/* ==========================================================================
   RP Precision Construction — custom styles & animations
   Layered on top of the Tailwind Play CDN.
   ========================================================================== */

:root {
  --brand: #f47920;
  --brand-dark: #dd5e0c;
  --ink: #0d0f13;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Archivo", system-ui, sans-serif;
  background-color: #0d0f13;
  color: #e9eaec;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection {
  background: var(--brand);
  color: #fff;
}

/* Custom scrollbar (desktop) ------------------------------------------------ */
@media (pointer: fine) {
  ::-webkit-scrollbar {
    width: 11px;
  }
  ::-webkit-scrollbar-track {
    background: #0d0f13;
  }
  ::-webkit-scrollbar-thumb {
    background: #2a2f38;
    border-radius: 99px;
    border: 3px solid #0d0f13;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: var(--brand);
  }
}

/* Headings ------------------------------------------------------------------ */
.font-display {
  font-family: "Bricolage Grotesque", system-ui, sans-serif;
}

/* Gradient text helpers ----------------------------------------------------- */
.text-steel {
  background: linear-gradient(180deg, #ffffff 0%, #cfd4da 45%, #8a929d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.text-orange-grad {
  background: linear-gradient(120deg, #ff9d4d 0%, #f47920 55%, #dd5e0c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Buttons ------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: 0.75rem;
  padding: 0.85rem 1.6rem;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s,
    background-color 0.25s, color 0.25s, border-color 0.25s;
  will-change: transform;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn:active {
  transform: translateY(0);
}
.btn-primary {
  background: linear-gradient(120deg, #fb7f37, #f47920 60%, #dd5e0c);
  color: #fff;
  box-shadow: 0 10px 30px -8px rgba(244, 121, 32, 0.55);
}
.btn-primary:hover {
  box-shadow: 0 16px 38px -8px rgba(244, 121, 32, 0.7);
}
.btn-outline {
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(4px);
}
.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand);
}
.btn-dark {
  background: #14171d;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.08);
}
.btn-dark:hover {
  border-color: var(--brand);
}

/* Eyebrow / kicker label ---------------------------------------------------- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand);
}
.kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--brand);
  display: inline-block;
}

/* Header / nav -------------------------------------------------------------- */
.site-header {
  transition: background-color 0.35s ease, backdrop-filter 0.35s ease,
    box-shadow 0.35s ease, border-color 0.35s ease;
}
.site-header.scrolled {
  background: rgba(10, 11, 13, 0.85);
  backdrop-filter: blur(14px) saturate(140%);
  border-color: rgba(255, 255, 255, 0.08) !important;
  box-shadow: 0 10px 30px -18px rgba(0, 0, 0, 0.8);
}
.nav-link {
  position: relative;
  padding: 0.4rem 0;
  color: #c7cad0;
  font-weight: 500;
  transition: color 0.25s;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 2px;
  width: 0;
  background: var(--brand);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.nav-link:hover,
.nav-link.active {
  color: #fff;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Logo wordmark badge ------------------------------------------------------- */
.rp-badge {
  font-family: "Bricolage Grotesque", sans-serif;
  font-weight: 800;
  letter-spacing: -0.05em;
  background: linear-gradient(160deg, #ffffff 0%, #cfd4da 40%, #7c828c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Mobile menu --------------------------------------------------------------- */
#mobile-menu {
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
#mobile-menu .menu-panel {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateX(100%);
}
#mobile-menu.open .menu-panel {
  transform: translateX(0);
}
#mobile-menu.open {
  opacity: 1;
  visibility: visible;
}
#mobile-menu {
  opacity: 0;
  visibility: hidden;
}
.hamburger span {
  transition: transform 0.3s ease, opacity 0.2s ease;
}
.hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Scroll reveal ------------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
[data-reveal="left"] {
  transform: translateX(-40px);
}
[data-reveal="right"] {
  transform: translateX(40px);
}
[data-reveal="scale"] {
  transform: scale(0.92);
}
[data-reveal].in {
  opacity: 1;
  transform: none;
}

/* Cards --------------------------------------------------------------------- */
.svc-card {
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    border-color 0.4s, box-shadow 0.4s;
}
.svc-card:hover {
  transform: translateY(-6px);
  border-color: rgba(244, 121, 32, 0.55) !important;
  box-shadow: 0 26px 50px -24px rgba(0, 0, 0, 0.7);
}
.svc-card .svc-icon {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.4s;
}
.svc-card:hover .svc-icon {
  transform: rotate(-6deg) scale(1.08);
}

/* Image zoom frame ---------------------------------------------------------- */
.zoom-frame {
  overflow: hidden;
}
.zoom-frame img {
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.zoom-frame:hover img {
  transform: scale(1.07);
}

/* Hero background ------------------------------------------------------------ */
.ken-burns {
  animation: kb 22s ease-in-out infinite alternate;
}
@keyframes kb {
  from {
    transform: scale(1.05) translate(0, 0);
  }
  to {
    transform: scale(1.18) translate(-2%, -2%);
  }
}

/* Faint engineering grid overlay -------------------------------------------- */
.grid-overlay {
  background-image: linear-gradient(
      to right,
      rgba(255, 255, 255, 0.045) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 35%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 35%, transparent 78%);
}

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

/* Form fields --------------------------------------------------------------- */
.field {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  padding: 0.85rem 1rem;
  color: #fff;
  transition: border-color 0.25s, box-shadow 0.25s, background-color 0.25s;
}
.field::placeholder {
  color: #6b727c;
}
.field:focus {
  outline: none;
  border-color: var(--brand);
  background: rgba(244, 121, 32, 0.06);
  box-shadow: 0 0 0 4px rgba(244, 121, 32, 0.14);
}

/* Accordion (services / FAQ) ------------------------------------------------ */
.acc-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.acc-item.open .acc-body {
  grid-template-rows: 1fr;
}
.acc-body > div {
  overflow: hidden;
}
.acc-item.open .acc-chevron {
  transform: rotate(180deg);
}
.acc-chevron {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Underline link ------------------------------------------------------------ */
.link-underline {
  background-image: linear-gradient(var(--brand), var(--brand));
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: left bottom;
  transition: background-size 0.3s ease;
  padding-bottom: 2px;
}
.link-underline:hover {
  background-size: 100% 2px;
}

/* Language switch ----------------------------------------------------------- */
.lang-opt {
  padding: 0.25rem 0.55rem;
  border-radius: 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #9aa2ad;
  transition: color 0.2s, background-color 0.2s, box-shadow 0.2s;
}
.lang-opt:hover {
  color: #fff;
}
.lang-opt.lang-active {
  background: linear-gradient(120deg, #fb7f37, #f47920 60%, #dd5e0c);
  color: #fff;
  box-shadow: 0 6px 16px -8px rgba(244, 121, 32, 0.6);
}

/* Projects filter buttons --------------------------------------------------- */
.filter-btn {
  border-radius: 99px;
  padding: 0.55rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #c2c8d0;
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  transition: color 0.25s, background-color 0.25s, border-color 0.25s,
    transform 0.25s;
}
.filter-btn:hover {
  color: #fff;
  border-color: rgba(244, 121, 32, 0.5);
}
.filter-btn.filter-active {
  color: #fff;
  background: linear-gradient(120deg, #fb7f37, #f47920 60%, #dd5e0c);
  border-color: transparent;
  box-shadow: 0 10px 24px -10px rgba(244, 121, 32, 0.6);
}

/* Reduced motion ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}