/* =============================================
   Observo — Landing Page Stylesheet
   Dismat Srl
   ============================================= */

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

:root {
  --white:    #FFFFFF;
  --bg-alt:   #F5F7FA;
  --bg-dark:  #1E2A3A;
  --accent:   #E8344E;
  --accent2:  #c42038;
  --text:     #1E2A3A;
  --muted:    #5A6A7A;
  --border:   #E2E8F0;
  --radius:   10px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--text);
  line-height: 1.65;
}

/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 6vw;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo { height: 36px; width: auto; display: block; }

.nav-links { display: flex; gap: 28px; align-items: center; }

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: color .2s;
}
nav a:hover { color: var(--accent); }

.nav-cta {
  padding: 8px 20px;
  background: var(--accent);
  color: #fff !important;
  border-radius: 6px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--accent2); }

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: 120px 6vw 80px;
  background: var(--white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, #E2E8F0 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.6;
}

.hero-content { position: relative; z-index: 2; max-width: 760px; }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(232,52,78,.25);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 32px;
}

.hero-eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: blink 1.8s ease-in-out infinite;
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.2} }

.hero-logo {
  height: 90px; width: auto;
  margin: 0 auto 36px;
  display: block;
}

h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 36px;
}

.hero-cta {
  display: inline-block;
  padding: 14px 36px;
  background: var(--accent);
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 8px;
  transition: background .2s, transform .2s, box-shadow .2s;
  box-shadow: 0 4px 18px rgba(232,52,78,.25);
}

.hero-cta:hover {
  background: var(--accent2);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232,52,78,.3);
}

/* ─── STATS BAR ─── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--bg-dark);
}

.stat {
  padding: 40px 24px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,.08);
}

.stat:last-child { border-right: none; }

.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem; font-weight: 700;
  color: var(--accent);
  line-height: 1; margin-bottom: 6px;
}

.stat-label {
  font-size: 0.76rem; text-transform: uppercase;
  letter-spacing: 0.08em; color: rgba(255,255,255,.5);
}

/* ─── SECTIONS ─── */
.section { padding: 96px 6vw; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-alt { background: var(--bg-alt); }

.section-eyebrow {
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 10px;
}

h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 700; color: var(--text);
  letter-spacing: -0.025em; line-height: 1.2;
  margin-bottom: 14px;
}

.section-lead {
  font-size: 1rem; color: var(--muted);
  max-width: 540px; margin-bottom: 52px;
}

/* ─── FEATURE CARDS ─── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}

.feature-card:hover {
  border-color: var(--accent);
  box-shadow: 0 6px 24px rgba(232,52,78,.08);
  transform: translateY(-3px);
}

.feature-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(232,52,78,.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; margin-bottom: 18px;
}

.feature-card h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem; font-weight: 600;
  color: var(--text); margin-bottom: 8px;
}

.feature-card p { font-size: 0.87rem; color: var(--muted); line-height: 1.7; }

/* ─── DUAL MONITORING ─── */
.dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.monitor-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.monitor-tag {
  display: inline-block;
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent);
  background: rgba(232,52,78,.08);
  border-radius: 4px; padding: 4px 10px;
  margin-bottom: 14px;
}

.monitor-block h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem; font-weight: 700;
  color: var(--text); margin-bottom: 10px;
}

.monitor-block p { font-size: 0.88rem; color: var(--muted); margin-bottom: 18px; line-height: 1.7; }

.monitor-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.monitor-list li {
  font-size: 0.85rem; color: var(--text);
  display: flex; align-items: flex-start; gap: 10px;
}

.monitor-list li::before { content: '▸'; color: var(--accent); flex-shrink: 0; margin-top: 1px; }

/* ─── CONTACT ─── */
.contact-inner { max-width: 660px; margin: 0 auto; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid .full { grid-column: 1 / -1; }

label {
  display: block;
  font-size: 0.76rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 6px;
}

input, select, textarea {
  width: 100%;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 7px;
  padding: 11px 14px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  appearance: none;
}

input::placeholder, textarea::placeholder { color: #B0BEC5; }

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232,52,78,.1);
}

textarea { resize: vertical; min-height: 120px; }

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A6A7A' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
}

.submit-btn {
  width: 100%; padding: 13px;
  background: var(--accent); color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600; font-size: 0.95rem;
  border: none; border-radius: 8px; cursor: pointer;
  transition: background .2s, transform .2s;
  margin-top: 6px;
}

.submit-btn:hover { background: var(--accent2); transform: translateY(-1px); }

.form-note { margin-top: 14px; font-size: 0.74rem; color: var(--muted); text-align: center; }

.success-msg {
  display: none;
  background: rgba(232,52,78,.06);
  border: 1px solid rgba(232,52,78,.3);
  border-radius: 8px;
  padding: 20px 24px; text-align: center;
  color: var(--accent); font-size: 0.95rem; margin-top: 20px;
}

/* ─── FOOTER ─── */
footer {
  background: var(--bg-dark);
  padding: 44px 6vw;
  display: flex; flex-direction: column;
  align-items: center; gap: 20px; text-align: center;
}

.footer-logos { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; justify-content: center; }
.footer-logos img { height: 28px; width: auto; filter: brightness(0) invert(1); opacity: 0.55; }
.footer-logos img[alt="Dismat Srl"] { filter: grayscale(1) brightness(1.8); opacity: 0.55; }
.footer-sep { width: 1px; height: 24px; background: rgba(255,255,255,.15); }

.footer-links { display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.footer-links a { color: rgba(255,255,255,.45); text-decoration: none; font-size: 0.8rem; transition: color .2s; }
.footer-links a:hover { color: var(--accent); }

.footer-copy { font-size: 0.76rem; color: rgba(255,255,255,.28); }

/* ─── RESPONSIVE ─── */
@media (max-width: 780px) {
  .dual { grid-template-columns: 1fr; }
}

/* ─── HAMBURGER ─── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 200;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 640px) {
  .stats-bar { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .full { grid-column: 1; }
  .section { padding: 64px 5vw; }
  .hero { padding: 100px 5vw 60px; }

  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: fixed;
    top: 65px; left: 0; right: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 12px 6vw 20px;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    width: 100%;
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .nav-links a:last-child { border-bottom: none; }
  .nav-cta {
    margin-top: 8px;
    text-align: center;
    border-radius: 8px;
    padding: 12px 0 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}