/* =========================================
   V4b: COMPLETE DESIGN SYSTEM
   Multi-page site with sub-page layouts
========================================== */

:root {
    --cream:       #FAF7F2;
    --cream-dark:  #F0EBE3;
    --sage:        #5B7B6A;
    --sage-light:  #E8F0EC;
    --sage-deep:   #3D5A4C;
    --charcoal:    #2C2C2C;
    --text:        #3A3A3A;
    --text-light:  #777777;
    --white:       #FFFFFF;
    --accent:      #8B6E4E;

    --serif: 'Cormorant Garamond', Georgia, serif;
    --sans:  'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    --ease:       cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --radius:     16px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--sans);
    background: var(--cream);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* =========================================
   BRAND
========================================== */
.brand { display: flex; align-items: baseline; gap: 6px; }
.brand-atharva {
    font-family: var(--serif);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--sage-deep);
    letter-spacing: -0.02em;
}
.brand-dental {
    font-family: var(--sans);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
}

/* =========================================
   ANIMATIONS
========================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.2s; }

/* =========================================
   NAVIGATION
========================================== */
#navbar {
    position: fixed; top: 0; width: 100%; z-index: 100;
    background: rgba(250, 247, 242, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.nav-inner {
    display: flex; align-items: center; justify-content: space-between; height: 68px;
}
.nav-links a {
    font-size: 0.9rem; color: var(--text-light); margin: 0 20px;
    font-weight: 500; transition: color 0.3s;
}
.nav-links a:hover { color: var(--sage); }
.nav-cta {
    font-size: 0.85rem; font-weight: 600; color: var(--sage);
    border: 1.5px solid var(--sage); padding: 7px 18px;
    border-radius: 30px; transition: all 0.3s;
}
.nav-cta:hover { background: var(--sage); color: var(--white); }

/* =========================================
   BUTTONS
========================================== */
.btn {
    display: inline-block; padding: 14px 28px; border-radius: 30px;
    font-size: 0.95rem; font-weight: 600; transition: all 0.3s var(--ease);
}
.btn.filled { background: var(--sage); color: var(--white); }
.btn.filled:hover {
    background: var(--sage-deep); transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(91, 123, 106, 0.3);
}
.btn.ghost { color: var(--sage); }
.btn.ghost:hover { color: var(--sage-deep); }

/* =========================================
   HERO (Homepage)
========================================== */
.hero { padding-top: 130px; padding-bottom: 80px; background: var(--cream); }
.hero-layout { display: flex; align-items: center; gap: 64px; }
.hero-text { flex: 1.1; }
.hero-image { flex: 1; }
.eyebrow {
    font-size: 0.85rem; font-weight: 500; color: var(--sage);
    letter-spacing: 0.03em; margin-bottom: 20px;
}
.hero h1 {
    font-family: var(--serif);
    font-size: clamp(2.6rem, 5vw, 4.2rem);
    line-height: 1.12; color: var(--charcoal);
    margin-bottom: 24px; font-weight: 500;
}
.hero-body {
    font-size: 1.05rem; color: var(--text-light);
    max-width: 520px; margin-bottom: 36px; line-height: 1.75;
}
.hero-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.hero-image img {
    border-radius: 24px; object-fit: cover;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

/* =========================================
   STORY
========================================== */
.story-section { padding: 100px 0; background: var(--white); }
.story-layout { display: flex; align-items: flex-start; gap: 80px; }
.story-highlight {
    flex-shrink: 0; display: flex; flex-direction: column;
    align-items: center; text-align: center;
    padding: 48px 40px; background: var(--sage-light); border-radius: 24px;
}
.big-number { font-family: var(--serif); font-size: 6rem; line-height: 1; color: var(--sage); font-weight: 500; }
.big-label { font-size: 1rem; color: var(--text-light); margin-top: 8px; line-height: 1.4; }
.story-text { flex: 1; }
.story-text h2 {
    font-family: var(--serif); font-size: clamp(2rem, 4vw, 3rem);
    color: var(--charcoal); margin-bottom: 24px; line-height: 1.2; font-weight: 500;
}
.story-text p { font-size: 1.05rem; color: var(--text-light); margin-bottom: 20px; line-height: 1.75; }

/* =========================================
   TREATMENTS — EDITORIAL LIST
========================================== */
.treatments-section { padding: 100px 0; background: var(--cream); }
.section-head { margin-bottom: 56px; }
.section-head h2 {
    font-family: var(--serif); font-size: clamp(2rem, 4vw, 3rem);
    color: var(--charcoal); font-weight: 500;
}
.section-head p { font-size: 1.05rem; color: var(--text-light); line-height: 1.7; margin-top: 12px; }
.treatment-list { border-top: 1px solid rgba(0,0,0,0.08); }
.treatment-item {
    display: flex; align-items: flex-start; gap: 32px;
    padding: 40px 0; border-bottom: 1px solid rgba(0,0,0,0.08);
    transition: background 0.4s var(--ease), padding 0.4s var(--ease);
    color: inherit;
}
.treatment-item:hover {
    background: rgba(91, 123, 106, 0.03);
    padding-left: 16px; padding-right: 16px;
    margin-left: -16px; margin-right: -16px; border-radius: 12px;
}
a.treatment-item { cursor: pointer; }
a.treatment-item .treatment-body h3::after {
    content: ' →'; opacity: 0; transition: opacity 0.3s;
}
a.treatment-item:hover .treatment-body h3::after { opacity: 1; }
.treatment-number {
    font-family: var(--serif); font-size: 1.2rem; color: var(--sage);
    opacity: 0.5; min-width: 40px; padding-top: 4px;
}
.treatment-body { flex: 1; }
.treatment-body h3 {
    font-family: var(--serif); font-size: 1.8rem; color: var(--charcoal);
    margin-bottom: 12px; font-weight: 500; transition: color 0.3s;
}
.treatment-item:hover .treatment-body h3 { color: var(--sage-deep); }
.treatment-body p { font-size: 0.95rem; color: var(--text-light); line-height: 1.75; max-width: 600px; }
.treatment-tag {
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.1em; color: var(--sage); background: var(--sage-light);
    padding: 5px 14px; border-radius: 20px; white-space: nowrap; margin-top: 4px;
}

/* DYNAMIC REVIEWS */
.reviews-dynamic { padding: 100px 0; background: var(--white); }
.trustindex-container { margin-top: 48px; min-height: 200px; }
.text-center { text-align: center; }

/* =========================================
   REVIEWS PREVIEW (Homepage)
========================================== */
.reviews-preview { padding: 80px 0; background: var(--white); }
.reviews-preview-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px; margin-bottom: 32px;
}
.review-preview-card {
    background: var(--cream); padding: 32px; border-radius: var(--radius);
    border: none; font-style: normal;
}
.review-preview-card p {
    font-size: 1rem; color: var(--text); line-height: 1.7;
    margin-bottom: 16px; font-style: italic;
}
.review-preview-card .review-stars { color: var(--accent); font-size: 0.9rem; }
.reviews-preview-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* =========================================
   TRUST STRIP
========================================== */
.trust-strip { padding: 60px 0; background: var(--sage-light); }
.trust-flex {
    display: flex; justify-content: center; align-items: center;
    gap: 56px; flex-wrap: wrap; text-align: center;
}
.trust-item { display: flex; flex-direction: column; }
.trust-number { font-family: var(--serif); font-size: 2.2rem; color: var(--sage-deep); font-weight: 500; }
.trust-label { font-size: 0.85rem; color: var(--text-light); margin-top: 4px; }
.trust-divider { width: 1px; height: 48px; background: rgba(0,0,0,0.1); }

/* =========================================
   VISIT / CONTACT
========================================== */
.visit-section { padding: 100px 0; background: var(--white); }
.visit-layout { display: flex; gap: 64px; align-items: flex-start; }
.visit-info { flex: 1; }
.visit-map { flex: 1.1; min-height: 420px; }
.visit-info h2 {
    font-family: var(--serif); font-size: 2.5rem;
    color: var(--charcoal); margin-bottom: 24px; font-weight: 500;
}
.visit-address { font-size: 1.1rem; color: var(--text-light); margin-bottom: 32px; line-height: 1.7; }
.visit-detail { margin-bottom: 24px; }
.visit-detail strong { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--sage); }
.visit-detail p { margin-top: 4px; font-size: 1rem; color: var(--text-light); }
.visit-detail a { color: var(--sage); font-weight: 600; }
.visit-buttons { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.visit-map iframe { border-radius: var(--radius); box-shadow: 0 12px 40px rgba(0,0,0,0.08); }

/* =========================================
   FOOTER
========================================== */
footer { padding: 48px 0; background: var(--charcoal); color: rgba(255,255,255,0.5); text-align: center; }
.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 20px;
}
.footer-socials {
    display: flex;
    gap: 12px;
}
.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    color: rgba(255,255,255,0.6);
    transition: all 0.3s var(--ease);
}
.social-icon:hover {
    background: var(--sage);
    color: var(--white);
    transform: translateY(-3px);
}
.icon-circle {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* =========================================
   SUB-PAGE STYLES
========================================== */

/* Page Hero (treatment pages) */
.page-hero { padding: 130px 0 60px; background: var(--cream); }
.breadcrumb { font-size: 0.85rem; color: var(--sage); margin-bottom: 24px; display: inline-block; }
.breadcrumb:hover { color: var(--sage-deep); }
.page-hero h1 {
    font-family: var(--serif); font-size: clamp(2.4rem, 5vw, 3.8rem);
    line-height: 1.12; color: var(--charcoal); margin-bottom: 24px; font-weight: 500;
}
.page-intro { font-size: 1.15rem; color: var(--text-light); max-width: 650px; line-height: 1.75; }

/* Content Layout (Article + Sidebar) */
.page-content { padding: 60px 0 80px; background: var(--white); }
.content-layout { display: flex; gap: 64px; align-items: flex-start; }
.content-main { flex: 1.4; }
.content-sidebar { flex: 0.6; position: sticky; top: 100px; }

.content-main h2 {
    font-family: var(--serif); font-size: 1.8rem;
    color: var(--charcoal); margin: 40px 0 16px; font-weight: 500;
}
.content-main h2:first-child { margin-top: 0; }
.content-main h3 {
    font-family: var(--serif); font-size: 1.4rem;
    color: var(--charcoal); margin: 28px 0 12px; font-weight: 500;
}
.content-main p { color: var(--text-light); line-height: 1.8; margin-bottom: 16px; }
.content-main ul, .content-main ol {
    margin: 16px 0; padding-left: 24px; color: var(--text-light); line-height: 1.8;
}
.content-main li { margin-bottom: 8px; }

/* Sidebar */
.sidebar-card {
    background: var(--cream); padding: 28px; border-radius: var(--radius); margin-bottom: 24px;
}
.sidebar-card h4 {
    font-family: var(--serif); font-size: 1.2rem;
    color: var(--charcoal); margin-bottom: 20px; font-weight: 500;
}
.fact {
    display: flex; justify-content: space-between; padding: 10px 0;
    border-bottom: 1px solid rgba(0,0,0,0.06); font-size: 0.9rem;
}
.fact strong { color: var(--text); }
.fact span { color: var(--text-light); }
.fact:last-child { border-bottom: none; }

.sidebar-cta {
    background: var(--sage-light); padding: 28px; border-radius: var(--radius);
}
.sidebar-cta h4 {
    font-family: var(--serif); font-size: 1.2rem;
    color: var(--sage-deep); margin-bottom: 8px; font-weight: 500;
}
.sidebar-cta p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 16px; }
.sidebar-cta .btn { display: block; text-align: center; margin-bottom: 8px; }

/* FAQ Section */
.faq-section { padding: 80px 0; background: var(--cream); }
.faq-section h2 {
    font-family: var(--serif); font-size: 2rem;
    color: var(--charcoal); margin-bottom: 32px; font-weight: 500;
}
.faq-list { max-width: 800px; }
.faq-item {
    border-bottom: 1px solid rgba(0,0,0,0.08); padding: 20px 0;
}
.faq-item summary {
    font-size: 1.05rem; font-weight: 600; color: var(--charcoal);
    cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::after { content: '+'; font-size: 1.4rem; color: var(--sage); transition: transform 0.3s; }
.faq-item[open] summary::after { content: '−'; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item p { margin-top: 12px; color: var(--text-light); line-height: 1.7; font-size: 0.95rem; }

/* Other Treatments Cross-Links */
.other-treatments { padding: 60px 0; background: var(--white); }
.other-treatments h3 {
    font-family: var(--serif); font-size: 1.4rem;
    color: var(--charcoal); margin-bottom: 20px; font-weight: 500;
}
.treatment-links { display: flex; gap: 16px; flex-wrap: wrap; }
.treatment-links a {
    padding: 12px 24px; border: 1.5px solid rgba(0,0,0,0.1);
    border-radius: 30px; font-size: 0.9rem; font-weight: 500;
    color: var(--sage); transition: all 0.3s;
}
.treatment-links a:hover {
    background: var(--sage); color: var(--white); border-color: var(--sage);
}

/* =========================================
   REVIEWS PAGE
========================================== */
.reviews-section { padding: 0 0 80px; }
.reviews-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px; margin-bottom: 48px;
}
.review-card {
    background: var(--white); padding: 36px; border-radius: var(--radius);
    border: 1px solid rgba(0,0,0,0.06); font-style: normal;
}
.review-text {
    font-size: 1rem; color: var(--text); line-height: 1.75;
    font-style: italic; margin-bottom: 20px;
}
.review-author { display: flex; align-items: center; gap: 12px; }
.review-stars { color: var(--accent); font-size: 0.9rem; }
.review-name { font-size: 0.85rem; color: var(--text-light); }
.reviews-cta { text-align: center; }
.reviews-cta p { margin-bottom: 16px; color: var(--text-light); }

/* =========================================
   RESPONSIVE
========================================== */
@media (max-width: 900px) {
    .hero-layout, .story-layout, .visit-layout, .content-layout { flex-direction: column; }
    .content-sidebar { position: static; }
    .nav-links { display: none; }
    .trust-divider { display: none; }
    .trust-flex { gap: 32px; }
    .treatment-item { flex-direction: column; gap: 12px; }
    .treatment-tag { align-self: flex-start; }
}

@media (max-width: 600px) {
    .hero h1 { font-size: 2.3rem; }
    .hero-actions { flex-direction: column; width: 100%; }
    .hero-actions .btn { width: 100%; text-align: center; }
    .visit-map { min-height: 300px; }
    .treatment-body h3 { font-size: 1.4rem; }
    .reviews-grid { grid-template-columns: 1fr; }
    .reviews-preview-grid { grid-template-columns: 1fr; }
}