/* ============================
   STR Construction — Styles
   ============================ */

:root {
  --red: #d31820;
  --red-dark: #a3121a;
  --black: #171717;
  --charcoal: #232323;
  --gray: #5a5a5a;
  --light-gray: #f0f0f0;
  --mid-gray: #cfcfcf;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  --radius: 6px;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--charcoal);
  background: var(--white);
  line-height: 1.6;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 92%;
  max-width: 1180px;
  margin: 0 auto;
}

h1, h2, h3, h4 {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-weight: 800;
  color: var(--black);
  line-height: 1.2;
}

h2 {
  font-size: 2.1rem;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.35rem;
  margin-bottom: 0.6rem;
}

p {
  color: var(--gray);
}

.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--light-gray);
}

.section-dark {
  background: var(--black);
  color: var(--white);
}

.section-dark h2,
.section-dark h3,
.section-dark p {
  color: var(--white);
}

.eyebrow {
  display: inline-block;
  color: var(--red);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  margin-bottom: 0.8rem;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  transition: all var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--red-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--black);
}

.btn-outline-dark {
  background: transparent;
  border-color: var(--black);
  color: var(--black);
}

.btn-outline-dark:hover {
  background: var(--black);
  color: var(--white);
}

/* ============ HEADER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--black);
  border-bottom: 4px solid var(--red);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--white);
  letter-spacing: 1px;
}

.logo-mark {
  width: 42px;
  height: 42px;
  background: var(--red);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(45deg);
  flex-shrink: 0;
}

.logo-mark span {
  transform: rotate(-45deg);
  color: var(--white);
  font-weight: 900;
  font-size: 1.1rem;
}

.logo small {
  display: block;
  color: var(--mid-gray);
  font-weight: 400;
  font-size: 0.65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
}

nav.main-nav ul {
  display: flex;
  gap: 2.2rem;
}

nav.main-nav a {
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

nav.main-nav a:hover,
nav.main-nav a.active {
  border-color: var(--red);
  color: var(--red);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 26px;
  height: 3px;
  background: var(--white);
  border-radius: 2px;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.header-phone {
  color: var(--white);
  font-weight: 700;
  font-size: 0.95rem;
  display: none;
}

.header-phone span {
  color: var(--red);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  color: var(--white);
  background: linear-gradient(120deg, rgba(10,10,10,0.92), rgba(60,10,12,0.85)), url('images/upload-1.jpeg') center/cover no-repeat;
  padding: 7rem 0;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 380px;
  height: 380px;
  background: var(--red);
  opacity: 0.15;
  transform: rotate(45deg);
}

.hero-content {
  max-width: 640px;
  position: relative;
  z-index: 2;
}

.hero-content h1 {
  color: var(--white);
  font-size: 3rem;
  margin-bottom: 1.2rem;
}

.hero-content h1 span {
  color: var(--red);
}

.hero-content p {
  color: var(--mid-gray);
  font-size: 1.15rem;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3.5rem;
  flex-wrap: wrap;
}

.hero-stats div {
  border-left: 3px solid var(--red);
  padding-left: 1rem;
}

.hero-stats strong {
  display: block;
  font-size: 2rem;
  color: var(--white);
}

.hero-stats span {
  color: var(--mid-gray);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============ SERVICES GRID ============ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.8rem;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--mid-gray);
  border-top: 4px solid var(--red);
  border-radius: var(--radius);
  padding: 2.2rem 1.8rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.service-icon {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
}

.service-icon svg {
  width: 26px;
  height: 26px;
  stroke: var(--red);
}

.service-card a.learn {
  color: var(--red);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-block;
  margin-top: 0.8rem;
}

/* ============ ABOUT / SPLIT ============ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.split img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.split .frame {
  position: relative;
}

.split .frame::before {
  content: "";
  position: absolute;
  top: -18px;
  left: -18px;
  width: 100%;
  height: 100%;
  border: 4px solid var(--red);
  border-radius: var(--radius);
  z-index: -1;
}

.check-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 0.8rem;
  color: var(--gray);
  font-weight: 600;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  background: var(--red);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 900;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============ VALUES / ICON ROW ============ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  text-align: center;
}

.values-grid .value-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  border: 3px solid var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  color: var(--red);
  font-size: 1.4rem;
}

/* ============ GALLERY ============ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.gallery-grid img {
  border-radius: var(--radius);
  width: 100%;
  height: 320px;
  object-fit: cover;
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.gallery-grid img:hover {
  transform: scale(1.02);
}

/* ============ CTA BAND ============ */
.cta-band {
  background: var(--red);
  color: var(--white);
  padding: 3.2rem 0;
  text-align: center;
}

.cta-band h2, .cta-band p {
  color: var(--white);
}

.cta-band .btn-outline {
  border-color: var(--white);
}

/* ============ PROCESS STEPS ============ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  counter-reset: step;
}

.process-step {
  position: relative;
  padding-top: 2.5rem;
}

.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--light-gray);
  -webkit-text-stroke: 2px var(--red);
  position: absolute;
  top: -10px;
  left: 0;
}

/* ============ SERVICES PAGE DETAIL ============ */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 4rem 0;
  border-bottom: 1px solid var(--mid-gray);
}

.service-detail:last-of-type {
  border-bottom: none;
}

.service-detail.reverse .text {
  order: 2;
}

.service-detail.reverse .media {
  order: 1;
}

.service-detail img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.tag-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--black);
  color: var(--red);
  font-weight: 900;
  border-radius: 50%;
  margin-bottom: 1rem;
}

/* ============ CONTACT PAGE ============ */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
}

.contact-info-card {
  background: var(--black);
  color: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius);
}

.contact-info-card h3 {
  color: var(--white);
}

.contact-info-card .info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.6rem;
  align-items: flex-start;
}

.contact-info-card .info-item .icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.contact-info-card p, .contact-info-card a {
  color: var(--mid-gray);
}

form.contact-form {
  display: grid;
  gap: 1.2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

form.contact-form label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.4rem;
  color: var(--black);
}

form.contact-form input,
form.contact-form select,
form.contact-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--mid-gray);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  background: var(--white);
}

form.contact-form input:focus,
form.contact-form select:focus,
form.contact-form textarea:focus {
  outline: 2px solid var(--red);
  border-color: var(--red);
}

form.contact-form textarea {
  resize: vertical;
  min-height: 140px;
}

.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-top: 2.5rem;
}

.map-embed iframe {
  width: 100%;
  height: 340px;
  border: 0;
  display: block;
}

/* ============ FAQ ============ */
.faq-item {
  border-bottom: 1px solid var(--mid-gray);
  padding: 1.4rem 0;
}

.faq-item h4 {
  color: var(--black);
  margin-bottom: 0.4rem;
}

/* ============ FOOTER ============ */
.site-footer {
  background: var(--black);
  color: var(--mid-gray);
  padding: 3.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid #333;
}

.footer-grid h4 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-grid a {
  color: var(--mid-gray);
  display: block;
  margin-bottom: 0.6rem;
  transition: color var(--transition);
}

.footer-grid a:hover {
  color: var(--red);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--white);
  font-weight: 800;
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  font-size: 0.85rem;
}

/* ============ RESPONSIVE ============ */
@media (min-width: 900px) {
  .header-phone {
    display: block;
  }
}

@media (max-width: 900px) {
  .split,
  .service-detail,
  .service-detail.reverse .text,
  .service-detail.reverse .media,
  .contact-wrap {
    grid-template-columns: 1fr;
  }
  .service-detail.reverse .text { order: 1; }
  .service-detail.reverse .media { order: 0; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  nav.main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--black);
    border-top: 2px solid var(--red);
    display: none;
  }
  nav.main-nav.open {
    display: block;
  }
  nav.main-nav ul {
    flex-direction: column;
    padding: 1.2rem 6%;
    gap: 0;
  }
  nav.main-nav li {
    border-bottom: 1px solid #333;
  }
  nav.main-nav a {
    display: block;
    padding: 1rem 0;
  }
  .nav-toggle {
    display: flex;
  }
  .hero-content h1 {
    font-size: 2.2rem;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}