:root {
  --bg: #000000;
  --paper: #08090b;
  --ink: #f5f5f7;
  --muted: #a1a1a6;
  --line: rgba(255, 255, 255, 0.1);
  --blue: #2ea8ff;
  --blue-dark: #0a84ff;
  --green: #17a866;
  --shadow: 0 34px 90px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Inter", "Segoe UI", Arial, Helvetica, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  min-height: 76px;
  padding: 12px clamp(18px, 4vw, 64px);
  background: rgba(5, 6, 8, 0.78);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(24px);
}

.brand,
.header-actions,
.actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 14px 35px rgba(0, 113, 227, 0.18);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.05;
}

.brand strong {
  font-size: 20px;
}

.brand small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 600;
}

nav a:hover {
  color: var(--blue);
}

.primary-button,
.ghost-button,
.call-button,
.whatsapp-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  white-space: nowrap;
}

.primary-button {
  color: white;
  background: linear-gradient(180deg, var(--blue), var(--blue-dark));
  box-shadow: 0 18px 45px rgba(46, 168, 255, 0.22);
}

.primary-button:hover {
  background: var(--blue-dark);
}

.ghost-button {
  color: white;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
}

.call-button {
  color: #07111c;
  background: #f5f5f7;
}

.whatsapp-button {
  color: white;
  background: #20b26b;
  box-shadow: 0 18px 45px rgba(32, 178, 107, 0.18);
}

.big {
  min-height: 52px;
  padding: 0 28px;
  font-size: 17px;
}

.hero,
.page-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(22px, 4vw, 58px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(44px, 7vw, 92px) clamp(18px, 5vw, 80px);
  background:
    radial-gradient(circle at 70% 10%, rgba(46, 168, 255, 0.2), transparent 32%),
    linear-gradient(180deg, #07080a 0%, #000 100%);
}

.hero-banner {
  grid-template-columns: minmax(0, 780px);
  overflow: hidden;
  background-image:
    linear-gradient(90deg, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.78) 28%, rgba(0, 0, 0, 0.32) 58%, rgba(0, 0, 0, 0.2) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.16), rgba(0, 0, 0, 0.72)),
    url("/assets/protech-hero-banner.jpg");
  background-position: center;
  background-size: cover;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero h1,
.page-hero h1 {
  max-width: 860px;
  margin: 0;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 1;
  letter-spacing: 0;
  font-weight: 780;
}

.hero-copy > p:not(.eyebrow),
.page-hero p:not(.eyebrow),
.split-section p {
  max-width: 700px;
  color: rgba(245, 245, 247, 0.72);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.42;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-visual,
.page-hero img {
  overflow: hidden;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: #111318;
  box-shadow: var(--shadow);
}

.hero-visual img,
.page-hero img {
  width: 100%;
  height: min(66vh, 660px);
  object-fit: cover;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 760px;
  margin-top: 26px;
}

.trust-row span,
.feature-list span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 11px 15px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.07);
  font-weight: 700;
}

.section-heading,
.why-section,
.process-section,
.guide-preview,
.reviews,
.split-section,
.cta-band,
.footer {
  padding: clamp(56px, 8vw, 110px) clamp(18px, 5vw, 80px);
}

.section-heading {
  background: #000;
}

.section-heading h2,
.why-section h2,
.process-section h2,
.guide-preview h2,
.split-section h2,
.cta-band h2,
.footer h2 {
  max-width: 940px;
  margin: 0;
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1.02;
  letter-spacing: 0;
}

.category-showcase {
  background: #000;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 0 clamp(18px, 5vw, 80px) clamp(56px, 8vw, 110px);
}

.category-card,
.service-card,
.reviews article {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 100%, rgba(46, 168, 255, 0.12), transparent 44%),
    #090a0d;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

.category-card.wide {
  grid-column: 1 / -1;
}

.category-card img,
.service-card img {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 68%;
  object-fit: contain;
  object-position: center bottom;
  padding: 0 clamp(14px, 3vw, 46px) clamp(18px, 3vw, 42px);
}

.category-card::after,
.service-card::after {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.72), transparent 34%);
}

.category-card div,
.service-card div {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 42px 34px;
  text-align: center;
}

.category-card h3,
.service-card h3 {
  margin: 0;
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1;
  letter-spacing: 0;
  color: white;
  font-weight: 760;
}

.category-card p,
.service-card p {
  max-width: 580px;
  margin: 14px auto 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 18px;
  line-height: 1.38;
}

.category-card span,
.service-card span {
  margin-top: 18px;
  color: var(--blue);
  font-weight: 800;
}

.service-card em {
  margin-top: 16px;
  color: var(--blue);
  font-style: normal;
  font-weight: 800;
}

.why-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  background: #050608;
  color: white;
}

.why-grid,
.process-grid,
.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.why-grid article,
.process-grid article,
.footer-grid > * {
  min-height: 170px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.06);
}

.why-grid article span {
  display: block;
  width: 34px;
  height: 34px;
  margin-bottom: 36px;
  border-radius: 50%;
  background: var(--blue);
}

.why-grid h3,
.process-grid h3 {
  margin: 0;
  font-size: 24px;
  line-height: 1.15;
}

.process-section {
  background: #000;
}

.process-grid {
  margin-top: 34px;
}

.process-grid article {
  border-color: var(--line);
  background: #0a0b0f;
}

.process-grid strong {
  color: var(--blue);
  font-size: 18px;
}

.process-grid p {
  color: rgba(255, 255, 255, 0.62);
  font-size: 17px;
  line-height: 1.45;
}

.guide-preview {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
}

.guide-list {
  display: grid;
  gap: 12px;
}

.guide-list a {
  border-radius: 20px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  background: #0a0b0f;
  color: white;
  font-size: 21px;
  font-weight: 800;
}

.reviews {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding-top: 0;
}

.reviews article {
  min-height: 300px;
  padding: 38px;
  background: linear-gradient(145deg, #101114, #050608);
  color: white;
}

.reviews p {
  margin: 0 0 28px;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.12;
}

.reviews span {
  color: rgba(255, 255, 255, 0.62);
  font-weight: 700;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: clamp(28px, 5vw, 70px) clamp(18px, 5vw, 80px);
}

.service-card {
  min-height: 500px;
}

.service-card h3 {
  font-size: clamp(28px, 3.4vw, 46px);
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  background: #050608;
}

.feature-list {
  display: flex;
  align-content: start;
  flex-wrap: wrap;
  gap: 12px;
}

.cta-band {
  display: grid;
  place-items: center;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(46, 168, 255, 0.24), transparent 34%),
    #000;
  color: white;
}

.cta-band .actions {
  margin: 28px 0 18px;
}

.cta-band > a {
  color: rgba(255, 255, 255, 0.72);
  font-weight: 700;
}

.footer {
  background: #050506;
  color: white;
}

.footer-grid {
  margin-top: 34px;
}

.footer-grid span {
  display: block;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 700;
}

.footer-grid strong {
  display: block;
  font-size: 20px;
  line-height: 1.35;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 980px) {
  .site-header {
    position: relative;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    overflow-x: auto;
    width: 100%;
    padding-bottom: 4px;
  }

  .header-actions {
    width: 100%;
  }

  .header-actions a {
    flex: 1;
  }

  .hero,
  .page-hero,
  .why-section,
  .guide-preview,
  .split-section {
    grid-template-columns: 1fr;
  }

  .hero,
  .page-hero {
    min-height: auto;
  }

  .category-grid,
  .service-grid,
  .reviews,
  .why-grid,
  .process-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .hero h1,
  .page-hero h1 {
    font-size: 42px;
  }

  .actions,
  .header-actions {
    flex-direction: column;
  }

  .actions a,
  .header-actions a {
    width: 100%;
  }

  .hero-visual img,
  .page-hero img {
    height: 360px;
  }

  .category-card,
  .service-card {
    min-height: 430px;
    border-radius: 22px;
  }

  .category-card div,
  .service-card div {
    padding: 30px 22px;
  }

  .footer-bottom {
    flex-direction: column;
  }
}