/* RigorKinetic — Colt.net visual system */

@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@400;500;600;700;800;900&display=swap');

:root {
  --teal: #00D7BD;
  --teal-dark: #0C554F;
  --teal-hero: #0A4A44;
  --teal-deep: #083832;
  --yellow: #FFC43D;
  --black: #121212;
  --white: #ffffff;
  --gray-50: #F5F5F5;
  --gray-100: #EBEBEB;
  --gray-200: #D9D9D9;
  --gray-500: #737373;
  --gray-700: #404040;
  --text: #121212;
  --font: 'Barlow', -apple-system, BlinkMacSystemFont, sans-serif;
  --max: 1200px;
  --wide: 1320px;
  --header-h: 72px;
  --pill: 999px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); font-size: 17px; line-height: 1.55; color: var(--text); background: var(--white); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* Colt label: )) WE ARE */
.rk-tag { font-size: 13px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.55); margin-bottom: 18px; }
.rk-tag::before { content: ')) '; color: var(--yellow); }
.rk-tag-dark { color: rgba(0,0,0,0.45); }
.rk-tag-dark::before { color: var(--yellow); }

/* ── Header (Colt mega-nav) ── */
.rk-header { position: sticky; top: 0; z-index: 600; background: var(--teal-hero); border-bottom: 1px solid rgba(255,255,255,0.06); }
.rk-header-inner { max-width: var(--wide); margin: 0 auto; padding: 0 28px; height: var(--header-h); display: flex; align-items: center; gap: 8px; }
.rk-logo img { height: 26px; width: auto; }
.rk-nav-main { display: flex; align-items: center; gap: 2px; margin-left: 20px; }
.rk-nav-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 10px 16px;
  font-size: 13px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--white); background: none; border: none; cursor: pointer; font-family: var(--font);
  border-radius: 4px; transition: background 0.15s;
}
.rk-nav-btn:hover, .rk-nav-btn[aria-expanded="true"] { background: rgba(0,0,0,0.2); }
.rk-nav-btn svg { width: 10px; height: 10px; opacity: 0.7; }
.rk-nav-right { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.rk-nav-link { padding: 10px 14px; font-size: 13px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--white); opacity: 0.9; }
.rk-nav-link:hover { opacity: 1; }
.rk-btn-pill-black {
  display: inline-flex; align-items: center; padding: 11px 22px; background: var(--black); color: var(--white) !important;
  font-size: 12px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; border-radius: var(--pill); border: 2px solid var(--black);
  transition: background 0.15s, color 0.15s;
}
.rk-btn-pill-black:hover { background: transparent; color: var(--white) !important; }
.rk-btn-pill-outline {
  display: inline-flex; align-items: center; padding: 10px 20px; background: transparent; color: var(--white) !important;
  font-size: 12px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; border-radius: var(--pill); border: 2px solid var(--white);
}
.rk-btn-pill-outline:hover { background: rgba(255,255,255,0.1); }
.rk-btn-pill-teal {
  display: inline-flex; align-items: center; padding: 11px 22px; background: var(--teal); color: var(--black) !important;
  font-size: 12px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; border-radius: var(--pill); border: 2px solid var(--teal);
}
.rk-btn-pill-teal:hover { filter: brightness(1.06); }
.rk-btn-pill-ghost-dark {
  display: inline-flex; align-items: center; padding: 11px 22px; background: transparent; color: var(--black) !important;
  font-size: 12px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; border-radius: var(--pill); border: 2px solid var(--black);
}
.rk-btn-pill-ghost-dark:hover { background: rgba(0,0,0,0.05); }
.rk-menu-btn { display: none; border: none; background: none; color: var(--white); font-size: 24px; cursor: pointer; padding: 8px; margin-left: auto; }

.rk-mega {
  position: absolute; left: 0; right: 0; top: 100%; background: var(--teal-deep);
  border-top: 1px solid rgba(255,255,255,0.06); padding: 28px; opacity: 0; visibility: hidden; transform: translateY(-4px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
}
.rk-mega.open { opacity: 1; visibility: visible; transform: none; }
.rk-mega-inner { max-width: var(--wide); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.rk-mega a { display: block; padding: 16px 18px; border: 1px solid rgba(255,255,255,0.08); border-radius: 4px; color: var(--white); transition: background 0.15s; }
.rk-mega a:hover { background: rgba(0,0,0,0.25); }
.rk-mega a strong { display: block; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.rk-mega a span { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.5; }

.rk-header-wrap { position: relative; }

/* ── Hero ── */
.rk-hero { background: var(--teal-hero); color: var(--white); overflow: hidden; position: relative; }
.rk-hero-inner {
  max-width: var(--wide); margin: 0 auto; padding: 48px 28px 0;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 32px; align-items: end; min-height: 520px;
}
.rk-hero-copy { padding-bottom: 48px; position: relative; z-index: 2; }
.rk-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.75rem); font-weight: 900; line-height: 1.02;
  letter-spacing: -0.01em; text-transform: uppercase; color: var(--black);
  max-width: 640px;
}
.rk-hero h1 .dot { color: var(--yellow); }
.rk-hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 36px; }
.rk-hero-visual { position: relative; align-self: stretch; min-height: 420px; }
.rk-hero-photo { position: absolute; inset: 0 0 0 15%; z-index: 2; overflow: hidden; }
.rk-hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: top center; filter: grayscale(100%) contrast(1.05); mix-blend-mode: luminosity; opacity: 0.92; }
.rk-colt-edge {
  position: absolute; right: -10%; bottom: 0; width: 75%; height: 100%; z-index: 1; pointer-events: none;
}
.rk-colt-edge svg { width: 100%; height: 100%; }

/* Mission on hero bg */
.rk-mission { background: var(--teal-hero); padding: 56px 28px 0; text-align: center; }
.rk-mission p { max-width: 680px; margin: 0 auto; font-size: clamp(1.05rem, 2vw, 1.25rem); color: rgba(255,255,255,0.88); line-height: 1.65; }

/* Three pillar cards */
.rk-pillars { background: var(--teal-hero); padding: 40px 28px 64px; }
.rk-pillar-grid { max-width: var(--wide); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.rk-pillar {
  background: rgba(0,0,0,0.45); border: 1px solid rgba(255,255,255,0.06); padding: 36px 28px 32px;
  min-height: 280px; display: flex; flex-direction: column; transition: transform 0.25s, background 0.25s;
}
.rk-pillar:hover { transform: translateY(-4px); background: rgba(0,0,0,0.55); }
.rk-pillar-label { font-size: 12px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); margin-bottom: 20px; }
.rk-pillar-icon { width: 56px; height: 56px; border: 1px solid rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; font-size: 22px; color: var(--white); }
.rk-pillar h3 { font-size: 1.35rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0.01em; color: var(--white); line-height: 1.2; margin-top: auto; }

/* Metrics strip */
.rk-metrics { background: var(--teal-hero); border-top: 1px solid rgba(255,255,255,0.06); padding: 48px 28px; }
.rk-metrics-grid { max-width: var(--wide); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.rk-metric-num { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 900; color: var(--white); text-transform: uppercase; letter-spacing: -0.02em; line-height: 1; margin-bottom: 10px; }
.rk-metric-label { font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: rgba(255,255,255,0.55); line-height: 1.4; }

/* Networks / segments */
.rk-segments { padding: 72px 28px; background: var(--white); }
.rk-segments-inner { max-width: var(--wide); margin: 0 auto; }
.rk-segments h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 900; text-transform: uppercase; text-align: center; margin-bottom: 40px; letter-spacing: -0.01em; }
.rk-segment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.rk-segment {
  position: relative; min-height: 320px; padding: 32px 28px; display: flex; flex-direction: column; justify-content: flex-end;
  background: var(--gray-50); border: 1px solid var(--gray-200); overflow: hidden; color: var(--black); transition: border-color 0.2s;
}
.rk-segment:hover { border-color: var(--teal-dark); }
.rk-segment::before {
  content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.75));
}
.rk-segment-bg { position: absolute; inset: 0; object-fit: cover; width: 100%; height: 100%; filter: grayscale(100%); opacity: 0.35; }
.rk-segment h3 { position: relative; font-size: 1.5rem; font-weight: 900; text-transform: uppercase; margin-bottom: 8px; color: var(--white); }
.rk-segment p { position: relative; font-size: 15px; color: rgba(255,255,255,0.75); margin-bottom: 16px; }
.rk-segment .explore { position: relative; font-size: 12px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); }

/* Solutions / Products tabs */
.rk-product-section { padding: 72px 28px; background: var(--gray-50); }
.rk-product-inner { max-width: var(--wide); margin: 0 auto; }
.rk-tab-switch { display: flex; gap: 0; margin-bottom: 36px; border-bottom: 2px solid var(--gray-200); }
.rk-tab-switch button {
  padding: 14px 28px; font-family: var(--font); font-size: 13px; font-weight: 800; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--gray-500); background: none; border: none; border-bottom: 3px solid transparent;
  margin-bottom: -2px; cursor: pointer; transition: color 0.15s, border-color 0.15s;
}
.rk-tab-switch button.active { color: var(--teal-dark); border-bottom-color: var(--teal); }
.rk-product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.rk-product-card {
  display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: start;
  padding: 32px; background: var(--white); border: 1px solid var(--gray-200); color: inherit; transition: box-shadow 0.2s, border-color 0.2s;
}
.rk-product-card:hover { border-color: var(--teal); box-shadow: 0 12px 40px rgba(12,85,79,0.08); }
.rk-product-card h3 { font-size: 1.15rem; font-weight: 900; text-transform: uppercase; margin-bottom: 12px; }
.rk-product-card p { font-size: 15px; color: var(--gray-700); line-height: 1.65; margin-bottom: 16px; }
.rk-product-card .explore { font-size: 12px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal-dark); }
.rk-product-panel { display: none; }
.rk-product-panel.active { display: block; }

/* Use cases (vertical tabs like Colt) */
.rk-usecases { padding: 72px 28px; background: var(--white); }
.rk-usecases-inner { max-width: var(--wide); margin: 0 auto; display: grid; grid-template-columns: 280px 1fr; gap: 48px; }
.rk-usecase-tabs { display: flex; flex-direction: column; gap: 0; border-right: 2px solid var(--gray-200); }
.rk-usecase-tab {
  padding: 18px 24px 18px 0; text-align: left; font-family: var(--font); font-size: 14px; font-weight: 800;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--gray-500); background: none; border: none;
  border-right: 3px solid transparent; margin-right: -2px; cursor: pointer; transition: color 0.15s;
}
.rk-usecase-tab.active { color: var(--teal-dark); border-right-color: var(--teal); }
.rk-usecase-panel { display: none; animation: fadeIn 0.35s ease; }
.rk-usecase-panel.active { display: block; }
.rk-usecase-panel h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 900; text-transform: uppercase; margin-bottom: 16px; line-height: 1.15; }
.rk-usecase-panel p { color: var(--gray-700); margin-bottom: 14px; line-height: 1.7; max-width: 560px; }
.rk-usecase-panel ul { margin: 16px 0 24px 20px; color: var(--gray-700); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Expert CTA band */
.rk-expert { padding: 64px 28px; background: var(--gray-50); text-align: center; border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200); }
.rk-expert h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 900; text-transform: uppercase; margin-bottom: 12px; }
.rk-expert p { color: var(--gray-700); margin-bottom: 24px; max-width: 480px; margin-left: auto; margin-right: auto; }

/* Why — editorial */
.rk-why { padding: 80px 28px; background: var(--teal-hero); color: var(--white); }
.rk-why-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.rk-why h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 900; text-transform: uppercase; margin-bottom: 28px; color: var(--yellow); }
.rk-why-lead { font-size: clamp(1.25rem, 2.5vw, 1.75rem); font-weight: 700; line-height: 1.45; color: var(--white); margin-bottom: 20px; }
.rk-why p { color: rgba(255,255,255,0.7); max-width: 640px; margin: 0 auto 12px; line-height: 1.7; }

/* Promo cards */
.rk-promos { padding: 72px 28px; background: var(--white); }
.rk-promo-grid { max-width: var(--wide); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.rk-promo { padding: 36px 28px; background: var(--gray-50); border: 1px solid var(--gray-200); min-height: 240px; display: flex; flex-direction: column; }
.rk-promo h3 { font-size: 1.05rem; font-weight: 900; text-transform: uppercase; margin-bottom: 12px; line-height: 1.3; }
.rk-promo p { font-size: 15px; color: var(--gray-700); line-height: 1.65; margin-bottom: 20px; flex: 1; }
.rk-promo a { font-size: 12px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal-dark); }

/* Insights */
.rk-insights { padding: 72px 28px 80px; background: var(--gray-50); }
.rk-insights-inner { max-width: var(--wide); margin: 0 auto; }
.rk-insights-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; flex-wrap: wrap; gap: 16px; }
.rk-insights-head h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 900; text-transform: uppercase; }
.rk-insight-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.rk-insight {
  background: var(--white); border: 1px solid var(--gray-200); padding: 28px; display: block; color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.rk-insight:hover { border-color: var(--teal); box-shadow: 0 8px 32px rgba(0,0,0,0.06); }
.rk-insight .type { font-size: 11px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal-dark); margin-bottom: 10px; }
.rk-insight h3 { font-size: 1.05rem; font-weight: 800; line-height: 1.35; margin-bottom: 12px; }
.rk-insight .date { font-size: 13px; color: var(--gray-500); }

/* Closing CTA */
.rk-closing { padding: 80px 28px; background: var(--black); color: var(--white); text-align: center; }
.rk-closing h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 900; text-transform: uppercase; margin-bottom: 16px; letter-spacing: -0.01em; }
.rk-closing p { color: rgba(255,255,255,0.65); max-width: 560px; margin: 0 auto 32px; line-height: 1.65; }

/* Contact block */
.rk-contact { padding: 72px 28px; background: var(--white); }
.rk-contact-grid { max-width: var(--wide); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.rk-contact h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 900; text-transform: uppercase; margin-bottom: 16px; }
.rk-contact > div > p { color: var(--gray-700); margin-bottom: 28px; line-height: 1.65; }
.rk-info strong { display: block; font-size: 11px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-500); margin-bottom: 4px; }
.rk-info { margin-bottom: 18px; }
.rk-info span, .rk-info a { font-size: 16px; font-weight: 600; color: var(--text); }
.rk-info a:hover { color: var(--teal-dark); }
.rk-form { background: var(--gray-50); border: 1px solid var(--gray-200); padding: 36px; }
.rk-form h3 { font-size: 13px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 22px; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.04em; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--gray-200); border-radius: 0;
  font-family: var(--font); font-size: 16px; background: var(--white);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--teal); box-shadow: 0 0 0 2px rgba(0,215,189,0.2);
}
.form-row textarea { min-height: 120px; resize: vertical; }

/* Inner pages */
.rk-page-hero { background: var(--teal-hero); color: var(--white); padding: 56px 28px; }
.rk-page-hero-inner { max-width: var(--max); margin: 0 auto; }
.rk-crumb { font-size: 13px; color: rgba(255,255,255,0.45); margin-bottom: 14px; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.rk-crumb a { color: rgba(255,255,255,0.45); }
.rk-crumb a:hover { color: var(--yellow); }
.rk-page-hero h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; text-transform: uppercase; letter-spacing: -0.01em; color: var(--black); }
.rk-page-hero p { font-size: 17px; color: rgba(255,255,255,0.75); max-width: 560px; margin-top: 12px; }

.section-wrap { max-width: var(--max); margin: 0 auto; padding: 64px 28px; }
.section-wrap h2 { font-size: 1.35rem; font-weight: 900; text-transform: uppercase; margin-bottom: 14px; }
.section-wrap h3 { font-size: 1.05rem; font-weight: 800; text-transform: uppercase; margin: 24px 0 8px; }
.section-wrap p { margin-bottom: 12px; color: var(--gray-700); line-height: 1.65; }
.section-wrap ul { margin: 0 0 14px 20px; color: var(--gray-700); }
.notice-box { background: rgba(0,215,189,0.08); border-left: 4px solid var(--teal); padding: 18px 22px; margin: 24px 0; font-size: 15px; }
.data-table { width: 100%; border-collapse: collapse; border: 1px solid var(--gray-200); font-size: 15px; margin: 24px 0; }
.data-table th, .data-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--gray-200); }
.data-table th { background: var(--gray-50); width: 220px; font-weight: 800; text-transform: uppercase; font-size: 12px; letter-spacing: 0.06em; }

.sidebar-layout { display: grid; grid-template-columns: 220px 1fr; gap: 48px; max-width: var(--max); margin: 0 auto; padding: 48px 28px 64px; }
.side-nav { position: sticky; top: calc(var(--header-h) + 20px); align-self: start; }
.side-nav h4 { font-size: 11px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-500); margin-bottom: 12px; }
.side-nav ul { list-style: none; }
.side-nav a { display: block; padding: 12px 0; font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--gray-700); border-bottom: 1px solid var(--gray-200); }
.side-nav a:hover, .side-nav a.active { color: var(--teal-dark); }

/* Footer (Colt) */
.rk-footer { background: var(--black); color: rgba(255,255,255,0.55); padding: 56px 28px 32px; }
.rk-footer-inner { max-width: var(--wide); margin: 0 auto; }
.rk-footer-top { display: flex; justify-content: space-between; align-items: center; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); margin-bottom: 40px; flex-wrap: wrap; gap: 20px; }
.rk-footer-logo { font-size: 1.25rem; font-weight: 900; color: var(--white); text-transform: lowercase; letter-spacing: -0.02em; }
.rk-footer-cta { font-size: 12px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); }
.rk-footer-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 32px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.rk-footer-col h4 { font-size: 11px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.35); margin-bottom: 14px; }
.rk-footer-col ul { list-style: none; }
.rk-footer-col li { margin-bottom: 8px; }
.rk-footer-col a { font-size: 14px; color: rgba(255,255,255,0.55); font-weight: 500; }
.rk-footer-col a:hover { color: var(--white); }
.rk-footer-legal { padding-top: 24px; font-size: 12px; line-height: 1.75; color: rgba(255,255,255,0.35); }
.rk-footer-bottom { padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; }
.rk-footer-bottom a { color: rgba(255,255,255,0.45); margin-right: 16px; }
.rk-footer-bottom a:hover { color: var(--white); }

@media (max-width: 1100px) {
  .rk-hero-inner { grid-template-columns: 1fr; min-height: auto; }
  .rk-hero-visual { min-height: 320px; order: -1; }
  .rk-pillar-grid, .rk-segment-grid, .rk-product-grid, .rk-promo-grid, .rk-insight-grid { grid-template-columns: 1fr; }
  .rk-metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .rk-usecases-inner { grid-template-columns: 1fr; }
  .rk-usecase-tabs { flex-direction: row; overflow-x: auto; border-right: none; border-bottom: 2px solid var(--gray-200); }
  .rk-usecase-tab { border-right: none; border-bottom: 3px solid transparent; padding: 12px 16px; white-space: nowrap; margin-right: 0; margin-bottom: -2px; }
  .rk-usecase-tab.active { border-bottom-color: var(--teal); border-right-color: transparent; }
  .rk-footer-grid { grid-template-columns: repeat(2, 1fr); }
  .rk-mega-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .rk-nav-main, .rk-nav-right .rk-nav-link { display: none; }
  .rk-nav-main.open, .rk-nav-right.open { display: flex; flex-direction: column; position: absolute; top: var(--header-h); left: 0; right: 0; background: var(--teal-deep); padding: 16px 28px 24px; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .rk-nav-right.open { top: auto; position: relative; padding: 0; background: none; border: none; }
  .rk-menu-btn { display: block; }
  .rk-contact-grid, .rk-footer-grid { grid-template-columns: 1fr; }
  .rk-metrics-grid { grid-template-columns: 1fr; }
  .sidebar-layout { grid-template-columns: 1fr; }
  .side-nav { position: static; }
}