/* =========================================================
   GRIDPART CEILINGS & PARTITIONS
   Modern Blue Corporate Theme
   ========================================================= */

:root {
  --primary: #0756a3;
  --primary-dark: #032d5c;
  --primary-deep: #021d3d;
  --primary-light: #eaf4ff;
  --accent: #1fa2ff;
  --accent-light: #72c7ff;

  --white: #ffffff;
  --off-white: #f7faff;
  --light-grey: #edf2f7;
  --border: #dbe7f3;

  --text: #172033;
  --text-light: #607086;
  --shadow: 0 18px 45px rgba(3, 45, 92, 0.12);
  --shadow-hover: 0 25px 55px rgba(3, 45, 92, 0.2);

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 85px;
}

body {
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

button,
input,
textarea {
  font: inherit;
}

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

/* =========================================================
   HEADER AND NAVIGATION
   ========================================================= */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(7, 86, 163, 0.1);
  box-shadow: 0 5px 25px rgba(3, 45, 92, 0.07);
}

.navbar {
  max-width: 1240px;
  min-height: 82px;
  margin: auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--white);
  font-size: 25px;
  font-weight: 800;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--primary-dark));
  box-shadow: 0 10px 25px rgba(7, 86, 163, 0.28);
}

.logo strong {
  display: block;
  color: var(--primary-dark);
  font-size: 20px;
  line-height: 1.1;
  letter-spacing: -0.4px;
}

.logo small {
  display: block;
  margin-top: 3px;
  color: var(--text-light);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.3px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 7px;
}

.nav-links a {
  position: relative;
  padding: 10px 14px;
  color: #26364c;
  font-size: 14px;
  font-weight: 650;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-links a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 5px;
  height: 2px;
  border-radius: 10px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-links .nav-cta {
  margin-left: 8px;
  padding: 11px 21px;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 10px 22px rgba(7, 86, 163, 0.22);
}

.nav-links .nav-cta:hover {
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(7, 86, 163, 0.3);
}

.menu-btn {
  display: none;
  color: var(--primary-dark);
  background: transparent;
  border: none;
  font-size: 28px;
  cursor: pointer;
}

/* =========================================================
   HERO
   ========================================================= */

.hero {
  position: relative;
  min-height: 820px;
  padding: 175px 24px 110px;
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(110deg, rgba(1, 20, 43, 0.96), rgba(3, 60, 116, 0.88)),
    url("images/hero.jpg") center/cover no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  top: -230px;
  right: -120px;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(31, 162, 255, 0.36),
    transparent 68%
  );
}

.hero::after {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  bottom: -180px;
  left: -110px;
  z-index: -1;
  border-radius: 50%;
  background: rgba(31, 162, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(
      90deg,
      rgba(1, 18, 40, 0.35),
      rgba(1, 18, 40, 0.04)
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 119px,
      rgba(255, 255, 255, 0.035) 120px
    );
}

.hero-content {
  width: 100%;
  max-width: 1240px;
  margin: auto;
  color: var(--white);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2.1px;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 38px;
  height: 3px;
  border-radius: 10px;
  background: var(--accent);
}

.eyebrow.dark {
  color: var(--primary);
}

.hero h1 {
  max-width: 930px;
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 74px);
  line-height: 1.08;
  letter-spacing: -2.3px;
  text-wrap: balance;
}

.hero-text {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 38px;
}

.btn {
  min-height: 52px;
  padding: 14px 27px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 750;
  cursor: pointer;
  transition: var(--transition);
}

.btn.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--accent), var(--primary));
  box-shadow: 0 15px 32px rgba(31, 162, 255, 0.3);
}

.btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 38px rgba(31, 162, 255, 0.4);
}

.btn.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(10px);
}

.btn.secondary:hover {
  color: var(--primary-dark);
  background: var(--white);
  transform: translateY(-3px);
}

.btn.full {
  width: 100%;
}

/* =========================================================
   INTRO STRIP
   ========================================================= */

.intro-strip {
  position: relative;
  z-index: 5;
  max-width: 1180px;
  margin: -65px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.intro-strip > div {
  min-height: 145px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--white);
  border-right: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.intro-strip > div:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.intro-strip > div:last-child {
  border-right: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.intro-strip strong {
  margin-bottom: 7px;
  color: var(--primary-dark);
  font-size: 17px;
}

.intro-strip span {
  color: var(--text-light);
  font-size: 14px;
}

/* =========================================================
   GENERAL SECTIONS
   ========================================================= */

.section {
  max-width: 1240px;
  margin: auto;
  padding: 105px 24px;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 48px;
}

.section-heading h2,
.section-text h2,
.coverage-card h2,
.contact-content h2 {
  margin-bottom: 17px;
  color: var(--primary-deep);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: -1.3px;
}

.section-heading > p:last-child,
.section-text p,
.coverage-card p {
  color: var(--text-light);
}

.section-heading.light h2 {
  color: var(--white);
}

.section-heading.light > p:last-child {
  color: rgba(255, 255, 255, 0.72);
}

/* =========================================================
   ABOUT
   ========================================================= */

.about-section {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr;
  align-items: center;
  gap: 80px;
}

.section-text p {
  margin-bottom: 17px;
  font-size: 16px;
}

.about-card {
  position: relative;
  padding: 42px;
  overflow: hidden;
  color: var(--white);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, var(--primary), var(--primary-deep));
  box-shadow: var(--shadow-hover);
}

.about-card::after {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  right: -55px;
  bottom: -55px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.09);
}

.about-card h3 {
  position: relative;
  z-index: 2;
  margin-bottom: 23px;
  font-size: 25px;
}

.about-card ul {
  position: relative;
  z-index: 2;
  list-style: none;
}

.about-card li {
  position: relative;
  margin: 13px 0;
  padding-left: 29px;
  color: rgba(255, 255, 255, 0.88);
}

.about-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-light);
  font-weight: 900;
}

/* =========================================================
   SERVICES
   ========================================================= */

.services-section {
  max-width: none;
  padding-left: max(24px, calc((100vw - 1192px) / 2));
  padding-right: max(24px, calc((100vw - 1192px) / 2));
  background:
    linear-gradient(rgba(234, 244, 255, 0.76), rgba(247, 250, 255, 0.96)),
    radial-gradient(circle at top right, #cfeaff, transparent 40%);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 23px;
}

.service-card {
  position: relative;
  min-height: 265px;
  padding: 34px 30px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(7, 86, 163, 0.1);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(3, 45, 92, 0.06);
  transition: var(--transition);
}

.service-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 5px;
  height: 0;
  background: linear-gradient(var(--accent), var(--primary));
  transition: height var(--transition);
}

.service-card:hover {
  transform: translateY(-9px);
  border-color: rgba(31, 162, 255, 0.3);
  box-shadow: var(--shadow-hover);
}

.service-card:hover::before {
  height: 100%;
}

.service-card span {
  display: inline-block;
  margin-bottom: 32px;
  color: var(--accent);
  font-size: 15px;
  font-weight: 850;
  letter-spacing: 1px;
}

.service-card h3 {
  margin-bottom: 13px;
  color: var(--primary-deep);
  font-size: 22px;
}

.service-card p {
  color: var(--text-light);
  font-size: 15px;
}

/* =========================================================
   PROJECTS
   ========================================================= */

.projects-section {
  max-width: none;
  padding-left: max(24px, calc((100vw - 1192px) / 2));
  padding-right: max(24px, calc((100vw - 1192px) / 2));
  color: var(--white);
  background:
    radial-gradient(circle at top left, rgba(31, 162, 255, 0.21), transparent 32%),
    linear-gradient(135deg, #01172f, #033d76);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 17px;
}

.project-grid div {
  position: relative;
  min-height: 100px;
  padding: 25px 25px 25px 56px;
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 650;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.065);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.project-grid div::before {
  content: "";
  position: absolute;
  left: 23px;
  width: 12px;
  height: 12px;
  border: 3px solid var(--accent-light);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(31, 162, 255, 0.13);
}

.project-grid div:hover {
  transform: translateY(-5px);
  border-color: rgba(114, 199, 255, 0.5);
  background: rgba(255, 255, 255, 0.11);
}

/* =========================================================
   COVERAGE
   ========================================================= */

.coverage-section {
  max-width: none;
  padding: 105px max(24px, calc((100vw - 1192px) / 2));
  background:
    linear-gradient(90deg, rgba(247, 250, 255, 0.95), rgba(234, 244, 255, 0.83)),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 20px,
      rgba(7, 86, 163, 0.03) 21px
    );
}

.coverage-card {
  position: relative;
  max-width: 1000px;
  margin: auto;
  padding: 60px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid rgba(7, 86, 163, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.coverage-card::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -120px;
  top: -130px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    rgba(31, 162, 255, 0.16),
    rgba(7, 86, 163, 0.04)
  );
}

.coverage-card > * {
  position: relative;
  z-index: 2;
}

.coverage-points {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 30px;
}

.coverage-points span {
  padding: 10px 17px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  border: 1px solid #c9e2fa;
  border-radius: 50px;
  background: var(--primary-light);
  transition: var(--transition);
}

.coverage-points span:hover {
  color: var(--white);
  border-color: var(--primary);
  background: var(--primary);
  transform: translateY(-2px);
}

/* =========================================================
   WHY CHOOSE US
   ========================================================= */

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-grid > div {
  position: relative;
  padding: 35px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: 0 8px 25px rgba(3, 45, 92, 0.05);
  transition: var(--transition);
}

.why-grid > div::before {
  content: "";
  width: 48px;
  height: 6px;
  display: block;
  margin-bottom: 25px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
}

.why-grid > div:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow);
}

.why-grid h3 {
  margin-bottom: 11px;
  color: var(--primary-dark);
  font-size: 21px;
}

.why-grid p {
  color: var(--text-light);
}

/* =========================================================
   CONTACT
   ========================================================= */

.contact-section {
  position: relative;
  padding: 105px max(24px, calc((100vw - 1192px) / 2));
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  align-items: center;
  gap: 80px;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at bottom right, rgba(31, 162, 255, 0.28), transparent 36%),
    linear-gradient(135deg, #01162e, #043f7b);
}

.contact-section::before {
  content: "";
  position: absolute;
  width: 450px;
  height: 450px;
  top: -260px;
  left: -160px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.contact-content,
.contact-form {
  position: relative;
  z-index: 2;
}

.contact-content h2 {
  color: var(--white);
}

.contact-content > p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.75);
}

.contact-boxes {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.contact-boxes a {
  padding: 10px 17px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.07);
  transition: var(--transition);
}

.contact-boxes a:hover {
  border-color: var(--accent-light);
  background: rgba(31, 162, 255, 0.18);
  transform: translateX(5px);
}

.contact-form {
  padding: 40px;
  color: var(--text);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
}

.contact-form label {
  display: block;
  margin-bottom: 19px;
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 750;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 8px;
  padding: 14px 15px;
  color: var(--text);
  outline: none;
  border: 1px solid #cfdeec;
  border-radius: 10px;
  background: #f9fbfe;
  transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(31, 162, 255, 0.12);
}

.contact-form textarea {
  min-height: 130px;
  resize: vertical;
}

/* =========================================================
   FOOTER
   ========================================================= */

.footer {
  padding: 25px 20px;
  color: rgba(255, 255, 255, 0.68);
  text-align: center;
  font-size: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #010e1e;
}

/* =========================================================
   RESPONSIVE DESIGN
   ========================================================= */

@media (max-width: 1050px) {
  .service-grid,
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-section,
  .contact-section {
    gap: 45px;
  }
}

@media (max-width: 850px) {
  .menu-btn {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 82px;
    left: 18px;
    right: 18px;
    padding: 18px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 3px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    padding: 13px 15px;
  }

  .nav-links .nav-cta {
    margin: 7px 0 0;
    text-align: center;
  }

  .hero {
    min-height: 740px;
    padding-top: 145px;
  }

  .hero h1 {
    letter-spacing: -1.5px;
  }

  .intro-strip {
    grid-template-columns: 1fr;
    margin-top: -45px;
  }

  .intro-strip > div {
    min-height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .intro-strip > div:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
  }

  .intro-strip > div:last-child {
    border-bottom: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
  }

  .about-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .navbar {
    padding: 0 17px;
  }

  .logo-mark {
    width: 43px;
    height: 43px;
  }

  .logo strong {
    font-size: 18px;
  }

  .logo small {
    font-size: 9px;
  }

  .hero {
    min-height: 720px;
    padding: 135px 19px 95px;
  }

  .hero h1 {
    font-size: 39px;
    letter-spacing: -1px;
  }

  .hero-text {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section,
  .services-section,
  .projects-section,
  .coverage-section,
  .contact-section {
    padding-top: 80px;
    padding-bottom: 80px;
  }

  .section-heading h2,
  .section-text h2,
  .coverage-card h2,
  .contact-content h2 {
    font-size: 34px;
  }

  .service-grid,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: auto;
  }

  .about-card,
  .coverage-card,
  .contact-form {
    padding: 30px 24px;
  }

  .project-grid div {
    min-height: 85px;
  }
}