:root {
  --navy: #1e3a6b;
  --navy-dark: #142748;
  --navy-deep: #0d1b33;
  --black: #111111;
  --white: #ffffff;
  --stone: #f4f2ee;
  --stone-dark: #e5e0d8;
  --accent: #c9a96a;
  --accent-dark: #b08f4d;
  --text: #22262e;
  --muted: #5c6470;
  --border: #e2e5ea;
  --shadow: 0 10px 30px rgba(13, 27, 51, 0.10);
  --shadow-lg: 0 24px 60px rgba(13, 27, 51, 0.18);
  --maxw: 1200px;
  --radius: 6px;
  --font-head: "Georgia", "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  line-height: 1.65;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--navy-dark);
  line-height: 1.15;
  font-weight: 700;
}

a { color: var(--navy); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--accent-dark); }

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

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

.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.section--stone { background: var(--stone); }
.section--navy { background: var(--navy-dark); color: var(--white); }
.section--navy h1, .section--navy h2, .section--navy h3 { color: var(--white); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 14px;
}
.section--navy .eyebrow { color: var(--accent); }

.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

h2.section-title { font-size: clamp(1.9rem, 3.5vw, 2.8rem); margin-bottom: 16px; }
.lead { font-size: 1.12rem; color: var(--muted); }
.section--navy .lead { color: rgba(255,255,255,.82); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .02em;
  padding: 14px 30px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all .22s ease;
}
.btn--primary { background: var(--accent); color: var(--navy-deep); }
.btn--primary:hover { background: var(--accent-dark); color: var(--navy-deep); transform: translateY(-2px); }
.btn--navy { background: var(--navy); color: var(--white); }
.btn--navy:hover { background: var(--navy-dark); color: var(--white); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,.55); }
.btn--ghost:hover { background: var(--white); color: var(--navy-dark); }
.btn--outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn--outline:hover { background: var(--navy); color: var(--white); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
}
.nav__logo img { height: 46px; width: auto; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
}
.nav__links a {
  font-weight: 600;
  font-size: .96rem;
  color: var(--navy-dark);
  letter-spacing: .01em;
  position: relative;
  padding: 6px 0;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width .25s ease;
}
.nav__links a:hover::after,
.nav__links a.active::after { width: 100%; }
.nav__links a.active { color: var(--navy); }
.nav__cta { margin-left: 8px; }
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav__toggle span {
  width: 26px; height: 3px;
  background: var(--navy-dark);
  border-radius: 2px;
  transition: all .3s ease;
}

/* Hero */
.hero {
  position: relative;
  background:
    linear-gradient(115deg, rgba(13,27,51,.92) 0%, rgba(30,58,107,.86) 55%, rgba(30,58,107,.55) 100%),
    url("../images/hero.svg") center/cover no-repeat;
  color: var(--white);
  padding: 128px 0 118px;
}
.hero__inner { max-width: 760px; }
.hero h1 {
  color: var(--white);
  font-size: clamp(2.4rem, 5.4vw, 4.1rem);
  margin-bottom: 22px;
  letter-spacing: -.5px;
}
.hero p { font-size: 1.22rem; color: rgba(255,255,255,.9); margin-bottom: 34px; max-width: 620px; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__badge {
  display: inline-block;
  font-size: .8rem; font-weight: 700; letter-spacing: .16em;
  text-transform: uppercase; color: var(--accent);
  border: 1px solid rgba(201,169,106,.5);
  padding: 8px 16px; border-radius: 40px; margin-bottom: 26px;
}

/* Stats bar */
.stats {
  background: var(--navy-deep);
  color: var(--white);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
}
.stat { padding: 42px 18px; border-right: 1px solid rgba(255,255,255,.10); }
.stat:last-child { border-right: none; }
.stat__num { font-family: var(--font-head); font-size: 2.6rem; color: var(--accent); line-height: 1; }
.stat__label { font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.78); margin-top: 10px; }

/* Grid helpers */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* Cards */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 38px 32px;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card__icon {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--navy); color: var(--accent);
  border-radius: var(--radius);
  margin-bottom: 22px;
}
.card__icon svg { width: 28px; height: 28px; }
.card h3 { font-size: 1.35rem; margin-bottom: 12px; }
.card p { color: var(--muted); }

/* Split / feature */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.split__body h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom: 18px; }
.split__body p { color: var(--muted); margin-bottom: 16px; }

/* Values */
.value { padding: 34px 30px; border-left: 4px solid var(--accent); background: var(--white); border-radius: 0 var(--radius) var(--radius) 0; box-shadow: var(--shadow); }
.value h3 { font-size: 1.35rem; margin-bottom: 6px; }
.value .value__tag { font-family: var(--font-body); font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--accent-dark); display: block; margin-bottom: 12px; }
.value p { color: var(--muted); }

/* Projects gallery */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.project {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow);
}
.project img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.project:hover img { transform: scale(1.06); }
.project__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(13,27,51,.85) 0%, rgba(13,27,51,0) 55%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px; opacity: 1; transition: opacity .3s ease;
}
.project__overlay h3 { color: var(--white); font-size: 1.2rem; }
.project__overlay span { color: var(--accent); font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; }

.filters { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 42px; }
.filter {
  font-family: var(--font-body); font-weight: 600; font-size: .9rem;
  padding: 10px 22px; border-radius: 40px; border: 1px solid var(--border);
  background: var(--white); color: var(--navy-dark); cursor: pointer; transition: all .2s ease;
}
.filter:hover { border-color: var(--navy); }
.filter.active { background: var(--navy); color: var(--white); border-color: var(--navy); }

/* Steps */
.steps { counter-reset: step; display: grid; gap: 26px; }
.step { display: flex; gap: 24px; align-items: flex-start; }
.step__num {
  flex: 0 0 auto;
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--navy); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 1.4rem; font-weight: 700;
}
.step h3 { font-size: 1.25rem; margin-bottom: 6px; }
.step p { color: var(--muted); }

/* CTA band */
.cta-band { background: linear-gradient(120deg, var(--navy-dark), var(--navy)); color: var(--white); text-align: center; }
.cta-band h2 { color: var(--white); font-size: clamp(1.9rem, 3.5vw, 2.7rem); margin-bottom: 16px; }
.cta-band p { color: rgba(255,255,255,.85); font-size: 1.1rem; margin-bottom: 30px; max-width: 620px; margin-left: auto; margin-right: auto; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.contact-info__item { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 28px; }
.contact-info__item .ico {
  flex: 0 0 auto; width: 48px; height: 48px; border-radius: var(--radius);
  background: var(--navy); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
}
.contact-info__item .ico svg { width: 22px; height: 22px; }
.contact-info__item h4 { font-family: var(--font-body); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.contact-info__item p, .contact-info__item a { font-size: 1.1rem; color: var(--navy-dark); font-weight: 600; }

.form { background: var(--white); padding: 40px; border-radius: var(--radius); box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: .85rem; font-weight: 700; color: var(--navy-dark); margin-bottom: 8px; letter-spacing: .02em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border: 1px solid var(--border);
  border-radius: var(--radius); font-family: var(--font-body); font-size: 1rem; color: var(--text);
  transition: border-color .2s ease, box-shadow .2s ease; background: var(--stone);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(30,58,107,.12); background: var(--white);
}
.field textarea { resize: vertical; min-height: 130px; }
.form__note { font-size: .85rem; color: var(--muted); margin-top: 10px; }
.form__success {
  display: none; margin-top: 18px; padding: 14px 18px; border-radius: var(--radius);
  background: #e8f3ec; color: #1d6b3d; font-weight: 600; border: 1px solid #bfe2ca;
}
.form__success.show { display: block; }

/* Page hero (interior) */
.page-hero { background: linear-gradient(120deg, var(--navy-deep), var(--navy)); color: var(--white); padding: 96px 0 72px; }
.page-hero h1 { color: var(--white); font-size: clamp(2.1rem, 4.5vw, 3.3rem); margin-bottom: 14px; }
.page-hero p { color: rgba(255,255,255,.85); font-size: 1.15rem; max-width: 620px; }
.breadcrumb { font-size: .85rem; color: var(--accent); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 18px; }
.breadcrumb a { color: var(--accent); }

/* Footer */
.site-footer { background: var(--navy-deep); color: rgba(255,255,255,.75); padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.site-footer h4 { color: var(--white); font-family: var(--font-body); font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 18px; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: rgba(255,255,255,.75); }
.site-footer a:hover { color: var(--accent); }
.footer-brand img { height: 52px; margin-bottom: 18px; background: var(--white); padding: 10px 14px; border-radius: var(--radius); }
.footer-brand p { max-width: 340px; font-size: .95rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .85rem; }

/* Before / After project detail */
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.ba-item { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); background: var(--stone); }
.ba-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ba-tag {
  position: absolute; top: 16px; left: 16px;
  font-family: var(--font-body); font-weight: 700; font-size: .78rem;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 8px 16px; border-radius: 40px; color: var(--white);
}
.ba-tag--before { background: rgba(13,27,51,.9); }
.ba-tag--after { background: var(--accent-dark); color: var(--navy-deep); }
.ba-caption { padding: 16px 20px; }
.ba-caption h3 { font-size: 1.15rem; margin-bottom: 2px; }
.ba-caption p { color: var(--muted); font-size: .92rem; }

.project-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 8px; }
.project-meta .kv { border-left: 3px solid var(--accent); padding-left: 16px; }
.project-meta .kv span { display: block; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.project-meta .kv strong { font-family: var(--font-head); font-size: 1.15rem; color: var(--navy-dark); }

@media (max-width: 720px) {
  .ba-grid { grid-template-columns: 1fr; }
  .project-meta { grid-template-columns: 1fr; }
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 940px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
}
@media (max-width: 720px) {
  .nav__links {
    position: absolute; top: 82px; left: 0; right: 0;
    background: var(--white); flex-direction: column; align-items: flex-start;
    gap: 0; padding: 12px 24px 24px; box-shadow: var(--shadow); border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav__links.open { display: flex; }
  .nav__links li { width: 100%; }
  .nav__links a { display: block; padding: 14px 0; border-bottom: 1px solid var(--border); width: 100%; }
  .nav__links .nav__cta { border-bottom: none; padding-top: 16px; }
  .nav__toggle { display: flex; }
  .grid-2, .grid-3, .gallery, .form__row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}