/* ARSH Clinic - Luxury Editorial Medical Aesthetics */

:root {
    /* Color Palette */
    --deep-navy: #16263D;
    --warm-white: #FAF9F7;
    --soft-stone: #F5F3EE;
    --muted-brass: #B89A68;
    --rich-charcoal: #222222;
    --light-border: #E5E0D8;

    /* Typography */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --space-sm: 1rem;
    --space-md: 2.5rem;
    --space-lg: 5rem;
    --space-xl: 8rem;
    --space-xxl: 12rem;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--rich-charcoal);
    background-color: var(--warm-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    color: var(--deep-navy);
}

.container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-body);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: all 0.4s ease;
    cursor: pointer;
    border: 1px solid transparent;
}

.sticky-cta {
    padding: 0.6rem 1.5rem;
    font-size: 0.75rem;
}

.btn-primary {
    background-color: var(--deep-navy);
    color: var(--warm-white);
}

.btn-primary:hover {
    background-color: var(--muted-brass);
}

.btn-outline {
    border-color: var(--deep-navy);
    color: var(--deep-navy);
    background-color: transparent;
}

.btn-outline:hover {
    background-color: var(--deep-navy);
    color: var(--warm-white);
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: all 0.3s ease;
    background-color: transparent;
}

.site-header.scrolled {
    background-color: rgba(250, 249, 247, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--light-border);
    padding: 1rem 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--deep-navy);
}

.main-nav a {
    text-decoration: none;
    color: var(--rich-charcoal);
    margin: 0 1.5rem;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: var(--muted-brass);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.portal-link {
    font-family: var(--font-body);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--rich-charcoal);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.portal-link:hover {
    color: var(--muted-brass);
}

/* Hero Section V2 */
.hero-v2 {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--warm-white);
    padding-top: 6rem;
    overflow: hidden;
}

.hero-v2-image {
    position: absolute;
    top: 0;
    right: 0;
    width: 65%;
    height: 100%;
    clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
    z-index: 1;
}

.hero-v2-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
}

.hero-v2-container {
    position: relative;
    z-index: 2;
    display: flex;
}

.hero-v2-card {
    background: rgba(250, 249, 247, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 4rem;
    max-width: 650px;
    border: 1px solid rgba(255,255,255,0.4);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.hero-badge {
    display: inline-block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--muted-brass);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.hero-v2-card h1 {
    font-size: clamp(3rem, 5vw, 4.5rem);
    margin-bottom: 2rem;
    color: var(--deep-navy);
    line-height: 1.1;
}

.hero-v2-card .subheadline {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    color: var(--rich-charcoal);
    line-height: 1.6;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* Authority Statement */
.authority-statement {
    padding: var(--space-xl) 0;
    background-color: var(--deep-navy);
    color: var(--warm-white);
    text-align: center;
}

.authority-statement h2 {
    color: var(--muted-brass);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-style: italic;
    max-width: 1000px;
    margin: 0 auto;
}

/* Partners / Affiliations */
.partners {
    padding: 4rem 0;
    background-color: var(--warm-white);
    text-align: center;
}

.partners-label {
    font-family: var(--font-body);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted-brass);
    margin-bottom: 2.5rem;
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 4rem;
}

.partner-logo {
    max-height: 60px;
    max-width: 180px;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.6);
    transition: all 0.4s ease;
}

.partner-logo:hover {
    filter: grayscale(0%) opacity(1);
}

/* Areas of Expertise */
.expertise-areas {
    padding: var(--space-xxl) 0;
    background-color: var(--soft-stone);
}

.divider {
    width: 60px;
    height: 2px;
    background-color: var(--muted-brass);
    margin-bottom: 4rem;
}

.expertise-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--light-border);
    border-left: 1px solid var(--light-border);
}

.expertise-card {
    text-decoration: none;
    color: inherit;
    padding: 4rem;
    border-right: 1px solid var(--light-border);
    border-bottom: 1px solid var(--light-border);
    background-color: transparent;
    transition: all 0.5s ease;
    display: block;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: -1;
}

.expertise-card:nth-child(1)::before {
    background-image: url('assets/img/allergy_bg.png');
}

.expertise-card:nth-child(2)::before {
    background-image: url('assets/img/asthma_bg.png');
}

.expertise-card:nth-child(3)::before {
    background-image: url('assets/img/allergy_bg.png');
    filter: hue-rotate(180deg) brightness(0.8);
}

.expertise-card:nth-child(4)::before {
    background-image: url('assets/img/asthma_bg.png');
    filter: hue-rotate(90deg) brightness(0.8);
}

.expertise-card:hover {
    background-color: var(--deep-navy);
}

.expertise-card:hover::before {
    opacity: 0.25;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    position: relative;
}

.card-number {
    font-family: var(--font-body);
    color: var(--muted-brass);
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.4s ease;
}

.expertise-card:hover .card-number {
    color: var(--warm-white);
}

.card-icon {
    width: 24px;
    height: 24px;
    color: var(--muted-brass);
    transform: translateX(-10px);
    opacity: 0;
    transition: all 0.4s ease;
}

.expertise-card:hover .card-icon {
    color: var(--warm-white);
    transform: translateX(0);
    opacity: 1;
}

.expertise-card h3 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    transition: color 0.4s ease;
    color: var(--deep-navy);
}

.expertise-card:hover h3 {
    color: var(--warm-white);
}

.expertise-card p {
    color: var(--rich-charcoal);
    opacity: 0.8;
    line-height: 1.7;
    transition: color 0.4s ease, opacity 0.4s ease;
}

.expertise-card:hover p {
    color: var(--warm-white);
    opacity: 0.9;
}

@media (max-width: 768px) {
    .expertise-grid {
        grid-template-columns: 1fr;
        border-left: none;
    }
    .expertise-card {
        padding: 2.5rem 0;
        border-right: none;
    }
}

/* Physician Profile */
.physician-profile {
    padding: var(--space-xxl) 0;
    background-color: var(--warm-white);
}

.profile-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.profile-image img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
}

.credentials {
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted-brass);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.story p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.board-certifications {
    list-style: none;
    margin-top: 3rem;
    border-top: 1px solid var(--light-border);
    padding-top: 2rem;
}

.board-certifications li {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.board-certifications li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--muted-brass);
    border-radius: 50%;
}

/* Patient Experience */
.patient-experience {
    padding: var(--space-xxl) 0;
    background-color: var(--deep-navy);
    color: var(--warm-white);
}

.patient-experience .section-title {
    color: var(--warm-white);
}

.experience-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 6rem;
    align-items: center;
}

.intro {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    color: var(--muted-brass);
    margin-bottom: 4rem;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.step h4 {
    color: var(--warm-white);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 1rem;
}

.step p {
    color: rgba(255,255,255,0.7);
}

.experience-image img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
}

/* Testimonials */
.testimonials {
    padding: var(--space-xl) 0;
    background-color: var(--soft-stone);
    text-align: center;
}

.testimonial {
    max-width: 800px;
    margin: 0 auto;
}

.quote {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--deep-navy);
    font-style: italic;
    line-height: 1.4;
    margin-bottom: 2rem;
}

.author {
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.85rem;
    color: var(--muted-brass);
}

/* Location & Contact */
.location-contact {
    padding: var(--space-xxl) 0;
    background-color: var(--warm-white);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.details {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    margin-top: 3rem;
}

.detail-item h5 {
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted-brass);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.detail-item p, .detail-item a {
    font-size: 1.1rem;
    color: var(--rich-charcoal);
    text-decoration: none;
}

/* Contact Form */
.elegant-form {
    background-color: var(--soft-stone);
    padding: 3rem;
}

.elegant-form h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.elegant-form p {
    font-size: 0.95rem;
    color: var(--rich-charcoal);
    margin-bottom: 2rem;
    opacity: 0.8;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.elegant-form input,
.elegant-form select,
.elegant-form textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--warm-white);
    border: 1px solid var(--light-border);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--rich-charcoal);
    transition: border-color 0.3s;
}

.elegant-form input:focus,
.elegant-form select:focus,
.elegant-form textarea:focus {
    outline: none;
    border-color: var(--muted-brass);
}

.btn-full {
    width: 100%;
    text-align: center;
}

/* Footer */
.site-footer {
    background-color: var(--deep-navy);
    color: var(--warm-white);
    padding: 4rem 0 2rem;
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 2rem;
    margin-bottom: 2rem;
}

.footer-brand .logo {
    color: var(--warm-white);
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--muted-brass);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--warm-white);
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-copy {
    text-align: center;
    font-size: 0.8rem;
    opacity: 0.5;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease, transform 1s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 992px) {
    .profile-container, .experience-container, .contact-container {
        grid-template-columns: 1fr;
    }
    
    .experience-container {
        grid-template-areas: "image" "content";
    }
    
    .experience-image {
        grid-area: image;
    }
    
    .experience-content {
        grid-area: content;
    }
    
    .main-nav {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .footer-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}