/* ===== Variables ===== */
:root {
  --color-navy: #12314f;
  --color-navy-dark: #0b2033;
  --color-navy-light: #1e4670;
  --color-accent: #d97a3f;
  --color-accent-dark: #b96329;
  --color-bg: #faf7f2;
  --color-bg-alt: #f1ece2;
  --color-text: #22303f;
  --color-text-muted: #5b6b7a;
  --color-border: #e1e6ea;
  --color-success: #3f8f5f;

  --radius: 10px;
  --shadow: 0 10px 30px rgba(11, 32, 51, 0.08);
  --shadow-hover: 0 16px 40px rgba(11, 32, 51, 0.14);

  --container-width: 1140px;
  --font-heading: "Poppins", "Segoe UI", var(--font-body);
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

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

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

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

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }

.section-kicker {
  color: var(--color-accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}

h1, h2, h3 { font-family: var(--font-heading); font-weight: 600; color: var(--color-navy-dark); line-height: 1.2; letter-spacing: -0.01em; }

h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 20px; }

.center { text-align: center; margin-left: auto; margin-right: auto; }

.section-sub { color: var(--color-text-muted); margin-top: -8px; margin-bottom: 40px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: var(--color-accent-dark); transform: translateY(-2px); box-shadow: var(--shadow-hover); }

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }

.btn-block { width: 100%; }

.link-arrow {
  display: inline-block;
  margin-top: 8px;
  font-weight: 600;
  color: var(--color-accent-dark);
  border-bottom: 2px solid transparent;
}
.link-arrow:hover { border-color: var(--color-accent-dark); }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 242, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-navy-dark);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--color-navy);
  color: #fff;
  font-size: 1.1rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.2vw, 32px);
  white-space: nowrap;
}

.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--color-accent-dark); }

.nav-cta {
  background: var(--color-navy);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: var(--radius);
}
.nav-cta:hover { background: var(--color-navy-light); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-navy-dark);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(120deg, rgba(11,32,51,0.92), rgba(18,49,79,0.82)),
    linear-gradient(135deg, #1e4670, #0b2033);
  color: #fff;
  overflow: hidden;
}

.hero-content { position: relative; z-index: 1; max-width: 640px; }

.hero-kicker {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.hero h1 {
  color: #fff;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  margin-bottom: 20px;
}

.hero-text {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-stats strong {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-accent);
}
.hero-stats span {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

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

.about { background: var(--color-bg-alt); }

/* ===== Values ===== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.value-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.value-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }

.value-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  color: var(--color-accent-dark);
}
.value-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}
.value-icon svg path[fill] { fill: currentColor; stroke: none; opacity: 0.12; }

.value-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.value-card p { color: var(--color-text-muted); font-size: 0.92rem; }

/* ===== Projects ===== */
.projects { background: var(--color-bg-alt); }

.filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin: 40px 0 8px;
}

.filter-btn {
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}
.filter-btn:hover { border-color: var(--color-navy-light); color: var(--color-navy); }
.filter-btn.active {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: #fff;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.project-card {
  background: var(--color-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.project-card.is-hidden { display: none; }

.project-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.project-media img { width: 100%; height: 100%; object-fit: cover; }

.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
}
.badge-done { background: var(--color-success); }
.badge-progress { background: var(--color-accent); }

.project-body { padding: 22px; }
.project-body h3 { font-size: 1.1rem; margin-bottom: 8px; }
.project-body p { color: var(--color-text-muted); font-size: 0.92rem; }

/* ===== Before / After ===== */
.ba-wrapper { max-width: 760px; margin: 0 auto 56px; }
.ba-wrapper:last-child { margin-bottom: 0; }

.ba-slider {
  position: relative;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  user-select: none;
}

.ba-img { position: absolute; inset: 0; }
.ba-img img { width: 100%; height: 100%; object-fit: cover; user-select: none; }

.ba-before { width: 50%; overflow: hidden; }
.ba-before img { width: var(--ba-img-width, 200%); max-width: none; height: 100%; }

.ba-label {
  position: absolute;
  bottom: 16px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
  background: rgba(11, 32, 51, 0.75);
}
.ba-label-after { right: 16px; }
.ba-label-before { left: 16px; }

.ba-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  appearance: none;
  -webkit-appearance: none;
}

.ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: #fff;
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 0 4px rgba(255,255,255,0.25);
}
.ba-handle::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  transform: translate(-50%, -50%);
  box-shadow: var(--shadow);
}
.ba-handle::after {
  content: "◂ ▸";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--color-navy);
}

.ba-caption {
  text-align: center;
  margin-top: 16px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
}

.contact-info p { color: var(--color-text-muted); margin-bottom: 28px; }

.contact-details { display: flex; flex-direction: column; gap: 18px; }
.contact-details li { display: flex; flex-direction: column; gap: 2px; }
.contact-details strong { color: var(--color-navy-dark); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; }
.contact-details span { color: var(--color-text-muted); }

.contact-form {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
}

.form-row { margin-bottom: 18px; }
.form-row-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-row-group .form-row { margin-bottom: 0; }
.form-row label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-navy-dark);
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  resize: vertical;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-row select { appearance: auto; cursor: pointer; }
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-navy-light);
  box-shadow: 0 0 0 3px rgba(30, 70, 112, 0.15);
}

.form-note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--color-success);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
}
.footer-brand .logo-mark { background: var(--color-accent); }
.site-footer p { font-size: 0.85rem; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row-group { grid-template-columns: 1fr; gap: 0; }
  .form-row-group .form-row { margin-bottom: 18px; }
}

@media (max-width: 980px) {
  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--color-border); }
  .main-nav .nav-cta { text-align: center; margin-top: 10px; border-bottom: none; }
  .nav-toggle { display: flex; }
  .values-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
}