:root{
  --navy:#071a33;
  --navy-2:#0b2545;
  --blue:#1677ff;
  --cyan:#47d7ac;
  --red:#f4455a;
  --text:#1d2a3b;
  --muted:#617086;
  --bg:#f7fbff;
  --card:#ffffff;
  --line:#e5edf5;
  --shadow:0 24px 70px rgba(7,26,51,.14);
  --radius:28px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:#fff;color:var(--text);line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,92%);margin-inline:auto}.section{padding:96px 0}.announcement{height:42px;background:linear-gradient(90deg,var(--navy),#123a68);color:#dff8ff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;gap:10px}.pulse-dot{width:8px;height:8px;border-radius:999px;background:var(--cyan);box-shadow:0 0 0 8px rgba(71,215,172,.14)}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(229,237,245,.8)}.nav{height:82px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy);font-size:19px}.brand img{width:48px;height:48px}.brand strong{color:var(--red)}.nav-links{display:flex;align-items:center;gap:28px;font-weight:700;font-size:14px;color:#35445a}.nav-links a{transition:.25s}.nav-links a:hover{color:var(--red)}.nav-cta{padding:12px 18px;border-radius:999px;background:var(--navy);color:white!important}.nav-toggle{display:none;background:none;border:0;flex-direction:column;gap:5px}.nav-toggle span{display:block;width:26px;height:2px;background:var(--navy)}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 80% 15%,rgba(71,215,172,.18),transparent 34%),linear-gradient(180deg,#f7fbff 0%,#fff 100%);padding-top:92px}.hero-bg:before{content:"";position:absolute;inset:90px -10% auto auto;width:620px;height:620px;background:linear-gradient(135deg,rgba(22,119,255,.14),rgba(244,69,90,.11));border-radius:50%;filter:blur(6px)}.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:72px}.eyebrow,.section-label{display:inline-flex;align-items:center;gap:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--red);font-size:12px;font-weight:900}.eyebrow span{width:34px;height:2px;background:var(--red)}h1,h2,h3{line-height:1.08;margin:0;color:var(--navy)}h1{font-size:clamp(42px,6vw,76px);letter-spacing:-.055em}h2{font-size:clamp(32px,4vw,52px);letter-spacing:-.04em}h3{font-size:24px}.hero-lead{font-size:20px;color:#4d5d73;max-width:670px;margin:26px 0 34px}.hero-actions,.cta-actions{display:flex;gap:14px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border-radius:16px;font-weight:900;border:1px solid transparent;transition:.25s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg,var(--red),#ff6b7a);color:#fff;box-shadow:0 16px 34px rgba(244,69,90,.28)}.btn-dark{background:var(--navy);color:#fff}.btn-light{background:#fff;color:var(--navy);border-color:rgba(255,255,255,.45)}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:42px;max-width:700px}.hero-stats div{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 12px 30px rgba(7,26,51,.05)}.hero-stats strong{display:block;color:var(--navy);font-size:22px}.hero-stats span{font-size:13px;color:var(--muted);font-weight:700}.hero-visual{position:relative;min-height:620px;display:flex;align-items:center;justify-content:center}.ecg-line{position:absolute;width:110%;height:160px;background:url('../img/ecg-pattern.svg') center/contain no-repeat;opacity:.38}.phone-mockup{position:relative;width:305px;height:610px;background:#071a33;border-radius:42px;padding:16px;box-shadow:var(--shadow);border:10px solid #0b1930}.phone-top{position:absolute;top:22px;left:50%;transform:translateX(-50%);width:86px;height:22px;background:#071a33;border-radius:0 0 16px 16px;z-index:2}.app-screen{height:100%;border-radius:30px;background:linear-gradient(180deg,#fff,#eef7ff);padding:50px 22px 24px;text-align:center;overflow:hidden}.app-logo-mark{width:78px;height:78px;margin:0 auto 18px}.app-screen p{color:var(--muted);font-size:14px}.lesson-card{display:flex;align-items:center;gap:12px;text-align:left;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;margin-top:12px;box-shadow:0 12px 24px rgba(7,26,51,.06)}.lesson-card span{width:38px;height:38px;border-radius:12px;background:#eaf4ff;display:grid;place-items:center;font-weight:900;color:var(--blue)}.lesson-card.active{background:var(--navy);color:#fff}.lesson-card.active small{color:#cfe0f3}.lesson-card small{display:block;color:var(--muted)}.floating-card{position:absolute;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:18px;padding:14px 18px;font-weight:900;box-shadow:0 16px 36px rgba(7,26,51,.12)}.card-top{top:112px;right:4px}.card-bottom{bottom:112px;left:10px}.two-col{display:grid;grid-template-columns:.35fr .65fr;gap:46px}.mission{background:#fff}.mission-copy p,.section-head p,.app-copy p,.faq-grid p,.cta-card p{font-size:18px;color:var(--muted);max-width:760px}.courses,.benefits,.faq{background:var(--bg)}.section-head{text-align:center;margin-bottom:54px}.section-head .section-label{justify-content:center;margin-bottom:14px}.course-grid,.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.course-card,.benefit,.quote-card,.instructor-card,.cta-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 40px rgba(7,26,51,.06)}.course-card{padding:32px;transition:.25s}.course-card:hover{transform:translateY(-7px);box-shadow:var(--shadow)}.course-icon{width:62px;height:62px;border-radius:20px;display:grid;place-items:center;font-weight:900;margin-bottom:24px;color:#fff}.angiography{background:linear-gradient(135deg,var(--red),#ff8b74)}.ecg{background:linear-gradient(135deg,var(--blue),#5ec5ff)}.echo{background:linear-gradient(135deg,var(--cyan),#20a889)}.course-card p,.course-card li,.benefit p{color:var(--muted)}.course-card ul{padding-left:20px;margin:18px 0}.course-card a{font-weight:900;color:var(--red)}.app-section{background:linear-gradient(135deg,var(--navy),#103c67);color:#fff;overflow:hidden}.app-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}.app-copy h2{color:#fff}.app-copy p{color:#d6e8fb}.tablet-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:34px;padding:18px;box-shadow:0 40px 90px rgba(0,0,0,.2)}.tablet-header{height:28px;display:flex;gap:8px}.tablet-header span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.6)}.tablet-content{background:#fff;border-radius:24px;padding:22px}.video-placeholder{height:240px;border-radius:20px;background:linear-gradient(135deg,#eaf3ff,#fff0f2);display:grid;place-items:center}.video-placeholder button{width:70px;height:70px;border-radius:50%;border:0;background:var(--red);color:#fff;font-size:24px}.module-list{padding-top:18px}.module-list div{height:16px;background:#e9f0f7;border-radius:999px;margin:12px 0}.module-list div:nth-child(2){width:78%}.module-list div:nth-child(3){width:88%}.download-boxes{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px}.download-boxes a{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:20px}.download-boxes small{display:block;color:#bdd6ef}.download-boxes strong{font-size:22px}.instructor-card{display:grid;grid-template-columns:330px 1fr;gap:44px;align-items:center;padding:34px}.doctor-photo img{border-radius:28px}.subtitle{font-size:20px;color:var(--red);font-weight:800}.credential-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}.credential-grid div{background:#f7fbff;border:1px solid var(--line);border-radius:18px;padding:18px}.credential-grid strong{display:block;color:var(--navy);font-size:14px}.credential-grid span{font-size:13px;color:var(--muted)}.benefit{padding:26px}.benefit span{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:#e8fff8;color:#0c9475;font-weight:900;margin-bottom:18px}.testimonial{background:#fff}.quote-card{text-align:center;padding:52px}.stars{color:#ffb020;letter-spacing:.08em;font-size:22px}.quote-card blockquote{margin:20px auto;font-size:30px;line-height:1.35;color:var(--navy);max-width:820px;font-weight:900}.quote-card p{color:var(--muted)}.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:54px}.accordion{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.accordion-item{width:100%;border:0;background:#fff;padding:22px 24px;display:flex;justify-content:space-between;align-items:center;text-align:left;font-weight:900;color:var(--navy);font-size:16px;cursor:pointer;border-bottom:1px solid var(--line)}.accordion-content{display:none;padding:0 24px 24px;color:var(--muted);border-bottom:1px solid var(--line)}.accordion-content.open{display:block}.cta{background:#fff}.cta-card{background:linear-gradient(135deg,var(--navy),#123a68);color:#fff;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-card h2{color:#fff}.cta-card p{color:#d6e8fb}.footer{background:#06162b;color:#c6d4e5;padding:64px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px}.footer h4{color:#fff}.footer a{display:block;margin:9px 0;color:#c6d4e5}.footer-brand{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:20px}.whatsapp-float{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;background:#21c063;color:#fff;display:grid;place-items:center;font-weight:900;font-size:25px;box-shadow:0 16px 36px rgba(33,192,99,.3);z-index:60}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}.delay-1{transition-delay:.12s}.delay-2{transition-delay:.24s}@media(max-width:980px){.nav-toggle{display:flex}.nav-links{position:absolute;top:82px;left:4%;right:4%;display:none;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow)}.nav-links.open{display:flex}.hero-grid,.two-col,.app-grid,.instructor-card,.faq-grid{grid-template-columns:1fr}.hero-visual{min-height:540px;order:-1}.hero-stats,.course-grid,.benefit-grid,.credential-grid,.footer-grid{grid-template-columns:1fr 1fr}.cta-card{flex-direction:column;align-items:flex-start}}@media(max-width:640px){.section{padding:72px 0}.announcement{text-align:center;padding:0 14px;height:auto;min-height:42px}.hero{padding-top:52px}.hero-grid{gap:24px}h1{font-size:44px}.hero-actions,.download-boxes,.hero-stats,.course-grid,.benefit-grid,.credential-grid,.footer-grid{grid-template-columns:1fr;display:grid}.phone-mockup{width:270px;height:540px}.hero-visual{min-height:520px}.floating-card{display:none}.instructor-card,.cta-card,.quote-card{padding:26px}.quote-card blockquote{font-size:22px}.footer-bottom{flex-direction:column}.app-grid{gap:34px}}


/* Updated instructor photo and testimonial slider */
.doctor-photo{position:relative;min-height:480px;border-radius:28px;overflow:hidden;background:#eff5fb;box-shadow:var(--shadow)}
.doctor-photo img{width:100%;height:100%;object-fit:cover;object-position:center top}
.instructor-intro{font-size:17px;color:var(--muted);margin:14px 0 0;max-width:720px}
.testimonial .section-head{margin-bottom:38px}.testimonial-slider{position:relative}.testimonial-viewport{overflow:hidden;border-radius:30px}.testimonial-track{display:flex;transition:transform .55s ease}.testimonial-slide{min-width:100%;margin:0;background:#fff;border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:var(--shadow)}.testimonial-slide img{width:100%;display:block}.slider-btn{position:absolute;top:50%;transform:translateY(-50%);width:56px;height:56px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--navy);font-size:28px;font-weight:900;cursor:pointer;box-shadow:0 14px 30px rgba(7,26,51,.16);z-index:2;transition:.25s}.slider-btn:hover{background:var(--navy);color:#fff}.slider-btn.prev{left:-18px}.slider-btn.next{right:-18px}.testimonial-dots{display:flex;justify-content:center;gap:10px;margin-top:24px}.testimonial-dots button{width:12px;height:12px;border:0;border-radius:50%;background:#c8d5e4;cursor:pointer;padding:0;transition:.25s}.testimonial-dots button.active{width:36px;border-radius:999px;background:var(--red)}
@media(max-width:980px){.doctor-photo{min-height:420px}.slider-btn.prev{left:12px}.slider-btn.next{right:12px}}
@media(max-width:640px){.doctor-photo{min-height:340px}.slider-btn{width:42px;height:42px;font-size:22px}.testimonial-viewport{border-radius:22px}.testimonial-slide{border-radius:22px}}


/* Vimeo video embed */
.video-embed{position:relative;overflow:hidden;padding:0;background:#000}.video-embed::before{content:"";display:block;padding-top:56.25%}.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:20px}
@media(max-width:640px){.video-embed iframe{border-radius:18px}}