/* ===== RESET & BASE ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:#0d0d0d;background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}

/* ===== UTILITIES ===== */
.container{max-width:1140px;margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section--dark{background:#0a0a0a;color:#f5f5f5}
.section--light{background:#f8f8f8}
.tag{display:inline-block;font-size:.75rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:6px 14px;border-radius:100px;margin-bottom:20px}
.tag--purple{background:rgba(13,85,255,.08);color:#0D55FF}
.tag--white{background:rgba(255,255,255,.1);color:rgba(255,255,255,.7)}
.tag--dark{background:rgba(0,0,0,.06);color:#555}

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4,h5{font-weight:700;line-height:1.15;letter-spacing:-.02em}
h1{font-size:clamp(2.5rem,5.5vw,4.2rem)}
h2{font-size:clamp(2rem,4vw,3rem)}
h3{font-size:clamp(1.3rem,2.5vw,1.6rem)}
.text-muted{color:#666}
.text-muted-light{color:rgba(255,255,255,.6)}
.text-center{text-align:center}
.text-balance{text-wrap:balance}
.highlight{color:#0D55FF}
.section--dark .highlight{color:#5B93FF}
.section__sub{font-size:1.05rem;color:#666;margin-top:12px;max-width:540px;margin-left:auto;margin-right:auto;line-height:1.7}
.section--dark .section__sub{color:rgba(255,255,255,.5)}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:8px;font-size:.95rem;font-weight:600;padding:14px 32px;border-radius:10px;border:none;cursor:pointer;transition:all .25s ease}
.btn--primary{background:#0D55FF;color:#fff}
.btn--primary:hover{background:#0a47d6;transform:translateY(-1px);box-shadow:0 8px 30px rgba(13,85,255,.25)}
.btn--outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.25)}
.btn--outline:hover{border-color:#5B93FF;color:#5B93FF}
.btn--outline-dark{background:transparent;color:#0d0d0d;border:1.5px solid #ddd}
.btn--outline-dark:hover{border-color:#0D55FF;color:#0D55FF}
.btn--sm{font-size:.85rem;padding:10px 22px;border-radius:8px}
.btn svg{width:18px;height:18px}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;width:100%;z-index:100;padding:16px 0;transition:all .3s}
.nav--scrolled{background:rgba(255,255,255,.95);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(0,0,0,.06);padding:10px 0}
.nav__inner{display:flex;align-items:center;justify-content:space-between}
.nav__logo{font-size:1.5rem;font-weight:800;letter-spacing:-.03em;color:#0d0d0d}
.nav__logo span{color:#0D55FF}
.nav__links{display:flex;gap:32px}
.nav__links a{font-size:.88rem;font-weight:500;color:#555;transition:color .2s}
.nav__links a:hover{color:#0D55FF}
.nav__cta{display:inline-flex}
.nav__hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.nav__hamburger span{width:22px;height:2px;background:#0d0d0d;border-radius:2px;transition:all .3s}

/* ===== HERO ===== */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:100px;background:#fff}
.hero__center{text-align:center;max-width:740px;margin:0 auto}
.hero__sub{font-size:1.2rem;font-weight:600;color:#555;margin-top:16px}
.hero__body{font-size:1.05rem;color:#666;line-height:1.7;margin-top:12px;max-width:580px;margin-left:auto;margin-right:auto}
.hero__actions{display:flex;gap:16px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.hero__proof{display:flex;justify-content:center;gap:48px;margin-top:56px;padding-top:40px;border-top:1px solid #eee}
.hero__proof-item{text-align:center}
.hero__proof-item strong{display:block;font-size:1.8rem;font-weight:800;color:#0d0d0d}
.hero__proof-item span{font-size:.8rem;color:#888;text-transform:uppercase;letter-spacing:.06em}

/* ===== TRUSTED ===== */
.trusted{padding:60px 0}
.trusted__label{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:#999;margin-bottom:32px}
.trusted__logos{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin-bottom:32px}
.trusted__logo-item{font-size:.95rem;font-weight:700;color:#ccc;padding:12px 0;letter-spacing:-.01em}
.trusted__sub{font-size:.9rem;color:#888;max-width:540px;margin:0 auto;line-height:1.7}

/* ===== PILLARS ===== */
.pillars__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:56px}
.pillar__card{background:#fff;border:1px solid #eee;border-radius:14px;padding:36px 28px;transition:transform .3s,box-shadow .3s}
.pillar__card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.06)}
.pillar__icon{width:52px;height:52px;border-radius:12px;background:rgba(13,85,255,.06);color:#0D55FF;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.pillar__card h3{margin-bottom:12px}
.pillar__card p{font-size:.92rem;color:#666;line-height:1.7}

/* ===== SERVICES ===== */
.services__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.service__card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:32px 26px;transition:all .3s}
.service__card:hover{border-color:rgba(13,85,255,.3);transform:translateY(-3px)}
.service__icon{width:44px;height:44px;border-radius:10px;background:rgba(91,147,255,.12);color:#5B93FF;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.service__card h3{color:#f5f5f5;margin-bottom:10px;font-size:1.15rem}
.service__card p{font-size:.88rem;color:rgba(255,255,255,.5);line-height:1.7;margin-bottom:16px}
.service__list{display:flex;flex-direction:column;gap:8px}
.service__list li{font-size:.82rem;color:rgba(255,255,255,.4);padding-left:18px;position:relative}
.service__list li::before{content:'';position:absolute;left:0;top:7px;width:6px;height:6px;border-radius:50%;background:#5B93FF}

/* ===== AI SOLUTIONS ===== */
.ai__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:56px}
.ai__card{background:#f8f8f8;border-radius:14px;padding:36px 28px;transition:transform .3s,box-shadow .3s}
.ai__card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.06)}
.ai__card-num{font-size:2.5rem;font-weight:800;color:rgba(13,85,255,.12);margin-bottom:12px;line-height:1}
.ai__card h3{margin-bottom:12px}
.ai__card p{font-size:.92rem;color:#666;line-height:1.7}

/* ===== CASES ===== */
.case__card-logo{max-height:40px;width:auto;object-fit:contain;margin-bottom:14px;display:block}
.cases__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.case__card{background:#fff;border:1px solid #eee;border-radius:14px;padding:32px 26px;transition:transform .3s,box-shadow .3s}
.case__card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.06)}
.case__tag{font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#0D55FF;margin-bottom:14px}
.case__card h3{font-size:1.15rem;margin-bottom:10px}
.case__card>p{font-size:.88rem;color:#666;line-height:1.7;margin-bottom:24px}
.case__stats{display:flex;gap:28px;padding-top:20px;border-top:1px solid #f0f0f0}
.case__stat strong{display:block;font-size:1.5rem;font-weight:800;color:#0D55FF}
.case__stat span{font-size:.75rem;color:#888;text-transform:uppercase;letter-spacing:.04em}

/* ===== COMPARISON TABLE ===== */
.table__wrap{overflow-x:auto;margin-top:48px}
.compare__table{width:100%;border-collapse:collapse;min-width:640px}
.compare__table th{font-size:.82rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#888;text-align:center;padding:16px 20px;border-bottom:2px solid #eee}
.compare__table th:first-child{text-align:left}
.compare__table td{padding:16px 20px;text-align:center;font-size:.9rem;color:#555;border-bottom:1px solid #f0f0f0}
.compare__label{font-weight:600;color:#0d0d0d;text-align:left!important}
.compare__bar{display:inline-block;width:48px;height:6px;border-radius:6px;margin-right:8px;vertical-align:middle}
.compare__bar--med{background:#fbbf24}
.compare__bar--high{background:#0D55FF}
.compare__bar--very-high{background:#10b981}
.compare__dot{display:inline-block;width:10px;height:10px;border-radius:50%}
.compare__dot--partial{background:#fbbf24}
.compare__dot--full{background:#10b981}

/* ===== HOW / STEPS ===== */
.steps{display:flex;align-items:flex-start;gap:0;margin-top:56px;position:relative}
.step__card{flex:1;text-align:center;padding:0 24px}
.step__num{font-size:3rem;font-weight:800;color:rgba(91,147,255,.2);line-height:1;margin-bottom:16px}
.step__card h3{color:#f5f5f5;margin-bottom:10px}
.step__card p{font-size:.88rem;color:rgba(255,255,255,.5);line-height:1.7}
.step__line{width:2px;height:80px;background:rgba(255,255,255,.08);flex-shrink:0;margin-top:24px;border-radius:2px}

/* ===== CTAs ===== */
.cta-mid{background:#f8f8f8}
.cta-mid h2{margin-bottom:8px}
.cta-mid .section__sub{margin-bottom:32px}
.cta-mid__actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

.cta-bottom .section__sub{margin-bottom:36px}
.cta-bottom__actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===== FOOTER ===== */
.footer{background:#0a0a0a;color:#f5f5f5;padding:64px 0 32px}
.footer__inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer__brand .nav__logo{color:#f5f5f5}
.footer__brand p{color:rgba(255,255,255,.4);font-size:.9rem;margin-top:12px;max-width:280px;line-height:1.7}
.footer__col h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:rgba(255,255,255,.3);margin-bottom:20px}
.footer__col a{display:block;font-size:.9rem;color:rgba(255,255,255,.6);margin-bottom:12px;transition:color .2s}
.footer__col a:hover{color:#5B93FF}
.footer__bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;align-items:center}
.footer__bottom p{font-size:.8rem;color:rgba(255,255,255,.3)}
.footer__bottom a{font-size:.8rem;color:rgba(255,255,255,.4);margin-left:24px}
.footer__bottom a:hover{color:#5B93FF}

/* ===== ANIMATIONS ===== */
.fade-up{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}
.service__card:nth-child(2) .fade-up{transition-delay:.1s}
.service__card:nth-child(3) .fade-up{transition-delay:.2s}

/* Stagger children */
.pillar__card.fade-up:nth-child(2){transition-delay:.12s}
.pillar__card.fade-up:nth-child(3){transition-delay:.24s}
.service__card.fade-up:nth-child(2){transition-delay:.08s}
.service__card.fade-up:nth-child(3){transition-delay:.16s}
.service__card.fade-up:nth-child(4){transition-delay:.24s}
.service__card.fade-up:nth-child(5){transition-delay:.32s}
.service__card.fade-up:nth-child(6){transition-delay:.4s}
.ai__card.fade-up:nth-child(2){transition-delay:.12s}
.ai__card.fade-up:nth-child(3){transition-delay:.24s}
.case__card.fade-up:nth-child(2){transition-delay:.12s}
.case__card.fade-up:nth-child(3){transition-delay:.24s}
.step__card.fade-up:nth-child(1){transition-delay:0s}
.step__card.fade-up:nth-child(3){transition-delay:.15s}
.step__card.fade-up:nth-child(5){transition-delay:.3s}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .pillars__grid,.services__grid,.ai__grid,.cases__grid{grid-template-columns:repeat(2,1fr)}
  .footer__inner{grid-template-columns:1fr 1fr}
  .steps{flex-direction:column;align-items:center;gap:0}
  .step__line{width:60px;height:2px;margin:16px 0}
}
@media(max-width:768px){
  .section{padding:72px 0}
  .nav__links,.nav__cta{display:none}
  .nav__hamburger{display:flex}
  .nav__links.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;width:100%;background:#fff;padding:24px;gap:16px;box-shadow:0 8px 30px rgba(0,0,0,.08)}
  .hero{min-height:auto;padding:140px 0 80px}
  .hero__actions{flex-direction:column;align-items:center}
  .hero__proof{flex-direction:column;gap:24px}
  .pillars__grid,.services__grid,.ai__grid,.cases__grid{grid-template-columns:1fr}
  .steps{flex-direction:column;gap:0}
  .step__line{width:60px;height:2px;margin:16px 0}
  .footer__inner{grid-template-columns:1fr}
  .footer__bottom{flex-direction:column;gap:16px;text-align:center}
  .cta-mid__actions,.cta-bottom__actions{flex-direction:column;align-items:center}
  .compare__table{min-width:500px}
}
