/* ===================================================
   Sleep Medicine Institute — sample site stylesheet
   Palette sampled from the reference design
=================================================== */
:root{
  --navy-950:#04182B;
  --navy-900:#062B4E;
  --navy-800:#0B3B66;
  --blue-700:#04619E;
  --blue-600:#0468A8;
  --blue-500:#1C86C7;
  --blue-400:#4FA8DA;
  --blue-100:#DDEEF9;
  --blue-50:#F2F9FE;
  --ink:#0F2941;
  --muted:#5B6D86;
  --white:#FFFFFF;
  --radius-sm:8px;
  --radius:16px;
  --radius-lg:26px;
  --shadow:0 10px 30px rgba(6,43,78,.08);
  --shadow-sm:0 4px 14px rgba(6,43,78,.06);
  --maxw:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Inter',sans-serif;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Poppins',sans-serif;margin:0;line-height:1.2;}
p{margin:0;color:var(--muted);line-height:1.7;}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
svg{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;font-size:.92rem;
  padding:13px 26px;border:none;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn svg{width:16px;height:16px;}
.btn-pill{border-radius:999px;}
.btn-primary{background:var(--blue-600);color:#fff;box-shadow:0 8px 20px rgba(4,104,168,.28);}
.btn-primary:hover{background:var(--blue-700);transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--blue-600);border:1.5px solid var(--blue-100);}
.btn-outline:hover{border-color:var(--blue-400);}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);}
.play-dot{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--blue-600);color:#fff;}
.play-dot svg{width:11px;height:11px;stroke:none;fill:currentColor;}

.badge{
  display:inline-block;background:var(--blue-100);color:var(--blue-700);
  font-size:.78rem;font-weight:600;padding:7px 16px;border-radius:999px;margin-bottom:16px;
}
.badge-light{background:rgba(255,255,255,.15);color:#fff;}

.eyebrow{display:block;color:var(--blue-600);font-weight:700;font-size:.8rem;letter-spacing:.02em;text-transform:uppercase;margin-bottom:10px;}

/* ============ Top bar ============ */
.topbar{background:var(--navy-900);color:#cfe3f2;font-size:.82rem;}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;padding:9px 24px;}
.topbar-contact{display:flex;gap:26px;}
.topbar-contact a{display:flex;align-items:center;gap:7px;color:#cfe3f2;}
.topbar-contact svg{width:13px;height:13px;stroke-width:2;}
.topbar-social{display:flex;gap:14px;}
.topbar-social a{width:15px;height:15px;color:#cfe3f2;}
.topbar-social svg{width:15px;height:15px;fill:currentColor;stroke:none;}
@media(max-width:760px){.topbar-contact a:last-child{display:none;}}

/* ============ Header ============ */
.site-header{background:#fff;box-shadow:0 1px 0 rgba(6,43,78,.06);position:sticky;top:0;z-index:100;}
.header-inner{display:flex;align-items:center;gap:28px;padding:14px 24px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{width:38px;height:38px;flex:none;}
.logo-text{font-family:'Poppins',sans-serif;font-size:.86rem;font-weight:500;color:var(--blue-600);line-height:1.25;}
.logo-text strong{font-weight:700;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;flex:1;}
.main-nav>a{font-size:.92rem;font-weight:500;color:var(--ink);padding:8px 0;position:relative;display:flex;align-items:center;gap:4px;}
.main-nav>a.active{color:var(--blue-600);}
.main-nav>a.active::after{content:'';position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--blue-600);}
.main-nav>a:hover{color:var(--blue-600);}
.chev{width:12px;height:12px;}
.dropdown{position:relative;}
.dropdown-menu{
  position:absolute;top:100%;left:0;background:#fff;min-width:210px;
  box-shadow:var(--shadow);border-radius:var(--radius-sm);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .15s ease, transform .15s ease, visibility .15s ease;
  z-index:10;
}
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown-menu a{display:block;padding:9px 12px;font-size:.86rem;border-radius:6px;color:var(--ink);}
.dropdown-menu a:hover{background:var(--blue-50);color:var(--blue-600);}
.header-cta{flex:none;padding:11px 22px;font-size:.85rem;}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:6px;}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;}

@media(max-width:980px){
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:14px 24px;box-shadow:var(--shadow);display:none;gap:6px;}
  .main-nav.open{display:flex;}
  .dropdown-menu{position:static;box-shadow:none;opacity:1;visibility:visible;transform:none;display:none;padding-left:12px;}
  .dropdown.open .dropdown-menu{display:block;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;}
}

/* ============ Hero / Banner ============ */
.hero{position:relative;padding:64px 0 0px;overflow:hidden;isolation:isolate;}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-size:cover;background-position:60% center;
}
.hero-overlay{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,
    rgba(255,255,255,.97) 0%,
    rgba(233,247,255,.94) 26%,
    rgba(233,247,255,.6) 42%,
    rgba(233,247,255,.15) 56%,
    rgba(6,43,78,.06) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start;}
.hero-kicker{
  color:var(--blue-600);font-weight:700;font-size:.78rem;letter-spacing:.12em;
  margin-bottom:14px;
}
.hero-copy h1{font-size:clamp(2.1rem,3.6vw,2.85rem);color:var(--ink);font-weight:700;letter-spacing:-.01em;}
.hero-copy h1 .accent{color:var(--blue-600);}
.hero-desc{margin-top:16px;max-width:42ch;}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-stat{
  display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.85);
  border:1px solid rgba(255,255,255,.6);border-radius:13px;padding:9px 11px;
  box-shadow:var(--shadow-sm);backdrop-filter:blur(4px);flex:1 1 130px;min-width:130px;
}
.hero-stat-icon{
  width:32px;height:32px;flex:none;border-radius:50%;background:var(--blue-50);
  display:flex;align-items:center;justify-content:center;color:var(--blue-600);
}
.hero-stat-icon svg{width:16px;height:16px;}
.hero-stat b{display:block;font-family:'Poppins',sans-serif;font-size:.98rem;color:var(--ink);line-height:1.2;}
.hero-stat span{font-size:.66rem;color:var(--muted);line-height:1.25;display:block;}
.hero-actions{display:flex;gap:16px;margin-top:26px;flex-wrap:wrap;}

/* Query card */
.hero-query-card{
  position:relative;background:#fff;border-radius:var(--radius-lg);
  box-shadow:0 20px 50px rgba(6,43,78,.16);padding:26px 26px 22px;
  max-width:340px;justify-self:end;
}
.hero-query-card h3{font-size:1.15rem;color:var(--ink);}
.hero-query-card>p{font-size:.82rem;margin-top:6px;margin-bottom:16px;}
.query-form{display:flex;flex-direction:column;gap:12px;}
.query-field{
  display:flex;align-items:center;gap:10px;background:#F7FAFD;
  border:1px solid #E7EEF5;border-radius:999px;padding:11px 16px;
}
.query-field svg{width:15px;height:15px;flex:none;color:var(--blue-500);stroke-width:1.8;}
.query-field input,.query-field textarea{
  border:none;background:none;outline:none;font-family:inherit;font-size:.86rem;
  color:var(--ink);width:100%;resize:none;padding-top:2px;
}
.query-field input::placeholder,.query-field textarea::placeholder{color:#9AAAC0;}
.query-field-msg{border-radius:18px;align-items:flex-start;padding-top:12px;}
.query-field-msg svg{margin-top:2px;}
.query-submit{justify-content:center;width:100%;margin-top:4px;}
.query-submit svg{width:15px;height:15px;}

.hero-caption{
  grid-column:1/-1;justify-self:end;margin-top:-14px;
  font-family:'Caveat',cursive;font-weight:700;color:var(--navy-900);
  font-size:1.5rem;line-height:1.15;text-align:right;
}

@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-query-card{justify-self:stretch;max-width:none;}
  .hero-overlay{background:linear-gradient(180deg,rgba(255,255,255,.97) 0%,rgba(233,247,255,.95) 40%,rgba(233,247,255,.85) 100%);}
  .hero-caption{justify-self:start;text-align:left;margin-top:0;}
}
@media(max-width:560px){
  .hero{padding:40px 0 50px;}
  .hero-stats{gap:10px;}
  .hero-stat{padding:8px 10px;}
}

/* ============ Why section ============ */
.why{padding:56px 0 40px;background:#fff;}
.why-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;align-items:center;}
.why-copy h2{font-size:clamp(1.5rem,2.6vw,2rem);margin:6px 0 16px;color:var(--ink);}
.why-copy p{max-width:40ch;margin-bottom:24px;}
.why-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.mini-card{background:var(--blue-50);border-radius:var(--radius);padding:22px 18px;}
.mini-icon{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;
  border-radius:10px;background:#fff;color:var(--blue-600);margin-bottom:12px;box-shadow:var(--shadow-sm);
}
.mini-icon svg{width:19px;height:19px;}
.mini-card h3{font-size:.95rem;margin-bottom:6px;color:var(--ink);}
.mini-card p{font-size:.82rem;}
@media(max-width:860px){.why-grid{grid-template-columns:1fr;}}
@media(max-width:520px){.why-cards{grid-template-columns:1fr;}}

/* ============ Section head ============ */
.section-head{max-width:640px;margin-bottom:28px;}
.section-head.center{max-width:100%;margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(1.5rem,2.8vw,2.1rem);color:var(--ink);margin-bottom:12px;}
.blog-head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;}

/* ============ Courses ============ */
.courses{padding:56px 0;background:var(--blue-50);}
.tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:34px;}
.tab{
  background:#fff;border:1px solid #E1EDF6;color:var(--muted);
  padding:11px 20px;border-radius:999px;font-size:.85rem;font-weight:500;transition:all .15s ease;
}
.tab.active, .tab:hover{background:var(--blue-600);color:#fff;border-color:var(--blue-600);}
.course-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px 18px;}
.course-card{
  display:block;background:#fff;border:1px solid #EAF1F7;border-radius:var(--radius);
  overflow:visible;box-shadow:var(--shadow-sm);transition:transform .18s ease, box-shadow .18s ease;
}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.course-media{
  height:112px;border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;background:var(--blue-50);
}
.course-media img{width:100%;height:100%;object-fit:cover;}
.course-body{position:relative;padding:26px 18px 20px;}
.course-icon{
  position:absolute;top:-24px;left:16px;
  width:48px;height:48px;border-radius:50%;background:#fff;color:var(--blue-600);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);
}
.course-icon svg{width:22px;height:22px;}
.course-card h3{font-size:.92rem;font-weight:700;color:var(--blue-700);line-height:1.4;margin-bottom:8px;}
.course-body p{font-size:.78rem;line-height:1.6;margin:0;padding-right:34px;}
.course-arrow{
  position:absolute;right:16px;bottom:16px;
  width:32px;height:32px;border-radius:50%;background:var(--blue-600);color:#fff;
  display:flex;align-items:center;justify-content:center;flex:none;
  transition:background .15s ease;
}
.course-card:hover .course-arrow{background:var(--blue-700);}
.course-arrow svg{width:15px;height:15px;}
.course-card[hidden]{display:none;}
@media(max-width:980px){.course-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.course-grid{grid-template-columns:1fr;}}

/* ============ Featured course ============ */
.featured-course{
  margin-top:32px;position:relative;overflow:hidden;
  background:linear-gradient(120deg, var(--navy-900) 0%, var(--blue-700) 100%);
  border-radius:var(--radius-lg);
  display:grid;grid-template-columns:1.2fr .8fr;align-items:center;
  padding:44px 48px;color:#fff;
}
.featured-copy h3{font-size:clamp(1.2rem,2.2vw,1.6rem);margin:12px 0 12px;color:#fff;}
.featured-copy p{color:#CFE3F2;max-width:44ch;margin-bottom:18px;}
.feature-tick-row{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:22px;}
.feature-tick-row li{display:flex;align-items:center;gap:9px;font-size:.85rem;color:#DDEEF9;}
.feature-tick-row li .chk{
  display:flex;align-items:center;justify-content:center;flex:none;
  width:20px;height:20px;border-radius:6px;
  background:rgba(127,214,196,.2);border:1px solid rgba(127,214,196,.4);
}
.feature-tick-row svg{width:12px;height:12px;stroke:#7FD6C4;stroke-width:3;}
.featured-media{position:relative;}
.featured-media img{border-radius:var(--radius);width:100%;height:280px;object-fit:cover;box-shadow:0 20px 40px rgba(0,0,0,.35);}
.featured-tag{
  position:absolute;top:44px;right:48px;background:var(--navy-950);color:#fff;
  padding:16px 18px;border-radius:var(--radius-sm);font-size:.78rem;font-weight:600;line-height:1.5;
  box-shadow:0 10px 24px rgba(0,0,0,.3);
}
@media(max-width:900px){
  .featured-course{grid-template-columns:1fr;padding:36px 26px;}
  .featured-tag{display:none;}
  .featured-media{margin-top:20px;}
}

/* ============ Observership ============ */
.observership{padding:56px 0;background:#fff;}
.observership-grid{display:grid;grid-template-columns:.8fr 1.2fr .55fr;gap:40px;align-items:center;}
.observership-media{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/5;}
.observership-media img{width:100%;height:100%;object-fit:cover;}
.play-overlay{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.92);
  display:flex;align-items:center;justify-content:center;border:none;color:var(--blue-600);
  box-shadow:0 8px 20px rgba(0,0,0,.25);
}
.play-overlay svg{width:20px;height:20px;stroke:none;fill:currentColor;margin-left:2px;}
.observership-copy h2{font-size:clamp(1.4rem,2.6vw,1.9rem);margin:6px 0 14px;color:var(--ink);}
.observership-copy p{max-width:44ch;margin-bottom:18px;}
.check-list{margin-bottom:22px;}
.check-list li{display:flex;align-items:center;gap:11px;margin-bottom:11px;font-size:.92rem;color:var(--ink);}
.check-list li .chk{
  display:flex;align-items:center;justify-content:center;flex:none;
  width:22px;height:22px;border-radius:7px;
  background:var(--blue-100);border:1px solid var(--blue-100);
}
.check-list svg{width:13px;height:13px;color:var(--blue-600);flex:none;stroke-width:3;}
.observership-note{
  background:var(--blue-50);border-radius:var(--radius);padding:24px 20px;
  color:var(--blue-700);font-weight:600;font-size:.92rem;line-height:1.5;
  display:flex;flex-direction:column;gap:10px;align-items:flex-start;
}
.observership-note svg{width:26px;height:26px;color:var(--blue-600);}
@media(max-width:980px){
  .observership-grid{grid-template-columns:1fr 1fr;}
  .observership-note{grid-column:1/-1;flex-direction:row;align-items:center;}
}
@media(max-width:640px){.observership-grid{grid-template-columns:1fr;}}

/* ============ Director ============ */
.director{padding:56px 0;background:var(--blue-50);}
.director-grid{display:grid;grid-template-columns:.7fr 1.3fr .75fr;gap:40px;align-items:center;}
.director-photo{border-radius:50% 50% 50% 8%/ 50% 50% 8% 50%;overflow:hidden;aspect-ratio:1/1;box-shadow:var(--shadow);}
.director-photo img{width:100%;height:100%;object-fit:cover;}
.director-copy h2{font-size:clamp(1.4rem,2.6vw,1.9rem);margin:6px 0 4px;color:var(--ink);}
.director-role{color:var(--blue-600);font-weight:600;font-size:.9rem;margin-bottom:14px;}
.director-copy p{max-width:48ch;margin-bottom:20px;}
.director-stats{display:flex;flex-direction:column;gap:20px;}
.dstat{display:flex;align-items:center;gap:12px;}
.dstat b{display:block;font-family:'Poppins',sans-serif;font-size:.98rem;color:var(--ink);}
.dstat span{font-size:.78rem;color:var(--muted);}
@media(max-width:980px){.director-grid{grid-template-columns:1fr;}
  .director-photo{max-width:260px;}
  .director-stats{flex-direction:row;flex-wrap:wrap;}
}

/* ============ Testimonials ============ */
.testimonials{padding:56px 0;position:relative;background:#fff;}
.testi-nav{position:absolute;top:78px;right:24px;display:flex;gap:8px;}
.testi-nav button{
  width:36px;height:36px;border-radius:50%;border:1px solid #E1EDF6;background:#fff;
  color:var(--blue-600);display:flex;align-items:center;justify-content:center;
}
.testi-nav button svg{width:15px;height:15px;}
.testi-nav button:hover{background:var(--blue-600);color:#fff;border-color:var(--blue-600);}
.testi-track{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.testi-card{background:#fff;border:1px solid #EAF1F7;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);}
.testi-card p{font-size:.92rem;color:var(--ink);margin-bottom:20px;}
.testi-person{display:flex;align-items:center;gap:12px;}
.testi-person img{width:42px;height:42px;border-radius:50%;object-fit:cover;}
.testi-person b{display:block;font-size:.88rem;color:var(--ink);}
.testi-person span{font-size:.76rem;color:var(--muted);}
@media(max-width:900px){.testi-track{grid-template-columns:1fr;}}

/* ============ Blog ============ */
.blog{padding:56px 0;background:var(--blue-50);}
.blog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.blog-card{background:#fff;border:1px solid #EAF1F7;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .18s ease;}
.blog-card:hover{transform:translateY(-4px);}
.blog-card img{width:100%;height:120px;object-fit:cover;}
.blog-card h3{font-size:.9rem;padding:16px 16px 8px;color:var(--ink);line-height:1.4;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--blue-600);font-weight:600;font-size:.85rem;padding:0 16px 16px;}
.link-arrow svg{width:14px;height:14px;}
@media(max-width:980px){.blog-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.blog-grid{grid-template-columns:1fr;}}

/* ============ CTA strip ============ */
.cta-strip{background:linear-gradient(120deg,var(--navy-900),var(--blue-700));padding:44px 0;}
.cta-inner{display:flex;align-items:center;gap:30px;flex-wrap:wrap;}
.cta-cert{flex:none;width:90px;height:68px;}
.cta-cert svg{width:100%;height:100%;}
.cta-copy{flex:1;min-width:240px;}
.cta-copy h2{color:#fff;font-size:clamp(1.2rem,2.2vw,1.6rem);margin-bottom:8px;}
.cta-copy p{color:#CFE3F2;max-width:50ch;}
.cta-inner .btn{flex:none;}

/* ============ Footer ============ */
.site-footer{background:linear-gradient(180deg,var(--navy-900) 0%, var(--navy-950) 100%);color:#B9CBDD;padding:60px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px;}
.logo-footer .logo-text{color:#fff;}
.footer-tagline{margin-top:14px;font-size:.82rem;color:#8FA8C0;}
.footer-col h4{color:#fff;font-family:'Poppins',sans-serif;font-size:.92rem;margin-bottom:16px;}
.footer-col a, .footer-address{display:block;font-size:.85rem;color:#B9CBDD;margin-bottom:10px;}
.footer-col a:hover{color:#fff;}
.footer-social{display:flex;gap:12px;margin-top:6px;}
.footer-social a{width:15px;height:15px;color:#B9CBDD;}
.footer-social svg{width:15px;height:15px;fill:currentColor;stroke:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.78rem;color:#8FA8C0;
}
.footer-legal{display:flex;gap:18px;}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr;}}