/* ═══════════════════════════════════════════════
   SRDN Computers — Premium Design v3
   Aesthetic: Luxury dark tech / editorial
   Fonts: Clash Display + Cabinet Grotesk
═══════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg:        #03070f;
  --bg2:       #060d1a;
  --surface:   #0a1628;
  --card:      #0d1c30;
  --card2:     #0f2040;
  --blue:      #0066ff;
  --blue2:     #3d8bff;
  --cyan:      #00e5ff;
  --cyan2:     #40efff;
  --violet:    #a855f7;
  --violet2:   #c084fc;
  --gold:      #f5b800;
  --white:     #f0f6ff;
  --white2:    #c8d8f0;
  --muted:     #5a7898;
  --muted2:    #3d5470;
  --border:    rgba(0,102,255,0.12);
  --border2:   rgba(0,229,255,0.15);
  --glow-blue: rgba(0,102,255,0.35);
  --glow-cyan: rgba(0,229,255,0.25);
  --green:     #10d48a;
  --radius:    16px;
  --radius-lg: 24px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ─── NOISE TEXTURE OVERLAY ─── */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4, h5 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
}
h1 { font-size: clamp(3rem, 6.5vw, 5.5rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.02em; }

.grad-text {
  background: linear-gradient(135deg, var(--cyan) 0%, var(--blue2) 50%, var(--violet2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.grad-text-gold {
  background: linear-gradient(135deg, #f5b800, #ff8c00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: 76px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%;
  background: rgba(3,7,15,0.85);
  backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid rgba(0,229,255,0.08);
  transition: all 0.3s;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
}
.nav-logo img {
  height: 52px;
  width: auto;
  display: block;
  filter: drop-shadow(0 0 12px rgba(0,229,255,0.4));
}
.nav-logo-text {
  display: flex; flex-direction: column;
  line-height: 1.1;
}
.nav-logo-name {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--white);
}
.nav-logo-tagline {
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 500;
}
.nav-links { display: flex; gap: 2.2rem; list-style: none; }
.nav-links a {
  color: var(--muted2);
  color: #8aabcc;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0; height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-cta {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue2) 100%);
  color: #fff; border: none; cursor: pointer;
  padding: 11px 24px; border-radius: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600; font-size: 0.875rem;
  transition: all 0.2s;
  text-decoration: none; display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 4px 20px rgba(0,102,255,0.4);
  letter-spacing: 0.02em;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,102,255,0.55);
}

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.hamburger span {
  width: 26px; height: 2px; background: var(--white);
  border-radius: 2px; transition: all 0.3s;
}
.mobile-menu {
  display: none; position: fixed; top: 76px; left: 0; right: 0;
  background: rgba(3,7,15,0.98); border-bottom: 1px solid var(--border2);
  padding: 24px 5%; z-index: 999; flex-direction: column; gap: 16px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: #8aabcc; text-decoration: none; font-size: 1rem;
  font-weight: 500; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mobile-menu a:hover { color: var(--white); }

/* ─── SECTIONS ─── */
section { padding: 110px 5%; position: relative; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.7rem; text-transform: uppercase;
  letter-spacing: 0.18em; color: var(--cyan);
  font-weight: 600; margin-bottom: 18px;
}
.section-tag::before {
  content: '';
  width: 20px; height: 1px;
  background: var(--cyan);
  display: block;
}
.section-sub {
  color: #8aabcc;
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 500px;
  margin-top: 14px;
  font-weight: 400;
}

/* ─── BUTTONS ─── */
.btn-primary {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue2) 100%);
  color: #fff; border: none; cursor: pointer;
  padding: 15px 32px; border-radius: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600; font-size: 0.95rem;
  transition: all 0.25s;
  text-decoration: none; display: inline-flex; align-items: center; gap: 10px;
  box-shadow: 0 4px 24px rgba(0,102,255,0.4);
  letter-spacing: 0.02em;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(0,102,255,0.55);
}
.btn-ghost {
  background: rgba(255,255,255,0.04);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.12);
  cursor: pointer; padding: 15px 32px; border-radius: 12px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500; font-size: 0.95rem;
  transition: all 0.25s;
  text-decoration: none; display: inline-flex; align-items: center; gap: 10px;
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(0,229,255,0.08);
  border-color: rgba(0,229,255,0.35);
  color: var(--cyan);
  transform: translateY(-2px);
}
.btn-sm { padding: 10px 20px; font-size: 0.85rem; border-radius: 9px; }

/* ─── CARDS ─── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative; overflow: hidden;
}
.card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(0,102,255,0.07) 0%, transparent 60%);
  pointer-events: none;
  opacity: 0; transition: opacity 0.35s;
}
.card:hover {
  border-color: rgba(0,229,255,0.22);
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(0,229,255,0.06);
}
.card:hover::before { opacity: 1; }

/* ─── PARTNER STRIP ─── */
.partners {
  background: var(--bg2);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  padding: 24px 5%;
  display: flex; align-items: center; justify-content: center;
  gap: 56px; flex-wrap: wrap;
}
.partners-label {
  font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.18em; color: var(--muted); white-space: nowrap;
  font-weight: 600;
}
.partner-logo {
  filter: brightness(0) invert(0.35);
  height: 24px; object-fit: contain;
  transition: filter 0.25s;
}
.partner-logo:hover { filter: brightness(0) invert(0.9); }

/* ─── PAGE HERO ─── */
.page-hero {
  padding: 150px 5% 90px;
  position: relative; overflow: hidden;
  background: var(--bg);
}
.page-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,102,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,102,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(0,0,0,0.5) 0%, transparent 80%);
}
.page-hero-glow {
  position: absolute; width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,102,255,0.12) 0%, transparent 70%);
  top: -150px; right: -100px; pointer-events: none;
}
.page-hero-content { position: relative; z-index: 1; max-width: 720px; }
.page-hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  margin-bottom: 18px;
}
.page-hero p {
  font-size: 1.1rem; color: #8aabcc;
  line-height: 1.75; max-width: 540px;
}

/* ─── CTA BAND ─── */
.cta-band {
  margin: 0 4% 100px;
  background: linear-gradient(135deg, rgba(0,102,255,0.15) 0%, rgba(168,85,247,0.1) 100%);
  border: 1px solid rgba(0,102,255,0.2);
  border-radius: 28px;
  padding: 72px 64px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 48px; flex-wrap: wrap;
  position: relative; overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(0,229,255,0.07) 0%, transparent 70%);
  pointer-events: none;
}
.cta-band::after {
  content: '';
  position: absolute;
  width: 1px; height: 70%;
  right: 40%; top: 15%;
  background: linear-gradient(to bottom, transparent, rgba(0,229,255,0.2), transparent);
  pointer-events: none;
}
.cta-band h2 { max-width: 480px; }
.cta-band p { color: #8aabcc; margin-top: 12px; font-size: 1rem; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }

/* ─── FOOTER ─── */
footer {
  background: #020509;
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 64px 5% 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 52px;
}
.footer-logo {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px; text-decoration: none;
}
.footer-logo img { height: 46px; width: auto; }
.footer-logo-text .footer-logo-name {
  font-family: 'Outfit', sans-serif;
  font-weight: 800; font-size: 1.1rem;
  color: var(--white); letter-spacing: -0.02em;
}
.footer-logo-text .footer-logo-sub {
  font-size: 0.62rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--cyan);
}
.footer-brand p {
  font-size: 0.85rem; color: var(--muted);
  line-height: 1.85; max-width: 260px; margin-top: 4px;
}
.footer-col h5 {
  font-size: 0.65rem; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted);
  margin-bottom: 18px;
  font-family: 'Outfit', sans-serif; font-weight: 600;
}
.footer-col a {
  display: block; font-size: 0.875rem; color: #5a7898;
  text-decoration: none; margin-bottom: 10px; transition: color 0.2s;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding-top: 24px;
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 0.78rem; color: var(--muted);
}
.footer-bottom a { color: var(--muted); text-decoration: none; }
.footer-bottom a:hover { color: var(--white); }
.footer-badges { display: flex; gap: 10px; align-items: center; }
.footer-badge {
  font-size: 0.7rem; letter-spacing: 0.06em; font-weight: 600;
  padding: 4px 10px; border-radius: 6px;
  border: 1px solid rgba(0,229,255,0.2); color: var(--cyan);
  background: rgba(0,229,255,0.04);
}

/* ─── WHATSAPP ─── */
.whatsapp-btn {
  position: fixed; bottom: 30px; right: 30px; z-index: 999;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25d366;
  box-shadow: 0 4px 24px rgba(37,211,102,0.5);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; transition: all 0.3s;
}
.whatsapp-btn:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 36px rgba(37,211,102,0.65);
}
.whatsapp-btn svg { width: 32px; height: 32px; fill: #fff; }
.wa-tooltip {
  position: absolute; right: 72px;
  background: var(--card); border: 1px solid var(--border2);
  color: var(--white); font-size: 0.8rem;
  padding: 7px 14px; border-radius: 10px;
  white-space: nowrap; opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.whatsapp-btn:hover .wa-tooltip { opacity: 1; }

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
@keyframes rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes waBounce {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.12); }
}

.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-in { opacity: 0; transition: opacity 0.7s ease; }
.fade-in.visible { opacity: 1; }

/* ─── GLOW ORBS ─── */
.glow-orb {
  position: absolute; border-radius: 50%; pointer-events: none;
  filter: blur(80px); opacity: 0.35;
}
.glow-orb.blue  { background: var(--blue);   }
.glow-orb.cyan  { background: var(--cyan);   }
.glow-orb.violet{ background: var(--violet); }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  section { padding: 80px 5%; }
  .cta-band { padding: 44px 32px; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .partners { gap: 28px; }
  .cta-band { text-align: center; margin: 0 4% 60px; }
  .cta-actions { justify-content: center; }
}