/* =================================================================
   Enginarum — Landing Page (Premium Iteration)
   HTML5 + CSS + JS + Bootstrap 5
   Palette: #061426, #0B1F3A, #00AEEF, #6C3BFF
   Typography: Gotham (with @font-face) + Montserrat fallback
   ================================================================= */

/* ============ @font-face (Gotham) ============
   Coloca los archivos .woff2 en /assets/fonts/ con estos nombres exactos
   para que se carguen. Si no están, se usa Montserrat como fallback. */
@font-face {
  font-family: 'Gotham';
  src: url('../fonts/Gotham-Book.woff2') format('woff2'),
       url('../fonts/Gotham-Book.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Gotham';
  src: url('../fonts/Gotham-Medium.woff2') format('woff2'),
       url('../fonts/Gotham-Medium.woff') format('woff');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Gotham';
  src: url('../fonts/Gotham-Bold.woff2') format('woff2'),
       url('../fonts/Gotham-Bold.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Gotham';
  src: url('../fonts/Gotham-Black.woff2') format('woff2'),
       url('../fonts/Gotham-Black.woff') format('woff');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Palette */
  --navy-950: #040e1c;
  --navy-900: #061426;
  --navy-800: #0b1f3a;
  --navy-700: #122a4f;
  --blue:     #00aeef;
  --purple:   #6c3bff;
  --white:    #ffffff;
  --ink-100:  #e6edf9;
  --ink-200:  #b7c3d9;
  --ink-300:  #8392b0;
  --ink-400:  #5a6a89;

  /* Gradient */
  --grad-brand: linear-gradient(135deg, #00aeef 0%, #6c3bff 100%);
  --grad-soft:  linear-gradient(135deg, rgba(0,174,239,.15) 0%, rgba(108,59,255,.15) 100%);

  /* Fonts */
  --ff-display: 'Gotham', 'Montserrat', 'Segoe UI', Arial, sans-serif;
  --ff-body:    'Gotham', 'Montserrat', 'Segoe UI', Arial, sans-serif;

  /* Radii & Shadows */
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-pill: 999px;
  --sh-sm: 0 4px 14px rgba(4, 14, 28, 0.35);
  --sh-md: 0 14px 44px rgba(4, 14, 28, 0.45);
  --sh-glow: 0 10px 40px rgba(0, 174, 239, 0.35), 0 0 30px rgba(108, 59, 255, 0.25);
}

/* =============== Base =============== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--ff-body);
  font-weight: 400;
  color: var(--ink-100);
  background: var(--navy-900);
  -webkit-font-smoothing: antialiased;
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .2s ease; }
img { max-width: 100%; height: auto; display: block; }
::selection { background: var(--blue); color: var(--navy-900); }

.container { max-width: 1140px; }

h1, h2, h3, h4, h5 {
  font-family: var(--ff-display);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: #fff;
  margin: 0;
}

.grad-text {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* =============== Background =============== */
.bg-wrap {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1200px 700px at 85% 10%, rgba(0, 174, 239, 0.18) 0%, transparent 55%),
    radial-gradient(1000px 700px at 10% 25%, rgba(108, 59, 255, 0.22) 0%, transparent 55%),
    linear-gradient(180deg, #040e1c 0%, #061426 40%, #0b1f3a 100%);
}
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
}
.glow-a { width: 520px; height: 520px; top: 20%; left: -160px; background: rgba(108, 59, 255, 0.45); }
.glow-b { width: 560px; height: 560px; bottom: -180px; right: -180px; background: rgba(0, 174, 239, 0.35); }
.bg-grain {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: overlay;
  opacity: .6;
}

/* =============== Buttons =============== */
.btn {
  font-family: var(--ff-display);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 14px 26px;
  border-radius: var(--r-pill);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease, background .25s ease;
  border: 1px solid transparent;
}
.btn-primary-grad {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 10px 28px rgba(0, 174, 239, 0.35), 0 0 0 1px rgba(255,255,255,0.08) inset;
}
.btn-primary-grad:hover {
  transform: translateY(-2px);
  box-shadow: var(--sh-glow);
  color: #fff;
  filter: brightness(1.05);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.14);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(0, 174, 239, 0.55);
  color: #fff;
}

/* =============== Navbar =============== */
.site-nav {
  background: rgba(6, 20, 38, 0.5);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 16px 0;
  transition: background .3s ease, padding .3s ease, border-color .3s ease;
}
.site-nav.scrolled {
  background: rgba(4, 14, 28, 0.9);
  padding: 10px 0;
  border-bottom-color: rgba(0, 174, 239, 0.18);
}
.brand-logo {
  width: 40px; height: 40px;
  border-radius: 10px;
  box-shadow: 0 0 0 1px rgba(0,174,239,.25), 0 6px 18px rgba(0,174,239,.2);
  object-fit: cover;
}
.brand-text {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
  letter-spacing: 0.02em;
}
.site-nav .nav-link {
  font-family: var(--ff-display);
  font-weight: 500;
  color: var(--ink-200) !important;
  padding: 10px 18px !important;
  font-size: 0.95rem;
  border-radius: var(--r-pill);
  position: relative;
  transition: color .2s ease;
}
.site-nav .nav-link:hover { color: #fff !important; }
.site-nav .nav-link.active { color: #fff !important; }
.site-nav .nav-link.active::after {
  content: '';
  position: absolute;
  left: 50%; transform: translateX(-50%);
  bottom: 4px;
  width: 18px; height: 2px;
  background: var(--grad-brand);
  border-radius: 2px;
}

/* Custom hamburger */
.navbar-toggler {
  border: none;
  padding: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
}
.navbar-toggler:focus { box-shadow: 0 0 0 .2rem rgba(0, 174, 239, 0.25); }
.navbar-toggler .toggler-bar {
  display: block;
  width: 22px; height: 2px;
  background: #fff;
  margin: 4px 0;
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}

@media (max-width: 991px) {
  .site-nav .navbar-collapse {
    background: rgba(4, 14, 28, 0.96);
    border: 1px solid rgba(0, 174, 239, 0.15);
    border-radius: 16px;
    padding: 18px;
    margin-top: 14px;
  }
  .site-nav .btn { width: 100%; justify-content: center; margin-top: 10px; }
}

/* =============== Sections =============== */
.section { padding: 110px 0; position: relative; }
@media (max-width: 767px) { .section { padding: 80px 0; } }

.section-head { text-align: center; max-width: 760px; margin: 0 auto 60px; }
.section-eyebrow {
  display: inline-block;
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  background: var(--grad-soft);
  border: 1px solid rgba(0, 174, 239, 0.25);
}
.section-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  line-height: 1.15;
  margin-bottom: 18px;
}
.section-lead {
  color: var(--ink-200);
  font-size: 1.05rem;
  margin: 0;
}

/* =============== Hero =============== */
.hero {
  padding: 160px 0 90px;
  position: relative;
}
@media (max-width: 767px) { .hero { padding: 130px 0 60px; } }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-200);
  margin-bottom: 28px;
}
.eyebrow-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 12px var(--blue);
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.4); }
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 600px;
}
.hero-sub {
  color: var(--ink-200);
  font-size: 1.1rem;
  line-height: 1.7;
  margin: 0 0 36px;
  max-width: 520px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 48px; }

.trust-row {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  max-width: 520px;
  flex-wrap: wrap;
}
.trust-item { display: flex; flex-direction: column; }
.trust-num {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.8rem;
  color: #fff;
  line-height: 1;
}
.trust-label {
  font-size: 0.82rem;
  color: var(--ink-300);
  margin-top: 6px;
}
.trust-sep {
  width: 1px; height: 36px;
  background: rgba(255, 255, 255, 0.1);
}

/* ---- Hero SaaS Mockup (pure HTML/CSS) ---- */
.mockup {
  position: relative;
  perspective: 1400px;
}
.mockup-window {
  background: linear-gradient(160deg, rgba(11, 31, 58, 0.95), rgba(6, 20, 38, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(0, 174, 239, 0.08) inset,
    0 20px 60px rgba(108, 59, 255, 0.25);
  overflow: hidden;
  transform: rotateY(-6deg) rotateX(3deg);
  transition: transform .6s ease;
}
.mockup:hover .mockup-window { transform: rotateY(-2deg) rotateX(1deg); }

.mockup-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.mockup-bar .dot {
  width: 11px; height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.mockup-bar .red    { background: #ff5f57; }
.mockup-bar .yellow { background: #febc2e; }
.mockup-bar .green  { background: #28c840; }
.url-pill {
  margin-left: auto;
  font-family: var(--ff-display);
  font-size: 0.78rem;
  color: var(--ink-200);
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.mockup-body { display: grid; grid-template-columns: 130px 1fr; min-height: 320px; }

/* Sidebar */
.mk-side {
  padding: 18px 14px;
  background: rgba(255, 255, 255, 0.02);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  display: flex; flex-direction: column;
}
.mk-logo { display: flex; align-items: center; gap: 8px; margin-bottom: 22px; }
.mk-logo-mark {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: var(--grad-brand);
  box-shadow: 0 4px 14px rgba(0, 174, 239, 0.5);
}
.mk-logo-text {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
}
.mk-menu { list-style: none; padding: 0; margin: 0; flex: 1; }
.mk-menu li {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.78rem;
  color: var(--ink-300);
  margin-bottom: 4px;
  font-family: var(--ff-display);
  font-weight: 500;
  transition: background .2s;
}
.mk-menu li i { font-size: 0.95rem; }
.mk-menu li.active {
  background: var(--grad-soft);
  color: #fff;
  border: 1px solid rgba(0, 174, 239, 0.25);
}
.mk-upgrade {
  padding: 12px;
  border-radius: 10px;
  background: var(--grad-soft);
  border: 1px solid rgba(108, 59, 255, 0.3);
  text-align: left;
  margin-top: 14px;
}
.badge-pill {
  display: inline-block;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  background: var(--grad-brand);
  color: #fff;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.mk-upgrade p {
  margin: 0;
  font-size: 0.72rem;
  color: var(--ink-200);
  line-height: 1.3;
}

/* Main */
.mk-main { padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.mk-row-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mk-stat {
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
}
.mk-label {
  display: block;
  font-size: 0.7rem;
  color: var(--ink-300);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: var(--ff-display);
  font-weight: 500;
}
.mk-value {
  display: block;
  font-family: var(--ff-display);
  font-weight: 700;
  color: #fff;
  font-size: 1.15rem;
  margin-top: 3px;
}
.mk-delta {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: var(--r-pill);
}
.mk-delta.up {
  color: #3ee6b5;
  background: rgba(62, 230, 181, 0.1);
}

.mk-chart {
  padding: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  flex: 1;
  min-height: 160px;
  display: flex; flex-direction: column;
}
.mk-chart-head {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--ff-display);
  font-weight: 500;
  color: #fff;
  font-size: 0.82rem;
  margin-bottom: 8px;
}
.mk-chip {
  padding: 3px 9px;
  border-radius: var(--r-pill);
  background: rgba(0, 174, 239, 0.12);
  color: var(--blue);
  font-size: 0.7rem;
  border: 1px solid rgba(0, 174, 239, 0.25);
}
.mk-svg { width: 100%; height: 80px; }
.mk-bars {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  align-items: end;
  height: 40px;
  margin-top: 8px;
}
.mk-bars span {
  height: var(--h);
  background: var(--grad-brand);
  border-radius: 3px 3px 0 0;
  opacity: 0.85;
  transition: opacity .25s;
}
.mk-bars span:hover { opacity: 1; }

/* Floating card */
.float-card {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: linear-gradient(145deg, rgba(11, 31, 58, 0.98), rgba(6, 20, 38, 0.98));
  border: 1px solid rgba(0, 174, 239, 0.3);
  border-radius: 14px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--sh-md);
  animation: floaty 5s ease-in-out infinite;
}
@keyframes floaty {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.fc-ico {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--grad-brand);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}
.fc-title {
  font-family: var(--ff-display);
  font-weight: 600;
  color: #fff;
  font-size: 0.85rem;
}
.fc-sub { font-size: 0.75rem; color: var(--ink-300); }

@media (max-width: 991px) {
  .mockup { margin-top: 40px; }
  .mockup-window { transform: none; }
  .float-card { left: 10px; bottom: -10px; }
}
@media (max-width: 575px) {
  .mockup-body { grid-template-columns: 1fr; }
  .mk-side { display: none; }
}

/* =============== Services =============== */
.svc-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 32px 28px;
  height: 100%;
  transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease, background .35s ease;
  position: relative;
  overflow: hidden;
}
.svc-card::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  border-radius: 18px;
  background: var(--grad-brand);
  opacity: 0;
  z-index: -1;
  transition: opacity .35s ease;
}
.svc-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 174, 239, 0.35);
  background: rgba(255, 255, 255, 0.09);
  box-shadow: 0 20px 60px rgba(0, 174, 239, 0.18);
}
.svc-ico {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--grad-brand);
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 20px;
  box-shadow: 0 10px 24px rgba(0, 174, 239, 0.35);
}
.svc-card h3 {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 10px;
}
.svc-card p {
  color: var(--ink-200);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0;
}

/* =============== Benefits =============== */
.bnf-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 30px 26px;
  height: 100%;
  transition: transform .35s ease, border-color .35s ease, background .35s ease;
}
.bnf-card:hover {
  transform: translateY(-4px);
  border-color: rgba(108, 59, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
}
.bnf-ico {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--grad-soft);
  border: 1px solid rgba(0, 174, 239, 0.3);
  color: var(--blue);
  font-size: 1.3rem;
  margin-bottom: 16px;
}
.bnf-card h3 {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 8px;
}
.bnf-card p {
  color: var(--ink-200);
  font-size: 0.93rem;
  line-height: 1.6;
  margin: 0;
}

/* =============== About =============== */
.about-p {
  color: var(--ink-200);
  font-size: 1.02rem;
  line-height: 1.8;
  margin-bottom: 14px;
}
.about-p strong { color: #fff; font-weight: 600; }

.highlight-card {
  margin-top: 28px;
  padding: 26px 28px;
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(0,174,239,0.12), rgba(108,59,255,0.12)),
    rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 174, 239, 0.25);
  position: relative;
  overflow: hidden;
}
.highlight-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--grad-brand);
}
.highlight-card i {
  font-size: 1.6rem;
  color: var(--blue);
  margin-bottom: 10px;
  display: block;
}
.highlight-card p {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1.1rem;
  color: #fff;
  margin: 0;
  line-height: 1.5;
}

/* Collab list */
.collab-wrap {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 36px 32px;
  backdrop-filter: blur(10px);
}
.collab-title {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 24px;
  color: #fff;
}
.collab-list { list-style: none; padding: 0; margin: 0; }
.collab-list li {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.collab-list li:last-child { border-bottom: none; padding-bottom: 0; }
.collab-list li:first-child { padding-top: 0; }
.collab-num {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--grad-brand);
  color: #fff;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(0, 174, 239, 0.3);
}
.collab-list h4 {
  font-family: var(--ff-display);
  font-weight: 600;
  color: #fff;
  font-size: 1.05rem;
  margin: 0 0 4px;
}
.collab-list p { color: var(--ink-200); font-size: 0.93rem; margin: 0; line-height: 1.55; }

/* =============== Contact =============== */
.contact-info {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
}
.contact-info li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  color: var(--ink-100);
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 1rem;
}
.contact-info i {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--grad-soft);
  border: 1px solid rgba(0, 174, 239, 0.25);
  color: var(--blue);
  display: inline-flex;
  align-items: center; justify-content: center;
  font-size: 1rem;
}
.contact-info a:hover { color: var(--blue); }

.contact-form {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 36px;
  backdrop-filter: blur(16px);
}
.contact-form label {
  display: block;
  font-family: var(--ff-display);
  font-weight: 500;
  color: var(--ink-100);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  background: rgba(4, 14, 28, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  border-radius: 12px;
  padding: 13px 16px;
  font-family: var(--ff-body);
  font-size: 0.97rem;
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: rgba(4, 14, 28, 0.7);
  box-shadow: 0 0 0 4px rgba(0, 174, 239, 0.15);
}
.contact-form select option {
  background: var(--navy-900);
  color: #fff;
}
.form-hint { color: var(--ink-300); font-size: 0.82rem; }
.form-status { min-height: 20px; font-size: 0.9rem; color: var(--blue); font-family: var(--ff-display); font-weight: 500; }
.form-status.error { color: #ff6b8a; }

/* =============== Footer =============== */
.site-footer {
  background: linear-gradient(180deg, rgba(4, 14, 28, 0) 0%, rgba(4, 14, 28, 1) 50%);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 70px 0 30px;
  color: var(--ink-200);
}
.footer-slogan {
  color: var(--ink-300);
  margin: 0 0 18px;
  max-width: 320px;
  line-height: 1.6;
}
.footer-title {
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 18px;
}
.footer-contact,
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-contact li,
.footer-links li { padding: 5px 0; font-size: 0.93rem; }
.footer-contact i { color: var(--blue); margin-right: 8px; }
.footer-links a:hover,
.footer-contact a:hover { color: var(--blue); }
.social-row a {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--ink-100);
  margin-right: 8px;
  transition: all .25s;
}
.social-row a:hover {
  background: var(--grad-brand);
  border-color: transparent;
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--sh-glow);
}
.footer-fine { font-size: 0.85rem; color: var(--ink-300); line-height: 1.6; }
.footer-hr { border-color: rgba(255, 255, 255, 0.08); margin: 36px 0 20px; }
.text-dim { color: var(--ink-400) !important; }

/* =============== Scroll-top =============== */
.scroll-top {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--grad-brand);
  border: none;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: var(--sh-glow);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity .3s, transform .3s;
  z-index: 1050;
}
.scroll-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.scroll-top:hover { filter: brightness(1.1); }

/* =============== Reveal on scroll =============== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }