/* ===========================================================
   RAI Cloud — Business Portfolio Site
   Shared stylesheet
   =========================================================== */

:root{
  --bg:            #0a1412;
  --bg-soft:       #0e1c19;
  --surface:       #12211e;
  --surface-2:     #16281f;
  --border:        rgba(255,255,255,0.08);
  --border-soft:   rgba(255,255,255,0.05);
  --text:          #eaf5f1;
  --text-dim:      #a9c2bb;
  --text-faint:    #7c948d;
  --accent:        #17c9a0;
  --accent-2:      #3fe0b6;
  --accent-dark:   #0d5c50;
  --danger:        #ef6a6a;
  --radius-lg:     28px;
  --radius-md:     18px;
  --radius-sm:     12px;
  --shadow:        0 20px 60px -20px rgba(0,0,0,0.6);
  --shadow-soft:   0 10px 30px -12px rgba(0,0,0,0.5);
  --container:     1160px;
}

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

html{ scroll-behavior: smooth; }

body{
  margin:0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(23,201,160,0.14), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(23,201,160,0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a{ color: inherit; text-decoration: none; }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section{ padding: 88px 0; }

h1,h2,h3,h4{ line-height:1.2; margin:0 0 16px; font-weight:700; letter-spacing:-0.01em; }
h1{ font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2{ font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
h3{ font-size: 1.25rem; }
p{ margin:0 0 16px; color: var(--text-dim); }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(23,201,160,0.1);
  border: 1px solid rgba(23,201,160,0.25);
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section-head{
  max-width: 680px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head p{ margin:0; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn-primary{
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #06120f;
  box-shadow: 0 12px 30px -10px rgba(23,201,160,0.55);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 16px 34px -8px rgba(23,201,160,0.65); }
.btn-ghost{
  background: rgba(255,255,255,0.03);
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover{ background: rgba(255,255,255,0.07); transform: translateY(-2px); }
.btn-sm{ padding: 10px 20px; font-size: 0.85rem; }

/* ---------- Header ---------- */
.site-header{
  position: sticky;
  top: 14px;
  z-index: 100;
  padding: 0 16px;
}
.nav-wrap{
  max-width: var(--container);
  margin: 0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  padding: 10px 12px 10px 18px;
  border-radius: var(--radius-lg);
  background: rgba(14,28,25,0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand img{ width: 36px; height: 36px; border-radius: 10px; }
.brand span{ color: var(--accent-2); }

.nav-links{
  display:flex;
  align-items:center;
  gap: 4px;
  list-style:none;
  margin:0; padding:0;
}
.nav-links a{
  display:block;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: background .15s ease, color .15s ease;
}
.nav-links a:hover{ color: var(--text); background: rgba(255,255,255,0.06); }
.nav-links a.active{ color: #06120f; background: var(--accent-2); font-weight:700; }

.nav-actions{ display:flex; align-items:center; gap:10px; }

.nav-toggle{
  display:none;
  width: 42px; height: 42px;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  align-items:center; justify-content:center;
  cursor:pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:''; display:block; width:18px; height:2px; background: var(--text);
  position:relative; transition: all .2s ease;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }

@media (max-width: 860px){
  .nav-links{
    position:absolute;
    top: calc(100% + 10px);
    left:0; right:0;
    flex-direction:column;
    align-items:stretch;
    background: rgba(14,28,25,0.96);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 10px;
    display:none;
    box-shadow: var(--shadow);
  }
  .nav-links.open{ display:flex; }
  .nav-links a{ padding: 13px 16px; }
  .nav-toggle{ display:flex; }
  .nav-actions .btn-ghost{ display:none; }
}

/* ---------- Hero ---------- */
.hero{
  padding: 90px 0 60px;
  text-align:center;
}
.hero p.lead{
  max-width: 640px;
  margin: 0 auto 34px;
  font-size: 1.1rem;
}
.hero-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-bottom: 46px; }

.trust-row{
  display:flex;
  flex-wrap:wrap;
  gap: 12px;
  justify-content:center;
}
.trust-pill{
  display:flex; align-items:center; gap:8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-dim);
}
.trust-pill .dot{ width:8px; height:8px; border-radius:50%; background: var(--accent-2); box-shadow: 0 0 12px var(--accent-2); }

/* ---------- Cards / Grid ---------- */
.grid{ display:grid; gap: 24px; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
@media (max-width: 920px){
  .grid-3, .grid-4{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px){
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; }
}

.card{
  background: linear-gradient(160deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  box-shadow: var(--shadow-soft);
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover{ transform: translateY(-4px); border-color: rgba(23,201,160,0.35); }
.card .icon{
  width: 52px; height:52px;
  border-radius: 16px;
  display:flex; align-items:center; justify-content:center;
  background: linear-gradient(135deg, rgba(23,201,160,0.25), rgba(23,201,160,0.05));
  border: 1px solid rgba(23,201,160,0.3);
  font-size: 1.4rem;
  margin-bottom: 18px;
}
.card h3{ margin-bottom: 10px; }
.card p{ margin:0; font-size: 0.95rem; }

/* ---------- Stats ---------- */
.stats{
  display:grid;
  grid-template-columns: repeat(4,1fr);
  gap: 20px;
}
@media (max-width:760px){ .stats{ grid-template-columns: repeat(2,1fr); } }
.stat{
  text-align:center;
  padding: 28px 16px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--border-soft);
}
.stat .num{ font-size: 2rem; font-weight:800; color: var(--accent-2); }
.stat .label{ font-size: 0.85rem; color: var(--text-faint); }

/* ---------- CTA banner ---------- */
.cta-banner{
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align:center;
  background:
    radial-gradient(600px 260px at 20% 0%, rgba(23,201,160,0.25), transparent 60%),
    linear-gradient(160deg, var(--surface-2), var(--bg-soft));
  border: 1px solid rgba(23,201,160,0.25);
  box-shadow: var(--shadow);
}
.cta-banner h2{ margin-bottom: 10px; }
.cta-banner .btn-row{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-top: 26px; }

/* ---------- Page header (inner pages) ---------- */
.page-hero{
  padding: 70px 0 40px;
  text-align:center;
}
.page-hero p{ max-width: 620px; margin: 0 auto; }

/* ---------- Legal content ---------- */
.legal{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 46px;
}
@media (max-width: 640px){ .legal{ padding: 28px 20px; } }
.legal h2{ font-size: 1.3rem; margin-top: 38px; padding-top: 18px; border-top: 1px solid var(--border-soft); }
.legal h2:first-child{ margin-top:0; padding-top:0; border-top:none; }
.legal ul{ color: var(--text-dim); padding-left: 20px; }
.legal li{ margin-bottom: 8px; }
.legal .updated{
  display:inline-block;
  font-size: 0.82rem;
  color: var(--text-faint);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-soft);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 30px;
}
.legal strong{ color: var(--text); }

/* ---------- Contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items:start;
}
@media (max-width: 860px){ .contact-grid{ grid-template-columns: 1fr; } }

.info-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:16px; }
.info-list li{
  display:flex; gap:14px; align-items:flex-start;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
}
.info-list .icon{
  flex-shrink:0;
  width: 42px; height:42px;
  border-radius: 12px;
  display:flex; align-items:center; justify-content:center;
  background: rgba(23,201,160,0.12);
  border: 1px solid rgba(23,201,160,0.3);
}
.info-list h4{ margin:0 0 4px; font-size: 0.95rem; }
.info-list p{ margin:0; font-size: 0.9rem; }

form.contact-form{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  display:flex; flex-direction:column; gap:16px;
}
.field label{ display:block; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 6px; }
.field input, .field textarea, .field select{
  width:100%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  outline:none;
  transition: border-color .15s ease;
}
.field input:focus, .field textarea:focus, .field select:focus{ border-color: var(--accent); }
.field textarea{ resize: vertical; min-height: 120px; }
.form-note{ font-size: 0.8rem; color: var(--text-faint); }

.map-embed{
  border-radius: var(--radius-md);
  overflow:hidden;
  border: 1px solid var(--border);
  margin-top: 20px;
}
.map-embed iframe{ width:100%; height: 280px; border:0; display:block; filter: grayscale(0.3) invert(0.92) contrast(0.9); }

/* ---------- Footer ---------- */
.site-footer{
  margin-top: 40px;
  padding: 64px 0 28px;
  background: var(--bg-soft);
  border-top: 1px solid var(--border-soft);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  margin-bottom: 44px;
}
@media (max-width: 860px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px){
  .footer-grid{ grid-template-columns: 1fr; }
}
.footer-brand .brand{ margin-bottom: 14px; }
.footer-brand p{ font-size: 0.9rem; max-width: 320px; }
.footer-col h4{ font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); margin-bottom: 16px; }
.footer-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px; }
.footer-col a{ font-size: 0.92rem; color: var(--text-dim); }
.footer-col a:hover{ color: var(--accent-2); }
.footer-col address{ font-style:normal; font-size: 0.9rem; color: var(--text-dim); line-height:1.7; }

.social-row{ display:flex; gap:10px; margin-top: 18px; }
.social-row a{
  width: 38px; height:38px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  font-size: 0.95rem;
}
.social-row a:hover{ background: var(--accent); color:#06120f; border-color: transparent; }

.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap: 12px;
  padding-top: 26px;
  border-top: 1px solid var(--border-soft);
  font-size: 0.82rem;
  color: var(--text-faint);
}
.footer-bottom .legal-links{ display:flex; gap:18px; flex-wrap:wrap; }
.footer-bottom a:hover{ color: var(--accent-2); }

/* ---------- Misc ---------- */
.reveal{ opacity:0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }

.badge-strip{
  display:flex; flex-wrap:wrap; gap:10px; justify-content:center; margin-top: 22px;
}

.align-center-grid{ align-items:center; gap:48px; }

/* ===========================================================
   Mobile fine-tuning — full responsiveness down to ~320px
   =========================================================== */
@media (max-width: 600px){
  .container{ padding: 0 18px; }
  section{ padding: 56px 0; }
  .hero{ padding: 64px 0 40px; }
  .page-hero{ padding: 52px 0 30px; }
  h1{ font-size: clamp(1.9rem, 8vw, 2.6rem); }
  h2{ font-size: clamp(1.5rem, 6vw, 1.9rem); }
  .hero p.lead{ font-size: 1rem; }

  .site-header{ top: 10px; padding: 0 10px; }
  .nav-wrap{ padding: 8px 8px 8px 14px; border-radius: var(--radius-md); }
  .brand{ font-size: 0.95rem; }
  .brand img{ width: 30px; height: 30px; }

  .align-center-grid{ gap: 26px; }

  .card{ padding: 22px 20px; }
  .cta-banner{ padding: 34px 20px; border-radius: var(--radius-md); }
  .legal{ padding: 22px 16px; border-radius: var(--radius-md); }
  .legal h2{ font-size: 1.12rem; }

  .stats{ grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat{ padding: 18px 10px; }
  .stat .num{ font-size: 1.5rem; }

  form.contact-form{ padding: 22px; border-radius: var(--radius-md); }
  .info-list li{ padding: 14px; }

  .hero-actions .btn,
  .cta-banner .btn-row .btn{ flex: 1 1 auto; width: 100%; }
  .btn{ white-space: normal; text-align:center; }

  .footer-bottom{ flex-direction: column; align-items: flex-start; }
  .site-footer{ padding: 48px 0 24px; }
  .map-embed iframe{ height: 220px; }
}

@media (max-width: 360px){
  .stats{ grid-template-columns: 1fr; }
  .trust-pill{ font-size: 0.8rem; padding: 8px 14px; }
}