/* ===== CSS VARIABLES ===== */
:root {
    --primary: #0A2540;
    --accent: #D4AF37;
    --white: #FFFFFF;
    --light-gray: #F5F7FA;
    --text-dark: #1A1A1A;
    --text-light: #5A6473;
    
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --shadow-soft: 0 10px 30px rgba(0,0,0,0.05);
    --shadow-hover: 0 20px 40px rgba(10, 37, 64, 0.1);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* ===== RESET & GLOBAL ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--primary);
    line-height: 1.3;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.bg-light {
    background-color: var(--light-gray);
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 500;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border: 2px solid transparent;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-large {
    padding: 15px 32px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

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

.btn-primary:hover {
    background-color: #0d3256;
    box-shadow: var(--shadow-hover);
    color: var(--white);
}

.btn-accent {
    background-color: var(--accent);
    color: var(--white);
}

.btn-accent:hover {
    background-color: #c09e32;
    box-shadow: var(--shadow-hover);
}

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

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--white);
}

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

.btn-outline-white:hover {
    background-color: var(--white);
    color: var(--primary);
}

/* ===== FLOATING CTA ===== */
.floating-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.float-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
}

.float-btn:hover {
    transform: translateY(-5px) scale(1.05);
}

.whatsapp-btn {
    background-color: #25D366;
}

.call-btn {
    background-color: var(--primary);
}

/* ===== HEADER ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 15px 0;
    transition: var(--transition);
}

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

.logo {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary);
}

.logo span {
    color: var(--accent);
}

.nav-menu ul {
    display: flex;
    gap: 30px;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
}

.nav-menu a:hover {
    color: var(--accent);
}

.nav-actions {
    display: flex;
    gap: 15px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary);
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: url('images/hero_bg.png') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10,37,64,0.9) 0%, rgba(10,37,64,0.5) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    text-align: center;
    color: var(--white);
    margin: 0 auto;
}

.hero h1 {
    color: var(--white);
    font-size: 3.5rem;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease forwards;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    animation: fadeInUp 1s ease forwards;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.2s ease forwards;
}

/* Trust Bar */
.trust-bar {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    max-width: 1000px;
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 25px 40px;
    display: flex;
    justify-content: space-between;
    box-shadow: var(--shadow-hover);
    z-index: 10;
}

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

.trust-item i {
    font-size: 24px;
    color: var(--accent);
}

.trust-item span {
    font-weight: 600;
    color: var(--primary);
    font-family: var(--font-heading);
}

/* ===== SECTIONS COMMON ===== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent);
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== WHY CHOOSE US ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.feature-card .icon {
    width: 70px;
    height: 70px;
    background: var(--light-gray);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.feature-card:hover .icon {
    background: var(--primary);
    color: var(--white);
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ===== PROJECTS ===== */
.projects {
    padding-top: 120px; /* Space for trust bar */
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.project-img {
    position: relative;
    height: 250px;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--accent);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.project-info {
    padding: 25px;
}

.project-info h3 {
    margin-bottom: 8px;
}

.location {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.location i {
    color: var(--primary);
}

.project-details {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.project-details span {
    font-size: 0.9rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.builder {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.price-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-heading);
}

/* ===== INVESTMENT AREAS ===== */
.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.area-card {
    background: var(--primary);
    color: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.area-card::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 100px;
    height: 100px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.area-card:hover {
    background: #0d3256;
    transform: translateY(-5px);
}

.area-card:hover::before {
    transform: scale(3);
}

.area-content {
    position: relative;
    z-index: 2;
}

.area-content h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.area-content p {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.area-content span {
    font-weight: 500;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== CALCULATOR HUB ===== */
.calculator-wrapper {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    max-width: 900px;
    margin: 0 auto;
}

.calc-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
}

.tab-btn {
    flex: 1;
    padding: 20px;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    font-family: var(--font-heading);
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom: 3px solid var(--accent);
    background: rgba(212, 175, 55, 0.05);
}

.calc-content {
    display: none;
    padding: 40px;
}

.calc-content.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.calc-inputs {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--primary);
}

.input-group input[type="number"] {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-family: var(--font-body);
}

.input-group input[type="range"] {
    width: 100%;
    accent-color: var(--accent);
}

.calc-results {
    background: var(--primary);
    color: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.calc-results h3 {
    color: var(--white);
    font-size: 1.2rem;
}

.emi-value {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--accent);
    margin: 20px 0;
}

.result-details {
    margin-bottom: 30px;
}

.res-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.res-row:last-child {
    border-bottom: none;
}

.calc-cta p {
    font-size: 0.9rem;
    margin-bottom: 15px;
    color: rgba(255,255,255,0.8);
}

.coming-soon {
    text-align: center;
    padding: 40px 0;
}

.coming-soon i {
    font-size: 50px;
    color: #ccc;
    margin-bottom: 20px;
}

/* ===== FINAL CTA ===== */
.final-cta {
    background: var(--primary);
    text-align: center;
    color: var(--white);
    padding: 100px 0;
}

.final-cta h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
    background-color: #051424;
    color: var(--white);
    padding: 80px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    max-width: 300px;
}

.footer-links h4, .footer-contact h4 {
    color: var(--accent);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255,255,255,0.6);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.social-icons a:hover {
    background: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.4);
    font-size: 0.9rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .calc-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu, .nav-actions {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .trust-bar {
        position: static;
        transform: none;
        width: 100%;
        flex-direction: column;
        gap: 20px;
        margin-top: 40px;
        background: transparent;
        box-shadow: none;
        padding: 0;
    }
    .trust-item {
        background: rgba(255,255,255,0.1);
        padding: 15px;
        border-radius: 8px;
        justify-content: center;
    }
    .trust-item span {
        color: var(--white);
    }
    .projects {
        padding-top: 60px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}