/* Secure Access — Landing layout */
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
section { position: relative; }

header.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(16px); background: color-mix(in oklab, var(--bg) 72%, transparent); border-bottom: 1px solid transparent; transition: border-color var(--t-base) var(--ease), background var(--t-base) var(--ease); }
header.nav.scrolled { border-bottom-color: var(--border-soft); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: 14.5px; color: var(--text-muted); transition: color var(--t-fast) var(--ease); }
.nav-links a:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 12px; }
@media (max-width: 860px) { .nav-links { display: none; } .nav-right .btn-ghost { display: none; } }

.hero { padding: 72px 0 40px; overflow: clip; }
.hero h1 { font-size: clamp(38px, 6.2vw, 68px); font-weight: 680; letter-spacing: -0.03em; line-height: 1.02; margin: 0; text-wrap: balance; }
.hero .sub { color: var(--text-muted); font-size: clamp(16px, 2vw, 19px); max-width: 30em; margin: 22px 0 0; line-height: 1.55; }
.hero-cta { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.micro { margin-top: 22px; display: flex; align-items: center; gap: 14px; color: var(--text-dim); font-size: 13.5px; flex-wrap: wrap; }
.micro .seg { display: inline-flex; align-items: center; gap: 7px; }
.micro .seg svg { width: 16px; height: 16px; opacity: .9; }
.micro .dotsep { width: 3px; height: 3px; border-radius: 50%; background: var(--text-dim); opacity: .5; }

.hero-inner { text-align: center; display: flex; flex-direction: column; align-items: center; }
.hero .sub { margin-left: auto; margin-right: auto; }
.hero-cta { justify-content: center; }
.micro { justify-content: center; }
.hero-visual { margin-top: 56px; }

.phone { position: relative; width: 300px; aspect-ratio: 300 / 620; background: linear-gradient(180deg, #1a1f2c, #0d1019); border: 1.5px solid #2a3043; border-radius: 42px; padding: 10px; box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255,255,255,.06); }
.phone-screen { position: relative; width: 100%; height: 100%; background: var(--bg); border-radius: 32px; overflow: hidden; border: 1px solid #1a1f2c; text-align: left; }
.phone-notch { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); width: 86px; height: 24px; background: #05060c; border-radius: 14px; z-index: 5; }
.hero-phone { width: 300px; }
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-visual .floatcard { text-align: left; position: absolute; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-md); padding: 12px 14px; box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 10px; backdrop-filter: blur(8px); }
.hero-visual .floatcard .tile { width: 34px; height: 34px; border-radius: 10px; }
.hero-visual .floatcard .tile svg { width: 17px; height: 17px; }
.hero-visual .floatcard small { display: block; color: var(--text-dim); font-size: 11px; }
.hero-visual .floatcard b { font-size: 13.5px; letter-spacing: -0.01em; }
.fc-1 { top: 60px; left: -8px; animation: float1 6s var(--ease) infinite; }
.fc-2 { bottom: 90px; right: -16px; animation: float1 7s var(--ease) infinite .8s; }
@media (max-width: 520px) { .fc-1, .fc-2 { display: none; } }
@keyframes float1 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }

.scr { padding: 38px 14px 14px; display: flex; flex-direction: column; gap: 10px; height: 100%; font-size: 13px; }
.scr-top { display: flex; align-items: center; justify-content: space-between; }
.scr-status { background: var(--surface-1); border: 1px solid var(--border); border-radius: 14px; padding: 13px; }
.scr-status .row { display: flex; align-items: center; justify-content: space-between; }
.scr-status .big { font-size: 16px; font-weight: 650; letter-spacing: -0.02em; margin-top: 8px; }
.scr-line { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--text-dim); margin-top: 6px; }
.scr-dev { background: var(--surface-2); border: 1px solid var(--border); border-radius: 12px; padding: 10px; display: flex; align-items: center; gap: 9px; }
.scr-dev .tile { width: 32px; height: 32px; border-radius: 9px; }
.scr-dev .tile svg { width: 16px; height: 16px; }
.scr-dev b { font-size: 12.5px; }
.scr-dev small { display: block; color: var(--text-dim); font-size: 10.5px; }
.scr-btn { margin-top: auto; background: var(--brand-grad); color: #fff; text-align: center; padding: 12px; border-radius: 13px; font-weight: 600; font-size: 13px; box-shadow: var(--glow-brand); }

.sec-head { max-width: 640px; margin-bottom: 40px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head h2 { font-size: clamp(28px, 4vw, 42px); letter-spacing: -0.028em; margin-top: 16px; }
.sec-head p { color: var(--text-muted); margin: 14px 0 0; font-size: 17px; }
.pad { padding: 80px 0; }

.platforms { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.plat { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 26px 16px; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-lg); transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease); }
.plat:hover { border-color: color-mix(in oklab, var(--brand-a) 35%, var(--border)); transform: translateY(-3px); }
.plat .tile-lg { background: var(--brand-grad-soft); }
.plat span { font-weight: 600; font-size: 14.5px; }
@media (max-width: 640px) { .platforms { grid-template-columns: repeat(2, 1fr); } }

.benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.benefit { padding: 26px; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-lg); transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease); }
.benefit:hover { border-color: color-mix(in oklab, var(--brand-a) 30%, var(--border)); transform: translateY(-2px); }
.benefit h3 { font-size: 18px; margin: 18px 0 8px; letter-spacing: -0.02em; }
.benefit p { color: var(--text-muted); font-size: 14.5px; margin: 0; line-height: 1.55; }
@media (max-width: 880px) { .benefits { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .benefits { grid-template-columns: 1fr; } }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step { padding: 26px; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-lg); position: relative; }
.step .num { font-family: var(--font-mono); font-size: 13px; color: var(--brand); font-weight: 500; }
.step h3 { font-size: 17px; margin: 14px 0 8px; letter-spacing: -0.015em; }
.step p { color: var(--text-muted); font-size: 14px; margin: 0; }
.step .stepicon { position: absolute; top: 22px; right: 22px; color: var(--text-dim); }
@media (max-width: 880px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .steps { grid-template-columns: 1fr; } }

.demo { display: grid; grid-template-columns: 1fr 360px; gap: 56px; align-items: center; }
.demo-list { display: flex; flex-direction: column; gap: 18px; }
.demo-feat { display: flex; gap: 16px; }
.demo-feat .tile { margin-top: 2px; }
.demo-feat h4 { font-size: 17px; letter-spacing: -0.015em; margin: 0 0 5px; }
.demo-feat p { color: var(--text-muted); font-size: 14.5px; margin: 0; }
.demo-visual { display: flex; justify-content: center; }
@media (max-width: 820px) { .demo { grid-template-columns: 1fr; gap: 40px; } .demo-visual { order: -1; } }

.smart { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.smart-card { padding: 26px; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-lg); }
.smart-card.feature { background: linear-gradient(180deg, color-mix(in oklab, var(--brand-a) 12%, var(--surface-1)), var(--surface-1)); border-color: color-mix(in oklab, var(--brand-a) 28%, var(--border)); }
.smart-card h3 { font-size: 18px; margin: 16px 0 12px; letter-spacing: -0.02em; }
.smart-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.smart-list li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: var(--text-muted); }
.smart-list li svg { color: var(--success); flex: none; }
@media (max-width: 820px) { .smart { grid-template-columns: 1fr; } }

.ctaband { position: relative; overflow: hidden; border: 1px solid color-mix(in oklab, var(--brand-a) 30%, var(--border)); border-radius: var(--r-xl); padding: 56px 48px; text-align: center; background: radial-gradient(120% 140% at 50% 0%, color-mix(in oklab, var(--brand-a) 22%, var(--surface-1)), var(--surface-1)); }
.ctaband h2 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -0.03em; }
.ctaband p { color: var(--text-muted); font-size: 17px; margin: 14px auto 28px; max-width: 32em; }

.faq { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.qa { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; transition: border-color var(--t-base) var(--ease); }
.qa[open] { border-color: color-mix(in oklab, var(--brand-a) 30%, var(--border)); }
.qa summary { list-style: none; cursor: pointer; padding: 20px 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-weight: 600; font-size: 16px; letter-spacing: -0.015em; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary .chev { color: var(--text-dim); transition: transform var(--t-base) var(--ease); flex: none; }
.qa[open] summary .chev { transform: rotate(180deg); color: var(--brand); }
.qa .ans { padding: 0 22px 22px; color: var(--text-muted); font-size: 15px; line-height: 1.6; max-width: 58ch; }

footer.foot { border-top: 1px solid var(--border-soft); padding: 48px 0 56px; margin-top: 80px; }
.foot-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot-inner p { color: var(--text-dim); font-size: 14px; margin: 8px 0 0; }
@media (max-width: 560px) { .foot-inner { flex-direction: column; align-items: flex-start; } }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }