/* ===================================================================
   APPLE-INSPIRED REDESIGN - SURYA SUPER SPECIALTY HOSPITAL
   ===================================================================
   - Design Philosophy: Clean, minimalist, spacious.
   - Color Palette: Warm "shades of the sun" (orange, yellow).
   - Key Features: Glassmorphism header, subtle shadows, modern typography.
   =================================================================== */

/* 1. :root - New Design System */
:root {
    /* Primary "Sun" Palette */
    --primary-color: #FF9500;      /* A vibrant, confident orange */
    --primary-hover: #E08200;      /* A slightly deeper orange for interaction */
    --secondary-color: #FFCC00;    /* A bright, energetic yellow for accents */
    --background-light: #F9F9F7;   /* A very subtle, warm off-white */
    --background-subtle: #F0F0F0;  /* A light grey for subtle backgrounds like secondary buttons */
    
    /* Neutral Palette */
    --text-dark: #1d1d1f;          /* Apple's near-black for high contrast */
    --text-light: #515154;         /* A softer grey for body copy */
    --border-color: #e5e5e5;      /* A very light, unobtrusive border color */
    --white: #ffffff;
    --focus-ring-color: #007AFF;   /* Apple's blue for a high-vis focus ring */

    /* Typography */
    --font-primary: 'system-ui', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-headings: 'system-ui', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    /* Effects & Spacing */
    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 4px 25px rgba(0, 0, 0, 0.08);
    --border-radius-card: 18px;
    --border-radius-button: 12px;
    --header-height: 80px;
    --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --header-backdrop-filter: blur(16px);

    /* Spacing System (Unchanged) */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
}

/* 2. Global Resets & Base Styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Base Typography */
h1, h2, h3 { font-family: var(--font-headings); font-weight: 700; color: var(--text-dark); line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 6vw, 4.25rem); font-weight: 800; }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
a { color: var(--primary-color); text-decoration: none; transition: color var(--transition-smooth); }
a:hover { color: var(--primary-hover); }
p { margin-bottom: var(--spacing-sm); max-width: 65ch; } /* Added max-width for readability */
p:last-child { margin-bottom: 0; }
.material-symbols-outlined { font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24; } /* Lighter weight icons */

.quick-access__container, .services-grid, .doctors-grid, .testimonial-grid { list-style: none; }

/* 3. Layout */
.container { max-width: 1180px; margin-inline: auto; padding-inline: var(--spacing-md); }
.section-padding { padding-block: var(--spacing-xxl); }
.section-header { text-align: center; margin-bottom: var(--spacing-xl); }
.section-title { margin-bottom: var(--spacing-sm); }
.section-subtitle { font-size: 1.125rem; max-width: 60ch; margin-inline: auto; color: var(--text-light); }
.section-footer { text-align: center; margin-top: var(--spacing-lg); }

/* 4. Buttons */
.button-primary, .button-secondary {
    display: inline-block;
    padding: 0.9rem 2.25rem;
    border-radius: var(--border-radius-button);
    font-weight: 600;
    text-align: center;
    border: 2px solid transparent;
    transition: background-color var(--transition-smooth), color var(--transition-smooth), transform var(--transition-smooth), box-shadow var(--transition-smooth);
    will-change: transform;
}
.button-primary { background-color: var(--primary-color); color: var(--white); }
.button-primary:hover { background-color: var(--primary-hover); transform: translateY(-3px); }
.button-secondary { background-color: var(--background-subtle); color: var(--text-dark); }
.button-secondary:hover { background-color: #E0E0E0; }
.button--large { padding: 1.1rem var(--spacing-lg); font-size: 1.125rem; }

/* 5. Header (Glassmorphism Effect) */
.header {
    position: sticky; top: 0; width: 100%; z-index: 1000;
    background-color: rgba(255, 255, 255, 0.65);
    backdrop-filter: var(--header-backdrop-filter);
    -webkit-backdrop-filter: var(--header-backdrop-filter);
    border-bottom: 1px solid rgba(0,0,0,0.08);
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}
.header.scrolled {
    background-color: rgba(255, 255, 255, 0.8);
    border-color: rgba(0,0,0,0.1);
}
.header__container { display: flex; justify-content: space-between; align-items: center; height: var(--header-height); }
.header__logo { display: flex; align-items: center; gap: 0.75rem; font-weight: 700; font-size: 1.25rem; color: var(--primary-color); z-index: 1010; }
.header__logo-text { color: var(--text-dark); }

/* Navigation Styles */
.header__nav {
    position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    background-color: var(--white);
    display: flex; align-items: center; justify-content: center;
    transform: translateX(100%); transition: transform 0.4s ease-in-out; z-index: 999;
}
.header__nav.is-open { transform: translateX(0); }
.header__nav-list { list-style: none; display: flex; flex-direction: column; align-items: center; gap: 2rem; }
.header__nav-link { font-weight: 600; color: var(--text-dark); font-size: 1.5rem; padding: 0.5rem 0; }

/* Hamburger Icon (unchanged, still great) */
.header__actions { display: flex; align-items: center; gap: 1rem; }
.header__actions .button-primary { display: none; }
.header__mobile-toggle { border: none; background: transparent; cursor: pointer; z-index: 1010; padding: 0.5rem; }
.hamburger-box { display: inline-block; position: relative; width: 24px; height: 24px; }
.hamburger-inner, .hamburger-inner::before, .hamburger-inner::after {
    position: absolute; width: 24px; height: 2px; background-color: var(--text-dark); border-radius: 4px;
    transition: transform 0.3s ease-in-out, background-color 0.3s ease-in-out;
}
.hamburger-inner { top: 50%; transform: translateY(-50%); }
.hamburger-inner::before, .hamburger-inner::after { content: ''; }
.hamburger-inner::before { top: -8px; }
.hamburger-inner::after { bottom: -8px; }
.header__mobile-toggle[aria-expanded="true"] .hamburger-inner { background-color: transparent; }
.header__mobile-toggle[aria-expanded="true"] .hamburger-inner::before { transform: translateY(8px) rotate(45deg); }
.header__mobile-toggle[aria-expanded="true"] .hamburger-inner::after { transform: translateY(-8px) rotate(-45deg); }

/* 6. Hero Section */
.hero { background-color: var(--white); padding-top: var(--spacing-xl); }
.hero__container { display: grid; gap: 4rem; align-items: center; }
.hero__text-content { text-align: center; }
.hero__subtitle { font-size: 1.25rem; max-width: 55ch; margin: 1.5rem auto 2.5rem; }
.hero__cta-group { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.hero__image-wrapper { overflow: hidden; border-radius: var(--border-radius-card); }
.hero__image { width: 100%; display: block; height: auto; object-fit: cover; }

/* 7. Quick Access Section */
.quick-access { padding-block: 0; border-bottom: 1px solid var(--border-color); background: var(--background-light); }
.quick-access__container { display: grid; grid-template-columns: 1fr 1fr; }
.quick-access__card {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: var(--spacing-xs); text-align: center; padding: var(--spacing-lg);
    border-right: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-smooth);
}
.quick-access__container li:nth-child(2n) .quick-access__card { border-right: none; }
.quick-access__container li:nth-child(3) .quick-access__card,
.quick-access__container li:nth-child(4) .quick-access__card { border-bottom: none; }
.quick-access__card:hover { background-color: var(--white); }
.quick-access__card .material-symbols-outlined { font-size: 2.5rem; color: var(--primary-color); }
.quick-access__title { color: var(--text-dark); font-size: 1.1rem; margin: 0; }
.quick-access__card p { color: var(--text-light); font-size: 0.9rem; line-height: 1.4; margin: 0; }

/* 8. Card-Based Sections (About, Services) */
.about { background-color: var(--background-light); }
.services { background-color: var(--white); }
.features-grid, .services-grid { display: grid; gap: var(--spacing-lg); }
.feature-card, .service-card {
    background: var(--white);
    border-radius: var(--border-radius-card);
    padding: var(--spacing-lg);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
    border: 1px solid var(--border-color);
}
.feature-card:hover, .service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-card); }
.feature-card { text-align: center; }
.service-card { display: flex; flex-direction: column; }
.feature-card__icon, .service-card__icon { font-size: 2.5rem; color: var(--primary-color); margin-bottom: var(--spacing-md); }
.feature-card__title, .service-card__title { margin-bottom: var(--spacing-xs); }
.service-card__description { margin-bottom: var(--spacing-md); flex-grow: 1; }
.service-card__link { font-weight: 600; margin-top: auto; }

/* 10. Doctors Section */
.doctors { background-color: var(--background-light); }
.doctors-grid { display: grid; gap: var(--spacing-lg); }
.doctor-card { text-align: center; }
.doctor-card__placeholder {
    width: 150px; height: 150px;
    margin-inline: auto; margin-bottom: var(--spacing-md);
    border-radius: 50%;
    background-color: var(--background-subtle);
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-subtle);
}
.doctor-card__placeholder .material-symbols-outlined { font-size: 4rem; color: #B0B0B0; }
.doctor-card__name { margin-bottom: 0.25rem; color: var(--text-dark); }
.doctor-card__specialty { margin-bottom: 1rem; color: var(--primary-color); font-weight: 500; }

/* 11. Testimonials Section */
.testimonials { background-color: var(--primary-color); color: var(--white); }
.testimonials .section-title, .testimonials .section-subtitle { color: var(--white); }
.testimonial-grid { display: grid; gap: var(--spacing-lg); }
.testimonial-card { background-color: var(--primary-hover); padding: var(--spacing-lg); border-radius: var(--border-radius-card); }
.testimonial-card__quote {
    font-size: 1.125rem; font-style: italic;
    border-inline-start: 3px solid var(--secondary-color);
    padding-inline-start: var(--spacing-md); margin: 0;
}
.testimonial-card__author { display: block; margin-top: var(--spacing-md); font-weight: 600; font-style: normal; }

/* 12. Contact Section */
.contact { background-color: var(--background-light); }
.contact-wrapper { display: grid; gap: 3rem; }
.contact-subtitle { margin-bottom: 2rem; }
.contact-details__list { list-style: none; }
.contact-details__list li { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; font-size: 1.125rem; }
.contact-details__list .material-symbols-outlined { color: var(--primary-color); }
.contact-map iframe { border-radius: var(--border-radius-card); width: 100%; height: 100%; min-height: 400px; }

/* 13. Footer */
.footer { background-color: var(--text-dark); color: #a0a0a0; padding-top: 4rem; }
/* ... Footer styles can remain largely the same, they are neutral ... */
.footer__container { display: grid; gap: 3rem; padding-bottom: 4rem; }
.footer__logo { font-family: var(--font-headings); font-weight: 700; font-size: 1.5rem; color: var(--white); margin-bottom: 1rem; display: block; }
.footer__about-text { margin-bottom: 1.5rem; }
.footer__socials { display: flex; gap: 1.5rem; }
.footer__socials a { color: var(--white); font-size: 1.5rem; }
.footer__col-title { font-family: var(--font-primary); font-weight: 600; font-size: 1.1rem; color: var(--white); margin-bottom: 1.5rem; }
.footer__list { list-style: none; }
.footer__list li { margin-bottom: 0.75rem; }
.footer__list a { color: #a0a0a0; }
.footer__list a:hover { color: var(--white); }
.footer__bottom-bar { background-color: rgba(0,0,0,0.2); padding: 1.5rem 0; }
.footer__bottom-bar .container { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 1rem; }
.footer__bottom-bar p { margin: 0; font-size: 0.9rem; }

/* 14. Utilities & JS Hooks */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
body.nav-open { overflow: hidden; }

/* 15. Media Queries */
@media (min-width: 768px) {
    .header__nav { position: static; transform: none; width: auto; height: auto; background-color: transparent; display: block; }
    .header__nav-list { flex-direction: row; gap: 2.5rem; }
    .header__nav-link { font-size: 1rem; padding: 0; color: var(--text-light); }
    .header__nav-link:hover { color: var(--primary-color); }
    .header__mobile-toggle { display: none; }
    .header__actions .button-primary { display: inline-block; }
    .section-padding { padding-block: var(--spacing-xxl); }
    .container { padding-inline: var(--spacing-lg); }
    .hero__container { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .hero__text-content { text-align: left; }
    .hero__cta-group { justify-content: flex-start; }
    .quick-access__container { grid-template-columns: repeat(4, 1fr); }
    .quick-access__container li:nth-child(2n) .quick-access__card { border-right: 1px solid var(--border-color); }
    .quick-access__container li:nth-child(3) .quick-access__card,
    .quick-access__container li:nth-child(4) .quick-access__card { border-bottom: none; }
    .quick-access__container li:nth-child(4) .quick-access__card { border-right: none; }
    .features-grid { grid-template-columns: repeat(3, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .doctors-grid { grid-template-columns: repeat(3, 1fr); }
    .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-wrapper { grid-template-columns: 1fr 1.5fr; align-items: center; }
    .footer__container { grid-template-columns: 2fr 1fr 1fr 1.5fr; }
    .footer__bottom-bar .container { flex-direction: row; justify-content: space-between; }
}
@media (min-width: 1024px) {
    .services-grid { grid-template-columns: repeat(3, 1fr); }
}

/* 16. Accessibility Enhancements */
:focus-visible { outline: 3px solid var(--focus-ring-color); outline-offset: 3px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}