/* ==========================================================================
   Webmasters Infotech — "Blueprint" design system
   ========================================================================== */

:root {
  --navy:        #0A1930;
  --navy-2:      #0F2242;
  --navy-3:      #13284A;
  --line:        rgba(255,255,255,0.09);
  --line-strong: rgba(255,255,255,0.18);
  --paper:       #EEF1F6;
  --paper-2:     #E3E8F0;
  --ink:         #0E1522;
  --ink-soft:    #4A5568;
  --muted:       #93A2BE;
  --amber:       #FF7A3D;
  --amber-soft:  #FFB088;
  --cyan:        #4FD8C6;
  --white:       #FFFFFF;

  --font-head: "Space Grotesk", "IBM Plex Sans", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;

  --container: 1180px;
  --radius: 4px;
  --dur: 0.5s;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.3rem; }

p { color: var(--ink-soft); max-width: 62ch; }

.section { padding: 108px 0; position: relative; }
.section-tight { padding: 72px 0; }

.section--navy { background: var(--navy); color: var(--white); }
.section--navy h1, .section--navy h2, .section--navy h3, .section--navy h4 { color: var(--white); }
.section--navy p { color: var(--muted); }

.blueprint-grid {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head .tag { display: block; margin-bottom: 14px; }
.section-head p { margin-top: 14px; font-size: 1.05rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  color: var(--amber);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.tag::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--amber);
  display: inline-block;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--amber);
  color: var(--navy);
}
.btn-primary:hover { background: var(--white); transform: translateY(-2px); }
.btn-outline {
  border: 1px solid var(--line-strong);
  color: inherit;
}
.btn-outline:hover { border-color: var(--amber); color: var(--amber); }
.section--navy .btn-outline { border-color: rgba(255,255,255,0.28); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 22px 0;
  transition: all var(--dur) var(--ease);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.site-header.is-scrolled {
  padding: 14px 0;
  background: rgba(10, 25, 48, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-weight: 700; font-size: 1.25rem; color: var(--white); }
.brand .brand-mark {
  width: 34px; height: 34px;
  border: 1.5px solid var(--amber);
  display: flex; align-items: center; justify-content: center;
  color: var(--amber);
  font-size: 0.85rem;
  transform: rotate(45deg);
  flex-shrink: 0;
}
.brand .brand-mark span { transform: rotate(-45deg); }
.brand .brand-name span { color: var(--amber); }

.nav-main { display: flex; align-items: center; gap: 40px; }
.nav-main ul { display: flex; gap: 34px; }
.nav-main a {
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  position: relative;
  padding-bottom: 4px;
}
.nav-main a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--amber);
  transition: width var(--dur) var(--ease);
}
.nav-main a:hover, .nav-main a.active { color: var(--white); }
.nav-main a:hover::after, .nav-main a.active::after { width: 100%; }

.header-cta { display: flex; align-items: center; gap: 22px; }
.header-phone { display: flex; align-items: center; gap: 10px; color: var(--white); font-family: var(--font-head); font-size: 0.9rem; }
.header-phone svg { color: var(--amber); flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  z-index: 950;
}
.nav-toggle span { display: block; height: 2px; width: 100%; background: var(--white); transition: all 0.3s var(--ease); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  color: var(--white);
  padding-top: 120px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, black 40%, transparent 100%);
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.hero-eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; }
.hero-eyebrow .dot { width: 7px; height: 7px; background: var(--cyan); border-radius: 50%; box-shadow: 0 0 0 4px rgba(79,216,198,0.18); }
.hero-eyebrow span { font-family: "IBM Plex Mono", monospace; font-size: 0.82rem; color: var(--cyan); }

.hero h1 { margin-bottom: 22px; }
.hero-rotator { color: var(--amber); position: relative; display: inline-block; }
.hero-rotator .cursor { display: inline-block; width: 3px; background: var(--amber); margin-left: 4px; animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero p.lead { font-size: 1.12rem; max-width: 46ch; margin-bottom: 38px; }
.hero-actions { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 42px; margin-top: 64px; }
.hero-stats .stat b { display: block; font-family: var(--font-head); font-size: 2rem; color: var(--white); }
.hero-stats .stat span { font-size: 0.82rem; color: var(--muted); }

.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; }
.schematic-line {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
  animation: draw 2.6s var(--ease) forwards;
}
.schematic-line.accent { stroke: var(--amber); animation-delay: 0.3s; }
.schematic-line.cyan { stroke: var(--cyan); animation-delay: 0.6s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.schematic-node {
  fill: var(--navy);
  stroke: var(--amber);
  stroke-width: 1.4;
  opacity: 0;
  animation: nodeIn 0.5s var(--ease) forwards;
}
@keyframes nodeIn { to { opacity: 1; } }
.schematic-node.pulse { animation: nodeIn 0.5s var(--ease) forwards, pulse 2.4s ease-in-out 2s infinite; }
@keyframes pulse { 0%,100% { r: 4; } 50% { r: 6; } }
.schematic-tag { font-family: "IBM Plex Mono", monospace; font-size: 9px; fill: var(--muted); opacity: 0; animation: nodeIn 0.6s var(--ease) forwards; }

.scroll-cue {
  position: absolute;
  bottom: 32px; left: 24px;
  display: flex; align-items: center; gap: 10px;
  color: var(--muted); font-family: "IBM Plex Mono", monospace; font-size: 0.75rem;
  z-index: 2;
}
.scroll-cue .line { width: 30px; height: 1px; background: var(--line-strong); position: relative; overflow: hidden; }
.scroll-cue .line::after {
  content: ""; position: absolute; left: -100%; top: 0; width: 100%; height: 100%;
  background: var(--amber); animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue { 50% { left: 100%; } 100% { left: 100%; } }

/* ---------- Reveal on scroll ---------- */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal="fade"] { transform: none; }
[data-reveal-group] > * { transition-delay: calc(var(--i, 0) * 90ms); }

/* ---------- Marquee (client strip) ---------- */
.marquee-wrap {
  background: var(--navy-2);
  padding: 26px 0;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.marquee-track { display: flex; gap: 70px; width: max-content; animation: marquee 26s linear infinite; }
.marquee-track span { font-family: var(--font-head); font-size: 1.05rem; color: var(--muted); white-space: nowrap; letter-spacing: 0.02em; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Services ---------- */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-strong); border: 1px solid var(--line-strong); }
.service-card {
  background: var(--navy);
  padding: 44px 34px;
  position: relative;
  transition: background var(--dur) var(--ease);
}
.service-card:hover { background: var(--navy-3); }
.service-card .num { font-family: "IBM Plex Mono", monospace; color: var(--muted); font-size: 0.78rem; display: block; margin-bottom: 26px; }
.service-card .icon { margin-bottom: 22px; color: var(--amber); }
.service-card h3 { color: var(--white); margin-bottom: 12px; }
.service-card p { color: var(--muted); font-size: 0.94rem; margin-bottom: 18px; }
.service-card .more { font-family: var(--font-head); font-size: 0.85rem; color: var(--cyan); display: inline-flex; align-items: center; gap: 8px; }
.service-card .more svg { transition: transform var(--dur) var(--ease); }
.service-card:hover .more svg { transform: translateX(5px); }

/* ---------- About / split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.split-media { position: relative; }
.split-media img { border-radius: var(--radius); width: 100%; }
.split-media .frame-corner {
  position: absolute; width: 34px; height: 34px; border: 2px solid var(--amber);
}
.split-media .frame-corner.tl { top: -12px; left: -12px; border-right: none; border-bottom: none; }
.split-media .frame-corner.br { bottom: -12px; right: -12px; border-left: none; border-top: none; }
.split-media .badge {
  position: absolute; bottom: -26px; left: -26px;
  background: var(--navy); color: var(--white);
  padding: 20px 24px; border: 1px solid var(--line-strong);
}
.split-media .badge b { display: block; font-family: var(--font-head); font-size: 1.9rem; color: var(--amber); }
.split-media .badge span { font-size: 0.8rem; color: var(--muted); }

.check-list { margin-top: 28px; display: grid; gap: 14px; }
.check-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--ink); font-size: 0.98rem; }
.check-list svg { color: var(--amber); flex-shrink: 0; margin-top: 3px; }

/* ---------- Process ---------- */
.process-track { position: relative; margin-top: 20px; }
.process-track::before {
  content: ""; position: absolute; top: 27px; left: 0; right: 0; height: 1px;
  background: repeating-linear-gradient(90deg, var(--line-strong) 0 8px, transparent 8px 16px);
}
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; position: relative; }
.process-step .step-index {
  width: 54px; height: 54px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); color: var(--amber); font-size: 0.95rem;
  margin-bottom: 22px; position: relative; z-index: 2;
}
.process-step h4 { color: var(--white); font-size: 1.05rem; margin-bottom: 10px; font-family: var(--font-head); }
.process-step p { font-size: 0.88rem; color: var(--muted); }

/* ---------- Portfolio ---------- */
.filter-bar { display: flex; gap: 10px; margin-bottom: 46px; flex-wrap: wrap; }
.filter-bar button {
  font-family: var(--font-head); font-size: 0.88rem; font-weight: 600;
  padding: 10px 20px; border: 1px solid var(--paper-2); color: var(--ink-soft);
  transition: all var(--dur) var(--ease);
}
.filter-bar button.active, .filter-bar button:hover { background: var(--navy); border-color: var(--navy); color: var(--white); }

.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.portfolio-item { position: relative; overflow: hidden; border: 1px solid var(--paper-2); }
.portfolio-item .thumb { aspect-ratio: 4/3.1; overflow: hidden; }
.portfolio-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.portfolio-item:hover img { transform: scale(1.08); }
.portfolio-item .info { padding: 20px 22px; background: var(--white); }
.portfolio-item .info span.cat { font-family: "IBM Plex Mono", monospace; font-size: 0.72rem; color: var(--amber); }
.portfolio-item .info h4 { margin-top: 6px; font-size: 1.08rem; }
.portfolio-item .view {
  position: absolute; top: 16px; right: 16px;
  width: 42px; height: 42px; background: var(--amber); color: var(--navy);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(-8px);
  transition: all var(--dur) var(--ease);
}
.portfolio-item:hover .view { opacity: 1; transform: translateY(0); }
.portfolio-item[hidden] { display: none; }

/* ---------- Testimonials ---------- */
.testi-wrap { position: relative; max-width: 780px; margin: 0 auto; text-align: center; }
.testi-slide { display: none; }
.testi-slide.active { display: block; animation: fadeSlide 0.6s var(--ease); }
@keyframes fadeSlide { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.testi-slide .stars { color: var(--amber); margin-bottom: 22px; font-size: 1.1rem; letter-spacing: 3px; }
.testi-slide blockquote { font-family: var(--font-head); font-size: 1.4rem; font-weight: 500; color: var(--white); line-height: 1.5; margin-bottom: 30px; }
.testi-slide .person b { display: block; color: var(--white); font-family: var(--font-head); }
.testi-slide .person span { color: var(--muted); font-size: 0.85rem; }
.testi-nav { display: flex; justify-content: center; gap: 12px; margin-top: 40px; }
.testi-nav button { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); transition: all var(--dur) var(--ease); }
.testi-nav button.active { background: var(--amber); width: 26px; border-radius: 5px; }

/* ---------- CTA ---------- */
.cta-band {
  background: var(--navy);
  border: 1px solid var(--line);
  padding: 64px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 130% at 90% 50%, black 0%, transparent 80%);
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: var(--white); max-width: 480px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: var(--muted); padding-top: 90px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr; gap: 50px; padding-bottom: 60px; border-bottom: 1px solid var(--line); }
.footer-grid h5 { color: var(--white); font-family: var(--font-head); font-size: 0.95rem; margin-bottom: 22px; }
.footer-grid p { color: var(--muted); font-size: 0.92rem; }
.footer-grid ul { display: grid; gap: 12px; }
.footer-grid ul a { font-size: 0.92rem; transition: color var(--dur) var(--ease); }
.footer-grid ul a:hover { color: var(--amber); }
.footer-brand .brand { margin-bottom: 18px; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; }
.footer-contact svg { color: var(--amber); flex-shrink: 0; margin-top: 3px; }
.social-row { display: flex; gap: 12px; margin-top: 24px; }
.social-row a { width: 36px; height: 36px; border: 1px solid var(--line-strong); display: flex; align-items: center; justify-content: center; transition: all var(--dur) var(--ease); }
.social-row a:hover { background: var(--amber); border-color: var(--amber); color: var(--navy); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 26px 0; font-size: 0.84rem; flex-wrap: wrap; gap: 10px; }
.footer-bottom a:hover { color: var(--amber); }

/* ---------- Page header (inner pages) ---------- */
.page-hero {
  background: var(--navy);
  color: var(--white);
  padding: 190px 0 90px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 100% at 50% 0%, black 30%, transparent 100%);
}
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; gap: 10px; align-items: center; font-family: "IBM Plex Mono", monospace; font-size: 0.82rem; color: var(--muted); margin-top: 18px; }
.breadcrumb a:hover { color: var(--amber); }
.breadcrumb .sep { color: var(--line-strong); }

/* ---------- Counters (about page) ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-strong); border: 1px solid var(--line-strong); margin-top: 70px; }
.stat-item { background: var(--navy); padding: 40px 30px; text-align: center; }
.stat-item b { display: block; font-family: var(--font-head); font-size: 2.6rem; color: var(--amber); }
.stat-item span { font-size: 0.85rem; color: var(--muted); }

/* ---------- Timeline (about) ---------- */
.timeline { position: relative; margin-top: 60px; padding-left: 40px; border-left: 1px dashed var(--paper-2); }
.timeline-item { position: relative; padding-bottom: 48px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -45px; top: 4px;
  width: 11px; height: 11px; border-radius: 50%; background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255,122,61,0.15);
}
.timeline-item .year { font-family: var(--font-head); color: var(--amber); font-size: 0.9rem; margin-bottom: 8px; display: block; }
.timeline-item h4 { margin-bottom: 8px; }

/* ---------- Values / cards (about, light) ---------- */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 20px; }
.value-card { border: 1px solid var(--paper-2); padding: 34px 26px; transition: border-color var(--dur) var(--ease); }
.value-card:hover { border-color: var(--amber); }
.value-card .icon { color: var(--amber); margin-bottom: 18px; }
.value-card h4 { font-size: 1.05rem; margin-bottom: 10px; }
.value-card p { font-size: 0.9rem; }

/* ---------- Team ---------- */
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 20px; }
.team-card { text-align: left; }
.team-card .photo { aspect-ratio: 3/3.4; overflow: hidden; margin-bottom: 18px; position: relative; }
.team-card .photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(60%); transition: filter var(--dur) var(--ease); }
.team-card:hover .photo img { filter: grayscale(0%); }
.team-card h4 { font-size: 1rem; }
.team-card span { font-size: 0.84rem; color: var(--amber); font-family: "IBM Plex Mono", monospace; }

/* ---------- Services page pricing/list ---------- */
.service-list-full { display: grid; gap: 1px; background: var(--paper-2); border: 1px solid var(--paper-2); margin-top: 10px; }
.service-row {
  background: var(--white);
  display: grid; grid-template-columns: 90px 1fr auto; gap: 30px; align-items: center;
  padding: 36px 34px; transition: background var(--dur) var(--ease);
}
.service-row:hover { background: var(--paper); }
.service-row .num { font-family: var(--font-head); font-size: 1.8rem; color: var(--paper-2); }
.service-row h3 { margin-bottom: 8px; }
.service-row .go { width: 46px; height: 46px; border: 1px solid var(--paper-2); display: flex; align-items: center; justify-content: center; transition: all var(--dur) var(--ease); }
.service-row:hover .go { background: var(--amber); border-color: var(--amber); color: var(--navy); transform: rotate(45deg); }

.feature-columns { display: grid; grid-template-columns: repeat(2, 1fr); gap: 60px; margin-top: 26px; }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 70px; }
.info-card-list { display: grid; gap: 1px; background: var(--paper-2); border: 1px solid var(--paper-2); margin-bottom: 30px; }
.info-card { background: var(--white); padding: 26px 28px; display: flex; gap: 18px; align-items: flex-start; }
.info-card .icon { width: 44px; height: 44px; border: 1px solid var(--paper-2); display: flex; align-items: center; justify-content: center; color: var(--amber); flex-shrink: 0; }
.info-card h4 { font-size: 0.95rem; margin-bottom: 6px; }
.info-card p { font-size: 0.92rem; margin: 0; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 0.85rem; font-family: var(--font-head); font-weight: 600; margin-bottom: 9px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 14px 16px; border: 1px solid var(--paper-2);
  font-family: var(--font-body); font-size: 0.95rem; background: var(--white);
  transition: border-color var(--dur) var(--ease);
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--amber); }
.field textarea { resize: vertical; min-height: 130px; }
.contact-form-wrap { border: 1px solid var(--paper-2); padding: 44px; }
.form-note { font-size: 0.82rem; color: var(--muted); margin-top: 14px; }

.map-wrap { margin-top: 30px; border: 1px solid var(--paper-2); filter: grayscale(30%) contrast(1.05); }
.map-wrap iframe { width: 100%; height: 380px; border: 0; display: block; }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; bottom: 30px; right: 30px; z-index: 500;
  width: 48px; height: 48px; background: var(--navy); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all var(--dur) var(--ease);
  border: 1px solid var(--line-strong);
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--amber); color: var(--navy); border-color: var(--amber); }

/* ---------- Preloader ---------- */
.preloader {
  position: fixed; inset: 0; z-index: 9999; background: var(--navy);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}
.preloader.is-hidden { opacity: 0; visibility: hidden; }
.preloader-mark { width: 50px; height: 50px; border: 1.5px solid var(--amber); transform: rotate(45deg); position: relative; }
.preloader-mark::before {
  content: ""; position: absolute; inset: -1.5px; border: 1.5px solid transparent; border-top-color: var(--cyan);
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Utility ---------- */
.mt-0 { margin-top: 0 !important; }
.text-center { text-align: center; margin-left: auto; margin-right: auto; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { display: none; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .process-track::before { display: none; }
  .stat-grid, .value-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 50px; }
  .footer-grid { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .feature-columns { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 768px) {
  .nav-main { position: fixed; top: 0; right: -100%; width: min(340px, 84vw); height: 100vh; background: var(--navy); flex-direction: column; align-items: flex-start; padding: 100px 34px 40px; transition: right 0.45s var(--ease); border-left: 1px solid var(--line); }
  .nav-main.is-open { right: 0; }
  .nav-main ul { flex-direction: column; gap: 22px; }
  .header-phone { display: none; }
  .nav-toggle { display: flex; }
  .service-grid, .stat-grid, .value-grid, .team-grid, .portfolio-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; padding: 48px 30px; }
  .section { padding: 76px 0; }
  .hero-stats { gap: 26px; flex-wrap: wrap; }
}

@media (max-width: 480px) {
  .process-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 26px; }
}