/* Kotch SRL · landing styles */

:root {
  --kotch-red: #E30613;
  --kotch-red-dark: #B7050F;
  --kotch-red-soft: rgba(227, 6, 19, 0.12);
  --kotch-red-glow: rgba(227, 6, 19, 0.35);
  --bg: #0E1014;
  --bg-elev: #15181F;
  --bg-card: #1A1E26;
  --bg-card-hover: #1F2430;
  --border: #262B35;
  --border-bright: #353B47;
  --text: #F5F6F7;
  --text-soft: #C9CCD2;
  --text-muted: #8A8F99;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,.35);
  --shadow-lg: 0 20px 48px rgba(0,0,0,.45);
  --shadow-red: 0 12px 40px rgba(227,6,19,.25);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --container: 1200px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 .6em;
  color: var(--text);
}
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; color: var(--text-soft); }

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .75rem;
  font-weight: 600;
  color: var(--kotch-red);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--kotch-red);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: .95rem;
  border: 1px solid transparent;
  transition: transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: var(--kotch-red);
  color: #fff;
  box-shadow: var(--shadow-red);
}
.btn-primary:hover {
  background: var(--kotch-red-dark);
  transform: translateY(-2px);
  box-shadow: 0 18px 50px rgba(227,6,19,.4);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-bright);
}
.btn-ghost:hover {
  background: var(--bg-card);
  border-color: var(--kotch-red);
  transform: translateY(-2px);
}

/* ----- Header / Nav ----- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  padding: 14px 0;
  background: rgba(14,16,20,.65);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), padding .3s var(--ease);
}
.site-header.scrolled {
  background: rgba(14,16,20,.92);
  border-bottom-color: var(--border);
  padding: 10px 0;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand img { height: 38px; width: auto; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu a {
  display: inline-block;
  padding: 8px 14px;
  color: var(--text-soft);
  font-size: .92rem;
  font-weight: 500;
  border-radius: 8px;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-menu a:hover { color: var(--text); background: var(--bg-card); }
.nav-cta { margin-left: 8px; }

.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px;
  border-radius: 8px;
}

/* ----- Hero ----- */
.hero {
  position: relative;
  padding: 160px 0 100px;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(800px 400px at 75% 0%, var(--kotch-red-soft), transparent 60%),
    radial-gradient(600px 300px at 0% 100%, rgba(227,6,19,.07), transparent 60%),
    linear-gradient(180deg, #0B0D11 0%, #0E1014 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 40%, transparent 100%);
  z-index: -1;
}
.hero-bolt {
  position: absolute;
  right: -120px;
  top: 80px;
  width: 600px;
  opacity: .06;
  z-index: -1;
  pointer-events: none;
  transform: rotate(-8deg);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 60px;
  align-items: center;
}
.hero h1 strong { color: var(--kotch-red); font-weight: 700; }
.hero p.lead {
  font-size: 1.125rem;
  color: var(--text-soft);
  max-width: 560px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  max-width: 540px;
}
.hero-stats .stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.02em;
}
.hero-stats .stat-num span { color: var(--kotch-red); }
.hero-stats .stat-label {
  font-size: .82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 480px;
  margin-left: auto;
}
.hero-visual .ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid var(--border-bright);
  animation: spin 40s linear infinite;
}
.hero-visual .ring-2 {
  inset: 30px;
  border-color: rgba(227,6,19,.2);
  animation-duration: 30s;
  animation-direction: reverse;
}
.hero-visual .ring-3 {
  inset: 64px;
  border-color: rgba(227,6,19,.35);
  animation-duration: 22s;
}
.hero-visual .glow {
  position: absolute;
  inset: 100px;
  background: radial-gradient(circle, var(--kotch-red-glow) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(20px);
  animation: pulse 3.5s ease-in-out infinite;
}
.hero-visual .logo-center {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.hero-visual .logo-center img {
  width: 60%;
  filter: drop-shadow(0 10px 30px rgba(227,6,19,.4));
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse {
  0%, 100% { opacity: .6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

/* ----- Sections ----- */
section {
  padding: 100px 0;
  position: relative;
}
.section-head {
  max-width: 720px;
  margin: 0 auto 60px;
  text-align: center;
}
.section-head p { color: var(--text-soft); font-size: 1.05rem; }

/* ----- Services ----- */
.services {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.service-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease);
}
.service-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--kotch-red), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(227,6,19,.4);
  background: var(--bg-card-hover);
}
.service-card:hover::after { transform: scaleX(1); }
.service-icon {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--kotch-red-soft);
  color: var(--kotch-red);
  margin-bottom: 18px;
  transition: background .35s var(--ease), transform .35s var(--ease);
}
.service-icon svg { width: 26px; height: 26px; }
.service-card:hover .service-icon {
  background: var(--kotch-red);
  color: #fff;
  transform: scale(1.05);
}
.service-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
.service-card p { font-size: .96rem; margin: 0; color: var(--text-soft); }

/* ----- Why us ----- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.why-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 18px; }
.why-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  align-items: start;
}
.why-list .check {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--kotch-red-soft);
  color: var(--kotch-red);
}
.why-list .check svg { width: 18px; height: 18px; }
.why-list strong { display: block; color: var(--text); margin-bottom: 4px; }
.why-list span { color: var(--text-soft); font-size: .96rem; }

.why-visual {
  position: relative;
  background: linear-gradient(135deg, #1A1E26 0%, #0E1014 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  overflow: hidden;
}
.why-visual::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(circle, var(--kotch-red-soft) 0%, transparent 70%);
  pointer-events: none;
}
.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  position: relative;
}
.metric {
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.metric:hover { border-color: var(--kotch-red); background: rgba(227,6,19,.06); }
.metric .num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--kotch-red);
  letter-spacing: -.02em;
  line-height: 1;
}
.metric .label {
  margin-top: 8px;
  color: var(--text-soft);
  font-size: .9rem;
}

/* ----- Specialties (electrical focus with photo slot) ----- */
.specialties { padding: 100px 0; }
.specialties-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.specialty-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .35s var(--ease), border-color .35s var(--ease);
}
.specialty-card:hover {
  transform: translateY(-6px);
  border-color: rgba(227,6,19,.4);
}
.specialty-photo {
  position: relative;
  aspect-ratio: 16 / 11;
  width: 100%;
  background:
    linear-gradient(135deg, rgba(227,6,19,.18) 0%, rgba(227,6,19,0) 60%),
    linear-gradient(180deg, #1F2430 0%, #15181F 100%);
  overflow: hidden;
}
.specialty-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease), opacity .35s var(--ease);
}
.specialty-card:hover .specialty-photo img { transform: scale(1.06); }
.specialty-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,.55) 100%);
  pointer-events: none;
}
.specialty-photo .specialty-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--kotch-red);
  opacity: .25;
  z-index: 0;
}
.specialty-photo .specialty-fallback svg { width: 90px; height: 90px; }
.specialty-photo.no-image {
  background:
    radial-gradient(circle at 30% 30%, rgba(227,6,19,.22) 0%, transparent 60%),
    repeating-linear-gradient(135deg, rgba(255,255,255,.018) 0 10px, transparent 10px 20px),
    linear-gradient(180deg, #1F2430 0%, #0E1014 100%);
}
.specialty-photo.no-image .specialty-fallback { opacity: .5; }
.specialty-body {
  padding: 26px 26px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.specialty-body h3 { margin-bottom: 10px; font-size: 1.2rem; }
.specialty-body p { color: var(--text-soft); margin: 0 0 18px; font-size: .96rem; flex: 1; }
.specialty-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--kotch-red);
  font-weight: 600;
  font-size: .92rem;
  transition: gap .25s var(--ease), color .25s var(--ease);
}
.specialty-link svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.specialty-link:hover { color: var(--kotch-red-dark); gap: 14px; }
.specialty-link:hover svg { transform: translateX(2px); }

/* ----- Process card ----- */
.process-card {
  background:
    radial-gradient(400px 220px at 0% 0%, rgba(227,6,19,.1), transparent 60%),
    linear-gradient(180deg, var(--bg-card) 0%, var(--bg-elev) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.process-head .eyebrow { margin-bottom: 8px; }
.process-head h3 { font-size: 1.5rem; margin-bottom: 8px; }
.process-head p { color: var(--text-soft); font-size: .96rem; margin: 0; }
.process-steps {
  list-style: none;
  padding: 0;
  margin: 4px 0;
  display: grid;
  gap: 14px;
}
.process-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: 14px 16px;
  background: rgba(255,255,255,.02);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color .25s var(--ease), background .25s var(--ease), transform .25s var(--ease);
}
.process-steps li:hover {
  border-color: rgba(227,6,19,.4);
  background: rgba(227,6,19,.04);
  transform: translateX(4px);
}
.process-steps .step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--kotch-red);
  letter-spacing: -.02em;
  min-width: 36px;
}
.process-steps strong { display: block; color: var(--text); margin-bottom: 2px; font-weight: 600; font-size: .98rem; }
.process-steps span { color: var(--text-soft); font-size: .9rem; }
.process-card .btn { align-self: flex-start; margin-top: 4px; }

/* ----- Clients ----- */
.clients { background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.clients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.client {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: .98rem;
  color: var(--text-soft);
  letter-spacing: -.01em;
  transition: transform .3s var(--ease), border-color .3s var(--ease), color .3s var(--ease);
  position: relative;
}
.client:hover {
  transform: translateY(-4px);
  border-color: var(--kotch-red);
  color: var(--text);
}
.client small {
  display: block;
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: .72rem;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* ----- CTA banner ----- */
.cta-banner {
  padding: 80px 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(227,6,19,.18), transparent 50%),
    linear-gradient(135deg, #15181F 0%, #0E1014 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-inner h2 { margin: 0 0 8px; }
.cta-inner p { margin: 0; color: var(--text-soft); }

/* ----- Contact ----- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  gap: 22px;
}
.contact-row {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  align-items: start;
}
.contact-row .ico {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--kotch-red-soft);
  color: var(--kotch-red);
  transition: background .25s var(--ease), color .25s var(--ease);
}
.contact-row:hover .ico { background: var(--kotch-red); color: #fff; }
.contact-row .ico svg { width: 20px; height: 20px; }
.contact-row strong { display: block; color: var(--text); margin-bottom: 2px; font-weight: 600; }
.contact-row a, .contact-row span { color: var(--text-soft); font-size: .96rem; }
.contact-row a:hover { color: var(--kotch-red); }

/* ----- Footer ----- */
.site-footer {
  background: #08090C;
  border-top: 1px solid var(--border);
  padding: 50px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-grid h4 {
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.footer-grid a { color: var(--text-soft); font-size: .92rem; transition: color .2s var(--ease); }
.footer-grid a:hover { color: var(--kotch-red); }
.footer-brand img { height: 44px; margin-bottom: 14px; }
.footer-brand p { font-size: .92rem; max-width: 340px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: .82rem;
  color: var(--text-muted);
}

/* ----- Floating WhatsApp ----- */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  box-shadow: 0 12px 30px rgba(37,211,102,.4);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.wa-float:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 18px 40px rgba(37,211,102,.55); }
.wa-float svg { width: 26px; height: 26px; }
.wa-float::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid #25D366;
  opacity: .5;
  animation: ring 2s ease-out infinite;
}
@keyframes ring {
  0% { transform: scale(.9); opacity: .7; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* ----- Reveal animations ----- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].in {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-delay="1"].in { transition-delay: .08s; }
[data-reveal-delay="2"].in { transition-delay: .16s; }
[data-reveal-delay="3"].in { transition-delay: .24s; }
[data-reveal-delay="4"].in { transition-delay: .32s; }
[data-reveal-delay="5"].in { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .hero-visual .ring, .hero-visual .glow, .wa-float::after { animation: none; }
}

/* ----- Responsive ----- */
@media (max-width: 1024px) {
  .hero-grid, .why-grid, .contact-grid { grid-template-columns: 1fr; gap: 50px; }
  .hero-visual { margin: 0 auto; max-width: 360px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .specialties-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  section, .specialties { padding: 70px 0; }
  .hero { padding: 130px 0 70px; }
  .nav-menu { display: none; position: absolute; top: 100%; left: 16px; right: 16px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; flex-direction: column; align-items: stretch; gap: 4px; }
  .nav-menu.open { display: flex; }
  .nav-menu a { width: 100%; padding: 12px 14px; }
  .nav-cta { display: none; }
  .menu-toggle { display: inline-flex; }
  .services-grid { grid-template-columns: 1fr; }
  .specialties-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .metric-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr; gap: 16px; }
  .hero-stats > div { display: flex; align-items: baseline; gap: 14px; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; align-items: stretch; }
  .cta-inner > div:first-child { text-align: center; }
  .process-card { padding: 24px; }
}