:root {
    --primary: #0284c7;
    --primary-dark: #0369a1;
    --primary-light: #e0f2fe;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --success: #10b981;
    --dark: #0f172a;
    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748b;
    --slate-400: #94a3b8;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50: #f8fafc;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 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-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--slate-800);
    background-color: #f8fafc;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* Header & Navigation */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--slate-200);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--slate-900);
}

.brand .logo-icon {
    font-size: 1.4rem;
}

.brand .highlight {
    color: var(--primary);
}

.brand .sub-tag {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 2px 8px;
    border-radius: 6px;
    letter-spacing: 0.5px;
    margin-left: 6px;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--slate-600);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(2, 132, 199, 0.35);
}

.btn-whatsapp {
    background: #25d366;
    color: #ffffff;
    font-weight: 700;
}

.btn-whatsapp:hover {
    background: #20ba59;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--slate-200);
    color: var(--slate-700);
}

.btn-outline:hover {
    background: var(--slate-100);
    border-color: var(--slate-400);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0369a1 100%);
    color: var(--white);
    padding: 4rem 1.5rem 5rem;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.hero-inner {
    max-width: 1280px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    text-align: center;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 1rem;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: #bae6fd;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero h1 span {
    background: linear-gradient(90deg, #38bdf8, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.15rem;
    color: #cbd5e1;
    max-width: 760px;
    margin: 0 auto 2.5rem;
}

/* Quick Filter Bar in Hero */
.filter-card {
    background: var(--white);
    padding: 1.25rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 1100px;
    margin: 0 auto -7rem;
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)) auto;
    gap: 1rem;
    align-items: center;
    color: var(--slate-800);
}

.filter-group {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.filter-group label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--slate-500);
    margin-bottom: 0.35rem;
    letter-spacing: 0.5px;
}

.filter-group select, .filter-group input {
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--slate-800);
    outline: none;
    background: var(--slate-50);
    transition: var(--transition);
}

.filter-group select:focus, .filter-group input:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Main Showcase Section */
.projects-section {
    max-width: 1280px;
    margin: 9rem auto 4rem;
    padding: 0 1.5rem;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-head h2 {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--slate-900);
}

.section-head p {
    color: var(--slate-500);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

.category-pills {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.pill-btn {
    padding: 0.45rem 1rem;
    border-radius: 9999px;
    border: 1px solid var(--slate-200);
    background: var(--white);
    color: var(--slate-600);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.pill-btn:hover, .pill-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* Project Cards Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--slate-200);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: #cbd5e1;
}

.card-img-wrap {
    position: relative;
    height: 220px;
    background: var(--slate-800);
    overflow: hidden;
}

.card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .card-img-wrap img {
    transform: scale(1.05);
}

.badge-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

.badge-new {
    background: #22c55e;
    color: #ffffff;
}

.badge-prelaunch {
    background: #f59e0b;
    color: #ffffff;
}

.badge-luxury {
    background: #8b5cf6;
    color: #ffffff;
}

.rera-tag {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(4px);
    color: #e2e8f0;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
}

.card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.builder-name {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--primary);
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--slate-900);
    margin-bottom: 0.5rem;
}

.project-loc {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: var(--slate-600);
    margin-bottom: 1rem;
}

.project-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    padding: 0.85rem 0;
    border-top: 1px dashed var(--slate-200);
    border-bottom: 1px dashed var(--slate-200);
    margin-bottom: 1.25rem;
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-size: 0.75rem;
    color: var(--slate-400);
    text-transform: uppercase;
    font-weight: 600;
}

.spec-val {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--slate-800);
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 1.25rem;
}

.price-val {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--slate-900);
}

.price-unit {
    font-size: 0.85rem;
    color: var(--slate-500);
    font-weight: 500;
}

.card-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-top: auto;
}

/* Modal Popup for Brochure / Contact */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(6px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
}

.modal-overlay.active {
    display: flex;
}

.modal-box {
    background: var(--white);
    border-radius: var(--radius-xl);
    max-width: 480px;
    width: 100%;
    padding: 2rem;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: var(--slate-100);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--slate-600);
}

.modal-box h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--slate-900);
}

.modal-box p {
    font-size: 0.9rem;
    color: var(--slate-600);
    margin-bottom: 1.5rem;
}

.form-field {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    text-align: left;
}

.form-field label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--slate-700);
    margin-bottom: 0.35rem;
}

.form-field input, .form-field select {
    padding: 0.75rem;
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    outline: none;
}

.form-field input:focus, .form-field select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Footer */
.footer {
    background: var(--slate-900);
    color: var(--slate-400);
    padding: 4rem 1.5rem 2rem;
    border-top: 1px solid var(--slate-800);
}

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 0.5rem;
}

.footer ul li a {
    color: var(--slate-400);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-copy {
    max-width: 1280px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--slate-800);
    text-align: center;
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .filter-card {
        margin-bottom: -9rem;
        grid-template-columns: 1fr;
    }
    .projects-grid {
        grid-template-columns: 1fr;
    }
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .nav-links {
        display: none;
    }
}