/* =============================================
   Centerpoint Healthcare & Suboxone Clinic
   Clean Minimalist — Forest Green + Off-White
   ============================================= */

/* --- CSS Custom Properties --- */
:root {
    --green-900: #0B1F15;
    --green-800: #1B4332;
    --green-700: #2D6A4F;
    --green-600: #40916C;
    --green-500: #52B788;
    --green-400: #74C69D;
    --green-300: #95D5B2;
    --green-200: #B7E4C7;
    --green-100: #D8F3DC;
    --green-50:  #EFFCF3;
    --gold-500:  #D4A843;
    --gold-400:  #E0BC5E;
    --cream:     #FAFAF7;
    --cream-dark:#F2F2ED;
    --white:     #FFFFFF;
    --black:     #0A0A0A;
    --gray-900:  #1A1A1A;
    --gray-700:  #3D3D3D;
    --gray-600:  #555555;
    --gray-500:  #6B6B6B;
    --gray-400:  #8A8A8A;
    --gray-300:  #B0B0B0;
    --gray-200:  #D4D4D4;
    --gray-100:  #EEEEEE;
    --gray-50:   #F7F7F7;

    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --space-xs:  0.25rem;
    --space-sm:  0.5rem;
    --space-md:  1rem;
    --space-lg:  1.5rem;
    --space-xl:  2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-700);
    background-color: var(--cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--green-700);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--green-600);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

address {
    font-style: normal;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.2;
    color: var(--green-800);
}

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--green-600);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: var(--space-md);
    color: var(--green-800);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray-500);
    max-width: 600px;
    line-height: 1.7;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--green-800);
    color: var(--white);
    border: 1.5px solid var(--green-800);
}

.btn-primary:hover {
    background: var(--green-700);
    border-color: var(--green-700);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(27, 67, 50, 0.2);
}

.btn-ghost {
    background: transparent;
    color: var(--green-800);
    border: 1.5px solid var(--green-200);
}

.btn-ghost:hover {
    background: var(--green-50);
    border-color: var(--green-400);
    color: var(--green-800);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
    color: var(--white);
}

.btn-ghost-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
    color: var(--green-600);
    border: 1px solid var(--green-200);
    border-radius: var(--radius-sm);
}

.btn-ghost-sm:hover {
    background: var(--green-50);
}

.btn-full {
    width: 100%;
}

/* =============================================
   HEADER
   ============================================= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 247, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-100);
    transition: box-shadow var(--transition);
}

.site-header.scrolled {
    box-shadow: 0 1px 0 var(--gray-100);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--green-800);
}

.logo-mark {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--green-600);
    line-height: 1;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.main-nav a {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--gray-600);
    text-decoration: none;
    transition: color var(--transition);
    position: relative;
}

.main-nav a:hover {
    color: var(--green-700);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--green-600);
    transition: width var(--transition);
}

.main-nav a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 0.5rem 1.25rem;
    border: 1.5px solid var(--green-200);
    border-radius: var(--radius-sm);
    color: var(--green-700) !important;
    font-weight: 500;
    transition: all var(--transition);
}

.nav-cta:hover {
    background: var(--green-50);
    border-color: var(--green-400);
}

.nav-cta::after {
    display: none;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    z-index: 1001;
}

.nav-toggle-line {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--green-800);
    transition: all var(--transition);
    transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* =============================================
   HERO
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cream);
    overflow: hidden;
    padding: 120px var(--space-lg) 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('https://images.pexels.com/photos/8763983/pexels-photo-8763983.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
    pointer-events: none;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, var(--green-50) 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 780px;
    text-align: center;
    z-index: 1;
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--green-600);
    margin-bottom: var(--space-lg);
}

.hero-headline {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--green-800);
    margin-bottom: var(--space-xl);
    letter-spacing: -0.02em;
}

.hero-headline em {
    font-style: italic;
    color: var(--green-600);
}

.hero-subhead {
    font-size: 1.1rem;
    color: var(--gray-500);
    line-height: 1.8;
    max-width: 580px;
    margin: 0 auto var(--space-2xl);
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

.hero-trust {
    font-size: 0.8125rem;
    color: var(--gray-400);
    letter-spacing: 0.02em;
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-400);
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--gray-300), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.4; transform: scaleY(0.7); }
}

/* =============================================
   SERVICES
   ============================================= */
.services {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header .section-subtitle {
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    padding: var(--space-2xl);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    background: var(--white);
}

.service-card:hover {
    border-color: var(--green-200);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(27, 67, 50, 0.06);
}

.service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--green-200);
    border-radius: var(--radius-sm);
    color: var(--green-700);
    margin-bottom: var(--space-lg);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    color: var(--green-800);
}

.service-description {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* =============================================
   ABOUT
   ============================================= */
.about {
    padding: var(--space-4xl) 0;
    background: var(--cream);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image-wrap {
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4/5;
}

.about-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-content .section-title {
    margin-bottom: var(--space-lg);
}

.about-content p {
    color: var(--gray-600);
    margin-bottom: var(--space-md);
    font-size: 0.9375rem;
}

.about-stats {
    display: flex;
    gap: var(--space-2xl);
    margin-top: var(--space-2xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--gray-100);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--green-700);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--gray-400);
}

/* =============================================
   APPROACH
   ============================================= */
.approach {
    padding: var(--space-4xl) 0;
    background: var(--green-800);
    color: var(--white);
}

.approach .section-eyebrow {
    color: var(--green-300);
}

.approach .section-title {
    color: var(--white);
}

.approach .section-subtitle {
    color: rgba(255,255,255,0.6);
}

.approach .section-header {
    margin-bottom: var(--space-3xl);
}

.approach-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.approach-step {
    position: relative;
    padding: var(--space-xl);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.approach-step:hover {
    border-color: rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.03);
}

.step-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 400;
    color: rgba(255,255,255,0.15);
    line-height: 1;
    margin-bottom: var(--space-md);
}

.step-title {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: var(--space-sm);
}

.step-description {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.7;
}

/* =============================================
   FAQ
   ============================================= */
.faq {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

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

.faq-item {
    border-bottom: 1px solid var(--gray-100);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    text-align: left;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--green-800);
    transition: color var(--transition);
}

.faq-question:hover {
    color: var(--green-600);
}

.faq-question[aria-expanded="true"] {
    color: var(--green-600);
}

.faq-toggle {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gray-200);
    border-radius: 50%;
    color: var(--gray-400);
    transition: all var(--transition);
}

.faq-question[aria-expanded="true"] .faq-toggle {
    border-color: var(--green-400);
    color: var(--green-600);
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer p {
    padding-bottom: var(--space-lg);
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.8;
}

/* =============================================
   CTA
   ============================================= */
.cta {
    padding: var(--space-4xl) 0;
    background: var(--cream-dark);
    text-align: center;
}

.cta-content {
    max-width: 640px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: 1.05rem;
    color: var(--gray-500);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact-intro {
    font-size: 0.9375rem;
    color: var(--gray-500);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-detail {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.contact-detail-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--green-200);
    border-radius: var(--radius-sm);
    color: var(--green-700);
}

.contact-detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 2px;
}

.contact-detail-value {
    display: block;
    font-size: 0.9375rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.contact-detail-value a {
    color: var(--green-700);
}

.contact-detail-value a:hover {
    color: var(--green-600);
    text-decoration: underline;
}

/* Form */
.contact-form-wrap {
    background: var(--cream);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-md);
    padding: var(--space-2xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 0.875rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--gray-900);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--green-400);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-300);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-privacy {
    font-size: 0.75rem;
    color: var(--gray-400);
    text-align: center;
    margin-top: var(--space-md);
}

/* Form Success */
.form-success {
    text-align: center;
    padding: var(--space-2xl);
}

.success-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--green-200);
    border-radius: 50%;
    color: var(--green-600);
}

.success-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.success-text {
    font-size: 0.9375rem;
    color: var(--gray-500);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
    background: var(--green-900);
    color: rgba(255,255,255,0.6);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo-text {
    color: var(--white);
}

.footer-tagline {
    font-size: 0.875rem;
    margin-top: var(--space-md);
    line-height: 1.7;
    color: rgba(255,255,255,0.45);
}

.footer-heading {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-links address {
    font-size: 0.875rem;
    line-height: 1.8;
}

.footer-links a[href^="tel"] {
    color: rgba(255,255,255,0.55);
}

.footer-links a[href^="tel"]:hover {
    color: var(--white);
}

.footer-legal ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.25);
    line-height: 1.7;
}

.footer-bottom {
    padding-top: var(--space-xl);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.3);
}

/* =============================================
   MOBILE RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .approach-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--cream);
        border-left: 1px solid var(--gray-100);
        padding: 100px var(--space-xl) var(--space-2xl);
        transform: translateX(100%);
        transition: transform var(--transition);
        z-index: 999;
    }

    .main-nav.is-open {
        transform: translateX(0);
    }

    .main-nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .main-nav a {
        font-size: 1rem;
    }

    .nav-cta {
        border: none;
        padding: 0;
    }

    .hero {
        min-height: auto;
        padding: 140px var(--space-lg) 100px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-image-wrap {
        aspect-ratio: 16/10;
    }

    .approach-steps {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .hero-scroll {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .service-card {
        padding: var(--space-lg);
    }

    .contact-form-wrap {
        padding: var(--space-lg);
    }

    .about-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .scroll-line {
        animation: none;
    }

    .service-card:hover {
        transform: none;
    }

    .btn-primary:hover {
        transform: none;
    }
}

/* --- Mobile Nav Overlay --- */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.nav-overlay.is-visible {
    opacity: 1;
    pointer-events: all;
}