/* ============================================
   CLOUDBREAK ASD - Main Stylesheet
   Modern, clean, responsive
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --primary: #02aeb3;
    --primary-dark: #018a8e;
    --primary-light: #e6f8f9;
    --accent: #20b2aa;
    --dark: #1a1a1a;
    --dark-soft: #2b2b2b;
    --gray: #6b7280;
    --gray-light: #f3f4f6;
    --gray-border: #e5e7eb;
    --white: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --container: 1200px;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Bebas Neue', 'Oswald', Impact, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--dark-soft);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

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

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: 0.02em;
    color: var(--dark);
    text-transform: uppercase;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }

p {
    margin-bottom: 1rem;
}

p:last-child {
    margin-bottom: 0;
}

/* ---------- Container ---------- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    line-height: 1.2;
    white-space: nowrap;
}

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

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

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

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

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

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

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

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

.btn-lg {
    padding: 18px 40px;
    font-size: 15px;
}

.btn-sm {
    padding: 10px 22px;
    font-size: 12px;
}

/* ---------- Loader ---------- */
.loader {
    position: fixed;
    inset: 0;
    background: var(--white);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-inner {
    width: 60px;
    height: 60px;
    border: 3px solid var(--gray-border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ---------- Header / Navbar ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    background: transparent;
    transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.header.scrolled {
    background: rgba(255,255,255,0.98);
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo img {
    height: 48px;
    width: auto;
    transition: height var(--transition);
}

.header.scrolled .logo img {
    height: 40px;
}

/* Nav desktop */
.nav {
    display: none;
    align-items: center;
    gap: 4px;
}

.nav a {
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--white);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav a:hover,
.nav a.active {
    background: rgba(255,255,255,0.15);
    color: var(--white);
}

.header.scrolled .nav a {
    color: var(--dark-soft);
}

.header.scrolled .nav a:hover,
.header.scrolled .nav a.active {
    background: var(--primary-light);
    color: var(--primary);
}

/* Hamburger */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 32px;
    height: 32px;
    align-items: center;
    justify-content: center;
    padding: 6px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition);
}

.header.scrolled .hamburger span,
.hamburger.active span {
    background: var(--dark-soft);
}

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

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

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

/* Mobile menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(85vw, 380px);
    background: var(--white);
    box-shadow: -8px 0 32px rgba(0,0,0,0.15);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    padding: 100px 32px 40px;
    overflow-y: auto;
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-menu a {
    display: block;
    padding: 12px 0;
    font-size: 18px;
    font-weight: 500;
    color: var(--dark-soft);
    border-bottom: 1px solid var(--gray-border);
}

.mobile-menu a:hover {
    color: var(--primary);
}

.mobile-menu .social-row {
    margin-top: 32px;
    display: flex;
    gap: 12px;
}

.mobile-menu .social-row a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 18px;
    border: none;
    padding: 0;
}

.menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 999;
}

.menu-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* ---------- Hero (homepage) ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-align: center;
    color: var(--white);
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(2,174,179,0.75), rgba(0,0,0,0.55));
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 24px;
}

.hero .kicker {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.9);
}

.hero h1 {
    color: var(--white);
    margin-bottom: 24px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.hero p.lead {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: 36px;
    color: rgba(255,255,255,0.95);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 24px;
    opacity: 0.7;
    animation: bounce 2s infinite;
    z-index: 2;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- Section ---------- */
.section {
    padding: 100px 0;
}

.section-sm {
    padding: 60px 0;
}

.section-bg {
    background: var(--gray-light);
}

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

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}

.section-header .kicker {
    display: block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 12px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.0625rem;
    color: var(--gray);
}

.section-primary .section-header .kicker,
.section-primary .section-header p {
    color: rgba(255,255,255,0.85);
}

.section-primary .section-header h2 {
    color: var(--white);
}

/* ---------- Grid ---------- */
.grid {
    display: grid;
    gap: 32px;
}

.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 640px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Cards ---------- */
.card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.card-img {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--gray-light);
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-img img {
    transform: scale(1.06);
}

.card-body {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-body h3 {
    margin-bottom: 12px;
    font-size: 1.5rem;
}

.card-body p {
    color: var(--gray);
    font-size: 0.9375rem;
    flex: 1;
    margin-bottom: 20px;
}

.card-body .btn {
    align-self: flex-start;
}

/* ---------- About split ---------- */
.split {
    display: grid;
    gap: 48px;
    align-items: center;
}

@media (min-width: 900px) {
    .split { grid-template-columns: 1fr 1fr; }
}

.split-img {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.split-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.split-content h2 {
    margin-bottom: 20px;
}

.split-content p {
    margin-bottom: 16px;
    color: var(--gray);
}

.split-content ul {
    margin: 20px 0;
}

.split-content ul li {
    padding: 8px 0 8px 28px;
    position: relative;
    color: var(--dark-soft);
}

.split-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 8px;
    color: var(--primary);
    font-weight: 700;
    font-size: 1.1em;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
    position: relative;
    padding: 80px 0;
    text-align: center;
    color: var(--white);
    overflow: hidden;
    background: var(--primary);
}

.cta-banner .container {
    position: relative;
    z-index: 2;
}

.cta-banner h2 {
    color: var(--white);
    margin-bottom: 16px;
}

.cta-banner p {
    font-size: 1.125rem;
    margin-bottom: 32px;
    opacity: 0.95;
}

.cta-banner .btn-row {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.75);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    gap: 40px;
    margin-bottom: 48px;
}

@media (min-width: 768px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer h4 {
    color: var(--white);
    font-family: var(--font-body);
    font-size: 14px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 16px;
    font-weight: 700;
}

.footer p {
    font-size: 14px;
    line-height: 1.7;
}

.footer a {
    color: rgba(255,255,255,0.75);
    font-size: 14px;
    display: block;
    padding: 4px 0;
    transition: color var(--transition);
}

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

.footer .logo-footer {
    height: 48px;
    width: auto;
    margin-bottom: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    font-size: 13px;
    text-align: center;
    color: rgba(255,255,255,0.5);
}

.social-row {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.social-row a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    color: var(--white);
    font-size: 16px;
    padding: 0;
    transition: all var(--transition);
}

.social-row a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 32px; }

/* ---------- Animations ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Desktop nav ---------- */
@media (min-width: 992px) {
    .nav {
        display: flex;
    }
    .hamburger {
        display: none;
    }
}

/* ---------- Tablet+ ---------- */
@media (max-width: 991px) {
    .section {
        padding: 72px 0;
    }
    .hero {
        min-height: 90vh;
    }
}

@media (max-width: 640px) {
    .section {
        padding: 56px 0;
    }
    .section-header {
        margin-bottom: 40px;
    }
    .btn {
        padding: 12px 24px;
        font-size: 13px;
    }
    .footer {
        padding: 48px 0 24px;
    }
}

/* ---------- Hero Slider ---------- */
.hero-slider {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(2,174,179,0.85), rgba(0,0,0,0.65));
    z-index: 1;
}

.hero-content {
    z-index: 2;
}

/* Piccolo badge per la sezione Woodwave */
.badge-eventi {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: 50px;
    margin-bottom: 16px;
}

/* ---------- Pulsante WhatsApp Flottante ---------- */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    background-color: #1ebe57;
    color: #FFF;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

/* Effetto "pulsazione" per attirare l'attenzione */
.whatsapp-float::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #25d366;
    opacity: 0.6;
    z-index: -1;
    animation: whatsapp-pulse 2s infinite;
}

@keyframes whatsapp-pulse {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* Responsive: su mobile lo facciamo un po' più piccolo */
@media (max-width: 768px) {
    .whatsapp-float {
        width: 54px;
        height: 54px;
        font-size: 28px;
        bottom: 20px;
        right: 20px;
    }
}