/* ============================================================
   ProArc — style.css
   Font: Sora (headings) + Inter (body)
   Palette: Deep Navy #0D1B2A  |  Accent #C8A86B (gold)  |  Off-white #F4F1EC
   ============================================================ */

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

:root {
  --navy:      #0D1B2A;
  --navy-mid:  #162335;
  --navy-soft: #1E3248;
  --gold:      #C8A86B;
  --gold-light:#D9BC89;
  --off-white: #F4F1EC;
  --white:     #FFFFFF;
  --text:      #2D3748;
  --text-muted:#718096;
  --border:    #E2E8F0;
  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;
  --shadow:    0 4px 24px rgba(0,0,0,.08);
  --shadow-md: 0 8px 40px rgba(0,0,0,.12);
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
}

h1,h2,h3,h4,h5 {
  font-family: 'Sora', sans-serif;
  line-height: 1.2;
  color: var(--navy);
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 100px 0; }

/* ── Eyebrow / section labels ── */
.section-eyebrow {
  display: inline-block;
  font-family: 'Sora', sans-serif;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.section-eyebrow.light { color: var(--gold-light); }

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 20px;
}
.section-title.light { color: var(--white); }

.section-sub {
  max-width: 560px;
  color: var(--text-muted);
  margin-bottom: 56px;
}

.section-header {
  text-align: center;
  margin-bottom: 0;
}
.section-header .section-sub { margin-left: auto; margin-right: auto; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: 'Sora', sans-serif;
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .04em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.btn-primary {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,168,107,.35);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   NAVBAR
   ============================================================ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

#navbar.scrolled {
  background: var(--navy);
  padding: 12px 0;
  box-shadow: 0 2px 30px rgba(0,0,0,.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Sora', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.02em;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  line-height: 1;
}
.logo-name { color: var(--white); white-space: nowrap; }
.logo-accent { color: var(--gold); }

.logo-tag {
  display: flex;
  flex-direction: column;
  font-family: 'Inter', sans-serif;
  font-size: .55rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  line-height: 1.5;
  border-left: 1px solid rgba(255,255,255,.2);
  padding-left: 10px;
}

.nav-links {
  display: flex;
  gap: 40px;
}

.nav-link {
  font-family: 'Sora', sans-serif;
  font-size: .875rem;
  font-weight: 500;
  color: rgba(255,255,255,.8);
  letter-spacing: .04em;
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: var(--white);
}
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  transition: transform 8s ease-out;
}
.hero:hover .hero-bg { transform: scale(1); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(13,27,42,.88) 0%,
    rgba(13,27,42,.6) 60%,
    rgba(13,27,42,.3) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding-top: 100px;
  padding-bottom: 60px;
}

.hero-eyebrow {
  font-family: 'Sora', sans-serif;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.03em;
  margin-bottom: 24px;
  line-height: 1.1;
}
.hero-content h1 span { color: var(--gold); }

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.75);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-scroll-hint {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: 'Sora', sans-serif;
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: .4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.15); }
}

/* ============================================================
   STATS BAND
   ============================================================ */
.stats-band {
  background: var(--navy);
  padding: 56px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  text-align: center;
}

.stat-item {
  padding: 24px;
  border-right: 1px solid rgba(255,255,255,.08);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-item:last-child { border-right: none; }

.stat-number {
  font-family: 'Sora', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}

.stat-label {
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--off-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-images {
  position: relative;
}

.about-img-main {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.about-img-accent {
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 55%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius);
  border: 6px solid var(--off-white);
  box-shadow: var(--shadow-md);
}

.about-badge {
  position: absolute;
  top: 32px;
  left: -24px;
  background: var(--gold);
  color: var(--navy);
  padding: 16px 20px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-md);
}
.about-badge strong {
  display: block;
  font-family: 'Sora', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
}
.about-badge span {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  line-height: 1.3;
}

.about-text { padding-bottom: 40px; }

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.about-values {
  margin: 32px 0 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-values li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.value-icon {
  flex-shrink: 0;
  width: 36px; height: 36px;
  background: var(--navy);
  color: var(--gold);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Sora', sans-serif;
  font-size: .7rem;
  font-weight: 700;
}

.about-values li > div strong {
  display: block;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 2px;
}
.about-values li > div span {
  font-size: .9rem;
  color: var(--text-muted);
}

/* ============================================================
   SERVICES
   ============================================================ */
.services { background: var(--white); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.service-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--white);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.service-card--featured {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
}

.service-img-wrap {
  height: 200px;
  overflow: hidden;
}
.service-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.service-card:hover .service-img-wrap img { transform: scale(1.06); }

.service-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--off-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.service-icon svg {
  width: 22px; height: 22px;
  stroke: var(--navy);
}
.service-card--featured .service-icon { background: rgba(200,168,107,.15); }
.service-card--featured .service-icon svg { stroke: var(--gold); }

.service-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-body p {
  font-size: .9rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 20px;
}

.service-link {
  font-family: 'Sora', sans-serif;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--gold);
  transition: gap var(--transition), color var(--transition);
}
.service-link:hover { color: var(--navy); }

/* ============================================================
   WHY PROARC
   ============================================================ */
.why {
  position: relative;
  overflow: hidden;
  padding: 120px 0;
}

.why-bg {
  position: absolute;
  inset: 0;
}
.why-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.why-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,27,42,.93) 0%, rgba(13,27,42,.8) 100%);
}

.why-content {
  position: relative;
  z-index: 2;
}

.why-content .section-title { margin-bottom: 56px; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.why-item {
  border-top: 2px solid rgba(200,168,107,.4);
  padding-top: 28px;
}

.why-num {
  font-family: 'Sora', sans-serif;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--gold);
  margin-bottom: 14px;
}

.why-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.why-item p {
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  background: var(--off-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact-info p {
  color: var(--text-muted);
  margin-bottom: 36px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-details li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-icon svg {
  width: 20px; height: 20px;
  stroke: var(--gold);
}

.contact-details li > div strong {
  display: block;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--navy);
}
.contact-details li > div span {
  font-size: .875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Form */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-family: 'Sora', sans-serif;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--navy);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: .9rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  resize: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(200,168,107,.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #bbb; }

.form-note {
  font-size: .8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: -8px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--navy);
  padding: 72px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand p {
  font-size: .875rem;
  color: rgba(255,255,255,.45);
  margin-top: 16px;
  max-width: 280px;
  line-height: 1.7;
}

.footer-links h4 {
  font-family: 'Sora', sans-serif;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links ul li a,
.footer-links ul li span {
  font-size: .875rem;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer-links ul li a:hover { color: var(--white); }

.footer-bottom {
  padding: 24px 0;
}
.footer-bottom p {
  font-size: .8rem;
  color: rgba(255,255,255,.3);
  text-align: center;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-images { display: none; }
  .about-text { padding-bottom: 0; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  /* Nav mobile */
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 75vw; max-width: 320px;
    height: 100vh;
    background: var(--navy);
    flex-direction: column;
    gap: 0;
    padding: 100px 32px 40px;
    transition: right var(--transition);
    z-index: 999;
    box-shadow: -8px 0 40px rgba(0,0,0,.3);
  }
  .nav-links.open { right: 0; }
  .nav-link {
    padding: 14px 0;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255,255,255,.06);
    width: 100%;
    display: block;
  }

  .hamburger { display: flex; z-index: 1001; position: relative; }
  .hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }

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

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

  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px; }

  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.08); }
  .hero-actions { flex-direction: column; align-items: flex-start; }
}