/* =========================================================
   Base / Reset
   ========================================================= */

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

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 600px at 50% -200px, rgba(14, 42, 54, 0.85) 0%, rgba(7, 11, 18, 0) 60%),
    linear-gradient(180deg, #07111a 0%, #05090f 100%);
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.6;
}

a {
  color: #91efe0;
}

a:hover {
  color: #c8faf2;
}

img {
  max-width: 100%;
  display: block;
}

/* =========================================================
   Layout helpers
   ========================================================= */

.container {
  width: min(1200px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.section {
  padding: 5rem 0;
}

.section-accent {
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.section-heading {
  margin-bottom: 2rem;
}

.maxw {
  max-width: 60ch;
}

.muted {
  color: rgba(255, 255, 255, 0.68);
}

.small {
  font-size: 0.875rem;
}

.top-gap {
  margin-top: 0.85rem;
}

/* =========================================================
   Typography
   ========================================================= */

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.6rem, 5vw, 4.7rem);
}

h2 {
  font-size: clamp(1.9rem, 3vw, 2.8rem);
}

h3 {
  font-size: 1.3rem;
}

p,
ul,
ol {
  margin: 0 0 1rem;
}

.lead {
  font-size: 1.12rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(78, 209, 191, 0.28);
  border-radius: 999px;
  background: rgba(78, 209, 191, 0.08);
  color: #9af3e6;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* =========================================================
   Header / Navigation
   ========================================================= */

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 1200;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  background: #ffffff;
  color: #07111a;
  text-decoration: none;
}

.skip:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(5, 9, 15, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav a,
.mobile-nav a,
.footer-links a,
.text-link {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
}

.nav a:hover,
.mobile-nav a:hover,
.footer-links a:hover,
.text-link:hover {
  color: #ffffff;
}

.nav-toggle {
  display: none;
  padding: 0.3rem;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px 0;
  background: rgba(255, 255, 255, 0.92);
}

[data-mobile-nav][hidden] {
  display: none !important;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 1rem;
  padding: 1.2rem 1.25rem 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 9, 15, 0.97);
}

/* =========================================================
   Buttons / Cards / Lists
   ========================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, #0d6f81, #13a69d);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  transition: transform 180ms ease, filter 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.btn:hover,
.btn:focus-visible {
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.92);
}

.btn-small {
  min-height: 2.35rem;
  padding: 0.45rem 0.95rem;
  font-size: 0.92rem;
}

.cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.card {
  height: 100%;
  padding: 1.5rem;
  border-radius: 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.025)),
    rgba(6, 11, 17, 0.9);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}

.card-featured {
  padding: 2rem;
}

.list,
.check,
.hero-points {
  padding-left: 1.25rem;
}

.check li,
.hero-points li,
.list li {
  margin-bottom: 0.6rem;
}

.callout {
  padding: 1rem 1.25rem;
  border-left: 3px solid #12a69d;
  border-radius: 0.8rem;
  background: rgba(18, 166, 157, 0.1);
}

.divider {
  height: 1px;
  margin: 2rem 0;
  background: rgba(255, 255, 255, 0.1);
}

/* =========================================================
   Hero / Section layouts
   ========================================================= */

.hero {
  padding: 5.5rem 0 4.5rem;
}

.hero-tight {
  padding-top: 4.75rem;
}

.hero-grid,
.split {
  display: grid;
  gap: 2rem;
  align-items: center;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
}

.split {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.split-wide {
  align-items: start;
}

.hero-copy {
  display: grid;
  gap: 0.25rem;
}

.hero-art {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-image {
  display: block;
  width: 100%;
  height: auto;
}

.hero-card {
  position: relative;
  z-index: 2;
  width: min(520px, calc(100% - 2rem));
  margin-top: -56px;
}

.hero-card-title {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #9af3e6;
  margin-bottom: 0.85rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.metric-label {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
  margin-bottom: 0.2rem;
}

.metric-value {
  font-weight: 600;
}

.grid-2,
.grid-3,
.news-grid {
  display: grid;
  gap: 1.25rem;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-highlight {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

.product-actions {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  align-items: flex-start;
}

.news-grid {
  grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 1fr));
}

.news-card-featured {
  padding: 2rem;
  border-color: rgba(78, 209, 191, 0.35);
  background:
    radial-gradient(circle at top left, rgba(78, 209, 191, 0.18), transparent 45%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025)),
    rgba(6, 11, 17, 0.92);
}

.news-meta {
  margin-bottom: 0.75rem;
  color: #9af3e6;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.kv {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0.75rem 1rem;
}

.k,
.v {
  min-width: 0;
}

.k {
  color: rgba(255, 255, 255, 0.62);
  font-weight: 600;
}

/* =========================================================
   Footer
   ========================================================= */

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(3, 7, 12, 0.9);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.5rem 0 2rem;
}

.footer-copy {
  margin-top: 0.4rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* =========================================================
   Support / FAQ / Forms
   ========================================================= */

.faq {
  display: grid;
  gap: 1rem;
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
}

.faq-body {
  margin-top: 0.75rem;
}

.steps {
  padding-left: 1.25rem;
}

.report-bug-wrap {
  max-width: 760px;
}

.report-form {
  display: grid;
  gap: 0.75rem;
}

.report-form label {
  font-weight: 600;
}

.report-form input,
.report-form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
  color: #ffffff;
  font: inherit;
}

.report-form input::placeholder,
.report-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.46);
}

.report-form textarea {
  min-height: 140px;
  resize: vertical;
}

.report-form .btn {
  justify-self: start;
  margin-top: 0.25rem;
}

.report-bug-card .small {
  margin-bottom: 0;
  margin-top: 1rem;
}

/* =========================================================
   IRIS screenshot gallery
   ========================================================= */

.screenshots-section {
  overflow: hidden;
}

.screenshots-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.screens-gallery {
  max-width: 980px;
  margin: 0 auto;
  padding: 1.5rem;
  border-radius: 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top, rgba(14, 143, 138, 0.18), transparent 34%),
    rgba(255, 255, 255, 0.03);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.screens-gallery:focus-visible {
  outline: 2px solid rgba(78, 209, 191, 0.9);
  outline-offset: 4px;
}

.screens-gallery-shell {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
}

.gallery-stage {
     --gallery-slide-gap: clamp(0.65rem, 2vw, 1rem);
  max-width: min(100%, 420px);
  width: 100%;
  margin: 0 auto;
  padding: clamp(0.65rem, 2vw, 1rem);
  border-radius: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(180deg, rgba(15, 20, 30, 0.96), rgba(6, 9, 15, 0.94));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 18px 40px rgba(0, 0, 0, 0.32);
  overflow: hidden;
}

.gallery-track {
  gap: var(--gallery-slide-gap);
  display: flex;
  transition: transform 320ms ease;
  will-change: transform;
}

.gallery-slide {
  width: 100%;
   min-width: 0;
  flex: 0 0 100%;
}

.gallery-frame {
  position: relative;
  width: 100%;
  margin: 0;
  border-radius: 1.6rem;
  aspect-ratio: 1440 / 3120;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    #09111a;
}

.gallery-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.gallery-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.92);
  cursor: pointer;
  transition: background-color 180ms ease, transform 180ms ease, border-color 180ms ease;
}

.gallery-nav:hover,
.gallery-nav:focus-visible {
  background: rgba(14, 143, 138, 0.16);
  border-color: rgba(78, 209, 191, 0.45);
  transform: translateY(-1px);
}

.gallery-nav span {
  font-size: 1.75rem;
  line-height: 1;
}

.gallery-nav[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.gallery-meta {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
}

.gallery-eyebrow {
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.gallery-caption,
.gallery-counter {
  margin: 0;
}

.gallery-caption {
  font-weight: 600;
}

.gallery-dots {
  display: flex;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 1.15rem;
}

.gallery-dot {
  width: 0.75rem;
  height: 0.75rem;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease;
}

.gallery-dot[aria-selected="true"] {
  background: #4ed1bf;
  transform: scale(1.05);
}

.gallery-thumbs {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: clamp(2.8rem, 6vw, 3.5rem);
  gap: 0.55rem;
  margin-top: 1.35rem;
  justify-content: start;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: thin;
}

.gallery-thumb {
  width: 100%;
  padding: 0.2rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
   overflow: hidden;
  transition: border-color 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.gallery-thumb:hover,
.gallery-thumb:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(78, 209, 191, 0.35);
}

.gallery-thumb.is-active {
  border-color: rgba(78, 209, 191, 0.7);
  background: rgba(78, 209, 191, 0.08);
}

.gallery-thumb img {
   display: block;
  width: 100%;
  aspect-ratio: 1440 / 3120;
  object-fit: cover;
  border-radius: 0.65rem;
}

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

@media (max-width: 980px) {
  .hero-grid,
  .news-grid,
  .grid-3,
  .split,
  .product-highlight {
    grid-template-columns: 1fr;
  }

  .hero-card {
    position: static;
    margin-top: 1rem;
  }

  .product-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .mobile-nav:not([hidden]) {
    display: flex;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }

  .screens-gallery {
    padding: 1.25rem;
  }

  .gallery-stage {
    max-width: min(100%, 380px);
  }
}

@media (max-width: 720px) {
  .section {
    padding: 4rem 0;
  }

  .container {
    width: min(100% - 1.5rem, 1200px);
  }

  .brand-text .muted {
    display: none;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .screens-gallery-shell {
    grid-template-columns: 1fr;
  }

  .gallery-nav {
    display: none;
  }

  .gallery-meta {
    flex-direction: column;
  }

  .gallery-thumbs {
     grid-auto-columns: 3.2rem;
  }

  .kv {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .cta-row,
  .footer-links,
  .product-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .screens-gallery {
    padding: 1rem;
    border-radius: 1.4rem;
  }

  .gallery-stage {
    max-width: min(100%, 340px);
    border-radius: 1.65rem;
  }

  .gallery-thumbs {
    grid-auto-columns: 2.9rem;
  }

  .gallery-thumb {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn,
  .gallery-track,
  .gallery-dot,
  .gallery-nav,
  .gallery-thumb {
    transition: none;
  }
}