/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* Light Gray Color Palette */
:root {
    --primary-gray: #6c757d;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #495057;
    --accent-gray: #adb5bd;
    --white: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
}

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px var(--shadow);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    animation: slideDown 0.7s ease-out;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: var(--primary-gray);
    font-weight: 700;
    font-size: 1.8rem;
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
    box-shadow: none;
    border-radius: 0;
    display: inline;
    line-height: 1;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-gray);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--dark-gray);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--medium-gray) 100%);
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--primary-gray);
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.btn {
    padding: 12px 30px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    background: transparent;
    box-shadow: none;
    border-radius: 50px;
}

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

.btn-primary:hover {
    background: var(--dark-gray);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-gray);
    border: 2px solid var(--primary-gray);
}

.btn-secondary:hover {
    background: var(--primary-gray);
    color: var(--white);
    transform: translateY(-2px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out 0.2s;
    animation-fill-mode: backwards;
}

.hero-placeholder {
    width: 300px;
    height: 300px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px var(--shadow);
    transition: transform 0.3s ease;
    animation: zoomIn 0.8s ease-out 0.4s;
    animation-fill-mode: backwards;
}

.hero-placeholder:hover {
    transform: translateY(-10px);
}

.hero-placeholder i {
    font-size: 6rem;
    color: var(--primary-gray);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

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

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--light-gray);
    padding: 2.5rem;
    border-radius: 50px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--medium-gray);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px var(--shadow-hover);
    background: var(--white);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    background: var(--dark-gray);
    transform: scale(1.1);
}

.feature-icon i {
    font-size: 2rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--primary-gray);
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--primary-gray);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-gray);
    margin-bottom: 0.5rem;
}

.stat p {
    color: var(--dark-gray);
    font-weight: 500;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-placeholder {
    width: 350px;
    height: 350px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px var(--shadow);
    transition: transform 0.3s ease;
}

.about-placeholder:hover {
    transform: translateY(-10px);
}

.about-placeholder i {
    font-size: 5rem;
    color: var(--primary-gray);
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-gray);
    margin-top: 0.25rem;
}

.contact-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: var(--primary-gray);
}

.contact-form {
    background: var(--light-gray);
    padding: 2rem;
    border-radius: 50px;
    border: 1px solid var(--medium-gray);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--medium-gray);
    border-radius: 25px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-gray);
    box-shadow: 0 0 0 3px rgba(108, 117, 125, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-section p {
    color: var(--accent-gray);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: var(--accent-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 10px 15px;
    border: none;
    border-radius: 25px;
    font-size: 0.9rem;
}

.newsletter-form button {
    padding: 10px 20px;
    background: var(--primary-gray);
    color: var(--white);
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.newsletter-form button:hover {
    background: transparent;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--primary-gray);
    color: var(--accent-gray);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .about-text, .contact-info {
        text-align: left;
    }

    .hero-image {
        order: -1;
        margin-bottom: 2rem;
    }

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

    .hero-description {
        margin: 0 auto 2rem;
        max-width: 600px;
    }

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

    .stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .about-image {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .features, .about, .contact {
        padding: 60px 0;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px var(--shadow);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

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

    .hero-title {
        font-size: 2.6rem;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .stat h3 {
        font-size: 2.2rem;
    }

    .hero-placeholder,
    .about-placeholder {
        width: 250px;
        height: 250px;
    }

    .hero-placeholder i {
        font-size: 5rem;
    }

    .about-placeholder i {
        font-size: 4rem;
    }

    .section-header h2,
    .about-text h2 {
        font-size: 2.2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card {
        padding: 2rem;
        border-radius: 30px;
    }

    .about-text, .contact-info {
        text-align: center;
    }
}

@media (max-width: 480px) {
    body.no-scroll {
        overflow: hidden;
    }

    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 80px 0 40px;
    }

    .hero-title {
        font-size: 2.1rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 1rem;
    }

    .feature-card {
        padding: 2rem 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .section-header h2,
    .about-text h2 {
        font-size: 1.8rem;
    }

    .stat h3 {
        font-size: 1.9rem;
    }
}

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

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes zoomIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.feature-card,
.about-text,
.contact-info {
    /* Animations handled by Intersection Observer in JS */
}

/* Smooth scrolling for anchor links */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
button:focus,
input:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--primary-gray);
    outline-offset: 2px;
}