/* =============================================
   Atraides Technologies — Global Stylesheet
   ============================================= */

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

:root {
  --bg-primary:    #ffffff;
  --bg-secondary:  #eff6ff;
  --bg-card:       #ffffff;
  --accent-blue:   #2563eb;
  --accent-light:  #0ea5e9;
  --gradient:      linear-gradient(135deg, #2563eb, #0ea5e9);
  --gradient-text: linear-gradient(135deg, #1d4ed8, #0284c7);
  --text-primary:  #0f172a;
  --text-secondary:#475569;
  --text-muted:    #94a3b8;
  --border:        rgba(37, 99, 235, 0.14);
  --border-active: rgba(37, 99, 235, 0.45);
  --glow:          0 8px 32px rgba(37, 99, 235, 0.14);
  --radius:        12px;
  --radius-lg:     20px;
  --nav-h:         72px;
  --max-w:         1200px;
  --ease:          0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

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

/* dot-grid backdrop */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.05) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
  z-index: 0;
}

/* ── Type ── */
h1 { font-size: clamp(2.4rem,5vw,4rem); line-height:1.1; font-weight:800; letter-spacing:-0.03em; color:var(--text-primary); }
h2 { font-size: clamp(1.8rem,3.5vw,2.8rem); line-height:1.2; font-weight:700; letter-spacing:-0.02em; color:var(--text-primary); }
h3 { font-size:1.25rem; font-weight:600; color:var(--text-primary); }
h4 { font-size:1rem; font-weight:600; color:var(--text-primary); }
p  { color: var(--text-secondary); }
a  { text-decoration:none; color:inherit; }

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Layout ── */
.container { max-width:var(--max-w); margin:0 auto; padding:0 24px; }
section    { position:relative; z-index:1; padding:100px 0; }

/* ── Buttons ── */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:14px 28px; border-radius:8px;
  font-size:.95rem; font-weight:600; cursor:pointer;
  transition:var(--ease); border:none; white-space:nowrap;
  font-family:inherit;
}
.btn-primary {
  background:var(--gradient); color:#fff;
  box-shadow:0 4px 20px rgba(37,99,235,.3);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(37,99,235,.45); }

.btn-outline {
  background:transparent; color:var(--accent-blue);
  border:1.5px solid rgba(37,99,235,.35);
}
.btn-outline:hover { border-color:var(--accent-blue); background:rgba(37,99,235,.06); transform:translateY(-2px); }

/* ── Badge ── */
.badge {
  display:inline-flex; align-items:center; gap:6px;
  padding:6px 14px;
  background:rgba(37,99,235,.08); border:1px solid rgba(37,99,235,.2);
  border-radius:100px; font-size:.78rem; font-weight:700;
  color:var(--accent-blue); letter-spacing:.06em; text-transform:uppercase;
  margin-bottom:20px;
}

/* ── Section header ── */
.section-header { text-align:center; margin-bottom:64px; }
.section-header .badge { margin-bottom:16px; }
.section-header h2 { margin-bottom:16px; }
.section-header p { max-width:560px; margin:0 auto; font-size:1.05rem; }

/* ════════════════ NAVBAR ════════════════ */
.navbar {
  position:fixed; top:0; left:0; right:0;
  height:var(--nav-h); z-index:100; transition:var(--ease);
}
.navbar.scrolled {
  background:rgba(255,255,255,.95); backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(37,99,235,.1);
  box-shadow:0 1px 20px rgba(37,99,235,.08);
}
.nav-inner {
  display:flex; align-items:center; justify-content:space-between;
  height:100%; max-width:var(--max-w); margin:0 auto; padding:0 24px;
}
.nav-logo {
  display:flex; align-items:center; gap:10px;
  font-weight:800; font-size:1.1rem; letter-spacing:-.02em; color:var(--text-primary);
}
.logo-mark {
  width:36px; height:36px;
  background:var(--gradient); border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  font-size:.9rem; font-weight:900; color:#fff; flex-shrink:0;
}
.nav-links { display:flex; align-items:center; gap:4px; list-style:none; }
.nav-links a {
  display:block; padding:8px 16px; color:var(--text-secondary);
  font-size:.88rem; font-weight:500; border-radius:8px; transition:var(--ease);
}
.nav-links a:hover, .nav-links a.active { color:var(--accent-blue); background:rgba(37,99,235,.06); }
.nav-cta { display:flex; align-items:center; gap:12px; }
.hamburger {
  display:none; flex-direction:column; gap:5px; cursor:pointer;
  padding:8px; border-radius:8px; transition:var(--ease); background:transparent; border:none;
}
.hamburger span { display:block; width:22px; height:2px; background:var(--text-primary); border-radius:2px; transition:var(--ease); }

/* ════════════════ HERO ════════════════ */
.hero {
  min-height:100vh; display:flex; align-items:center;
  padding:calc(var(--nav-h) + 48px) 0 80px;
  position:relative; overflow:hidden;
  background:linear-gradient(160deg, #ffffff 55%, #dbeafe 100%);
}
.hero-glow { position:absolute; border-radius:50%; pointer-events:none; }
.hero-glow-1 {
  width:700px; height:700px; top:-180px; right:-150px;
  background:radial-gradient(circle, rgba(14,165,233,.18) 0%, transparent 65%);
}
.hero-glow-2 {
  width:450px; height:450px; bottom:-80px; left:-80px;
  background:radial-gradient(circle, rgba(37,99,235,.1) 0%, transparent 65%);
}
.hero-content { position:relative; z-index:1; max-width:760px; }
.hero h1 { margin-bottom:24px; }
.hero-sub {
  font-size:1.15rem; line-height:1.8;
  color:var(--text-secondary); margin-bottom:40px; max-width:600px;
}
.hero-actions { display:flex; align-items:center; gap:16px; flex-wrap:wrap; margin-bottom:64px; }
.hero-stats  { display:flex; gap:48px; flex-wrap:wrap; }
.hero-stat   { display:flex; flex-direction:column; }
.hero-stat .val {
  font-size:1.9rem; font-weight:800; line-height:1; margin-bottom:4px;
  background:var(--gradient-text); -webkit-background-clip:text;
  -webkit-text-fill-color:transparent; background-clip:text;
}
.hero-stat .lbl { font-size:.78rem; color:var(--text-muted); font-weight:500; text-transform:uppercase; letter-spacing:.08em; }

/* ════════════════ SERVICES GRID ════════════════ */
.services-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); gap:20px; }
.service-card {
  background:#fff; border:1.5px solid rgba(37,99,235,.12);
  border-radius:var(--radius-lg); padding:32px;
  transition:var(--ease); position:relative; overflow:hidden;
  box-shadow:0 2px 12px rgba(37,99,235,.05);
}
.service-card:hover {
  border-color:rgba(37,99,235,.35);
  transform:translateY(-4px);
  box-shadow:0 12px 36px rgba(37,99,235,.13);
}
.service-icon {
  width:52px; height:52px;
  background:linear-gradient(135deg, rgba(37,99,235,.1), rgba(14,165,233,.1));
  border:1.5px solid rgba(37,99,235,.18);
  border-radius:12px; display:flex; align-items:center; justify-content:center;
  margin-bottom:20px; font-size:1.4rem;
}
.service-card h3 { margin-bottom:10px; font-size:1.05rem; }
.service-card p  { font-size:.88rem; line-height:1.7; color:var(--text-muted); }

/* ════════════════ WHY SECTION ════════════════ */
.why-section { background:var(--bg-secondary); }
.why-grid { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.why-content h2 { margin-bottom:16px; }
.why-content > p { margin-bottom:36px; font-size:1rem; line-height:1.8; }
.why-items  { display:flex; flex-direction:column; gap:20px; }
.why-item   { display:flex; gap:16px; align-items:flex-start; }
.why-icon   {
  width:40px; height:40px; flex-shrink:0;
  background:linear-gradient(135deg, rgba(37,99,235,.1), rgba(14,165,233,.1));
  border:1.5px solid rgba(37,99,235,.2);
  border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:1.1rem;
}
.why-item h4 { margin-bottom:4px; font-size:.92rem; }
.why-item p  { font-size:.84rem; line-height:1.6; color:var(--text-muted); }
.why-visual {
  display:grid; grid-template-columns:1fr 1fr; gap:16px;
  background:#fff; border:1.5px solid rgba(37,99,235,.12);
  border-radius:var(--radius-lg); padding:24px;
  box-shadow:0 4px 24px rgba(37,99,235,.08);
  align-content:start;
}
.stat-box {
  background:#f4f8ff; border:1.5px solid rgba(37,99,235,.1);
  border-radius:var(--radius); padding:28px 16px; text-align:center;
}
.stat-box .num {
  font-size:2.2rem; font-weight:800; line-height:1; margin-bottom:8px;
  background:var(--gradient-text); -webkit-background-clip:text;
  -webkit-text-fill-color:transparent; background-clip:text;
}
.stat-box .dsc { font-size:.8rem; color:var(--text-muted); line-height:1.4; }

/* ════════════════ TECH STRIP ════════════════ */
.tech-strip {
  padding:28px 0; overflow:hidden;
  background:#dbeafe;
  border-top:1px solid rgba(37,99,235,.15); border-bottom:1px solid rgba(37,99,235,.15);
}
.tech-track {
  display:flex; gap:48px; align-items:center;
  width:max-content; animation:marquee 28s linear infinite;
}
.tech-item {
  display:flex; align-items:center; gap:8px;
  color:#3b82f6; font-size:.85rem; font-weight:700;
  white-space:nowrap; letter-spacing:.02em;
}
.tech-item span { font-size:1.1rem; }
@keyframes marquee { from { transform:translateX(0); } to { transform:translateX(-50%); } }

/* ════════════════ CTA SECTION ════════════════ */
.cta-section { text-align:center; }
.cta-box {
  background:var(--gradient);
  border-radius:var(--radius-lg);
  padding:72px 48px; max-width:700px; margin:0 auto;
  position:relative; overflow:hidden;
}
.cta-box::before {
  content:''; position:absolute; top:-60%; left:-30%; width:160%; height:200%;
  background:radial-gradient(ellipse at 50% 0%, rgba(255,255,255,.15), transparent 60%);
  pointer-events:none;
}
.cta-box h2 { color:#fff; margin-bottom:16px; position:relative; }
.cta-box p  { color:rgba(255,255,255,.85); margin-bottom:36px; font-size:1.05rem; position:relative; }
.cta-actions { display:flex; justify-content:center; gap:16px; flex-wrap:wrap; position:relative; }
.cta-box .btn-primary {
  background:#fff; color:var(--accent-blue);
  box-shadow:0 4px 20px rgba(0,0,0,.15);
}
.cta-box .btn-primary:hover { background:#f0f9ff; box-shadow:0 8px 28px rgba(0,0,0,.2); }
.cta-box .btn-outline {
  border-color:rgba(255,255,255,.5); color:#fff;
}
.cta-box .btn-outline:hover { background:rgba(255,255,255,.12); border-color:#fff; }

/* ════════════════ FOOTER ════════════════ */
.footer {
  background:#0c1729;
  border-top:1px solid rgba(255,255,255,.06);
  padding:60px 0 32px; position:relative; z-index:1;
}
.footer-grid { display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:48px; margin-bottom:48px; }
.footer-brand p { font-size:.86rem; line-height:1.7; margin-top:14px; max-width:240px; color:#64748b; }
.footer .nav-logo { color:#f1f5f9; }
.footer-col h5 {
  font-size:.75rem; text-transform:uppercase; letter-spacing:.1em;
  color:#475569; margin-bottom:16px; font-weight:700;
}
.footer-col ul { list-style:none; display:flex; flex-direction:column; gap:10px; }
.footer-col ul li a { font-size:.86rem; color:#64748b; transition:var(--ease); }
.footer-col ul li a:hover { color:#60a5fa; }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,.06); padding-top:24px;
  display:flex; justify-content:space-between; align-items:center; gap:16px; flex-wrap:wrap;
}
.footer-bottom p { font-size:.8rem; color:#475569; }
.social-links { display:flex; gap:8px; }
.social-link {
  width:36px; height:36px; border-radius:8px;
  border:1px solid rgba(255,255,255,.1); display:flex; align-items:center; justify-content:center;
  color:#64748b; font-size:.9rem; transition:var(--ease);
}
.social-link:hover { border-color:#60a5fa; color:#60a5fa; background:rgba(96,165,250,.08); }

/* ════════════════ PAGE HEADER ════════════════ */
.page-header {
  padding:calc(var(--nav-h) + 80px) 0 80px; text-align:center; position:relative;
  background:linear-gradient(160deg, #ffffff 40%, #dbeafe 100%);
}
.page-header h1 { margin-bottom:16px; }
.page-header p { font-size:1.1rem; max-width:580px; margin:0 auto; }

/* ════════════════ SERVICES DETAIL PAGE ════════════════ */
.services-full { display:flex; flex-direction:column; gap:80px; }
.service-row { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.service-row.flip { direction:rtl; }
.service-row.flip > * { direction:ltr; }
.service-detail-icon {
  width:64px; height:64px;
  background:linear-gradient(135deg, rgba(37,99,235,.1), rgba(14,165,233,.1));
  border:1.5px solid rgba(37,99,235,.25);
  border-radius:16px; display:flex; align-items:center; justify-content:center;
  font-size:1.8rem; margin-bottom:24px;
}
.service-detail h3 { font-size:1.5rem; margin-bottom:16px; }
.service-detail > p { font-size:.95rem; line-height:1.8; margin-bottom:24px; }
.feat-list { display:flex; flex-direction:column; gap:12px; }
.feat-item {
  display:flex; align-items:center; gap:10px;
  font-size:.88rem; color:var(--text-secondary);
}
.feat-item::before {
  content:''; width:7px; height:7px; border-radius:50%;
  background:var(--gradient); flex-shrink:0;
}
.service-visual {
  border:1.5px solid rgba(37,99,235,.15);
  border-radius:var(--radius-lg);
  overflow:hidden; position:relative;
  aspect-ratio:4/3; min-height:280px;
  box-shadow:0 4px 24px rgba(37,99,235,.08);
}
.service-visual img {
  width:100%; height:100%; object-fit:cover; display:block;
  transition:transform .6s ease;
}
.service-visual:hover img { transform:scale(1.04); }

/* ════════════════ CONTACT PAGE ════════════════ */
.contact-grid { display:grid; grid-template-columns:1fr 1.6fr; gap:64px; align-items:start; }
.contact-info h3 { font-size:1.4rem; margin-bottom:12px; }
.contact-info > p { font-size:.95rem; line-height:1.8; margin-bottom:36px; }
.contact-details { display:flex; flex-direction:column; gap:20px; margin-bottom:36px; }
.contact-detail { display:flex; gap:14px; align-items:flex-start; }
.cd-icon {
  width:42px; height:42px; flex-shrink:0;
  background:linear-gradient(135deg, rgba(37,99,235,.1), rgba(14,165,233,.1));
  border:1.5px solid rgba(37,99,235,.2);
  border-radius:10px; display:flex; align-items:center; justify-content:center; font-size:1rem;
}
.cd-text .lbl { font-size:.73rem; text-transform:uppercase; letter-spacing:.08em; color:var(--text-muted); font-weight:700; margin-bottom:3px; }
.cd-text .val { font-size:.9rem; color:var(--text-primary); font-weight:500; }

.contact-form {
  background:#fff; border:1.5px solid rgba(37,99,235,.12);
  border-radius:var(--radius-lg); padding:40px;
  box-shadow:0 4px 24px rgba(37,99,235,.08);
}
.contact-form h3 { margin-bottom:28px; font-size:1.2rem; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { margin-bottom:20px; }
.form-group label {
  display:block; font-size:.78rem; font-weight:700; color:var(--text-secondary);
  margin-bottom:8px; text-transform:uppercase; letter-spacing:.05em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width:100%; background:#f8faff; border:1.5px solid rgba(37,99,235,.14);
  border-radius:8px; padding:12px 16px; color:var(--text-primary);
  font-size:.9rem; font-family:inherit; transition:var(--ease); outline:none;
}
.form-group select option { background:#fff; color:var(--text-primary); }
.form-group input::placeholder,
.form-group textarea::placeholder { color:var(--text-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color:var(--accent-blue);
  box-shadow:0 0 0 3px rgba(37,99,235,.1);
  background:#fff;
}
.form-group textarea { resize:vertical; min-height:120px; }

/* ── Field validation states ── */
.form-group input.field-invalid,
.form-group select.field-invalid,
.form-group textarea.field-invalid {
  border-color:#ef4444;
  box-shadow:0 0 0 3px rgba(239,68,68,.1);
  background:#fff8f8;
}
.form-group input.field-invalid:focus,
.form-group select.field-invalid:focus,
.form-group textarea.field-invalid:focus {
  border-color:#ef4444;
  box-shadow:0 0 0 3px rgba(239,68,68,.15);
}
.field-error {
  display:block; font-size:.75rem; font-weight:600;
  color:#ef4444; margin-top:6px; min-height:1em;
  letter-spacing:.01em;
}

.btn-full { width:100%; justify-content:center; font-size:1rem; }
.form-success {
  display:none; text-align:center; padding:20px;
  background:rgba(5,150,105,.06); border:1.5px solid rgba(5,150,105,.25);
  border-radius:var(--radius); color:#059669; font-weight:600; margin-top:16px;
}
.form-error {
  display:none; text-align:center; padding:20px;
  background:rgba(239,68,68,.05); border:1.5px solid rgba(239,68,68,.25);
  border-radius:var(--radius); color:#ef4444; font-weight:600; margin-top:16px;
}

/* ════════════════ ANIMATIONS ════════════════ */
.fade-up { opacity:0; transform:translateY(28px); transition:opacity .65s ease, transform .65s ease; }
.fade-up.visible { opacity:1; transform:translateY(0); }
.fade-up:nth-child(2) { transition-delay:.1s; }
.fade-up:nth-child(3) { transition-delay:.2s; }
.fade-up:nth-child(4) { transition-delay:.3s; }
.fade-up:nth-child(5) { transition-delay:.4s; }
.fade-up:nth-child(6) { transition-delay:.5s; }

/* ════════════════ RESPONSIVE ════════════════ */

/* ── Tablet (≤1024px) ── */
@media (max-width:1024px) {
  .why-grid    { grid-template-columns:1fr; }
  .why-visual  { max-width:500px; margin:0 auto; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:36px; }
  .service-row { grid-template-columns:1fr; gap:32px; }
  .service-row.flip { direction:ltr; }
  .contact-grid { grid-template-columns:1fr; }
  .services-full { gap:56px; }
  .page-header { padding:calc(var(--nav-h) + 56px) 0 60px; }
}

/* ── Mobile (≤768px) ── */
@media (max-width:768px) {
  section { padding:64px 0; }
  .hero { padding:calc(var(--nav-h) + 24px) 0 52px; }
  .page-header { padding:calc(var(--nav-h) + 40px) 0 48px; }

  /* Nav */
  .nav-links, .nav-cta { display:none; }
  .hamburger { display:flex; }
  .navbar.open .nav-links {
    display:flex; flex-direction:column;
    position:absolute; top:var(--nav-h); left:0; right:0;
    background:rgba(255,255,255,.98); backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(37,99,235,.1);
    box-shadow:0 8px 24px rgba(37,99,235,.08);
    padding:16px 24px 24px; gap:4px;
  }
  .navbar.open .nav-links a { padding:12px 16px; font-size:1rem; }

  /* Hero */
  .hero-stats { gap:28px; flex-wrap:wrap; }

  /* Sections */
  .section-header { margin-bottom:44px; }
  .services-grid  { grid-template-columns:1fr; }
  .services-full  { gap:44px; }

  /* Why */
  .why-visual { max-width:100%; padding:16px; }
  .why-visual .stat-box { padding:20px 12px; }

  /* CTA */
  .cta-box { padding:48px 24px; }

  /* Contact */
  .form-row { grid-template-columns:1fr; }

  /* Footer */
  .footer-grid { grid-template-columns:1fr 1fr; gap:28px; }
  .footer-bottom { flex-direction:column; align-items:flex-start; gap:12px; }
}

/* ── Small mobile (≤480px) ── */
@media (max-width:480px) {
  section { padding:52px 0; }
  .container { padding:0 18px; }

  /* Typography */
  h1 { font-size:1.9rem; }
  h2 { font-size:1.55rem; }
  .page-header { padding:calc(var(--nav-h) + 28px) 0 40px; }

  /* Nav logo — shorten on tiny screens */
  .nav-logo span { font-size:.85rem; letter-spacing:-.03em; }

  /* Hero */
  .hero { padding:calc(var(--nav-h) + 16px) 0 44px; }
  .hero-sub { font-size:1rem; }
  .hero-actions { flex-direction:column; align-items:stretch; }
  .hero-actions .btn { justify-content:center; }
  .hero-stats { flex-direction:column; gap:16px; }
  .hero-stat .val { font-size:1.65rem; }

  /* Services */
  .services-full { gap:36px; }
  .service-detail h3 { font-size:1.25rem; }
  .service-visual { min-height:210px; }

  /* Why */
  .why-visual { grid-template-columns:1fr 1fr; }

  /* CTA */
  .cta-box { padding:40px 20px; }
  .cta-actions { flex-direction:column; align-items:stretch; }
  .cta-actions .btn { justify-content:center; }

  /* Contact */
  .contact-form { padding:24px 18px; }

  /* Footer */
  .footer-grid { grid-template-columns:1fr; gap:24px; }
}

/* ── Very small (≤360px) ── */
@media (max-width:360px) {
  .nav-logo span { display:none; }
  .container { padding:0 14px; }
  h1 { font-size:1.65rem; }
  .hero-stat .val { font-size:1.4rem; }
  .why-visual { grid-template-columns:1fr; }
}