/* ============================================
   Dr. Frank Walsh, DDS — Editorial Dental Site
   Charcoal + Coral Palette
   ============================================ */

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

:root {
    --charcoal: #1A1D20;
    --charcoal-light: #2C3035;
    --charcoal-mid: #3D4248;
    --coral: #E8645B;
    --coral-light: #F28A82;
    --coral-dark: #C94E45;
    --cream: #FAF7F5;
    --cream-dark: #F0EBE6;
    --white: #FFFFFF;
    --text-dark: #1A1D20;
    --text-mid: #4A4F55;
    --text-light: #7A7F85;
    --text-on-dark: #F5F3F0;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background: var(--cream);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Typography ── */
.section-label {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--coral);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.section-sub {
    font-size: 1.1rem;
    color: var(--text-mid);
    line-height: 1.7;
    max-width: 600px;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 14px 32px;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s var(--ease-out);
    white-space: nowrap;
}

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

.btn--primary:hover {
    background: var(--coral-dark);
    border-color: var(--coral-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(232, 100, 91, 0.3);
}

.btn--ghost {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
}

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

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

.btn--outline:hover {
    background: var(--charcoal);
    color: var(--white);
    transform: translateY(-2px);
}

.btn--lg {
    padding: 18px 40px;
    font-size: 1rem;
}

.btn--sm {
    padding: 10px 24px;
    font-size: 0.85rem;
}

.btn--full {
    width: 100%;
}

/* ── Navigation ── */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    transition: all 0.4s var(--ease-out);
}

.nav.scrolled {
    background: rgba(26, 29, 32, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.nav__inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    transition: padding 0.4s var(--ease-out);
}

.nav.scrolled .nav__inner {
    padding: 14px 0;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav__logo-mark {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--coral);
    width: 40px;
    height: 40px;
    border: 2px solid var(--coral);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav__logo-text {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: -0.01em;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav__links a {
    font-size: 0.875rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.75);
    transition: color 0.3s;
    letter-spacing: 0.01em;
}

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

.nav__cta {
    font-weight: 500 !important;
    color: var(--coral) !important;
    border: 1px solid var(--coral);
    padding: 8px 20px;
    border-radius: 6px;
    transition: all 0.3s var(--ease-out) !important;
}

.nav__cta:hover {
    background: var(--coral);
    color: var(--white) !important;
}

.nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--white);
    padding: 8px;
}

/* ── Mobile Menu ── */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease-out);
}

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

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

.mobile-menu__link {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    color: var(--white);
    transition: color 0.3s;
}

.mobile-menu__link:hover {
    color: var(--coral);
}

.mobile-menu__cta {
    margin-top: 16px;
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--coral);
    border: 2px solid var(--coral);
    padding: 14px 32px;
    border-radius: 6px;
    transition: all 0.3s var(--ease-out);
}

.mobile-menu__cta:hover {
    background: var(--coral);
    color: var(--white);
}

/* ── Hero ── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

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

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 29, 32, 0.88) 0%,
        rgba(26, 29, 32, 0.72) 50%,
        rgba(26, 29, 32, 0.55) 100%
    );
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 24px 80px;
    width: 100%;
}

.hero__tag {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--coral-light);
    margin-bottom: 32px;
}

.hero__tag-line {
    width: 40px;
    height: 2px;
    background: var(--coral);
    flex-shrink: 0;
}

.hero__headline {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
    max-width: 800px;
    letter-spacing: -0.02em;
}

.hero__accent {
    color: var(--coral-light);
    font-style: italic;
    font-weight: 400;
}

.hero__sub {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 560px;
    margin-bottom: 40px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: rgba(255, 255, 255, 0.4);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ── Services ── */
.services {
    padding: 120px 0;
    background: var(--cream);
}

.services .section-label,
.services .section-title,
.services .section-sub {
    margin-bottom: 64px;
}

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

.service-card {
    background: var(--white);
    border-radius: 12px;
    padding: 40px 32px;
    transition: all 0.4s var(--ease-out);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(26, 29, 32, 0.08);
    border-color: var(--coral);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: rgba(232, 100, 91, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--coral);
    margin-bottom: 24px;
    transition: all 0.3s;
}

.service-card:hover .service-card__icon {
    background: var(--coral);
    color: var(--white);
}

.service-card__title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.service-card__text {
    font-size: 0.95rem;
    color: var(--text-mid);
    line-height: 1.7;
}

/* ── About ── */
.about {
    padding: 120px 0;
    background: var(--charcoal);
    overflow: hidden;
}

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

.about__image-wrap {
    position: relative;
}

.about__image-wrap img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 16px;
}

.about__image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    border: 3px solid var(--coral);
    border-radius: 16px;
    z-index: -1;
}

.about__content {
    color: var(--text-on-dark);
}

.about__content .section-label {
    color: var(--coral-light);
}

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

.about__body {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about__stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat__number {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--coral-light);
}

.stat__label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ── Why Us ── */
.why {
    padding: 120px 0;
    background: var(--cream-dark);
}

.why__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 64px;
}

.why-card {
    background: var(--white);
    border-radius: 12px;
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--ease-out);
}

.why-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(26, 29, 32, 0.08);
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--coral);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s var(--ease-out);
}

.why-card:hover::before {
    transform: scaleX(1);
}

.why-card__num {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(232, 100, 91, 0.12);
    line-height: 1;
    margin-bottom: 16px;
}

.why-card__title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.why-card__text {
    font-size: 0.95rem;
    color: var(--text-mid);
    line-height: 1.7;
}

/* ── CTA Band ── */
.cta-band {
    padding: 100px 0;
    background: var(--charcoal);
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: rgba(232, 100, 91, 0.06);
}

.cta-band__content {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-band__title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.cta-band__text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 40px;
}

.cta-band__actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
}

/* ── Contact ── */
.contact {
    padding: 120px 0;
    background: var(--cream);
}

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

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-top: 48px;
}

.contact__item {
    display: flex;
    gap: 20px;
}

.contact__item svg {
    color: var(--coral);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact__item strong {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.contact__item p {
    font-size: 1rem;
    color: var(--text-mid);
    line-height: 1.6;
}

.contact__item a {
    color: var(--coral);
    transition: color 0.3s;
}

.contact__item a:hover {
    color: var(--coral-dark);
}

.contact__form-wrap {
    background: var(--white);
    border-radius: 16px;
    padding: 48px;
    box-shadow: 0 20px 60px rgba(26, 29, 32, 0.06);
}

.contact__form-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-mid);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid var(--cream-dark);
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--text-dark);
    background: var(--cream);
    transition: all 0.3s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--coral);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(232, 100, 91, 0.08);
}

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

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

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 48px 24px;
    gap: 16px;
}

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

.form-success h4 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.form-success p {
    font-size: 0.95rem;
    color: var(--text-mid);
    line-height: 1.6;
}

/* ── Map Section ── */
.map-section {
    background: var(--charcoal-light);
}

.map-section__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 400px;
}

.map-section__info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 64px;
    background: var(--charcoal-light);
}

.map-section__label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--coral);
    margin-bottom: 16px;
}

.map-section__title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 32px;
}

.map-section__map {
    min-height: 400px;
}

/* ── Footer ── */
.footer {
    background: var(--charcoal);
    padding: 64px 0 32px;
}

.footer__top {
    display: flex;
    justify-content: space-between;
    align-items: start;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    gap: 40px;
    flex-wrap: wrap;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer__logo-mark {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--coral);
    width: 44px;
    height: 44px;
    border: 2px solid var(--coral);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.footer__name {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--white);
    display: block;
}

.footer__tagline {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 2px;
}

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

.footer__links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.3s;
}

.footer__links a:hover {
    color: var(--coral-light);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    flex-wrap: wrap;
    gap: 16px;
}

.footer__bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about__layout {
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav__links {
        display: none;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .hero__headline {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero__sub {
        font-size: 1rem;
    }
    
    .services {
        padding: 80px 0;
    }
    
    .services .section-label,
    .services .section-title,
    .services .section-sub {
        margin-bottom: 40px;
    }
    
    .services__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .service-card {
        padding: 32px 28px;
    }
    
    .about {
        padding: 80px 0;
    }
    
    .about__layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about__image-wrap img {
        height: 350px;
    }
    
    .about__image-accent {
        width: 120px;
        height: 120px;
        bottom: -12px;
        right: -12px;
    }
    
    .about__stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .why {
        padding: 80px 0;
    }
    
    .why__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .why-card {
        padding: 36px 28px;
    }
    
    .cta-band {
        padding: 80px 0;
    }
    
    .contact {
        padding: 80px 0;
    }
    
    .contact__layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact__form-wrap {
        padding: 32px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .map-section__inner {
        grid-template-columns: 1fr;
    }
    
    .map-section__info {
        padding: 48px 24px;
    }
    
    .map-section__map {
        min-height: 280px;
    }
    
    .footer__top {
        flex-direction: column;
        gap: 32px;
    }
    
    .footer__links {
        gap: 20px;
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero__actions {
        flex-direction: column;
    }
    
    .hero__actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-band__actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-band__actions .btn {
        width: 100%;
        justify-content: center;
    }
}