/* ==========================================================================
   Ganga Orthopaedic Centre — stylesheet
   ========================================================================== */

:root {
    --color-primary: #5bc6d0;
    --color-primary-dark: #326d72;
    --color-primary-light: #e6f6f8;
    --color-accent: #d81f26;
    --color-accent-dark: #a8151b;
    --color-navy: #0d1533;
    --color-text: #33454a;
    --color-muted: #6a7484;
    --color-bg: #ffffff;
    --color-bg-alt: #f4f6fb;
    --color-border: #e1e4ef;
    --radius: 12px;
    --shadow: 0 6px 24px rgba(50, 109, 114, 0.14);
    --shadow-sm: 0 2px 10px rgba(50, 109, 114, 0.10);
    --max-width: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: Georgia, "Times New Roman", serif;
    color: var(--color-navy);
    line-height: 1.25;
    margin: 0 0 .6em;
}

h1 { font-size: 2.6rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.35rem; }
p { margin: 0 0 1em; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-accent); }
ul { padding-left: 1.1em; }
img { max-width: 100%; display: block; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 13px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); color: #fff; box-shadow: var(--shadow); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.btn-outline:hover { background: rgba(255,255,255,.15); color: #fff; }
.btn-secondary { background: var(--color-primary); color: #fff; }
.btn-secondary:hover { background: var(--color-primary-dark); color: #fff; }

/* ---------- Top bar ---------- */
.top-bar {
    background: var(--color-navy);
    color: #cfe3e3;
    font-size: .85rem;
}
.top-bar-inner {
    display: flex;
    justify-content: flex-end;
    gap: 28px;
    padding: 8px 20px;
    flex-wrap: wrap;
}
.top-bar-item a { color: #cfe3e3; }
.top-bar-item a:hover { color: var(--color-accent); }
.top-bar-item.emergency { color: #ffcfa8; font-weight: 600; }
.top-bar-item.emergency a { color: #ffcfa8; }

/* ---------- Header / Nav ---------- */
.site-header {
    background: #fff;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    gap: 20px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-navy);
}
.brand-logo { height: 58px; width: auto; display: block; }
.brand-logo-badge {
    background: #fff;
    border-radius: 10px;
    padding: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.brand-logo-badge .brand-logo { height: 40px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-family: Georgia, serif; font-weight: 700; font-size: 1.3rem; color: var(--color-navy); }
.brand-tagline { font-size: .78rem; color: var(--color-muted); }

.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
.nav-link {
    padding: 10px 14px;
    border-radius: 8px;
    color: var(--color-text);
    font-weight: 600;
    font-size: .95rem;
}
.nav-link:hover { background: var(--color-primary-light); color: var(--color-primary); }
.nav-link.active { background: var(--color-primary); color: #fff; }
.nav-cta { margin-left: 10px; padding: 10px 22px; }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}
.nav-toggle span {
    width: 26px;
    height: 3px;
    background: var(--color-navy);
    border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(120deg, var(--color-navy), var(--color-primary-dark));
    color: #fff;
    padding: 80px 0;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 40px;
    align-items: center;
}
.hero h1 { color: #fff; }
.hero .eyebrow {
    display: inline-block;
    background: rgba(255,255,255,.12);
    color: var(--color-accent);
    padding: 6px 16px;
    border-radius: 50px;
    font-weight: 700;
    font-size: .8rem;
    letter-spacing: .06em;
    text-transform: uppercase;
    margin-bottom: 18px;
}
.hero p.lead { color: #d7e6e6; font-size: 1.1rem; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }
.hero-visual {
    position: relative;
    background: radial-gradient(circle at 50% 50%, rgba(91,198,208,.25), rgba(255,255,255,.06) 70%);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: var(--radius);
    aspect-ratio: 4/3;
}
.hero-orbit {
    position: absolute;
    top: 12%; left: 14%; right: 14%; bottom: 12%;
    border: 1px dashed rgba(255,255,255,.3);
    border-radius: 50%;
}
.hero-visual-center {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 132px; height: 132px;
    border-radius: 50%;
    background: rgba(255,255,255,.14);
    border: 2px solid rgba(255,255,255,.35);
    box-shadow: 0 10px 30px rgba(0,0,0,.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.6rem;
}
.hero-satellite {
    position: absolute;
    width: 62px; height: 62px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--color-primary);
    box-shadow: 0 8px 18px rgba(0,0,0,.22);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    animation: hero-float 4s ease-in-out infinite;
}
.hero-satellite-top    { top: 4%;  left: 50%; transform: translate(-50%, 0); animation-delay: 0s; }
.hero-satellite-right  { top: 50%; right: 2%; transform: translate(0, -50%); border-color: var(--color-accent); animation-delay: 1s; }
.hero-satellite-bottom { bottom: 4%; left: 50%; transform: translate(-50%, 0); animation-delay: 2s; }
.hero-satellite-left   { top: 50%; left: 2%; transform: translate(0, -50%); border-color: var(--color-accent); animation-delay: 3s; }

@keyframes hero-float {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, -8px); }
}
.hero-satellite-right, .hero-satellite-left {
    animation-name: hero-float-x;
}
@keyframes hero-float-x {
    0%, 100% { transform: translate(0, -50%); }
    50% { transform: translate(0, calc(-50% - 8px)); }
}

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section-head .eyebrow {
    display: inline-block;
    color: var(--color-accent-dark);
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    font-size: .8rem;
    margin-bottom: 10px;
}
.section-head p { color: var(--color-muted); }

/* ---------- Stats ---------- */
.stats-bar {
    background: var(--color-primary);
    color: #fff;
    padding: 34px 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    text-align: center;
}
.stats-grid .stat-num { font-size: 2.1rem; font-weight: 700; font-family: Georgia, serif; }
.stats-grid .stat-label { font-size: .85rem; color: #d7e6e6; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 30px 26px;
    box-shadow: var(--shadow-sm);
    transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .card-icon {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    background: var(--color-primary-light);
    border-radius: 12px;
    font-size: 1.7rem;
    margin-bottom: 18px;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--color-muted); margin-bottom: 0; }

/* ---------- About / doctor ---------- */
.about-grid {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 48px;
    align-items: center;
}
.doctor-photo-placeholder {
    background: var(--color-primary-light);
    border: 2px dashed var(--color-primary);
    border-radius: var(--radius);
    aspect-ratio: 3/4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-dark);
    font-weight: 600;
    text-align: center;
    gap: 10px;
    font-size: 4rem;
}
.doctor-photo-placeholder small { font-size: .85rem; color: var(--color-muted); font-weight: 400; }
.credentials-list { list-style: none; padding: 0; margin: 20px 0; }
.credentials-list li {
    padding: 10px 0 10px 32px;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}
.credentials-list li:before {
    content: "✓";
    position: absolute; left: 0; top: 10px;
    color: var(--color-primary);
    font-weight: 700;
}

/* ---------- Gallery ---------- */
.gallery-filters { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 36px; }
.gallery-filters button {
    background: #fff;
    border: 1px solid var(--color-border);
    padding: 9px 18px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    color: var(--color-text);
}
.gallery-filters button.active,
.gallery-filters button:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.gallery-item {
    background: var(--color-primary-light);
    border: 2px dashed var(--color-primary);
    border-radius: var(--radius);
    aspect-ratio: 4/3;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-dark);
    gap: 8px;
    text-align: center;
    padding: 10px;
}
.gallery-item .g-icon { font-size: 2.6rem; }
.gallery-item .g-label { font-weight: 600; font-size: .9rem; }

/* ---------- Testimonials ---------- */
.testimonial-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-sm);
}
.testimonial-stars { color: var(--color-accent); margin-bottom: 12px; letter-spacing: 2px; }
.testimonial-quote { font-style: italic; color: var(--color-text); }
.testimonial-person { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.testimonial-avatar {
    width: 46px; height: 46px; border-radius: 50%;
    background: var(--color-primary-light);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
}
.testimonial-name { font-weight: 700; color: var(--color-navy); }
.testimonial-role { font-size: .82rem; color: var(--color-muted); }

/* ---------- CTA ---------- */
.cta-band {
    background: linear-gradient(120deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    padding: 60px 0;
    text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #d7e6e6; max-width: 560px; margin: 0 auto 26px; }

/* ---------- Forms ---------- */
.form-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 34px;
    box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .9rem; color: var(--color-navy); }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: inherit;
    font-size: .95rem;
    background: var(--color-bg-alt);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: #fff;
}
.form-note { font-size: .8rem; color: var(--color-muted); margin-top: 10px; }
.alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 20px; font-weight: 600; }
.alert-success { background: #e5f6ec; color: #1c7a43; border: 1px solid #b9e6c8; }
.alert-error { background: #fdeceb; color: #b83224; border: 1px solid #f6c6c0; }

/* ---------- Contact info blocks ---------- */
.contact-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 50px; }
.map-wrap {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}
.map-wrap iframe { width: 100%; height: 360px; border: 0; display: block; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-navy); color: #b9cdcd; padding-top: 56px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 34px; padding-bottom: 40px; }
.footer-brand { color: #fff; margin-bottom: 14px; }
.footer-brand .brand-name { color: #fff; }
.site-footer h4 { color: #fff; font-family: inherit; font-size: 1rem; margin-bottom: 16px; }
.site-footer p { color: #9fb7b7; font-size: .92rem; }
.footer-links, .footer-hours, .footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-links li, .footer-hours li, .footer-contact li { margin-bottom: 10px; font-size: .92rem; }
.footer-links a { color: #b9cdcd; }
.footer-links a:hover { color: var(--color-accent); }
.footer-contact a { color: #b9cdcd; }
.social-links { display: flex; gap: 12px; margin-top: 16px; }
.social-links a {
    width: 38px; height: 38px;
    background: rgba(255,255,255,.08);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #b9cdcd;
    transition: background .15s ease, color .15s ease;
}
.social-links a:hover { background: var(--color-primary); color: #fff; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 20px 0;
    text-align: center;
    font-size: .85rem;
    color: #8ba5a5;
}

/* ---------- Floating call button (mobile) ---------- */
.call-fab {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    box-shadow: 0 8px 20px rgba(0,0,0,.25);
    z-index: 90;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .hero-inner { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .contact-info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
    .top-bar-inner { justify-content: center; gap: 16px; font-size: .78rem; }
    .nav-toggle { display: flex; }
    .main-nav {
        display: none;
        flex-direction: column;
        width: 100%;
        align-items: stretch;
        gap: 2px;
        padding-top: 14px;
    }
    .main-nav.open { display: flex; }
    .nav-cta { margin-left: 0; text-align: center; }
    .header-inner { flex-wrap: wrap; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .call-fab { display: flex; }
    .section { padding: 52px 0; }
}