@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');

:root {
    --bg-color: #FFFDF9;
    --panel-color: #F8F5EF;
    --accent-color: #FF6B00;
    --button-color: #FFD5E5;
    --text-color: #222222;
    --sub-text-color: #666666;
    --border-color: #EAEAEA;
    --shadow-color: rgba(0, 0, 0, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Pretendard', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

button {
    border: none;
    outline: none;
    cursor: pointer;
    font-family: inherit;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* =========================
   Header
========================= */

header {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    backdrop-filter: blur(12px);
    background: rgba(255, 253, 249, 0.75);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.95rem;
    font-weight: 500;
    transition: 0.2s ease;
}

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

/* =========================
   Hero Section
========================= */

.hero {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
}

.hero-content {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 64px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.05em;
    margin-bottom: 20px;
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--sub-text-color);
    line-height: 1.8;
    margin-bottom: 32px;
}

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

.primary-btn {
    background: var(--accent-color);
    color: white;
    padding: 16px 28px;
    border-radius: 18px;
    font-size: 1rem;
    font-weight: 700;
    transition: 0.25s ease;
    box-shadow: 0 10px 30px rgba(255, 107, 0, 0.2);
}

.primary-btn:hover {
    transform: translateY(-2px);
}

.secondary-btn {
    background: white;
    color: var(--text-color);
    padding: 16px 28px;
    border-radius: 18px;
    font-size: 1rem;
    font-weight: 700;
    border: 1px solid var(--border-color);
    transition: 0.25s ease;
}

.secondary-btn:hover {
    transform: translateY(-2px);
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 320px;
    border-radius: 42px;
    overflow: hidden;
    background: white;
    padding: 12px;
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.08),
        0 10px 20px rgba(0, 0, 0, 0.05);
}

.phone-mockup img {
    border-radius: 32px;
}

/* =========================
   Features
========================= */

.features {
    padding: 120px 0;
}

.section-title {
    font-size: 2.6rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    text-align: center;
    margin-bottom: 18px;
}

.section-description {
    text-align: center;
    color: var(--sub-text-color);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--panel-color);
    border-radius: 28px;
    padding: 32px;
    transition: 0.25s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 107, 0, 0.15);
}

.feature-icon {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    background: rgba(255, 107, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--sub-text-color);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* =========================
   Screenshot Section
========================= */

.screenshots {
    padding-bottom: 120px;
}

.screenshot-row {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.screenshot-row::-webkit-scrollbar {
    height: 8px;
}

.screenshot-row::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 999px;
}

.screenshot-card {
    min-width: 260px;
    border-radius: 30px;
    overflow: hidden;
    background: white;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

/* =========================
   Download Section
========================= */

.download {
    padding-bottom: 120px;
}

.download-box {
    background: linear-gradient(135deg, #FFF4D7, #FFE7F0);
    border-radius: 42px;
    padding: 64px;
    text-align: center;
}

.download-box h2 {
    font-size: 3rem;
    margin-bottom: 18px;
    letter-spacing: -0.04em;
}

.download-box p {
    color: var(--sub-text-color);
    margin-bottom: 32px;
    line-height: 1.7;
}

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

/* =========================
   Footer
========================= */

footer {
    border-top: 1px solid var(--border-color);
    padding: 42px 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-left h3 {
    margin-bottom: 8px;
}

.footer-left p {
    color: var(--sub-text-color);
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 18px;
}

.footer-links a {
    text-decoration: none;
    color: var(--sub-text-color);
    transition: 0.2s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
}

/* =========================
   Responsive
========================= */

@media (max-width: 1100px) {

    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .hero-text h1 {
        font-size: 2.8rem;
    }

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

    .download-box {
        padding: 42px 24px;
    }

    .download-box h2 {
        font-size: 2.2rem;
    }

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

    .nav-links {
        display: none;
    }

    .phone-mockup {
        width: 260px;
    }
}