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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Navigation */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.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: #2c3e50;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #3498db;
}

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

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: white;
    position: relative;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    overflow: hidden;
    padding: 150px 0 100px;
    margin-top: 70px;
}

.grid-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 0, 0, 0.1) 1px, transparent 1px);
    background-size: 40px 40px;
}

.content-wrapper {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 80px;
}

.left-content {
    flex: 1;
    max-width: 600px;
}

.badge {
    display: inline-flex;
    align-items: center;
    background: rgba(240, 55, 35, 0.1);
    color: #F03723;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid rgba(240, 55, 35, 0.2);
}

.badge::before {
    content: "✨";
    margin-right: 8px;
}

.main-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.1;
    color: #000;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 20px;
    color: #666;
    font-weight: 400;
    line-height: 1.4;
    margin-bottom: 32px;
}

.highlight {
    color: #F03723;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    align-items: center;
}

.right-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.notion-cards {
    position: relative;
    width: 400px;
    height: 300px;
}

.card {
    position: absolute;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.16);
}

.card-1 {
    width: 280px;
    height: 160px;
    top: 0;
    left: 0;
    z-index: 3;
    animation: float 6s ease-in-out infinite;
}

.card-2 {
    width: 240px;
    height: 140px;
    top: 80px;
    right: 0;
    z-index: 2;
    animation: float 6s ease-in-out infinite 2s;
}

.card-3 {
    width: 200px;
    height: 120px;
    bottom: 0;
    left: 60px;
    z-index: 1;
    animation: float 6s ease-in-out infinite 4s;
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: #000;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.card-icon {
    width: 20px;
    height: 20px;
    background: #F03723;
    border-radius: 4px;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
}

.card-subtitle {
    font-size: 14px;
    color: #666;
}

.card-content {
    padding: 16px 20px;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: #f0f0f0;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-fill {
    height: 100%;
    background: #F03723;
    border-radius: 3px;
    animation: progressGrow 3s ease-out infinite;
}

.card-1 .progress-fill { width: 75%; }
.card-2 .progress-fill { width: 60%; }
.card-3 .progress-fill { width: 90%; }

.tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(240, 55, 35, 0.1);
    color: #F03723;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes progressGrow {
    0% { width: 0%; }
    50% { width: var(--target-width, 75%); }
    100% { width: var(--target-width, 75%); }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background: #F03723;
    border-radius: 50%;
    opacity: 0.6;
    animation: floatDot 8s ease-in-out infinite;
}

.floating-dot:nth-child(1) { top: 20%; left: 15%; animation-delay: 0s; }
.floating-dot:nth-child(2) { top: 60%; left: 85%; animation-delay: 2s; }
.floating-dot:nth-child(3) { top: 80%; left: 20%; animation-delay: 4s; }

@keyframes floatDot {
    0%, 100% { transform: translateY(0px) scale(1); opacity: 0.6; }
    50% { transform: translateY(-20px) scale(1.2); opacity: 0.8; }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: #F03723;
    color: white;
    box-shadow: 0 4px 12px rgba(240, 55, 35, 0.3);
    border: none;
    border-radius: 8px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
}

.btn-primary:hover {
    background: #d62f1f;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(240, 55, 35, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #000;
    border: 2px solid #e5e5e5;
    border-radius: 8px;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
}

.btn-secondary:hover {
    border-color: #F03723;
    color: #F03723;
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #2c3e50;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Content Sections */
.content-section {
    padding: 80px 0;
}

.content-section h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #2c3e50;
    text-align: center;
}

.content-section h2 {
    font-size: 2rem;
    margin: 40px 0 20px;
    color: #34495e;
}

.content-section p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.8;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.content-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
}

.content-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
}

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

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

/* Footer */
.footer {
    background-color: #F03723;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.footer-logo {
    height: 40px;
    width: auto;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

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

    .nav-toggle {
        display: flex;
    }

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

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .content-wrapper {
        flex-direction: column;
        padding: 0 40px;
        text-align: center;
    }

    .left-content {
        max-width: 100%;
        margin-bottom: 40px;
    }

    .main-title {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .right-visual {
        order: -1;
        margin-bottom: 40px;
    }

    .notion-cards {
        width: 300px;
        height: 250px;
        transform: scale(0.8);
    }

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

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

    .contact-form {
        margin: 0 20px;
        padding: 30px 20px;
    }

    .founder-section {
        flex-direction: column !important;
        text-align: center !important;
        gap: 30px !important;
    }

    .founder-section > div:first-child {
        order: 2;
    }

    .founder-section > div:last-child {
        order: 1;
        flex: none !important;
    }
}

/* LinkedIn button hover effect */
a[href*="linkedin"]:hover {
    background-color: #0077b5 !important;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 119, 181, 0.3) !important;
}

@media screen and (max-width: 480px) {
    .hero {
        padding: 120px 0 80px;
    }

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

    .main-title {
        font-size: 2rem;
    }

    .notion-cards {
        width: 250px;
        height: 200px;
        transform: scale(0.7);
    }

    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}