:root {
  --blue: #2563eb;
  --blue-bright: #2563eb;
  --blue-soft: #eff4ff;
  --blue-dim: #dbe6fc;
  --ink: #0f172a;
  --bg: #ffffff;
  --bg-elevated: #f5f6f8;
  --panel: #ffffff;
  --panel-border: rgba(15, 23, 42, 0.09);
  --white: #ffffff;
  --text: #1c2333;
  --text-dim: #5b6577;
  --text-faint: #98a1b3;
  --whatsapp: #25d366;
  --success: #1f9d55;
  --error: #d64545;
  --radius: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.1);
  --transition: 400ms cubic-bezier(0.16, 1, 0.3, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

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

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

h1, h2, h3 { color: var(--ink); letter-spacing: -0.02em; font-weight: 700; }

em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--blue);
}

/* ---------- Hero blueprint animation ---------- */
.hero-blueprint {
  position: relative;
  flex: 1;
  min-height: 260px;
  width: 100%;
  z-index: 0;
  display: flex;
  align-items: stretch;
  justify-content: center;
  pointer-events: none;
  background-image:
    linear-gradient(var(--panel-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--panel-border) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, black 40px, black calc(100% - 10px), transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0, black 40px, black calc(100% - 10px), transparent 100%);
}
.hero-blueprint svg {
  width: 100%;
  max-width: 1100px;
  height: 100%;
  overflow: visible;
  margin: 0 auto;
}
.bp-scene-label {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  z-index: 1;
}
.bp-line {
  fill: none;
  stroke: var(--blue);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
  opacity: 0.85;
}
.bp-fill {
  fill: var(--blue-soft);
  stroke: var(--blue);
  stroke-width: 1.4;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}
.bp-node {
  fill: var(--blue);
  stroke: none;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}
.bp-label {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--text-faint);
  opacity: 0;
}
.bp-dim-line {
  fill: none;
  stroke: var(--text-faint);
  stroke-width: 1;
  opacity: 0.85;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

.section-header { text-align: center; margin-bottom: 56px; position: relative; z-index: 2; }
.section-header h2 { font-size: 40px; }

i[data-lucide] { width: 18px; height: 18px; stroke-width: 2px; }

/* ---------- Duotone image treatment ---------- */
.duotone { position: relative; overflow: hidden; }
.duotone img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.12) brightness(1.04);
}
.duotone::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.6), rgba(15, 23, 42, 0.35));
  mix-blend-mode: color;
  pointer-events: none;
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--panel-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}
.logo-icon { color: var(--blue); width: 20px; height: 20px; }

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a:not(.btn-whatsapp) {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
  transition: color var(--transition);
  position: relative;
}
.nav-links a:not(.btn-whatsapp):hover { color: var(--ink); }

.btn-whatsapp {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--whatsapp);
  color: var(--white);
  padding: 9px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-whatsapp i { width: 16px; height: 16px; }
.btn-whatsapp:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  z-index: 1;
  padding-top: 56px;
}

.hero-top {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 24px;
  max-width: 880px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--panel-border);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
}
.hero-badge i { width: 15px; height: 15px; color: var(--blue); }

.hero h1 {
  font-size: 64px;
  line-height: 1.08;
  font-weight: 800;
}
.hero h1 .line { display: block; }

.hero-sub {
  font-size: 18px;
  font-weight: 400;
  margin-top: 24px;
  color: var(--text-dim);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  padding: 15px 28px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn-primary i { width: 16px; height: 16px; transition: transform var(--transition); }
.btn-primary:hover { background: var(--blue); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(37, 99, 235, 0.25); }
.btn-primary:hover i { transform: translateX(3px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  padding: 15px 28px;
  border-radius: 100px;
  border: 1px solid var(--panel-border);
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition);
  box-shadow: var(--shadow-sm);
}
.btn-secondary i { width: 15px; height: 15px; color: var(--blue); }
.btn-secondary:hover { transform: translateY(-2px); border-color: rgba(37, 99, 235, 0.35); }

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-faint);
  animation: bounce 2s ease-in-out infinite;
  z-index: 2;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- Trust bar ---------- */
.trust-bar {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--panel-border);
  border-bottom: 1px solid var(--panel-border);
  background: var(--bg-elevated);
}
.trust-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.trust-item { display: flex; flex-direction: column; align-items: center; text-align: center; flex: 1; min-width: 140px; }
.trust-number, .trust-suffix {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 400;
  color: var(--blue);
  line-height: 1;
}
.trust-label { font-size: 13px; color: var(--text-dim); margin-top: 8px; }
.trust-divider { width: 1px; height: 48px; background: var(--panel-border); }

/* ---------- About ---------- */
.about { position: relative; z-index: 2; padding: 120px 24px; background: var(--bg); }
.about-container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 64px;
  align-items: center;
}
.about-photo {
  width: 300px; height: 300px;
  border-radius: 50%;
  border: 1px solid var(--panel-border);
  background: var(--blue-dim);
  box-shadow: var(--shadow-md);
}
.about-photo.photo-fallback::after {
  content: 'RR';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%; height: 100%;
  color: var(--blue);
  font-family: var(--font-serif);
  font-size: 88px;
  background: none;
}
.about-text h2 { font-size: 38px; margin-bottom: 20px; }
.about-text p { font-size: 16px; margin-bottom: 16px; color: var(--text-dim); }
.about-list { margin: 20px 0; }
.about-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--text);
}
.about-list li i { color: var(--blue); width: 16px; height: 16px; flex-shrink: 0; }

/* ---------- Services ---------- */
.services { position: relative; z-index: 2; padding: 120px 24px; background: var(--bg-elevated); }
.cards-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background: var(--white);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: var(--shadow-md);
}
.card-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
  margin-bottom: 20px;
}
.card-icon i { width: 22px; height: 22px; }
.card h3 { font-size: 20px; font-weight: 600; margin-bottom: 16px; }
.card-list { margin-bottom: 16px; }
.card-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-dim);
}
.card-list li i { color: var(--success); width: 14px; height: 14px; flex-shrink: 0; }
.card p { font-size: 14px; color: var(--text-faint); }

/* ---------- Portfolio ---------- */
.portfolio { position: relative; z-index: 2; background: var(--bg); padding: 120px 24px; }
.gallery-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.gallery-item {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-elevated);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-sm);
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
  opacity: 0;
  animation: imgFade 400ms ease forwards;
}
@keyframes imgFade { to { opacity: 1; } }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-badge {
  position: absolute;
  top: 10px; right: 10px;
  background: var(--blue);
  color: var(--white);
  padding: 5px 11px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  z-index: 1;
}
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0);
  transition: background var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 12px;
  z-index: 1;
}
.gallery-item:hover .gallery-overlay { background: rgba(15, 23, 42, 0.55); }
.gallery-caption {
  color: var(--white);
  font-size: 13px;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover .gallery-caption { opacity: 1; }

/* ---------- Quote form ---------- */
.quote { position: relative; z-index: 2; background: var(--bg-elevated); padding: 120px 24px; }
.quote-container {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  padding: 56px 48px;
  box-shadow: var(--shadow-md);
}
.quote-container h2 { font-size: 34px; }
.quote-sub { margin: 12px 0 32px; color: var(--text-dim); font-size: 15px; }
form { text-align: left; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-dim); margin-bottom: 8px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  background: var(--bg-elevated);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-faint); }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}
.form-group input.invalid,
.form-group select.invalid { border-color: var(--error); }
.error-msg { display: block; color: var(--error); font-size: 13px; margin-top: 4px; min-height: 16px; }
.btn-submit { width: 100%; justify-content: center; margin-top: 8px; }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; }

/* ---------- Contact ---------- */
.contact { position: relative; z-index: 2; background: var(--bg); padding: 120px 24px; text-align: center; }
.contact-container { max-width: 900px; margin: 0 auto; }
.contact h2 { font-size: 34px; margin-bottom: 40px; }
.contact-items { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin-bottom: 32px; }
.contact-item {
  display: flex; align-items: center; gap: 12px;
  font-size: 15px; color: var(--text);
  background: var(--white);
  border: 1px solid var(--panel-border);
  padding: 14px 22px;
  border-radius: 100px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition), transform var(--transition);
}
.contact-item:hover { border-color: rgba(37, 99, 235, 0.3); transform: translateY(-2px); }
.contact-icon { display: flex; color: var(--blue); }
.contact-hours { display: flex; align-items: center; justify-content: center; gap: 8px; color: var(--text-faint); font-size: 14px; }
.contact-hours i { width: 15px; height: 15px; }

/* ---------- Footer ---------- */
.footer {
  position: relative; z-index: 2;
  background: var(--bg-elevated);
  border-top: 1px solid var(--panel-border);
  color: var(--text-faint);
  text-align: center;
  padding: 24px;
  font-size: 12px;
}
.footer p { margin-bottom: 4px; }
.footer a { color: var(--text-dim); }
.footer a:hover { color: var(--ink); }