/* ==========================================================================
   Grasious Engineering Works — Design System
   Navy + gold industrial theme, motion-first, Tailwind CDN companion sheet
   ========================================================================== */

:root {
  --navy-900: #0a1a2f;
  --navy-950: #050e1c;
  --navy-700: #123253;
  --gold-400: #f7c343;
  --gold-500: #eaa713;
  --steel-100: #eef2f6;
  --steel-500: #7b8ea3;
  --ring: rgba(247, 195, 67, 0.45);
  --ease-out-soft: cubic-bezier(0.22, 1, 0.36, 1);
}

html { -webkit-text-size-adjust: 100%; }
body { overflow-x: hidden; }

::selection { background: var(--gold-400); color: var(--navy-900); }

/* Scrollbar ---------------------------------------------------------------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--steel-100); }
::-webkit-scrollbar-thumb { background: var(--navy-700); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-500); }

/* ============================== Buttons =================================== */
.btn-gold,
.btn-outline-light,
.btn-ghost,
.btn-navy,
.btn-outline-dark {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.75rem 1.6rem;
  font-weight: 600;
  font-size: 0.925rem;
  letter-spacing: 0.01em;
  overflow: hidden;
  transition: transform 0.35s var(--ease-out-soft), box-shadow 0.35s var(--ease-out-soft),
    background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.btn-gold {
  background: linear-gradient(120deg, var(--gold-400), var(--gold-500));
  color: var(--navy-900);
  box-shadow: 0 14px 30px -14px rgba(234, 167, 19, 0.85);
}
.btn-gold:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 22px 45px -16px rgba(234, 167, 19, 0.95); }

.btn-navy { background: var(--navy-900); color: #fff; }
.btn-navy:hover { transform: translateY(-3px); background: var(--navy-700); box-shadow: 0 20px 40px -20px rgba(10, 26, 47, 0.9); }

.btn-outline-light { border: 1.5px solid rgba(255, 255, 255, 0.35); color: #fff; }
.btn-outline-light:hover { border-color: var(--gold-400); color: var(--gold-400); transform: translateY(-3px); }

.btn-outline-dark { border: 1.5px solid rgba(10, 26, 47, 0.18); color: var(--navy-900); }
.btn-outline-dark:hover { border-color: var(--navy-900); background: var(--navy-900); color: #fff; transform: translateY(-3px); }

.btn-ghost { color: #fff; border: 1px solid rgba(255, 255, 255, 0.18); padding: 0.6rem 1.15rem; font-size: 0.85rem; }
.btn-ghost:hover { border-color: var(--gold-400); color: var(--gold-400); }

/* Shine sweep on primary buttons */
.btn-gold::after,
.btn-navy::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 -60%;
  width: 40%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: skewX(-20deg);
  transition: left 0.65s var(--ease-out-soft);
}
.btn-gold:hover::after,
.btn-navy:hover::after { left: 120%; }

/* ============================= Navigation ================================= */
.nav-shell { box-shadow: 0 12px 40px -28px rgba(5, 14, 28, 0.9); }
#site-header.is-stuck .nav-shell { background: rgba(5, 14, 28, 0.92); }
.brand-logo { display: block; width: 14rem; height: 3.25rem; border-radius: 0.65rem; border: 1px solid rgba(255, 255, 255, 0.15); object-fit: contain; background: #fff; }


.nav-link {
  position: relative;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #e6edf5;
  transition: color 0.25s ease, background-color 0.25s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.25rem;
  height: 2px;
  width: 0;
  background: var(--gold-400);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.3s var(--ease-out-soft);
}
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.07); }
.nav-link:hover::after,
.nav-link.is-active::after { width: 45%; }
.nav-link.is-active { color: var(--gold-400); }

.burger { display: block; width: 20px; }
.burger span {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.35s var(--ease-out-soft), opacity 0.25s ease;
}
.burger span + span { margin-top: 5px; }
.nav-open .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .burger span:nth-child(2) { opacity: 0; }
.nav-open .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  max-height: 0;
  overflow: hidden;
  background: rgba(5, 14, 28, 0.98);
  transition: max-height 0.45s var(--ease-out-soft);
}
.mobile-nav.is-open { max-height: 32rem; }
.mobile-link {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: 0.85rem;
  color: #dbe5f0;
  font-weight: 500;
  transition: background-color 0.25s ease, color 0.25s ease, padding-left 0.25s ease;
}
.mobile-link:hover { background: rgba(255, 255, 255, 0.07); color: var(--gold-400); padding-left: 1.4rem; }
.mobile-link.is-active { color: var(--gold-400); background: rgba(247, 195, 67, 0.1); }

/* ============================== Reveal ==================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.8s var(--ease-out-soft), transform 0.8s var(--ease-out-soft);
  will-change: opacity, transform;
}
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal="left"] { transform: translateX(-46px); }
[data-reveal="right"] { transform: translateX(46px); }
[data-reveal="zoom"] { transform: scale(0.92); }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  * { animation-duration: 0.001ms !important; }
}

/* ============================== Cards ===================================== */
.card {
  position: relative;
  border-radius: 1.5rem;
  background: #fff;
  border: 1px solid rgba(10, 26, 47, 0.07);
  box-shadow: 0 18px 40px -32px rgba(10, 26, 47, 0.7);
  transition: transform 0.45s var(--ease-out-soft), box-shadow 0.45s var(--ease-out-soft), border-color 0.35s ease;
}
.card:hover {
  transform: translateY(-10px);
  border-color: rgba(247, 195, 67, 0.6);
  box-shadow: 0 34px 65px -35px rgba(10, 26, 47, 0.75);
}
.card-glow::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(247, 195, 67, 0.55), transparent 55%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.card-glow:hover::before { opacity: 1; }

.tilt { transform-style: preserve-3d; transition: transform 0.35s var(--ease-out-soft); }

/* Media zoom on hover */
.media-zoom { overflow: hidden; }
.media-zoom img { transition: transform 0.9s var(--ease-out-soft), filter 0.6s ease; }
.media-zoom:hover img { transform: scale(1.09); filter: saturate(1.12); }

/* ============================ Section titles ============================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  border: 1px solid rgba(247, 195, 67, 0.4);
  background: rgba(247, 195, 67, 0.12);
  padding: 0.4rem 1rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-500);
}
.eyebrow-light { color: var(--gold-400); background: rgba(247, 195, 67, 0.14); }

.section-title { font-family: "Sora", sans-serif; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; }

.underline-grow { position: relative; display: inline-block; }
.underline-grow::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  height: 4px;
  width: 0;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--gold-400), transparent);
  transition: width 1.1s var(--ease-out-soft) 0.2s;
}
.is-visible .underline-grow::after,
.underline-grow.is-visible::after { width: 100%; }

/* ============================== Forms ===================================== */
.field {
  width: 100%;
  border-radius: 0.95rem;
  border: 1.5px solid rgba(10, 26, 47, 0.12);
  background: #fbfcfe;
  padding: 0.85rem 1.05rem;
  font-size: 0.95rem;
  color: var(--navy-900);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, transform 0.25s ease;
}
.field:focus {
  outline: none;
  background: #fff;
  border-color: var(--gold-400);
  box-shadow: 0 0 0 4px var(--ring);
  transform: translateY(-1px);
}
.field::placeholder { color: #9aa8b8; }
.field-label { display: block; margin-bottom: 0.4rem; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: #5a6b7e; }
.field-error { border-color: #f43f5e; box-shadow: 0 0 0 4px rgba(244, 63, 94, 0.18); }
.honeypot { position: absolute !important; left: -9999px !important; opacity: 0; height: 0; width: 0; }

/* ============================== Alerts ==================================== */
.alert {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-radius: 1rem;
  padding: 0.95rem 1.2rem;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  animation: slide-down 0.5s var(--ease-out-soft) both;
}
.alert-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fff1f2; color: #9f1239; border: 1px solid #fecdd3; }
.alert-close { font-size: 1.2rem; line-height: 1; opacity: 0.55; transition: opacity 0.2s ease; }
.alert-close:hover { opacity: 1; }

@keyframes slide-down { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: none; } }

/* ============================ Decorations ================================= */
.grid-pattern {
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
}
.dot-pattern { background-image: radial-gradient(rgba(10, 26, 47, 0.14) 1px, transparent 1px); background-size: 18px 18px; }

.gradient-text {
  background: linear-gradient(115deg, var(--gold-400), #ffe9a8 45%, var(--gold-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.glass { background: rgba(255, 255, 255, 0.08); backdrop-filter: blur(16px); border: 1px solid rgba(255, 255, 255, 0.16); }

.ken-burns { animation: ken 22s ease-in-out infinite alternate; }
@keyframes ken { from { transform: scale(1); } to { transform: scale(1.12) translate3d(-1%, -1%, 0); } }

/* Marquee strip */
.marquee-track { display: flex; width: max-content; animation: marquee-scroll 28s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Step connector */
.step-line::before {
  content: "";
  position: absolute;
  left: 1.6rem;
  top: 3.4rem;
  bottom: -1.5rem;
  width: 2px;
  background: linear-gradient(var(--gold-400), rgba(247, 195, 67, 0));
}
.step-item:last-child .step-line::before { display: none; }

/* Accordion */
.acc-panel { max-height: 0; overflow: hidden; transition: max-height 0.45s var(--ease-out-soft); }
.acc-item.is-open .acc-panel { max-height: 26rem; }
.acc-item.is-open .acc-icon { transform: rotate(45deg); color: var(--gold-500); }
.acc-icon { transition: transform 0.35s var(--ease-out-soft), color 0.3s ease; }

/* Footer bits */
.footer-heading {
  font-family: "Sora", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 1.1rem;
}
.footer-list { display: grid; gap: 0.7rem; font-size: 0.9rem; color: #b7c4d3; }
.footer-list a { position: relative; transition: color 0.25s ease, padding-left 0.25s ease; }
.footer-list a::before { content: "›"; position: absolute; left: -0.9rem; opacity: 0; transition: opacity 0.25s ease; color: var(--gold-400); }
.footer-list a:hover { color: var(--gold-400); padding-left: 0.35rem; }
.footer-list a:hover::before { opacity: 1; }

.social-dot {
  display: inline-flex;
  height: 2.4rem;
  width: 2.4rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.82rem;
  font-weight: 600;
  color: #dbe5f0;
  transition: transform 0.3s var(--ease-out-soft), background-color 0.3s ease, color 0.3s ease;
}
.social-dot:hover { background: var(--gold-400); color: var(--navy-900); transform: translateY(-4px) rotate(-6deg); }

/* Admin table */
.admin-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 0.9rem; }
.admin-table th {
  text-align: left;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #6b7c90;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid #e6ebf1;
}
.admin-table td { padding: 1rem; border-bottom: 1px solid #f0f3f7; vertical-align: middle; }
.admin-table tbody tr { transition: background-color 0.25s ease; }
.admin-table tbody tr:hover { background: #f8fafc; }

/* ========================= Inner + admin pages =========================== */
.inner-page {
  background:
    linear-gradient(180deg, rgba(238, 242, 246, 0.72), rgba(255, 255, 255, 0.96) 34rem),
    #f7f9fb;
}
.inner-page main > section:not(.bg-navy-950):not(.bg-navy-900) { position: relative; }
.inner-page main > section:first-child { border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.inner-page .container { max-width: 80rem; }
.inner-page h1,
.inner-page h2,
.inner-page h3,
.inner-page h4 { font-family: "Sora", sans-serif; letter-spacing: -0.02em; }
.inner-page .bg-slate-100 { background: linear-gradient(135deg, #e9eff5, #f8fafc); }
.inner-page .bg-white.rounded-\[28px\],
.inner-page .bg-white.rounded-\[32px\],
.inner-page .bg-white.rounded-lg,
.inner-page .bg-white.rounded-3xl {
  border: 1px solid rgba(10, 26, 47, 0.08);
  box-shadow: 0 20px 50px -32px rgba(10, 26, 47, 0.55);
}
.inner-page .bg-white.rounded-\[28px\]:hover,
.inner-page .bg-white.rounded-\[32px\]:hover { border-color: rgba(247, 195, 67, 0.55); }
.inner-page .text-emerald-600,
.inner-page .text-emerald-700 { color: var(--gold-600, #c1850a); }
.inner-page .bg-emerald-50 { background: #fff8df; }
.inner-page .border-emerald-200 { border-color: #f5d77b; }
.inner-page .text-blue-600,
.inner-page .text-blue-700 { color: var(--navy-700); }
.inner-page .bg-blue-100 { background: #dce8f5; }
.inner-page .bg-rose-50 { background: #fff1f2; }

.btn-primary,
.btn-secondary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.3s var(--ease-out-soft), box-shadow 0.3s ease, background-color 0.3s ease;
}
.btn-primary {
  background: linear-gradient(120deg, var(--gold-400), var(--gold-500));
  color: var(--navy-900);
  box-shadow: 0 14px 30px -14px rgba(234, 167, 19, 0.85);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 22px 42px -18px rgba(234, 167, 19, 0.9); }
.btn-secondary { border: 1px solid rgba(10, 26, 47, 0.16); background: #fff; color: var(--navy-900); }
.btn-secondary:hover { transform: translateY(-3px); border-color: var(--gold-500); color: var(--gold-600, #c1850a); box-shadow: 0 15px 30px -22px rgba(10, 26, 47, 0.8); }
.inner-page input:not([type="file"]),
.inner-page select,
.inner-page textarea { border-color: rgba(10, 26, 47, 0.13); border-radius: 0.95rem; transition: border-color 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease; }
.inner-page input:not([type="file"]):focus,
.inner-page select:focus,
.inner-page textarea:focus { outline: none; border-color: var(--gold-400); background: #fff; box-shadow: 0 0 0 4px var(--ring); }
.inner-page table thead { background: var(--steel-100); }
.inner-page table tbody tr { transition: background-color 0.25s ease; }
.inner-page table tbody tr:hover { background: #fffdf4; }

.admin-page main > section { min-height: 62vh; }
.admin-page .bg-white { background-color: rgba(255, 255, 255, 0.94); }
.admin-page .border-l-4 { border-left-color: var(--gold-500) !important; }
.admin-page .from-emerald-50,
.admin-page .from-blue-50,
.admin-page .from-purple-50,
.admin-page .from-orange-50 { background: linear-gradient(135deg, #fff8df, #ffffff) !important; }
.admin-page .text-emerald-900,
.admin-page .text-blue-900,
.admin-page .text-purple-900,
.admin-page .text-orange-900 { color: var(--navy-900); }
.admin-page .text-purple-600,
.admin-page .text-orange-600 { color: var(--gold-600, #c1850a); }

@media (max-width: 640px) {
    .brand-logo { width: 10.5rem; height: 2.75rem; }
  .inner-page main > section:first-child { padding-top: 4.5rem; padding-bottom: 4.5rem; }
  .inner-page .container > .rounded-\[28px\],
  .inner-page .container > .rounded-\[32px\] { padding: 1.5rem; }
  .admin-page .admin-table { min-width: 42rem; }
}

.stat-card { position: relative; overflow: hidden; }
.stat-card::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  height: 110px;
  width: 110px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.08;
  transition: transform 0.5s var(--ease-out-soft);
}
.stat-card:hover::after { transform: scale(1.35); }

/* Lightbox */
#lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(5, 14, 28, 0.92);
  padding: 2rem;
  animation: fade-in 0.3s ease both;
}
#lightbox.is-open { display: flex; }
#lightbox img { max-height: 86vh; max-width: 92vw; border-radius: 1rem; box-shadow: 0 40px 80px -30px #000; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* Print (invoice) */
@media print {
  header, footer, #to-top, .no-print, #scroll-progress { display: none !important; }
  body { background: #fff !important; }
  .card { box-shadow: none !important; border: 1px solid #d8dee6 !important; }
}