/* 
===============================================
SmartEstateApp CSS - Elite & Corporate
Primary Colors:
- Deep Navy Blue: #002147
- Platinum Grey: #E5E4E2
- Crisp White: #FFFFFF
- Accent Teal CTA: #128C9D
===============================================
*/

:root {
    --primary-navy: #153A5A;
    --navy-light: #245A80;
    --platinum-grey: #8A939E;
    --white: #FFFFFF;
    --accent-teal: #128C9D;
    --accent-teal-hover: #0E7280;
    --text-dark: #1F2937;
    --text-muted: #6B7280;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.3);
    --shadow-soft: 0 10px 30px rgba(21, 58, 90, 0.08);
    --shadow-hover: 0 15px 40px rgba(21, 58, 90, 0.15);
    --transition-speed: 0.3s;
}

/* Reset & Basics */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    /* Smooth Scroll */
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: #FAFAFA;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* Common Layout Helpers using Flexbox/Grid */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-speed);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

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

.btn-primary:hover {
    background-color: var(--navy-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 33, 71, 0.3);
}

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

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

.btn-accent {
    background-color: var(--accent-teal);
    color: var(--white);
    border: none;
}

.btn-accent:hover {
    background-color: var(--accent-teal-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(18, 140, 157, 0.4);
}

/* Typography Helpers */
.text-accent {
    color: var(--accent-teal);
}

/* 
------------------------------------------------
Sticky Navigation (Glassmorphism)
------------------------------------------------
*/
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, border-bottom 0.4s ease;
    padding: 1.5rem 0;
}

.navbar.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 48px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--primary-navy);
    font-size: 1rem;
}

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

.nav-ctas {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.mobile-toggle {
    display: none;
    font-size: 2rem;
    color: var(--primary-navy);
    cursor: pointer;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--primary-navy);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    transition: top 0.4s ease;
}

.mobile-menu.active {
    top: 0;
}

.mobile-menu a {
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 600;
}

.mobile-menu .btn-outline {
    border-color: var(--white);
    color: var(--white);
}

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

/* 
------------------------------------------------
Hero Section 
------------------------------------------------
*/
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 8rem 2rem 4rem 2rem;
    /* Buffer for sticky nav */
    gap: 4rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--primary-navy);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-graphics {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Glassmorphism abstract shapes */
.glass-shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-teal) 0%, var(--primary-navy) 100%);
    filter: blur(60px);
    opacity: 0.3;
    z-index: -1;
}

.shape-1 {
    width: 400px;
    height: 400px;
    top: -10%;
    right: -10%;
}

.shape-2 {
    width: 300px;
    height: 300px;
    bottom: -10%;
    left: -10%;
    background: linear-gradient(135deg, var(--platinum-grey) 0%, var(--primary-navy) 100%);
}

.hero-image-placeholder {
    width: 100%;
    max-width: 500px;
    height: 600px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    position: relative;
}

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

/* 
------------------------------------------------
Stats & Counter up
------------------------------------------------
*/
.stats-section {
    background-color: var(--primary-navy);
    color: var(--white);
    padding: 4rem 2rem;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
    border-radius: 16px;
    max-width: 1100px;
    margin: -3rem auto 3rem auto;
    position: relative;
    z-index: 10;
    box-shadow: var(--shadow-hover);
}

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

.stat-item h2 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent-teal);
    display: inline-block;
}

.stat-item span {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent-teal);
}

.stat-item p {
    font-size: 1.1rem;
    font-weight: 500;
    color: #fff;
    margin-top: 0.5rem;
}

/* 
------------------------------------------------
Trust Bar 
------------------------------------------------
*/
.trust-bar {
    max-width: 1280px;
    margin: 4rem auto;
    padding: 0 2rem;
    text-align: center;
}

.trust-subtitle {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-weight: 600;
}

.trust-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.grayscale {
    filter: grayscale(100%) opacity(0.6);
    transition: var(--transition-speed);
}

.grayscale:hover {
    filter: grayscale(0) opacity(1);
}

/* 
------------------------------------------------
The Fortress Feature Grid 
------------------------------------------------
*/
.features {
    /* background-color: var(--platinum-grey); */
    background-image: url("../images/bg-features.jpg");
    background-size: cover;
    background-position: center;
    padding: 6rem 2rem;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-navy);
    margin-bottom: 1rem;
    font-weight: 800;
}

.section-header p {
    font-size: 1.1rem;
    color: #fff;
}

.feature-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.feature-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    text-align: center;
}

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

.icon-wrapper {
    width: 70px;
    height: 70px;
    background-color: rgba(0, 33, 71, 0.05);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 1.5rem auto;
}

.icon-wrapper i {
    font-size: 2.5rem;
    color: var(--primary-navy);
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--primary-navy);
    margin-bottom: 1rem;
    font-weight: 700;
}

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

/* 
------------------------------------------------
Interactive Toggle Section 
------------------------------------------------
*/
.views-section {
    padding: 6rem 2rem;
    max-width: 1280px;
    margin: 0 auto;
}

.toggle-container {
    display: flex;
    justify-content: center;
    margin-bottom: 4rem;
}

.toggle-switch {
    background: var(--platinum-grey);
    padding: 0.5rem;
    border-radius: 50px;
    display: inline-flex;
    gap: 0.5rem;
}

.toggle-btn {
    padding: 0.75rem 2rem;
    border-radius: 50px;
    border: none;
    background: transparent;
    font-weight: 600;
    font-size: 1rem;
    color: #fff;
    cursor: pointer;
    transition: var(--transition-speed);
}

.toggle-btn.active {
    background: var(--primary-navy);
    color: var(--white);
    box-shadow: var(--shadow-soft);
}

.view-content {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.view-content.active-view {
    display: grid;
    animation: fadeInView 0.5s ease-out forwards;
}

@keyframes fadeInView {
    from {
        opacity: 0;
        transform: scale(0.98);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.view-text h3 {
    font-size: 2rem;
    color: var(--primary-navy);
    margin-bottom: 1.5rem;
}

.view-text ul {
    margin-bottom: 2rem;
}

.view-text ul li {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-dark);
}

.view-text ul li i {
    color: var(--accent-teal);
    font-size: 1.5rem;
}

/* UI Mockups inside Views */
.mockup-frame {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
    overflow: hidden;
    width: 100%;
    max-width: 350px;
    margin: 0 auto;
    border: 8px solid var(--platinum-grey);
}

.guard-theme {
    border-color: var(--primary-navy);
}

.mockup-header {
    background: var(--primary-navy);
    color: var(--white);
    padding: 1.5rem;
    font-weight: 600;
    font-size: 1.25rem;
    text-align: center;
}

.guard-theme .mockup-header {
    background: var(--accent-teal);
    color: var(--primary-navy);
}

.mockup-body {
    padding: 2rem;
    background: #f4f6f8;
    min-height: 300px;
}

.mockup-card {
    background: var(--white);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.mockup-scan-box {
    border: 2px dashed var(--primary-navy);
    height: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    color: var(--primary-navy);
}

.mockup-scan-box i {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.mockup-btn {
    background: var(--primary-navy);
    color: var(--white);
    text-align: center;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 600;
}

/* 
------------------------------------------------
Elite Footer
------------------------------------------------
*/
.elite-footer {
    background-color: var(--primary-navy);
    color: var(--white);
    padding: 6rem 2rem 2rem 2rem;
}

.footer-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    margin-bottom: 1.5rem;
    height: 48px;
}

.brand-col p {
    color: var(--platinum-grey);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.25rem;
}

.social-links a:hover {
    background: var(--accent-teal);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    color: var(--white);
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: var(--platinum-grey);
    transition: var(--transition-speed);
}

.footer-col ul li a:hover {
    color: var(--accent-teal);
    padding-left: 5px;
}

.newsletter-col p {
    color: var(--platinum-grey);
    margin-bottom: 1.5rem;
}

.newsletter-form {
    display: flex;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 8px 0 0 8px;
    outline: none;
    font-family: inherit;
}

.newsletter-form button {
    border-radius: 0 8px 8px 0;
}

.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--platinum-grey);
    font-size: 0.9rem;
}

.legal-links {
    display: flex;
    gap: 1.5rem;
}

.legal-links a:hover {
    color: var(--accent-teal);
}

/* 
------------------------------------------------
Media Queries (Mobile Responsive)
------------------------------------------------
*/
@media (max-width: 1024px) {
    .hero {
        gap: 2rem;
    }

    .hero-title {
        font-size: 3rem;
    }

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

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
}

@media (max-width: 768px) {

    .nav-links,
    .nav-ctas {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 8rem;
    }

    .hero-subtitle {
        margin: 0 auto 2.5rem auto;
    }

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

    .hero-image-placeholder {
        margin: 0 auto;
    }

    .stats-section {
        flex-direction: column;
        gap: 3rem;
    }

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

    .view-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .view-text h3 {
        font-size: 1.75rem;
    }

    .view-text ul li {
        justify-content: center;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}