/* ==========================================================================
   FORZA & VITALITÀ - Premium Italian Male Wellness Theme
   Color Palette:
   - Primary Dark (Text & Dark Cards): #1E2022
   - Brand Accent (Buttons & Highlights): #0052CC
   - Light Background: #FFFFFF
   - Section Alternate: #F8FAFC
   - Muted Text: #5A626A
   - Border Color: #E2E8F0
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --color-bg: #FFFFFF;
    --color-bg-alt: #F8FAFC;
    --color-dark: #1E2022;
    --color-dark-surface: #111315;
    --color-accent: #0052CC;
    --color-accent-hover: #003D99;
    --color-text: #1E2022;
    --color-text-muted: #5A626A;
    --color-border: #E2E8F0;
    --color-card-bg: #FFFFFF;
    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 8px rgba(30, 32, 34, 0.04);
    --shadow-md: 0 10px 30px rgba(30, 32, 34, 0.06);
    --shadow-lg: 0 20px 40px rgba(0, 82, 204, 0.08);
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-dark);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
}

h3 {
    font-size: clamp(1.35rem, 2vw, 1.75rem);
}

p {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

.text-lead {
    font-size: 1.2rem;
    font-weight: 500;
    color: #33383F;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background-color: rgba(0, 82, 204, 0.08);
    color: var(--color-accent);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 100px;
}

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 5rem 0;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--color-accent);
    color: #FFFFFF;
    box-shadow: 0 4px 15px rgba(0, 82, 204, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 82, 204, 0.4);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-dark);
    color: var(--color-dark);
}

.btn-outline:hover {
    background-color: var(--color-dark);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

/* Header & Navigation */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-dark);
    letter-spacing: -0.03em;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background-color: var(--color-accent);
    color: #FFFFFF;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-dark);
    position: relative;
    padding: 0.5rem 0;
}

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

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 6rem 0 5rem;
    background: linear-gradient(135deg, #FFFFFF 0%, var(--color-bg-alt) 100%);
    overflow: hidden;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.hero-image-wrapper img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    display: block;
}

.hero-overlay-card {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
    background: rgba(30, 32, 34, 0.85);
    backdrop-filter: blur(12px);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-overlay-card p {
    color: #E2E8F0;
    font-size: 0.9rem;
    margin: 0;
}

/* Feature & Concept Cards */
.card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2.25rem;
    transition: var(--transition);
}

.card:hover {
    border-color: rgba(0, 82, 204, 0.3);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.card-icon {
    width: 54px;
    height: 54px;
    background-color: rgba(0, 82, 204, 0.08);
    color: var(--color-accent);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.card-title {
    margin-bottom: 0.75rem;
    font-size: 1.35rem;
}

/* Dark Section Style */
.section-dark {
    background-color: var(--color-dark);
    color: #FFFFFF;
}

.section-dark h2,
.section-dark h3 {
    color: #FFFFFF;
}

.section-dark p {
    color: #A0AEC0;
}

.section-dark .card {
    background-color: var(--color-dark-surface);
    border-color: #2D3748;
}

.section-dark .card:hover {
    border-color: var(--color-accent);
}

/* Nutrients Grid */
.nutrient-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.nutrient-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-accent);
}

/* Offerta Product Presentation */
.product-showcase {
    background-color: #FFFFFF;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

.product-img-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-bg-alt);
    padding: 1.5rem;
    text-align: center;
}

.product-img-container img {
    max-height: 480px;
    object-fit: contain;
    margin: 0 auto;
    border-radius: var(--radius-sm);
}

.product-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin: 1.5rem 0;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.highlight-icon {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

/* Quality & Transparency Section */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.cert-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    text-align: center;
}

.cert-badge-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: var(--color-accent);
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Form Styling */
.form-container {
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-dark);
}

.form-control {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg-alt);
    color: var(--color-dark);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: #FFFFFF;
    box-shadow: 0 0 0 4px rgba(0, 82, 204, 0.12);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 0.15rem;
    accent-color: var(--color-accent);
    cursor: pointer;
}

/* Footer */
.footer {
    background-color: var(--color-dark-surface);
    color: #8A94A6;
    padding: 4rem 0 2rem;
    border-top: 1px solid #2D3748;
}

.footer-logo {
    color: #FFFFFF;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.footer-nav a {
    color: #A0AEC0;
    font-weight: 500;
}

.footer-nav a:hover {
    color: #FFFFFF;
}

.footer-disclaimer {
    font-size: 0.825rem;
    line-height: 1.6;
    color: #718096;
    border-top: 1px solid #2D3748;
    padding-top: 2rem;
    margin-top: 2rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-image-wrapper img {
        height: 380px;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        transition: var(--transition);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .product-showcase, .form-container {
        padding: 1.75rem;
    }
}