/* ================================================================
   FiliuTech - Stile condiviso
   Daniel Filiu Mayedo - v4 - 2026
   ================================================================ */

:root {
  --navy: #0B1F3A;
  --navy-dark: #071429;
  --navy-deep: #050D1C;
  --cyber: #00C896;
  --cyber-dark: #00A37A;
  --cyber-light: #2DD4BF;
  --warm: #F97316;            /* arancione B2C */
  --warm-dark: #EA580C;
  --warning: #F59E0B;
  --danger: #EF4444;
  --success: #10B981;
  --dark: #1F2937;
  --gray: #6B7280;
  --gray-light: #9CA3AF;
  --light: #F3F4F6;
  --lighter: #F9FAFB;
  --white: #FFFFFF;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px; line-height: 1.6;
  color: var(--dark); background: var(--white);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

/* === NAVIGATION === */
nav.main-nav {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(11, 31, 58, 0.95);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  z-index: 100; padding: 14px 32px;
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.main-nav.variant-home {
  background: rgba(249, 115, 22, 0.95);
}
.logo { font-weight: 800; font-size: 22px; color: var(--white); letter-spacing: -0.5px; text-decoration: none; }
.logo .tech { color: var(--cyber); }
.main-nav.variant-home .logo .tech { color: var(--navy); }
.logo-sub { font-size: 11px; color: rgba(255,255,255,0.7); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; margin-left: 4px; }

.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a {
  color: rgba(255,255,255,0.85); text-decoration: none;
  font-size: 14px; font-weight: 500; transition: color 0.2s;
}
.nav-links a:hover { color: var(--cyber); }
.main-nav.variant-home .nav-links a:hover { color: var(--navy); }

.nav-switch {
  padding: 6px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 700;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.2s;
}
.nav-switch:hover { background: rgba(255,255,255,0.2); }

.cta-nav {
  background: var(--cyber); color: var(--navy) !important;
  padding: 10px 18px; border-radius: 6px; font-weight: 700 !important;
}
.cta-nav:hover { background: var(--cyber-dark); color: var(--navy) !important; }
.main-nav.variant-home .cta-nav { background: var(--navy); color: var(--white) !important; }
.main-nav.variant-home .cta-nav:hover { background: var(--navy-dark); }

.menu-btn { display: none; background: none; border: none; color: white; font-size: 26px; cursor: pointer; }

/* === BUTTONS === */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 26px; border-radius: 8px;
  font-weight: 600; font-size: 15px; text-decoration: none;
  transition: all 0.2s; cursor: pointer; border: none;
  font-family: inherit;
}
.btn-primary { background: var(--cyber); color: var(--navy); }
.btn-primary:hover { background: var(--cyber-dark); transform: translateY(-2px); box-shadow: 0 10px 25px rgba(0,200,150,0.3); }
.btn-warm { background: var(--warm); color: var(--white); }
.btn-warm:hover { background: var(--warm-dark); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--white); border: 1.5px solid rgba(255,255,255,0.3); }
.btn-ghost:hover { border-color: var(--cyber); color: var(--cyber); }
.btn-ghost-dark { background: transparent; color: var(--navy); border: 1.5px solid var(--navy); }
.btn-ghost-dark:hover { background: var(--navy); color: var(--white); }

/* === HERO === */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white); padding: 130px 32px 90px;
  position: relative; overflow: hidden;
}
.hero.variant-home {
  background: linear-gradient(135deg, var(--warm) 0%, var(--warm-dark) 100%);
}
.hero::before {
  content: ''; position: absolute; top: 0; right: 0; width: 60%; height: 100%;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(0,200,150,0.15) 0, transparent 50%),
    radial-gradient(circle at 60% 80%, rgba(0,200,150,0.08) 0, transparent 50%);
  pointer-events: none;
}
.hero.variant-home::before {
  background-image:
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.15) 0, transparent 50%),
    radial-gradient(circle at 60% 80%, rgba(0,0,0,0.05) 0, transparent 50%);
}
.hero-container {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 60px; align-items: center;
  position: relative; z-index: 2;
}
.hero-container.single { grid-template-columns: 1fr; text-align: center; max-width: 800px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,200,150,0.15); color: var(--cyber);
  padding: 8px 14px; border-radius: 20px;
  font-size: 13px; font-weight: 600; letter-spacing: 0.3px;
  margin-bottom: 20px; border: 1px solid rgba(0,200,150,0.3);
}
.hero.variant-home .hero-tag { background: rgba(255,255,255,0.25); color: var(--navy); border-color: rgba(0,0,0,0.1); }
.hero-tag .dot { width: 8px; height: 8px; background: var(--cyber); border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
.hero.variant-home .hero-tag .dot { background: var(--navy); }
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,200,150,0.7); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(0,200,150,0); }
}
.hero h1 {
  font-size: 52px; line-height: 1.08; font-weight: 800;
  letter-spacing: -1.5px; margin-bottom: 22px;
}
.hero h1 .accent { color: var(--cyber); }
.hero.variant-home h1 .accent { color: var(--navy); }
.hero-sub {
  font-size: 18.5px; line-height: 1.6;
  color: rgba(255,255,255,0.85); margin-bottom: 30px; max-width: 560px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-trust {
  display: flex; align-items: center; gap: 20px;
  font-size: 13px; color: rgba(255,255,255,0.6);
  flex-wrap: wrap;
}

/* === SECTION BASE === */
section { padding: 90px 32px; }
.container { max-width: 1200px; margin: 0 auto; }
.container-narrow { max-width: 800px; margin: 0 auto; }
.section-tag {
  display: inline-block; color: var(--cyber);
  font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px;
}
.section-tag.warm { color: var(--warm); }
.section-title {
  font-size: 40px; font-weight: 800; color: var(--navy);
  letter-spacing: -1px; line-height: 1.15;
  margin-bottom: 14px; max-width: 760px;
}
.section-lead {
  font-size: 17.5px; color: var(--gray);
  max-width: 720px; line-height: 1.6; margin-bottom: 52px;
}

/* === CARDS === */
.card {
  background: var(--white); border: 1.5px solid #E5E7EB;
  border-radius: 12px; padding: 28px 26px;
  transition: all 0.2s;
  display: flex; flex-direction: column;
}
.card:hover {
  border-color: var(--cyber);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}
.card.warm:hover { border-color: var(--warm); }

.card-icon {
  width: 52px; height: 52px;
  background: rgba(0,200,150,0.1); color: var(--cyber);
  border-radius: 10px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; flex-shrink: 0;
}
.card.warm .card-icon { background: rgba(249,115,22,0.1); color: var(--warm); }
.card h3 { font-size: 19px; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.card p { font-size: 14.5px; color: var(--gray); line-height: 1.6; margin-bottom: 14px; flex: 1; }
.card-price {
  font-size: 17px; font-weight: 700; color: var(--cyber);
  padding-top: 14px; border-top: 1px solid #E5E7EB;
}
.card.warm .card-price { color: var(--warm); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

/* === PRICING === */
.pricing-card {
  background: var(--white); border: 1.5px solid #E5E7EB;
  border-radius: 14px; padding: 34px 28px;
  position: relative; display: flex; flex-direction: column;
  transition: all 0.2s;
}
.pricing-card:hover {
  border-color: var(--cyber); transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}
.pricing-card.featured {
  border: 2px solid var(--cyber);
  box-shadow: 0 20px 50px rgba(0,200,150,0.15);
}
.pricing-card.warm-featured {
  border: 2px solid var(--warm);
  box-shadow: 0 20px 50px rgba(249,115,22,0.15);
}
.price-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--cyber); color: var(--navy);
  padding: 5px 14px; border-radius: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
}
.price-badge.warm { background: var(--warm); color: var(--white); }
.price-name { font-size: 14px; color: var(--cyber); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.price-name.warm { color: var(--warm); }
.price-title { font-size: 22px; font-weight: 700; color: var(--navy); margin-bottom: 16px; }
.price-amount {
  font-size: 42px; font-weight: 800; color: var(--navy);
  letter-spacing: -1px; line-height: 1; margin-bottom: 4px;
}
.price-amount .euro { font-size: 28px; vertical-align: top; }
.price-amount small { font-size: 16px; color: var(--gray); font-weight: 500; margin-left: 4px; }
.price-sub { font-size: 13px; color: var(--gray); margin-bottom: 22px; }
.price-features { list-style: none; margin-bottom: 24px; flex: 1; }
.price-features li {
  font-size: 14.5px; color: var(--dark);
  padding: 7px 0 7px 26px; position: relative;
  border-bottom: 1px solid var(--lighter);
}
.price-features li::before {
  content: '✓'; position: absolute; left: 0;
  color: var(--cyber); font-weight: 700;
}
.warm-featured .price-features li::before { color: var(--warm); }
.price-features li.off { color: var(--gray-light); text-decoration: line-through; }
.price-features li.off::before { content: '—'; color: var(--gray-light); }

/* === FAQ === */
.faq-list { max-width: 900px; margin: 30px auto 0; }
.faq-item { border-bottom: 1px solid #E5E7EB; }
.faq-q {
  padding: 22px 0; cursor: pointer;
  display: flex; justify-content: space-between; align-items: flex-start;
  font-size: 17px; font-weight: 600; color: var(--navy);
  user-select: none;
}
.faq-q::after {
  content: '+'; font-size: 24px; color: var(--cyber);
  flex-shrink: 0; margin-left: 20px; transition: transform 0.2s;
}
.faq-item.open .faq-q::after { content: '−'; }
.faq-a {
  display: none; padding: 0 0 22px;
  font-size: 15px; color: var(--gray); line-height: 1.7;
}
.faq-item.open .faq-a { display: block; }

/* === TESTIMONIALS === */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi {
  background: var(--light); padding: 28px; border-radius: 12px;
  border-left: 4px solid var(--cyber);
}
.testi-quote { font-size: 15px; color: var(--dark); line-height: 1.6; margin-bottom: 18px; font-style: italic; }
.testi-author { font-size: 13px; font-weight: 700; color: var(--navy); }
.testi-role { font-size: 12px; color: var(--gray); }

/* === CONTACT CTA === */
.contact {
  background: linear-gradient(135deg, var(--cyber) 0%, var(--cyber-dark) 100%);
  color: var(--navy); text-align: center;
  padding: 80px 32px;
}
.contact.variant-home {
  background: linear-gradient(135deg, var(--warm) 0%, var(--warm-dark) 100%);
  color: var(--white);
}
.contact h2 {
  font-size: 40px; font-weight: 800; letter-spacing: -1px; margin-bottom: 14px;
}
.contact p {
  font-size: 17.5px; margin-bottom: 30px; opacity: 0.85;
  max-width: 640px; margin-left: auto; margin-right: auto;
}
.contact-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.contact-cta .btn-primary { background: var(--navy); color: var(--white); padding: 16px 30px; font-size: 15px; }
.contact-cta .btn-primary:hover { background: var(--navy-dark); }
.contact-cta .btn-wa {
  background: #25D366; color: var(--white); padding: 16px 30px;
  display: inline-flex; align-items: center; gap: 10px; font-size: 15px;
}
.contact-cta .btn-wa:hover { background: #1DA851; }

/* === FOOTER === */
footer {
  background: var(--navy-deep); color: rgba(255,255,255,0.6);
  padding: 60px 32px 30px;
}
.footer-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px; padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-grid h5 {
  color: var(--white); font-size: 13px; margin-bottom: 14px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.footer-grid p, .footer-grid a {
  font-size: 14px; color: rgba(255,255,255,0.6);
  text-decoration: none; display: block;
  margin-bottom: 8px; line-height: 1.6;
}
.footer-grid a:hover { color: var(--cyber); }

.social-icons { display: flex; gap: 10px; margin-top: 12px; }
.social-icons a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.75);
  display: inline-flex !important; align-items: center; justify-content: center;
  font-size: 15px; margin: 0; padding: 0;
  transition: all 0.2s;
}
.social-icons a:hover { background: var(--cyber); color: var(--navy); transform: translateY(-2px); }
.social-icons svg { width: 18px; height: 18px; fill: currentColor; }

.footer-bottom {
  max-width: 1200px; margin: 0 auto; padding-top: 26px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 12.5px;
}

/* === FLOATING WHATSAPP === */
.wa-float {
  position: fixed; bottom: 24px; right: 24px;
  background: #25D366; color: var(--white);
  width: 58px; height: 58px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 25px rgba(0,0,0,0.25);
  text-decoration: none; z-index: 50;
  transition: all 0.2s;
}
.wa-float:hover {
  transform: scale(1.08);
  box-shadow: 0 16px 35px rgba(37, 211, 102, 0.4);
}
.wa-float svg { width: 30px; height: 30px; fill: white; }

/* === COOKIE BANNER === */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--navy); color: var(--white);
  padding: 18px 32px; z-index: 200;
  display: none;
  box-shadow: 0 -10px 30px rgba(0,0,0,0.2);
  border-top: 2px solid var(--cyber);
}
.cookie-banner.visible { display: block; }
.cookie-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; gap: 20px; align-items: center;
  flex-wrap: wrap; justify-content: space-between;
}
.cookie-inner p { font-size: 13.5px; max-width: 720px; line-height: 1.5; }
.cookie-inner p a { color: var(--cyber); text-decoration: underline; }
.cookie-btns { display: flex; gap: 8px; }
.cookie-btns button {
  border: none; padding: 10px 18px; border-radius: 6px;
  cursor: pointer; font-weight: 600; font-size: 13px;
  font-family: inherit;
}
.cookie-accept { background: var(--cyber); color: var(--navy); }
.cookie-reject { background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,0.3); }

/* === BREADCRUMB === */
.breadcrumb {
  padding: 110px 32px 30px; background: var(--light);
  font-size: 13px; color: var(--gray);
}
.breadcrumb-inner { max-width: 1200px; margin: 0 auto; }
.breadcrumb a { color: var(--gray); text-decoration: none; }
.breadcrumb a:hover { color: var(--cyber); }
.breadcrumb .sep { margin: 0 6px; color: var(--gray-light); }

/* === ARTICLE / BLOG POST === */
article.blog-post {
  max-width: 780px; margin: 0 auto;
  padding: 120px 32px 80px;
}
article.blog-post h1 {
  font-size: 40px; font-weight: 800; color: var(--navy);
  letter-spacing: -1px; line-height: 1.15; margin-bottom: 16px;
}
article.blog-post .meta {
  color: var(--gray); font-size: 14px; margin-bottom: 32px;
  padding-bottom: 24px; border-bottom: 1px solid #E5E7EB;
}
article.blog-post h2 {
  font-size: 26px; font-weight: 700; color: var(--navy);
  margin: 40px 0 14px; letter-spacing: -0.3px;
}
article.blog-post h3 {
  font-size: 19px; font-weight: 700; color: var(--navy);
  margin: 28px 0 10px;
}
article.blog-post p { margin-bottom: 16px; font-size: 16.5px; line-height: 1.75; color: var(--dark); }
article.blog-post ul, article.blog-post ol { margin: 0 0 20px 24px; }
article.blog-post li { margin-bottom: 6px; font-size: 16px; line-height: 1.7; }
article.blog-post strong { color: var(--navy); }
article.blog-post blockquote {
  border-left: 4px solid var(--cyber);
  margin: 24px 0; padding: 16px 24px;
  background: var(--light);
  font-style: italic; color: var(--dark);
  border-radius: 0 6px 6px 0;
}
article.blog-post .cta-box {
  background: var(--navy); color: var(--white);
  padding: 28px; border-radius: 12px;
  margin: 40px 0;
}
article.blog-post .cta-box h3 { color: var(--cyber); margin-top: 0; }
article.blog-post .cta-box p { color: rgba(255,255,255,0.8); }
article.blog-post .cta-box a { color: var(--cyber); font-weight: 700; }

/* === SERVICE PAGE === */
.service-hero {
  padding: 150px 32px 70px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: var(--white);
}
.service-hero-inner {
  max-width: 1200px; margin: 0 auto;
}
.service-hero h1 {
  font-size: 46px; font-weight: 800; color: var(--white);
  letter-spacing: -1px; line-height: 1.1; margin: 10px 0 16px;
}
.service-hero .service-cat {
  color: var(--cyber); font-size: 13px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
}
.service-hero .service-lead {
  font-size: 18px; color: rgba(255,255,255,0.85);
  max-width: 720px; line-height: 1.6;
}
.service-body { max-width: 900px; margin: 0 auto; padding: 70px 32px; }
.service-body h2 { font-size: 28px; font-weight: 700; color: var(--navy); margin: 32px 0 14px; }
.service-body h3 { font-size: 18px; font-weight: 700; color: var(--navy); margin: 22px 0 8px; }
.service-body p { margin-bottom: 14px; font-size: 16px; line-height: 1.7; }
.service-body ul { margin: 0 0 20px 24px; }
.service-body li { margin-bottom: 6px; }

/* === RESPONSIVE === */
@media (max-width: 960px) {
  .hero-container { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 38px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--navy); padding: 20px; flex-direction: column; gap: 16px;
    border-top: 1px solid rgba(255,255,255,0.1); }
  .nav-links.open { display: flex; }
  .menu-btn { display: block; }
  .section-title { font-size: 30px; }
  .contact h2 { font-size: 30px; }
  section { padding: 70px 24px; }
  article.blog-post h1 { font-size: 30px; }
  .service-hero h1 { font-size: 34px; }
}
@media (max-width: 560px) {
  .hero { padding: 110px 20px 60px; }
  .hero h1 { font-size: 30px; }
  .footer-grid { grid-template-columns: 1fr; }
  nav.main-nav { padding: 12px 20px; }
}