/* ============================================================
   Ararat Air Conditioning & Refrigeration
   Design language: technical / blueprint — measurement ticks,
   hairline rules, a single recurring ridge-line motif drawn
   from the Mount Ararat mark in the logo.
   ============================================================ */

@font-face{
  font-family: "Barlow Condensed";
  src: url("../fonts/barlow-condensed-latin-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: "Barlow Condensed";
  src: url("../fonts/barlow-condensed-latin-600-normal.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: "Barlow Condensed";
  src: url("../fonts/barlow-condensed-latin-700-normal.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: "Inter";
  src: url("../fonts/inter-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: "Inter";
  src: url("../fonts/inter-latin-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: "Inter";
  src: url("../fonts/inter-latin-600-normal.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face{
  font-family: "Inter";
  src: url("../fonts/inter-latin-700-normal.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root{
  --navy-950: #0a1730;
  --navy-900: #0e1f3d;
  --navy-800: #142a52;
  --brand-blue: #2f3595;
  --ice-400: #5cc2ea;
  --ice-100: #eaf6fb;
  --paper: #f6f7f9;
  --paper-dim: #eceef2;
  --ink: #10182a;
  --slate: #55617a;
  --slate-soft: #8892a6;
  --line: rgba(16,24,42,0.12);
  --line-on-dark: rgba(255,255,255,0.16);
  --radius-s: 3px;

  --font-head: "Barlow Condensed", sans-serif;
  --font-body: "Inter", sans-serif;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a{ color: inherit; }

.wrap{
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

h1, h2, h3, h4{
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.02;
  margin: 0;
  letter-spacing: 0.001em;
}

p{ margin: 0; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* Visible focus */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--ice-400);
  outline-offset: 3px;
}

/* ---------------- Corner ticks (technical-drawing frame) ---------------- */
.ticked{
  position: relative;
}
.ticked::before, .ticked::after,
.ticked .tick-tl, .ticked .tick-br{
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--ice-400);
  opacity: 0.9;
}
.ticked::before{ top: -9px; left: -9px; border-right: none; border-bottom: none; }
.ticked::after{ bottom: -9px; right: -9px; border-left: none; border-top: none; }

/* ---------------- Header ---------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy-950);
  border-bottom: 1px solid var(--line-on-dark);
}
.site-header .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}
.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  text-decoration: none;
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
}
.brand img{
  width: 44px;
  height: 44px;
  border-radius: 50%;
  flex: none;
}
.brand-name{
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.18rem;
  line-height: 1.05;
  white-space: nowrap;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.brand-name span{
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.68rem;
  color: var(--ice-400);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.main-nav{
  display: flex;
  align-items: center;
  gap: 30px;
}
.main-nav a{
  color: #cfd7e6;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.main-nav a:hover{ color: #fff; }

.call-btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ice-400);
  color: var(--navy-950);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 10px 18px;
  border-radius: var(--radius-s);
  white-space: nowrap;
  flex: none;
}
.call-btn:hover{ background: #7fd0ee; }

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--line-on-dark);
  color: #fff;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-s);
  font-size: 1.2rem;
  cursor: pointer;
  flex: none;
}

/* ---------------- Hero ---------------- */
.hero{
  background: var(--navy-950);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 64px 0 0;
}
.hero .grid-lines{
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-on-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-on-dark) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.25;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
  pointer-events: none;
}
.hero-inner{
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding-bottom: 70px;
}
.hero h1{
  font-size: clamp(2.4rem, 4.6vw, 3.6rem);
  color: #fff;
  max-width: 15ch;
}
.hero-sub{
  margin-top: 20px;
  color: #c3cbdc;
  font-size: 1.08rem;
  max-width: 46ch;
}
.hero-ctas{
  margin-top: 30px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-ghost{
  display: inline-flex;
  align-items: center;
  padding: 12px 20px;
  border: 1px solid var(--line-on-dark);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius-s);
  font-weight: 500;
  font-size: 0.95rem;
}
.btn-ghost:hover{ border-color: var(--ice-400); color: var(--ice-400); }

.hero-credentials{
  margin-top: 40px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--line-on-dark);
}
.hero-credentials div{
  font-size: 0.85rem;
  color: #aeb8cc;
}
.hero-credentials strong{
  display: block;
  color: #fff;
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 600;
}

.hero-photo{
  position: relative;
  margin: 0 0 -1px;
}
.hero-photo img{
  width: 100%;
  aspect-ratio: 4/3.1;
  object-fit: cover;
  border-radius: var(--radius-s);
}

/* Ridge line motif */
.ridge{
  display: block;
  width: 100%;
  height: auto;
}
.ridge path{
  fill: none;
  stroke: var(--ice-400);
  stroke-width: 1.4;
  opacity: 0.7;
}
.ridge.fill path{
  fill: var(--navy-900);
  stroke: none;
}

/* ---------------- Trust strip ---------------- */
.trust-strip{
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.trust-strip ul{
  list-style: none;
  margin: 0;
  padding: 20px 0;
  display: flex;
  gap: 0;
}
.trust-strip li{
  flex: 1;
  padding: 0 26px;
  font-size: 0.9rem;
  color: var(--slate);
  border-left: 1px solid var(--line);
}
.trust-strip li:first-child{ border-left: none; padding-left: 0; }
.trust-strip strong{ color: var(--ink); font-weight: 600; }

/* ---------------- Section shell ---------------- */
section{ padding: 88px 0; }
.section-head{
  max-width: 60ch;
  margin-bottom: 56px;
}
.section-head h2{
  font-size: clamp(2rem, 3.4vw, 2.7rem);
  color: var(--ink);
}
.section-head p{
  margin-top: 14px;
  color: var(--slate);
  font-size: 1.05rem;
}

/* ---------------- Services ---------------- */
.service-row{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
  padding: 48px 0;
  border-top: 1px solid var(--line);
}
.service-row:last-of-type{ border-bottom: 1px solid var(--line); }
.service-row.reverse .service-media{ order: 2; }
.service-row.reverse .service-text{ order: 1; }
.service-media img{
  border-radius: var(--radius-s);
  aspect-ratio: 5/4;
  object-fit: cover;
}
.service-num{
  font-family: var(--font-head);
  font-size: 0.95rem;
  color: var(--slate-soft);
  margin-bottom: 10px;
}
.service-text h3{
  font-size: 1.9rem;
  color: var(--ink);
  font-weight: 600;
}
.service-text p{
  margin-top: 14px;
  color: var(--slate);
  max-width: 46ch;
}

.service-note{
  display: flex;
  gap: 18px;
  align-items: baseline;
  padding: 30px 0 0;
  color: var(--slate);
  font-size: 0.98rem;
}
.service-note strong{ color: var(--ink); }

/* ---------------- Gallery ---------------- */
.gallery-section{
  background: var(--navy-950);
  color: #fff;
}
.gallery-section .section-head h2{ color: #fff; }
.gallery-section .section-head p{ color: #aeb8cc; }

.gallery-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.gallery-grid a{
  display: block;
  overflow: hidden;
  border-radius: var(--radius-s);
  position: relative;
  aspect-ratio: 4 / 3.2;
}
.gallery-grid img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------------- About ---------------- */
.about{
  background: var(--ice-100);
}
.about-inner{
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.about-mark{
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-mark img{
  width: 100%;
  max-width: 260px;
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 18px 40px rgba(16,24,42,0.14);
}
.about h2{
  font-size: clamp(2rem, 3.4vw, 2.6rem);
  color: var(--ink);
}
.about p{
  margin-top: 18px;
  color: var(--slate);
  font-size: 1.05rem;
  max-width: 56ch;
}
.about-list{
  margin-top: 28px;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}
.about-list li{
  padding-left: 22px;
  position: relative;
  color: var(--ink);
  font-size: 0.98rem;
}
.about-list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 2px;
  background: var(--brand-blue);
}

/* ---------------- Contact / footer ---------------- */
.contact{
  background: var(--navy-950);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.contact .grid-lines{
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-on-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-on-dark) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.2;
}
.contact-inner{
  position: relative;
  text-align: left;
  padding: 20px 0 10px;
}
.contact h2{
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  color: #fff;
  max-width: 16ch;
}
.contact-phone{
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  margin-top: 30px;
  text-decoration: none;
  color: #fff;
}
.contact-phone .num{
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 600;
  color: var(--ice-400);
  letter-spacing: 0.01em;
}
.contact-phone .lbl{
  color: #aeb8cc;
  font-size: 0.95rem;
}
.contact-meta{
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  padding-top: 30px;
  border-top: 1px solid var(--line-on-dark);
}
.contact-meta h4{
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--ice-400);
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}
.contact-meta p, .contact-meta ul{
  color: #c3cbdc;
  font-size: 0.94rem;
  margin: 0;
  padding: 0;
  list-style: none;
  line-height: 1.7;
}

.site-footer{
  background: var(--navy-950);
  border-top: 1px solid var(--line-on-dark);
  padding: 22px 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #8592ab;
  font-size: 0.82rem;
  position: relative;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 900px){
  .main-nav{
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--navy-950);
    border-bottom: 1px solid var(--line-on-dark);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 6px 28px 18px;
  }
  .main-nav a{ padding: 12px 0; width: 100%; border-top: 1px solid var(--line-on-dark); }
  .main-nav a:first-child{ border-top: none; }
  .main-nav.nav-open{ display: flex; }
  .nav-toggle{ display: inline-flex; align-items:center; justify-content:center; }
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-photo{ order: -1; }
  .trust-strip ul{ flex-direction: column; gap: 14px; }
  .trust-strip li{ border-left: none; padding-left: 0; border-top: 1px solid var(--line); padding-top: 14px; }
  .trust-strip li:first-child{ border-top: none; padding-top: 0; }
  .service-row{ grid-template-columns: 1fr; gap: 22px; }
  .service-row.reverse .service-media{ order: 1; }
  .service-row.reverse .service-text{ order: 2; }
  .gallery-grid{ grid-template-columns: repeat(2, 1fr); }
  .about-inner{ grid-template-columns: 1fr; }
  .about-mark{ max-width: 220px; margin: 0 auto; }
  .contact-meta{ grid-template-columns: 1fr; }
  section{ padding: 60px 0; }
}

@media (max-width: 560px){
  .call-btn span{ display:none; }
  .brand-name span{ display:none; }
}

@media (max-width: 430px){
  .brand-name{ display:none; }
  .site-header .wrap{ gap: 10px; }
}