/* The SPGARG group — website styles */

:root {
  --green: #254343;
  --green-mid: #35605C;
  --ink: #1A2926;
  --text: #4C5C58;
  --label: #63726E;
  --bg: #EDF1EC;
  --deep: #15211F;
  --gutter: 16px;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Helvetica Neue", "Segoe UI", sans-serif;
  --display: "Cormorant Garamond", "Iowan Old Style", Georgia, "Times New Roman", serif;
}
@media (min-width: 600px) { :root { --gutter: 32px; } }

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 24px; }
@media (min-width: 900px) { html { scroll-padding-top: 116px; } }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Soft brand light behind the glass */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(42vmax 42vmax at 8% 4%, rgba(53, 96, 92, 0.30), transparent 70%),
    radial-gradient(38vmax 38vmax at 94% 10%, rgba(198, 176, 128, 0.26), transparent 70%),
    radial-gradient(44vmax 44vmax at 14% 90%, rgba(53, 96, 92, 0.18), transparent 70%),
    radial-gradient(36vmax 36vmax at 88% 78%, rgba(198, 176, 128, 0.18), transparent 70%);
}

img { display: block; max-width: 100%; height: auto; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3 { margin: 0; color: var(--ink); font-family: var(--display); font-weight: 600; letter-spacing: 0.005em; text-wrap: balance; }
p { margin: 0; }
button { font: inherit; }
a, button { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #2F6E66; outline-offset: 3px; }
.on-dark :focus-visible { outline-color: #FFFFFF; }

.container { width: min(1120px, 100% - 2 * var(--gutter)); margin-inline: auto; }
.skip-link { position: absolute; left: 16px; top: -80px; z-index: 100; padding: 12px 18px; border-radius: 999px; background: #FFFFFF; color: var(--green); font-weight: 600; }
.skip-link:focus { top: 16px; }

.h1 { font-size: clamp(42px, 6.4vw, 84px); line-height: 1.04; }
.h2 { font-size: clamp(30px, 4vw, 52px); line-height: 1.1; }
.lead { font-size: clamp(17px, 1.5vw, 21px); line-height: 1.55; color: var(--text); }
.text { font-size: clamp(16px, 1.2vw, 18px); line-height: 1.62; color: var(--text); }

/* The mark's double rule, used to open a section */
.rule-mark { display: flex; gap: 14px; width: 92px; margin-bottom: 18px; }
.rule-mark span { flex: 1 1 0; height: 2px; background: rgba(37, 67, 67, 0.45); }

/* ---------- Glass materials ---------- */
.glass {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0) 45%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.52));
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    inset 0 -1px 0 rgba(255, 255, 255, 0.3),
    0 16px 36px -18px rgba(20, 45, 40, 0.3),
    0 2px 6px -2px rgba(20, 45, 40, 0.08);
}
.glass--strong {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0) 45%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.76));
}
.glass-clear {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0.08) 55%), rgba(255, 255, 255, 0.1);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
  color: #FFFFFF;
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass, .glass--strong { background: rgba(255, 255, 255, 0.94); }
  .glass-clear { background: rgba(255, 255, 255, 0.18); }
}
@media (prefers-reduced-transparency: reduce) {
  .glass, .glass--strong { background: #FFFFFF !important; -webkit-backdrop-filter: none !important; backdrop-filter: none !important; }
  .glass-clear { background: rgba(255, 255, 255, 0.18) !important; -webkit-backdrop-filter: none !important; backdrop-filter: none !important; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 26px; border-radius: 999px;
  font-size: 16px; font-weight: 600; line-height: 1; white-space: nowrap; cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.3, 1.5, 0.5, 1), box-shadow 0.25s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: scale(0.97); }
.btn[disabled] { opacity: 0.7; cursor: progress; transform: none; }
.btn--lg { min-height: 54px; padding: 0 30px; font-size: 17px; }
.btn--tint {
  background: linear-gradient(180deg, #47817A 0%, #2F5E58 48%, #254343 100%);
  color: #FFFFFF; border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), inset 0 -2px 6px rgba(0, 30, 25, 0.25), 0 12px 26px -12px rgba(37, 67, 67, 0.7);
}
.btn--soft { background: rgba(37, 67, 67, 0.08); color: var(--green); border: 1px solid rgba(37, 67, 67, 0.14); }
.btn--glass { color: var(--green); }
.btn svg { flex-shrink: 0; }

/* ---------- Navigation ---------- */
.site-header {
  position: fixed; top: 20px; left: 0; right: 0; z-index: 50;
  width: min(1120px, 100% - 64px); height: 70px; margin-inline: auto;
  padding: 0 10px 0 24px; border-radius: 999px;
  display: none; align-items: center; justify-content: space-between;
}
.site-header.glass, .tabbar.glass {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0) 45%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.8));
}
.site-header__logo img { width: 132px; }
.site-nav { display: flex; align-items: center; gap: 4px; }
.nav-item {
  display: inline-flex; align-items: center; height: 44px; padding: 0 18px; border-radius: 999px;
  font-size: 15px; font-weight: 500; color: var(--ink); transition: background-color 0.2s ease;
}
.nav-item:hover { text-decoration: none; background-color: rgba(255, 255, 255, 0.6); }
.site-nav .btn { min-height: 48px; margin-left: 8px; padding: 0 20px 0 16px; font-size: 15px; }
@media (min-width: 900px) { .site-header { display: flex; } }

.mobile-top {
  position: absolute; top: calc(14px + env(safe-area-inset-top)); left: 16px; right: 16px; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
}
.mobile-top__logo { display: flex; align-items: center; height: 52px; padding: 0 18px; border-radius: 999px; }
.mobile-top__logo img { width: 104px; }
.icon-btn { width: 52px; height: 52px; min-height: 0; padding: 0; }

.tabbar-wrap {
  position: fixed; left: 16px; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); z-index: 50;
  display: flex; align-items: center; gap: 12px; max-width: 440px; margin-inline: auto;
  transition: opacity 0.2s ease, transform 0.25s ease;
}
.tabbar { flex: 1 1 auto; display: flex; gap: 2px; height: 64px; padding: 4px; border-radius: 999px; }
.tab {
  flex: 1 1 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  border-radius: 999px; font-size: 11px; font-weight: 600; color: #22322E; transition: background-color 0.2s ease;
}
.tab:hover { text-decoration: none; background-color: rgba(255, 255, 255, 0.5); }
.tab.is-current { background: rgba(255, 255, 255, 0.92); color: var(--green); box-shadow: 0 1px 3px rgba(20, 45, 40, 0.12), inset 0 1px 0 #FFFFFF; }
.mail-fab { flex: 0 0 64px; width: 64px; height: 64px; min-height: 0; padding: 0; }
@media (min-width: 900px) { .mobile-top, .tabbar-wrap { display: none; } }
@media (max-width: 899px) { body:has(.field:focus) .tabbar-wrap { opacity: 0; transform: translateY(24px); pointer-events: none; } }

/* ---------- Hero ---------- */
.hero { padding-top: calc(112px + env(safe-area-inset-top)); text-align: center; }
@media (min-width: 900px) { .hero { padding-top: 168px; } }
.hero__mark { width: min(300px, 62%); margin: 0 auto 26px; }
@media (min-width: 900px) { .hero__mark { width: 360px; margin-bottom: 34px; } }
.hero__lead { max-width: 640px; margin: 18px auto 0; }
.hero__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 26px; }
.hero__tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 34px; }
.tag {
  display: inline-flex; align-items: center; height: 40px; padding: 0 18px; border-radius: 999px;
  font-size: 14.5px; font-weight: 600; color: var(--green);
}
@media (min-width: 900px) { .hero__tags { gap: 10px; margin-top: 44px; } .tag { height: 44px; padding: 0 22px; font-size: 15px; } }

/* ---------- Sections ---------- */
.section { padding-top: 64px; }
@media (min-width: 900px) { .section { padding-top: 132px; } }
.section-head { max-width: 640px; margin-bottom: 26px; }
@media (min-width: 900px) { .section-head { margin-bottom: 48px; } }
.section-head p { margin-top: 14px; }

/* Companies */
.companies { display: grid; gap: 14px; }
@media (min-width: 640px) { .companies { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; } }
@media (min-width: 1000px) { .companies { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; } }
.company { display: flex; flex-direction: column; gap: 10px; padding: 26px 24px 28px; border-radius: 28px; }
@media (min-width: 900px) { .company { padding: 34px 32px 36px; border-radius: 32px; } }
.mono {
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  width: 54px; height: 54px; border-radius: 16px;
  background: linear-gradient(160deg, #4E8A82 0%, #2F5E58 55%, #254343 100%);
  color: #F4F1E9; font-family: var(--display); font-size: 21px; font-weight: 600; letter-spacing: 0.06em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 10px 20px -10px rgba(37, 67, 67, 0.7);
}
.company h3 { margin-top: 14px; font-size: clamp(23px, 2vw, 27px); line-height: 1.2; }
.company__work { display: inline-flex; align-items: center; align-self: flex-start; height: 32px; padding: 0 14px; border-radius: 999px; background: rgba(37, 67, 67, 0.08); font-size: 14px; font-weight: 600; color: var(--green); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 16px; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; align-items: start; } .contact-aside { grid-column: 1 / span 5; } .contact-card { grid-column: 7 / span 6; } }
.details { display: flex; flex-direction: column; margin: 0; padding: 4px 18px; border-radius: 28px; list-style: none; }
.detail { display: flex; align-items: center; gap: 14px; padding: 14px 0; }
.detail + .detail { border-top: 1px solid rgba(20, 45, 40, 0.08); }
.detail__icon { display: flex; align-items: center; justify-content: center; flex-shrink: 0; width: 42px; height: 42px; border-radius: 13px; background: linear-gradient(160deg, #4E8A82 0%, #2F5E58 55%, #254343 100%); color: #FFFFFF; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35); }
.detail__label { display: block; font-size: 13px; color: var(--label); }
.detail__value { display: block; font-size: 16.5px; font-weight: 600; color: var(--ink); }
@media (min-width: 900px) { .details { padding: 8px 24px; border-radius: 30px; } .detail { padding: 16px 0; } .detail__value { font-size: 17px; } }

.contact-card { padding: 22px; border-radius: 30px; }
@media (min-width: 900px) { .contact-card { padding: 38px; border-radius: 34px; } }
.form-title { font-size: clamp(24px, 2.2vw, 30px); line-height: 1.15; }
.form-note { margin-top: 4px; font-size: 13.5px; line-height: 1.5; color: var(--label); }
.form-grid { display: grid; gap: 16px; margin-top: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 14px; font-weight: 600; color: var(--ink); }
.field {
  width: 100%; height: 52px; padding: 0 16px; border: 1px solid #8B9A96; border-radius: 14px;
  background: rgba(255, 255, 255, 0.85); font: inherit; font-size: 16px; color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}
.field::placeholder { color: #67756F; }
.field:focus { outline: none; background: #FFFFFF; border-color: #2F6E66; box-shadow: 0 0 0 4px rgba(47, 110, 102, 0.2); }
textarea.field { height: auto; min-height: 140px; padding: 14px 16px; line-height: 1.5; resize: vertical; }
.form-error { margin-top: 16px; padding: 12px 14px; border-radius: 14px; background: rgba(160, 40, 40, 0.08); color: #8E1F1F; font-size: 14.5px; line-height: 1.5; }
.form-actions { margin-top: 22px; }
.form-actions .btn { width: 100%; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-success { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; padding: 6px 0; }
.form-success:focus { outline: none; }
.form-success p { font-size: 16.5px; line-height: 1.55; color: var(--text); }
.success-mark { display: flex; align-items: center; justify-content: center; width: 52px; height: 52px; border-radius: 16px; background: linear-gradient(160deg, #4E8A82 0%, #2F5E58 55%, #254343 100%); color: #FFFFFF; }
@media (min-width: 600px) {
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
  .form-group--full { grid-column: 1 / -1; }
  .form-actions .btn { width: auto; min-width: 170px; }
}
@media (min-width: 900px) { .field { height: 54px; } textarea.field { min-height: 160px; } }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 64px; padding: 48px 0 calc(120px + env(safe-area-inset-bottom));
  border-radius: 34px 34px 0 0; background: var(--deep); color: #FFFFFF;
}
@media (min-width: 900px) { .site-footer { margin-top: 132px; padding: 72px 0 40px; border-radius: 44px 44px 0 0; } }
.site-footer a { color: #FFFFFF; }
.footer-grid { display: grid; gap: 32px; }
@media (min-width: 900px) { .footer-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; } .footer-brand { grid-column: 1 / span 4; } .footer-col--companies { grid-column: 6 / span 4; } .footer-col--contact { grid-column: 10 / span 3; } }
.footer-brand img { width: 150px; }
.footer-brand p { margin-top: 16px; font-size: 14.5px; line-height: 1.6; color: rgba(255, 255, 255, 0.72); }
.footer-col { display: flex; flex-direction: column; }
.footer-label { margin-bottom: 8px; font-size: 13px; font-weight: 600; color: rgba(255, 255, 255, 0.55); }
.footer-col li { font-size: 14.5px; line-height: 1.5; color: rgba(255, 255, 255, 0.82); }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; margin: 0; padding: 0; list-style: none; }
.footer-col a { display: flex; align-items: center; min-height: 44px; font-size: 15px; }
.footer-legal { margin-top: 32px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.14); font-size: 13px; line-height: 1.6; color: rgba(255, 255, 255, 0.6); }
@media (min-width: 900px) { .footer-legal { margin-top: 56px; padding-top: 22px; } .footer-col a { min-height: 36px; } }

/* ---------- One page-load moment ---------- */
@media (prefers-reduced-motion: no-preference) {
  .hero__mark { animation: rise 1s cubic-bezier(0.2, 0.8, 0.2, 1) both; }
  .hero__tags { animation: rise 0.9s cubic-bezier(0.3, 1.3, 0.5, 1) 0.5s both; }
}
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .btn, .nav-item, .tab, .field { transition: none; } .btn:hover, .btn:active { transform: none; } }