   Buttons
   ---------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--full {
    width: 100%;
}

.btn__loading {
    display: none;
}

.btn--loading .btn__text {
    visibility: hidden;
}

.btn--loading .btn__loading {
    display: block;
    position: absolute;
}

.btn--loading .btn__loading svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ----------------------------------
   Header / Navigation
   ---------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.header--scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    position: relative;
}

.nav__logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
    z-index: calc(var(--z-modal) + 2);
    text-decoration: none;
}

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

/* Mobile Menu Toggle */
.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    z-index: calc(var(--z-modal) + 2);
    position: relative;
    background: none;
    border: none;
    cursor: pointer;
}

.nav__toggle-bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
    display: block;
}

.nav__toggle.active .nav__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__toggle.active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav__toggle.active .nav__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.nav__menu {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    height: 100dvh;
    background-color: var(--color-white);
    align-items: stretch;
    justify-content: flex-start;
    padding: calc(var(--header-height) + 20px) 24px 24px;
    gap: 0;
    transition: right 0.3s ease;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
    z-index: calc(var(--z-modal) + 1);
}

.nav__menu.active {
    right: 0;
}

.nav__item {
    list-style: none;
    border-bottom: 1px solid #f0f0f0;
}

.nav__item:last-child {
    border-bottom: none;
    margin-top: 16px;
}

.nav__link {
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: 14px 0;
    width: 100%;
    text-align: left;
    transition: color 0.2s ease;
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-primary);
}

.nav__link--cta {
    display: block;
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    padding: 14px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    margin-top: 16px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

.nav__link--cta:hover {
    background-color: var(--color-primary-dark);
}

/* Backdrop */
.nav__backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal);
    cursor: pointer;
}

.nav__backdrop.active {
    display: block;
}

/* ----------------------------------
   Hero Section
   ---------------------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: var(--header-height);
    background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero__container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
}

.hero__content {
    text-align: center;
}

.hero__greeting {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.hero__title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.hero__separator {
    color: var(--color-primary);
    margin: 0 var(--spacing-sm);
}

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.hero__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: center;
}

.hero__image {
    display: flex;
    justify-content: center;
}

.hero__image-wrapper {
    position: relative;
    width: 200px;
    height: 200px;
}

.hero__photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-full);
    border: 4px solid var(--color-primary);
    position: relative;
    z-index: 1;
}

.hero__image-decoration {
    position: absolute;
    top: 10px;
    left: 10px;
    right: -10px;
    bottom: -10px;
    border: 3px solid var(--color-secondary);
    border-radius: var(--radius-full);
    z-index: 0;
}

.hero__scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
}

.hero__scroll-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    animation: bounce 2s infinite;
}

.hero__scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ----------------------------------
   About Section
   ---------------------------------- */
.about {
    background-color: var(--color-white);
}

.about__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.about__image-wrapper {
    position: relative;
    max-width: 300px;
    margin: 0 auto;
}

.about__photo {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about__image-wrapper::before {
    content: '';
    position: absolute;
    top: -15px;
    left: -15px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--color-secondary);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about__title {
    font-size: var(--font-size-2xl);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.about__description {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.about__stat {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-bg-light);
    border-radius: var(--radius-md);
}

.about__stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.about__stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-gray);
}

/* ----------------------------------
   Services Section
   ---------------------------------- */
.services {
    background-color: var(--color-bg-light);
}

.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.service__card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.service__card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service__icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.service__title {
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.service__description {
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service__features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.service__features li {
    position: relative;
    padding-left: var(--spacing-lg);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.service__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* ----------------------------------
   Skills Section
   ---------------------------------- */
.skills {
    background-color: var(--color-white);
}

.skills__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.skills__category {
    background-color: var(--color-gray-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.skills__category-title {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

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

.skill__tag {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.skill__tag:hover {
    background-color: var(--color-secondary);
    transform: scale(1.05);
}

/* ----------------------------------
   Portfolio Section
   ---------------------------------- */
.portfolio {
    background-color: var(--color-bg-light);
}

.portfolio__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.portfolio__card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.portfolio__card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.portfolio__image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.portfolio__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio__card:hover .portfolio__image img {
    transform: scale(1.1);
}

.portfolio__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 119, 182, 0.9), transparent);
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-md);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio__card:hover .portfolio__overlay {
    opacity: 1;
}

.portfolio__category {
    background-color: var(--color-white);
    color: var(--color-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

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

.portfolio__title {
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.portfolio__description {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

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

.portfolio__tech span {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-bg-light);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* ----------------------------------
   Contact Section
   ---------------------------------- */
.contact {
    background-color: var(--color-white);
}

.contact__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact__info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.contact__info-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-light);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact__info-text h4 {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.contact__info-text p,
.contact__info-text a {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

.contact__info-text a:hover {
    color: var(--color-primary);
}

.contact__social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.contact__social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-bg-light);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

.contact__social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

/* Contact Form */
.contact__form {
    background-color: var(--color-gray-light);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
}

.form__group {
    margin-bottom: var(--spacing-lg);
}

.form__group--honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
}

.form__label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.form__input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-md);
    background-color: var(--color-white);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.1);
}

.form__input::placeholder {
    color: var(--color-gray);
}

.form__textarea {
    min-height: 150px;
    resize: vertical;
}

.form__message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: none;
}

.form__message--success {
    display: block;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form__message--error {
    display: block;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ----------------------------------
   Footer
   ---------------------------------- */
.footer {
    background: linear-gradient(135deg, #1a365d 0%, #2d4a7c 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer__logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-white);
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

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

.footer__tagline {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.footer__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__list a {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer__list a:hover {
    color: var(--color-white);
}

.footer__contact p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.footer__bottom p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

/* ----------------------------------
   Back to Top Button
   ---------------------------------- */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-sticky);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* ----------------------------------
   Responsive Design - Tablet (768px)
   ---------------------------------- */
@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
    
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    /* Navigation - Desktop */
    .nav__toggle {
        display: none !important;
    }
    
    .nav__menu {
        position: static !important;
        display: flex !important;
        flex-direction: row !important;
        width: auto !important;
        max-width: none !important;
        height: auto !important;
        min-height: auto !important;
        background-color: transparent !important;
        align-items: center !important;
        justify-content: flex-end !important;
        gap: 4px !important;
        padding: 0 !important;
        box-shadow: none !important;
        overflow: visible !important;
    }
    
    .nav__item {
        list-style: none;
        border-bottom: none !important;
        margin: 0 !important;
    }
    
    .nav__link {
        display: block;
        padding: 8px 14px !important;
        font-size: 15px !important;
        white-space: nowrap;
        text-align: center;
    }
    
    .nav__link--cta {
        margin-left: 8px !important;
        margin-top: 0 !important;
        padding: 10px 20px !important;
        border-radius: var(--radius-md);
    }
    
    .nav__backdrop {
        display: none !important;
    }
    
    /* Hero */
    .hero__container {
        flex-direction: row;
        align-items: center;
        text-align: left;
    }
    
    .hero__content {
        flex: 1;
        text-align: left;
    }
    
    .hero__buttons {
        flex-direction: row;
    }
    
    .hero__image {
        flex: 0 0 auto;
    }
    
    .hero__image-wrapper {
        width: 280px;
        height: 280px;
    }
    
    /* About */
    .about__content {
        flex-direction: row;
        align-items: center;
    }
    
    .about__image {
        flex: 0 0 40%;
    }
    
    .about__text {
        flex: 1;
    }
    
    /* Services */
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Skills */
    .skills__content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Portfolio */
    .portfolio__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Contact */
    .contact__content {
        flex-direction: row;
    }
    
    .contact__info {
        flex: 0 0 40%;
    }
    
    .contact__form {
        flex: 1;
    }
    
    /* Footer */
    .footer__content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ----------------------------------
   Responsive Design - Desktop (1024px)
   ---------------------------------- */
@media (min-width: 1024px) {
    /* Hero */
    .hero__image-wrapper {
        width: 350px;
        height: 350px;
    }
    
    /* Services */
    .services__grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Skills */
    .skills__content {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Portfolio */
    .portfolio__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Footer */
    .footer__content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

/* ----------------------------------
   Responsive Design - Large Desktop (1200px)
   ---------------------------------- */
@media (min-width: 1200px) {
    .container {
        padding: 0 var(--spacing-2xl);
    }
    
    .section {
        padding: 5rem 0;
    }
}

/* ----------------------------------
   Animations
   ---------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-slow);
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--color-bg-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}