/* ============================================
   DIANA DU REALTY — Editorial Real Estate Site
   Charcoal + Coral Palette
   ============================================ */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --charcoal-950: #0f1117;
    --charcoal-900: #1a1d27;
    --charcoal-800: #232735;
    --charcoal-700: #2e3345;
    --charcoal-600: #3d4258;
    --charcoal-500: #4f5570;
    --charcoal-400: #6b7280;
    --charcoal-300: #9ca3af;
    --charcoal-200: #d1d5db;
    --charcoal-100: #f3f4f6;
    --charcoal-50: #f9fafb;

    --coral-600: #dc4a5a;
    --coral-500: #F97583;
    --coral-400: #fb95a0;
    --coral-300: #fcb8c0;
    --coral-200: #feddd9;
    --coral-100: #fff0f0;

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

    --nav-height: 72px;
    --container-max: 1200px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

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

body {
    font-family: var(--font-sans);
    color: var(--charcoal-800);
    background: var(--charcoal-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    background: rgba(15, 17, 23, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.3s ease;
}

.nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.nav-logo-icon {
    color: var(--coral-500);
}

.nav-logo-accent {
    color: var(--coral-500);
    font-weight: 400;
    font-style: italic;
}

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

.nav-links a {
    color: var(--charcoal-300);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--coral-400);
}

.nav-cta {
    background: var(--coral-500) !important;
    color: #fff !important;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600 !important;
    transition: background 0.2s ease, transform 0.2s ease !important;
}

.nav-cta:hover {
    background: var(--coral-600) !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--charcoal-950);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(249, 117, 131, 0.25) 0%, transparent 70%),
        radial-gradient(ellipse 60% 50% at 20% 60%, rgba(220, 74, 90, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 80% 30%, rgba(251, 149, 160, 0.12) 0%, transparent 50%),
        linear-gradient(180deg, var(--charcoal-950) 0%, #1c1018 50%, var(--charcoal-950) 100%);
}

.hero-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.08) 0%, transparent 100%),
        radial-gradient(1px 1px at 40% 70%, rgba(255,255,255,0.06) 0%, transparent 100%),
        radial-gradient(1px 1px at 60% 20%, rgba(255,255,255,0.07) 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 50%, rgba(255,255,255,0.05) 0%, transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
}

.hero-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--coral-400);
    margin-bottom: 24px;
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 900;
    line-height: 1.05;
    color: #fff;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
}

.hero-headline br {
    display: none;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--charcoal-300);
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto 40px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    align-items: center;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.hero-stat-num {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
}

.hero-stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--charcoal-500);
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: var(--charcoal-700);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--charcoal-500);
    animation: scrollBounce 2s ease-in-out infinite;
}

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

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--coral-500);
    color: #fff;
}

.btn-primary:hover {
    background: var(--coral-600);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(249, 117, 131, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid var(--charcoal-600);
}

.btn-secondary:hover {
    border-color: var(--coral-400);
    color: var(--coral-400);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--coral-500);
    margin-bottom: 16px;
}

.section-headline {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--charcoal-900);
    margin-bottom: 20px;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: 120px 0;
    background: var(--charcoal-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image-wrap {
    position: relative;
}

.about-image-wrap img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 120px;
    height: 120px;
    background: var(--coral-500);
    border-radius: var(--radius-md);
    z-index: -1;
}

.about-content {
    padding: 20px 0;
}

.about-text {
    font-size: 1.05rem;
    color: var(--charcoal-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-signature {
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid var(--charcoal-200);
}

.about-signature-name {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--charcoal-900);
    font-style: italic;
}

.about-signature-title {
    font-size: 0.85rem;
    color: var(--charcoal-400);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
    padding: 120px 0;
    background: var(--charcoal-900);
}

.services .section-headline,
.services .services-intro {
    color: #fff;
}

.services .services-intro {
    color: var(--charcoal-300);
    font-size: 1.1rem;
    max-width: 560px;
    line-height: 1.7;
}

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

.services-header .services-intro {
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--charcoal-800);
    border: 1px solid var(--charcoal-700);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.service-card:hover {
    border-color: var(--coral-500);
    transform: translateY(-4px);
}

.service-icon {
    color: var(--coral-500);
    margin-bottom: 24px;
}

.service-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-desc {
    color: var(--charcoal-300);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   NEIGHBORHOODS
   ============================================ */
.neighborhoods {
    padding: 120px 0;
    background: var(--charcoal-50);
}

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

.neighborhoods-intro {
    color: var(--charcoal-500);
    font-size: 1.1rem;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

.neighborhoods-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.neighborhood-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.neighborhood-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.1);
}

.neighborhood-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.neighborhood-card-content {
    padding: 28px;
}

.neighborhood-name {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--charcoal-900);
    margin-bottom: 8px;
}

.neighborhood-desc {
    color: var(--charcoal-500);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials {
    padding: 120px 0;
    background: var(--charcoal-100);
}

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

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

.testimonial-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px;
    position: relative;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}

.testimonial-quote-mark {
    font-family: var(--font-serif);
    font-size: 4rem;
    line-height: 1;
    color: var(--coral-500);
    position: absolute;
    top: 20px;
    right: 28px;
    opacity: 0.3;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--charcoal-700);
    line-height: 1.8;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--charcoal-400);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ============================================
   CTA
   ============================================ */
.cta {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 70% 60% at 50% 50%, rgba(249, 117, 131, 0.2) 0%, transparent 70%),
        linear-gradient(135deg, var(--charcoal-950) 0%, #1c1018 100%);
}

.cta .container {
    position: relative;
    z-index: 2;
}

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

.cta-eyebrow {
    color: var(--coral-400);
}

.cta-headline {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.cta-text {
    color: var(--charcoal-300);
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 40px;
}

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

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: 120px 0;
    background: var(--charcoal-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-intro {
    font-size: 1.05rem;
    color: var(--charcoal-500);
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.contact-detail {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-detail-icon {
    color: var(--coral-500);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--charcoal-400);
    margin-bottom: 4px;
}

.contact-detail-value {
    font-size: 0.95rem;
    color: var(--charcoal-800);
    line-height: 1.6;
}

.contact-detail-link {
    color: var(--coral-600);
    font-weight: 500;
    transition: color 0.2s ease;
}

.contact-detail-link:hover {
    color: var(--coral-500);
}

.contact-map {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.contact-form-wrap {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.contact-form-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--charcoal-900);
    margin-bottom: 28px;
}

.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: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--charcoal-500);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--charcoal-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--charcoal-800);
    background: var(--charcoal-50);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--coral-500);
    box-shadow: 0 0 0 3px rgba(249, 117, 131, 0.1);
}

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

.form-success {
    display: none;
    text-align: center;
    padding: 48px 24px;
}

.form-success svg {
    color: var(--coral-500);
    margin-bottom: 16px;
}

.form-success h4 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--charcoal-900);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--charcoal-500);
    font-size: 0.95rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--charcoal-950);
    padding: 64px 0 32px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--charcoal-800);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
}

.footer-logo svg {
    color: var(--coral-500);
}

.footer-tagline {
    color: var(--charcoal-500);
    font-size: 0.9rem;
    margin-top: 8px;
    max-width: 280px;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--charcoal-400);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--coral-400);
}

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

.footer-bottom p {
    color: var(--charcoal-500);
    font-size: 0.8rem;
}

.footer-bottom a {
    color: var(--coral-400);
    transition: color 0.2s ease;
}

.footer-bottom a:hover {
    color: var(--coral-300);
}

/* ============================================
   MOBILE MENU
   ============================================ */
@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(15, 17, 23, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 28px;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: 1.2rem;
        color: var(--charcoal-200);
    }

    .nav-cta {
        font-size: 1rem !important;
    }

    .hero-headline br {
        display: block;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }

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

    .about-image-wrap img {
        height: 350px;
    }

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

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

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

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

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

    .footer-top {
        flex-direction: column;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

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

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

    .btn {
        width: 100%;
        max-width: 280px;
    }

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

    .contact-form-wrap {
        padding: 24px;
    }
}

/* ============================================
   SCROLL REVEAL (progressive enhancement)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

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

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* Ensure content is visible without JS */
.no-js .reveal {
    opacity: 1;
    transform: none;
}