/* ============================================================
   SUBTIVALS — site.css
   Modern CSS: custom properties, Grid/Flexbox, no vendor prefixes
   ============================================================ */

/* --- Variables -------------------------------------------- */
:root {
  --c-primary:   #9762c2;
  --c-primary-d: #7e43ae;
  --c-dark:      #2b2d35;
  --c-bg:        #f6f6f6;
  --c-white:     #fff;
  --c-text:      #333;
  --c-muted:     #888;
  --nav-h:       90px;
  --nav-h-sm:    64px;
  --font-head:   'Montserrat', sans-serif;
  --font-body:   'Open Sans', sans-serif;
  --transition:  0.3s ease;
  --radius:      4px;
}

/* --- Reset ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.75;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }
h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.2;
  color: inherit;
}

/* --- Preloader -------------------------------------------- */
.preloader {
  position: fixed;
  inset: 0;
  background: var(--c-dark);
  z-index: 9999;
  display: grid;
  place-items: center;
  transition: opacity 0.8s ease;
}
.preloader.fade-out { opacity: 0; pointer-events: none; }
.spinner { display: flex; gap: 6px; }
.spinner span {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--c-white);
  animation: bounce 1.4s infinite ease-in-out both;
}
.spinner span:nth-child(1) { animation-delay: -0.32s; }
.spinner span:nth-child(2) { animation-delay: -0.16s; }
@keyframes bounce {
  0%, 80%, 100% { transform: scale(0); }
  40%           { transform: scale(1); }
}

/* --- Navigation ------------------------------------------- */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  transition: height var(--transition), background var(--transition), box-shadow var(--transition);
}
.nav-inner {
  max-width: 1170px;
  margin: 0 auto;
  height: 100%;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-brand img { height: 40px; width: auto; transition: height var(--transition); }
.nav-brand:hover { text-decoration: none; color: var(--c-primary); }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 400;
  letter-spacing: 1px;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--c-primary); text-decoration: none; }

/* Shrunk nav */
.site-nav.shrunk {
  height: var(--nav-h-sm);
  background: var(--c-white);
  box-shadow: 0 1px 8px rgba(0,0,0,0.12);
}
.site-nav.shrunk .nav-brand { color: var(--c-dark); }
.site-nav.shrunk .nav-brand img { height: 28px; }
.site-nav.shrunk .nav-links a { color: var(--c-dark); }
.site-nav.shrunk .nav-links a:hover { color: var(--c-primary); }

/* Mobile toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: var(--radius);
  padding: 6px 8px;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--c-white);
  border-radius: 1px;
  transition: background var(--transition);
}
.site-nav.shrunk .nav-toggle { border-color: rgba(0,0,0,0.2); }
.site-nav.shrunk .nav-toggle span { background: var(--c-dark); }

@media (max-width: 767px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--c-dark);
    padding: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    display: block;
    padding: 14px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    color: var(--c-white) !important;
  }
  .nav-ref { display: none; }
}

/* --- Hero -------------------------------------------------- */
#hero {
  position: relative;
  height: 100dvh;
  min-height: 540px;
  background: url('../img/bg-featuredapp1.jpg') center/cover no-repeat;
  display: grid;
  place-items: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 55%, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.82) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--c-white);
  padding: 0 20px;
  max-width: 800px;
}
.hero-content h2 {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 300;
  opacity: 0.9;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}
.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}
.hero-content p {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  opacity: 0.88;
  line-height: 1.8;
  margin: 0 auto 2rem;
  max-width: 560px;
}
.btn-scroll {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.5);
  color: var(--c-white);
  font-size: 1.4rem;
  transition: border-color var(--transition), background var(--transition);
}
.btn-scroll:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--c-white);
  text-decoration: none;
  color: var(--c-white);
}

/* --- Sections base ---------------------------------------- */
section { padding: 4.5rem 0; position: relative; }
.container {
  max-width: 1170px;
  margin: 0 auto;
  padding: 0 20px;
}
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.section-header .eyebrow {
  font-family: var(--font-head);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--c-primary);
  display: block;
  margin-bottom: 0.6rem;
}
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
}

/* Dark section */
section.dark {
  background: var(--c-dark);
  color: var(--c-white);
}
section.dark h2, section.dark h3, section.dark p { color: var(--c-white); }
section.dark a { color: #ccc; }
section.dark a:hover { color: var(--c-white); }
section.dark .eyebrow { color: var(--c-primary); }

/* Light section */
section.light {
  background: #f0eef4;
}

/* Featured (bg image) */
section.with-bg {
  background: url('../img/bg-content1.jpg') center/cover no-repeat;
  min-height: 400px;
}

/* --- About ------------------------------------------------- */
#about { overflow: hidden; }
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem;
  text-align: center;
  margin-top: 2rem;
}
.about-card { padding: 1rem; }
.about-card .icon-wrap {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--c-primary);
  color: var(--c-white);
  font-size: 1.8rem;
  display: grid;
  place-items: center;
  margin: 0 auto 1.2rem;
}
.about-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

/* --- Featured1 -------------------------------------------- */
#featured1 {
  display: grid;
  place-items: center;
}
.featured1-content {
  position: relative;
  z-index: 1;
  color: var(--c-white);
  max-width: 520px;
  margin-left: auto;
  margin-right: 0;
  padding: 4rem 20px;
}
#featured1 .container { width: 100%; }
#featured1 .row-push {
  display: flex;
  justify-content: flex-end;
}
.featured1-content h2 { font-size: 2rem; margin-bottom: 1rem; }
.featured1-content p { opacity: 0.9; margin-bottom: 0.8rem; }

/* --- Featured2 -------------------------------------------- */
#featured2 { background: var(--c-white); }
.featured2-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.featured2-grid img { border-radius: var(--radius); }
.featured2-text h2 { font-size: 1.8rem; margin-bottom: 1rem; }
.featured2-text p { margin-bottom: 0.8rem; }
.featured2-text a { display: inline-block; margin-top: 0.5rem; }
@media (max-width: 767px) {
  .featured2-grid { grid-template-columns: 1fr; }
}

/* --- Testimonials ----------------------------------------- */
#testimonials {}
.testimonial-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 900px) {
  .testimonial-layout { grid-template-columns: 1fr; }
}

/* Testimonial carousel */
.quote-carousel { position: relative; }
.quote-item {
  display: none;
  animation: fadeIn 0.35s ease;
}
.quote-item.active { display: block; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
blockquote { border: none; padding: 0; }
blockquote .quote-body {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}
blockquote img {
  width: 70px; height: 70px;
  border-radius: 50%;
  flex-shrink: 0;
  object-fit: cover;
}
blockquote p { font-style: italic; margin-bottom: 0.5rem; color: rgba(255,255,255,0.9); }
blockquote small { color: rgba(255,255,255,0.6); font-size: 0.85rem; }
blockquote small a { color: rgba(255,255,255,0.75); }

.carousel-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1.4rem;
}
.carousel-dots {
  display: flex; gap: 6px;
}
.carousel-dots button {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: background var(--transition);
  padding: 0;
}
.carousel-dots button.active { background: var(--c-white); }
.carousel-btn {
  background: none;
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--c-white);
  border-radius: var(--radius);
  padding: 4px 10px;
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
  transition: border-color var(--transition), background var(--transition);
}
.carousel-btn:hover { border-color: var(--c-white); background: rgba(255,255,255,0.1); }

/* Reference lists */
.ref-lists { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.ref-lists h3 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--c-primary);
  margin-bottom: 0.6rem;
  font-family: var(--font-head);
}
.ref-lists ul { padding: 0; }
.ref-lists li {
  padding: 2px 0;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.ref-lists li a { color: rgba(255,255,255,0.85); }
.ref-lists li a:hover { color: var(--c-white); }
.ref-lists li em { opacity: 0.6; font-size: 0.85rem; }

/* Logo grid */
.logos {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
}
.logos a img {
  max-height: 50px;
  width: auto;
  opacity: 0.45;
  filter: grayscale(1);
  background: white;
  padding: 3px;
  border-radius: 2px;
  transition: opacity var(--transition), filter var(--transition);
}
.logos a img.black-bg { background: black; }
.logos a:hover img { opacity: 1; filter: grayscale(0); }

/* --- Gallery ---------------------------------------------- */
#gallery { background: var(--c-white); }
.screencast {
  background: var(--c-white);
  padding: 16px;
  border-radius: var(--radius);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  margin-bottom: 2rem;
}
.screencast video { border-radius: var(--radius); width: 100%; display: block; }

/* Scroll-snap carousel */
.snap-carousel { position: relative; }
.snap-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  gap: 12px;
  padding: 4px 2px 12px;
}
.snap-track::-webkit-scrollbar { display: none; }
.snap-item {
  flex: 0 0 calc(33.333% - 8px);
  scroll-snap-align: start;
}
.snap-item img {
  width: 100%;
  border-radius: var(--radius);
  cursor: zoom-in;
  transition: opacity 0.2s;
}
.snap-item a { display: block; }
.snap-item a:hover img { opacity: 0.85; }
.snap-nav {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  font-size: 2rem;
  line-height: 1;
  padding: 6px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  z-index: 5;
  transition: background 0.2s;
}
.snap-nav:hover { background: rgba(0,0,0,0.8); }
.snap-prev { left: 0; }
.snap-next { right: 0; }

@media (max-width: 600px) { .snap-item { flex: 0 0 85%; } }
@media (min-width: 601px) and (max-width: 900px) { .snap-item { flex: 0 0 calc(50% - 6px); } }

/* --- CTA / In-situ ---------------------------------------- */
#insitu { }
.insitu-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 2.5rem;
}
.insitu-top h2 { font-size: 1.8rem; margin-bottom: 1rem; }
.insitu-top img { border-radius: var(--radius); }
@media (max-width: 767px) { .insitu-top { grid-template-columns: 1fr; } }

/* --- Download --------------------------------------------- */
#download { background: var(--c-dark); color: var(--c-white); }
.plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}
.plan {
  background: rgba(255,255,255,0.06);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  transition: transform 0.25s, box-shadow 0.25s;
}
.plan:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.plan.featured {
  background: rgba(151,98,194,0.15);
  border-color: var(--c-primary);
}
.plan-head {
  padding: 1.8rem 1.5rem 1.2rem;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.plan-head h2 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.plan-price {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 700;
}
.plan-price sup { font-size: 1rem; vertical-align: super; font-weight: 400; }
.plan-price sub { font-size: 0.75rem; vertical-align: bottom; opacity: 0.7; font-weight: 400; }
.plan-features {
  padding: 1.2rem 1.5rem;
  list-style: none;
}
.plan-features li {
  padding: 4px 0;
  font-size: 0.9rem;
  opacity: 0.85;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.plan-cta { padding: 0 1.5rem 1.5rem; display: flex; flex-direction: column; gap: 8px; }

/* --- Buttons ---------------------------------------------- */
.btn {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  text-align: center;
  text-decoration: none;
}
.btn-primary {
  background: var(--c-primary);
  color: var(--c-white);
  border: 1px solid var(--c-primary);
}
.btn-primary:hover {
  background: var(--c-primary-d);
  border-color: var(--c-primary-d);
  color: var(--c-white);
  text-decoration: none;
}
.btn-outline {
  background: transparent;
  color: #aaa;
  border: 1px solid #666;
}
.btn-outline:hover { border-color: #aaa; color: #ddd; text-decoration: none; }
.btn-outline-light {
  background: transparent;
  color: rgba(255,255,255,0.65);
  border: 1px solid rgba(255,255,255,0.3);
}
.btn-outline-light:hover {
  border-color: rgba(255,255,255,0.7);
  color: var(--c-white);
  text-decoration: none;
}

/* Plan notes */
.plan-notes {
  margin-top: 2.5rem;
  font-size: 0.88rem;
  opacity: 0.7;
  max-width: 600px;
}

/* --- Contact CTA ------------------------------------------ */
#contact-cta { background: var(--c-bg); text-align: center; }
#contact-cta h2 { font-size: 1.8rem; margin-bottom: 0.5rem; }
#contact-cta .highlight { color: var(--c-primary); }
#contact-cta p { margin: 0.8rem 0; color: var(--c-muted); }
#contact-cta .btn { margin-top: 0.5rem; }

/* --- Footer ----------------------------------------------- */
footer {
  background: var(--c-dark);
  color: rgba(255,255,255,0.7);
  padding: 3.5rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2.5rem;
}
footer h3 {
  font-family: var(--font-head);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--c-white);
  margin-bottom: 0.8rem;
}
footer ul { padding: 0; }
footer li { padding: 3px 0; font-size: 0.88rem; }
footer a { color: rgba(255,255,255,0.65); }
footer a:hover { color: var(--c-white); text-decoration: none; }
.footer-logo h2 {
  font-family: var(--font-head);
  font-size: 1.4rem;
  color: var(--c-white);
  margin-bottom: 0.4rem;
}
.footer-logo p { font-size: 0.88rem; margin: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  font-size: 0.8rem;
  opacity: 0.5;
  text-align: center;
}
footer .fa { margin-right: 5px; }

/* --- Lightbox --------------------------------------------- */
dialog.lightbox {
  position: fixed;
  inset: 0;
  width: 100vw; height: 100vh;
  max-width: none; max-height: none;
  border: none;
  padding: 0;
  margin: 0;
  background: transparent;
  display: none;
  align-items: center;
  justify-content: center;
}
dialog.lightbox[open] { display: flex; }
dialog.lightbox::backdrop { background: rgba(0,0,0,0.9); }
.lightbox-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 92vw;
  max-height: 92vh;
}
.lightbox-img {
  max-width: 80vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 3px;
  display: block;
}
.lightbox-close {
  position: absolute;
  top: -2.5rem; right: 0;
  background: none;
  border: none;
  color: white;
  font-size: 2.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  opacity: 0.75;
  transition: opacity 0.2s;
}
.lightbox-close:hover { opacity: 1; }
.lb-prev, .lb-next {
  background: rgba(255,255,255,0.12);
  border: none;
  color: white;
  font-size: 3rem;
  line-height: 1;
  padding: 8px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s;
  flex-shrink: 0;
}
.lb-prev:hover, .lb-next:hover { background: rgba(255,255,255,0.25); }

/* --- Scroll reveal ---------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in { opacity: 1; transform: none; }

/* --- Utility ---------------------------------------------- */
.text-center { text-align: center; }
.highlight { color: var(--c-primary); }