/* ============================================================
   SERENE SPA — STYLESHEET (Light Theme)
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Plus Jakarta Sans', sans-serif; background: var(--bg); color: var(--text); line-height: 1.65; overflow-x: hidden; }

/* SCROLL PROGRESS */
.scroll-progress { position: fixed; top: 0; left: 0; height: 2px; width: 0%; background: var(--primary); z-index: 9999; transition: width .1s linear; }

/* NAVBAR */
.navbar { position: sticky; top: 0; z-index: 1000; background: rgba(250,248,244,0.92); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); transition: background .3s, box-shadow .3s; }
.navbar.scrolled { box-shadow: 0 2px 20px rgba(107,143,113,.08); }
.navbar-inner { max-width: 1280px; margin: 0 auto; padding: 0 32px; height: 70px; display: flex; align-items: center; gap: 32px; }
.navbar-logo { display: flex; align-items: baseline; gap: 6px; text-decoration: none; flex-shrink: 0; }
.logo-main { font-family: 'Cormorant Garamond', serif; font-size: 1.4rem; font-weight: 700; letter-spacing: 4px; color: var(--text); text-transform: uppercase; }
.logo-sub { font-family: 'Plus Jakarta Sans', sans-serif; font-size: .56rem; font-weight: 600; letter-spacing: 2.5px; color: var(--primary); text-transform: uppercase; }
.navbar-links { display: flex; list-style: none; gap: 4px; flex: 1; justify-content: center; }
.navbar-links a { color: var(--text-muted); text-decoration: none; font-size: .78rem; font-weight: 500; letter-spacing: .5px; padding: 6px 14px; border-radius: 6px; transition: color .2s, background .2s; }
.navbar-links a:hover { color: var(--primary); background: var(--surface); }
.btn-nav-cta { background: var(--primary); color: #fff; border: none; padding: 9px 22px; border-radius: 8px; font-size: .78rem; font-weight: 600; letter-spacing: .5px; text-transform: uppercase; cursor: pointer; text-decoration: none; transition: background .2s, transform .15s; white-space: nowrap; flex-shrink: 0; }
.btn-nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; flex-shrink: 0; }
.hamburger span { display: block; width: 22px; height: 1.5px; background: var(--text); border-radius: 1px; transition: all .3s; }
@media (max-width: 900px) {
  .navbar-links { display: none; position: absolute; top: 70px; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--border); flex-direction: column; padding: 16px 24px; gap: 4px; box-shadow: 0 8px 24px rgba(0,0,0,.06); }
  .navbar-links.open { display: flex; }
  .navbar-links li a { display: block; padding: 10px 14px; }
  .hamburger { display: flex; }
  .btn-nav-cta { display: none; }
}

/* HERO — split layout */
.hero { display: grid; grid-template-columns: 1fr 1fr; min-height: 100vh; padding-top: 70px; }
.hero-image-col { position: relative; overflow: hidden; }
.hero-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-text-col { display: flex; flex-direction: column; justify-content: center; padding: 80px 64px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: .67rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--primary); background: var(--primary-glow); border: 1px solid rgba(107,143,113,.2); padding: 6px 16px; border-radius: 4px; margin-bottom: 24px; }
.hero-headline { font-family: 'Cormorant Garamond', serif; font-size: clamp(3rem, 5.5vw, 5.5rem); font-weight: 700; line-height: 1.05; color: var(--text); margin-bottom: 20px; }
.hero-headline em { color: var(--primary); font-style: italic; }
.hero-sub { font-size: .94rem; color: var(--text-muted); line-height: 1.85; max-width: 480px; margin-bottom: 36px; font-weight: 300; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.btn-primary { background: var(--primary); color: #fff; padding: 13px 28px; border-radius: 8px; font-size: .84rem; font-weight: 600; letter-spacing: .5px; text-transform: uppercase; text-decoration: none; display: inline-flex; align-items: center; gap: 10px; transition: background .2s, transform .15s, box-shadow .2s; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(107,143,113,.3); }
.btn-secondary { background: #fff; color: var(--text); padding: 13px 26px; border-radius: 8px; font-size: .84rem; font-weight: 500; letter-spacing: .5px; text-transform: uppercase; text-decoration: none; border: 1px solid var(--border); transition: border-color .2s, color .2s; }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.hero-stat { padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
.hero-stat .val { font-family: 'Cormorant Garamond', serif; font-size: 2rem; font-weight: 700; color: var(--primary); display: block; line-height: 1; }
.hero-stat .lbl { font-size: .68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; } .hero-image-col { height: 60vw; } .hero-text-col { padding: 52px 32px; } }
@media (max-width: 560px) { .hero-text-col { padding: 40px 20px; } .hero-stats { grid-template-columns: 1fr 1fr; } }

/* TRUST BAR */
.trust-bar { background: var(--surface-solid); border-bottom: 1px solid var(--border); }
.trust-bar-inner { max-width: 1280px; margin: 0 auto; padding: 16px 32px; display: flex; justify-content: center; flex-wrap: wrap; gap: 28px; }
.trust-item { display: flex; align-items: center; gap: 7px; font-size: .73rem; color: var(--text-muted); font-weight: 500; letter-spacing: .3px; }
.trust-item svg { color: var(--primary); flex-shrink: 0; }

/* SECTION COMMONS */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-card); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.section-header { text-align: center; margin-bottom: 52px; }
.section-header .eyebrow { margin-bottom: 16px; }
.section-headline { font-family: 'Cormorant Garamond', serif; font-size: clamp(2rem, 4vw, 3.4rem); font-weight: 700; color: var(--text); margin-bottom: 16px; line-height: 1.1; }
.section-sub { color: var(--text-muted); font-size: .94rem; line-height: 1.85; max-width: 600px; margin: 0 auto; font-weight: 300; }

/* FILTER BAR */
.filter-bar { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn { background: none; border: 1px solid var(--border); color: var(--text-muted); padding: 7px 20px; border-radius: 100px; font-size: .78rem; font-weight: 600; cursor: pointer; font-family: inherit; transition: all .2s; }
.filter-btn:hover { border-color: var(--primary); color: var(--primary); }
.filter-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* TREATMENTS */
.treatments-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.treatment-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 26px; transition: border-color .3s, transform .2s, box-shadow .2s; }
.treatment-card:hover { border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(107,143,113,.1); }
.treatment-card.hidden { display: none; }
.treatment-cat { font-size: .65rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--primary); margin-bottom: 12px; }
.treatment-icon { width: 44px; height: 44px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--primary); margin-bottom: 14px; }
.treatment-card h3 { font-family: 'Cormorant Garamond', serif; font-size: 1.15rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.treatment-card p { font-size: .82rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 18px; font-weight: 300; }
.treatment-footer { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.treatment-duration { display: flex; align-items: center; gap: 5px; font-size: .73rem; color: var(--text-muted); }
.treatment-duration svg { color: var(--primary); }
.treatment-price { font-family: 'Cormorant Garamond', serif; font-size: 1.1rem; font-weight: 700; color: var(--primary); }
@media (max-width: 1200px) { .treatments-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .treatments-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .treatments-grid { grid-template-columns: 1fr; } }

/* EXPERIENCE */
.experience-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.experience-image { position: relative; border-radius: 16px; overflow: hidden; aspect-ratio: 4/5; }
.experience-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.experience-badge { position: absolute; bottom: 20px; left: 20px; background: rgba(250,248,244,.95); border: 1px solid var(--border); color: var(--primary); font-size: .74rem; font-weight: 600; padding: 8px 16px; border-radius: 6px; display: flex; align-items: center; gap: 6px; }
.experience-highlights { display: flex; flex-direction: column; gap: 20px; }
.exp-highlight { display: flex; gap: 16px; }
.exp-icon { width: 44px; height: 44px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--primary); flex-shrink: 0; }
.exp-highlight strong { font-size: .9rem; color: var(--text); display: block; margin-bottom: 4px; font-weight: 600; }
.exp-highlight p { font-size: .84rem; color: var(--text-muted); line-height: 1.7; font-weight: 300; }
@media (max-width: 900px) { .experience-layout { grid-template-columns: 1fr; gap: 40px; } }

/* THERAPISTS */
.therapists-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.therapist-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; overflow: hidden; transition: transform .3s, box-shadow .3s; }
.therapist-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(107,143,113,.12); }
.therapist-img { height: 220px; overflow: hidden; }
.therapist-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; filter: saturate(0.9); }
.therapist-card:hover .therapist-img img { transform: scale(1.04); filter: saturate(1); }
.therapist-body { padding: 22px; }
.therapist-name { font-family: 'Cormorant Garamond', serif; font-size: 1.15rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.therapist-title { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--primary); margin-bottom: 12px; }
.therapist-bio { font-size: .81rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; font-weight: 300; }
.therapist-skills { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 16px; }
.skill-tag { font-size: .67rem; font-weight: 600; color: var(--primary); background: var(--primary-glow); border: 1px solid rgba(107,143,113,.2); padding: 3px 8px; border-radius: 4px; }
.btn-book-therapist { display: block; text-align: center; border: 1px solid var(--primary); color: var(--primary); padding: 9px; border-radius: 8px; font-size: .77rem; font-weight: 600; letter-spacing: .5px; text-transform: uppercase; text-decoration: none; transition: background .2s, color .2s; }
.btn-book-therapist:hover { background: var(--primary); color: #fff; }
@media (max-width: 1200px) { .therapists-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .therapists-grid { grid-template-columns: 1fr; } }

/* TESTIMONIALS */
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 32px; }
.quote-mark { font-family: 'Cormorant Garamond', serif; font-size: 5rem; color: var(--primary); line-height: .5; opacity: .25; margin-bottom: 20px; }
.quote-body { font-size: .89rem; color: var(--text-muted); line-height: 1.85; margin-bottom: 24px; font-style: italic; font-weight: 300; }
.quote-footer { display: flex; align-items: center; gap: 12px; }
.quote-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 2px solid var(--border); }
.author-name { font-size: .88rem; font-weight: 600; color: var(--text); }
.author-treatment { font-size: .74rem; color: var(--primary); font-weight: 500; margin-top: 2px; }
@media (max-width: 900px) { .testimonials-grid { grid-template-columns: 1fr; } }

/* MEMBERSHIP */
.membership-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.plan-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 36px 32px; position: relative; transition: transform .3s, box-shadow .3s; }
.plan-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(107,143,113,.1); }
.plan-card.plan-featured { background: var(--primary); border-color: transparent; }
.plan-card.plan-featured .plan-name,
.plan-card.plan-featured .plan-price { color: #fff; }
.plan-card.plan-featured .plan-desc,
.plan-card.plan-featured .plan-period,
.plan-card.plan-featured .plan-list li { color: rgba(255,255,255,.8); }
.plan-card.plan-featured .plan-list li svg { color: #fff; }
.plan-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; font-size: .67rem; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase; padding: 4px 16px; border-radius: 100px; white-space: nowrap; }
.plan-name { font-family: 'Cormorant Garamond', serif; font-size: 1.6rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.plan-desc { font-size: .84rem; color: var(--text-muted); margin-bottom: 20px; font-weight: 300; line-height: 1.6; }
.plan-price-wrap { display: flex; align-items: baseline; gap: 6px; margin-bottom: 24px; }
.plan-price { font-family: 'Cormorant Garamond', serif; font-size: 2.8rem; font-weight: 700; color: var(--text); }
.plan-period { font-size: .78rem; color: var(--text-muted); }
.plan-list { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.plan-list li { display: flex; align-items: flex-start; gap: 10px; font-size: .86rem; color: var(--text-muted); line-height: 1.5; font-weight: 300; }
.plan-list li svg { flex-shrink: 0; color: var(--primary); margin-top: 2px; }
.plan-cta { display: block; text-align: center; background: var(--primary); color: #fff; padding: 12px; border-radius: 8px; font-size: .82rem; font-weight: 600; letter-spacing: .5px; text-transform: uppercase; text-decoration: none; transition: background .2s; }
.plan-cta:hover { background: var(--primary-dark); }
.plan-cta-featured { background: #fff; color: var(--primary); }
.plan-cta-featured:hover { background: rgba(255,255,255,.9); }
@media (max-width: 900px) { .membership-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; } }

/* GIFTS */
.gifts-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.gift-options { display: flex; flex-wrap: wrap; gap: 10px; }
.gift-btn { background: #fff; border: 1px solid var(--border); color: var(--text); padding: 10px 22px; border-radius: 8px; font-size: .86rem; font-weight: 500; cursor: pointer; font-family: inherit; transition: border-color .2s, color .2s; }
.gift-btn:hover, .gift-btn.selected { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.gifts-card { display: flex; justify-content: center; }
.gift-card-visual { width: 340px; height: 200px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); border-radius: 16px; padding: 28px; display: flex; flex-direction: column; justify-content: space-between; box-shadow: 0 20px 60px rgba(107,143,113,.3); }
.gift-card-logo { font-family: 'Cormorant Garamond', serif; font-size: 1.6rem; font-weight: 700; color: rgba(255,255,255,.9); letter-spacing: 4px; text-transform: uppercase; }
.gift-card-amount { font-family: 'Cormorant Garamond', serif; font-size: 3rem; font-weight: 700; color: #fff; line-height: 1; }
.gift-card-label { font-size: .72rem; color: rgba(255,255,255,.7); letter-spacing: 1px; text-transform: uppercase; }
@media (max-width: 900px) { .gifts-layout { grid-template-columns: 1fr; gap: 40px; } .gifts-card { justify-content: flex-start; } }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.faq-q { width: 100%; text-align: left; padding: 20px 24px; background: none; border: none; color: var(--text); font-size: .92rem; font-weight: 500; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-family: inherit; transition: color .2s; }
.faq-q:hover { color: var(--primary); }
.faq-chevron { flex-shrink: 0; transition: transform .3s; color: var(--text-muted); }
.faq-item.open .faq-chevron { transform: rotate(180deg); color: var(--primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-a-inner { padding: 0 24px 20px; font-size: .87rem; color: var(--text-muted); line-height: 1.85; font-weight: 300; }

/* BOOKING */
.booking-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 80px; align-items: start; }
.booking-info { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; gap: 16px; }
.contact-icon { width: 46px; height: 46px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--primary); flex-shrink: 0; }
.contact-label { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); margin-bottom: 4px; }
.contact-val { font-size: .88rem; color: var(--text); line-height: 1.6; font-weight: 400; }
.map-placeholder { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; height: 160px; display: flex; align-items: center; justify-content: center; gap: 10px; color: var(--text-muted); font-size: .84rem; cursor: pointer; transition: border-color .2s; }
.map-placeholder:hover { border-color: var(--primary); color: var(--primary); }
.booking-form { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 40px; box-shadow: 0 4px 24px rgba(107,143,113,.06); }
.form-title { font-family: 'Cormorant Garamond', serif; font-size: 1.8rem; font-weight: 700; color: var(--text); margin-bottom: 28px; }
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-muted); margin-bottom: 8px; }
.form-input, .form-select, .form-textarea { width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px; color: var(--text); font-size: .9rem; font-family: inherit; font-weight: 300; transition: border-color .2s, box-shadow .2s; }
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.form-select option { background: #fff; }
.form-textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.btn-form { width: 100%; background: var(--primary); color: #fff; border: none; padding: 14px; border-radius: 8px; font-size: .86rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; cursor: pointer; font-family: inherit; transition: background .2s; margin-top: 6px; }
.btn-form:hover { background: var(--primary-dark); }
@media (max-width: 900px) { .booking-layout { grid-template-columns: 1fr; gap: 40px; } }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

/* FOOTER */
.site-footer { background: var(--surface-solid); border-top: 1px solid var(--border); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-logo { font-family: 'Cormorant Garamond', serif; font-size: 1.3rem; font-weight: 700; text-transform: uppercase; letter-spacing: 3px; color: var(--text); margin-bottom: 12px; }
.footer-logo-sub { font-family: 'Plus Jakarta Sans', sans-serif; font-size: .54rem; letter-spacing: 3px; color: var(--primary); margin-left: 6px; display: inline-block; vertical-align: middle; }
.footer-brand p { font-size: .84rem; color: var(--text-muted); line-height: 1.8; margin-bottom: 24px; max-width: 280px; font-weight: 300; }
.footer-social { display: flex; gap: 10px; }
.social-btn { width: 36px; height: 36px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--text-muted); text-decoration: none; transition: color .2s, border-color .2s; }
.social-btn:hover { color: var(--primary); border-color: var(--primary); }
.footer-col h5 { font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--text-muted); margin-bottom: 16px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: var(--text-muted); text-decoration: none; font-size: .84rem; font-weight: 300; transition: color .2s; }
.footer-col a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-bottom p { font-size: .74rem; color: var(--text-dim); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* BACK TO TOP */
.back-to-top { position: fixed; bottom: 28px; right: 28px; width: 44px; height: 44px; background: var(--primary); color: #fff; border: none; border-radius: 8px; cursor: pointer; display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s; z-index: 900; }
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-3px); }

/* REVEAL */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
[data-reveal].revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal], .btn-primary, .treatment-card, .therapist-card { transition: none; } }