/* ============================================================
   Yolotech88 — Custom styles
   Layered on top of Tailwind (Play CDN). These are reusable
   component classes + a few effects Tailwind utilities don't
   cover cleanly inline.
   ============================================================ */

:root {
  --brand-700: #1d4ed8;
  --brand-600: #2563eb;
}

/* Smooth-scroll offset so anchored sections clear the fixed header */
section[id] {
  scroll-margin-top: 5.5rem;
}

/* Respect users who prefer less motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- Header states (toggled from JS) ---------- */
#site-header {
  background: transparent;
}
#site-header.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06), 0 10px 30px -18px rgba(15, 23, 42, 0.25);
}

/* ---------- Nav links ---------- */
.nav-link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 600;
  color: #334155;
  transition: color 0.2s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  height: 2px;
  width: 0;
  background: var(--brand-700);
  border-radius: 2px;
  transition: width 0.25s ease;
}
.nav-link:hover { color: var(--brand-700); }
.nav-link:hover::after,
.nav-link.is-active::after { width: 100%; }
.nav-link.is-active { color: var(--brand-700); }

.mobile-link {
  display: block;
  border-radius: 0.6rem;
  padding: 0.7rem 0.75rem;
  font-weight: 600;
  color: #1e293b;
  transition: background 0.15s ease, color 0.15s ease;
}
.mobile-link:hover { background: #eff6ff; color: var(--brand-700); }

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 0.75rem;
  background: var(--brand-700);
  padding: 0.75rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 12px 24px -12px rgba(29, 78, 216, 0.6);
  transition: transform 0.15s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary:hover {
  background: #1b44c4;
  transform: translateY(-2px);
  box-shadow: 0 18px 32px -14px rgba(29, 78, 216, 0.7);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 0.75rem;
  border: 1px solid #cbd5e1;
  background: #fff;
  padding: 0.75rem 1.4rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: #1e293b;
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}
.btn-ghost:hover {
  border-color: var(--brand-600);
  color: var(--brand-700);
  transform: translateY(-2px);
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand-700);
}
.eyebrow-light {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #93c5fd;
}
.section-title {
  font-family: "Plus Jakarta Sans", Inter, sans-serif;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(1.75rem, 1.1rem + 2.5vw, 2.75rem);
  line-height: 1.12;
  color: #0b1220;
}
.text-gradient {
  background: linear-gradient(120deg, #2563eb 0%, #1d4ed8 50%, #1e3a8a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- Hero decoration ---------- */
.hero-grid {
  background-image:
    linear-gradient(to right, rgba(29, 78, 216, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(29, 78, 216, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 75%);
}

/* Bars used in hero + product visuals */
.bar {
  flex: 1;
  border-radius: 0.4rem 0.4rem 0.2rem 0.2rem;
  background: linear-gradient(to top, #2563eb, #60a5fa);
  transition: height 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- About check dots ---------- */
.check-dot {
  margin-top: 0.35rem;
  flex: none;
  height: 1.1rem;
  width: 1.1rem;
  border-radius: 9999px;
  background: var(--brand-700);
  position: relative;
}
.check-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 0.32rem;
  height: 0.6rem;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: translateY(-1px) rotate(45deg);
}

/* ---------- Service cards ---------- */
.service-card {
  position: relative;
  border-radius: 1.25rem;
  border: 1px solid #e8edf5;
  background: #fff;
  padding: 1.75rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: #bfdbfe;
  box-shadow: 0 24px 50px -24px rgba(29, 78, 216, 0.35);
}
.service-icon {
  display: grid;
  place-items: center;
  height: 3rem;
  width: 3rem;
  border-radius: 0.9rem;
  background: #eff6ff;
  color: var(--brand-700);
  transition: background 0.25s ease, color 0.25s ease;
}
.service-card:hover .service-icon {
  background: var(--brand-700);
  color: #fff;
}
.service-heading {
  margin-top: 1.25rem;
  font-family: "Plus Jakarta Sans", Inter, sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: #0b1220;
}
.service-text {
  margin-top: 0.6rem;
  font-size: 0.95rem;
  line-height: 1.55;
  color: #64748b;
}
.service-list {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #475569;
}
.service-list li {
  position: relative;
  padding-left: 1.1rem;
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  height: 0.4rem;
  width: 0.4rem;
  border-radius: 9999px;
  background: var(--brand-600);
}

/* ---------- Technology tiles ---------- */
.tech-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  border-radius: 1rem;
  border: 1px solid #e8edf5;
  background: #fff;
  padding: 1.5rem 1rem;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.tech-tile:hover {
  transform: translateY(-4px);
  border-color: #bfdbfe;
  box-shadow: 0 18px 40px -22px rgba(29, 78, 216, 0.4);
}
.tech-tile p {
  font-size: 0.8rem;
  font-weight: 600;
  color: #475569;
}
.tech-badge {
  display: grid;
  place-items: center;
  height: 3rem;
  width: 3rem;
  border-radius: 0.85rem;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  color: var(--brand-700);
  font-family: "Plus Jakarta Sans", Inter, sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
}

/* ---------- Why cards (dark) ---------- */
.why-card {
  position: relative;
  border-radius: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  padding: 1.75rem;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}
.why-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(96, 165, 250, 0.45);
}
.why-num {
  font-family: "Plus Jakarta Sans", Inter, sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: #60a5fa;
}
.why-heading {
  margin-top: 0.75rem;
  font-family: "Plus Jakarta Sans", Inter, sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
}
.why-text {
  margin-top: 0.5rem;
  font-size: 0.92rem;
  line-height: 1.55;
  color: #94a3b8;
}

/* ---------- Product features ---------- */
.product-feature {
  position: relative;
  padding-left: 1.6rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: #334155;
}
.product-feature::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15rem;
  height: 1.05rem;
  width: 1.05rem;
  border-radius: 9999px;
  background: #eff6ff
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%231d4ed8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E")
    center / 0.75rem no-repeat;
}

/* ---------- Contact ---------- */
.contact-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.contact-icon {
  display: grid;
  place-items: center;
  height: 3rem;
  width: 3rem;
  flex: none;
  border-radius: 0.9rem;
  background: #eff6ff;
  color: var(--brand-700);
}
.form-label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #1e293b;
}
.form-input {
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid #d8e0ec;
  background: #fff;
  padding: 0.7rem 0.9rem;
  font-size: 0.95rem;
  color: #0b1220;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.form-input::placeholder { color: #94a3b8; }
.form-input:focus {
  outline: none;
  border-color: var(--brand-600);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}
.form-input.invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}
.form-error {
  margin-top: 0.35rem;
  min-height: 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: #ef4444;
}

/* ---------- Footer ---------- */
.footer-title {
  font-family: "Plus Jakarta Sans", Inter, sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #e2e8f0;
}
.footer-list {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.9rem;
}
.footer-link {
  color: #94a3b8;
  transition: color 0.18s ease;
}
.footer-link:hover { color: #fff; }

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
[data-reveal].revealed {
  opacity: 1;
  transform: none;
}