/* ==========================================================================
   LAYOUT — header, hero, sections, grids, footer
   ========================================================================== */

.wrap { width: min(100% - var(--gutter) * 2, var(--max)); margin-inline: auto; }

/* ---- Header -------------------------------------------------------------- */
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  padding: .9rem 0;
  transition: background var(--dur), border-color var(--dur), padding var(--dur);
  border-bottom: 1px solid transparent;
}
.top.is-stuck {
  padding: .55rem 0;
  background: rgb(4 13 25 / .72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-color: var(--line);
}
.top__row { display: flex; align-items: center; gap: 1.5rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 700; font-size: 1.25rem; letter-spacing: -0.03em; }
.brand img { width: 30px; height: 29px; }
.brand b { font-weight: 700; color: #fff; }
.brand span { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 700; }
.nav { display: flex; gap: .2rem; margin-left: auto; }
.nav a { padding: .45rem .8rem; border-radius: 999px; color: var(--text-muted); font-size: .95rem; font-weight: 500; transition: color var(--dur), background var(--dur); }
.nav a:hover, .nav a[aria-current] { color: var(--text); background: rgb(170 215 255 / .07); }
.top .btn { margin-left: .5rem; }
.nav-toggle { display: none; margin-left: auto; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--line-strong); }
.nav-toggle span { display: block; width: 18px; height: 2px; margin: 4px auto; background: var(--text); border-radius: 2px; transition: transform var(--dur), opacity var(--dur); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; inset: 100% var(--gutter) auto; flex-direction: column; padding: .6rem; gap: .1rem;
    background: rgb(7 26 45 / .96); border: 1px solid var(--line-strong); border-radius: var(--radius);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    opacity: 0; transform: translateY(-8px); pointer-events: none; transition: opacity var(--dur), transform var(--dur) var(--ease-out); }
  .nav a { padding: .7rem .9rem; border-radius: 9px; }
  .top.is-open .nav { opacity: 1; transform: none; pointer-events: auto; }
  .top.is-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .top.is-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .top.is-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .top .btn { display: none; }
}

/* ---- Hero ---------------------------------------------------------------- */
.hero { position: relative; padding: calc(6.5rem + 4vw) 0 clamp(3rem, 6vw, 6rem); overflow: clip; isolation: isolate; }
.hero__sky { position: absolute; inset: 0; z-index: -1; }
.hero__sky canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__sky::after { content: ""; position: absolute; inset: 0; background:
  radial-gradient(ellipse 60% 50% at 70% 35%, rgb(7 137 237 / .18), transparent 70%),
  linear-gradient(180deg, rgb(4 13 25 / .2) 0%, rgb(4 13 25 / 0) 40%, var(--bg) 100%); pointer-events: none; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero h1 { font-size: var(--fs-hero); font-weight: 700; letter-spacing: -0.04em; line-height: 1.02; }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .05em; margin-bottom: -.05em; }
.hero h1 .line > span { display: block; }
.hero__lead { margin-top: 1.4rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; align-items: center; }
.hero__req { margin-top: 1.1rem; font-size: var(--fs-small); color: var(--text-dim); }
.hero__win { perspective: 1600px; }
.hero__win .win { transform: rotateY(-6deg) rotateX(2deg); transform-origin: 40% 50%; }

@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__win .win { transform: none; }
  .hero__win { margin-top: 1rem; }
}

/* ---- Sections ------------------------------------------------------------ */
.section { padding: var(--section) 0 0; }
.section--tight { padding-top: calc(var(--section) * .6); }
.section__head { max-width: 46rem; margin-bottom: clamp(2rem, 4vw, 3.2rem); }
.section__head h2 { font-size: var(--fs-h2); }
.section__head .lead { margin-top: 1rem; }

/* Four reasons: a quiet row, no cards */
.reasons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem clamp(1.5rem, 3vw, 3rem); margin-top: clamp(3rem, 6vw, 5rem); padding-top: 2.5rem; border-top: 1px solid var(--line); }
.reason h3 { font-size: 1.05rem; display: flex; align-items: center; gap: .6rem; }
.reason h3::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--grad-cyan); box-shadow: 0 0 14px rgb(22 213 255 / .6); flex: none; }
.reason p { margin-top: .6rem; color: var(--text-muted); font-size: .95rem; }
@media (max-width: 900px) { .reasons { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .reasons { grid-template-columns: 1fr; } }

/* Feature split: text on one side, a window on the other */
.split { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.split--flip { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); }
.split--flip > :first-child { order: 2; }
.split h2 { font-size: var(--fs-h2); }
.split h3 { font-size: var(--fs-h3); }
.split .lead { margin-top: .9rem; }
@media (max-width: 900px) { .split, .split--flip { grid-template-columns: 1fr; } .split--flip > :first-child { order: 0; } }

.checks { margin-top: 1.4rem; display: grid; gap: .55rem; list-style: none; }
.checks li { position: relative; padding-left: 1.75rem; color: var(--text-muted); font-size: .95rem; line-height: 1.5; }
.checks li::before { content: ""; position: absolute; left: 0; top: .2em; width: 18px; height: 18px; border-radius: 50%; background:
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Ccircle cx='9' cy='9' r='8.5' fill='none' stroke='%2316d5ff' stroke-opacity='.5'/%3E%3Cpath d='M5.5 9.2l2.3 2.3 4.7-4.9' fill='none' stroke='%2316d5ff' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat; }
.checks b { color: var(--text); font-weight: 600; }

/* Three quiet panels */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
@media (max-width: 900px) { .trio { grid-template-columns: 1fr; } }

/* ---- Privacy band --------------------------------------------------------- */
.band { margin-top: var(--section); padding: clamp(3rem, 6vw, 5rem) 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgb(7 137 237 / .07), transparent 60%); }
.band__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 2rem clamp(2rem, 5vw, 5rem); align-items: start; }
.band h2 { font-size: var(--fs-h2); }
.band p { color: var(--text-muted); font-size: var(--fs-lead); line-height: 1.55; text-wrap: pretty; }
.band p + p { margin-top: 1em; font-size: var(--fs-body); }
@media (max-width: 800px) { .band__grid { grid-template-columns: 1fr; } }

/* ---- Pricing -------------------------------------------------------------- */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; max-width: 880px; }
@media (max-width: 700px) { .plans { grid-template-columns: 1fr; } }

/* ---- Download CTA --------------------------------------------------------- */
.cta { margin-top: var(--section); padding: clamp(3.5rem, 7vw, 6rem) 0; text-align: center; position: relative; isolation: isolate; overflow: clip; }
.cta::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse 50% 70% at 50% 100%, rgb(22 213 255 / .16), transparent 70%); }
.cta img { width: 112px; height: 112px; margin: 0 auto 1.4rem; border-radius: 26px; box-shadow: var(--shadow-win); }
.cta h2 { font-size: var(--fs-h2); }
.cta .lead { margin: 1rem auto 0; }
.cta .hero__cta { justify-content: center; }

/* ---- Footer ---------------------------------------------------------------- */
.foot { border-top: 1px solid var(--line); padding: 2.5rem 0 3rem; font-size: var(--fs-small); color: var(--text-dim); }
.foot__row { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; }
.foot__links { display: flex; flex-wrap: wrap; gap: .2rem 1.2rem; margin-left: auto; }
.foot__links a:hover { color: var(--text); }
.foot .brand { font-size: 1.05rem; }
.foot .brand img { width: 22px; height: 21px; }

/* ---- Inner pages ------------------------------------------------------------ */
.page { padding: calc(7rem + 2vw) 0 var(--section); }
.page__head { max-width: 46rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.page__head h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 700; letter-spacing: -0.035em; }
.page__head .lead { margin-top: 1rem; }
.page__grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 3rem; align-items: start; }
@media (max-width: 860px) { .page__grid { grid-template-columns: 1fr; } }
.aside { position: sticky; top: 6rem; }