/* ============================================================
   LANDING PAGES — Dr. Daniel Amaya
   Mobile-first shared CSS for transactional conversion pages
   ============================================================ */

/* === RESET & BASE === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:#1e293b;line-height:1.7;background:#fff;overflow-x:hidden;padding-bottom:72px}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* === VARIABLES === */
:root{
  --primary:#0d9488;
  --primary-dark:#0f766e;
  --primary-light:#ccfbf1;
  --accent:#f59e0b;
  --accent-dark:#d97706;
  --danger:#ef4444;
  --success:#22c55e;
  --dark:#0f172a;
  --gray-900:#1e293b;
  --gray-700:#334155;
  --gray-600:#475569;
  --gray-400:#94a3b8;
  --gray-200:#e2e8f0;
  --gray-100:#f1f5f9;
  --gray-50:#f8fafc;
  --white:#ffffff;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 1px 3px rgba(0,0,0,.08);
  --shadow-md:0 4px 16px rgba(0,0,0,.1);
  --shadow-lg:0 12px 40px rgba(0,0,0,.12);
  --shadow-xl:0 20px 60px rgba(0,0,0,.15);
  --container:1100px;
  --transition:all .3s cubic-bezier(.4,0,.2,1);
  --bottom-nav-h:68px;
}

/* === UTILITY === */
.container{max-width:var(--container);margin:0 auto;padding:0 16px}
.text-center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* === ANIMATIONS === */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes countUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

.animate-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.animate-in.visible{opacity:1;transform:translateY(0)}

/* === TOPBAR === */
.topbar{background:var(--dark);color:var(--white);padding:6px 0;font-size:12px;text-align:center}
.topbar a{color:var(--accent);font-weight:600}
.topbar__inner{display:flex;justify-content:center;align-items:center;gap:6px;flex-wrap:wrap}

/* === HEADER === */
.header{background:rgba(255,255,255,.97);backdrop-filter:blur(12px);position:sticky;top:0;z-index:100;border-bottom:1px solid var(--gray-200);padding:10px 0}
.header__inner{display:flex;justify-content:space-between;align-items:center}
.header__logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.header__logo img{width:40px;height:40px;object-fit:contain}
.header__logo-text{font-size:13px;font-weight:700;color:var(--gray-900);line-height:1.2}
.header__logo-text small{display:block;font-size:10px;font-weight:500;color:var(--primary);text-transform:uppercase;letter-spacing:.5px}
.header__cta{display:flex;align-items:center;gap:8px}
.header__phone{display:none}

/* === BUTTONS === */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:var(--radius);font-size:14px;font-weight:600;transition:var(--transition);text-align:center;justify-content:center;line-height:1.2;width:100%}
.btn--primary{background:var(--primary);color:var(--white);box-shadow:0 4px 14px rgba(13,148,136,.3)}
.btn--primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(13,148,136,.4)}
.btn--whatsapp{background:#25d366;color:var(--white);box-shadow:0 4px 14px rgba(37,211,102,.3)}
.btn--whatsapp:hover{background:#20bd5a;transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,211,102,.4)}
.btn--outline{background:transparent;border:2px solid var(--primary);color:var(--primary)}
.btn--outline:hover{background:var(--primary);color:var(--white)}
.btn--white{background:var(--white);color:var(--primary);font-weight:700}
.btn--white:hover{background:var(--gray-50);transform:translateY(-2px)}
.btn--lg{padding:16px 24px;font-size:16px;border-radius:var(--radius-lg)}
.btn--full{width:100%}
.btn--pulse{animation:pulse 2s infinite}

/* === HERO (mobile-first: stacked) === */
.hero{position:relative;min-height:auto;padding:32px 0;display:flex;align-items:center;overflow:hidden}
.hero--gradient{background:linear-gradient(160deg,#f0fdfa 0%,#e0f7fa 25%,#ecfeff 50%,#f0f9ff 75%,#f8fafc 100%)}
.hero--dark{background:linear-gradient(160deg,var(--dark) 0%,#1a2332 50%,#0f2027 100%);color:var(--white)}
.hero__grid{display:flex;flex-direction:column;gap:24px;text-align:center}
.hero__badge{display:inline-flex;align-items:center;gap:6px;background:var(--primary-light);color:var(--primary-dark);padding:6px 14px;border-radius:100px;font-size:12px;font-weight:600;margin-bottom:12px;border:1px solid rgba(13,148,136,.15)}
.hero__title{font-size:28px;font-weight:800;line-height:1.12;margin-bottom:14px;letter-spacing:-.02em}
.hero__title em{font-style:normal;color:var(--primary);position:relative}
.hero__subtitle{font-size:15px;color:var(--gray-600);line-height:1.6;margin-bottom:24px;margin-left:auto;margin-right:auto}
.hero--dark .hero__subtitle{color:rgba(255,255,255,.75)}
.hero__actions{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}
.hero__trust{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--gray-400);flex-wrap:wrap;justify-content:center}
.hero__trust-item{display:flex;align-items:center;gap:4px}
.hero__image{position:relative;order:-1;max-width:300px;margin:0 auto}
.hero__image img{border-radius:var(--radius-lg);box-shadow:var(--shadow-xl)}
.hero__image--float{animation:float 6s ease-in-out infinite}
.hero__stat{display:none}

/* === URGENCY BAR === */
.urgency{background:linear-gradient(90deg,var(--primary-dark),var(--primary));color:var(--white);padding:12px 16px;text-align:center;font-size:13px;font-weight:500}
.urgency strong{font-weight:700}
.urgency a{color:var(--accent);font-weight:700;text-decoration:underline}

/* === PAIN POINTS / EMPATHY === */
.pain{padding:48px 0;background:var(--gray-50)}
.pain__title{font-size:22px;font-weight:800;text-align:center;margin-bottom:10px}
.pain__subtitle{text-align:center;color:var(--gray-600);margin-bottom:32px;max-width:600px;margin-left:auto;margin-right:auto;font-size:14px}
.pain__grid{display:grid;grid-template-columns:1fr;gap:16px}
.pain__card{background:var(--white);border-radius:var(--radius);padding:24px;border:1px solid var(--gray-200);transition:var(--transition)}
.pain__card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.pain__card-icon{font-size:32px;margin-bottom:12px}
.pain__card-title{font-size:16px;font-weight:700;margin-bottom:6px}
.pain__card-text{color:var(--gray-600);font-size:14px;line-height:1.6}

/* === SECTION === */
.section{padding:48px 0}
.section--alt{background:var(--gray-50)}
.section--dark{background:var(--dark);color:var(--white)}
.section__label{display:inline-block;background:var(--primary-light);color:var(--primary-dark);padding:5px 14px;border-radius:100px;font-size:12px;font-weight:600;margin-bottom:12px;letter-spacing:.3px}
.section__title{font-size:22px;font-weight:800;margin-bottom:12px;letter-spacing:-.01em;line-height:1.15}
.section__subtitle{color:var(--gray-600);font-size:15px;max-width:600px;margin-bottom:32px;line-height:1.6}

/* === SERVICES TABLE === */
.services-table{width:100%;border-collapse:collapse;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);font-size:13px}
.services-table th{background:var(--primary);color:var(--white);padding:12px 14px;text-align:left;font-weight:600;font-size:12px}
.services-table td{padding:12px 14px;border-bottom:1px solid var(--gray-200);font-size:13px}
.services-table tr:last-child td{border-bottom:0}
.services-table tr:hover td{background:var(--primary-light)}

/* === PROCESS / STEPS === */
.steps{counter-reset:step}
.steps__item{display:flex;gap:16px;margin-bottom:24px;align-items:flex-start}
.steps__number{counter-increment:step;flex-shrink:0;width:44px;height:44px;border-radius:50%;background:var(--primary);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;box-shadow:0 4px 14px rgba(13,148,136,.3)}
.steps__content h3{font-size:16px;font-weight:700;margin-bottom:4px}
.steps__content p{color:var(--gray-600);font-size:14px}

/* === TESTIMONIALS === */
.testimonials__grid{display:grid;grid-template-columns:1fr;gap:16px}
.testimonial{background:var(--white);border-radius:var(--radius);padding:24px;border:1px solid var(--gray-200);position:relative}
.testimonial::before{content:'"';position:absolute;top:8px;right:16px;font-size:56px;color:var(--primary-light);font-family:Georgia,serif;line-height:1}
.testimonial__stars{color:var(--accent);font-size:14px;margin-bottom:10px}
.testimonial__text{font-size:14px;color:var(--gray-700);line-height:1.6;margin-bottom:12px;font-style:italic}
.testimonial__author{font-weight:700;font-size:13px}
.testimonial__source{font-size:11px;color:var(--gray-400)}

/* === DOCTOR CARD === */
.doctor{display:flex;flex-direction:column;gap:24px;align-items:center}
.doctor__image{max-width:280px;margin:0 auto}
.doctor__image img{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.doctor__credentials{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.doctor__credential{background:var(--primary-light);color:var(--primary-dark);padding:5px 12px;border-radius:100px;font-size:11px;font-weight:600}

/* === VIDEO EMBED === */
.video-section{background:var(--dark);padding:48px 0;color:var(--white)}
.video__wrapper{max-width:720px;margin:0 auto;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-xl)}
.video__wrapper iframe{width:100%;aspect-ratio:16/9;border:0}

/* === FAQ === */
.faq__list{max-width:760px;margin:0 auto}
.faq__item{border-bottom:1px solid var(--gray-200);overflow:hidden}
.faq__question{width:100%;padding:16px 0;display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:600;text-align:left;color:var(--gray-900);transition:var(--transition);gap:12px}
.faq__question:hover{color:var(--primary)}
.faq__icon{font-size:18px;color:var(--primary);transition:transform .3s ease;flex-shrink:0}
.faq__item.active .faq__icon{transform:rotate(180deg)}
.faq__answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 0 0 0}
.faq__item.active .faq__answer{max-height:500px;padding:0 0 16px 0}
.faq__answer p{color:var(--gray-600);font-size:14px;line-height:1.7}

/* === CTA SECTION === */
.cta-section{background:linear-gradient(135deg,var(--primary-dark),var(--primary));padding:48px 0;text-align:center;color:var(--white);position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-50%;right:-20%;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.05)}
.cta-section::after{content:'';position:absolute;bottom:-30%;left:-10%;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.03)}
.cta__title{font-size:24px;font-weight:800;margin-bottom:12px;position:relative;z-index:1}
.cta__text{font-size:15px;opacity:.9;margin-bottom:24px;max-width:560px;margin-left:auto;margin-right:auto;position:relative;z-index:1}
.cta__actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1;max-width:360px;margin:0 auto}

/* === INSURANCE LOGOS === */
.insurance__grid{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;align-items:center}
.insurance__item{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);padding:12px 18px;font-size:13px;font-weight:600;color:var(--gray-700);transition:var(--transition)}
.insurance__item:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}

/* === LOCATION SECTION === */
.location{padding:48px 0;background:var(--gray-50)}
.location__grid{display:flex;flex-direction:column;gap:24px}
.location__info h3{font-size:18px;font-weight:700;color:var(--gray-900);margin-bottom:10px}
.location__address{color:var(--gray-600);font-size:14px;line-height:1.7;margin-bottom:14px}
.location__hours{color:var(--gray-600);font-size:14px;line-height:1.8}
.location__hours strong{color:var(--gray-700)}
.location__map{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);min-height:240px}
.location__map iframe{width:100%;height:260px;border:0}
.location__cta{margin-top:16px}

/* === FOOTER === */
.footer{background:var(--dark);color:rgba(255,255,255,.7);padding:40px 0 100px;font-size:13px}
.footer__grid{display:grid;grid-template-columns:1fr;gap:28px;margin-bottom:24px}
.footer__brand p{margin-top:10px;line-height:1.6;font-size:13px}
.footer__title{color:var(--white);font-weight:700;font-size:14px;margin-bottom:12px}
.footer__link{display:block;color:rgba(255,255,255,.6);margin-bottom:6px;transition:var(--transition);font-size:13px}
.footer__link:hover{color:var(--primary);padding-left:4px}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;font-size:12px;color:rgba(255,255,255,.4)}
.footer__bottom a{color:rgba(255,255,255,.6);text-decoration:underline}

/* === WHATSAPP FLOAT (repositioned above bottom nav) === */
.wa-float{position:fixed;bottom:calc(var(--bottom-nav-h) + 12px);right:16px;z-index:998;width:56px;height:56px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(37,211,102,.4);transition:var(--transition);animation:pulse 2s infinite}
.wa-float:hover{transform:scale(1.1)}
.wa-float svg{width:28px;height:28px;fill:var(--white)}

/* === STAT COUNTER === */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;text-align:center;padding:32px 0}
.stat__number{font-size:28px;font-weight:800;color:var(--primary)}
.stat__label{font-size:12px;color:var(--gray-600);margin-top:2px}

/* === GUARANTEE BOX === */
.guarantee{background:linear-gradient(135deg,#fef3c7,#fffbeb);border:2px solid var(--accent);border-radius:var(--radius-lg);padding:24px;text-align:center}
.guarantee__icon{font-size:40px;margin-bottom:10px}
.guarantee__title{font-size:18px;font-weight:700;margin-bottom:6px;color:var(--accent-dark)}
.guarantee__text{color:var(--gray-700);font-size:14px}

/* === COMPARISON === */
.comparison{display:grid;grid-template-columns:1fr;gap:16px}
.comparison__col{border-radius:var(--radius);padding:24px;border:2px solid}
.comparison__col--bad{border-color:var(--danger);background:#fef2f2}
.comparison__col--good{border-color:var(--success);background:#f0fdf4}
.comparison__col h3{font-size:16px;font-weight:700;margin-bottom:12px}
.comparison__item{display:flex;align-items:flex-start;gap:6px;margin-bottom:8px;font-size:13px;color:var(--gray-700)}

/* ==============================================================
   BOTTOM NAVIGATION BAR — Native mobile feel (thumb-reach)
   ============================================================== */
.bottom-nav{
  position:fixed;
  bottom:0;left:0;right:0;
  z-index:1000;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--gray-200);
  height:var(--bottom-nav-h);
  display:flex;
  align-items:stretch;
  justify-content:space-around;
  padding:0 4px;
  padding-bottom:env(safe-area-inset-bottom,0px);
  box-shadow:0 -2px 16px rgba(0,0,0,.06);
}
.bottom-nav__item{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  flex:1;
  text-decoration:none;
  color:var(--gray-400);
  font-size:10px;
  font-weight:600;
  gap:2px;
  transition:var(--transition);
  padding:6px 2px;
  -webkit-tap-highlight-color:transparent;
  user-select:none;
}
.bottom-nav__item:active{
  transform:scale(.92);
}
.bottom-nav__item--active,
.bottom-nav__item:hover{
  color:var(--primary);
}
.bottom-nav__icon{
  font-size:22px;
  line-height:1;
}
.bottom-nav__item--cta{
  color:var(--white);
  background:#25d366;
  border-radius:14px;
  margin:8px 4px;
  font-weight:700;
  gap:1px;
  box-shadow:0 2px 10px rgba(37,211,102,.3);
}
.bottom-nav__item--cta:hover,
.bottom-nav__item--cta:active{
  color:var(--white);
  background:#20bd5a;
}

/* =========================================
   RESPONSIVE — TABLET (≥480px)
   ========================================= */
@media(min-width:480px){
  .container{padding:0 20px}
  .hero__title{font-size:32px}
  .pain__grid{grid-template-columns:repeat(2,1fr)}
  .testimonials__grid{grid-template-columns:repeat(2,1fr)}
  .cta__actions{flex-direction:row;max-width:none;justify-content:center}
  .btn{width:auto}
  .hero__actions{flex-direction:row;justify-content:center}
  .location__grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
  .location__map iframe{height:280px}
}

/* =========================================
   RESPONSIVE — DESKTOP (≥768px)
   ========================================= */
@media(min-width:768px){
  body{padding-bottom:0}
  .container{padding:0 24px}

  /* Hide bottom nav on desktop */
  .bottom-nav{display:none}

  /* Re-show desktop header elements */
  .header__phone{display:inline-flex}
  .header__logo img{width:56px;height:56px}
  .header__logo-text{font-size:15px}
  .header__logo-text small{font-size:11px}

  /* HERO — side by side */
  .hero{min-height:85vh;padding:60px 0}
  .hero__grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;text-align:left}
  .hero__title{font-size:clamp(32px,5vw,52px)}
  .hero__subtitle{font-size:18px;margin-left:0;margin-right:0;max-width:540px}
  .hero__actions{flex-direction:row;justify-content:flex-start}
  .hero__trust{justify-content:flex-start;font-size:13px}
  .hero__image{order:0;max-width:none;margin:0}
  .hero__stat{display:block}

  .btn{width:auto;font-size:16px;padding:14px 28px}
  .btn--lg{padding:18px 36px;font-size:18px}

  /* Sections */
  .section,.pain,.video-section,.cta-section{padding:80px 0}
  .pain__title,.section__title{font-size:clamp(26px,3.5vw,40px)}
  .pain__subtitle{font-size:15px}

  .pain__grid{grid-template-columns:repeat(3,1fr);gap:24px}
  .pain__card{padding:32px}
  .pain__card-title{font-size:18px}
  .pain__card-text{font-size:15px}

  .testimonials__grid{grid-template-columns:repeat(3,1fr)}

  .doctor{display:grid;grid-template-columns:1fr 1.3fr;gap:48px}
  .doctor__image{max-width:none}

  .comparison{grid-template-columns:1fr 1fr}
  .comparison__col{padding:32px}

  .stats{grid-template-columns:repeat(4,1fr);padding:48px 0}
  .stat__number{font-size:clamp(32px,4vw,48px)}
  .stat__label{font-size:14px}

  .footer{padding:48px 0 24px}
  .footer__grid{grid-template-columns:1.5fr 1fr 1fr;gap:40px}

  .cta__title{font-size:clamp(28px,4vw,44px)}
  .cta__text{font-size:18px}

  /* WA float: normal position */
  .wa-float{bottom:24px;right:24px;width:60px;height:60px}
  .wa-float svg{width:32px;height:32px}

  .section__label{font-size:13px}
  .faq__question{font-size:16px;padding:20px 0}

  .services-table{font-size:15px}
  .services-table th{padding:16px 20px;font-size:14px}
  .services-table td{padding:16px 20px;font-size:15px}

  .location__grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
  .location__map iframe{height:320px}
  .location{padding:80px 0}
}

/* =========================================
   RESPONSIVE — LARGE (≥1024px)
   ========================================= */
@media(min-width:1024px){
  .hero__title{font-size:52px}
}