/* Global Styles */
:root {
    --apple-black: #1d1d1f;
    --apple-gray: #86868b;
    --apple-light-gray: #f5f5f7;
    --apple-blue: #0071e3;
    --apple-dark-blue: #0058b0;
    --max-width: 1200px;
    --padding: 20px;
    --border-radius: 12px;
}

@font-face {
    font-family: 'SF Pro Text';
    src: local('SF Pro Text'), local('SFProText-Regular');
    font-weight: normal;
}

@font-face {
    font-family: 'SF Pro Display';
    src: local('SF Pro Display'), local('SFProDisplay-Regular');
    font-weight: normal;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'SF Pro Text', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: #fff;
    color: var(--apple-black);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 600;
}

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

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 40px;
    margin-bottom: 40px;
    text-align: center;
}

.section-subtitle {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--apple-gray);
    text-align: center;
}

.btn {
    background-color: var(--apple-blue);
    color: white;
    padding: 12px 24px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 17px;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn:hover {
    background-color: var(--apple-dark-blue);
}

/* Header Styles */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.logo {
    font-size: 24px;
    font-weight: 600;
    color: var(--apple-black);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 20px;
    list-style: none;
}

.nav-links a {
    color: var(--apple-black);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

.nav-links a:hover {
    color: var(--apple-blue);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: linear-gradient(to bottom right, #fbfbfd, #f5f5f7);
    overflow: hidden;
}

.hero-content {
    z-index: 2;
    max-width: 800px;
}

.hero h1 {
    font-size: 56px;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero p {
    font-size: 24px;
    color: var(--apple-gray);
    margin-bottom: 30px;
    line-height: 1.4;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 40px;
}

.hero-image {
    position: absolute;
    bottom: -10%;
    right: 0;
    width: 80%;
    max-width: 800px;
    z-index: 1;
    opacity: 0.9;
}

/* Feature Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 20px;
}

.card h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.card p {
    color: var(--apple-gray);
    font-size: 16px;
}

/* Problem Statement */
.problem-statement {
    background-color: var(--apple-light-gray);
}

.problem-container {
    max-width: 1200px; /* Increased to fit 3 wider cards */
    margin: 0 auto;
}

.problem-container p {
    font-size: 18px;
    margin-bottom: 20px;
}

.competitor-grid {
    display: grid;
    grid-template-columns: repeat(3, 360px); /* Increased from 280px to 360px */
    gap: 30px;
    justify-content: center; /* Centers the grid */
}

.competitor-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.competitor-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.competitor-card p {
    color: var(--apple-gray);
    margin-bottom: 20px;
}

.competitor-rating {
    display: flex;
    gap: 5px;
    margin-top: 10px;
    color: var(--apple-blue);
}

/* Responsive adjustment - if needed */
@media (max-width: 1200px) {
    .problem-container {
        max-width: 100%;
        padding: 0 20px;
    }
    
    .competitor-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        justify-content: center;
    }
}

/* demo */
.demo {
    padding: 60px 0;
    background-color: #f8f9fa;
}

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

.demo h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.demo p {
    max-width: 600px;
    margin: 0 auto 40px;
    font-size: 1.1rem;
    line-height: 1.6;
    color: #666;
}

.demo-frame {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}

/* Phone container to maintain aspect ratio */
.phone-container {
    position: relative;
    width: 100%;
    max-width: 375px; /* Standard phone width */
    height: 667px; /* Explicit height for phone container */
    margin: 0 auto;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden; /* Ensure the iframe doesn't overflow the rounded corners */
}

.phone-container iframe {
    width: 100%;
    height: 100%;
    border: none; /* Remove iframe border */
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .phone-container {
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .phone-container {
        max-width: 90%;
    }
}


/* User Interviews */
.interviews {
    background-color: white;
}

.interview-container {
    max-width: 800px;
    margin: 0 auto;
}

.interview-quote {
    font-size: 22px;
    font-style: italic;
    margin-bottom: 20px;
    color: var(--apple-black);
    line-height: 1.4;
}

.interview-source {
    font-size: 16px;
    color: var(--apple-gray);
    text-align: right;
}

/* Personas */
.personas {
    background-color: var(--apple-light-gray);
}

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

.persona-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.persona-header {
    background-color: var(--apple-blue);
    color: white;
    padding: 20px;
    text-align: center;
}

.persona-header h3 {
    font-size: 24px;
    margin-bottom: 5px;
}

.persona-body {
    padding: 20px;
}

.persona-detail {
    margin-bottom: 15px;
}

.persona-detail h4 {
    font-size: 16px;
    margin-bottom: 5px;
    color: var(--apple-gray);
}

.persona-detail p {
    font-size: 16px;
}

/* Wireframes Slideshow */
.wireframes {
    padding: 80px 0;
}

.slideshow-container {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.slideshow-slide {
    display: none;
    text-align: center;
}

.slideshow-slide.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.slideshow-img {
    width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.slideshow-caption {
    margin-top: 15px;
    font-size: 18px;
    color: var(--apple-gray);
}

.slideshow-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.slide-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--apple-blue);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s ease;
    border: none;
}

.slide-btn:hover {
    background-color: var(--apple-dark-blue);
}

.slide-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.slide-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--apple-gray);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.slide-indicator.active {
    background-color: var(--apple-blue);
}

/* User Tests */
.user-tests {
    background-color: var(--apple-light-gray);
}

.stats-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 200px;
}

.stat-number {
    font-size: 48px;
    font-weight: 600;
    color: var(--apple-blue);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    color: var(--apple-gray);
}

/* Accessibility Report */
.accessibility {
    background-color: white;
}

.accessibility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.accessibility-card {
    background-color: var(--apple-light-gray);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
}

.accessibility-icon {
    font-size: 40px;
    color: var(--apple-blue);
    margin-bottom: 15px;
}

.accessibility-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.accessibility-card p {
    color: var(--apple-gray);
}

/* Conclusions */
.conclusions {
    background-color: var(--apple-light-gray);
}

.conclusion-container {
    max-width: 800px;
    margin: 0 auto;
}

.conclusion-container p {
    font-size: 18px;
    margin-bottom: 20px;
}

/* Team Section */
.team {
    background-color: white;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(250px, 1fr));
    gap: 40px;
    max-width: 1000px; /* Constrain max width */
    margin: 0 auto; /* Center the grid */
    padding: 0 20px; /* Add padding for mobile */
}

/* Center the items when there are fewer than 3 */
@media (max-width: 1000px) {
    .team-grid {
        grid-template-columns: repeat(2, minmax(250px, 1fr));
        max-width: 700px;
    }
}

@media (max-width: 600px) {
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
    }
}

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

.team-member-img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
}

.team-member h3 {
    font-size: 22px;
    margin-bottom: 5px;
}

.team-member p {
    color: var(--apple-gray);
    font-size: 16px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

.social-link {
    color: var(--apple-blue);
    transition: color 0.3s ease;
    font-size: 20px;
}

.social-link:hover {
    color: var(--apple-dark-blue);
}

/* Demo Section */
.demo {
    background: linear-gradient(to bottom right, #000, #333);
    color: white;
    text-align: center;
    padding: 120px 0;
}

.demo h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.demo p {
    font-size: 20px;
    color: #ccc;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.demo-frame {
    max-width: 400px;
    margin: 0 auto;
    background-color: #1d1d1f;
    border-radius: 40px;
    padding: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    position: relative;
}

.demo-screen {
    width: 100%;
    height: 600px;
    background-color: #fff;
    border-radius: 30px;
    overflow: hidden;
}

/* Footer */
footer {
    background-color: var(--apple-black);
    color: white;
    padding: 60px 0;
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
}

.footer-col {
    flex: 1;
    min-width: 200px;
}

.footer-col h3 {
    font-size: 18px;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.copyright {
    text-align: center;
    color: #666;
    margin-top: 60px;
    font-size: 14px;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 20px;
    }

    .hero h1 {
        font-size: 40px;
    }

    .hero p {
        font-size: 20px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .hero-image {
        width: 100%;
        bottom: -5%;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: white;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .persona-grid, .team-grid {
        grid-template-columns: 1fr;
    }

    .cards-grid, .competitor-grid {
        grid-template-columns: 1fr;
    }

    .team-member-img {
        width: 150px;
        height: 150px;
    }
}