/* =================== ROOT / RESET =================== */

em { font-style: normal; color: var(--accent-2); }

/* =================== BUTTONS =================== */

.btn--full { width: 100%; justify-content: center; }

/* =================== TOPBAR =================== */

.topbar__social a:hover { background: var(--accent); }

/* =================== HEADER =================== */

.brand__mark { width: 44px; height: 44px; background: var(--accent); color: #fff; background-color: #1ea7ff; font-family: 'Archivo', sans-serif; font-weight: 900; font-size: 1.05rem; display: flex; align-items: center; justify-content: center; border-radius: 8px; letter-spacing: -0.02em; position: relative; }
.brand__mark::after { content: ""; position: absolute; inset: 0; border-radius: 8px; border: 2px solid #1ea7ff; transform: translate(4px,4px); opacity: 0.25; pointer-events: none; }

/* =================== PAGE HERO =================== */
.page-hero {
  position: relative;
  background: var(--dark);
  padding: 70px 0 0;
  overflow: hidden;
}
.page-hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 80% 40%, rgba(13,92,245,.3), transparent 55%),
    radial-gradient(circle at 10% 70%, rgba(30,167,255,.15), transparent 50%),
    linear-gradient(135deg, var(--dark), var(--dark-2));
}
.page-hero__bg::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at 80% 50%, black, transparent 70%);
}
.page-hero__inner { position: relative; }
.breadcrumb { display: inline-flex; align-items: center; gap: 10px; font-size: 0.82rem; color: rgba(255,255,255,.45); margin-bottom: 28px; }
.breadcrumb a { color: rgba(255,255,255,.6); }

.breadcrumb i { font-size: 0.6rem; }
.breadcrumb span { color: var(--accent-2); font-weight: 600; }
.page-hero__content { max-width: 700px; margin-bottom: 50px; }
.page-hero__title { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 900; color: #fff; letter-spacing: -0.03em; line-height: 1.02; margin-bottom: 18px; }
.page-hero__desc { color: rgba(255,255,255,.7); font-size: 1rem; max-width: 520px; }

/* Channel tabs */
.channel-tabs {
  display: flex; gap: 4px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px 16px 0 0;
  padding: 8px 8px 0;
  width: fit-content;
}
.channel-tab {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 24px;
  font-family: 'Archivo', sans-serif; font-weight: 700;
  font-size: 0.88rem; letter-spacing: 0.04em;
  color: rgba(255,255,255,.6);
  background: transparent; border: none; cursor: pointer;
  border-radius: 10px 10px 0 0;
  transition: all .3s var(--t);
  position: relative; bottom: -1px;
}
.channel-tab:hover { color: #fff; background: rgba(255,255,255,.08); }
.channel-tab.active {
  background: #fff; color: var(--accent);
  box-shadow: 0 -4px 20px rgba(11,30,63,.1);
}
.channel-tab i { font-size: 1rem; }

/* =================== CONTACT AREA =================== */
.contact-area {
  padding: 0 0 100px;
  background: var(--bg-2);
  position: relative;
}
.contact-area::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(13,92,245,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(13,92,245,.03) 1px, transparent 1px);
  background-size: 60px 60px; pointer-events: none;
}
.contact-area__grid {
  position: relative;
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 40px;
  align-items: start;
  padding-top: 40px;
}

/* Sidebar */
.sidebar-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px 30px;
  box-shadow: 0 10px 40px rgba(11,30,63,.06);
  position: sticky; top: 100px;
}
.sidebar-card h3 { font-size: 1.35rem; margin-bottom: 28px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }

.sidebar-info { display: flex; flex-direction: column; gap: 20px; margin-bottom: 28px; }
.sidebar-info__item { display: flex; gap: 14px; align-items: flex-start; }
.sidebar-info__icon {
  flex-shrink: 0; width: 38px; height: 38px;
  background: var(--accent-soft); color: var(--accent);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem;
}
.sidebar-info__item strong { display: block; font-family: 'Archivo', sans-serif; font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); margin-bottom: 5px; }
.sidebar-info__item p { font-size: 0.88rem; color: var(--text-dim); line-height: 1.65; }
.sidebar-info__item a { color: var(--text-dim); }
.sidebar-info__item a:hover { color: var(--accent); }

.sidebar-map {
  border-radius: 12px; overflow: hidden; border: 1px solid var(--line);
  aspect-ratio: 16/8; background: var(--bg-3);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
}
.sidebar-map__inner { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.sidebar-map__inner i { font-size: 2rem; color: var(--accent); opacity: 0.4; }
.sidebar-map__inner span { font-size: 0.75rem; color: var(--text-mute); font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; }

.sidebar-social { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.sidebar-social p { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-dim); }
.sidebar-social__links { display: flex; gap: 8px; }
.sidebar-social__links a {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center; font-size: 0.8rem;
  transition: all .3s var(--t);
}
.sidebar-social__links a:hover { background: var(--accent); color: #fff; }

.sidebar-badge {
  display: flex; align-items: center; gap: 14px;
  background: var(--accent-soft); border: 1px solid rgba(13,92,245,.15);
  border-radius: 12px; padding: 16px;
}
.sidebar-badge__icon {
  width: 40px; height: 40px; background: var(--accent); color: #fff;
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.sidebar-badge strong { display: block; font-family: 'Archivo', sans-serif; font-size: 0.85rem; color: var(--text); margin-bottom: 3px; }
.sidebar-badge span { font-size: 0.78rem; color: var(--text-dim); }

/* Tab panels */
.tab-panel {
  display: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 0 20px 20px 20px;
  padding: 48px;
  box-shadow: 0 10px 40px rgba(11,30,63,.06);
  scroll-margin-top: 100px;
}
.tab-panel.active { display: block; }
.tab-panel__head {
  display: flex; align-items: flex-start; gap: 20px;
  margin-bottom: 36px; padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}
.tab-panel__icon {
  flex-shrink: 0; width: 52px; height: 52px;
  background: var(--accent); color: #fff;
  border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.tab-panel__head h2 { font-size: 1.6rem; margin-bottom: 8px; }
.tab-panel__head p { color: var(--text-dim); font-size: 0.95rem; }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label { font-family: 'Archivo', sans-serif; font-weight: 700; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); }
.required-mark { color: #dc2626; margin-left: 3px; }
.form-group input, .form-group select, .form-group textarea {
  font-family: 'Inter', sans-serif; font-size: 0.95rem; color: var(--text);
  background: var(--bg-2); border: 1.5px solid var(--line);
  border-radius: 10px; padding: 13px 16px; outline: none;
  transition: all .25s var(--t); width: 100%;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-mute); }
.form-group select { appearance: none; cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 130px; }
/* Field-level validation reads below the field itself, not as a red border on the
   input -- .field-error stays empty/hidden until JS (contact.js) populates it for an
   invalid field on submit. */
.field-error { display: none; font-size: 0.78rem; color: #dc2626; }
.form-group--invalid .field-error { display: block; }
input[type="date"] { font-family: 'Inter', sans-serif; color: var(--text); }
.form-status { font-size: 0.85rem; color: var(--text-dim); margin: 0; }
.form-status--error { color: #dc2626; }

/* =================== FOOTER =================== */
.footer { background: var(--dark); color: rgba(255,255,255,.75); padding-top: 90px; border-top: 1px solid rgba(255,255,255,.05); }
.footer__grid { display: flex; flex-wrap: nowrap; align-items: flex-start; gap: 50px; padding-bottom: 70px; }
.footer__brand { flex: 0 1 240px; min-width: 200px; }
.footer__col { flex: 1 1 0; min-width: 140px; }
.footer__brand p { color: rgba(255,255,255,.65); margin: 22px 0; font-size: 0.95rem; line-height: inherit; }
.footer__social { display: flex; gap: 10px; }
.footer__social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.08); display: inline-flex; align-items: center; justify-content: center; font-size: 0.9rem; color: #fff; transition: all .3s var(--t); }
.footer__social a:hover { background: var(--accent); transform: translateY(-4px); }
.footer__col h5 { font-size: 1rem; letter-spacing: 0.05em; margin-bottom: 20px; color: #fff; position: relative; padding-bottom: 12px; font-family: 'Archivo', sans-serif; font-weight: 800; text-transform: none; }

.footer__col ul li a { color: rgba(255,255,255,.65); font-size: 0.92rem; transition: all .25s var(--t); }

.footer__contact p { color: rgba(255,255,255,.65); font-size: 0.92rem; margin-bottom: 16px; line-height: inherit; }
.footer__contact a { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,.65); font-size: 0.92rem; margin-bottom: 10px; transition: none; }
.footer__contact a i { color: var(--accent-2); width: 18px; flex-shrink: initial; }
.footer__contact a:hover { color: #fff; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; }
.footer__bottom-inner { display: flex; justify-content: space-between; align-items: normal; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,.5); }

/* =================== BACK TO TOP =================== */
.back-to-top { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; background: var(--accent); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transform: translateY(20px); transition: all .3s var(--t); z-index: 99; box-shadow: 0 10px 30px rgba(13,92,245,.4); }
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--accent-dark); }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s var(--t), transform .7s var(--t); }

/* =================== RESPONSIVE =================== */
@media (max-width: 1024px) {
  .contact-area__grid { grid-template-columns: 1fr; }
  .sidebar-card { position: static; }
  .channel-tabs { width: 100%; }
  .channel-tab { flex: 1; justify-content: center; }
  .tab-panel { border-radius: 20px; }
  .nav, .header__cta { display: none; }
  .menu-toggle { display: flex; }
  .nav.open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-top: 1px solid var(--line); padding: 20px; box-shadow: 0 10px 30px rgba(11,30,63,.08); }
  .nav.open ul { flex-direction: column; gap: 0; }
  .nav.open a { display: flex; width: 100%; justify-content: space-between; padding: 14px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .mega { display: none; }
  .stats-strip__grid { grid-template-columns: repeat(2,1fr); gap: 30px; }
  .footer__grid { flex-wrap: wrap; gap: 40px; }
  .footer__brand { flex: 1 1 100%; }
  .footer__col { flex: 1 1 calc(50% - 20px); min-width: 200px; }
}
@media (max-width: 768px) {
  .tab-panel { padding: 36px 28px; }
  .contact-area { padding: 0 0 70px; }
  .sidebar-card { padding: 28px 24px; }
}
@media (max-width: 640px) {
  .channel-tabs { flex-direction: column; border-radius: 14px 14px 0 0; }
  .channel-tab { border-radius: 8px; }
  .channel-tab.active { border-radius: 8px; }
  .form-row { grid-template-columns: 1fr; }
  .tab-panel { padding: 28px 18px; }
  .stats-strip { padding: 36px 0; }
  .stats-strip__grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat { padding-left: 12px; border-left-width: 3px; }
  .stat__num { font-size: 2.4rem; margin-bottom: 4px; }
  .stat__num::after { font-size: 1.6rem; }
  .stat__label { font-size: 0.75rem; line-height: 1.3; }
  .footer__grid { flex-direction: column; }
  .footer__brand, .footer__col { flex: 1 1 auto; width: 100%; min-width: 0; }
}
@media (max-width: 480px) {
  .stats-strip__grid { gap: 6px; }
  .stat { padding-left: 8px; }
  .stat__num { font-size: 2rem; }
  .stat__num::after { font-size: 1.3rem; }
  .stat__label { font-size: 0.68rem; }
  .tab-panel { padding: 20px 14px; }
  .sidebar-card { padding: 24px 20px; }
}