/* ==========================================================================
   Bradley Kars — Personal Portfolio + Kars Tech Solutions
   Design system mirrored from karstechsolutions.com
   ========================================================================== */

:root {
  --ink: #0A1628;
  --panel: #101E33;
  --panel-2: #152A47;
  --line: rgba(139, 157, 179, 0.16);
  --muted: #8B9DB3;
  --off: #EDF2F7;
  --teal: #2DD4BF;
  --teal-dim: #1B8F82;
  --amber: #F5A623;
  --amber-dim: #C9860F;
  --radius: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--off);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, .display {
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  letter-spacing: -0.02em;
  font-weight: 600;
}

.mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  letter-spacing: 0.02em;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
section { position: relative; }

/* ===== Nav ===== */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 22, 40, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1140px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dim));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-mark svg { width: 16px; height: 16px; }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--off); }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.phone-chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  color: var(--teal);
  display: flex;
  align-items: center;
  gap: 5px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  cursor: pointer;
  border: none;
}

.btn-primary { background: var(--amber); color: #241300; }
.btn-primary:hover { background: #ffb638; transform: translateY(-1px); box-shadow: 0 8px 20px -6px rgba(245, 166, 35, 0.5); }
.btn-teal { background: var(--teal); color: #082421; }
.btn-teal:hover { background: #4fe3d1; transform: translateY(-1px); box-shadow: 0 8px 20px -6px rgba(45, 212, 191, 0.5); }
.btn-outline { background: transparent; border: 1px solid var(--line); color: var(--off); }
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }

/* ===== Hero ===== */
.hero {
  padding: 60px 24px 52px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 20px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.6);
  animation: pulse 2.2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.5); }
  70% { box-shadow: 0 0 0 9px rgba(45, 212, 191, 0); }
  100% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0); }
}

.hero h1 {
  font-size: clamp(34px, 5.4vw, 56px);
  line-height: 1.05;
  max-width: 800px;
  margin-bottom: 16px;
}
.hero h1 .accent { color: var(--teal); }

.hero p {
  font-size: 17px;
  color: var(--muted);
  max-width: 540px;
  margin-bottom: 8px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn-lg { padding: 16px 30px; font-size: 16px; }

/* ===== Section headings ===== */
.section-pad { padding: 60px 0; }
.section-pad.tight { padding-top: 40px; }

.kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(26px, 3.4vw, 38px);
  max-width: 640px;
  margin-bottom: 10px;
}
.section-head p {
  color: var(--muted);
  font-size: 16px;
  max-width: 560px;
  margin-bottom: 0;
}

/* ===== About ===== */
.about-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 52px;
  align-items: start;
  margin-top: 36px;
}
.profile-img {
  width: 100%;
  max-width: 320px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  margin-left: auto;
  display: block;
}

.badge-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 26px;
}

.badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  min-height: 72px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 7px;
  background: var(--panel-2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--teal);
}

.badge-text .t { font-size: 13.5px; font-weight: 600; line-height: 1.25; }
.badge-text .s { font-size: 12.5px; color: var(--muted); }

/* ===== Cards / services ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-top: 40px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), transparent);
}
.card.amber::before { background: linear-gradient(90deg, var(--amber), transparent); }

.card h3 { font-size: 19px; margin-bottom: 6px; }
.card .tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--muted);
  margin-bottom: 16px;
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.card p { color: var(--muted); font-size: 14.5px; line-height: 1.6; }

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 26px;
}
.pricing-col:first-child { padding-right: 20px; border-right: 1px solid var(--line); min-width: 0; }
.pricing-col:last-child { padding-left: 20px; min-width: 0; }
.pricing-col { min-width: 0; }

.rate-group-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}
.rate-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14.5px;
  margin-bottom: 8px;
}
.rate-row span:first-child { color: var(--off); }
.rate-price { font-family: 'JetBrains Mono', monospace; color: var(--teal); font-size: 13.5px; }
.pricing-note {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}
.pricing-note strong { color: var(--off); font-weight: 600; }

.plan-row {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  column-gap: 8px;
  align-items: baseline;
  margin-bottom: 6px;
}
.plan-name { font-weight: 500; }
.plan-detail { color: var(--muted); font-size: 0.9em; }

.commercial-note {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 14.5px;
  color: var(--off);
}

/* ===== Experience / Education ===== */
.job, .school {
  margin-bottom: 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.job:last-child, .school:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.job-head, .school-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 4px;
}
.job-head h3, .school-head h3 { font-size: 18px; }
.job-head .org, .school-head .org {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--teal);
}
.job-head .date, .school-head .date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}
.sub-title { font-weight: 600; color: var(--off); font-size: 14.5px; margin-bottom: 4px; display: block; }
.job p, .school p { color: var(--muted); font-size: 14.5px; line-height: 1.6; margin-top: 6px; }

/* ===== Certifications ===== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 18px;
  margin-top: 30px;
}
.cert-grid img {
  width: 100%;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: var(--panel);
}

/* ===== Contact ===== */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 36px;
}
.contact-methods { display: flex; flex-direction: column; gap: 14px; margin-top: 20px; }
.contact-method {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.contact-method .ic { color: var(--teal); flex-shrink: 0; }
.contact-method .t { font-size: 13px; color: var(--muted); }
.contact-method .v { font-family: 'JetBrains Mono', monospace; font-size: 15px; color: var(--off); margin-top: 2px; }

form {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { font-size: 12.5px; color: var(--muted); display: block; margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 11px 13px;
  color: var(--off);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--teal); }
textarea { resize: vertical; min-height: 110px; }
button.form-submit {
  width: auto;
  align-self: start;
  padding: 12px 26px;
  background: var(--teal);
  color: #082421;
  font-weight: 600;
  border-radius: 7px;
  border: none;
  cursor: pointer;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13.5px;
}
button.form-submit:hover { background: #4fe3d1; }

.form-note { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ===== Footer ===== */
footer {
  border-top: 1px solid var(--line);
  padding: 20px 24px;
  margin-top: 10px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1140px;
  margin: 0 auto;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-left { font-size: 12px; color: var(--muted); }
.footer-socials { display: flex; align-items: center; gap: 16px; }
.footer-socials a { color: var(--muted); transition: color 0.15s ease; }
.footer-socials a:hover { color: var(--teal); }
.footer-right { font-size: 12px; color: var(--muted); white-space: nowrap; }

.wordmarks {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: center;
  gap: 34px;
  flex-wrap: wrap;
}
.wordmark-badge {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 7px 16px;
  position: relative;
}
.wordmark-badge::before, .wordmark-badge::after {
  content: '';
  position: absolute;
  width: 9px;
  height: 9px;
  border-color: var(--teal-dim);
  opacity: 0.7;
}
.wordmark-badge::before { top: 0; left: 0; border-top: 1px solid; border-left: 1px solid; }
.wordmark-badge::after { bottom: 0; right: 0; border-bottom: 1px solid; border-right: 1px solid; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .about-inner { grid-template-columns: 1fr; gap: 32px; }
  .profile-img { max-width: 260px; margin: 0 auto; }
  .contact-inner { grid-template-columns: 1fr; }
  .nav-links { gap: 18px; }
  .nav-links a { font-size: 13px; }
}
@media (max-width: 760px) {
  .nav-links { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-col:first-child { padding-right: 0; border-right: none; padding-bottom: 24px; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
  .badge-list { grid-template-columns: 1fr; }
  .nav-cta .btn { padding: 10px 14px; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 30px; }
}

/* ===== Focus ===== */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* ===== Additions: classes replacing inline styles, portfolio, links ===== */
.lede { color: var(--muted); max-width: 620px; margin: 0 0 34px; font-size: 16px; }
.contact-inner .lede { margin-bottom: 20px; }
.about-inner p { color: var(--muted); margin-bottom: 14px; }
.about-inner mark { background: none; color: var(--teal); font-weight: 600; }
.check-list { list-style: none; display: flex; flex-direction: column; gap: 10px; color: var(--muted); font-size: 14.5px; }
.check-list li { position: relative; padding-left: 18px; }
.check-list li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }
.card.amber .check-list li::before { background: var(--amber); }
.towns { color: var(--teal); font-size: 13px; line-height: 1.7; }
.office-line { color: var(--off); font-size: 14px; margin-top: 10px; }
.connect-label { color: var(--muted); font-size: 13px; }
.connect-links { margin-top: 8px; gap: 22px; }
.connect-links a { font-size: 15px; }
.contact-method .v { overflow-wrap: anywhere; }

a.card.project { display: block; transition: border-color 0.15s ease; }
a.card.project:hover { border-color: var(--teal); }
a.card.project.amber:hover { border-color: var(--amber); }
.cert-grid a { display: block; }
.cert-grid a:hover img { border-color: var(--teal); }
.cert-grid img { transition: border-color 0.15s ease; }

@media (prefers-reduced-motion: reduce) {
  .pulse-dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ===== v2: top bar, hero, certs, polish ===== */
nav { gap: 24px; }
.logo { gap: 10px; font-size: 17px; letter-spacing: -0.01em; white-space: nowrap; }
.logo-img { width: 32px; height: 32px; object-fit: contain; border-radius: 7px; flex-shrink: 0; }
.nav-links { flex: 1; justify-content: center; }
.nav-cta { gap: 16px; flex-shrink: 0; }
.nav-cta .btn { padding: 9px 16px; }
.phone-chip:hover { color: #4fe3d1; }

.hero { padding: 0; border-bottom: 1px solid var(--line);
  background:
    radial-gradient(700px 320px at 85% 0%, rgba(45,212,191,0.10), transparent 70%),
    radial-gradient(500px 280px at 0% 100%, rgba(245,166,35,0.06), transparent 70%); }
.hero-inner { padding-top: 84px; padding-bottom: 76px; display: flex; flex-direction: column; align-items: flex-start; }
.hero p { max-width: 600px; }
.hero p strong { color: var(--off); font-weight: 600; }

.section-pad.alt { background: rgba(16, 30, 51, 0.55); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-pad { padding: 76px 0; }
.section-pad.tight { padding-top: 60px; }

.badge-list { grid-template-columns: repeat(2, 1fr); }
.badge { min-height: 64px; padding: 12px 14px; }
.badge-icon { width: 40px; height: 40px; background: rgba(45, 212, 191, 0.10); border: 1px solid rgba(45, 212, 191, 0.22); }
.badge-text .t { font-size: 14px; }

/* certifications */
.cert-group { margin-top: 44px; }
.cert-group:first-of-type { margin-top: 36px; }
.cert-label { font-family: 'Inter', sans-serif; font-size: 13.5px; font-weight: 600; letter-spacing: 0; color: var(--off); padding-bottom: 12px; margin-bottom: 20px; border-bottom: 1px solid var(--line); }
.cert-group a { display: block; }
.cert-group img { width: 100%; height: auto; border-radius: 7px; border: 1px solid var(--line); background: var(--panel); transition: border-color 0.15s ease, transform 0.15s ease; }
.cert-group a:hover img { border-color: var(--teal); transform: translateY(-2px); }
.cert-row { display: grid; gap: 18px; align-items: start; }
.cert-row-2 { grid-template-columns: repeat(2, minmax(0, 340px)); }
.cert-feature { max-width: 560px; margin-bottom: 18px; }
.cert-row-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.cert-row-badges { grid-template-columns: repeat(4, 140px); gap: 24px; align-items: center; }
.cert-group .badge-img img { border: none; background: transparent; border-radius: 0; }
.cert-group a:hover .badge-img img, .cert-group .badge-img:hover img { transform: translateY(-2px); }

@media (max-width: 960px) {
  .cert-row-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .nav-cta .phone-chip { display: none; }
  .hero-inner { padding-top: 60px; padding-bottom: 56px; }
}
@media (max-width: 760px) {
  .section-pad { padding: 56px 0; }
  .cert-row-2 { grid-template-columns: 1fr; }
  .cert-row-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cert-row-badges { grid-template-columns: repeat(2, 120px); }
  .nav-links { display: none; }
  nav { justify-content: space-between; }
}

/* overflow guard */
.about-inner > * { min-width: 0; }
@media (max-width: 960px) { .about-inner { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 760px) { .badge-list { grid-template-columns: 1fr; } }

/* hero alignment: fill the container so text lines up with the logo */
.hero-inner { width: 100%; }

/* ===== v3 ===== */
/* hero two-column */
.hero-inner { align-items: stretch; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr); gap: 56px; align-items: center; width: 100%; }
.hero-copy { display: flex; flex-direction: column; align-items: flex-start; }
.glance { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6); }
.glance-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--panel-2); }
.glance-bar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(139,157,179,0.35); }
.glance-bar span:first-child { background: var(--amber); } .glance-bar span:nth-child(2) { background: var(--teal); }
.glance-bar em { font-style: normal; font-size: 12px; color: var(--muted); margin-left: 8px; }
.glance-body { padding: 8px 20px 12px; font-size: 13px; }
.glance-body > div { display: grid; grid-template-columns: 84px 1fr; gap: 12px; padding: 13px 0; border-bottom: 1px dashed var(--line); }
.glance-body > div:last-child { border-bottom: none; }
.glance-body dt { color: var(--teal); }
.glance-body dd { color: var(--off); line-height: 1.5; }

/* about: photo top-aligned with heading, larger */
.about-inner { margin-top: 0; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 64px; align-items: start; }
.about-inner .section-head { margin-bottom: 22px; }
.about-inner .section-head p { max-width: none; margin-top: 14px; }
.profile-img { max-width: 400px; margin-left: auto; position: sticky; top: 96px; margin-top: 6px; }

/* experience entry reads as a normal job row */
.job-head .org { margin-top: 2px; display: inline-block; }

/* degrees and main Google cert fill the width */
.cert-row-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.cert-feature { max-width: none; margin-bottom: 18px; }

/* social tiles */
.social-grid { display: grid; gap: 14px; grid-auto-rows: 1fr; height: 100%; }
.contact-inner { align-items: stretch; }
.social-tile { display: flex; align-items: center; gap: 22px; padding: 26px 28px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); position: relative; overflow: hidden; transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease; }
.social-tile::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(180deg, var(--teal), transparent); }
.social-tile.amber::before { background: linear-gradient(180deg, var(--amber), transparent); }
.social-tile:hover { transform: translateY(-2px); border-color: var(--teal); box-shadow: 0 14px 30px -14px rgba(45,212,191,0.35); }
.social-tile.amber:hover { border-color: var(--amber); box-shadow: 0 14px 30px -14px rgba(245,166,35,0.35); }
.social-icon { width: 60px; height: 60px; border-radius: 12px; background: var(--panel-2); color: var(--teal); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.social-tile.amber .social-icon { color: var(--amber); }
.social-icon svg { width: 28px; height: 28px; }
.social-text { display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 0; }
.social-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.social-name { font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.social-arrow { width: 22px; height: 22px; color: var(--muted); flex-shrink: 0; transition: color 0.15s ease, transform 0.15s ease; }
.social-tile:hover .social-arrow { color: var(--off); transform: translate(2px, -2px); }

@media (max-width: 960px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .about-inner { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .profile-img { position: static; max-width: 300px; margin: 0 auto; order: -1; }
}
@media (max-width: 760px) {
  .cert-row-2 { grid-template-columns: 1fr; }
  .social-tile { padding: 20px; gap: 16px; }
  .social-icon { width: 50px; height: 50px; }
}

/* ===== v4 ===== */
.about-inner { align-items: center; }
.profile-img { position: static; margin-top: 0; }
.cert-feature-sm { max-width: 720px; }
.cert-row-badges { grid-template-columns: repeat(3, 160px); gap: 36px; }
.social-icon svg { width: 28px; height: 28px; }
@media (max-width: 760px) { .cert-row-badges { grid-template-columns: repeat(2, 130px); } }
.cert-feature-sm { max-width: none; }

/* ===== v7: button system (matches karstechsolutions.com) ===== */
.btn { height: 44px; padding: 0 20px; border-radius: 9px; font-size: 14.5px; font-weight: 600; letter-spacing: .005em; gap: 8px; line-height: 1; transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease; }
.btn-primary { background: var(--amber); color: #241300; box-shadow: none; }
.btn-primary:hover { background: #ffb638; transform: translateY(-1px); box-shadow: 0 10px 24px -10px rgba(245,166,35,.6); }
.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; border-radius: 9px; }
.btn-lg { height: 58px; padding: 0; border-radius: 10px; font-size: 16.5px; gap: 0; overflow: hidden; }
.btn-ic { align-self: stretch; width: 58px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.btn-ic svg { width: 21px; height: 21px; }
.btn-label { padding: 0 28px 0 20px; }
.btn-secondary { background: rgba(237,242,247,.03); border: 1px solid rgba(45,212,191,.42); color: var(--off); }
.btn-secondary .btn-ic { background: rgba(45,212,191,.10); border-right: 1px solid rgba(45,212,191,.28); color: var(--teal); }
.btn-secondary:hover { background: rgba(45,212,191,.08); border-color: var(--teal); transform: translateY(-1px); box-shadow: 0 10px 24px -12px rgba(45,212,191,.5); }
.btn:active { transform: translateY(0) scale(.985); }
.btn:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
.hero-copy > div:last-child { gap: 14px; }
@media (max-width: 560px) { .btn-lg { width: 100%; } .btn-label { flex: 1; padding: 0 20px; } }