/* ============================================================
   Sanro IT — Shared components
   nav · footer · buttons · bento cell · CTA section · cards
   ============================================================ */

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 14px 24px;
  border-radius: var(--radius-pill);
  transition:
    background var(--t-base) var(--ease-out),
    color var(--t-base) var(--ease-out),
    transform var(--t-base) var(--ease-spring),
    box-shadow var(--t-base) var(--ease-out);
  cursor: pointer;
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.25);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 10px 28px rgba(79, 70, 229, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink-hair);
}
.btn-ghost:hover {
  border-color: var(--ink);
  background: var(--surface-1);
}

.btn-pill-sm {
  font-size: var(--fs-14);
  padding: 8px 16px;
}

.btn-icon {
  display: inline-flex;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--surface-1);
  border: 1px solid var(--ink-hair);
  transition: all var(--t-base) var(--ease-out);
}
.btn-icon:hover { border-color: var(--ink); transform: translateY(-1px); }

.btn .arrow {
  display: inline-block;
  transition: transform var(--t-base) var(--ease-out);
}
.btn:hover .arrow { transform: translateX(4px); }

/* ============================================================
   NAV (sticky, blur-on-scroll)
   ============================================================ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  background: transparent;
  transition:
    background var(--t-slow) var(--ease-out),
    border-color var(--t-slow) var(--ease-out),
    box-shadow var(--t-slow) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(250, 250, 247, 0.75);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom-color: var(--ink-hair);
  box-shadow: var(--shadow-1);
}

.nav-inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: var(--ls-tight);
}
.nav-brand .logo-dot {
  width: 10px; height: 10px;
  border-radius: var(--radius-pill);
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(79,70,229,0.15);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-links a {
  position: relative;
  font-size: var(--fs-14);
  font-weight: 500;
  color: var(--ink-muted);
  padding-block: 4px;
  transition: color var(--t-base) var(--ease-out);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base) var(--ease-out);
}
.nav-links a:hover,
.nav-links a.is-active { color: var(--ink); }
.nav-links a:hover::after,
.nav-links a.is-active::after { transform: scaleX(1); }

.nav-cta { flex-shrink: 0; }

.nav-toggle { display: none; }

@media (max-width: 880px) {
  .nav-links { display: none; }
  .nav-toggle {
    display: inline-flex;
    width: 44px; height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-pill);
    border: 1px solid var(--ink-hair);
  }
}

/* ============================================================
   BENTO CELL — the signature component
   ============================================================ */

.bento {
  display: grid;
  gap: 1px;
  background: var(--ink-hair);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--ink-hair);
}

.bento-cell {
  position: relative;
  padding: var(--space-6);
  background: var(--surface-1);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  min-height: 220px;
  transition:
    background var(--t-base) var(--ease-out),
    transform var(--t-base) var(--ease-out);
  overflow: hidden;
  cursor: default;
}
.bento-cell.is-link { cursor: pointer; }
.bento-cell:hover { transform: translateY(-2px); }

.bento-cell.bento-lavender { background: var(--lavender); }
.bento-cell.bento-peach    { background: var(--peach); }
.bento-cell.bento-mint     { background: var(--mint); }
.bento-cell.bento-cream    { background: var(--cream); }

.bento-cell.bento-lavender:hover { background: var(--lavender-strong); }
.bento-cell.bento-peach:hover    { background: var(--peach-strong); }
.bento-cell.bento-mint:hover     { background: var(--mint-strong); }
.bento-cell.bento-cream:hover    { background: var(--cream-strong); }

.bento-cell .cell-icon {
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--surface-1);
  border: 1px solid var(--ink-hair);
}

.bento-cell .cell-title {
  font-family: var(--font-display);
  font-size: var(--fs-28);
  font-weight: 700;
  letter-spacing: var(--ls-tight);
  line-height: var(--lh-snug);
}

.bento-cell .cell-body {
  color: var(--ink-muted);
  font-size: var(--fs-16);
  line-height: var(--lh-normal);
  max-width: 42ch;
}

.bento-cell .cell-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-14);
  font-weight: 500;
  color: var(--accent);
}
.bento-cell .cell-link .arrow {
  transition: transform var(--t-base) var(--ease-out);
}
.bento-cell:hover .cell-link .arrow { transform: translateX(4px); }

.bento-cell .cell-corner {
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-4);
  opacity: 0.55;
  pointer-events: none;
}

/* Span helpers (for asymmetric bentos) */
.span-col-2 { grid-column: span 2; }
.span-row-2 { grid-row: span 2; }
.span-col-3 { grid-column: span 3; }

/* Common bento layouts */
.bento-3 { grid-template-columns: repeat(3, 1fr); }
.bento-4 { grid-template-columns: repeat(4, 1fr); }
.bento-services {
  grid-template-columns: 2fr 1fr 1fr;
  grid-auto-rows: 220px;
}
@media (max-width: 880px) {
  .bento-3, .bento-4, .bento-services {
    grid-template-columns: 1fr;
  }
  .span-col-2, .span-col-3, .span-row-2 {
    grid-column: auto; grid-row: auto;
  }
}

/* ============================================================
   CTA SECTION (split with animated gradient blobs)
   ============================================================ */

.cta-section {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--surface-1);
  border: 1px solid var(--ink-hair);
  padding: clamp(48px, 6vw, 96px);
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  align-items: center;
  gap: var(--space-7);
}
@media (max-width: 880px) {
  .cta-section { grid-template-columns: 1fr; }
}

.cta-section::before,
.cta-section::after {
  content: '';
  position: absolute;
  width: 480px; height: 480px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  z-index: 0;
  animation: blob-drift 18s ease-in-out infinite alternate;
}
.cta-section::before {
  background: radial-gradient(circle, var(--lavender-strong), transparent 70%);
  top: -160px; right: -120px;
}
.cta-section::after {
  background: radial-gradient(circle, var(--peach-strong), transparent 70%);
  bottom: -180px; left: -100px;
  animation-delay: -6s;
}

@keyframes blob-drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(40px, -30px) scale(1.1); }
  100% { transform: translate(-30px, 20px) scale(0.95); }
}

.cta-section > * { position: relative; z-index: 1; }

.cta-section .cta-headline {
  font-family: var(--font-display);
  font-size: var(--fs-56);
  font-weight: 700;
  letter-spacing: var(--ls-tighter);
  line-height: var(--lh-tight);
  max-width: 18ch;
}

.cta-section .cta-sub {
  color: var(--ink-muted);
  font-size: var(--fs-20);
  margin-top: var(--space-4);
  max-width: 38ch;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
}
@media (min-width: 600px) {
  .cta-actions { align-items: stretch; }
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  margin-top: var(--space-9);
  background: var(--surface-1);
  border-top: 1px solid var(--ink-hair);
  padding-block: var(--space-8) var(--space-5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: var(--space-7);
}
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: var(--space-4);
}

.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a {
  font-size: var(--fs-15, 15px);
  color: var(--ink-muted);
  transition: color var(--t-base) var(--ease-out);
}
.footer-col a:hover { color: var(--ink); }

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-22);
  margin-bottom: var(--space-4);
}

.footer-meta {
  color: var(--ink-muted);
  font-size: var(--fs-14);
  line-height: var(--lh-relaxed);
}

.footer-meta a:hover { color: var(--ink); }

.newsletter {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-3);
  border: 1px solid var(--ink-hair);
  border-radius: var(--radius-pill);
  background: var(--bg);
  padding: 4px 4px 4px 16px;
  transition: border-color var(--t-base) var(--ease-out);
}
.newsletter:focus-within { border-color: var(--accent); box-shadow: var(--shadow-glow); }
.newsletter input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: var(--fs-14);
  min-width: 0;
}
.newsletter button {
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-14);
  font-weight: 500;
  transition: background var(--t-base) var(--ease-out);
}
.newsletter button:hover { background: var(--accent-hover); }

.socials {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.socials a {
  width: 36px; height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: var(--bg);
  border: 1px solid var(--ink-hair);
  color: var(--ink-muted);
  transition: all var(--t-base) var(--ease-out);
}
.socials a:hover { color: var(--accent); border-color: var(--accent); }

.footer-bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--ink-hair);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-13, 13px);
  color: var(--ink-faint);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-5);
}

.partner-badges {
  display: flex;
  gap: var(--space-3);
  align-items: center;
}
.partner-badge {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--ls-wide);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--bg);
  border: 1px solid var(--ink-hair);
  color: var(--ink-muted);
}

/* ============================================================
   FLOATING UI (WhatsApp button, back-to-top)
   ============================================================ */

.float-whatsapp {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: var(--z-overlay);
  width: 56px; height: 56px;
  border-radius: var(--radius-pill);
  background: #25D366;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  animation: wa-pulse 5s ease-in-out infinite;
  transition: transform var(--t-base) var(--ease-spring);
}
.float-whatsapp:hover { transform: scale(1.08); }

@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35); }
  50%      { box-shadow: 0 8px 32px rgba(37, 211, 102, 0.6), 0 0 0 12px rgba(37, 211, 102, 0.08); }
}

.float-top {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: var(--z-overlay);
  width: 44px; height: 44px;
  border-radius: var(--radius-pill);
  background: var(--surface-1);
  border: 1px solid var(--ink-hair);
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
  box-shadow: var(--shadow-2);
}
.float-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.float-top:hover { background: var(--bg); }