/* ─────────────────────────────────────
   STRADA Construction — Site Styles 
   ───────────────────────────────────── */

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { border: none; background: none; cursor: pointer; font: inherit; color: inherit; }
ul { list-style: none; }

/* ── Tokens ── */
:root {
  --bg: #F7F5F0;
  --bg-card: #FFFFFF;
  --bg-subtle: #EFECE5;
  --bg-dark: #1A1A1A;
  --text: #181818;
  --text-muted: #6B6B6B;
  --text-subtle: #9A9A9A;
  --border: rgba(24, 24, 24, 0.08);
  --border-strong: rgba(24, 24, 24, 0.15);
  --accent: #C9522C;
  --accent-hover: #A8401F;
  --accent-soft: rgba(201, 82, 44, 0.08);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;

  --maxw: 1240px;
  --gutter: clamp(20px, 4vw, 48px);

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 20px 40px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.08), 0 32px 80px rgba(0,0,0,0.1);
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Typography ── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 500; letter-spacing: -0.02em; line-height: 1.1; color: var(--text); }
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); font-weight: 500; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: 1.4rem; font-weight: 500; }
h4 { font-size: 1.1rem; font-weight: 600; letter-spacing: 0; }
p { color: var(--text-muted); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: var(--font-body);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
}

.lead { font-size: 1.125rem; line-height: 1.65; color: var(--text-muted); max-width: 56ch; }

/* ── Layout ── */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section { padding: clamp(60px, 10vw, 120px) 0; }
.section-tight { padding: clamp(40px, 6vw, 80px) 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 64px); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 32px); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 32px); }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ── Navbar ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.brand-mark {
  width: 32px;
  height: 32px;
  background: var(--text);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.brand-mark::after {
  content: "";
  width: 12px;
  height: 12px;
  background: var(--accent);
}
.brand-name { color: var(--text); }
.brand-suffix { color: var(--text-muted); font-weight: 400; }

.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
}
.nav-link {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}
.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--text); }
.nav-link.active::after {
  content: "";
  display: block;
  height: 2px;
  background: var(--accent);
  margin-top: 4px;
}

.nav-cta { margin-left: 12px; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  width: 22px;
  height: 1.5px;
  background: var(--text);
  position: relative;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 1.5px;
  background: var(--text);
}
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }

@media (max-width: 800px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg);
    padding: 16px var(--gutter);
    border-bottom: 1px solid var(--border);
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-link { width: 100%; padding: 12px 0; }
  .nav-cta { margin: 8px 0 0 0; width: 100%; text-align: center; }
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s, transform 0.15s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-arrow { transition: transform 0.2s; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* Variants */
.btn-primary { background: var(--text); color: var(--bg); }
.btn-primary:hover { background: var(--accent); color: #fff; }

.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); }

.btn-outline { background: transparent; color: var(--text); border: 1.5px solid var(--border-strong); }
.btn-outline:hover { border-color: var(--text); background: var(--text); color: var(--bg); }

.btn-ghost { background: transparent; color: var(--text); padding: 8px 0; }
.btn-ghost:hover { color: var(--accent); }

/* Sizes */
.btn-sm { padding: 8px 16px; font-size: 0.8rem; }
.btn-md { padding: 12px 24px; font-size: 0.9rem; }
.btn-lg { padding: 16px 32px; font-size: 0.95rem; }

/* ── Hero ── */
.hero {
  padding: clamp(60px, 8vw, 100px) 0 clamp(80px, 10vw, 140px);
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.hero-content { max-width: 540px; }
.hero-title {
  font-size: clamp(2.6rem, 6.5vw, 5rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 20px 0 28px;
}
.hero-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.hero-text {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 480px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Overlapping images */
.hero-images {
  position: relative;
  aspect-ratio: 1 / 1.05;
  width: 100%;
}
.hero-img {
  position: absolute;
  overflow: hidden;
  background: var(--bg-subtle);
  box-shadow: var(--shadow-md);
}
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
.hero-img-main {
  top: 0;
  right: 0;
  width: 72%;
  height: 78%;
}
.hero-img-sub {
  bottom: 0;
  left: 0;
  width: 54%;
  height: 50%;
  border: 8px solid var(--bg);
  z-index: 2;
}
.hero-badge {
  position: absolute;
  bottom: 8%;
  right: 6%;
  background: var(--text);
  color: var(--bg);
  padding: 18px 22px;
  z-index: 3;
  box-shadow: var(--shadow-lg);
}
.hero-badge-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--accent);
}
.hero-badge-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bg-subtle);
  margin-top: 6px;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-images { max-width: 480px; margin: 0 auto; }
}

/* ── Stat Strip ── */
.stat-strip {
  background: var(--text);
  color: var(--bg);
}
.stat-strip .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1);
}
.stat-item {
  background: var(--text);
  padding: 40px 24px;
  text-align: center;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--accent);
}
.stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-top: 6px;
}
@media (max-width: 700px) {
  .stat-strip .container { grid-template-columns: repeat(2, 1fr); }
}

/* ── Section Heading ── */
.section-head {
  max-width: 720px;
  margin-bottom: clamp(40px, 6vw, 64px);
}
.section-head .eyebrow { margin-bottom: 16px; }
.section-head h2 { margin-bottom: 16px; }
.section-head p { font-size: 1.1rem; line-height: 1.7; }

.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: clamp(40px, 6vw, 64px);
  flex-wrap: wrap;
}
.section-head-row > div:first-child { max-width: 640px; }

/* ── Service Card ── */
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.service-img {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: var(--bg-subtle);
}
.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.service-card:hover .service-img img { transform: scale(1.04); }
.service-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.service-number {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.06em;
}
.service-title { font-size: 1.3rem; }
.service-text { font-size: 0.95rem; line-height: 1.6; flex: 1; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 8px;
}
.service-link:hover { color: var(--accent); }

/* Service variants */
.service-card-featured {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.service-card-featured h3 { color: var(--bg); }
.service-card-featured p { color: rgba(255,255,255,0.7); }
.service-card-featured .service-link { color: var(--bg); }
.service-card-featured .service-link:hover { color: var(--accent); }

/* Service detail row (alternating) */
.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  margin-bottom: clamp(60px, 8vw, 100px);
}
.service-row:last-child { margin-bottom: 0; }
.service-row.reverse > div:first-child { order: 2; }
@media (max-width: 800px) {
  .service-row, .service-row.reverse { grid-template-columns: 1fr; }
  .service-row.reverse > div:first-child { order: 0; }
}
.service-row-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-subtle);
}
.service-row-img img { width: 100%; height: 100%; object-fit: cover; }
.service-row-content h3 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 12px 0 16px;
}
.service-row-content p { margin-bottom: 20px; font-size: 1.05rem; line-height: 1.7; }
.service-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}
.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text);
}
.service-features li::before {
  content: "";
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  background: var(--accent);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3 8L7 12L13 4' stroke='black' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat center / contain;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M3 8L7 12L13 4' stroke='black' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat center / contain;
}

/* ── About page specifics ── */
.about-hero {
  padding: clamp(60px, 8vw, 100px) 0 clamp(40px, 5vw, 64px);
}
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px); }
@media (max-width: 800px) { .about-intro { grid-template-columns: 1fr; } }
.about-intro h1 { margin-bottom: 28px; }
.about-intro p { font-size: 1.1rem; line-height: 1.75; margin-bottom: 18px; }

.about-image-wide {
  aspect-ratio: 21 / 9;
  overflow: hidden;
  margin: clamp(40px, 6vw, 80px) 0;
}
.about-image-wide img { width: 100%; height: 100%; object-fit: cover; }

.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}
.value-card:hover { border-color: var(--text); transform: translateY(-2px); }
.value-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
}
.value-card h4 { margin-bottom: 8px; font-size: 1.15rem; }
.value-card p { font-size: 0.95rem; line-height: 1.65; }

.team-card { text-align: center; }
.team-photo {
  aspect-ratio: 1 / 1.15;
  overflow: hidden;
  background: var(--bg-subtle);
  margin-bottom: 16px;
}
.team-photo img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.15); }
.team-name { font-weight: 600; font-size: 1.05rem; margin-bottom: 2px; }
.team-role { font-size: 0.85rem; color: var(--text-muted); letter-spacing: 0.04em; }

/* ── Contact page ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-info { display: flex; flex-direction: column; gap: 0; }
.contact-item {
  display: flex;
  gap: 18px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.contact-item:first-child { padding-top: 0; }
.contact-item:last-child { border-bottom: none; }
.contact-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.contact-value { font-size: 1.05rem; font-weight: 500; color: var(--text); }
.contact-value a:hover { color: var(--accent); }
.contact-meta { font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; }

.contact-map {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
}
.contact-map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.4) contrast(1.05); }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: clamp(28px, 4vw, 40px);
  margin-top: clamp(40px, 6vw, 60px);
}
.contact-form h3 { margin-bottom: 6px; }
.contact-form > p { margin-bottom: 28px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-field { margin-bottom: 16px; }
.form-field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-field textarea { resize: vertical; min-height: 120px; }

/* ── CTA banner ── */
.cta-banner {
  background: var(--text);
  color: var(--bg);
  padding: clamp(56px, 8vw, 100px) 0;
  text-align: center;
}
.cta-banner .eyebrow { color: var(--accent); }
.cta-banner h2 {
  color: var(--bg);
  margin: 16px auto 24px;
  max-width: 720px;
}
.cta-banner p {
  color: rgba(255,255,255,0.7);
  max-width: 540px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
}

/* ── Footer ── */
.footer {
  background: var(--text);
  color: var(--bg-subtle);
  padding: clamp(48px, 6vw, 72px) 0 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  margin-bottom: 48px;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer .brand-name { color: var(--bg); }
.footer .brand-suffix { color: var(--text-subtle); }
.footer-tagline {
  margin-top: 18px;
  font-size: 0.95rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.6);
  max-width: 280px;
}
.footer-col h5 {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bg);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  flex-wrap: wrap;
  gap: 12px;
}

/* ── Page header (subpages) ── */
.page-header {
  padding: clamp(60px, 8vw, 100px) 0 clamp(40px, 6vw, 64px);
  border-bottom: 1px solid var(--border);
}
.page-header-inner { max-width: 720px; }
.page-header h1 { margin: 18px 0 20px; font-size: clamp(2.4rem, 5vw, 3.8rem); }
.page-header p { font-size: 1.15rem; line-height: 1.65; }

/* ── Breadcrumb ── */
.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-family: var(--font-body);
}
.crumb a:hover { color: var(--accent); }
.crumb span { color: var(--text-subtle); }

/* ── Animations ── */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.reveal { animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) both; }
.reveal-d1 { animation-delay: 0.1s; }
.reveal-d2 { animation-delay: 0.2s; }
.reveal-d3 { animation-delay: 0.3s; }
.reveal-d4 { animation-delay: 0.4s; }