@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700&display=swap");

/* Base (responsive) */

:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: rgba(17, 17, 17, 0.72);
  --border: rgba(17, 17, 17, 0.14);
  --container: 1120px;

  --header-outer-height: 110px;
  --header-inner-height: 70px;
  --header-height-difference: calc(
    var(--header-outer-height) - var(--header-inner-height)
  );
  --header-bg: #fff;

  --page-bg: #f2f5f7;
}

*,
*:after,
*:before {
  box-sizing: border-box;
}

html, body { height: 100%; }

body {
  margin: 0;
  font-family: "DM Sans", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background-color: var(--page-bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 16px;
}

/* Top thin black line */
.topbar {
  background: #000;
  color: rgba(255, 255, 255, 0.92);
}

.topbar-text {
  margin: 0;
  padding: 8px 0;
  font-size: 12px;
  letter-spacing: 0.2px;
  text-align: center;

  /* responsive long text */
  overflow-wrap: anywhere;
}

@media (min-width: 640px) {
  .topbar-text {
    font-size: 13px;
    padding: 10px 0;
  }
}

.responsive-wrapper {
  width: 92%;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

/* Sticky header */
.header-outer {
  height: var(--header-outer-height);
  position: sticky;
  top: calc(var(--header-height-difference) * -1);
  display: flex;
  align-items: center;
  background-color: var(--header-bg);
  box-shadow: 0 2px 10px 0 rgba(0,0,0, 0.08);
  z-index: 10;
}

.header-inner {
  height: var(--header-inner-height);
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-logo img {
  display: block;
  height: calc(var(--header-inner-height) - 16px);
  width: auto;
  max-width: min(56vw, 240px);
  object-fit: contain;
}

.header-navigation {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  position: relative;
}

.header-navigation a,
.header-navigation button {
  font-size: 1.05rem;
  color: inherit;
  margin-left: 1.25rem;
  position: relative;
  font-weight: 500;
}

.header-navigation a {
  display: none;
  text-decoration: none;
}

.header-navigation button {
  border: 0;
  background-color: transparent;
  padding: 0;
}

.header-navigation a:hover:after,
.header-navigation button:hover:after {
  transform: scalex(1);
}

.header-navigation a:after,
.header-navigation button:after {
  transition: 0.25s ease;
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  background-color: currentcolor;
  transform: scalex(0);
  position: absolute;
  bottom: -2px;
  left: 0;
}

.main {
  margin-top: 2rem;
  padding: 0 0 4rem;
}

.widget {
  width: 100%;
  max-width: 680px;
  border-radius: 10px;
  box-shadow: 0 12px 24px 0 rgba(0,0,0, 0.10);
  background-color: #fff;
  padding: 1.75rem;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

.widget > * + * {
  margin-top: 1rem;
}

.widget h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.25;
}

/* Mobile-friendly adjustments */
@media (max-width: 799px) {
  :root {
    --header-outer-height: 84px;
    --header-inner-height: 56px;
  }

  .header-logo img {
    height: 40px;
    max-width: 60vw;
  }
}

/* Desktop links (existing rule keeps them hidden until >=800px) */
@media (min-width: 800px) {
  .menu-panel {
    display: contents;
  }

  .menu-button {
    display: none;
  }

  .header-navigation a {
    display: inline-block;
  }
}

/* Mobile menu panel */
.menu-button {
  border: 1px solid rgba(0,0,0,0.18);
  background: transparent;
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: min(92vw, 360px);
  background: #fff;
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 12px;
  box-shadow: 0 14px 30px rgba(0,0,0,0.12);
  padding: 10px;
}

.menu-panel a {
  display: block;
  padding: 12px 12px;
  margin: 2px 0;
  border-radius: 10px;
  text-decoration: none;
}

.menu-panel a:hover {
  background: rgba(0,0,0,0.05);
}

/* Buttons (reused) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.14);
  background: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: #111;
  color: #fff;
  border-color: #111;
}

.btn-ghost {
  background: transparent;
}

.btn:hover { filter: brightness(0.98); }

/* Sections */
.section-head {
  margin: 0 0 18px;
}

.section-title {
  margin: 0 0 6px;
  font-size: clamp(18px, 2.5vw, 24px);
  line-height: 1.2;
}

.section-subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 68ch;
}

.section-pad {
  margin-top: 28px;
}

/* Hero */
.hero {
  margin-top: 10px;
  padding: 18px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.hero-grid {
  display: grid;
  gap: 18px;
}

.hero-kicker {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-title {
  margin: 0 0 10px;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.1;
}

.hero-subtitle {
  margin: 0 0 16px;
  color: var(--muted);
  max-width: 65ch;
}

.hero-cta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.hero-panel {
  border: 1px solid rgba(0,0,0,0.10);
  border-radius: 12px;
  padding: 14px;
  display: grid;
  gap: 12px;
}

.hero-stat {
  display: grid;
  gap: 2px;
}

.hero-stat-number {
  font-size: 22px;
  font-weight: 700;
}

.hero-stat-label {
  font-size: 13px;
  color: var(--muted);
}

@media (min-width: 900px) {
  .hero { padding: 26px; }
  .hero-grid {
    grid-template-columns: 1.35fr 0.65fr;
    align-items: start;
  }
}

/* Card grid */
.experts { margin-top: 26px; }

.card-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.card {
  overflow: hidden;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.10);
  box-shadow: 0 10px 20px rgba(0,0,0,0.06);
}

.card-media {
  height: 160px;
  background: linear-gradient(135deg, rgba(0,0,0,0.08), rgba(0,0,0,0.02));
}

.card-body { padding: 16px; }

.card-title {
  margin: 0 0 8px;
  font-size: 18px;
}

.card-text {
  margin: 0 0 12px;
  color: var(--muted);
}

.card-link {
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid rgba(0,0,0,0.35);
}

@media (min-width: 860px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Products */
.product-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product {
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.10);
  overflow: hidden;
}

.product-img {
  height: 140px;
  background: linear-gradient(135deg, rgba(0,0,0,0.10), rgba(0,0,0,0.02));
}

.product-title {
  margin: 12px 12px 4px;
  font-size: 15px;
}

.product-meta {
  margin: 0 12px 12px;
  color: var(--muted);
  font-size: 13px;
}

@media (min-width: 860px) {
  .product-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Contact */
.contact-box {
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.10);
  padding: 16px;
}

.contact-box p {
  margin: 0;
}

.contact-box p + p {
  margin-top: 8px;
}

/* Anchor offset so sections aren't hidden under the sticky header */
#main,
#products,
#contact {
  scroll-margin-top: calc(var(--header-inner-height) + 18px);
}