:root {
  --bg:        #f5f4f0;
  --bg2:       #ffffff;
  --bg3:       #eceae4;
  --border:    #e0ddd6;
  --border2:   #ccc9c0;
  --gray-900:  #1c1c1c;
  --gray-700:  #3a3a3a;
  --gray-500:  #6b6b6b;
  --gray-400:  #9a9a9a;
  --amber:     #f5a800;
  --amber-d:   #d98f00;
  --amber-l:   #fff8e6;
  --amber-m:   #fef3cc;
  --serif:  'DM Serif Display', Georgia, serif;
  --sans:   'Sora', system-ui, sans-serif;
  --radius: 10px;
  --nav-h:  68px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--bg); color: var(--gray-700); font-size: 15px; line-height: 1.65; min-height: 100vh; overflow-x: hidden; padding-top: var(--nav-h); }

/* NAV */
nav { position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 0 52px; background: rgba(245,244,240,0.92); backdrop-filter: blur(18px); border-bottom: 1px solid var(--border); }
.nav-logo { display: flex; align-items: center; cursor: pointer; text-decoration: none; user-select: none; gap: 0; }

.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { font-size: 13.5px; font-weight: 500; color: var(--gray-500); text-decoration: none; letter-spacing: 0.02em; cursor: pointer; transition: color 0.2s; position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -3px; left: 0; right: 0; height: 2px; background: var(--amber); transform: scaleX(0); transition: transform 0.2s ease; border-radius: 1px; }
.nav-links a:hover { color: var(--gray-900); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--gray-900); }
.nav-cta { padding: 9px 22px !important; background: var(--amber) !important; color: #fff !important; border-radius: 6px; font-weight: 600 !important; }
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--amber-d) !important; color: #fff !important; }
.hamburger { display: none; cursor: pointer; font-size: 22px; color: var(--gray-700); background: none; border: none; padding: 0; }

.skip-link { position: absolute; left: -9999px; top: 0; background: var(--gray-900); color: #fff; padding: 10px 16px; font-size: 14px; font-weight: 500; text-decoration: none; border-radius: 0 0 6px 0; z-index: 1000; }
.skip-link:focus { left: 0; outline: 2px solid var(--amber); outline-offset: 2px; }

/* PAGE FADE-IN */
main { animation: fade-up 0.35s ease forwards; }

/* LAYOUT */
.sec { padding: 48px 52px; }
.sec-first { padding: 52px 52px 48px; }
.ctr { max-width: 1120px; margin: 0 auto; }
.divider { height: 1px; background: var(--border); margin: 0 52px; }

/* LABEL */
.lbl { display: inline-flex; align-items: center; gap: 10px; font-size: 11px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--amber-d); margin-bottom: 18px; }
.lbl::before { content: ''; display: block; width: 18px; height: 2px; background: var(--amber); border-radius: 1px; }

/* TYPE */
h1 { font-family: var(--serif); font-size: clamp(40px, 5.5vw, 70px); line-height: 1.07; color: var(--gray-900); letter-spacing: -0.5px; font-weight: 400; }
h2 { font-family: var(--serif); font-size: clamp(28px, 3.5vw, 46px); line-height: 1.12; color: var(--gray-900); font-weight: 400; }
h3 { font-size: 18px; font-weight: 700; color: var(--gray-900); }
h4 { font-size: 13px; font-weight: 700; color: var(--gray-700); }
p { color: var(--gray-500); line-height: 1.75; }
.am { color: var(--amber); }

/* BUTTONS */
.btn-p { display: inline-flex; align-items: center; gap: 8px; padding: 13px 28px; background: var(--amber); color: #fff; border: none; border-radius: 7px; font-family: var(--sans); font-weight: 600; font-size: 14px; cursor: pointer; text-decoration: none; transition: background 0.2s, transform 0.15s, box-shadow 0.2s; }
.btn-p:hover { background: var(--amber-d); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,168,0,0.25); }
.btn-o { display: inline-flex; align-items: center; gap: 8px; padding: 12px 26px; background: transparent; color: var(--gray-700); border: 1.5px solid var(--border2); border-radius: 7px; font-family: var(--sans); font-weight: 500; font-size: 14px; cursor: pointer; text-decoration: none; transition: all 0.2s; }
.btn-o:hover { border-color: var(--amber); color: var(--amber-d); transform: translateY(-2px); }

/* HERO */
.hero { position: relative; padding: 56px 52px 72px; background: var(--bg); overflow: hidden; }
.hero-inner { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: 1fr 320px; gap: 64px; align-items: center; position: relative; z-index: 1; }
.hero-pattern { position: absolute; inset: 0; background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(ellipse 65% 90% at 90% 50%, rgba(0,0,0,0.35) 0%, transparent 70%); pointer-events: none; }
.hero-deco { width: 320px; height: 320px; pointer-events: none; position: relative; flex-shrink: 0; }
.hero-deco-r1 { position: absolute; inset: 0; border-radius: 50%; border: 1.5px solid var(--border2); }
.hero-deco-r2 { position: absolute; inset: 40px; border-radius: 50%; border: 1.5px solid var(--border); }
.hero-deco-core { position: absolute; inset: 80px; border-radius: 50%; background: var(--amber-l); border: 1.5px solid var(--amber); display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 4px; }
.hero-deco-num { font-family: var(--serif); font-size: 32px; color: var(--amber); line-height: 1; }
.hero-deco-txt { font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--amber-d); text-align: center; }
.hero-content { position: relative; z-index: 1; }
.hero h1 { margin-bottom: 22px; }
.hero-sub { font-size: 16.5px; color: var(--gray-500); line-height: 1.72; margin-bottom: 40px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 44px; flex-wrap: wrap; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border); }
.stat-num { font-family: var(--serif); font-size: 32px; color: var(--gray-900); line-height: 1; }
.stat-num span { color: var(--amber); }
.stat-lbl { font-size: 12px; color: var(--gray-400); margin-top: 3px; font-weight: 500; }

/* HOME PRODUCTS */
.home-products { background: var(--bg2); }
.prod-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 0; }
.prod-card { border: 1.5px solid var(--border); border-radius: 14px; padding: 40px 36px; cursor: pointer; transition: all 0.3s; position: relative; overflow: hidden; background: var(--bg2); text-decoration: none; color: inherit; display: block; }
.prod-card::before { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: var(--amber); transform: scaleX(0); transform-origin: left; transition: transform 0.35s ease; }
.prod-card:hover { border-color: var(--amber); transform: translateY(-5px); box-shadow: 0 20px 52px rgba(0,0,0,0.08); }
.prod-card:hover::before { transform: scaleX(1); }
.prod-icon { width: 46px; height: 46px; background: var(--amber-m); border: 1px solid var(--amber); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 21px; margin-bottom: 22px; }
.prod-card h3 { font-size: 20px; margin-bottom: 10px; }
.prod-card p { font-size: 14px; margin-bottom: 26px; }
.prod-link { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--amber-d); cursor: pointer; transition: gap 0.2s; text-decoration: none; }
.prod-link:hover { gap: 14px; }

/* TECH GRID */
.home-tech { background: var(--bg); }
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1.5px solid var(--border); border-radius: 12px; overflow: hidden; margin-top: 40px; }
.tech-item { padding: 28px 20px; text-align: center; border-right: 1px solid var(--border); background: var(--bg2); transition: background 0.2s; }
.tech-item:last-child { border-right: none; }
.tech-item:hover { background: var(--amber-l); }
.tech-ico { font-size: 26px; margin-bottom: 10px; }
.tech-name { font-size: 13px; font-weight: 700; color: var(--gray-900); }
.tech-desc { font-size: 11.5px; color: var(--gray-400); margin-top: 2px; }

/* ARGES */
.arges-hero { padding: 52px 52px 64px; background: var(--bg); position: relative; overflow: hidden; }
.arges-wm { position: absolute; right: -20px; bottom: -30px; font-family: var(--serif); font-size: 200px; color: rgba(0,0,0,0.03); pointer-events: none; user-select: none; line-height: 1; }
.arges-hero h2 { margin-bottom: 16px; }
.arges-hero p { max-width: 560px; font-size: 16px; margin-bottom: 32px; }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.feat-card { border: 1.5px solid var(--border); border-radius: var(--radius); padding: 26px 24px; background: var(--bg2); transition: all 0.25s; }
.feat-card:hover { border-color: var(--amber); background: var(--amber-l); transform: translateY(-3px); box-shadow: 0 10px 28px rgba(245,168,0,0.1); }
.feat-ico { font-size: 24px; margin-bottom: 11px; }
.feat-card h4 { font-size: 14px; font-weight: 700; margin-bottom: 6px; color: var(--gray-900); }
.feat-card p { font-size: 13px; }
.cloud-split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cloud-vis { background: var(--bg2); border: 1.5px solid var(--border); border-radius: 16px; padding: 48px 36px; text-align: center; position: relative; overflow: hidden; }
.cloud-vis::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 50% 30%, rgba(245,168,0,0.05), transparent 65%); }
.cloud-big { font-size: 68px; margin-bottom: 18px; }
.cloud-tags { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.ctag { padding: 4px 12px; border: 1px solid var(--border); border-radius: 100px; font-size: 11.5px; font-weight: 600; color: var(--gray-500); background: var(--bg3); letter-spacing: 0.03em; }
.cloud-list { list-style: none; margin-top: 24px; }
.cloud-list li { display: flex; align-items: flex-start; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 14px; color: var(--gray-700); }
.cloud-list li:last-child { border: none; }
.ck { color: var(--amber); font-size: 16px; flex-shrink: 0; font-weight: 700; }

/* SERVICES */
.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 48px; }
.svc-card { background: var(--bg2); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 30px; transition: all 0.25s; }
.svc-card:hover { border-color: var(--amber); box-shadow: 0 8px 28px rgba(245,168,0,0.09); transform: translateY(-3px); }
.svc-card h3 { margin-bottom: 8px; font-size: 16.5px; }
.svc-card > p { font-size: 13.5px; margin-bottom: 16px; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.stag { padding: 4px 10px; background: var(--amber-m); border: 1px solid rgba(245,168,0,0.3); border-radius: 4px; font-size: 11.5px; font-weight: 600; color: var(--amber-d); }
.stack-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 44px; }
@media (min-width: 901px) and (max-width: 1100px) { .stack-cols { grid-template-columns: repeat(2, 1fr); gap: 32px; } }
.sc-title { font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--amber-d); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--amber); }
.sc ul { list-style: none; }
.sc li { display: flex; align-items: center; gap: 10px; padding: 9px 0; font-size: 14px; color: var(--gray-700); border-bottom: 1px solid var(--border); }
.sc li:last-child { border: none; }
.sc li::before { content: '\2192'; color: var(--amber); font-size: 12px; flex-shrink: 0; }

/* REALISATIONS */
.proj-intro { padding: 52px 52px 44px; max-width: 1224px; margin: 0 auto; }
.proj-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 0 52px 88px; max-width: 1224px; margin: 0 auto; }
.proj-card { background: var(--bg2); border: 1.5px solid var(--border); border-radius: 14px; padding: 34px; transition: all 0.25s; position: relative; overflow: hidden; }
.proj-card::after { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 0; background: var(--amber); transition: height 0.35s ease; }
.proj-card:hover { border-color: rgba(245,168,0,0.4); transform: translateY(-4px); box-shadow: 0 16px 44px rgba(0,0,0,0.07); }
.proj-card:hover::after { height: 100%; }
.proj-num { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-400); margin-bottom: 12px; }
.proj-card h3 { font-size: 19px; margin-bottom: 4px; }
.proj-client { font-size: 12px; font-weight: 600; color: var(--amber-d); margin-bottom: 12px; letter-spacing: 0.02em; }
.proj-card p { font-size: 13.5px; margin-bottom: 18px; }
.proj-techs { display: flex; flex-wrap: wrap; gap: 6px; }
.ptag { padding: 3px 10px; border: 1px solid var(--border); border-radius: 4px; font-size: 11.5px; color: var(--gray-500); background: var(--bg3); font-weight: 500; }
.proj-cta { background: linear-gradient(135deg, var(--amber-l), var(--bg2)); border: 1.5px solid rgba(245,168,0,0.3); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; border-radius: 14px; padding: 34px; transition: all 0.25s; }
.proj-cta:hover { transform: translateY(-4px); box-shadow: 0 16px 44px rgba(245,168,0,0.1); }

/* CONTACT */
.contact-page { padding: 52px 52px 88px; min-height: calc(100vh - var(--nav-h)); background: var(--bg); }
.contact-split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; max-width: 1120px; margin: 0 auto; }
.ci { display: flex; align-items: flex-start; gap: 14px; padding: 17px 0; border-bottom: 1px solid var(--border); }
.ci:first-child { border-top: 1px solid var(--border); }
.ci-ico { width: 38px; height: 38px; background: var(--amber-l); border: 1px solid rgba(245,168,0,0.3); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 17px; flex-shrink: 0; }
.ci-lbl { font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-400); margin-bottom: 2px; }
.ci-val { font-size: 14.5px; color: var(--gray-900); font-weight: 500; }
.form-panel { background: var(--bg2); border: 1.5px solid var(--border); border-radius: 14px; padding: 40px; }
.form-panel h3 { margin-bottom: 26px; }
.fg { margin-bottom: 17px; }
.fg label { display: block; font-size: 10.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-500); margin-bottom: 7px; }
.fg input, .fg textarea, .fg select { width: 100%; padding: 11px 14px; background: var(--bg3); border: 1.5px solid var(--border); border-radius: 7px; color: var(--gray-900); font-family: var(--sans); font-size: 14px; transition: border-color 0.2s, box-shadow 0.2s; outline: none; resize: vertical; }
.fg input:focus, .fg textarea:focus, .fg select:focus { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(245,168,0,0.1); background: #fff; }
.fg textarea { min-height: 110px; }
.fg .field-error { display: block; margin-top: 6px; color: #b00020; font-size: 12px; font-weight: 500; }
.fg input.input-validation-error, .fg textarea.input-validation-error, .fg select.input-validation-error { border-color: #b00020; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-sub { width: 100%; padding: 13px; background: var(--amber); color: #fff; border: none; border-radius: 7px; font-family: var(--sans); font-weight: 700; font-size: 14.5px; cursor: pointer; margin-top: 6px; transition: all 0.2s; }
.form-sub:hover { background: var(--amber-d); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,168,0,0.3); }
.form-sub:disabled { opacity: 0.6; cursor: not-allowed; transform: none; box-shadow: none; }
.alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 22px; font-size: 14px; font-weight: 500; }
.alert-success { background: #e8f5ee; border: 1px solid #b6dec5; color: #1e6b3c; }
.alert-error { background: #fdecee; border: 1px solid #f5c2c7; color: #842029; }

/* FOOTER */
footer { padding: 34px 52px; border-top: 1px solid var(--border); background: var(--bg2); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.f-logo { display: flex; align-items: center; }
.f-copy { font-size: 12px; color: var(--gray-400); margin-top: 3px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.footer-links a { font-size: 13px; color: var(--gray-400); text-decoration: none; cursor: pointer; transition: color 0.2s; white-space: nowrap; }
.footer-links a:hover { color: var(--amber-d); }

/* ANIM */
@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.fu { animation: fade-up 0.6s ease forwards; }
.d1 { animation-delay: 0.08s; opacity: 0; }
.d2 { animation-delay: 0.18s; opacity: 0; }
.d3 { animation-delay: 0.28s; opacity: 0; }
.d4 { animation-delay: 0.4s; opacity: 0; }

@media (max-width: 900px) {
  nav { padding: 0 24px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-deco { display: none; }
  .sec, .sec-first, .hero, .arges-hero, .contact-page { padding-left: 24px; padding-right: 24px; }
  .prod-grid, .cloud-split, .svc-grid, .stack-cols, .contact-split { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { display: none; }
  .nav-links.is-open { display: flex; flex-direction: column; position: fixed; top: 68px; left: 0; right: 0; background: rgba(245,244,240,0.98); padding: 24px 24px 32px; gap: 18px; border-bottom: 1px solid var(--border); z-index: 99; backdrop-filter: blur(18px); }
  .hamburger { display: block; }
  .hero-stats { gap: 24px; }
  .proj-grid { grid-template-columns: 1fr; padding-left: 24px; padding-right: 24px; }
  .proj-intro { padding-left: 24px; padding-right: 24px; }
  footer { padding: 26px 24px; }
  .divider { margin: 0 24px; }
}
@media (max-width: 560px) { .feat-grid { grid-template-columns: 1fr; } }