/* ============================================================
   CICADA × DETAILERS — styles.css
   1. Reset  2. Tokens  3. Base  4. Layout  5. Components
   6. Sections  7. Responsive  8. Reduced motion
   ============================================================ */

/* 1. RESET */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;max-width:100%;overflow-x:hidden}
body{max-width:100%;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul,ol{list-style:none}

/* 2. TOKENS */
:root{
  --bg:#0A0B0C;--surface:#141619;--surface-2:#1E2227;--border:#2A2F36;
  --text:#F4F6F8;--text-muted:#9AA3AD;--accent:#E11D2A;--accent-2:#19C2C2;
  --glow:rgba(225,29,42,.35);--glow-teal:rgba(25,194,194,.25);
  --font-sans:'Helvetica Neue',Helvetica,Arial,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --fs-hero:clamp(2.4rem,6vw,4.6rem);--fs-h2:clamp(1.7rem,3.6vw,2.8rem);
  --fs-body:clamp(1rem,1.4vw,1.125rem);--fs-label:.78rem;
  --space-xs:.5rem;--space-sm:.875rem;--space-md:1.25rem;--space-lg:2rem;
  --space-xl:3rem;--space-2xl:4.5rem;--space-3xl:6rem;
  --section-padding:clamp(3.5rem,8vw,7rem);
  --radius:14px;--radius-lg:20px;
  --shadow:0 10px 30px -12px rgba(0,0,0,.7);--shadow-lg:0 30px 60px -20px rgba(0,0,0,.8);
  --ease:cubic-bezier(.22,1,.36,1);--dur-fast:150ms;--dur:260ms;--dur-slow:440ms;
  --container:1200px;--header-h:68px;
}

/* 3. BASE */
body{
  font-family:var(--font-sans);font-size:var(--fs-body);line-height:1.65;
  color:var(--text);background:var(--bg);
  background-image:linear-gradient(135deg,rgba(255,255,255,.02) 0%,transparent 40%),radial-gradient(1200px 600px at 80% -10%,rgba(255,255,255,.03),transparent 60%);
  -webkit-font-smoothing:antialiased;
}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}
h1,h2,h3{line-height:1.1;letter-spacing:-.02em;font-weight:800}
p{color:var(--text-muted)}
.accent{color:var(--accent)}
.skip-link{position:absolute;left:-999px;top:0;z-index:200;background:var(--accent);color:#fff;padding:.75rem 1.25rem;border-radius:0 0 var(--radius) 0}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:4px}

/* 4. LAYOUT */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(1.1rem,4vw,2rem);position:relative;z-index:2}
.container--narrow{max-width:820px}
.section{padding-block:var(--section-padding);position:relative}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.015),transparent);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section__title{font-size:var(--fs-h2);max-width:18ch;margin-bottom:var(--space-md)}
.section__lead{max-width:62ch;font-size:1.05rem;margin-bottom:var(--space-xl)}
.section__cta{margin-top:var(--space-xl)}
.eyebrow{font-size:var(--fs-label);letter-spacing:.28em;text-transform:uppercase;color:var(--text-muted);font-weight:700;margin-bottom:var(--space-sm)}
.grid{display:grid;gap:clamp(1rem,2vw,1.5rem)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--5{grid-template-columns:repeat(5,1fr)}
.glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:0}
.glow--hero{width:60vw;max-width:800px;height:600px;top:-15%;right:-10%;background:radial-gradient(circle,var(--glow),transparent 65%)}
.glow--final{width:80vw;max-width:900px;height:600px;left:50%;top:0;transform:translateX(-50%);background:radial-gradient(circle,var(--glow),transparent 60%)}

/* 5. COMPONENTS */
.btn{display:inline-flex;align-items:center;gap:.5rem;justify-content:center;font-weight:700;border-radius:999px;padding:.85rem 1.5rem;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);min-height:48px;position:relative;letter-spacing:.01em}
.btn--sm{padding:.6rem 1.1rem;min-height:40px;font-size:.9rem}
.btn--lg{padding:1rem 1.9rem;font-size:1.05rem}
.btn--block{width:100%}
.btn--primary{background:var(--accent);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 6px 20px -6px var(--glow)}
.btn--primary:hover{transform:scale(1.02);box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 12px 34px -6px var(--glow)}
.btn--primary:active{transform:scale(.98)}
.btn--ghost{border:1px solid var(--border);color:var(--text)}
.btn--ghost:hover{border-color:var(--text);transform:scale(1.02)}
.btn__arrow{transition:transform var(--dur) var(--ease)}
.btn:hover .btn__arrow{transform:translateX(4px)}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:clamp(1.25rem,2.4vw,1.75rem);box-shadow:var(--shadow);position:relative;transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);border-radius:var(--radius) var(--radius) 0 0}
.card:hover{transform:translateY(-4px);border-color:#3a414a;box-shadow:var(--shadow-lg),0 0 30px -10px var(--glow)}
.card--ceramic:hover{box-shadow:var(--shadow-lg),0 0 30px -10px var(--glow-teal)}
.card__title{font-size:1.12rem;margin-bottom:.4rem;color:var(--text)}
.card__body{font-size:.95rem}
.card__tag{display:inline-block;font-size:.62rem;letter-spacing:.18em;color:var(--text-muted);border:1px solid var(--border);border-radius:6px;padding:.25rem .5rem;margin-bottom:.7rem}
.card__tag--ceramic{color:var(--accent-2);border-color:rgba(25,194,194,.4)}
.card--trust{text-align:center;display:flex;align-items:center;justify-content:center;min-height:120px}
.card--trust .card__title{font-size:1rem}

/* Placeholders */
.ph{position:relative;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(135deg,var(--surface-2),var(--bg) 70%);overflow:hidden;display:flex;align-items:center;justify-content:center}
.ph::after{content:"";position:absolute;top:0;left:-40%;width:40%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.07),transparent);transform:skewX(-18deg)}
.ph__label{font-size:.72rem;letter-spacing:.2em;color:var(--text-muted);text-transform:uppercase}
.ph--logo{aspect-ratio:0;height:64px;margin-top:1rem}
.ph--pair{aspect-ratio:16/10;padding:0}
.ph__half{flex:1;position:relative;display:flex;align-items:center;justify-content:center;height:100%}
.ph__divider{width:2px;background:linear-gradient(180deg,transparent,rgba(255,255,255,.4),transparent)}
.ph__tag{position:absolute;top:.6rem;left:.6rem;font-size:.6rem;letter-spacing:.16em;background:rgba(0,0,0,.55);border:1px solid var(--border);padding:.2rem .45rem;border-radius:5px;color:var(--text)}
.ph__tag--after{color:var(--accent-2);border-color:rgba(25,194,194,.4)}
.ph__mini{display:inline-block;font-size:.62rem;letter-spacing:.16em;color:var(--text-muted);border:1px dashed var(--border);padding:.4rem .7rem;border-radius:6px;margin-top:.5rem}

/* Reveal slider */
.reveal-slider{position:relative;aspect-ratio:16/11;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-lg);user-select:none;touch-action:none}
.reveal-slider__base,.reveal-slider__top{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.reveal-slider__base{background:linear-gradient(135deg,#10302f,var(--bg) 70%)}
.reveal-slider__top{background:linear-gradient(135deg,var(--surface-2),var(--bg) 70%);width:50%;border-right:2px solid rgba(255,255,255,.5);overflow:hidden}
.reveal-slider__top .ph__label,.reveal-slider__base .ph__label{white-space:nowrap}
.reveal-slider__handle{position:absolute;top:0;bottom:0;left:50%;width:44px;transform:translateX(-50%);display:flex;align-items:center;justify-content:center}
.reveal-slider__handle span{width:44px;height:44px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,0,0,.4),0 0 20px var(--glow);display:flex;align-items:center;justify-content:center}
.reveal-slider__handle span::before{content:"‹ ›";color:#fff;font-size:.85rem;letter-spacing:-1px}

/* Steps */
.steps--track{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-lg);counter-reset:none;position:relative}
.steps--track::before{content:"";position:absolute;top:22px;left:12%;right:12%;height:1px;background:var(--border)}
.step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:var(--space-lg);position:relative}
.step__num{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:var(--bg);font-weight:800;margin-bottom:.75rem;color:var(--text)}
.step--active{border-color:var(--accent)}
.step--active .step__num{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 0 20px -4px var(--glow)}
.step__title{font-size:1.05rem;margin-bottom:.3rem;color:var(--text)}
.step__body{font-size:.95rem}
.steps--vertical{display:grid;gap:var(--space-sm);max-width:640px}
.steps--vertical .step{display:flex;align-items:center;gap:1rem;padding:var(--space-md) var(--space-lg)}
.steps--vertical .step__num{margin-bottom:0;width:38px;height:38px;flex:none}

/* Callout / compare */
.pricing__inner,.showcase__inner{display:grid;grid-template-columns:1.4fr 1fr;gap:var(--space-2xl);align-items:start}
.callout-box{background:var(--surface);border:1px solid var(--accent);border-radius:var(--radius);padding:var(--space-lg);box-shadow:0 0 40px -18px var(--glow)}
.callout-box p{color:var(--text);font-weight:600}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg)}
.compare__col{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:var(--space-lg)}
.compare__col--win{border-color:var(--accent);box-shadow:0 0 40px -20px var(--glow)}
.compare__head{font-size:1.15rem;margin-bottom:var(--space-md);color:var(--text)}
.compare__list li{padding:.5rem 0 .5rem 1.6rem;position:relative;color:var(--text-muted);border-top:1px solid var(--border)}
.compare__list li:first-child{border-top:none}
.compare__list--neg li::before{content:"×";position:absolute;left:0;color:var(--text-muted)}
.compare__list--pos li{color:var(--text)}
.compare__list--pos li::before{content:"✓";position:absolute;left:0;color:var(--accent)}

/* Browser wireframe */
.browser{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:var(--surface)}
.browser__bar{display:flex;align-items:center;gap:.5rem;padding:.7rem 1rem;border-bottom:1px solid var(--border);background:var(--bg)}
.browser__dot{width:10px;height:10px;border-radius:50%;background:var(--border)}
.browser__url{margin-left:.8rem;font-size:.72rem;color:var(--text-muted);letter-spacing:.05em}
.browser__body{padding:clamp(1rem,2.5vw,1.75rem);display:grid;gap:1rem}
.wire{border:1px dashed var(--border);border-radius:10px;min-height:90px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.3rem;background:linear-gradient(135deg,var(--surface-2),var(--bg) 80%);text-align:center;padding:.75rem}
.wire span{font-size:.66rem;letter-spacing:.12em;color:var(--text-muted)}
.wire small{font-size:.6rem;color:#5c646d;letter-spacing:.1em;text-transform:uppercase}
.wire--hero{min-height:130px}
.wire--ceramic{border-color:rgba(25,194,194,.4)}
.wire--ceramic span{color:var(--accent-2)}
.wire-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}

/* FAQ */
.faq__item{border-bottom:1px solid var(--border)}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:1rem;text-align:left;padding:1.25rem 0;font-weight:700;color:var(--text);font-size:1.02rem;min-height:48px}
.faq__icon{position:relative;width:18px;height:18px;flex:none}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--accent);transition:transform var(--dur) var(--ease)}
.faq__icon::before{top:8px;left:0;width:18px;height:2px}
.faq__icon::after{left:8px;top:0;width:2px;height:18px}
.faq__q[aria-expanded="true"] .faq__icon::after{transform:rotate(90deg);opacity:0}
.faq__a{overflow:hidden;height:0;transition:height var(--dur) var(--ease)}
.faq__a p{padding-bottom:1.25rem;max-width:64ch}

/* 6. SECTIONS */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--header-h);display:flex;align-items:center;transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),backdrop-filter var(--dur) var(--ease);border-bottom:1px solid transparent}
.site-header.is-scrolled{background:rgba(20,22,25,.8);backdrop-filter:blur(12px);border-bottom-color:var(--border)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.wordmark{font-weight:800;letter-spacing:.04em;font-size:1.02rem;color:var(--text)}
.wordmark__x{color:var(--accent)}
.nav-desktop{display:flex;gap:clamp(1rem,2vw,2rem)}
.nav-desktop a{color:var(--text-muted);font-size:.92rem;font-weight:600;transition:color var(--dur) var(--ease)}
.nav-desktop a:hover{color:var(--text)}
.header__actions{display:flex;align-items:center;gap:.75rem}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:10px;min-width:44px;min-height:44px;align-items:center;justify-content:center}
.nav-toggle__bar{width:22px;height:2px;background:var(--text);transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-nav{position:fixed;inset:0;z-index:150}
.mobile-nav__overlay{position:absolute;inset:0;background:rgba(0,0,0,.6);opacity:0;transition:opacity var(--dur) var(--ease)}
.mobile-nav__panel{position:absolute;top:0;right:0;height:100%;width:min(82vw,340px);background:var(--surface);border-left:1px solid var(--border);padding:5rem 1.75rem 2rem;display:flex;flex-direction:column;gap:.4rem;transform:translateX(100%);transition:transform var(--dur-slow) var(--ease)}
.mobile-nav__panel a{padding:.9rem 0;font-size:1.1rem;font-weight:700;color:var(--text);border-bottom:1px solid var(--border)}
.mobile-nav__panel .btn{margin-top:1rem;border-bottom:none}
.mobile-nav__close{position:absolute;top:1.1rem;right:1.25rem;font-size:2rem;line-height:1;color:var(--text-muted);min-width:44px;min-height:44px}
.mobile-nav.is-open .mobile-nav__overlay{opacity:1}
.mobile-nav.is-open .mobile-nav__panel{transform:translateX(0)}

.hero{padding-top:calc(var(--header-h) + clamp(2.5rem,7vw,5rem));padding-bottom:var(--section-padding);position:relative;overflow:hidden}
.hero__inner{display:grid;grid-template-columns:55% 45%;gap:var(--space-2xl);align-items:center}
.hero__title{font-size:var(--fs-hero);margin-block:var(--space-sm) var(--space-md)}
.hero__sub{font-size:1.15rem;max-width:46ch;margin-bottom:var(--space-lg)}
.hero__cta{display:flex;flex-wrap:wrap;gap:.9rem}
.hero__cta--center{justify-content:center}
.hero__trust{margin-top:var(--space-md);font-size:.85rem;letter-spacing:.04em;color:var(--text-muted)}
.hero__visual{display:flex;flex-direction:column}

.showcase__list{display:flex;gap:1rem;flex-wrap:wrap}
.final-cta{text-align:center;overflow:hidden}
.final-cta__title{font-size:var(--fs-h2);margin-inline:auto;max-width:20ch;margin-bottom:var(--space-md)}
.final-cta__sub{margin-bottom:var(--space-xl)}

.site-footer{border-top:1px solid var(--border);background:#070809;padding-block:var(--space-2xl) var(--space-lg)}
.footer__inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-xl)}
.footer__line,.footer__note{font-size:.88rem;margin-top:.6rem}
.footer__col h3{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.8rem}
.footer__col a{display:block;color:var(--text-muted);font-size:.92rem;padding:.25rem 0;transition:color var(--dur) var(--ease)}
.footer__col a:hover{color:var(--text)}
.footer__legal{margin-top:var(--space-xl);padding-top:var(--space-lg);border-top:1px solid var(--border)}
.footer__legal p{font-size:.82rem}

.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:90;padding:.75rem clamp(1rem,4vw,1.5rem);background:rgba(10,11,12,.92);backdrop-filter:blur(10px);border-top:1px solid var(--border);transform:translateY(120%);transition:transform var(--dur) var(--ease)}
.sticky-cta.is-visible{transform:translateY(0)}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(16px);transition:opacity var(--dur-slow) var(--ease),transform var(--dur-slow) var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* 7. RESPONSIVE */
@media(max-width:1024px){
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .grid--5{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  .hero__inner,.pricing__inner,.showcase__inner{grid-template-columns:1fr;gap:var(--space-xl)}
  .grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}
  .footer__inner{grid-template-columns:1fr 1fr}
  .wire-grid{grid-template-columns:repeat(2,1fr)}
  .steps--track{grid-template-columns:1fr}
  .steps--track::before{display:none}
  .compare{grid-template-columns:1fr}
}
@media(max-width:560px){
  .grid--3,.grid--4,.grid--5{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr;gap:var(--space-lg)}
  .wire-grid{grid-template-columns:1fr}
  .hero__cta .btn,.final-cta .btn{flex:1 1 100%}
  .header__actions .btn--sm{display:none}
}

/* 8. REDUCED MOTION */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .ph::after{display:none}
}

/* 9. MOBILE OVERFLOW HARDENING */
*{min-width:0}
img,svg,video{max-width:100%;height:auto}
.container,.header__inner,.hero__inner,.showcase__inner,.pricing__inner,.compare,.wire-grid,.steps--track,.steps--vertical,.footer__inner,.grid,.hero__cta{max-width:100%;min-width:0}
.card,.step,.compare__col,.callout-box,.browser,.ph,.reveal-slider,.footer__col,.wire{max-width:100%;min-width:0}
.card__body,.section__lead,.hero__sub,.step__body,.compare__list li,.footer__col a,.browser__url,.faq__q span,.final-cta__sub{overflow-wrap:anywhere;word-break:break-word}
@media(max-width:768px){
  html,body{overflow-x:hidden}
  .hero__cta,.section__cta{flex-wrap:wrap}
  .hero__cta .btn,.final-cta .btn{flex:1 1 100%}
}
@media(max-width:560px){
  .grid,.grid--3,.grid--4,.grid--5,.wire-grid{grid-template-columns:1fr}
  .hero__cta .btn,.section__cta .btn,.final-cta .btn{flex:1 1 100%;width:100%}
  .glow--hero,.glow--final{width:100%;max-width:100%;left:0;right:auto;transform:none}
}