/* ─────────────────────────────────────────
   ALTOVEND — Shared Stylesheet
   ───────────────────────────────────────── */

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

:root {
  --bg:       #021A1A;
  --bg2:      #032424;
  --bg3:      #043030;
  --accent:   #00E5CC;
  --accent2:  #00A896;
  --text:     #E8F8F7;
  --sub:      #7AB8B4;
  --border:   rgba(0,229,204,0.1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,229,204,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,204,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 6%; height: 72px;
  background: rgba(2,26,26,0.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo svg { width: 38px; height: 38px; }
.logo-text { font-size: 1.35rem; font-weight: 800; letter-spacing: 0.08em; color: var(--text); }
.logo-text span { color: var(--accent); }

nav ul { display: flex; gap: 1.75rem; list-style: none; align-items: center; }
nav ul a { color: var(--sub); text-decoration: none; font-size: 0.88rem; font-weight: 500; transition: color 0.2s; }
nav ul a:hover { color: var(--text); }
nav ul a.active { color: var(--text); }

.nav-cta {
  background: var(--accent); color: #05090F !important;
  padding: 0.45rem 1.2rem; border-radius: 6px;
  font-weight: 700 !important;
}
.nav-cta:hover { opacity: 0.85; }

.nav-toggle {
  display: none; background: none; border: none;
  cursor: pointer; color: var(--text); padding: 0.4rem;
}

/* ── PAGE HEADER ── */
.page-header {
  padding: 140px 6% 80px;
  background: var(--bg2);
  position: relative; overflow: hidden;
}

.page-header::after {
  content: '';
  position: absolute; top: -200px; right: -100px;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,229,204,0.08), transparent 70%);
  pointer-events: none;
}

.page-header-inner { max-width: 1100px; margin: 0 auto; position: relative; z-index: 1; }

.breadcrumb {
  font-size: 0.75rem; color: var(--sub);
  margin-bottom: 1.2rem; display: flex; gap: 0.5rem; align-items: center;
}
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.page-header h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800; line-height: 1.2; margin-bottom: 1rem;
}

.page-header h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header p { font-size: 1.05rem; color: var(--sub); max-width: 620px; }

/* ── SECTION COMMONS ── */
section { padding: 90px 6%; }
.section-inner { max-width: 1100px; margin: 0 auto; }

.section-tag {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.75rem;
}

h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 800; line-height: 1.2; margin-bottom: 1rem; }

.section-sub { font-size: 1rem; color: var(--sub); max-width: 560px; margin-bottom: 3rem; }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #021A1A; padding: 0.85rem 2rem;
  border-radius: 8px; text-decoration: none;
  font-weight: 700; font-size: 0.95rem;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px rgba(0,194,255,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,194,255,0.45); }

.btn-secondary {
  display: inline-block;
  background: transparent; color: var(--text);
  padding: 0.85rem 2rem; border-radius: 8px;
  text-decoration: none; font-weight: 600; font-size: 0.95rem;
  border: 1px solid var(--border); transition: border-color 0.2s, background 0.2s;
}
.btn-secondary:hover { border-color: rgba(255,255,255,0.25); background: rgba(255,255,255,0.05); }

/* ── FORM ELEMENTS ── */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group.full { grid-column: 1 / -1; }

label { font-size: 0.78rem; font-weight: 600; color: var(--sub); letter-spacing: 0.04em; }

input, select, textarea {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.75rem 1rem;
  color: var(--text); font-family: inherit; font-size: 0.9rem;
  transition: border-color 0.2s; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; min-height: 120px; }
select option { background: var(--bg2); }

.form-submit {
  margin-top: 1.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #021A1A; border: none; cursor: pointer;
  width: 100%; padding: 1rem; border-radius: 8px;
  font-family: inherit; font-weight: 700; font-size: 1rem;
  transition: opacity 0.2s, transform 0.2s;
}
.form-submit:hover { opacity: 0.9; transform: translateY(-1px); }

/* ── FOOTER ── */
footer { background: var(--bg); border-top: 1px solid var(--border); padding: 3.5rem 6% 2rem; }

.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 2rem; flex-wrap: wrap;
}

.footer-brand p { color: var(--sub); font-size: 0.85rem; max-width: 280px; margin-top: 0.75rem; }

.footer-links h4 {
  font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--sub); margin-bottom: 1rem;
}
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.footer-links a { color: var(--sub); text-decoration: none; font-size: 0.875rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--text); }

.footer-contact-item { display: flex; gap: 0.5rem; align-items: flex-start; margin-bottom: 0.5rem; font-size: 0.85rem; color: var(--sub); }
.footer-contact-item strong { color: var(--text); min-width: 60px; }

.footer-bottom {
  max-width: 1100px; margin: 2rem auto 0;
  padding-top: 1.5rem; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between;
  font-size: 0.78rem; color: var(--sub); flex-wrap: wrap; gap: 0.5rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav ul { gap: 1.25rem; }
  nav ul a { font-size: 0.82rem; }
}

@media (max-width: 768px) {
  nav ul { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; }
  nav ul.open {
    display: flex; flex-direction: column;
    position: fixed; top: 72px; left: 0; right: 0;
    background: rgba(2,26,26,0.98);
    padding: 1.5rem 6%; gap: 1.2rem;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(14px); z-index: 99;
  }
  section { padding: 60px 6%; }
  .page-header { padding: 120px 6% 60px; }
}