:root {
    --primary-yellow: #FFEF00;
    --light-gray: #F2F2F7;
    --white: #FFFFFF;
    --black: #1D1D1F;
    --dark-gray: #86868B;
    --iphone-frame: #000000;
    --iphone-bg: #F5F5F7;
    --switch-green: #6B6BFF;
    --switch-bg: #E9E9EA;
    --accent-purple: #6B6BFF;
    --badge-bg: #EDEDFF;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    color: var(--black);
    line-height: 1.5;
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

/* Hero Section */
.hero {
    background-color: var(--primary-yellow);
    padding: 60px 0 40px;
}

.app-name {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.main-copy {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 40px;
    white-space: pre-line;
}

/* iPhone Mockup */
.iphone-mockup {
    width: 280px;
    height: 560px;
    background: var(--iphone-frame);
    margin: 0 auto 40px;
    border-radius: 40px;
    padding: 8px;
    position: relative;
    box-shadow: 0 30px 60px rgba(0,0,0,0.15);
}

.iphone-frame {
    width: 100%;
    height: 100%;
    background: var(--iphone-bg);
    border-radius: 34px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255,255,255,0.1);
}

.dynamic-island {
    width: 90px;
    height: 25px;
    background: #000;
    border-radius: 20px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.screen-content {
    padding: 40px 16px 20px;
    text-align: left;
}

.app-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 12px;
}

.status-icons {
    display: flex;
    gap: 4px;
}

.icon-small {
    width: 12px;
    height: 12px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.ticket-badge {
    background: var(--white);
    padding: 4px 10px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,0,0,0.05);
}

.icon-ticket {
    width: 12px;
    height: 12px;
    color: #FFD60A;
    fill: #FFD60A;
}

.icon-settings {
    width: 18px;
    height: 18px;
    color: var(--dark-gray);
}

.iphone-mockup .section-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 20px;
}

.alarm-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.alarm-item {
    background: var(--white);
    padding: 16px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.alarm-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.alarm-time {
    font-size: 20px;
    font-weight: 800;
}

.alarm-details {
    display: flex;
    align-items: center;
    gap: 4px;
}

.icon-waves {
    width: 14px;
    height: 14px;
    color: var(--accent-purple);
}

.alarm-desc {
    font-size: 10px;
    color: var(--dark-gray);
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.day-pill {
    font-size: 7px;
    background: var(--badge-bg);
    color: var(--accent-purple);
    padding: 2px 4px;
    border-radius: 4px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

/* Ad Item */
.ad-item {
    padding: 12px 16px;
}

.ad-label {
    font-size: 8px;
    background: var(--badge-bg);
    color: var(--accent-purple);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 700;
    width: fit-content;
}

.ad-title {
    font-size: 14px;
    font-weight: 800;
}

.ad-button {
    background: var(--accent-purple);
    color: var(--white);
    padding: 10px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
}

/* Floating Action Button */
.fab {
    width: 44px;
    height: 44px;
    background: var(--accent-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    position: absolute;
    bottom: 24px;
    right: 24px;
    box-shadow: 0 4px 12px rgba(107, 107, 255, 0.4);
}

.fab i {
    width: 24px;
    height: 24px;
}

.toggle {
    width: 38px;
    height: 22px;
    background: var(--switch-bg);
    border-radius: 20px;
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 8px;
}

.toggle::after {
    content: '';
    width: 18px;
    height: 18px;
    background: var(--white);
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.toggle.active {
    background: var(--switch-green);
}

.toggle.active::after {
    left: 18px;
}

.cta-section {
    margin-top: 20px;
    position: relative;
    display: inline-block;
}

.coming-soon-label {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-purple);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 800;
    box-shadow: 0 4px 10px rgba(107, 107, 255, 0.3);
    z-index: 5;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-5px); }
}

.app-store-badge img {
    height: 48px;
    transition: transform 0.2s ease;
}

.app-store-badge:hover img {
    transform: scale(1.05);
}

/* Features Section */
.features {
    background-color: var(--light-gray);
    padding: 60px 0;
}

.section-heading {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 30px;
}

.feature-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-block {
    background: var(--white);
    padding: 20px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    text-align: left;
    transition: transform 0.3s ease;
}

.feature-block:hover {
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    width: 32px;
    height: 32px;
    stroke-width: 1.5;
}

.feature-text h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 14px;
    color: var(--dark-gray);
    line-height: 1.4;
}

/* FAQ Section */
.faq {
    background-color: var(--white);
    padding: 60px 0;
}

.accordion {
    text-align: left;
}

.accordion-item {
    border-top: 1px solid #E5E5EA;
}

.accordion-item:last-child {
    border-bottom: 1px solid #E5E5EA;
}

.accordion-header {
    width: 100%;
    padding: 16px 0;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    color: var(--black);
    text-align: left;
}

.chevron {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.accordion-item.active .chevron {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.accordion-item.active .accordion-content {
    max-height: 200px;
}

.accordion-content p {
    padding-bottom: 16px;
    font-size: 14px;
    color: var(--dark-gray);
    line-height: 1.5;
}

/* Footer Section */
.footer {
    background-color: var(--light-gray);
    padding: 60px 0 80px;
}

.contact-button {
    display: inline-block;
    background: #E5E5EA;
    color: var(--black);
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 40px;
    transition: background 0.2s ease;
}

.contact-button:hover {
    background: #D1D1D6;
}

.privacy-section {
    text-align: left;
}

.privacy-section h3 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 12px;
}

.privacy-section p {
    font-size: 12px;
    color: var(--dark-gray);
    line-height: 1.6;
    word-break: keep-all;
}

/* Responsive */
@media (max-width: 480px) {
    .app-name { font-size: 32px; }
    .main-copy { font-size: 20px; }
    .iphone-mockup { width: 250px; height: 500px; }
}