/* Smart-Shield site.css v2 — brighter highway-safety theme (2025-08-27) */
:root {
  --bg: #2d4f6e;
  --bg-2: #3d6588;
  --panel: rgba(58, 90, 122, 0.94);
  --line: rgba(190, 210, 230, 0.42);
  --text: #ffffff;
  --muted: #e4edf8;
  --muted-strong: #f8fbff;
  --amber: #f5c842;
  --ice: #7ed8ff;
  --safe: #4ae09a;
  --warn: #f5c842;
  --danger: #ff7b7b;
  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --radius: 18px;
  --shadow: 0 16px 40px rgba(12, 28, 48, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  background: #2a5270;
  min-height: 100vh;
  position: relative;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(42, 82, 112, 0.04) 0%, rgba(42, 82, 112, 0.12) 45%, rgba(42, 82, 112, 0.38) 100%),
    url("../assets/highway-401.jpg") center top / cover no-repeat;
  pointer-events: none;
}

a {
  color: var(--ice);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(48, 78, 108, 0.9);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  display: inline;
}

.brand-accent {
  color: var(--amber);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.1rem;
  font-size: 0.92rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--text);
}

.hero-stage {
  position: relative;
  padding: 1.5rem 0 2rem;
  min-height: min(78vh, 720px);
  display: flex;
  align-items: flex-end;
  background:
    linear-gradient(105deg, rgba(8, 18, 32, 0.62) 0%, rgba(8, 18, 32, 0.34) 38%, rgba(42, 82, 112, 0.08) 68%, rgba(42, 82, 112, 0.04) 100%),
    linear-gradient(180deg, rgba(8, 18, 32, 0.18) 0%, rgba(8, 18, 32, 0.08) 46%, rgba(8, 18, 32, 0.28) 100%),
    url("../assets/highway-401.jpg") center 42% / cover no-repeat;
  border-bottom: 1px solid var(--line);
}

.hero {
  padding: 3.2rem 0 2.2rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: end;
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.kicker {
  display: inline-block;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.25);
}

.hero .kicker {
  max-width: 100%;
  padding: 0.4rem 0.7rem;
  border-radius: 8px;
  background: rgba(8, 18, 32, 0.82);
  color: #ffe7a3;
  line-height: 1.45;
  letter-spacing: 0.04em;
  text-shadow: none;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35), 0 0 20px rgba(0, 0, 0, 0.15);
}

.lead {
  margin: 1.1rem 0 0;
  max-width: 38rem;
  color: #ffffff;
  font-size: 1.08rem;
  line-height: 1.6;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3), 0 0 16px rgba(0, 0, 0, 0.12);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.78rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-primary {
  background: var(--amber);
  color: #1a1200;
}

.btn-ghost {
  background: rgba(58, 90, 122, 0.65);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
}

.hero-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.score-ring {
  --pct: 42;
  --score-color: var(--warn);
  width: 160px;
  height: 160px;
  margin: 0.4rem auto 1rem;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--bg-2) 58%, transparent 59%),
    conic-gradient(var(--score-color) calc(var(--pct) * 1%), rgba(160, 178, 200, 0.28) 0);
  display: grid;
  place-items: center;
  transition: background 0.2s ease;
}

.score-ring strong {
  font-family: var(--font-display);
  font-size: 2.2rem;
  letter-spacing: -0.04em;
}

.score-ring small {
  display: block;
  text-align: center;
  color: var(--muted);
  font-size: 0.75rem;
  margin-top: -0.15rem;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

.meta {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.65rem 0.7rem;
  text-align: center;
}

.meta b {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

.meta span {
  color: var(--muted);
  font-size: 0.72rem;
}

section {
  padding: 2.4rem 0;
}

.section-head {
  margin-bottom: 1.2rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(58, 90, 122, 0.92);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  max-width: 52rem;
}

.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.03em;
  color: #fff;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}

.section-head p {
  margin: 0.55rem 0 0;
  color: var(--muted-strong);
  max-width: 46rem;
  font-size: 1.02rem;
  line-height: 1.55;
  font-weight: 500;
}

.section-head ul {
  margin: 0.45rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted-strong);
  max-width: 46rem;
  font-size: 1.02rem;
  line-height: 1.55;
  font-weight: 500;
}

.section-head li + li {
  margin-top: 0.25rem;
}

.section-head code.formula,
.section-head .formula {
  display: inline-block;
  margin-top: 0.35rem;
  color: #fff;
  background: rgba(30, 55, 78, 0.55);
  border: 1px solid rgba(245, 200, 66, 0.5);
  border-radius: 10px;
  padding: 0.35rem 0.65rem;
  font-size: 0.95rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  background: rgba(62, 95, 128, 0.94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.card h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  color: #fff;
}

.card p {
  margin: 0;
  color: var(--muted-strong);
  line-height: 1.55;
  font-size: 0.95rem;
}

.tag {
  display: inline-block;
  margin-bottom: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ice);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.formula {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: #fff;
  background: rgba(30, 55, 78, 0.65);
  border: 1px solid rgba(245, 200, 66, 0.5);
  border-radius: 12px;
  padding: 0.9rem 1rem;
  overflow-x: auto;
}

.demo-note {
  margin: 1.05rem 0 0;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid rgba(245, 200, 66, 0.45);
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  font-size: 0.96rem;
  line-height: 1.6;
}

.interactive {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
}

.live-score-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.live-score-label {
  color: var(--muted-strong);
  font-size: 0.9rem;
}

.live-score-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  letter-spacing: -0.04em;
  color: var(--amber);
  line-height: 1;
}

.sliders label {
  display: block;
  margin: 0.85rem 0 0.35rem;
  color: var(--muted-strong);
  font-size: 0.92rem;
  font-weight: 500;
}

.sliders input[type="range"] {
  width: 100%;
  accent-color: var(--amber);
  cursor: pointer;
}

.risk-label {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0.4rem 0 0.6rem;
}

.risk-label[data-band="low"] {
  color: var(--safe);
}

.risk-label[data-band="moderate"] {
  color: var(--warn);
}

.risk-label[data-band="high"] {
  color: var(--danger);
}

.advice {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.12);
  color: var(--muted-strong);
}

.advice strong {
  color: var(--text);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(62, 95, 128, 0.94);
  backdrop-filter: blur(12px);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

th {
  color: #d7e2f2;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

td {
  color: var(--muted-strong);
}

tr:last-child td {
  border-bottom: none;
}

.stack {
  display: grid;
  gap: 0.85rem;
}

.links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.link-card {
  display: block;
  padding: 1rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(62, 95, 128, 0.94);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease;
  backdrop-filter: blur(12px);
}

.link-card:hover {
  border-color: rgba(94, 200, 255, 0.45);
  transform: translateY(-1px);
  text-decoration: none;
}

.link-card b {
  display: block;
  font-family: var(--font-display);
  margin-bottom: 0.25rem;
  color: #fff;
}

.link-card span {
  color: var(--muted-strong);
  font-size: 0.92rem;
}

footer {
  border-top: 1px solid var(--line);
  padding: 1.6rem 0 2.4rem;
  color: var(--muted-strong);
  font-size: 0.88rem;
  line-height: 1.55;
  background: rgba(48, 78, 108, 0.88);
}


.hero-demo-hint {
  margin: 0.9rem 0 0;
  max-width: 38rem;
  color: #ffffff;
  font-size: 0.92rem;
  line-height: 1.55;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
}

.hero-demo-hint a {
  color: var(--ice);
  font-weight: 600;
}

.demo-tip {
  margin: 0;
  padding: 0.75rem 0.95rem;
  border-radius: 12px;
  border: 1px solid rgba(245, 200, 66, 0.55);
  background: rgba(245, 200, 66, 0.16);
  color: #fff8e6;
  font-size: 0.98rem;
  line-height: 1.5;
}

.find-guide {
  max-width: 52rem;
}

.find-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted-strong);
  font-size: 0.98rem;
  line-height: 1.6;
}

.find-list li + li {
  margin-top: 0.65rem;
}

.find-list strong {
  color: #fff;
}

@media (max-width: 860px) {
  .hero,
  .pillars,
  .interactive,
  .links,
  .meta-grid {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    min-height: auto;
    align-items: stretch;
  }

  .hero {
    padding-top: 2.4rem;
  }

  .nav-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Home button back to the portfolio */
.nav-links { align-items: center; }
.nav-links a.nav-home { display: inline-flex; align-items: center; gap: .35rem; padding: .3rem .75rem; border: 1px solid var(--amber); border-radius: 999px; color: var(--amber); font-weight: 600; white-space: nowrap; }
.nav-links a.nav-home svg { width: 15px; height: 15px; fill: currentColor; }
.nav-links a.nav-home:hover { background: rgba(245, 200, 66, 0.14); color: var(--amber); }