/* ===================================
   Bensenville Dental Care — Stylesheet
   Bold Editorial: Plum + Amber
   =================================== */

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

:root {
    --plum-50:  #faf5ff;
    --plum-100: #f3e8ff;
    --plum-200: #e9d5ff;
    --plum-300: #d8b4fe;
    --plum-400: #c084fc;
    --plum-500: #a855f7;
    --plum-600: #9333ea;
    --plum-700: #7e22ce;
    --plum-750: #6b21a8;
    --plum-800: #581c87;
    --plum-900: #3b0764;
    --plum-950: #2e034e;

    --amber-50:  #fffbeb;
    --amber-100: #fef3c7;
    --amber-200: #fde68a;
    --amber-300: #fcd34d;
    --amber-400: #fbbf24;
    --amber-500: #f59e0b;
    --amber-600: #d97706;
    --amber-700: #b45309;

    --white:    #ffffff;
    --gray-50:  #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --shadow-sm:  0 1px 2px rgba(0,0,0,0.05);
    --shadow-md:  0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl:  0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

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

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

body {
    font-family: var(--font-sans);
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.15;
    color: var(--plum-900);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--plum-700);
    color: var(--white);
    border-color: var(--plum-700);
}

.btn-primary:hover {
    background: var(--plum-800);
    border-color: var(--plum-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.6);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--plum-800);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
    border-radius: var(--radius-md);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
    padding: 16px 24px;
}

/* --- Eyebrow --- */
.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--amber-600);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

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

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(88,28,135,0.08);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--plum-800);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--plum-600), var(--plum-800));
    border-radius: var(--radius-sm);
    color: var(--amber-400);
}

.logo-light {
    color: var(--white);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a:not(.btn) {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-700);
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--amber-500);
    transition: var(--transition);
}

.nav-links a:not(.btn):hover {
    color: var(--plum-700);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

/* --- Mobile Menu --- */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--plum-800);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, var(--plum-900), var(--plum-750));
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.mobile-link {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--white);
    transition: var(--transition);
}

.mobile-link:hover {
    color: var(--amber-400);
}

.mobile-cta {
    margin-top: 16px;
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--plum-900) 0%, var(--plum-750) 40%, var(--plum-600) 70%, #c026d3 100%);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 20% 40%, rgba(251,191,36,0.15) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 60%, rgba(147,51,234,0.3) 0%, transparent 60%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    color: var(--white);
}

.hero-eyebrow {
    color: var(--amber-400);
    margin-bottom: 20px;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 600;
}

.hero-headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-subheadline {
    font-size: 1.1875rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.75;
    margin-bottom: 40px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-trust {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.9);
    font-size: 0.9375rem;
    font-weight: 500;
}

.trust-item svg {
    color: var(--amber-400);
    flex-shrink: 0;
}

.hero-image {
    position: relative;
}

.hero-image-wrapper {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    aspect-ratio: 500/620;
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--white);
    color: var(--plum-800);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 0.9375rem;
}

.hero-badge svg {
    color: var(--plum-600);
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
}

/* --- Services --- */
.services {
    padding: 100px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--plum-600), var(--amber-500));
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--plum-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--plum-50), var(--plum-100));
    border-radius: var(--radius-md);
    color: var(--plum-700);
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--plum-600), var(--plum-700));
    color: var(--white);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--plum-900);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* --- About --- */
.about {
    padding: 100px 0;
    background: var(--gray-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    aspect-ratio: 520/640;
}

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

.about-img-secondary {
    position: absolute;
    bottom: -32px;
    right: -32px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 6px solid var(--white);
    aspect-ratio: 320/240;
}

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

.about-content .section-title {
    margin-bottom: 24px;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 32px 0 40px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--gray-800);
    font-size: 0.9375rem;
}

.value-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--plum-100), var(--plum-200));
    border-radius: var(--radius-sm);
    color: var(--plum-700);
    flex-shrink: 0;
}

/* --- New Patients --- */
.new-patients {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--plum-900), var(--plum-750));
    position: relative;
    overflow: hidden;
}

.new-patients::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 50% 80% at 0% 50%, rgba(251,191,36,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 40% 60% at 100% 20%, rgba(147,51,234,0.2) 0%, transparent 60%);
    pointer-events: none;
}

.new-patients .container {
    position: relative;
    z-index: 1;
}

.new-patients-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.text-light {
    color: var(--white) !important;
}

.new-patients-desc {
    font-size: 1.0625rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 40px;
}

.new-patient-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--amber-500), var(--amber-600));
    color: var(--plum-900);
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.125rem;
    border-radius: 50%;
    flex-shrink: 0;
}

.step-text {
    font-size: 1.0625rem;
    color: rgba(255,255,255,0.9);
    padding-top: 8px;
    line-height: 1.6;
}

.new-patients-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    aspect-ratio: 480/560;
}

.new-patients-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- Contact --- */
.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-desc {
    font-size: 1.0625rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-detail {
    display: flex;
    gap: 20px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--plum-100), var(--plum-200));
    border-radius: var(--radius-md);
    color: var(--plum-700);
    flex-shrink: 0;
}

.contact-detail strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    color: var(--plum-900);
    margin-bottom: 4px;
}

.contact-detail p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.contact-detail a {
    color: var(--plum-600);
}

.contact-detail a:hover {
    color: var(--plum-800);
    text-decoration: underline;
}

/* --- Contact Form --- */
.contact-form-wrapper {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: 48px;
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: 32px;
    color: var(--plum-900);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--gray-800);
    background: var(--white);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--plum-500);
    box-shadow: 0 0 0 3px rgba(147,51,234,0.15);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border: 1px solid #6ee7b7;
    border-radius: var(--radius-sm);
    color: #065f46;
    font-weight: 500;
    font-size: 0.9375rem;
    margin-top: 16px;
}

.form-success.show {
    display: flex;
}

/* --- Map Section --- */
.map-section {
    background: var(--gray-100);
}

.map-section iframe {
    display: block;
    width: 100%;
    height: 350px;
    filter: grayscale(30%);
}

/* --- Footer --- */
.footer {
    background: var(--plum-950);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-top: 16px;
    max-width: 280px;
}

.footer h4 {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--amber-400);
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.65);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    margin-bottom: 12px;
}

.footer-contact a:hover {
    color: var(--amber-400);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 32px 0;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.45);
    text-align: center;
}

.footer-bottom a {
    color: rgba(255,255,255,0.55);
}

.footer-bottom a:hover {
    color: var(--amber-400);
}

/* --- Scroll Reveal --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-container {
        gap: 48px;
    }

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

    .about-grid,
    .new-patients-content,
    .contact-grid {
        gap: 48px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .hero-subheadline {
        margin: 0 auto 32px;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-trust {
        justify-content: center;
    }

    .hero-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .hero-badge {
        left: 50%;
        transform: translateX(-50%);
    }

    .services {
        padding: 72px 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .service-card {
        padding: 28px 24px;
    }

    .about {
        padding: 72px 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 56px;
    }

    .about-img-secondary {
        right: 0;
        bottom: -24px;
    }

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

    .new-patients {
        padding: 72px 0;
    }

    .new-patients-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .new-patients-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .contact {
        padding: 72px 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .contact-form-wrapper {
        padding: 32px 24px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-headline {
        font-size: 2rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .about-img-main {
        aspect-ratio: 1;
    }

    .about-img-secondary {
        width: 60%;
        right: -16px;
        bottom: -16px;
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
}