/* ============================================================
   DistillAI Wellness — design system
   Palette: clean water / teal. Fast, system fonts, mobile-first.
   ============================================================ */
:root{
  --primary:#0b7285;        /* teal */
  --primary-dark:#075063;
  --primary-light:#e6f4f7;
  --accent:#0ca678;         /* fresh green */
  --whatsapp:#25D366;
  --ink:#13313a;
  --muted:#5b7480;
  --bg:#f4fafb;
  --card:#ffffff;
  --border:#e0ecef;
  --warn:#fff7e6;
  --shadow:0 6px 24px rgba(13,49,58,.08);
  --shadow-lg:0 14px 40px rgba(13,49,58,.14);
  --radius:14px;
  --maxw:1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.6;-webkit-font-smoothing:antialiased;font-size:17px;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;color:var(--ink);margin:0 0 .5em}
h1{font-size:clamp(1.9rem,4.5vw,3rem);font-weight:800;letter-spacing:-.5px}
h2{font-size:clamp(1.5rem,3.2vw,2.1rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--tight{padding:40px 0}
.center{text-align:center}
.lead{font-size:1.15rem;color:var(--muted)}
.eyebrow{text-transform:uppercase;letter-spacing:1.5px;font-size:.8rem;font-weight:700;color:var(--primary);margin-bottom:.5rem}
.muted{color:var(--muted)}
.small{font-size:.85rem}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:1rem;
  padding:14px 24px;border-radius:999px;border:2px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn--primary{background:var(--primary);color:#fff;box-shadow:var(--shadow)}
.btn--primary:hover{background:var(--primary-dark);color:#fff}
.btn--ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn--ghost:hover{background:var(--primary-light)}
.btn--wa{background:var(--whatsapp);color:#fff}
.btn--wa:hover{background:#1da851;color:#fff}
.btn--lg{padding:16px 30px;font-size:1.08rem}
.btn--block{display:flex;width:100%;justify-content:center}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .dot{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--accent))}
.nav-links{display:flex;align-items:center;gap:22px;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink);font-weight:600;font-size:.97rem}
.nav-links a:hover{color:var(--primary);text-decoration:none}
.nav-cta{display:flex;align-items:center;gap:10px}
.hamburger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.hamburger span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.2s}

/* hero */
.hero{background:linear-gradient(160deg,#e6f4f7 0%,#f4fafb 60%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:70px 0}
.hero h1 span{color:var(--primary)}
.hero .ticks{list-style:none;padding:0;margin:18px 0 26px;display:flex;flex-wrap:wrap;gap:8px 22px}
.hero .ticks li{font-weight:600;color:var(--ink)}
.hero .ticks li::before{content:"✓";color:var(--accent);font-weight:800;margin-right:8px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-art{background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:24px;
  aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:var(--shadow-lg);padding:24px;text-align:center}
.hero-art .glass{font-size:4.4rem;line-height:1}
.reassure{font-size:.9rem;color:var(--muted);margin-top:10px}

/* trust bar */
.trustbar{background:var(--primary-dark);color:#dff3f7}
.trustbar .row{display:flex;flex-wrap:wrap;gap:10px 36px;justify-content:center;padding:16px 0;font-weight:600;font-size:.95rem}
.trustbar strong{color:#fff}

/* generic grids/cards */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow)}
.card .ico{font-size:2rem;margin-bottom:10px}
.card h3{margin-bottom:.4rem}
.card p{margin:0;color:var(--muted);font-size:.98rem}

/* steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;padding-top:14px}
.step .n{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:12px}
.step h3{font-size:1.05rem}
.step p{color:var(--muted);font-size:.95rem;margin:0}

/* honesty / highlight band */
.band{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-radius:20px;padding:40px;box-shadow:var(--shadow-lg)}
.band h2{color:#fff}
.band p{color:#eafaf6;margin-bottom:0}
.band a{color:#fff;text-decoration:underline}

/* pricing */
.price-card{text-align:center}
.price-card .price{font-size:1.6rem;font-weight:800;color:var(--primary)}
.price-card .emi{color:var(--muted);font-size:.95rem}
.badge{display:inline-block;background:var(--accent);color:#fff;font-size:.75rem;font-weight:700;
  padding:4px 12px;border-radius:999px;margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}

/* testimonials */
.quote{background:var(--card);border-left:4px solid var(--accent);border-radius:12px;padding:22px;box-shadow:var(--shadow)}
.quote p{font-style:italic;color:var(--ink)}
.quote .who{font-weight:700;font-style:normal;color:var(--muted);font-size:.9rem;margin:0}
.stars{color:#f59f00;letter-spacing:2px}

/* lead magnet */
.leadband{background:var(--primary-light);border:1px dashed var(--primary);border-radius:20px;padding:34px}
.lead-form{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.lead-form input{flex:1 1 220px;padding:14px 16px;border:1px solid var(--border);border-radius:999px;font-size:1rem}
form .field{margin-bottom:14px}
form label{display:block;font-weight:600;margin-bottom:6px;font-size:.95rem}
form input,form select,form textarea{width:100%;padding:13px 15px;border:1px solid var(--border);border-radius:12px;font-size:1rem;font-family:inherit}

/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;padding:4px 20px;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--primary)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);padding-bottom:16px;margin:0}

/* disclaimer / notes */
.note{background:var(--warn);border:1px solid #ffe3a3;border-radius:12px;padding:16px 20px;font-size:.92rem}
.disclaimer{font-size:.82rem;color:var(--muted);border-top:1px solid var(--border);padding-top:18px;margin-top:30px}

/* footer */
.site-footer{background:#0c2930;color:#bcd6dc;padding:54px 0 28px;font-size:.95rem}
.site-footer a{color:#bcd6dc}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.foot-grid ul{list-style:none;padding:0;margin:0;line-height:2}
.foot-bottom{border-top:1px solid #1d4651;margin-top:34px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem;color:#8fb4bc}

/* floating buttons */
.floaters{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:12px}
.float-btn{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.5rem;box-shadow:var(--shadow-lg);text-decoration:none}
.float-btn--wa{background:var(--whatsapp)}
.float-btn--call{background:var(--primary)}
.float-btn:hover{text-decoration:none;transform:scale(1.06)}

/* breadcrumb */
.crumb{font-size:.85rem;color:var(--muted);padding:14px 0}
.crumb a{color:var(--muted)}

/* prose for article pages */
.prose{max-width:760px;margin:0 auto}
.prose h2{margin-top:1.8em}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.prose table{width:100%;border-collapse:collapse;margin:1.2em 0}
.prose th,.prose td{border:1px solid var(--border);padding:10px 12px;text-align:left;font-size:.95rem}
.prose th{background:var(--primary-light)}

/* responsive */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;padding:48px 0}
  .hero-art{order:-1;aspect-ratio:16/9}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-links{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;
    gap:0;padding:8px 20px 16px;border-bottom:1px solid var(--border);box-shadow:var(--shadow);display:none}
  .nav-links.open{display:flex}
  .nav-links li{width:100%;padding:8px 0;border-bottom:1px solid var(--border)}
  .hamburger{display:block}
  .nav-cta .btn{padding:10px 16px;font-size:.9rem}
  .grid-3,.grid-4,.grid-2,.steps,.foot-grid{grid-template-columns:1fr}
  .section{padding:44px 0}
}