/* ================================================
   AICantiere — www.aicantiere.eu
   Design System: Dark Premium + Glassmorphism
   ================================================ */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;600;700;800&display=swap");

/* VARIABLES */
:root {
  --clr-bg:        #080d14;
  --clr-bg2:       #0d1520;
  --clr-bg3:       #111b2a;
  --clr-surface:   rgba(255,255,255,0.04);
  --clr-border:    rgba(255,255,255,0.08);
  --clr-primary:   #f59e0b;
  --clr-primary2:  #fbbf24;
  --clr-accent:    #0ea5e9;
  --clr-accent2:   #38bdf8;
  --clr-green:     #10b981;
  --clr-text:      #e2e8f0;
  --clr-muted:     #8b9ab5;
  --clr-white:     #ffffff;
  --font-main:     "Inter", sans-serif;
  --font-display:  "Outfit", sans-serif;
  --radius-sm:     8px;
  --radius-md:     16px;
  --radius-lg:     24px;
  --radius-xl:     40px;
  --shadow-glow:   0 0 60px rgba(245,158,11,0.15);
  --shadow-card:   0 8px 32px rgba(0,0,0,0.4);
  --transition:    all 0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-main); background: var(--clr-bg); color: var(--clr-text); line-height: 1.6; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-primary); border-radius: 3px; }

/* NAVBAR */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0;
  background: rgba(8,13,20,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  transition: var(--transition);
}
.navbar.scrolled { padding: 12px 0; background: rgba(8,13,20,0.97); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav-logo { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 700; font-size: 1.4rem; color: var(--clr-white); }
.nav-logo img { width: 40px; height: 40px; object-fit: contain; filter: drop-shadow(0 0 8px rgba(245,158,11,0.6)); }
.nav-logo .brand-accent { color: var(--clr-primary); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 0.9rem; font-weight: 500; color: var(--clr-muted); transition: var(--transition); position: relative; }
.nav-links a::after { content: ""; position: absolute; bottom: -4px; left: 0; right: 0; height: 2px; background: var(--clr-primary); border-radius: 2px; transform: scaleX(0); transition: var(--transition); }
.nav-links a:hover { color: var(--clr-white); }
.nav-links a:hover::after { transform: scaleX(1); }
.btn-nav { padding: 10px 24px; background: var(--clr-primary); color: #000; font-weight: 700; font-size: 0.875rem; border-radius: var(--radius-xl); transition: var(--transition); white-space: nowrap; }
.btn-nav:hover { background: var(--clr-primary2); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(245,158,11,0.4); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--clr-text); border-radius: 2px; transition: var(--transition); }

/* HERO */
.hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 80px; }
.hero-bg { position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(245,158,11,0.12) 0%, transparent 70%), radial-gradient(ellipse 60% 60% at 80% 60%, rgba(14,165,233,0.08) 0%, transparent 60%), radial-gradient(ellipse 40% 40% at 20% 80%, rgba(16,185,129,0.06) 0%, transparent 60%); }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px); background-size: 60px 60px; mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%); }
.hero-content { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding: 80px 0; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); border-radius: var(--radius-xl); font-size: 0.8rem; font-weight: 600; color: var(--clr-primary); margin-bottom: 24px; letter-spacing: 0.05em; text-transform: uppercase; }
.hero-badge::before { content: ""; width: 6px; height: 6px; background: var(--clr-primary); border-radius: 50%; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100%{ opacity:1; transform:scale(1); } 50%{ opacity:0.5; transform:scale(1.5); } }
.hero-title { font-family: var(--font-display); font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 800; line-height: 1.1; color: var(--clr-white); margin-bottom: 20px; }
.hero-title .highlight { background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.1rem; color: var(--clr-muted); margin-bottom: 32px; line-height: 1.7; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.btn-primary { display: inline-flex; align-items: center; gap: 8px; padding: 16px 32px; background: linear-gradient(135deg, var(--clr-primary), #d97706); color: #000; font-weight: 700; font-size: 1rem; border-radius: var(--radius-xl); border: none; cursor: pointer; transition: var(--transition); box-shadow: 0 4px 24px rgba(245,158,11,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(245,158,11,0.5); }
.btn-secondary { display: inline-flex; align-items: center; gap: 8px; padding: 16px 32px; background: transparent; color: var(--clr-white); font-weight: 600; font-size: 1rem; border-radius: var(--radius-xl); border: 1px solid var(--clr-border); cursor: pointer; transition: var(--transition); }
.btn-secondary:hover { border-color: var(--clr-primary); color: var(--clr-primary); transform: translateY(-2px); }
.hero-stats { display: flex; gap: 32px; }
.stat { display: flex; flex-direction: column; }
.stat-value { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--clr-white); line-height: 1; }
.stat-value span { color: var(--clr-primary); }
.stat-label { font-size: 0.8rem; color: var(--clr-muted); margin-top: 4px; }
.badge-crane-icon { width: 18px; height: 18px; object-fit: contain; }
.hero-visual { position: relative; }
.mockup-window {
  background: var(--clr-surface);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.6), 0 0 35px rgba(245,158,11,0.12);
  transition: var(--transition);
}
.mockup-window:hover {
  border-color: rgba(245,158,11,0.45);
  box-shadow: 0 25px 60px rgba(0,0,0,0.7), 0 0 45px rgba(245,158,11,0.2);
}
.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid var(--clr-border);
}
.mockup-dots {
  display: flex;
  gap: 7px;
  align-items: center;
}
.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }
.mockup-address {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 3px 12px;
  font-size: 0.75rem;
  color: var(--clr-muted);
  font-family: monospace;
}
.mockup-badge-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--clr-green);
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.3);
  padding: 3px 10px;
  border-radius: var(--radius-xl);
}
.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--clr-green);
  animation: blink 1.5s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }
.mockup-screen {
  position: relative;
  background: #0b111a;
  overflow: hidden;
}
.mockup-screen img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}
.mockup-window:hover .mockup-screen img {
  transform: scale(1.01);
}
.hero-kpi-bar {
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin-top: 16px;
  padding: 12px 18px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
}
.kpi-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.kpi-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--clr-muted);
}
.kpi-val {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-top: 2px;
}
.kpi-ok {
  color: var(--clr-green);
}
.kpi-sep {
  width: 1px;
  height: 26px;
  background: var(--clr-border);
}

/* SECTIONS */
.section { padding: 100px 0; }
.section-alt { background: var(--clr-bg2); }
.section-label { display: inline-flex; align-items: center; gap: 8px; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--clr-primary); margin-bottom: 16px; }
.section-title { font-family: var(--font-display); font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 800; color: var(--clr-white); line-height: 1.2; margin-bottom: 16px; }
.section-subtitle { font-size: 1.05rem; color: var(--clr-muted); max-width: 560px; line-height: 1.7; }
.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* FEATURES */
.features-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 60px; }
.feature-card { background: var(--clr-surface); border: 1px solid var(--clr-border); border-radius: var(--radius-lg); padding: 32px 28px; transition: var(--transition); position: relative; overflow: hidden; }
.feature-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--clr-primary), transparent); opacity: 0; transition: var(--transition); }
.feature-card:hover { border-color: rgba(245,158,11,0.3); transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.4), 0 0 0 1px rgba(245,158,11,0.1); }
.feature-card:hover::before { opacity: 1; }
.feature-icon { width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); font-size: 1.5rem; margin-bottom: 20px; }
.icon-amber { background: rgba(245,158,11,0.15); }
.icon-sky   { background: rgba(14,165,233,0.15); }
.icon-green { background: rgba(16,185,129,0.15); }
.icon-purple{ background: rgba(139,92,246,0.15); }
.icon-rose  { background: rgba(244,63,94,0.15); }
.icon-cyan  { background: rgba(6,182,212,0.15); }
.feature-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--clr-white); margin-bottom: 10px; }
.feature-desc { font-size: 0.9rem; color: var(--clr-muted); line-height: 1.6; }

/* SCREENSHOTS */
.screenshots-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 60px; }
.screenshot-card { background: var(--clr-surface); border: 1px solid var(--clr-border); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); }
.screenshot-card:hover { border-color: rgba(245,158,11,0.3); transform: scale(1.01); }
.screenshot-card img { width: 100%; height: 220px; object-fit: cover; }
.screenshot-info { padding: 20px 24px; }
.screenshot-info h3 { font-size: 1rem; font-weight: 700; color: var(--clr-white); margin-bottom: 6px; }
.screenshot-info p { font-size: 0.85rem; color: var(--clr-muted); }

/* MOBILE */
.mobile-section { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.mobile-visual { position: relative; display: flex; justify-content: center; }
.mobile-phone { width: 260px; position: relative; z-index: 1; }
.mobile-phone img { width: 100%; border-radius: var(--radius-lg); box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 60px rgba(245,158,11,0.15); }
.mobile-glow { position: absolute; width: 300px; height: 300px; background: radial-gradient(circle, rgba(245,158,11,0.2) 0%, transparent 70%); border-radius: 50%; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.mobile-features { display: flex; flex-direction: column; gap: 20px; margin-top: 40px; }
.mobile-feature { display: flex; align-items: flex-start; gap: 16px; }
.mf-icon { width: 44px; height: 44px; min-width: 44px; display: flex; align-items: center; justify-content: center; background: rgba(245,158,11,0.1); border-radius: var(--radius-sm); font-size: 1.2rem; }
.mf-text h4 { font-size: 0.95rem; font-weight: 700; color: var(--clr-white); margin-bottom: 4px; }
.mf-text p { font-size: 0.85rem; color: var(--clr-muted); line-height: 1.5; }

/* COMPARISON */
.comparison-table { width: 100%; border-collapse: separate; border-spacing: 0; margin-top: 60px; background: var(--clr-surface); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--clr-border); }
.comparison-table th { padding: 20px 24px; text-align: left; font-size: 0.85rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; background: var(--clr-bg3); border-bottom: 1px solid var(--clr-border); }
.comparison-table th:first-child { color: var(--clr-muted); }
.comparison-table th:nth-child(2) { color: #ef4444; }
.comparison-table th:nth-child(3) { color: var(--clr-primary); }
.comparison-table td { padding: 16px 24px; font-size: 0.9rem; color: var(--clr-muted); border-bottom: 1px solid rgba(255,255,255,0.04); vertical-align: top; line-height: 1.5; }
.comparison-table td:first-child { font-weight: 600; color: var(--clr-text); }
.comparison-table td:last-child { color: var(--clr-text); }
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:hover td { background: rgba(255,255,255,0.02); }
.badge-bad  { color: #ef4444; }
.badge-good { color: var(--clr-green); font-weight: 600; }

/* CTA */
.cta-section { background: linear-gradient(135deg, rgba(245,158,11,0.12) 0%, rgba(14,165,233,0.08) 100%); border-top: 1px solid var(--clr-border); border-bottom: 1px solid var(--clr-border); }
.cta-inner { text-align: center; max-width: 680px; margin: 0 auto; }
.cta-inner .section-title { margin-bottom: 20px; }
.cta-inner .section-subtitle { margin-bottom: 40px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 28px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.ci-icon { width: 48px; height: 48px; min-width: 48px; display: flex; align-items: center; justify-content: center; background: rgba(245,158,11,0.1); border-radius: var(--radius-sm); font-size: 1.3rem; }
.ci-text h4 { font-size: 0.85rem; font-weight: 700; color: var(--clr-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.ci-text a, .ci-text p { font-size: 1rem; color: var(--clr-white); transition: var(--transition); }
.ci-text a:hover { color: var(--clr-primary); }
.contact-form-card { background: var(--clr-surface); border: 1px solid var(--clr-border); border-radius: var(--radius-lg); padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--clr-muted); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 14px 18px; background: rgba(255,255,255,0.04); border: 1px solid var(--clr-border); border-radius: var(--radius-sm); color: var(--clr-white); font-family: var(--font-main); font-size: 0.95rem; transition: var(--transition); outline: none; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--clr-primary); background: rgba(245,158,11,0.05); box-shadow: 0 0 0 3px rgba(245,158,11,0.1); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select option { background: var(--clr-bg2); }
.btn-submit { width: 100%; padding: 16px; background: linear-gradient(135deg, var(--clr-primary), #d97706); color: #000; font-weight: 700; font-size: 1rem; border: none; border-radius: var(--radius-sm); cursor: pointer; transition: var(--transition); font-family: var(--font-main); }
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.4); }

/* FOOTER */
footer { background: var(--clr-bg2); border-top: 1px solid var(--clr-border); padding: 60px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { font-size: 0.9rem; color: var(--clr-muted); margin-top: 16px; line-height: 1.6; max-width: 280px; }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; color: var(--clr-white); letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 0.9rem; color: var(--clr-muted); transition: var(--transition); }
.footer-col ul a:hover { color: var(--clr-primary); }
.footer-bottom { border-top: 1px solid var(--clr-border); padding-top: 28px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-bottom p { font-size: 0.85rem; color: var(--clr-muted); }
.footer-bottom a { color: var(--clr-primary); }

/* TOAST */
#toast { position: fixed; bottom: 32px; right: 32px; background: var(--clr-green); color: #000; font-weight: 700; padding: 16px 24px; border-radius: var(--radius-md); font-size: 0.95rem; box-shadow: 0 8px 32px rgba(16,185,129,0.4); transform: translateY(100px); opacity: 0; transition: all 0.4s cubic-bezier(0.4,0,0.2,1); z-index: 9999; }
#toast.show { transform: translateY(0); opacity: 1; }

/* ANIMATIONS */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }
.fade-up-delay-5 { transition-delay: 0.5s; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open { display: flex; flex-direction: column; position: fixed; top: 72px; left: 0; right: 0; background: rgba(8,13,20,0.98); backdrop-filter: blur(20px); padding: 24px; gap: 20px; border-bottom: 1px solid var(--clr-border); }
  .nav-links.open a { font-size: 1.1rem; color: var(--clr-text); }
  .btn-nav { display: none; }
  .hero-content { grid-template-columns: 1fr; gap: 40px; padding: 60px 0; }
  .hero-visual { display: none; }
  .hero-stats { gap: 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .screenshots-grid { grid-template-columns: 1fr; }
  .mobile-section { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}