/* ============================================================
   SOLÈNE — Dermatology & Skin Science
   Mobile-first, lightweight, no frameworks.
   ============================================================ */

:root{
  --bg:        #F6F1EA;   /* warm ivory */
  --bg-2:      #EFE7DB;   /* deeper sand */
  --bg-3:      #EAE0D2;
  --ink:       #2C2620;   /* espresso */
  --ink-soft:  #6E655A;   /* muted body text */
  --line:      #E2D7C8;   /* hairline */
  --sage:      #7C876C;   /* botanical accent */
  --sage-deep: #5E684E;
  --clay:      #B98E76;   /* warm secondary */
  --white:     #FFFFFF;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --wrap: 1160px;
  --pad: 22px;
  --radius: 14px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*{ box-sizing:border-box; margin:0; padding:0; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  font-family:var(--sans);
  font-weight:300;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,video{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
h1,h2,h3{ font-family:var(--serif); font-weight:300; line-height:1.12; letter-spacing:.2px; }

.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding-left:var(--pad); padding-right:var(--pad); }

/* ---------- shared type ---------- */
.eyebrow{
  font-size:.72rem; letter-spacing:.28em; text-transform:uppercase;
  font-weight:500; color:var(--sage-deep);
}
.eyebrow.center{ text-align:center; }
.eyebrow.light{ color:rgba(255,255,255,.85); }

.section{ padding:74px 0; }
.section-title{
  font-size:clamp(1.9rem, 6vw, 3rem);
  margin:14px 0 0;
  color:var(--ink);
}
.section-title.center{ text-align:center; }
.section-title.light{ color:#fff; }
.section-lead{
  color:var(--ink-soft);
  font-size:1.02rem;
  margin-top:16px;
  max-width:46ch;
}
.section-lead.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-lead.light{ color:rgba(255,255,255,.9); }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:.5em;
  padding:14px 26px;
  border-radius:100px;
  font-family:var(--sans); font-size:.9rem; font-weight:500;
  letter-spacing:.02em;
  cursor:pointer; border:1px solid transparent;
  transition:transform .35s var(--ease), background .35s var(--ease), color .35s var(--ease), border-color .35s var(--ease);
  min-height:48px;
}
.btn-solid{ background:var(--sage-deep); color:#fff; }
.btn-solid:hover{ background:var(--ink); transform:translateY(-2px); }
.btn-ghost{ background:transparent; color:#fff; border-color:rgba(255,255,255,.55); }
.btn-ghost:hover{ background:rgba(255,255,255,.12); transform:translateY(-2px); }
.btn-line{ background:transparent; color:var(--ink); border-color:var(--ink); margin-top:26px; }
.btn-line:hover{ background:var(--ink); color:#fff; transform:translateY(-2px); }
.btn.full{ width:100%; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:60;
  transition:background .4s var(--ease), box-shadow .4s var(--ease), padding .4s var(--ease);
  padding:18px 0;
}
.site-header.scrolled{
  background:rgba(246,241,234,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 1px 0 var(--line);
  padding:12px 0;
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; }
.brand{ display:flex; flex-direction:column; line-height:1; }
.brand-mark{
  font-family:var(--serif); font-weight:400; font-size:1.5rem; letter-spacing:.04em;
  color:var(--ink);
}
.brand-sub{
  font-size:.56rem; letter-spacing:.24em; text-transform:uppercase;
  color:var(--ink-soft); margin-top:5px; font-weight:400;
}
/* hero state: header text light before scroll */
.site-header:not(.scrolled) .brand-mark{ color:#fff; }
.site-header:not(.scrolled) .brand-sub{ color:rgba(255,255,255,.8); }
.site-header:not(.scrolled) .nav-desktop a{ color:rgba(255,255,255,.92); }
.site-header:not(.scrolled) .nav-toggle span{ background:#fff; }

.nav-desktop{ display:none; }
.nav-desktop a{
  font-size:.86rem; font-weight:400; color:var(--ink); letter-spacing:.02em;
  padding:8px 2px; position:relative; transition:color .3s;
}
.nav-desktop a:not(.nav-cta)::after{
  content:""; position:absolute; left:0; bottom:2px; height:1px; width:0;
  background:currentColor; transition:width .35s var(--ease);
}
.nav-desktop a:not(.nav-cta):hover::after{ width:100%; }
.nav-cta{
  border:1px solid currentColor; padding:9px 20px !important; border-radius:100px;
  margin-left:8px;
}
.site-header.scrolled .nav-cta{ background:var(--sage-deep); color:#fff !important; border-color:var(--sage-deep); }

/* hamburger */
.nav-toggle{
  width:44px; height:44px; background:none; border:none; cursor:pointer;
  display:flex; flex-direction:column; justify-content:center; align-items:center; gap:6px;
}
.nav-toggle span{ display:block; width:24px; height:1.5px; background:var(--ink); transition:transform .35s var(--ease), opacity .3s; }
.nav-toggle.open span:nth-child(1){ transform:translateY(3.75px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ transform:translateY(-3.75px) rotate(-45deg); }
body.menu-open .site-header .nav-toggle span{ background:var(--ink); }
body.menu-open .site-header:not(.scrolled) .brand-mark{ color:var(--ink); }
body.menu-open .site-header:not(.scrolled) .brand-sub{ color:var(--ink-soft); }

/* mobile menu */
.mobile-menu{
  position:fixed; inset:0; z-index:55;
  background:var(--bg);
  padding:110px 30px 40px;
  display:flex; flex-direction:column; justify-content:space-between;
  transform:translateY(-100%); opacity:0; visibility:hidden;
  transition:transform .5s var(--ease), opacity .4s var(--ease), visibility .5s;
}
.mobile-menu.open{ transform:translateY(0); opacity:1; visibility:visible; }
.mobile-menu nav{ display:flex; flex-direction:column; gap:6px; }
.mobile-menu nav a{
  font-family:var(--serif); font-size:1.9rem; font-weight:300; color:var(--ink);
  padding:12px 0; border-bottom:1px solid var(--line);
}
.mobile-menu nav a.m-cta{ color:var(--sage-deep); border-bottom:none; margin-top:10px; }
.mobile-menu-foot a{ font-size:1rem; color:var(--ink-soft); letter-spacing:.04em; }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  min-height:100vh;
  min-height:100svh;
  display:flex; align-items:flex-end;
  padding-bottom:64px;
  overflow:hidden;
  background:#2b2721;
}
.hero-media{ position:absolute; inset:0; z-index:0; }
.hero-video{
  width:100%; height:100%; object-fit:cover; object-position:center 30%;
}
.hero-veil{
  position:absolute; inset:0;
  background:
    linear-gradient(to top, rgba(28,24,20,.78) 0%, rgba(28,24,20,.30) 42%, rgba(28,24,20,.12) 70%, rgba(28,24,20,.28) 100%);
}
.hero-content{ position:relative; z-index:2; color:#fff; }
.hero .eyebrow{ color:rgba(255,255,255,.88); }
.hero-title{
  font-size:clamp(2.4rem, 9vw, 4.6rem);
  font-weight:300; color:#fff; margin-top:16px;
  letter-spacing:.3px;
}
.hero-lead{
  margin-top:20px; max-width:32ch;
  color:rgba(255,255,255,.9); font-size:1.05rem;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:30px; }

.scroll-hint{
  position:absolute; bottom:22px; left:50%; transform:translateX(-50%); z-index:2;
  width:26px; height:42px; border:1px solid rgba(255,255,255,.5); border-radius:20px;
  display:flex; justify-content:center;
}
.scroll-hint span{
  width:3px; height:8px; border-radius:3px; background:rgba(255,255,255,.85); margin-top:8px;
  animation:scrolldot 1.8s var(--ease) infinite;
}
@keyframes scrolldot{ 0%{opacity:0; transform:translateY(-4px);} 40%{opacity:1;} 80%{opacity:0; transform:translateY(10px);} 100%{opacity:0;} }

/* ============================================================
   APPROACH
   ============================================================ */
.approach{ background:var(--bg); text-align:center; padding-top:88px; padding-bottom:88px; }
.approach-inner{ max-width:820px; margin:0 auto; }
.approach-statement{
  font-family:var(--serif); font-weight:300;
  font-size:clamp(1.35rem, 4.4vw, 2.1rem);
  line-height:1.42; color:var(--ink); margin-top:22px; letter-spacing:.2px;
}
.stats{
  display:grid; grid-template-columns:repeat(2,1fr); gap:30px 20px;
  margin-top:52px; padding-top:44px; border-top:1px solid var(--line);
}
.stat-num{
  display:block; font-family:var(--serif); font-weight:300;
  font-size:2.4rem; color:var(--sage-deep); line-height:1;
}
.stat-num i{ font-style:normal; font-size:1.3rem; color:var(--clay); margin-left:2px; }
.stat-label{ display:block; margin-top:8px; font-size:.78rem; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-soft); }

/* ============================================================
   TREATMENTS
   ============================================================ */
.treatments{ background:var(--bg-2); }
.treat-grid{ display:grid; gap:38px; }
.treat-media{ position:relative; border-radius:var(--radius); overflow:hidden; box-shadow:0 26px 60px -34px rgba(60,48,36,.6); }
.treat-media .media-video{ width:100%; aspect-ratio:4/3; object-fit:cover; }
.treat-list{ margin-top:30px; }
.treat-list li{ padding:22px 0; border-top:1px solid var(--line); }
.treat-list li:last-child{ border-bottom:1px solid var(--line); }
.treat-list h3{ font-size:1.28rem; font-weight:400; color:var(--ink); }
.treat-list p{ color:var(--ink-soft); margin-top:6px; font-size:.96rem; }

/* ============================================================
   DOCTOR
   ============================================================ */
.doctor{ background:var(--bg); }
.doctor-grid{ display:grid; gap:36px; }
.doctor-photo{ border-radius:var(--radius); overflow:hidden; box-shadow:0 30px 70px -38px rgba(60,48,36,.65); }
.doctor-photo img{ width:100%; height:auto; }
.doctor-role{ color:var(--sage-deep); font-weight:500; font-size:.82rem; letter-spacing:.12em; text-transform:uppercase; margin-top:14px; }
.cred-chips{ display:flex; flex-wrap:wrap; gap:10px; margin-top:26px; }
.cred-chips li{
  font-size:.78rem; letter-spacing:.04em; color:var(--ink-soft);
  border:1px solid var(--line); background:var(--white);
  padding:8px 15px; border-radius:100px;
}

/* ============================================================
   CLINIC
   ============================================================ */
.clinic{ padding:0; }
.clinic-media{ position:relative; min-height:74vh; display:flex; align-items:center; overflow:hidden; background:#241f1a; }
.clinic-media .media-video{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:0;
}
.clinic-veil{
  position:absolute; inset:0; z-index:1;
  background:linear-gradient(to right, rgba(24,20,16,.82) 0%, rgba(24,20,16,.55) 48%, rgba(24,20,16,.25) 100%);
}
.clinic-copy{ position:relative; z-index:2; padding-top:70px; padding-bottom:70px; max-width:620px; }

/* ============================================================
   RESULTS
   ============================================================ */
.results{ background:var(--bg-3); }
.results-grid{ display:grid; gap:38px; }
.results-media{ border-radius:var(--radius); overflow:hidden; box-shadow:0 26px 60px -34px rgba(60,48,36,.55); }
.results-media .media-video{ width:100%; aspect-ratio:1/1; object-fit:cover; }
.quote{ margin-top:26px; padding-left:20px; border-left:2px solid var(--clay); }
.quote blockquote{ font-family:var(--serif); font-weight:300; font-size:1.24rem; line-height:1.5; color:var(--ink); }
.quote figcaption{ margin-top:10px; font-size:.82rem; letter-spacing:.06em; color:var(--ink-soft); text-transform:uppercase; }
.trust-row{ display:flex; flex-wrap:wrap; gap:10px; margin-top:34px; }
.trust-row li{
  font-size:.76rem; letter-spacing:.08em; text-transform:uppercase; color:var(--sage-deep);
  background:var(--white); border:1px solid var(--line); padding:9px 16px; border-radius:100px;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{ background:var(--bg); }
.contact-lead{ margin-bottom:12px; }
.contact-cols{ display:grid; gap:40px; margin-top:44px; }
.contact-form{ display:flex; flex-direction:column; gap:18px; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ font-size:.78rem; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-soft); }
.field input, .field textarea{
  font-family:var(--sans); font-size:1rem; color:var(--ink);
  background:var(--white); border:1px solid var(--line); border-radius:12px;
  padding:14px 16px; transition:border-color .3s, box-shadow .3s; width:100%;
}
.field textarea{ resize:vertical; }
.field input:focus, .field textarea:focus{
  outline:none; border-color:var(--sage); box-shadow:0 0 0 3px rgba(124,135,108,.15);
}
.form-note{ font-size:.86rem; color:var(--sage-deep); min-height:1em; }

.contact-details{ display:grid; grid-template-columns:1fr; gap:24px; align-content:start; padding-top:6px; }
.cd-block h3{ font-family:var(--sans); font-size:.72rem; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-soft); font-weight:500; margin-bottom:6px; }
.cd-block a, .cd-block p{ color:var(--ink); font-size:1rem; }
.cd-block a{ transition:color .3s; overflow-wrap:anywhere; }
.cd-block a:hover{ color:var(--sage-deep); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{ background:var(--ink); color:#e9e1d6; padding:56px 0 26px; }
.footer-inner{ display:grid; gap:30px; }
.footer-brand .brand-mark{ color:#fff; font-size:1.6rem; }
.footer-brand .brand-sub{ color:rgba(255,255,255,.6); display:block; margin-top:6px; }
.footer-nav{ display:flex; flex-wrap:wrap; gap:16px 22px; }
.footer-nav a{ font-size:.88rem; color:rgba(255,255,255,.82); transition:color .3s; }
.footer-nav a:hover{ color:#fff; }
.footer-contact{ display:flex; flex-direction:column; gap:8px; }
.footer-contact a{ font-size:.92rem; color:rgba(255,255,255,.82); }
.footer-contact a:hover{ color:#fff; }
.footer-base{
  margin-top:40px; padding-top:22px; border-top:1px solid rgba(255,255,255,.12);
  display:flex; flex-direction:column; gap:6px;
}
.footer-base p{ font-size:.78rem; color:rgba(255,255,255,.5); letter-spacing:.03em; }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .9s var(--ease), transform .9s var(--ease); will-change:opacity, transform; }
.reveal.in{ opacity:1; transform:none; }

/* ============================================================
   RESPONSIVE — TABLET & DESKTOP
   ============================================================ */
@media (min-width:600px){
  .stats{ grid-template-columns:repeat(4,1fr); }
}

@media (min-width:760px){
  :root{ --pad:34px; }
  .section{ padding:100px 0; }

  .treat-grid{ grid-template-columns:1fr 1fr; align-items:center; gap:56px; }
  .doctor-grid{ grid-template-columns:.9fr 1.1fr; align-items:center; gap:56px; }
  .results-grid{ grid-template-columns:1fr 1fr; align-items:center; gap:56px; }
  .contact-cols{ grid-template-columns:1.15fr .85fr; gap:56px; }

  .footer-inner{ grid-template-columns:1.2fr 1fr 1fr; align-items:start; }
  .footer-base{ flex-direction:row; justify-content:space-between; }
  .hero{ padding-bottom:80px; }
  .hero-video{ object-position:center 25%; }
}

@media (min-width:940px){
  .nav-desktop{ display:flex; align-items:center; gap:30px; }
  .nav-toggle{ display:none; }
  .mobile-menu{ display:none; }
  .section{ padding:118px 0; }
  .clinic-media{ min-height:82vh; }
}

/* larger doctor image cap so it doesn't dominate on wide screens */
@media (min-width:760px){
  .doctor-photo{ max-width:440px; }
}

/* ============================================================
   MOTION / ACCESSIBILITY
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *{ animation:none !important; scroll-behavior:auto !important; }
  .reveal{ opacity:1; transform:none; transition:none; }
}