/* Apple Style Landing Page - Ultra Clean */

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

:root {
    /* Apple Color Palette */
    --white: #ffffff;
    --black: #000000;
    --gray-50: #f9f9f9;
    --gray-100: #f2f2f7;
    --gray-200: #e5e5ea;
    --gray-300: #d1d1d6;
    --gray-400: #c7c7cc;
    --gray-500: #aeaeb2;
    --gray-600: #8e8e93;
    --gray-700: #636366;
    --gray-800: #48484a;
    --gray-900: #3a3a3c;
    
    /* Apple Blue */
    --blue: #007AFF;
    --blue-dark: #0051d5;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    
    /* Spacing */
    --section-padding: 120px 0;
    --container-padding: 0 40px;
    --max-width: 1120px;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 20px 0;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
    text-decoration: none;
}

.logo-img {
    width: 32px;
    height: auto;
    border-radius: 8px;
    object-fit: contain;
}

.logo-text {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nav-actions {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-btn {
    background: var(--blue);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 980px;
    text-decoration: none;
    font-weight: 600;
    font-size: 17px;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.nav-btn:hover {
    background: var(--blue-dark);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    padding: var(--section-padding);
    text-align: center;
}

.hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

.hero-logo {
    margin-bottom: 40px;
}

.hero-logo-img {
    width: 120px;
    height: auto;
    border-radius: 28px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    margin: 0 auto;
    display: block;
    object-fit: contain;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    color: var(--black);
}

.gradient-text {
    background: linear-gradient(135deg, var(--blue) 0%, #5856D6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 21px;
    color: var(--gray-600);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    line-height: 1.4;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: 980px;
    text-decoration: none;
    font-weight: 600;
    font-size: 17px;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    min-height: 56px;
    justify-content: center;
}

.btn-primary {
    background: var(--blue);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(0, 122, 255, 0.25);
}

.btn-primary:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 122, 255, 0.35);
}

.btn-secondary {
    background: var(--white);
    color: var(--black);
    border: 1px solid var(--gray-300);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.features-grid {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--container-padding);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 80px 60px;
    align-items: start;
}

.feature {
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
    display: block;
    line-height: 1;
}

.feature h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--black);
    letter-spacing: -0.01em;
}

.feature p {
    font-size: 17px;
    color: var(--gray-600);
    line-height: 1.5;
    margin: 0;
}

/* FAQ Section */
.faq {
    padding: var(--section-padding);
    background: var(--gray-50);
}

.faq-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

.faq-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--black);
    letter-spacing: -0.02em;
}

.faq-items {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
    padding: 32px 0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.faq-question:hover {
    color: var(--blue);
}

.faq-question h3 {
    font-size: 21px;
    font-weight: 600;
    color: inherit;
    margin: 0;
}

.faq-icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--gray-400);
    transition: all 0.2s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--blue);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-top: 20px;
}

.faq-answer p {
    font-size: 17px;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

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

.contact-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--container-padding);
    text-align: center;
}

.contact-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--black);
    letter-spacing: -0.02em;
}

.contact-content p {
    font-size: 21px;
    color: var(--gray-600);
    margin-bottom: 48px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto 48px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid var(--gray-300);
    border-radius: 12px;
    font-size: 17px;
    font-family: var(--font-family);
    background: var(--white);
    transition: all 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

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

.contact-info {
    color: var(--gray-600);
    font-size: 17px;
}

.contact-info a {
    color: var(--blue);
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .features-grid {
        gap: 60px 40px;
    }
    
    .hero-title {
        font-size: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
        --container-padding: 0 20px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 40px;
        margin-bottom: 20px;
    }
    
    .hero-description {
        font-size: 19px;
        margin-bottom: 40px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        padding: 14px 28px;
        font-size: 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 50px;
        max-width: 600px;
    }
    
    .feature {
        text-align: center;
        align-items: center;
    }
    
    .feature h3 {
        font-size: 22px;
    }
    
    .faq-title,
    .contact-content h2 {
        font-size: 36px;
        margin-bottom: 40px;
    }
    
    .faq-question h3 {
        font-size: 19px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .nav-container {
        padding: 0 20px;
    }
    
    .nav-logo {
        font-size: 20px;
        gap: 8px;
    }
    
    .logo-img {
        width: 28px;
    }
    
    .hero-logo-img {
        width: 100px;
        height: auto;
        border-radius: 24px;
        margin-bottom: 30px;
    }
    
    .contact-form input,
    .contact-form textarea {
        padding: 14px 16px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 60px 0;
        --container-padding: 0 16px;
    }
    
    .hero {
        padding: 80px 0 50px;
    }
    
    .hero-title {
        font-size: 32px;
        line-height: 1.2;
    }
    
    .hero-description {
        font-size: 17px;
        margin-bottom: 32px;
    }
    
    .hero-logo-img {
        width: 80px;
        margin-bottom: 24px;
    }
    
    .features-grid {
        gap: 40px;
    }
    
    .feature h3 {
        font-size: 20px;
    }
    
    .feature p {
        font-size: 16px;
    }
    
    .faq-title,
    .contact-content h2 {
        font-size: 28px;
        margin-bottom: 32px;
    }
    
    .faq-question {
        padding: 24px 20px;
    }
    
    .faq-question h3 {
        font-size: 18px;
    }
    
    .faq-answer {
        padding: 0 20px;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 20px 20px;
    }
    
    .contact-form {
        margin-bottom: 32px;
    }
    
    .contact-info {
        font-size: 16px;
    }
    
    .nav-logo {
        font-size: 18px;
    }
    
    .nav-btn {
        padding: 10px 20px;
        font-size: 16px;
    }
}