/* ============================================
   CORSO ATTENTO - SIMPLIFIED STYLESHEET
   ============================================ */

:root {
    --primary: #00d9ff;
    --secondary: #7c3aed;
    --accent: #ff6b5b;
    --dark: #1a2a4a;
    --light: #f8f6f1;
    --text: #2d3436;
    --border: #e8e6e1;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background: var(--light);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 2rem;
    text-align: center;
}

h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--dark), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h4 {
    font-size: 1.1rem;
    color: var(--secondary);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: linear-gradient(135deg, var(--dark) 0%, rgba(26, 42, 74, 0.95) 100%);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.navbar-brand {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.navbar-menu a {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color 0.3s;
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s;
}

.navbar-menu a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--primary);
    transition: all 0.3s;
    border-radius: 1px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--dark);
    text-decoration: none;
    font-weight: 700;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 217, 255, 0.4);
}

.btn:active {
    transform: translateY(0);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark) 0%, #0f2a5a 100%);
    color: var(--light);
    padding: 60px 20px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite reverse;
}

.hero .container {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
}

.hero h1 {
    color: var(--light);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    color: rgba(248, 246, 241, 0.9);
    margin-bottom: 2rem;
}

/* ============================================
   ARTICLE SECTION
   ============================================ */

.article-section {
    padding: 60px 20px;
    background: linear-gradient(180deg, var(--light) 0%, #f0ede8 100%);
}

.article-section .container {
    max-width: 900px;
}

article {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    animation: fadeInUp 0.8s ease-out;
}

article h2 {
    color: var(--dark);
    padding-bottom: 1.5rem;
    border-bottom: 3px solid transparent;
    border-image: linear-gradient(90deg, var(--primary), var(--secondary)) 1;
}

article h3 {
    padding-left: 1.5rem;
}

article h3::before {
    content: '';
    position: absolute;
    left: 0;
    width: 4px;
    height: 24px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 2px;
    margin-left: -1.5rem;
}

article h4::before {
    content: '◆ ';
    color: var(--primary);
    margin-right: 0.5rem;
}

.article-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    position: relative;
    transition: color 0.3s;
}

.article-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
}

.article-link:hover {
    color: var(--secondary);
}

.article-link:hover::after {
    transform: scaleX(1);
}

/* ============================================
   SERVICES SECTION
   ============================================ */

.services {
    padding: 60px 20px;
    background: linear-gradient(135deg, var(--dark) 0%, #0f2a5a 100%);
    color: var(--light);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 107, 91, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.services h2 {
    color: var(--light);
    position: relative;
    z-index: 10;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 10;
}

.service-card {
    background: rgba(248, 246, 241, 0.05);
    border: 2px solid rgba(0, 217, 255, 0.2);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }

.service-card:hover {
    background: rgba(0, 217, 255, 0.1);
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(0, 217, 255, 0.2);
}

.service-card h3 {
    color: var(--primary);
    margin: 1rem 0;
    font-size: 1.3rem;
    background: none;
    -webkit-text-fill-color: unset;
}

.service-card p {
    color: rgba(248, 246, 241, 0.8);
    margin: 0;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact {
    padding: 60px 20px;
    background: linear-gradient(180deg, #f0ede8 0%, var(--light) 100%);
}

.contact h2 {
    color: var(--dark);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    color: var(--dark);
    background: none;
    -webkit-text-fill-color: unset;
    margin-bottom: 1.5rem;
}

.contact-info p {
    margin-bottom: 0.8rem;
    line-height: 1.8;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: all 0.3s;
    background: white;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(45, 52, 54, 0.5);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
    background: rgba(0, 217, 255, 0.02);
    transform: translateY(-2px);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--dark);
    color: var(--light);
    padding: 2rem 20px;
    text-align: center;
}

.footer p {
    margin: 0.5rem 0;
    opacity: 0.9;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(20px);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
    .navbar-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .navbar-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark);
        padding: 1rem;
        gap: 0.5rem;
    }

    article {
        padding: 2rem;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .hero .container {
        padding: 0 20px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    article {
        padding: 1.5rem;
    }

    .contact-form input,
    .contact-form textarea {
        font-size: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}