/* ============================================================
   SastenaScreen — product page  (prefix: .ss-*)
   Faithful Fairatmos /atmoscheck layout, Sastena green/dark theme.
   Reuses :root tokens + .s-* utilities from styles.css.
   Sections alternate dark <-> cream like the source page.
   ============================================================ */

/* ---------- Screen-reader only ---------- */
.ss-sr {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ============================================================
   SastenaScreen logo lockup (icon + two-tone wordmark)
   ============================================================ */
.ss-logo { display: inline-flex; align-items: center; gap: 9px; line-height: 1; }
.ss-logo-mark { display: grid; place-items: center; flex: 0 0 auto; }
.ss-logo-svg { display: block; }
/* Wordmark is ALWAYS "Sastena" (plain page color) + "Screen" (green bold). */
.ss-logo-word { font-family: "Sofia Sans", system-ui, sans-serif; font-weight: 800; letter-spacing: -0.012em; }
.ss-logo-lead { font-weight: 500; }
.ss-logo-suffix { font-weight: 800; color: var(--leaf); }

/* Navbar variant — on the dark glass pill: white "Sastena", green "Screen" */
.ss-logo--nav .ss-logo-svg { width: 30px; height: 30px; color: #fff; }
.ss-logo--nav .ss-logo-word { font-size: 1.34rem; }
.ss-logo--nav .ss-logo-lead { color: #fff; }
.ss-logo--nav .ss-logo-suffix { color: var(--leaf); }

/* Colored variant — inside the cream "Introducing" heading: dark "Sastena", green "Screen" */
.ss-logo--color .ss-logo-svg { width: 1.18em; height: 1.18em; }
.ss-logo--color .ss-ic-base { fill: var(--deep); }
.ss-logo--color .ss-ic-accent { fill: var(--leaf-dark); }
.ss-logo--color .ss-logo-word { font-size: 1em; }
.ss-logo--color .ss-logo-lead { color: var(--deep); }
.ss-logo--color .ss-logo-suffix { color: var(--leaf-dark); }

/* ============================================================
   1. HERO  (dark, full-bleed photo)
   ============================================================ */
.ss-hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: var(--deep);
  display: flex;
  align-items: flex-end;            /* anchor copy to the lower area like the source */
}
.ss-hero-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: 78% 30%;  /* keep the subject clear of the left-side text */
  z-index: 0;
}
.ss-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(8, 16, 11, 0.92) 0%, rgba(8, 16, 11, 0.74) 34%, rgba(8, 16, 11, 0.30) 64%, rgba(8, 16, 11, 0.12) 100%),
    linear-gradient(180deg, var(--deep) 0%, rgba(15, 26, 18, 0) 24%, rgba(15, 26, 18, 0) 58%, rgba(8, 16, 11, 0.55) 84%, rgba(8, 16, 11, 0.82) 100%);
}
.ss-hero-inner {
  position: relative; z-index: 2;
  padding-top: clamp(150px, 22vh, 280px);
  padding-bottom: clamp(40px, 6vh, 66px);
}
.ss-hero-copy { max-width: 760px; }
.ss-hero-title {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  font-weight: 800; line-height: 1.05; letter-spacing: -0.03em;
  color: #fff; max-width: 17ch; margin: 0 0 20px;
  text-wrap: balance;
}
.ss-hero-lede {
  font-size: clamp(1.05rem, 1.35vw, 1.28rem);
  color: rgba(255, 255, 255, 0.9);
  max-width: 52ch; margin: 0;
}
.ss-hero-row {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  margin-top: clamp(30px, 5vh, 52px);
}
.ss-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   2. INTRODUCING  (cream)
   ============================================================ */
.ss-intro {
  position: relative; overflow: hidden;
  background: var(--cream);
  padding: clamp(72px, 11vh, 124px) 0;
}
.ss-topo {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: repeating-linear-gradient(118deg, rgba(10, 18, 12, 0.028) 0 1px, transparent 1px 30px);
  -webkit-mask-image: radial-gradient(120% 120% at 100% 0%, #000 0%, transparent 55%), radial-gradient(120% 120% at 0% 100%, #000 0%, transparent 55%);
  mask-image: radial-gradient(120% 120% at 100% 0%, #000 0%, transparent 55%), radial-gradient(120% 120% at 0% 100%, #000 0%, transparent 55%);
  opacity: 0.9;
}
.ss-intro .s-container { position: relative; z-index: 1; }

.ss-intro-head { text-align: center; max-width: 1040px; margin: 0 auto; }
.ss-intro-title {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 10px 18px;
  font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 800; color: var(--deep);
  line-height: 1.1;
}
.ss-intro-lead { color: var(--deep); }
.ss-intro-lede {
  font-size: clamp(1rem, 1.2vw, 1.15rem); line-height: 1.7;
  color: #4a5a50; margin: 24px auto 0; max-width: 88ch;
}
.ss-intro-lede strong { color: var(--deep); font-weight: 700; }

/* ---- Tab pills ---- */
.ss-tabs {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 14px;
  margin: clamp(34px, 5vw, 52px) auto clamp(34px, 5vw, 50px);
}
.ss-tab {
  font-weight: 700; font-size: 0.94rem; color: var(--deep);
  background: #fff; border: 1px solid rgba(10, 18, 12, 0.07);
  padding: 13px 24px; border-radius: var(--pill);
  box-shadow: 0 6px 18px rgba(10, 18, 12, 0.06);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.ss-tab:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(10, 18, 12, 0.10); }
.ss-tab.is-active {
  background: var(--deep-3); color: var(--leaf);
  border-color: transparent; box-shadow: 0 12px 26px rgba(15, 26, 18, 0.28);
}

/* ---- Panels (left copy card + right image) ---- */
.ss-panels { position: relative; display: grid; }
.ss-panel {
  grid-area: 1 / 1;            /* every panel shares one cell → container = tallest panel */
  display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 30px; align-items: stretch;
  opacity: 1; visibility: visible;
  transition: opacity 0.45s ease, visibility 0s;
}
/* keep [hidden] panels in the grid (so they still set the height) but hide them visually */
.ss-panel[hidden] {
  display: grid;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.45s ease, visibility 0s linear 0.45s;
}

.ss-panel-copy {
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(10, 18, 12, 0.06);
  border-radius: var(--radius);
  padding: clamp(30px, 4vw, 58px);
  display: flex; flex-direction: column; justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}
.ss-panel-title {
  font-size: clamp(1.4rem, 2.2vw, 1.95rem);
  font-weight: 800; line-height: 1.18; letter-spacing: -0.015em;
  color: var(--deep);
}
.ss-panel-text { color: #4a5a50; margin-top: 18px; max-width: 42ch; font-size: 1.02rem; }

/* ---- Right-side media: a single image (swap in real app screenshots later) ----
   Each panel's visual is one <img>; the image frame fills its grid column and the
   left copy card stretches to match, so the two columns always align edge-to-edge. */
.ss-panel-media {
  min-width: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(10, 18, 12, 0.20);
  background: #e9eee9;            /* soft tint shown while the image loads */
}
.ss-panel-img {
  display: block;
  width: 100%;
  height: clamp(420px, 32vw, 520px);
  object-fit: cover;             /* fill the frame and crop — works for any screenshot/photo */
  object-position: center;
}

/* ============================================================
   3. STATS / MOVEMENT  (dark, photo band)
   ============================================================ */
.ss-stats {
  position: relative; overflow: hidden; text-align: center;
  background: var(--deep); padding: clamp(80px, 13vh, 138px) 0;
}
.ss-stats-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; opacity: 0.45; }
.ss-stats::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(8, 16, 11, 0.86) 0%, rgba(8, 16, 11, 0.74) 50%, rgba(8, 16, 11, 0.88) 100%);
}
.ss-stats-inner { position: relative; z-index: 2; }
.ss-stats-title { font-size: clamp(1.9rem, 3.8vw, 3rem); font-weight: 800; color: #fff; max-width: 22ch; margin: 0 auto; letter-spacing: -0.02em; }
.ss-stats-lede { color: rgba(255, 255, 255, 0.82); max-width: 72ch; margin: 18px auto 32px; }
.ss-stats-cta { display: flex; justify-content: center; }
.ss-stats-rule { display: block; width: 130px; height: 1px; background: rgba(255, 255, 255, 0.25); margin: clamp(40px, 6vh, 60px) auto; }
.ss-stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; max-width: 920px; margin: 0 auto; }
.ss-stat-num { display: block; font-size: clamp(3rem, 7vw, 5rem); font-weight: 800; color: var(--leaf); line-height: 1; letter-spacing: -0.02em; }
.ss-stat-label { color: rgba(255, 255, 255, 0.85); margin: 16px auto 0; max-width: 34ch; }
.ss-stat-label strong { color: #fff; font-weight: 700; }

.ss-cta-ic { display: inline-flex; }
.ss-cta-ic svg { width: 20px; height: 20px; display: block; }

/* ============================================================
   4. GO FURTHER  (dark, photo band)
   ============================================================ */
.ss-further {
  position: relative; overflow: hidden; text-align: center;
  background: var(--deep); padding: clamp(80px, 13vh, 134px) 0;
}
.ss-further-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 40%; z-index: 0; opacity: 0.4; }
.ss-further::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(8, 16, 11, 0.82) 0%, rgba(8, 16, 11, 0.7) 50%, rgba(8, 16, 11, 0.86) 100%);
}
.ss-further-inner { position: relative; z-index: 2; }
.ss-further-pre { color: rgba(255, 255, 255, 0.92); font-size: clamp(1.1rem, 1.7vw, 1.45rem); font-weight: 600; }
.ss-further-title { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; line-height: 1.06; letter-spacing: -0.02em; }
.ss-further-and { color: #fff; font-weight: 700; font-size: 1.2rem; margin: 6px 0; }
.ss-further-lede { color: rgba(255, 255, 255, 0.82); max-width: 60ch; margin: 24px auto 32px; }
.ss-further-cta { display: flex; justify-content: center; }

/* ============================================================
   5. FAQ  (cream, accordion)
   ============================================================ */
.ss-faq {
  position: relative; overflow: hidden;
  background: var(--cream); padding: clamp(72px, 11vh, 120px) 0;
}
.ss-topo--faq {
  -webkit-mask-image: radial-gradient(120% 120% at 0% 100%, #000 0%, transparent 52%), radial-gradient(120% 120% at 100% 60%, #000 0%, transparent 52%);
  mask-image: radial-gradient(120% 120% at 0% 100%, #000 0%, transparent 52%), radial-gradient(120% 120% at 100% 60%, #000 0%, transparent 52%);
}
.ss-faq .s-container { position: relative; z-index: 1; }
.ss-faq-head { text-align: center; margin-bottom: clamp(34px, 5vw, 48px); }
.ss-faq-title { font-size: clamp(1.7rem, 3.6vw, 2.7rem); font-weight: 800; color: var(--deep); letter-spacing: -0.02em; }
.ss-faq-point { font-size: 0.92em; margin-right: 6px; }
.ss-faq-sub { color: #6a7a70; margin-top: 12px; }
.ss-faq-list { max-width: 820px; margin: 0 auto; }
.ss-faq-item { border-top: 1px solid rgba(10, 18, 12, 0.13); }
.ss-faq-item:last-child { border-bottom: 1px solid rgba(10, 18, 12, 0.13); }
.ss-faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 20px;
  text-align: left; padding: clamp(20px, 2.6vw, 27px) 4px;
  font-size: clamp(1rem, 1.4vw, 1.16rem); font-weight: 700; color: var(--deep);
}
.ss-faq-chev { flex: 0 0 auto; color: #4a5a50; transition: transform 0.35s ease; }
.ss-faq-chev svg { width: 20px; height: 20px; display: block; }
.ss-faq-item.is-open .ss-faq-chev { transform: rotate(180deg); }
.ss-faq-a { height: 0; overflow: hidden; transition: height 0.42s cubic-bezier(0.22, 1, 0.36, 1); }
.ss-faq-a-inner { padding: 2px 4px 28px; color: #45554b; max-width: 72ch; }
.ss-faq-a-inner p { margin-bottom: 12px; }
.ss-faq-a-inner p:last-child { margin-bottom: 0; }
.ss-faq-a-inner strong { color: var(--deep); font-weight: 700; }
.ss-faq-a-inner ul { list-style: none; margin: 6px 0 14px; padding: 0; }
.ss-faq-a-inner li { position: relative; padding-left: 18px; margin-bottom: 8px; }
.ss-faq-a-inner li::before { content: "–"; position: absolute; left: 2px; color: var(--leaf-dark); font-weight: 700; }

/* ============================================================
   6. FINAL CTA  (dark, photo band)
   ============================================================ */
.ss-cta {
  position: relative; overflow: hidden; text-align: center;
  background: var(--deep); padding: clamp(90px, 15vh, 154px) 0;
}
.ss-cta-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; z-index: 0; opacity: 0.5; }
.ss-cta::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(8, 16, 11, 0.78) 0%, rgba(8, 16, 11, 0.62) 50%, rgba(8, 16, 11, 0.82) 100%);
}
.ss-cta-inner { position: relative; z-index: 2; }
.ss-cta-title { font-size: clamp(2rem, 4.6vw, 3.4rem); font-weight: 800; color: #fff; max-width: 20ch; margin: 0 auto; line-height: 1.08; letter-spacing: -0.025em; }
.ss-cta-lede { color: rgba(255, 255, 255, 0.84); margin: 16px auto 32px; }
.ss-cta-actions { display: flex; justify-content: center; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 960px) {
  .ss-panel { grid-template-columns: 1fr; gap: 22px; }
  .ss-panel-text { max-width: none; }
  .ss-panel-img { height: clamp(260px, 46vw, 380px); }
}

@media (max-width: 720px) {
  .ss-hero-row { flex-direction: column; align-items: flex-start; gap: 20px; }
  .ss-stats-grid { grid-template-columns: 1fr; gap: 44px; }
}

@media (max-width: 460px) {
  .ss-tab { font-size: 0.86rem; padding: 11px 18px; }
}

/* Respect reduced motion (shared script also guards) */
@media (prefers-reduced-motion: reduce) {
  .ss-panel { transition: none; }
  .ss-faq-a { transition: none; }
  .ss-tab:hover { transform: none; }
}