:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --muted: #555;
  --accent: #0ea5a4;
  --accent-700: #067e7d;
  --text: #0f1724;
  --glass: rgba(255, 255, 255, 0.6);
  --radius: 14px;
  --shadow-sm: 0 8px 30px rgba(16, 24, 40, 0.06);
}

/* ========== Base / Reset ========== */
*,
*::before,
*::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  /* font-family: 'Noto Sans', sans-serif; */
  font-family: 'Geist', sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
p { line-height: 1.6; }

/* ========== Typography ========== */
.brand-title { font-weight: 800; }
.muted { color: var(--muted); }
.eyebrow {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid rgba(15, 23, 36, 0.04);
  font-weight: 700;
  margin-bottom: 12px;
}

/* ========== Buttons ========== */
.btn { border-radius: 20px !important; }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--text);
  padding: 8px 24px;
  /* font-weight: 500; */
  box-shadow: none;
}
.btn-outline:hover,
.btn-outline:focus {
  background: #0f1724;
  color: #fff;
  box-shadow: 0 2px 12px rgba(15, 23, 36, 0.08);
  outline: none;
}

/* ========== Header & Nav ========== */
header.site-header {
  position: sticky;
  top: 12px;
  z-index: 60;
  backdrop-filter: blur(8px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.5));
  border-radius: 30px;
  padding: 12px 24px;
  box-shadow: var(--shadow-sm);
  width: auto;
  max-width: 1320px;
  margin: 0 auto;
}

header.site-header > .container,
footer.site-footer > .container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 28px;
}

.brand .logo {
  width: 56px;
  height: 56px;
  border-radius: 10px;
  background: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
}

nav.main-nav {
  display: flex;
  justify-content: center;
  align-items: center;
}

nav.main-nav ul {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav.main-nav li {
  width: auto;
  transition: background-position-x .9s linear;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

nav.main-nav li a {
  font-size: 18px;
  color: var(--text);
  transition: all .45s;
  position: relative;
  display: inline-block;
  overflow: hidden;
}

nav.main-nav li a::after,
nav.main-nav li a::before {
  content: attr(data-text);
  position: absolute;
  left: 0;
  width: 100%;
  will-change: transform;
  transition: transform .35s ease-out;
}

nav.main-nav li a::after { transform: translateY(0%); color: var(--text); }
nav.main-nav li a::before { transform: translateY(100%); color: var(--text); }
nav.main-nav li:hover a::after,
nav.main-nav li a:focus::after { transform: translateY(-100%); }
nav.main-nav li:hover a::before,
nav.main-nav li a:focus::before { transform: translateY(0%); }

/* ========== Sections: Hero ========== */
.full-height {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  position: relative;
  align-items: center;
  justify-content: space-between;
  padding-top: 100px;
  padding-bottom: 56px;
  overflow: hidden;
}

.hero-copy {
  max-width: 680px;
  width: 100%;
  padding: 0 24px;
  text-align: center;
  z-index: 5;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  height: 0;
  margin-top: 0 !important;
  transform: translateY(20px);
  transition:
    opacity 0.4s ease-out,
    transform 0.4s ease-out,
    visibility 0s linear 0.4s,
    height 0s linear 0.4s;
}
.hero-copy.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  height: auto;
  transform: translateY(0);
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.hero h1 { line-height: 1.02; margin: 0; }
.hero p { color: var(--muted); margin-top: 12px; }

.hero-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  font-weight: 900;
  font-size: 160px;
  opacity: 0.06;
  white-space: nowrap;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 26vh;
  pointer-events: none;
  z-index: 5;
  background: linear-gradient(to top, var(--bg) 0%, rgba(248, 250, 252, 0) 100%);
}

/* ========== Sections: Product Stage ========== */
.product-stage {
  position: relative;
  height: auto;
  width: 100%;
  max-width: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
  z-index: 1;
  flex-grow: 1;
}

.product-img {
  max-width: 100%;
  width: 100%;
  transform: translateY(-100px);
  transition: transform .35s ease-out, opacity .3s ease-out;
  position: relative;
  z-index: 1;
}

.product-img-band {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  max-width: 100%;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  z-index: 2;
  transition: transform .35s ease-out, opacity .3s ease-out, visibility 0s linear 0.3s;
}
.product-img-band.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%) scale(1);
  transition: transform .35s ease-out, opacity .3s ease-out;
}

/* ========== Sections: Grid / Tables / Footer ========== */
.cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.section-top-fade { position: relative; }
.section-top-fade::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  pointer-events: none;
  z-index: 5;
  background: linear-gradient(to top, var(--bg) 0%, rgba(255, 248, 209, 0) 100%);
}

.specs table { width: 100%; text-align: left; }
.specs th { width: 40%;  padding: 10px 0; font-weight: 300;}
.specs td { padding: 10px; font-weight: 300;}

.specs thead tr {
  border-bottom: 1px solid #e5e7eb;
}

.specs tbody tr {
  border-bottom: 1px solid #e5e7eb;
}


footer.site-footer {
  margin-top: 40px;
  padding: 28px;
  background: linear-gradient(180deg, #fff, #fbfff6);
  box-shadow: var(--shadow-sm);
}

/* ========== Utilities ========== */
.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(14, 165, 164, 0.06);
  font-weight: 700;
  color: var(--accent-700);
}

.reveal {
  transform: translateY(8px);
  opacity: 0;
  transition: all .6s ease-out;
}
.reveal.show { transform: none; opacity: 1; }

.theme-switcher {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 200;
  display: none;
}
.theme-palette { display: flex; gap: 8px; }
.swatch { width: 36px; height: 36px; border-radius: 8px; cursor: pointer; border: 2px solid rgba(0, 0, 0, 0.06); }
.swatch[data-color="#0ea5a4"] { background: #0ea5a4; }
.swatch[data-color="#ef4444"] { background: #ef4444; }
.swatch[data-color="#3b82f6"] { background: #3b82f6; }
.swatch[data-color="#a78bfa"] { background: #a78bfa; }

.about-animated-text h3 { color: var(--text); }
.mask {
  width: 100%;
  height: 115%;
  position: absolute;
  background: var(--bg);
  left: 0;
  top: 0;
  z-index: 1;
  opacity: 0.8;
}

/* ========== Components: Feature Cards ========== */
.feature-card {
  position: relative;
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
  padding: 2rem;
  min-height: 280px;
}
.feature-card .card-body { padding: 0; position: relative; z-index: 2; }
.feature-eyebrow { font-weight: 600; font-size: 1rem; margin-bottom: .5rem; opacity: .9; }
.feature-title { font-size: 2.25rem; font-weight: 700; line-height: 1.1; max-width: 60%; }

.feature-card-blue { background-color: #f0f5ff; }
.feature-card-blue .feature-eyebrow { color: #0052cc; }

.feature-card-light { background-color: #f8f9fa; }
.feature-card-light .feature-eyebrow { color: #343a40; }

.feature-card-gray { background-color: #e9ecef; }
.feature-card-gray .feature-eyebrow { color: #212529; }

.feature-card-green { background-color: #f0fff4; }
.feature-card-green .feature-eyebrow { color: #228b22; }

.feature-img-right {
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 70%;
  height: auto;
  max-width: 280px;
  z-index: 1;
  opacity: .9;
  object-fit: contain;
  border-radius: 10px;
}
.feature-img-center {
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 45%;
  max-width: 180px;
  height: auto;
  z-index: 1;
  opacity: .9;
  object-fit: contain;
}
.feature-img-center-bottom {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  width: 60%;
  max-width: 200px;
  height: auto;
  z-index: 1;
  opacity: .9;
  object-fit: contain;
}

/* ========== Components: Product Cards ========== */
.product-card {
  border: none;
  border-radius: var(--radius);
  background-color: var(--card);
  box-shadow: var(--shadow-sm);
  padding: 2rem;
}
.product-card .card-body { padding: 0; }
/* .product-card-img {
  max-width: 100%;
  height: auto;
  margin-bottom: -20px;
} */
/* Remove legacy thumb style */
.product-thumb { display: none; }

/* ========== Components: FAQ ========== */
#faq .accordion {
  --bs-accordion-border-width: 0;
  --bs-accordion-border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
#faq .accordion-item {
  border: none;
  border-radius: var(--radius);
  background-color: var(--card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
#faq .accordion-button {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text);
  background-color: var(--card);
  box-shadow: none;
  padding-left: 3.5rem;
  position: relative;
}
#faq .accordion-button::after { display: none; }
#faq .accordion-button::before {
  content: '+';
  font-family: monospace;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--muted);
  position: absolute;
  left: 1.5rem;
  transition: transform .2s ease-in-out;
}
#faq .accordion-button:not(.collapsed) {
  color: var(--text);
  background-color: #f8f9fa;
  box-shadow: none;
}
#faq .accordion-button:not(.collapsed)::before {
  content: '\00d7';
  font-size: 2rem;
  line-height: .9;
  transform: rotate(90deg);
}
#faq .accordion-body {
  background-color: #f8f9fa;
  color: var(--muted);
  padding-left: 3.5rem;
  padding-top: 0;
  padding-bottom: 1.5rem;
}

/* ========== Sections: Video ========== */
#video { position: relative; width: 100%; overflow: hidden; }
#video .video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
#video .video-overlay { z-index: 3; max-width: 800px; }
#video .video-title { font-size: 2.5rem; font-weight: 700; text-shadow: 0 4px 30px rgba(0,0,0,.4); }
#video .video-subtext {
  font-size: 1.125rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* ========== Components: Mobile Menu ========== */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 120;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  margin: 2.5px 0;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), opacity 0.2s ease;
  transform-origin: center;
}
.mobile-menu {
  position: fixed;
  top: -12px;
  right: 0;
  left: 0;
  height: 100vh;
  background: #fff;
  z-index: 110;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  font-size: 18px;
  will-change: transform, opacity;
}
.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}
.mobile-menu li { text-align: center; }
.mobile-menu li a { text-decoration: none; }

/* ========== Page-specific helpers ========== */
#hero.full-height { height: auto; min-height: 80vh; }

/* ========== Accessibility ========== */
@media (prefers-reduced-motion: reduce) {
  nav.main-nav li a::after,
  nav.main-nav li a::before { transition: none; 
  .mobile-menu, .mobile-menu li, .hamburger span { transition: none !important; }
}

}

/* ========== Responsive ========== */

/* ≤ 640px */
@media (max-width: 640px) {
  nav.main-nav ul { display: none; }
  .brand .logo { width: 44px; height: 44px; }
  .product-stage { max-width: 300px; }
  .hero-bg-text { font-size: 80px; opacity: 0.04; }
  .cards-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 80px; padding-bottom: 28px; }
  .hero-copy { max-width: 100%; }
}

/* ≤ 576px */
@media (max-width: 576px) {
  #about.full-height { height: auto; min-height: 80vh; }
}

/* ≤ 768px */
@media (max-width: 768px) {
  .feature-card { min-height: 220px; padding: 1.5rem; }
  .feature-title { font-size: 1.75rem; max-width: 100%; }
  .feature-img-right,
  .feature-img-center,
  .feature-img-center-bottom { max-width: 40%; opacity: 0.7; }
  .feature-img-right { right: -15px; bottom: -15px; }
}

/* ≤ 1100px */
@media (max-width: 1100px) {
  .product-stage { max-width: 420px; }
  .hero-bg-text { font-size: 140px; }
}

/* ≥ 768px (desktop menu helpers) */
@media (min-width: 768px) {
  .hamburger { display: none !important; }
  .mobile-menu { display: none !important; }
  header.site-header { width: 90%; }
}

/* .hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
} */

.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

body.menu-open { overflow: hidden; }



/* .product-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 48px;
  justify-items: center;
  padding: 60px 0;
} */

.product-card {
  text-align: center;
}

.product-image {
  /* width: 220px; */
  transition: opacity 0.3s ease;
  max-width: 100%;
  height: auto;
  margin-bottom: -20px;
}


.color-selector {
  display: flex;
  justify-content: center;
  gap: 12px;
  /* margin-top: 12px; */
}

.color-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--dot-color);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
}

.color-dot:hover {
  transform: scale(1.1);
}

.color-dot.active {
  border-color: #0ea5a4;
  /* box-shadow: 0 0 0 3px rgba(14, 165, 164, 0.25); */
}


#product-hero .ratio { border-radius: var(--radius); }
#product-hero .thumb img { border-radius: 10px; box-shadow: var(--shadow-sm); }
#product-hero .thumb img { transition: transform .2s ease; }
#product-hero .thumb:hover img { transform: translateY(-2px); }
#product-details .feature-card { min-height: 320px; }
#stickyBar strong { font-size: 1.125rem; }