/* ============================================================
   FLEXI-MESH — styles.css
   Brand green: #8abd24 | Dark: #0d0d0d | Light: #f7f7f5
   Fonts: Barlow Condensed (headlines) + Inter (body)
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #111;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

/* --- Variables --- */
:root {
  --green: #8abd24;
  --green-dark: #739d1e;
  --dark: #0d0d0d;
  --dark-mid: #161616;
  --surface: #1f1f1f;
  --light: #f7f7f5;
  --white: #fff;
  --muted-dark: rgba(255,255,255,0.55);
  --muted-light: #666;
  --border-light: rgba(0,0,0,0.1);
  --border-dark: rgba(255,255,255,0.1);
  --nav-h: 72px;
  --pad: 100px;
  --max: 1200px;
  --gutter: 48px;
}

/* --- Typography --- */
h1,h2,h3,h4,h5 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(52px, 7vw, 92px); font-weight: 800; }
h2 { font-size: clamp(36px, 4.5vw, 60px); }
h3 { font-size: clamp(24px, 2.5vw, 34px); }
h4 { font-size: clamp(18px, 2vw, 22px); font-weight: 600; }
p  { font-size: 16px; line-height: 1.75; color: var(--muted-light); }
a  { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* --- Layout --- */
.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section   { padding: var(--pad) 0; }
.section--dark  { background: var(--dark); color: var(--white); }
.section--dark p { color: var(--muted-dark); }
.section--mid   { background: var(--dark-mid); color: var(--white); }
.section--mid p  { color: var(--muted-dark); }
.section--light { background: var(--light); }

.label {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 14px;
}

/* --- Photo placeholders (swap for real images) --- */
.photo {
  background-color: #0f1508;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.btn--primary { background: var(--green); color: #0d0d0d; border-color: var(--green); }
.btn--primary:hover { background: var(--green-dark); border-color: var(--green-dark); }
.btn--white-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,0.35); }
.btn--white-outline:hover { border-color: rgba(255,255,255,0.8); background: rgba(255,255,255,0.07); }
.btn--dark-outline { background: transparent; color: #111; border-color: rgba(0,0,0,0.25); }
.btn--dark-outline:hover { border-color: rgba(0,0,0,0.65); }

/* --- Navigation --- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.3s ease;
}
.nav.scrolled {
  background: rgba(13,13,13,0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-dark);
}
.nav__inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
}
.nav__logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav__logo img { height: 36px; width: auto; }
.nav__logo span { color: var(--green); }
.nav__links { display: flex; align-items: center; gap: 20px; list-style: none; }
.nav__links a {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 14px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}
.nav__links a:hover { color: #fff; }
.nav__burger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 6px;
}
.nav__burger span { display: block; width: 22px; height: 2px; background: #fff; transition: all 0.3s; }
.nav__burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--dark);
  border-top: 1px solid var(--border-dark);
  flex-direction: column;
  padding: 24px var(--gutter) 36px;
  gap: 0;
  z-index: 199;
}
.nav__mobile.open { display: flex; }
.nav__mobile a {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 20px; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-dark);
  transition: color 0.2s;
}
.nav__mobile a:hover { color: var(--green); }
.nav__mobile .btn { margin-top: 20px; justify-content: center; }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: 96px;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  /* REPLACE: background-image: url('../images/hero.jpg'); */
  background-size: cover;
  background-position: center;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.45) 50%, rgba(0,0,0,0.2) 100%);
}
.hero__content { position: relative; z-index: 2; max-width: 860px; }
.hero__eyebrow {
  display: flex; align-items: center; gap: 12px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--green); margin-bottom: 20px;
}
.hero__eyebrow::before {
  content: ''; display: block;
  width: 28px; height: 2px; background: var(--green);
}
.hero h1 { color: #fff; margin-bottom: 24px; }
.hero__sub {
  font-size: 18px; line-height: 1.65;
  color: rgba(255,255,255,0.68);
  max-width: 520px; margin-bottom: 40px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__tagline {
  position: absolute;
  bottom: 40px; right: var(--gutter);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(255,255,255,0.3);
}

/* --- Intro / What is Flexi-Mesh --- */
.intro__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.intro__text h2 { margin-bottom: 24px; }
.intro__text p  { margin-bottom: 18px; }
.intro__text .btn { margin-top: 8px; }
.intro__visual { aspect-ratio: 4/3; }

/* --- Applications --- */
.applications__head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 48px;
}
.applications__head h2 { max-width: 380px; }
.app-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 3px; }
.app-card {
  position: relative; aspect-ratio: 3/4; overflow: hidden; cursor: pointer;
}
.app-card__bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform 0.5s ease;
}
.app-card:hover .app-card__bg { transform: scale(1.05); }
.app-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.1) 55%);
  transition: background 0.3s;
}
.app-card:hover .app-card__overlay {
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.25) 55%);
}
.app-card__content {
  position: absolute; bottom: 0; left: 0; right: 0; padding: 28px 22px;
}
.app-card__title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 22px; font-weight: 700;
  color: #fff; margin-bottom: 8px; line-height: 1.1;
}
.app-card__desc {
  font-size: 13px; color: rgba(255,255,255,0.6);
  line-height: 1.5; margin: 0;
  max-height: 0; overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.35s ease;
  opacity: 0;
}
.app-card:hover .app-card__desc { max-height: 80px; opacity: 1; }
.app-card__link {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--green); margin-top: 12px;
  opacity: 0; transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.app-card:hover .app-card__link { opacity: 1; transform: translateY(0); }

/* --- Service Models --- */
.services__head { text-align: center; margin-bottom: 56px; }
.services__head h2 { color: #fff; margin-top: 10px; }
.services__head p { color: var(--muted-dark); max-width: 480px; margin: 12px auto 0; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; }
.svc-card {
  padding: 48px 36px;
  background: var(--dark-mid);
  border-top: 3px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.svc-card:hover { background: var(--surface); border-color: var(--green); }
.svc-card__num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 72px; font-weight: 800;
  color: rgba(255,255,255,0.05); line-height: 1;
  margin-bottom: 20px;
}
.svc-card__title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 28px; font-weight: 700;
  color: #fff; margin-bottom: 14px;
}
.svc-card__desc {
  font-size: 15px; color: rgba(255,255,255,0.58);
  line-height: 1.7; margin-bottom: 24px;
}
.svc-card__for {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--green);
}

/* --- Why Flexi-Mesh --- */
.why__head { max-width: 600px; margin-bottom: 60px; }
.why__head h2 { margin-top: 10px; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 40px; }
.why-item {
  padding: 28px 0;
  border-top: 2px solid var(--border-light);
}
.why-item__icon { margin-bottom: 18px; color: var(--green); }
.why-item h4 { color: #111; margin-bottom: 8px; }
.why-item p  { font-size: 14px; }

/* --- Gallery --- */
.gallery__head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 40px;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 260px;
  gap: 4px;
}
.g-item { overflow: hidden; }
.g-item:nth-child(1) { grid-column: span 7; }
.g-item:nth-child(2) { grid-column: span 5; }
.g-item:nth-child(3) { grid-column: span 4; }
.g-item:nth-child(4) { grid-column: span 4; }
.g-item:nth-child(5) { grid-column: span 4; }
.g-item .photo {
  width: 100%; height: 100%;
  background-size: cover; background-position: center;
  transition: transform 0.5s ease;
}
.g-item:hover .photo { transform: scale(1.04); }

/* --- AWG Backing --- */
.backing__inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.backing__text h2 { color: #fff; margin-bottom: 22px; }
.backing__text p  { margin-bottom: 18px; }
.backing__text .btn { margin-top: 8px; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3px; }
.stat-block { padding: 36px 28px; background: var(--dark-mid); }
.stat-block__num {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 48px; font-weight: 800;
  color: var(--green); line-height: 1; margin-bottom: 8px;
}
.stat-block__label { font-size: 13px; color: rgba(255,255,255,0.45); line-height: 1.5; }

/* --- Final CTA --- */
.final-cta {
  padding: 120px 0;
  background: var(--dark-mid);
  text-align: center;
  position: relative; overflow: hidden;
}
.final-cta::before {
  content: 'FLEXI-MESH';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(80px, 15vw, 220px);
  font-weight: 800;
  color: rgba(255,255,255,0.02);
  white-space: nowrap; pointer-events: none;
  letter-spacing: 0.05em;
}
.final-cta h2 { color: #fff; max-width: 640px; margin: 12px auto 16px; }
.final-cta > .container > p { max-width: 460px; margin: 0 auto 40px; }
.cta-contacts {
  display: flex; align-items: center; justify-content: center;
  gap: 56px; margin-top: 52px;
  padding-top: 48px; border-top: 1px solid var(--border-dark);
  flex-wrap: wrap;
}
.cta-contact .label { color: rgba(255,255,255,0.35); margin-bottom: 5px; }
.cta-contact a {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 20px; font-weight: 600;
  color: #fff; transition: color 0.2s;
}
.cta-contact a:hover { color: var(--green); }

/* --- Footer --- */
.footer {
  background: #080808;
  color: #fff;
  padding: 64px 0 32px;
}
.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  margin-bottom: 28px;
}
.footer__brand .nav__logo { display: inline-block; margin-bottom: 16px; }
.footer__brand p { font-size: 13px; color: rgba(255,255,255,0.38); line-height: 1.7; max-width: 270px; }
.footer__col h5 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.35); margin-bottom: 18px;
}
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer__col a { font-size: 14px; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer__col a:hover { color: var(--green); }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px;
}
.footer__bottom p { font-size: 12px; color: rgba(255,255,255,0.25); margin: 0; }
.footer__bottom a { color: rgba(255,255,255,0.25); transition: color 0.2s; }
.footer__bottom a:hover { color: var(--green); }

/* --- Inner page header --- */
.page-header {
  padding-top: calc(var(--nav-h) + 80px);
  padding-bottom: 60px;
  background: var(--dark);
  color: #fff;
}
.page-header .label { margin-bottom: 16px; }
.page-header h1 { color: #fff; margin-bottom: 20px; }
.page-header p  { color: var(--muted-dark); max-width: 560px; font-size: 18px; }

/* --- Contact page --- */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.5fr;
  gap: 80px; align-items: start;
  padding-top: 80px; padding-bottom: var(--pad);
}
.contact-person {
  background: var(--light); padding: 28px; margin-bottom: 32px;
}
.contact-person__name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 22px; font-weight: 700; color: #111; margin-bottom: 4px;
}
.contact-person__role { font-size: 12px; color: var(--muted-light); letter-spacing: 0.06em; text-transform: uppercase; }
.contact-details { display: flex; flex-direction: column; gap: 14px; margin-top: 28px; }
.contact-detail { display: flex; gap: 12px; align-items: baseline; }
.contact-detail__label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--green); width: 56px; flex-shrink: 0;
}
.contact-detail a { font-size: 15px; color: #111; transition: color 0.2s; }
.contact-detail a:hover { color: var(--green); }

/* --- Form --- */
.form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted-light);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 13px 15px;
  border: 1px solid rgba(0,0,0,0.15);
  background: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 15px; color: #111;
  outline: none;
  -webkit-appearance: none;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--green); }
.form-group textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 12px; color: var(--muted-light); text-align: center; margin-top: 4px; }

/* --- Projects grid --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding-top: 60px; padding-bottom: var(--pad);
}
.project-card { position: relative; aspect-ratio: 4/3; overflow: hidden; cursor: pointer; }
.project-card .photo { width: 100%; height: 100%; transition: transform 0.5s ease; }
.project-card:hover .photo { transform: scale(1.04); }
.project-card__info {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 100%);
  transform: translateY(8px); opacity: 0;
  transition: all 0.3s ease;
}
.project-card:hover .project-card__info { transform: translateY(0); opacity: 1; }
.project-card__tag {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--green); margin-bottom: 4px;
}
.project-card__name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 18px; font-weight: 700; color: #fff;
}

/* --- Fade-in animations --- */
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  :root { --gutter: 32px; --pad: 80px; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .backing__inner { grid-template-columns: 1fr; gap: 48px; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .intro__inner { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --gutter: 24px; --nav-h: 64px; }
  .nav__links, .nav__cta-btn { display: none; }
  .nav__burger { display: flex; }
  .applications__head { flex-direction: column; align-items: flex-start; gap: 16px; }
  .gallery__head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 200px; }
  .g-item { grid-column: span 1 !important; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__tagline { display: none; }
  .cta-contacts { flex-direction: column; gap: 28px; }
  .footer__top { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .app-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
}