/* Sheriff Dental — Shared Stylesheet
   Tailwind utility-first + custom design tokens
   Primary: sky-600 (#0284c7) | Neutral: slate scale
   No build step — loaded directly by all pages
*/

/* ── Reset & Base ─────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f8fafc;color:#334155;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,select,textarea{font-family:inherit}

/* ── Design Tokens ────────────────────────────────────── */
:root{
  --primary-50:#f0f9ff;
  --primary-100:#e0f2fe;
  --primary-200:#bae6fd;
  --primary-500:#0ea5e9;
  --primary-600:#0284c7;
  --primary-700:#0369a1;
  --primary-800:#075985;
  --primary-900:#0c4a6e;
  --neutral-50:#f8fafc;
  --neutral-100:#f1f5f9;
  --neutral-200:#e2e8f0;
  --neutral-300:#cbd5e1;
  --neutral-400:#94a3b8;
  --neutral-500:#64748b;
  --neutral-600:#475569;
  --neutral-700:#334155;
  --neutral-800:#1e293b;
  --neutral-900:#0f172a;
  --teal-400:#2dd4bf;
  --teal-500:#14b8a6;
  --green-500:#22c55e;
  --green-600:#16a34a;
  --red-500:#ef4444;
  --orange-600:#ea580c;
  --purple-600:#9333ea;
}

/* ── Layout Helpers ───────────────────────────────────── */
.container{width:100%;margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem}
@media(min-width:640px){.container{padding-left:1.5rem;padding-right:1.5rem}}
@media(min-width:1280px){.container{max-width:1280px}}
.max-w-4xl{max-width:56rem}
.max-w-6xl{max-width:72rem}
.max-w-7xl{max-width:80rem}
.mx-auto{margin-left:auto;margin-right:auto}
.section{padding:5rem 1rem}
@media(min-width:768px){.section{padding:7rem 1.5rem}}

/* ── Typography ───────────────────────────────────────── */
h1,h2,h3,h4,h5,h6{color:var(--neutral-900);font-weight:700;line-height:1.2;letter-spacing:-0.02em}
.text-xs{font-size:.75rem;line-height:1rem}
.text-sm{font-size:.875rem;line-height:1.25rem}
.text-base{font-size:1rem;line-height:1.5rem}
.text-lg{font-size:1.125rem;line-height:1.75rem}
.text-xl{font-size:1.25rem;line-height:1.75rem}
.text-2xl{font-size:1.5rem;line-height:2rem}
.text-3xl{font-size:1.875rem;line-height:2.25rem}
.text-4xl{font-size:2.25rem;line-height:2.5rem}
@media(min-width:768px){
  .md\:text-4xl{font-size:2.25rem;line-height:2.5rem}
  .md\:text-5xl{font-size:3rem;line-height:1}
}
@media(min-width:1024px){
  .lg\:text-5xl{font-size:3rem;line-height:1}
  .lg\:text-6xl{font-size:3.75rem;line-height:1}
}

/* ── Colours ──────────────────────────────────────────── */
.text-primary{color:var(--primary-600)}
.text-primary-light{color:var(--primary-100)}
.text-neutral-500{color:var(--neutral-500)}
.text-neutral-600{color:var(--neutral-600)}
.text-neutral-700{color:var(--neutral-700)}
.text-neutral-800{color:var(--neutral-800)}
.text-neutral-900{color:var(--neutral-900)}
.text-white{color:#fff}
.text-green{color:var(--green-600)}

.bg-white{background:#fff}
.bg-neutral-50{background:var(--neutral-50)}
.bg-primary{background:var(--primary-600)}
.bg-primary-dark{background:var(--primary-800)}
.bg-primary-50{background:var(--primary-50)}
.bg-primary-100{background:var(--primary-100)}

/* ── Buttons ──────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 2rem;font-size:1rem;font-weight:700;border-radius:.75rem;border:none;cursor:pointer;transition:background-color .2s,transform .15s,box-shadow .2s;text-decoration:none;line-height:1}
.btn-primary{background:var(--primary-600);color:#fff;box-shadow:0 10px 15px -3px rgba(2,132,199,.25)}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-2px);box-shadow:0 20px 25px -5px rgba(2,132,199,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:disabled{opacity:.7;cursor:not-allowed;transform:none}
.btn-white{background:#fff;color:var(--primary-700)}
.btn-white:hover{background:var(--neutral-100)}
.btn-green{background:var(--green-500);color:#fff;box-shadow:0 10px 15px -3px rgba(34,197,94,.2)}
.btn-green:hover{background:var(--green-600);transform:translateY(-2px)}
.btn-lg{padding:1.125rem 2.5rem;font-size:1.125rem}
.btn-full{width:100%}

/* ── Form Inputs ──────────────────────────────────────── */
.form-input{width:100%;padding:.875rem 1.25rem;background:var(--neutral-50);border:1.5px solid var(--neutral-200);border-radius:.75rem;font-size:1rem;color:var(--neutral-800);outline:none;transition:border-color .2s,box-shadow .2s,background .2s}
.form-input:focus{border-color:var(--primary-500);box-shadow:0 0 0 4px rgba(14,165,233,.1);background:#fff}
.form-input.error{border-color:var(--red-500)}
.form-input::placeholder{color:var(--neutral-400)}
select.form-input{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .875rem center;padding-right:2.5rem}

/* ── Phone Input (intl-tel-input) ─────────────────────── */
.iti{width:100%}
.iti__tel-input{width:100%!important;padding:.875rem 1.25rem .875rem 5.5rem!important;background:var(--neutral-50)!important;border:1.5px solid var(--neutral-200)!important;border-radius:.75rem!important;font-size:1rem!important;color:var(--neutral-800)!important;outline:none!important;font-family:inherit!important;transition:border-color .2s,box-shadow .2s,background .2s!important}
.iti__tel-input:focus{border-color:var(--primary-500)!important;box-shadow:0 0 0 4px rgba(14,165,233,.1)!important;background:#fff!important}
.iti__tel-input.error{border-color:var(--red-500)!important}
.iti__flag-container{z-index:10}
/* Force dropdown text dark regardless of parent background colour */
.iti__country-list{background:#fff!important;color:#1e293b!important;border:1px solid var(--neutral-200)!important;box-shadow:0 8px 24px rgba(0,0,0,.12)!important}
.iti__country{color:#1e293b!important}
.iti__country-name{color:#1e293b!important}
.iti__dial-code{color:#475569!important}
.iti__country.iti__highlight{background:var(--primary-50)!important}
.iti__selected-dial-code{color:#1e293b!important}

/* ── Header ───────────────────────────────────────────── */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--neutral-100);box-shadow:0 1px 8px rgba(0,0,0,.06);padding:.75rem 0}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.site-logo{display:flex;align-items:center;gap:.75rem;cursor:pointer}
.site-logo img{width:2.5rem;height:2.5rem;object-fit:contain}
.site-logo-name{font-weight:700;font-size:1rem;color:var(--neutral-900);line-height:1.2}
.site-logo-sub{font-size:.7rem;color:var(--neutral-500);font-weight:500;letter-spacing:.05em;display:none}
@media(min-width:640px){.site-logo-sub{display:block}}
.site-address{display:none;align-items:center;gap:.375rem;font-size:.8rem;color:var(--neutral-500);background:var(--neutral-50);padding:.375rem .875rem;border-radius:9999px;border:1px solid var(--neutral-100)}
@media(min-width:768px){.site-address{display:flex}}

/* ── Hero Section ─────────────────────────────────────── */
.hero{position:relative;overflow:hidden;background:var(--neutral-50)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:'';position:absolute;inset:0;background:rgba(255,255,255,.6)}
@media(min-width:1024px){.hero-bg::after{background:linear-gradient(to right,rgba(255,255,255,.75) 0%,rgba(255,255,255,.6) 50%,rgba(255,255,255,.25) 100%)}}
.hero-inner{position:relative;z-index:1;padding:2rem 1rem}
@media(min-width:768px){.hero-inner{padding:3rem 1.5rem}}
@media(min-width:1024px){.hero-inner{padding:4rem 1.5rem}}

/* ── Trust Pill ───────────────────────────────────────── */
.trust-pill{display:inline-flex;align-items:center;gap:.5rem;background:var(--primary-600);color:#fff;padding:.625rem 1.5rem;border-radius:9999px;font-size:.875rem;font-weight:700;border:1px solid var(--primary-700);box-shadow:0 10px 15px -3px rgba(2,132,199,.25)}
.trust-pill-light{background:var(--primary-50);color:var(--primary-700);border:1px solid var(--primary-100)}

/* ── Cards ────────────────────────────────────────────── */
.card{background:#fff;border-radius:1rem;border:1px solid var(--neutral-100);padding:2rem;box-shadow:0 1px 3px rgba(0,0,0,.05);transition:box-shadow .3s,transform .3s}
.card:hover{box-shadow:0 20px 25px -5px rgba(0,0,0,.08);transform:translateY(-2px)}
.card-icon{width:4rem;height:4rem;border-radius:.875rem;background:var(--primary-50);display:flex;align-items:center;justify-content:center;color:var(--primary-600);margin-bottom:1.5rem;transition:transform .3s}
.card:hover .card-icon{transform:scale(1.1)}

/* ── Form Card ────────────────────────────────────────── */
.form-card{background:#fff;border-radius:1.25rem;padding:2rem;box-shadow:0 20px 40px -10px rgba(0,0,0,.12);border:1px solid var(--neutral-100)}
@media(min-width:768px){.form-card{padding:2.5rem}}

/* ── Section Labels ───────────────────────────────────── */
.section-label{display:block;font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--primary-600);margin-bottom:.5rem}

/* ── Process Steps ────────────────────────────────────── */
.step-card{background:#fff;border-radius:1rem;border:1px solid var(--neutral-100);padding:2rem;text-align:center;position:relative;z-index:1;transition:box-shadow .3s}
.step-card:hover{box-shadow:0 20px 25px -5px rgba(0,0,0,.08)}
.step-icon{width:4rem;height:4rem;border-radius:1rem;background:var(--primary-600);display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;box-shadow:0 10px 15px -3px rgba(2,132,199,.2);transition:transform .3s}
.step-card:hover .step-icon{transform:translateY(-4px)}
.step-number{position:absolute;top:1rem;right:1rem;font-size:3rem;font-weight:900;color:var(--neutral-100);line-height:1;user-select:none}

/* ── Testimonial Carousel ─────────────────────────────── */
.testimonial-track{display:flex;gap:1rem;width:max-content}
@keyframes scrollLeft{0%{transform:translateX(0)}100%{transform:translateX(-33.333%)}}
.testimonial-scroll{animation:scrollLeft 30s linear infinite;will-change:transform}
.testimonial-scroll:hover{animation-play-state:paused}
.testimonial-card{flex-shrink:0;width:20rem;background:#fff;border-radius:1rem;padding:1.5rem;border:1px solid var(--neutral-100);box-shadow:0 1px 3px rgba(0,0,0,.04)}
@media(min-width:768px){.testimonial-card{width:24rem}}

/* ── Case Study Grid ──────────────────────────────────── */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
@media(min-width:768px){.case-grid{grid-template-columns:repeat(4,1fr);gap:1.5rem}}
.case-item{border-radius:1rem;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,.08);position:relative}
.case-item img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .5s}
.case-item:hover img{transform:scale(1.05)}

/* ── FAQ Accordion ────────────────────────────────────── */
.faq-item{border:1.5px solid var(--neutral-200);border-radius:.75rem;overflow:hidden;transition:border-color .3s,box-shadow .3s;background:#fff}
.faq-item.open{border-color:var(--primary-200);box-shadow:0 8px 20px -5px rgba(2,132,199,.1)}
.faq-btn{width:100%;display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;text-align:left;background:none;border:none;cursor:pointer;gap:1rem}
.faq-btn span{font-weight:700;font-size:1.0625rem;color:var(--neutral-800);flex:1}
.faq-item.open .faq-btn span{color:var(--primary-800)}
.faq-chevron{flex-shrink:0;width:1.25rem;height:1.25rem;stroke:var(--neutral-400);transition:transform .3s}
.faq-item.open .faq-chevron{stroke:var(--primary-600);transform:rotate(180deg)}
.faq-body{max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.4,0,.2,1)}
.faq-body.open{max-height:16rem}
.faq-body-inner{padding:0 1.5rem 1.25rem;color:var(--neutral-600);line-height:1.7}

/* ── Safety / CTA Banner ──────────────────────────────── */
.section-blue{background:var(--primary-700);color:#fff;position:relative;overflow:hidden;padding:5rem 1rem}
@media(min-width:768px){.section-blue{padding:7rem 1.5rem}}
.section-blue-deco{position:absolute;border-radius:9999px;filter:blur(80px);pointer-events:none}

/* ── Sticky Mobile CTA ────────────────────────────────── */
.sticky-cta{position:fixed;bottom:0;left:0;width:100%;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--neutral-200);padding:1rem;display:flex;gap:.75rem;z-index:50;box-shadow:0 -4px 20px -5px rgba(0,0,0,.1)}
@media(min-width:768px){.sticky-cta{display:none}}

/* ── Footer ───────────────────────────────────────────── */
.site-footer{background:var(--neutral-900);color:var(--neutral-400);padding:3rem 1rem;text-align:center;font-size:.875rem;border-top:1px solid var(--neutral-800)}
.site-footer a{color:var(--neutral-500);transition:color .2s}
.site-footer a:hover{color:var(--neutral-300)}

/* ── Scroll Animations ────────────────────────────────── */
.anim{opacity:0;transform:translateY(20px);transition:opacity .6s ease-out,transform .6s ease-out}
.anim.visible{opacity:1;transform:translateY(0)}

/* ── Grid Utilities ───────────────────────────────────── */
.grid-2{display:grid;grid-template-columns:1fr;gap:2rem}
@media(min-width:768px){.grid-2{grid-template-columns:repeat(2,1fr)}}
.grid-3{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.grid-4{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
@media(min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:3rem;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1fr 1fr}}

/* ── Flex Utilities ───────────────────────────────────── */
.flex{display:flex}
.flex-wrap{flex-wrap:wrap}
.items-center{align-items:center}
.justify-center{justify-content:center}
.gap-2{gap:.5rem}
.gap-3{gap:.75rem}
.gap-4{gap:1rem}

/* ── Spacing ──────────────────────────────────────────── */
.mt-2{margin-top:.5rem}
.mt-4{margin-top:1rem}
.mt-6{margin-top:1.5rem}
.mt-8{margin-top:2rem}
.mt-12{margin-top:3rem}
.mb-2{margin-bottom:.5rem}
.mb-4{margin-bottom:1rem}
.mb-6{margin-bottom:1.5rem}
.mb-8{margin-bottom:2rem}
.mb-12{margin-bottom:3rem}
.mb-16{margin-bottom:4rem}
.space-y-3>*+*{margin-top:.75rem}
.space-y-4>*+*{margin-top:1rem}
.space-y-5>*+*{margin-top:1.25rem}
.space-y-8>*+*{margin-top:2rem}
.text-center{text-align:center}
.max-w-2xl{max-width:42rem;margin-left:auto;margin-right:auto}
.max-w-3xl{max-width:48rem;margin-left:auto;margin-right:auto}
.hidden{display:none}
@media(min-width:768px){.md\:block{display:block}.md\:hidden{display:none}}
.overflow-hidden{overflow:hidden}
.relative{position:relative}
.absolute{position:absolute}
.inset-0{inset:0}
.z-10{z-index:10}
.w-full{width:100%}
.rounded-full{border-radius:9999px}
.rounded-xl{border-radius:.75rem}
.rounded-2xl{border-radius:1rem}
.rounded-3xl{border-radius:1.5rem}
.border{border:1px solid}
.border-neutral{border-color:var(--neutral-200)}
.shadow-sm{box-shadow:0 1px 3px rgba(0,0,0,.05)}
.shadow-lg{box-shadow:0 10px 15px -3px rgba(0,0,0,.1)}
.pb-20{padding-bottom:5rem}
@media(min-width:768px){.md\:pb-0{padding-bottom:0}}
.font-bold{font-weight:700}
.font-semibold{font-weight:600}
.font-medium{font-weight:500}
.leading-relaxed{line-height:1.7}
.leading-tight{line-height:1.2}
.tracking-wide{letter-spacing:.05em}

/* ── Benefit check row ────────────────────────────────── */
.check-row{display:flex;align-items:flex-start;gap:.75rem;color:var(--neutral-700);font-weight:500}
.check-circle{width:1.5rem;height:1.5rem;border-radius:9999px;background:var(--primary-100);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--primary-600)}
.check-circle-white{width:1.5rem;height:1.5rem;border-radius:9999px;background:rgba(45,212,191,.15);display:flex;align-items:center;justify-content:center;flex-shrink:0}

/* ── Social Proof badge ───────────────────────────────── */
.badge-green{display:inline-block;background:#f0fdf4;color:#15803d;font-size:.75rem;font-weight:700;padding:.3rem .75rem;border-radius:9999px;border:1px solid #bbf7d0}
.badge-blue{display:inline-block;background:var(--primary-50);color:var(--primary-700);font-size:.75rem;font-weight:700;padding:.3rem .75rem;border-radius:9999px;border:1px solid var(--primary-200)}

/* ── Stars ────────────────────────────────────────────── */
.stars{display:flex;gap:.125rem;color:#facc15}

/* ── Lightbox ─────────────────────────────────────────── */
#lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:1000;align-items:center;justify-content:center;padding:1rem}
#lightbox.open{display:flex}
#lightbox img{max-width:100%;max-height:90vh;object-fit:contain;border-radius:.5rem}
#lightbox-close{position:absolute;top:1.5rem;right:1.5rem;background:none;border:none;color:#fff;cursor:pointer;padding:.5rem}

/* ── Step 2 / OneLastStep ─────────────────────────────── */
.option-btn{width:100%;padding:1rem;border-radius:.75rem;border:1.5px solid var(--neutral-200);background:var(--neutral-50);font-weight:700;font-size:.9375rem;color:var(--neutral-600);cursor:pointer;transition:all .2s;text-align:center}
.option-btn.selected{background:var(--primary-50);border-color:var(--primary-500);color:var(--primary-700);box-shadow:0 0 0 4px rgba(14,165,233,.1)}
.option-btn:hover:not(.selected){background:var(--neutral-100);border-color:var(--neutral-300)}