/* ========================================
   GLOBAL STYLES
   ======================================== */

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

/* Hero title responsive sizing */
@media (max-width: 640px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

/* ========================================
   PHONE FRAME
   ======================================== */

/* iPhone Frame with Dynamic Island */
.phone-frame {
    position: relative;
    display: block;
    border: 4px solid #1a1a1a;
    border-radius: clamp(0.75rem, 5vw, 2rem);
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.phone-frame img {
    display: block;
    width: 100%;
    height: auto;
}

/* ========================================
   FEATURE CARDS
   ======================================== */

/* Feature card with gradient background and hover effect */
.feature-card {
    background: linear-gradient(to bottom right, #CCEFFD, white);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid #94E4FC;
    transition: box-shadow 0.3s;
}

.feature-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Feature card icon container */
.feature-icon {
    width: 3rem;
    height: 3rem;
    background-color: #08B4E0;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: white;
}

/* ========================================
   FEATURE SECTIONS
   ======================================== */

/* Feature section with alternating image/text layout */
.feature-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .feature-section {
        flex-direction: row;
    }

    /* Reverse layout for alternating sections */
    .feature-section-reverse {
        flex-direction: row-reverse;
    }
}

.feature-content {
    flex: 1;
}

.feature-image {
    flex: 1;
}

/* Feature section title */
.feature-title {
    font-size: 1.875rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1rem;
}

/* Feature section description */
.feature-description {
    font-size: 1.125rem;
    color: #4B5563;
    margin-bottom: 1.5rem;
}

/* ========================================
   CHECKMARK LISTS
   ======================================== */

/* Checkmark list container */
.check-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Individual checkmark list item */
.check-item {
    display: flex;
    align-items: flex-start;
}

/* Checkmark icon */
.check-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: #08B4E0;
    margin-right: 0.5rem;
    flex-shrink: 0;
}

/* Checkmark text */
.check-text {
    color: #374151;
}

/* ========================================
   VIDEO CARDS
   ======================================== */

/* Video card wrapper */
.video-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: box-shadow 0.3s;
}

.video-card:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Video thumbnail area */
.video-thumbnail {
    position: relative;
    background-color: #08B4E0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    aspect-ratio: 16/9;
    padding: 2rem 1rem;
}

/* Video card content */
.video-content {
    padding: 1.5rem;
}

/* YouTube icon styling */
.youtube-icon {
    width: 5rem;
    height: 5rem;
}

/* YouTube link text */
.youtube-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
    transition: color 0.3s;
}

.video-card:hover .youtube-link {
    color: #CCEFFD;
}

/* ========================================
   SECTION CONTAINERS
   ======================================== */

/* Page section container */
.page-section {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    padding: 5rem 1rem;
}

@media (min-width: 640px) {
    .page-section {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .page-section {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* Content card with shadow */
.content-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    padding: 2rem;
}

@media (min-width: 768px) {
    .content-card {
        padding: 3rem;
    }
}

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

.section-title {
    font-size: 1.875rem;
    font-weight: bold;
    color: #111827;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-subtitle {
    font-size: 1.25rem;
    color: #4B5563;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}