/* ============================================================
   Refined Concrete — shared site styles
   Single source of truth for tokens, nav, footer, buttons.
   Page-specific styles live in each page's <style> block.
   ============================================================ */

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

:root {
  --blue: #1A3C6E;
  --blue-light: #2554A0;
  --blue-bright: #7DB8E8;
  --black: #000000;
  --bg-1: #000000;
  --bg-2: #000000;
  --bg-3: #0B0B0B;
  --bg-4: #151515;
  --card: #1A1A1A;
  --border: rgba(255,255,255,0.07);
  --text: #E6E6E6;
  --gray: #878787;
  --white: #FFFFFF;
  --max-w: 1300px;
  --radius: 4px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg-2);
  line-height: 1.6;
}

img { max-width: 100%; }

/* ── NAV ───────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.site-nav.scrolled {
  background: rgba(6,6,6,0.6);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: rgba(255,255,255,0.1);
  box-shadow: 0 8px 30px -12px rgba(0,0,0,0.55);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 16px;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: height 0.35s ease;
}

.site-nav.scrolled .nav-inner { height: 64px; }

.nav-logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }

.nav-logo img {
  height: 68px;
  width: auto;
  display: block;
  transition: height 0.35s ease;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.5)) drop-shadow(0 0 12px rgba(0,0,0,0.4));
}

.site-nav.scrolled .nav-logo img { height: 50px; }

.nav-right { display: flex; align-items: center; gap: 36px; }

.nav-links { display: flex; gap: 36px; list-style: none; }

.nav-links a {
  position: relative;
  color: var(--white);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 3px rgba(0,0,0,0.35);
  transition: color 0.2s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--blue-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-links a:hover { color: rgba(255,255,255,0.8); }
.nav-links a.active { color: var(--white); }
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.nav-divider { width: 1px; height: 20px; background: rgba(255,255,255,0.3); }

.nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  text-shadow: 0 1px 3px rgba(0,0,0,0.35);
  transition: color 0.2s;
}

.nav-phone svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.nav-phone:hover { color: var(--blue-light); }

.nav-cta {
  display: inline-block;
  background: transparent;
  color: var(--white) !important;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  padding: 10px 22px;
  border: 1.5px solid rgba(255,255,255,0.55);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.nav-cta:hover { background: var(--white); color: var(--blue) !important; border-color: var(--white); }

/* hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 11px 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
  z-index: 120;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.2s ease;
}

.site-nav.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-nav.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 110;
}

.site-nav.nav-open .nav-backdrop { opacity: 1; pointer-events: auto; }

.nav-links a:focus-visible,
.nav-phone:focus-visible,
.nav-cta:focus-visible,
.nav-toggle:focus-visible,
.nav-logo:focus-visible {
  outline: 2px solid var(--blue-bright);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ── BUTTONS ───────────────────────────────────────────── */
.btn-primary, .btn-outline, .btn-outline-white {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 15px 28px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}
.btn-primary::after, .btn-outline::after {
  content: '';
  width: 14px; height: 14px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform 0.3s cubic-bezier(0.2,0.7,0.2,1);
}
.btn-primary:hover::after, .btn-outline:hover::after { transform: translateX(5px); }

.btn-primary { background: var(--blue-light); color: var(--white); border-color: var(--blue-light); }
.btn-primary:hover { background: #1a4fb0; border-color: #1a4fb0; }

.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.35); }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.06); }

.btn-outline-white { background: transparent; color: var(--white) !important; border-color: rgba(255,255,255,0.45); }
.btn-outline-white:hover { border-color: var(--white); background: rgba(255,255,255,0.08); }

/* ── SECTION HELPERS ───────────────────────────────────── */
.section { padding: 110px 16px; }

.section-inner { max-width: var(--max-w); margin: 0 auto; }


.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.015em;
  line-height: 1.1;
  margin-bottom: 18px;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--gray);
  max-width: 620px;
  line-height: 1.7;
}

/* divider + reveal */
.section-divider { max-width: var(--max-w); margin: 0 auto; padding: 0 16px; }
.section-divider .rule { height: 1px; background: rgba(255,255,255,0.1); }
.reveal-up { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2,0.7,0.2,1); }
.reveal-up.in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal-up { opacity: 1; transform: none; transition: none; } }

/* ── LOADING SKELETONS ───────────────────────────────────── */
@keyframes rc-shimmer { to { background-position: -200% 0; } }
.skeleton {
  background-color: #161616;
  background-image: linear-gradient(100deg, rgba(255,255,255,0) 30%, rgba(255,255,255,0.07) 50%, rgba(255,255,255,0) 70%);
  background-size: 200% 100%;
  background-position: 200% 0;
  animation: rc-shimmer 1.5s linear infinite;
}
.gallery-figure.skeleton { aspect-ratio: 4 / 3; }
.skeleton-img { opacity: 0; transition: opacity 0.6s ease; }
.skeleton-img.is-loaded { opacity: 1; }
.bg-loading::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: #161616;
  background-image: linear-gradient(100deg, rgba(255,255,255,0) 30%, rgba(255,255,255,0.07) 50%, rgba(255,255,255,0) 70%);
  background-size: 200% 100%;
  background-position: 200% 0;
  animation: rc-shimmer 1.5s linear infinite;
}
@media (prefers-reduced-motion: reduce) {
  .skeleton, .bg-loading::before { animation: none; }
}

/* ── PAGE HERO (subpages) ──────────────────────────────── */
.page-hero {
  position: relative;
  min-height: 74vh;
  display: flex;
  align-items: flex-end;
  padding-top: 84px;
  overflow: hidden;
}

.page-hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center 40%; }

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,6,6,0.92) 0%, rgba(6,6,6,0.45) 55%, rgba(6,6,6,0.3) 100%);
}

.page-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 16px 64px;
  width: 100%;
}

.page-hero-inner h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.6rem, 6vw, 5rem);
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.01em;
  line-height: 1.06;
  max-width: 800px;
}

.page-hero-inner p {
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  margin-top: 20px;
}

/* ── CTA STRIP ─────────────────────────────────────────── */
.cta-strip {
  background: var(--blue);
  padding: 84px 16px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(80% 120% at 50% -20%, rgba(125,184,232,0.25) 0%, transparent 60%);
  pointer-events: none;
}

.cta-strip-inner { position: relative; max-width: 760px; margin: 0 auto; }

.cta-strip h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.9rem, 3.2vw, 2.8rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.12;
}

.cta-strip p { font-size: 1.05rem; color: rgba(255,255,255,0.7); margin-bottom: 34px; }

.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── FOOTER ────────────────────────────────────────────── */
.site-footer { background: var(--black); padding: 56px 24px 30px; border-top: 1px solid rgba(255,255,255,0.07); }

.footer-inner { max-width: var(--max-w); margin: 0 auto; }

.footer-headline {
  text-align: center;
  padding: 76px 0 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 50px;
}
.footer-headline h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.015em;
}

.footer-social { display: flex; gap: 12px; margin-top: 4px; }
.footer-social a {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,0.18); border-radius: 999px;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.footer-social a:hover { color: var(--white); border-color: var(--blue-bright); background: rgba(125,184,232,0.12); }
.footer-social svg { width: 17px; height: 17px; fill: currentColor; }

.footer-top {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 28px;
}

.footer-logo { display: inline-flex; text-decoration: none; }
.footer-logo img {
  height: 44px;
  width: auto;
  filter: none;
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-top: 18px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 18px;
}

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul li a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--blue-bright); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  gap: 16px;
  flex-wrap: wrap;
}

/* ── SCROLL REVEAL ─────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.2,0.7,0.2,1), transform 0.7s cubic-bezier(0.2,0.7,0.2,1);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
  .section { padding: 88px 16px; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-divider { display: none; }

  .nav-right {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(82vw, 340px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 26px;
    padding: 108px 32px 40px;
    background: rgba(6,6,6,0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255,255,255,0.1);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
    z-index: 115;
    overflow-y: auto;
  }
  .site-nav.nav-open .nav-right { transform: translateX(0); }

  .nav-links { flex-direction: column; align-items: flex-start; gap: 22px; width: 100%; }
  .nav-links a { font-size: 1.3rem; font-weight: 600; text-shadow: none; }
  .nav-links a::after { display: none; }
  .nav-phone { font-size: 1.05rem; text-shadow: none; }
  .nav-cta { width: 100%; text-align: center; padding: 14px 22px; }

  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav, .nav-inner, .nav-logo img, .nav-right, .nav-toggle span, .nav-backdrop,
  .nav-links a::after, .reveal { transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ── MOBILE STICKY CTA ───────────────────────────────────── */
.mobile-cta { display: none; }
@media (max-width: 768px) {
  .mobile-cta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 95;
    border-top: 1px solid rgba(255,255,255,0.14);
    background: rgba(6,6,6,0.94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  .mobile-cta a {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 54px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
    text-decoration: none; color: var(--white);
  }
  .mobile-cta .mc-quote { background: var(--blue-light); }
  .mobile-cta svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
  body { padding-bottom: 55px; }
}