/* ============ TOKENS ============ */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --radius-sm: .5rem; --radius-md: .75rem; --radius-lg: 1rem; --radius-xl: 1.5rem; --radius-full: 9999px;

  --content-narrow: 720px; --content-wide: 1180px;

  --font-body: 'General Sans', -apple-system, sans-serif;
  --font-display: 'Clash Display', 'General Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* dark tech palette */
  --color-bg: #070a10;
  --color-surface: #0d1219;
  --color-surface-2: #121924;
  --color-border: #1e2836;
  --color-border-bright: #2a3646;

  --color-text: #e6ecf3;
  --color-text-muted: #93a1b3;
  --color-text-faint: #5c6b7e;

  --color-primary: #22e0d0;      /* electric cyan */
  --color-primary-2: #12b3c9;
  --color-accent: #7b5cff;       /* violet */

  --transition: 200ms cubic-bezier(.16,1,.3,1);
  --glow: 0 0 40px -8px var(--color-primary);
}

/* ============ BASE ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;scroll-behavior:smooth;scroll-padding-top:5rem}
body{min-height:100dvh;line-height:1.65;font-family:var(--font-body);font-size:var(--text-base);color:var(--color-text);background:var(--color-bg);overflow-x:hidden}
img,svg{display:block;max-width:100%;height:auto}
ul[role=list]{list-style:none}
a{color:inherit;text-decoration:none}
button{cursor:pointer;background:none;border:none;font:inherit;color:inherit}
input,textarea{font:inherit;color:inherit}
h1,h2,h3{line-height:1.1;text-wrap:balance;font-family:var(--font-display);font-weight:600;letter-spacing:-.01em}
p{text-wrap:pretty}
::selection{background:color-mix(in oklab,var(--color-primary) 30%,transparent);color:#fff}
:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;border-radius:var(--radius-sm)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

.container{width:100%;max-width:var(--content-wide);margin-inline:auto;padding-inline:var(--space-6)}
.container--narrow{max-width:var(--content-narrow)}

/* ============ AMBIENT BG ============ */
.bg-grid{position:fixed;inset:0;z-index:-2;
  background-image:linear-gradient(var(--color-border) 1px,transparent 1px),linear-gradient(90deg,var(--color-border) 1px,transparent 1px);
  background-size:64px 64px;opacity:.25;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 0%,transparent 75%)}
.bg-glow{position:fixed;z-index:-1;border-radius:50%;filter:blur(120px);opacity:.35;pointer-events:none}
.bg-glow--1{top:-10%;left:-5%;width:45vw;height:45vw;background:radial-gradient(circle,var(--color-primary),transparent 65%);opacity:.22}
.bg-glow--2{top:20%;right:-10%;width:40vw;height:40vw;background:radial-gradient(circle,var(--color-accent),transparent 65%);opacity:.2}

/* ============ HEADER ============ */
.header{position:sticky;top:0;z-index:50;
  background:color-mix(in oklab,var(--color-bg) 78%,transparent);
  backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color var(--transition),background var(--transition)}
.header.is-scrolled{border-bottom-color:var(--color-border)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-6);height:4.5rem}
.logo{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--font-display);font-weight:600;font-size:1.15rem;color:var(--color-text)}
.logo__mark{color:var(--color-primary);flex-shrink:0;filter:drop-shadow(0 0 8px color-mix(in oklab,var(--color-primary) 60%,transparent))}
.nav{display:flex;gap:var(--space-6);font-size:var(--text-sm);color:var(--color-text-muted)}
.nav a{position:relative;transition:color var(--transition)}
.nav a:hover{color:var(--color-text)}
.nav a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--color-primary);transition:width var(--transition)}
.nav a:hover::after{width:100%}
.header__actions{display:flex;align-items:center;gap:var(--space-4)}
.lang-switch{display:inline-flex;border:1px solid var(--color-border);border-radius:var(--radius-full);padding:2px;background:var(--color-surface)}
.lang-switch__btn{font-size:var(--text-xs);font-weight:600;padding:.3rem .7rem;border-radius:var(--radius-full);color:var(--color-text-muted);transition:all var(--transition)}
.lang-switch__btn.is-active{background:var(--color-primary);color:#04121a}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:600;font-size:var(--text-sm);
  padding:.85rem 1.5rem;border-radius:var(--radius-full);transition:all var(--transition);white-space:nowrap;border:1px solid transparent}
.btn--sm{padding:.55rem 1.1rem}
.btn--full{width:100%;padding:1rem}
.btn--primary{background:linear-gradient(120deg,var(--color-primary),var(--color-primary-2));color:#04121a;box-shadow:0 6px 24px -8px color-mix(in oklab,var(--color-primary) 70%,transparent)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 12px 32px -8px color-mix(in oklab,var(--color-primary) 80%,transparent)}
.btn--ghost{border-color:var(--color-border-bright);color:var(--color-text);background:color-mix(in oklab,var(--color-surface) 60%,transparent)}
.btn--ghost:hover{border-color:var(--color-primary);color:var(--color-primary)}

/* ============ SHARED ============ */
.eyebrow{display:inline-block;font-family:var(--font-mono);font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.18em;
  color:var(--color-primary);padding:.35rem .8rem;border:1px solid color-mix(in oklab,var(--color-primary) 30%,transparent);
  border-radius:var(--radius-full);background:color-mix(in oklab,var(--color-primary) 8%,transparent);margin-bottom:var(--space-5)}
.grad-text{background:linear-gradient(100deg,var(--color-primary),var(--color-accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.section{padding-block:clamp(var(--space-16),9vw,var(--space-32))}
.section--alt{background:linear-gradient(180deg,transparent,color-mix(in oklab,var(--color-surface) 55%,transparent),transparent)}
.section__head{max-width:760px;margin-bottom:var(--space-12)}
.section__title{font-size:var(--text-2xl)}
.section__lead{margin-top:var(--space-4);color:var(--color-text-muted);font-size:var(--text-lg)}

.grid{display:grid;gap:var(--space-6)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-8);transition:all var(--transition)}
.card:hover{border-color:var(--color-border-bright);transform:translateY(-3px)}
.card--feature:hover{border-color:color-mix(in oklab,var(--color-primary) 45%,transparent);box-shadow:0 0 0 1px color-mix(in oklab,var(--color-primary) 20%,transparent),0 20px 40px -24px color-mix(in oklab,var(--color-primary) 60%,transparent)}
.card__icon{font-size:1.75rem;width:3rem;height:3rem;display:grid;place-items:center;border-radius:var(--radius-md);
  background:color-mix(in oklab,var(--color-primary) 10%,transparent);border:1px solid var(--color-border);margin-bottom:var(--space-5)}
.card h3{font-size:var(--text-lg);margin-bottom:var(--space-3)}
.card p{color:var(--color-text-muted);font-size:var(--text-base)}

/* ============ HERO ============ */
.hero{padding-top:clamp(var(--space-16),8vw,var(--space-24));padding-bottom:var(--space-16);text-align:center}
.hero__inner{display:flex;flex-direction:column;align-items:center;max-width:900px;margin-inline:auto}
.hero__title{font-size:var(--text-3xl);display:flex;flex-direction:column;gap:.15em;margin-bottom:var(--space-6)}
.hero__sub{color:var(--color-text-muted);font-size:var(--text-lg);max-width:640px;margin-bottom:var(--space-8)}
.hero__cta{display:flex;gap:var(--space-4);flex-wrap:wrap;justify-content:center;margin-bottom:var(--space-12)}
.hero__stats{display:flex;gap:var(--space-8);flex-wrap:wrap;justify-content:center}
.hero__stats li{display:flex;flex-direction:column;align-items:center}
.hero__stats strong{font-family:var(--font-display);font-size:var(--text-xl);color:var(--color-text)}
.hero__stats span{font-size:var(--text-sm);color:var(--color-text-faint);max-width:14ch}

/* live call card */
.call-card{max-width:560px;margin:var(--space-16) auto 0;background:var(--color-surface);border:1px solid var(--color-border-bright);
  border-radius:var(--radius-xl);padding:var(--space-6);text-align:left;box-shadow:0 30px 80px -40px color-mix(in oklab,var(--color-primary) 50%,transparent)}
.call-card__top{display:flex;align-items:center;gap:.6rem;font-size:var(--text-sm);color:var(--color-text-muted);margin-bottom:var(--space-5)}
.call-card__dot{width:9px;height:9px;border-radius:50%;background:var(--color-primary);box-shadow:0 0 0 0 var(--color-primary);animation:pulse 1.8s infinite}
.call-card__time{margin-left:auto;font-family:var(--font-mono);color:var(--color-text-faint)}
@keyframes pulse{0%{box-shadow:0 0 0 0 color-mix(in oklab,var(--color-primary) 60%,transparent)}70%{box-shadow:0 0 0 10px transparent}100%{box-shadow:0 0 0 0 transparent}}
.waveform{display:flex;align-items:center;gap:3px;height:44px;margin-bottom:var(--space-6)}
.waveform span{flex:1;background:linear-gradient(180deg,var(--color-primary),var(--color-accent));border-radius:var(--radius-full);height:20%;animation:wave 1.1s ease-in-out infinite}
.waveform span:nth-child(odd){animation-duration:.9s}
.waveform span:nth-child(3n){animation-duration:1.4s}
.waveform span:nth-child(2n){animation-delay:.2s}
.waveform span:nth-child(3n+1){animation-delay:.4s}
@keyframes wave{0%,100%{height:15%}50%{height:95%}}
.call-card__transcript{display:flex;flex-direction:column;gap:var(--space-3)}
.bubble{font-size:var(--text-sm);padding:.7rem 1rem;border-radius:var(--radius-md);max-width:88%}
.bubble b{display:block;font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.2rem;opacity:.7;font-family:var(--font-mono)}
.bubble--agent{background:color-mix(in oklab,var(--color-primary) 12%,var(--color-surface-2));border:1px solid color-mix(in oklab,var(--color-primary) 25%,transparent);align-self:flex-start}
.bubble--agent b{color:var(--color-primary)}
.bubble--client{background:var(--color-surface-2);border:1px solid var(--color-border);align-self:flex-end;text-align:right}

/* ============ STRIP ============ */
.strip{padding-block:var(--space-12);border-block:1px solid var(--color-border)}
.strip__label{text-align:center;font-size:var(--text-xs);text-transform:uppercase;letter-spacing:.18em;color:var(--color-text-faint);margin-bottom:var(--space-5);font-family:var(--font-mono)}
.strip__items{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-4) var(--space-8)}
.strip__items span{font-family:var(--font-display);font-weight:500;font-size:var(--text-lg);color:var(--color-text-muted);opacity:.8;transition:opacity var(--transition)}
.strip__items span:hover{opacity:1;color:var(--color-primary)}

/* ============ NUMBERS BAND ============ */
.numbers{padding-block:clamp(var(--space-16),8vw,var(--space-24));border-bottom:1px solid var(--color-border);
  background:radial-gradient(ellipse 90% 100% at 50% 0%,color-mix(in oklab,var(--color-primary) 7%,transparent),transparent 70%)}
.numbers__head{max-width:820px;margin-inline:auto;text-align:center;margin-bottom:var(--space-12)}
.numbers__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--color-border);border:1px solid var(--color-border);border-radius:var(--radius-xl);overflow:hidden}
.num-item{background:var(--color-surface);padding:var(--space-10) var(--space-6);text-align:center;transition:background var(--transition)}
.num-item:hover{background:var(--color-surface-2)}
.num-item strong{display:block;font-family:var(--font-display);font-weight:700;font-size:clamp(2.25rem,1.5rem+3vw,3.75rem);line-height:1;letter-spacing:-.02em;
  background:linear-gradient(120deg,var(--color-primary),var(--color-accent));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:var(--space-3);font-variant-numeric:tabular-nums}
.num-item span{color:var(--color-text-muted);font-size:var(--text-sm);max-width:22ch;margin-inline:auto;display:block}
.numbers__note{text-align:center;color:var(--color-text-faint);font-size:var(--text-xs);margin-top:var(--space-6)}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-6);counter-reset:s}
.step{position:relative;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);transition:all var(--transition)}
.step:hover{border-color:var(--color-border-bright);transform:translateY(-3px)}
.step__num{font-family:var(--font-mono);font-size:var(--text-xl);color:var(--color-primary);opacity:.6;display:block;margin-bottom:var(--space-4)}
.step h3{font-size:var(--text-lg);margin-bottom:var(--space-2)}
.step p{color:var(--color-text-muted);font-size:var(--text-sm)}

/* ============ METRICS ============ */
.metrics{margin-bottom:var(--space-16)}
.metric{text-align:center;padding:var(--space-8) var(--space-4);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg)}
.metric strong{display:block;font-family:var(--font-display);font-size:var(--text-2xl);
  background:linear-gradient(120deg,var(--color-primary),var(--color-accent));-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:var(--space-2)}
.metric span{color:var(--color-text-muted);font-size:var(--text-sm)}
.quote{max-width:760px;margin-inline:auto;text-align:center;padding:var(--space-8);border-left:3px solid var(--color-primary);background:var(--color-surface);border-radius:var(--radius-lg)}
.quote p{font-family:var(--font-display);font-size:var(--text-lg);font-weight:500}
.quote footer{margin-top:var(--space-4);color:var(--color-text-faint);font-size:var(--text-sm)}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:var(--space-3)}
.faq__item{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:border-color var(--transition)}
.faq__item[open]{border-color:color-mix(in oklab,var(--color-primary) 40%,transparent)}
.faq__item summary{list-style:none;cursor:pointer;padding:var(--space-5) var(--space-6);font-weight:600;font-family:var(--font-display);
  display:flex;justify-content:space-between;align-items:center;gap:var(--space-4);font-size:var(--text-base)}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";font-size:1.4rem;color:var(--color-primary);transition:transform var(--transition);flex-shrink:0}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__item p{padding:0 var(--space-6) var(--space-5);color:var(--color-text-muted);font-size:var(--text-base)}

/* ============ LEAD ============ */
.lead__card{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-12);align-items:start;
  background:var(--color-surface);border:1px solid var(--color-border-bright);border-radius:var(--radius-xl);padding:clamp(var(--space-8),5vw,var(--space-16));
  box-shadow:0 40px 100px -50px color-mix(in oklab,var(--color-accent) 60%,transparent);position:relative;overflow:hidden}
.lead__card::before{content:"";position:absolute;top:-40%;right:-20%;width:50%;height:120%;background:radial-gradient(circle,color-mix(in oklab,var(--color-primary) 18%,transparent),transparent 70%);pointer-events:none}
.lead__intro .section__title{font-size:var(--text-xl)}
.lead__intro p{color:var(--color-text-muted);margin-top:var(--space-4)}
.lead__points{margin-top:var(--space-6);display:flex;flex-direction:column;gap:var(--space-3);font-size:var(--text-sm);color:var(--color-text-muted)}
.lead__points li{display:flex;gap:.6rem;align-items:flex-start}
.lead__points li::before{content:"✓";color:var(--color-primary);font-weight:700;flex-shrink:0}
.lead__form{display:flex;flex-direction:column;gap:var(--space-4);position:relative;z-index:1}
.field{display:flex;flex-direction:column;gap:.4rem}
.field label{font-size:var(--text-sm);color:var(--color-text-muted);font-weight:500}
.field input,.field textarea{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:.8rem 1rem;transition:border-color var(--transition),box-shadow var(--transition);resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px color-mix(in oklab,var(--color-primary) 18%,transparent)}
.field input:invalid:not(:placeholder-shown){border-color:var(--color-accent)}
.form__note{font-size:var(--text-xs);color:var(--color-text-faint)}
.form__success{font-size:var(--text-sm);color:var(--color-primary);background:color-mix(in oklab,var(--color-primary) 10%,transparent);border:1px solid color-mix(in oklab,var(--color-primary) 30%,transparent);padding:.8rem 1rem;border-radius:var(--radius-md)}
.form__error{font-size:var(--text-sm);color:#ff8a8a;background:color-mix(in oklab,#ff5c5c 10%,transparent);border:1px solid color-mix(in oklab,#ff5c5c 30%,transparent);padding:.8rem 1rem;border-radius:var(--radius-md)}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}

/* ============ FOOTER ============ */
.footer{border-top:1px solid var(--color-border);padding-top:var(--space-16);margin-top:var(--space-16)}
.footer__inner{display:flex;justify-content:space-between;gap:var(--space-12);flex-wrap:wrap;padding-bottom:var(--space-12)}
.footer__brand{max-width:340px}
.footer__brand p{color:var(--color-text-muted);font-size:var(--text-sm);margin-top:var(--space-4)}
.footer__col{display:flex;flex-direction:column;gap:var(--space-3);font-size:var(--text-sm);color:var(--color-text-muted)}
.footer__col a:hover{color:var(--color-primary)}
.footer__bottom{display:flex;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap;padding-block:var(--space-6);border-top:1px solid var(--color-border);color:var(--color-text-faint);font-size:var(--text-xs)}

/* ============ REVEAL ANIM ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.is-in{opacity:1;transform:none}

/* ============ RESPONSIVE ============ */
@media (max-width:960px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}
  .numbers__grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .lead__card{grid-template-columns:1fr;gap:var(--space-8)}
  .nav{display:none}
}
@media (max-width:600px){
  .grid--3,.grid--4,.steps{grid-template-columns:1fr}
  .numbers__grid{grid-template-columns:1fr 1fr}
  .hero__stats{gap:var(--space-6)}
  .header__actions .btn{display:none}
  .footer__inner{gap:var(--space-8)}
  .bubble{max-width:95%}
}