/* ============================================================
   AG Engineering Solutions — Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600;9..144,700&family=Manrope:wght@300;400;500;600;700;800&display=swap');

:root {
  --green: #A6C521;
  --green-deep: #7a9614;
  --green-soft: #d6e88a;
  --green-tint: #f4f8e3;
  --ink: #1a1f15;
  --ink-2: #2b3225;
  --muted: #6b7361;
  --line: #d8d8d2;
  --line-soft: #ececea;
  --paper: #f7f7f5;
  --cream: #faf9f5;
  --white: #ffffff;

  --serif: 'Fraunces', 'Times New Roman', serif;
  --sans: 'Manrope', system-ui, sans-serif;

  --maxw: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  font-size: 16px;
  font-weight: 400;
}

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

/* ---------- Typography ---------- */
.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green-deep);
}
.eyebrow-muted { color: var(--muted); }

h1.display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 6.5vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
}
h2.section {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}
h3.card {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.italic { font-style: italic; font-weight: 300; }

p.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--ink-2);
  line-height: 1.55;
  max-width: 60ch;
}

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
section { padding: clamp(60px, 9vw, 120px) 0; }
.section-divider { border-top: 1px solid var(--line); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247,247,245,0.85);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--gutter);
  max-width: var(--maxw);
  margin: 0 auto;
}
.logo-link { display: flex; align-items: center; gap: 12px; }
.logo-mark { width: 38px; height: 38px; object-fit: contain; }
.logo-text {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  line-height: 1;
}
.logo-text span {
  display: block;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 4px;
}
.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-links a {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-2);
  letter-spacing: 0.02em;
  position: relative;
  padding: 6px 0;
  transition: color .2s;
}
.nav-links a:hover { color: var(--green-deep); }
.nav-links a.active { color: var(--green-deep); }
.nav-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--green);
}
.nav-cta {
  background: var(--green);
  color: var(--ink);
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background .2s;
}
.nav-cta:hover { background: var(--green-deep); color: var(--paper); }
.menu-toggle { display: none; background: transparent; border: 0; cursor: pointer; }
.menu-toggle svg { width: 26px; height: 26px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: all .25s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--green-deep); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: var(--paper); }
.btn-green { background: var(--green); color: var(--ink); }
.btn-green:hover { background: var(--green-deep); color: var(--paper); }
.btn .arrow { transition: transform .25s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Hero ---------- */
.hero {
  padding: clamp(50px, 7vw, 90px) 0 clamp(60px, 8vw, 100px);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.hero-eyebrow::before {
  content: '';
  width: 36px; height: 1px; background: var(--green-deep);
}
.hero h1 .accent { color: var(--green-deep); font-style: italic; font-weight: 300; }
.hero-meta {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}
.hero-visual {
  position: relative;
  aspect-ratio: 4/5;
  background: var(--ink);
  overflow: hidden;
}
.hero-visual img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(20%) contrast(1.05);
}
.hero-visual::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(166,197,33,0.18) 100%);
  mix-blend-mode: multiply;
  pointer-events: none;
}
.hero-tag {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  color: var(--paper);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  font-weight: 300;
  z-index: 2;
}
.hero-tag::before {
  content: ''; display: block; width: 30px; height: 1px;
  background: var(--green); margin-bottom: 14px;
}

/* ---------- Verticals (home two-up) ---------- */
.verticals {
  background: var(--cream);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.verticals-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}
.verticals-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
}
.vertical-card {
  background: var(--white);
  padding: clamp(28px, 4vw, 52px);
  display: flex;
  flex-direction: column;
  min-height: 520px;
  position: relative;
  transition: background .3s;
}
.vertical-card:hover { background: var(--green-tint); }
.vertical-num {
  font-family: var(--serif);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--green-deep);
  margin-bottom: 24px;
}
.vertical-img {
  aspect-ratio: 16/10;
  background: var(--ink);
  margin-bottom: 28px;
  overflow: hidden;
}
.vertical-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease;
}
.vertical-card:hover .vertical-img img { transform: scale(1.04); }
.vertical-card h3 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 400;
  letter-spacing: -0.015em;
  margin-bottom: 16px;
  line-height: 1.1;
}
.vertical-card p { color: var(--ink-2); margin-bottom: 24px; font-size: 0.98rem; }
.vertical-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: auto;
  padding-bottom: 28px;
}
.tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--line);
  color: var(--ink-2);
  background: var(--paper);
}
.vertical-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.vertical-link .arrow { transition: transform .25s; }
.vertical-card:hover .vertical-link .arrow { transform: translateX(6px); }

/* ---------- Brands strip ---------- */
.brands {
  padding: 60px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.brands-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
}
.brands-label {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: 1.4rem;
  line-height: 1.2;
  max-width: 220px;
}
.brand-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.brand-pill {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  padding: 14px 22px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-2);
  transition: all .2s;
}
.brand-pill:hover { border-color: var(--green); color: var(--green-deep); }

/* ---------- Capability list ---------- */
.capabilities-head {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  margin-bottom: 60px;
  align-items: end;
}
.cap-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.cap-item {
  background: var(--paper);
  padding: 36px 28px;
  transition: background .2s;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cap-item:hover { background: var(--green-tint); }
.cap-num {
  font-family: var(--serif);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--green-deep);
}
.cap-icon {
  width: 36px; height: 36px;
  color: var(--ink);
}
.cap-item h4 {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.cap-item p { font-size: 0.92rem; color: var(--muted); }

/* ---------- Sectors ---------- */
.sectors {
  background: var(--ink);
  color: var(--paper);
}
.sectors .eyebrow { color: var(--green); }
.sectors h2 { color: var(--paper); }
.sectors-head { margin-bottom: 56px; }
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
}
.sector {
  background: var(--ink);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 180px;
  transition: background .3s;
}
.sector:hover { background: var(--ink-2); }
.sector-icon {
  width: 28px; height: 28px;
  color: var(--green);
  margin-bottom: 8px;
}
.sector h4 {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--paper);
}
.sector p { font-size: 0.85rem; color: rgba(247,247,245,0.65); }

/* ---------- CTA strip ---------- */
.cta-strip {
  background: var(--green);
  color: var(--ink);
}
.cta-strip-inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
  align-items: center;
}
.cta-strip h2 { color: var(--ink); }
.cta-strip .btn-primary { background: var(--ink); }
.cta-strip .btn-primary:hover { background: var(--ink-2); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(247,247,245,0.7);
  padding: 80px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}
.footer-brand .logo-text { color: var(--paper); }
.footer-brand .logo-text span { color: rgba(247,247,245,0.5); }
.footer-brand p {
  margin-top: 20px;
  font-size: 0.9rem;
  max-width: 280px;
  color: rgba(247,247,245,0.6);
}
.footer-col h5 {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 0.92rem; }
.footer-col a:hover { color: var(--green); }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}
.footer-contact-item svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 3px; color: var(--green); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(247,247,245,0.5);
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
  padding: clamp(60px, 8vw, 110px) 0 clamp(50px, 6vw, 80px);
  border-bottom: 1px solid var(--line-soft);
}
.page-hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: end;
}
.page-hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
}
.page-hero h1 em { color: var(--green-deep); font-weight: 300; }
.crumbs {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 32px;
}
.crumbs a:hover { color: var(--green-deep); }
.crumbs .sep { margin: 0 10px; color: var(--green); }

/* ---------- Solutions blocks (project/services pages) ---------- */
.solution-section {
  border-bottom: 1px solid var(--line-soft);
}
.solution-section:nth-child(even) {
  background: var(--paper);
}
.solution-section:nth-child(even) .solution-content { order: 2; }
.solution-section:nth-child(even) .solution-visual { order: 1; }

.solution-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
  padding: clamp(50px, 7vw, 100px) var(--gutter);
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
}
.solution-num {
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--green-deep);
  margin-bottom: 14px;
  display: block;
}
.solution-block h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.solution-block p { color: var(--ink-2); margin-bottom: 14px; }
.solution-block ul {
  list-style: none;
  margin-top: 24px;
  border-top: 1px solid var(--line);
}
.solution-block li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  gap: 14px;
  align-items: start;
  font-size: 0.95rem;
}
.solution-block li::before {
  content: ''; flex-shrink: 0;
  width: 6px; height: 6px;
  background: var(--green);
  margin-top: 9px;
  border-radius: 50%;
}
.brand-callout {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 10px 16px;
  background: var(--green-tint);
  border: 1px solid var(--green-soft);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--green-deep);
  text-transform: uppercase;
}
.solution-visual {
  aspect-ratio: 4/3;
  background: var(--ink);
  overflow: hidden;
  position: relative;
}
.solution-visual img {
  width: 100%; height: 100%; object-fit: cover;
  filter: contrast(1.06) saturate(1.1);
  transition: transform .6s ease;
}
.solution-section:hover .solution-visual img { transform: scale(1.03); }
.solution-visual .label {
  position: absolute;
  bottom: 16px; left: 16px;
  background: rgba(26,31,21,0.85);
  color: var(--paper);
  padding: 8px 14px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- About: principles ---------- */
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 60px;
}
.principle {
  background: var(--paper);
  padding: 40px 32px;
}
.principle-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2.4rem;
  font-weight: 300;
  color: var(--green-deep);
  margin-bottom: 18px;
  line-height: 1;
}
.principle h4 {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.principle p { font-size: 0.95rem; color: var(--muted); }

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.contact-info { padding-top: 8px; }
.contact-block {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.contact-block:first-of-type { border-top: 1px solid var(--line); }
.contact-block .label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green-deep);
  margin-bottom: 10px;
}
.contact-block .value {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.contact-block .value a:hover { color: var(--green-deep); }
.contact-block .sub { font-size: 0.9rem; color: var(--muted); margin-top: 6px; }

.contact-form {
  background: var(--white);
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid var(--line);
}
.contact-form h3 {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.contact-form .sub {
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 28px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-field { margin-bottom: 18px; }
.form-field label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 8px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 12px 14px;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  transition: border-color .2s, background .2s;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--green-deep);
  background: var(--white);
}
.form-field textarea { resize: vertical; min-height: 110px; font-family: var(--sans); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { aspect-ratio: 16/11; order: -1; }
  .verticals-grid { grid-template-columns: 1fr; }
  .cap-list { grid-template-columns: repeat(2, 1fr); }
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .solution-block { grid-template-columns: 1fr; }
  .solution-section:nth-child(even) .solution-content,
  .solution-section:nth-child(even) .solution-visual { order: 0; }
  .page-hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .capabilities-head { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-strip-inner { grid-template-columns: 1fr; }
  .brands-grid { grid-template-columns: 1fr; gap: 30px; }
  .verticals-head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 720px) {
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); flex-direction: column; gap: 0; padding: 20px var(--gutter) 28px; border-bottom: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--line-soft); width: 100%; }
  .nav-links a.active::after { display: none; }
  .nav-links .nav-cta { margin-top: 8px; text-align: center; width: 100%; }
  .menu-toggle { display: block; }
  .cap-list { grid-template-columns: 1fr; }
  .sectors-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}