/* ===================================================
   1CRSOLUTIONS LTD – style.css
   Aesthetic: Industrial precision / British commercial
   Palette: Navy, white, slate, green accent
=================================================== */

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

:root {
  --navy:       #0d1b2a;
  --navy-mid:   #1a2e44;
  --navy-light: #243b55;
  --green:      #2e7d52;
  --green-light:#3a9c66;
  --slate:      #4a5568;
  --slate-light:#718096;
  --mist:       #f4f6f8;
  --white:      #ffffff;
  --border:     #dde3ea;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --transition:  0.25s ease;
  --radius:      6px;
  --shadow:      0 4px 24px rgba(13,27,42,0.10);
  --shadow-lg:   0 12px 48px rgba(13,27,42,0.16);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--navy);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

/* CONTAINER */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 12px 26px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn--primary:hover {
  background: var(--green-light);
  border-color: var(--green-light);
  box-shadow: 0 6px 24px rgba(46,125,82,0.28);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}

.btn--lg { padding: 15px 34px; font-size: 1.05rem; }
.btn--full { width: 100%; }

/* SECTION LABELS & TITLES */
.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 10px;
}
.section-label--light { color: #6ee8a4; }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--navy);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}
.section-title--light { color: var(--white); }

.section-header {
  text-align: center;
  margin-bottom: 52px;
}
.section-header--light { text-align: center; margin-bottom: 52px; }

/* =====================
   HEADER
===================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.25); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1;
}
.logo__img {
  width: 58px;
  height: 58px;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 6px 14px rgba(0,0,0,0.22));
}
.logo__mark {
  font-size: 1.55rem;
  color: var(--green);
}
.logo__text {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.92);
  letter-spacing: 0.04em;
}

.nav { display: flex; align-items: center; gap: 6px; }
.nav__list {
  display: flex;
  list-style: none;
  gap: 2px;
  margin-right: 18px;
}
.nav__link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  padding: 6px 12px;
  border-radius: 4px;
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover {
  color: var(--white);
  background: rgba(255,255,255,0.07);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =====================
   HERO
===================== */
.hero {
  position: relative;
  padding-top: 145px;
  padding-bottom: 130px;
  background: var(--navy);
  overflow: hidden;
  min-height: 760px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46,125,82,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,125,82,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.7;
}

.hero__stripe {
  display: none;
}

.hero__inner { position: relative; z-index: 1; }

.hero__badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-light);
  border: 1px solid rgba(58,156,102,0.4);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 22px;
  letter-spacing: 0.01em;
  max-width: 740px;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.72);
  max-width: 580px;
  margin-bottom: 14px;
  font-weight: 300;
  line-height: 1.7;
}

.hero__tagline {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 38px;
}

.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* =====================
   OVERVIEW
===================== */
.overview {
  padding: 96px 0 88px;
  background: var(--white);
}

.overview__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.overview__body {
  color: var(--slate);
  font-size: 1.05rem;
  margin-top: 4px;
  line-height: 1.75;
}

.overview__highlights {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.highlight-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 22px 22px;
  background: var(--mist);
  border-radius: var(--radius);
  border-left: 3px solid var(--green);
  transition: box-shadow var(--transition), transform var(--transition);
}
.highlight-card:hover {
  box-shadow: var(--shadow);
  transform: translateX(4px);
}

.highlight-card__icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  color: var(--green);
  padding: 4px;
}
.highlight-card__icon svg { width: 100%; height: 100%; }

.highlight-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--navy);
  margin-bottom: 4px;
}
.highlight-card__text {
  color: var(--slate);
  font-size: 0.93rem;
}

/* =====================
   SERVICES
===================== */
.services {
  padding: 92px 0;
  background: var(--mist);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}
.service-card:hover::after { transform: scaleX(1); }

.service-card__num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: rgba(13,27,42,0.06);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.service-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--navy);
  margin-bottom: 10px;
}
.service-card__text {
  color: var(--slate);
  font-size: 0.93rem;
  line-height: 1.65;
}

/* =====================
   INDUSTRIES
===================== */
.industries {
  padding: 96px 0;
  background: var(--navy-mid);
}

.industries__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 44px;
}

.industry-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 32px 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  color: rgba(255,255,255,0.85);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-align: center;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.industry-card:hover {
  background: rgba(46,125,82,0.15);
  border-color: rgba(46,125,82,0.4);
  transform: translateY(-3px);
  color: var(--white);
}
.industry-card svg {
  width: 36px;
  height: 36px;
  color: var(--green-light);
  transition: color var(--transition);
}
.industry-card:hover svg { color: #6ee8a4; }

.industries__note {
  text-align: center;
  color: rgba(255,255,255,0.55);
  font-size: 0.95rem;
  max-width: 580px;
  margin: 0 auto;
  font-style: italic;
}

/* =====================
   WHY CHOOSE US
===================== */
.why {
  padding: 92px 0;
  background: var(--white);
}

.why__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.why-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 26px 24px;
  background: var(--mist);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.why-item:hover {
  box-shadow: var(--shadow);
  border-color: rgba(46,125,82,0.3);
}

.why-item__check {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  margin-top: 2px;
}

.why-item h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--navy);
  margin-bottom: 6px;
}
.why-item p {
  color: var(--slate);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* =====================
   ABOUT
===================== */
.about {
  padding: 96px 0;
  background: var(--navy);
}

.about__grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 64px;
  align-items: start;
}

.about__visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about__badge-block {
  padding: 22px 24px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
}
.about__badge-block--accent {
  background: rgba(46,125,82,0.2);
  border-color: rgba(46,125,82,0.4);
}

.about__stat {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.04em;
}
.about__stat-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-top: 3px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-display);
  font-weight: 600;
}

.about__content .section-title { color: var(--white); }
.about__content p {
  color: rgba(255,255,255,0.68);
  font-size: 1.02rem;
  margin-bottom: 18px;
  line-height: 1.75;
}

.about__reg {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
}
.about__reg-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.about__reg-label {
  font-family: var(--font-display);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-light);
  font-weight: 700;
}
.about__reg-value {
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
}

/* =====================
   CONTACT
===================== */
.contact {
  padding: 96px 0;
  background: var(--mist);
}

.contact__grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 64px;
  align-items: start;
}

.contact__sub {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.contact__info p {
  color: var(--slate);
  font-size: 0.98rem;
  margin-bottom: 14px;
  line-height: 1.7;
}

.contact__address {
  margin-top: 28px;
  padding: 20px 22px;
  background: var(--white);
  border-radius: var(--radius);
  border-left: 3px solid var(--green);
}
.contact__address p {
  margin-bottom: 6px;
  font-size: 0.93rem;
  color: var(--slate);
}
.contact__address p strong { color: var(--navy); }

/* FORM */
.contact-form {
  background: var(--white);
  border-radius: 8px;
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}
.form-group:last-of-type { margin-bottom: 0; }

.form-group label {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-mid);
}
.req { color: var(--green); }

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--navy);
  background: var(--mist);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  width: 100%;
}
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234a5568' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px; }
.form-group textarea { resize: vertical; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46,125,82,0.12);
  background: var(--white);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #c0392b;
  box-shadow: 0 0 0 3px rgba(192,57,43,0.08);
}

.form-success {
  display: none;
  margin-top: 18px;
  padding: 16px 20px;
  background: rgba(46,125,82,0.1);
  border: 1px solid rgba(46,125,82,0.3);
  border-radius: var(--radius);
  color: var(--green);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.96rem;
  letter-spacing: 0.02em;
}
.form-success.visible { display: block; }

/* =====================
   FOOTER
===================== */
.footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 56px 0 32px;
}

.footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 40px;
  align-items: start;
}

.logo--footer .logo__img { width: 48px; height: 48px; }
.logo--footer .logo__text { font-size: 0.98rem; }

.footer__tagline {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.4);
  margin-top: 8px;
  max-width: 200px;
  line-height: 1.5;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  justify-content: center;
  align-items: flex-start;
  padding-top: 4px;
}
.footer__nav a {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer__nav a:hover { color: var(--white); }

.footer__legal {
  text-align: right;
}
.footer__legal p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  line-height: 1.6;
  margin-bottom: 4px;
}
.footer__copy {
  margin-top: 10px;
  color: rgba(255,255,255,0.25) !important;
  font-size: 0.76rem !important;
}

/* =====================
   RESPONSIVE
===================== */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .overview__grid { gap: 40px; }
  .contact__grid { grid-template-columns: 1fr; gap: 40px; }
  .contact__form-wrap { max-width: 100%; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__legal { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 860px) {
  .burger { display: flex; }

  .nav {
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: var(--navy);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 24px 28px;
    border-top: 1px solid rgba(255,255,255,0.07);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    pointer-events: none;
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__list {
    flex-direction: column;
    margin-right: 0;
    margin-bottom: 18px;
    gap: 4px;
  }
  .nav__link { padding: 10px 14px; font-size: 1rem; }
  .nav__cta { align-self: flex-start; }

  .overview__grid { grid-template-columns: 1fr; gap: 36px; }
  .industries__grid { grid-template-columns: repeat(2, 1fr); }
  .why__grid { grid-template-columns: 1fr; }
  .about__grid { grid-template-columns: 1fr; }
  .about__visual { flex-direction: row; flex-wrap: wrap; }
  .about__badge-block { flex: 1; min-width: 140px; }

  .footer__inner { grid-template-columns: 1fr; gap: 28px; }
  .footer__legal { text-align: left; }
  .footer__nav { justify-content: flex-start; }
}

@media (max-width: 600px) {
  .services__grid { grid-template-columns: 1fr; }
  .industries__grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .btn--lg { width: 100%; justify-content: center; }
  .contact-form { padding: 26px 20px; }
  .hero__headline { font-size: 2.4rem; }
  .about__visual { flex-direction: column; }
}

@media (max-width: 400px) {
  .industries__grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .logo__img { width: 44px; height: 44px; }
  .logo__text { font-size: 0.95rem; }
}