:root {
    --rose-900: #4e2330;
    --rose-700: #8f4f64;
    --rose-500: #c97f9e;
    --rose-300: #efc9d6;
    --cream-100: #fbf4ec;
    --cream-200: #f6ece2;
    --cream-300: #e9ddcf;
    --ink-900: #231b1c;
    --ink-700: #645558;
    --white: #ffffff;
    --shadow-soft: 0 24px 60px rgba(92, 41, 57, 0.12);
    --shadow-strong: 0 32px 90px rgba(92, 41, 57, 0.18);
    --radius-xl: 36px;
    --radius-lg: 28px;
    --radius-md: 20px;
    --outline: rgba(78, 35, 48, 0.09);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Noto Sans KR', 'Noto Sans JP', 'Noto Sans Thai', sans-serif;
    color: var(--ink-900);
    background:
        radial-gradient(circle at top left, rgba(239, 201, 214, 0.8), transparent 30%),
        linear-gradient(180deg, #fffaf6 0%, var(--cream-100) 55%, #f8efe7 100%);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    color: inherit;
}

h1,
h2,
h3 {
    font-family: 'Outfit', 'Inter', 'Noto Sans KR', 'Noto Sans JP', 'Noto Sans Thai', sans-serif;
    line-height: 1;
    letter-spacing: -0.03em;
}

.page-shell {
    position: relative;
    min-height: 100vh;
}

.container {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
}

.mini-label,
.eyebrow,
.feature-kicker,
.note-label {
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.73rem;
    font-weight: 700;
}

.eyebrow,
.mini-label,
.feature-kicker,
.note-label {
    color: var(--rose-700);
}

.section-heading,
.showcase-copy,
.contact-copy {
    max-width: 640px;
}

.section-title {
    font-size: clamp(3rem, 6vw, 4.7rem);
    margin-top: 0.9rem;
}

.section-copy {
    margin-top: 1.2rem;
    font-size: 1.05rem;
    color: var(--ink-700);
    max-width: 60ch;
}

.site-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 18px 0 0;
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 14px 18px;
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 999px;
    background: rgba(255, 250, 246, 0.7);
    backdrop-filter: blur(18px);
    box-shadow: 0 16px 32px rgba(120, 78, 90, 0.08);
}

.brand-pill {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    box-shadow: 0 12px 24px rgba(112, 43, 71, 0.18);
}

.brand-name {
    font-size: 1.1rem;
    font-weight: 800;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--ink-700);
    font-weight: 700;
    font-size: 0.95rem;
}

.lang-switcher {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.66);
    border: 1px solid rgba(255, 255, 255, 0.82);
}

.lang-switcher-label {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--rose-700);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.lang-switcher select {
    border: 0;
    background: transparent;
    color: var(--ink-900);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.lang-switcher select:focus {
    outline: none;
}

.hero {
    position: relative;
    padding: 56px 0 72px;
}

.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 999px;
    filter: blur(12px);
    z-index: -1;
}

.hero::before {
    width: 320px;
    height: 320px;
    top: 70px;
    right: 4%;
    background: radial-gradient(circle, rgba(201, 127, 158, 0.28), transparent 68%);
}

.hero::after {
    width: 260px;
    height: 260px;
    bottom: 0;
    left: 0;
    background: radial-gradient(circle, rgba(234, 221, 207, 0.85), transparent 68%);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    gap: 52px;
    align-items: center;
}

.hero-copy h1 {
    margin-top: 1rem;
    font-size: clamp(4rem, 8vw, 6.6rem);
    max-width: 12ch;
}

.subtitle {
    margin-top: 1.5rem;
    max-width: 58ch;
    font-size: 1.08rem;
    color: var(--ink-700);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 54px;
    padding: 0 24px;
    border-radius: 999px;
    border: 1px solid transparent;
    text-decoration: none;
    font-weight: 800;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.btn-ios {
    background: var(--ink-900);
    color: var(--white);
}

.btn-android {
    background: rgba(255, 255, 255, 0.72);
    color: var(--ink-900);
    border-color: var(--outline);
}

.hero-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 2.2rem;
}

.stat-chip {
    padding: 18px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.58);
    border: 1px solid rgba(255, 255, 255, 0.78);
    box-shadow: 0 14px 30px rgba(130, 92, 99, 0.08);
}

.stat-chip strong {
    display: block;
    font-size: 1rem;
}

.stat-chip span {
    display: block;
    margin-top: 6px;
    color: var(--ink-700);
    font-size: 0.92rem;
}

.hero-visual {
    position: relative;
    min-height: 720px;
}

.phone-stack {
    position: relative;
    width: min(100%, 480px);
    height: 620px;
    margin-left: auto;
    z-index: 1;
}

.phone-frame {
    position: absolute;
    overflow: hidden;
    border-radius: 42px;
    background: linear-gradient(180deg, #fff7f0 0%, #f7eee6 100%);
    border: 10px solid #1a1718;
    box-shadow: var(--shadow-strong);
    z-index: 1;
}

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

.frame-front {
    width: 320px;
    top: 20px;
    right: 20px;
    z-index: 2;
    transform: rotate(1deg);
}

.frame-back {
    width: 280px;
    left: 10px;
    top: 210px;
    opacity: 0.96;
    transform: rotate(-8deg);
}

.preview-note {
    position: absolute;
    width: min(280px, 74%);
    padding: 20px 22px;
    border-radius: var(--radius-lg);
    background: rgba(255, 252, 249, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    box-shadow: 0 16px 40px rgba(116, 62, 86, 0.12);
    z-index: 3;
}

.preview-note strong {
    display: block;
    margin-top: 8px;
    font-size: 1.2rem;
}

.preview-note p {
    margin-top: 6px;
    color: var(--ink-700);
    font-size: 0.95rem;
}

.note-top {
    top: 0;
    left: 0;
}

.note-bottom {
    right: 0;
    bottom: 18px;
}

.features,
.showcase,
.contact {
    padding: 84px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    margin-top: 36px;
}

.feature-card {
    position: relative;
    overflow: hidden;
    min-height: 340px;
    padding: 30px;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow: var(--shadow-soft);
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: auto -50px -70px auto;
    width: 180px;
    height: 180px;
    border-radius: 999px;
    opacity: 0.7;
    filter: blur(4px);
}

.card-bloom {
    background: linear-gradient(155deg, #fff4eb 0%, #ffd9bf 100%);
}

.card-bloom::before {
    background: radial-gradient(circle, rgba(245, 171, 124, 0.7), transparent 70%);
}

.card-moments {
    background: linear-gradient(155deg, #eef5ff 0%, #dbe8ff 100%);
}

.card-moments::before {
    background: radial-gradient(circle, rgba(138, 172, 241, 0.75), transparent 70%);
}

.card-circle {
    background: linear-gradient(155deg, #f8efff 0%, #eadbff 100%);
}

.card-circle::before {
    background: radial-gradient(circle, rgba(179, 140, 226, 0.75), transparent 70%);
}

.feature-icon {
    display: inline-grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.56);
    font-size: 2rem;
}

.feature-kicker {
    margin-top: 18px;
}

.feature-card h3 {
    margin-top: 18px;
    font-size: 2.1rem;
    max-width: 11ch;
}

.feature-card p:last-child {
    margin-top: 14px;
    max-width: 30ch;
    color: var(--ink-700);
}

.showcase-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
    gap: 32px;
    align-items: start;
}

.showcase-list {
    margin-top: 28px;
    display: grid;
    gap: 16px;
}

.showcase-point {
    padding: 18px 20px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.62);
    border: 1px solid rgba(255, 255, 255, 0.78);
}

.showcase-point strong {
    display: block;
    font-size: 1rem;
}

.showcase-point span {
    display: block;
    margin-top: 6px;
    color: var(--ink-700);
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.showcase-item {
    padding: 14px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.66);
    border: 1px solid rgba(255, 255, 255, 0.82);
    box-shadow: 0 18px 42px rgba(112, 71, 83, 0.08);
}

.screenshot-mockup {
    overflow: hidden;
    border-radius: 34px;
    border: 8px solid #191617;
    background: #f7eee6;
    box-shadow: var(--shadow-soft);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.screenshot-mockup:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
}

.screenshot-caption {
    font-weight: 800;
    font-size: 0.98rem;
}

.showcase-meta {
    padding: 14px 6px 4px;
}

.showcase-meta p {
    margin-top: 8px;
    color: var(--ink-700);
    font-size: 0.92rem;
}

.cta-band {
    padding: 0 0 84px;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 30px 34px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(93, 38, 57, 0.98), rgba(154, 79, 107, 0.95));
    color: var(--white);
    box-shadow: var(--shadow-strong);
}

.cta-inner h2 {
    margin-top: 8px;
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    max-width: 12ch;
}

.cta-inner .btn-android {
    background: rgba(255, 255, 255, 0.92);
}

.cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 0.8fr);
    gap: 28px;
    align-items: start;
}

.contact-form {
    padding: 28px;
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.66);
    border: 1px solid rgba(255, 255, 255, 0.82);
    box-shadow: var(--shadow-soft);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group + .form-group {
    margin-top: 16px;
}

.form-group label {
    font-weight: 700;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid var(--outline);
    background: rgba(255, 255, 255, 0.8);
    font: inherit;
    color: var(--ink-900);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: 2px solid rgba(201, 127, 158, 0.28);
    border-color: rgba(143, 79, 100, 0.28);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    width: 100%;
    margin-top: 18px;
    min-height: 54px;
    border: 0;
    border-radius: 999px;
    background: var(--ink-900);
    color: var(--white);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

footer {
    padding: 0 0 42px;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-top: 28px;
    border-top: 1px solid rgba(78, 35, 48, 0.1);
}

.copy,
.footer-links a {
    color: var(--ink-700);
    font-size: 0.95rem;
}

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

.footer-links a {
    text-decoration: none;
    font-weight: 700;
}

@media (max-width: 1080px) {
    .hero-grid,
    .showcase-layout,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 680px;
    }

    .hero-copy h1 {
        max-width: 100%;
    }

    .phone-stack {
        height: 620px;
        margin: 0 auto;
    }

    .preview-note {
        width: min(320px, 80%);
    }

    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .showcase-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

}

@media (max-width: 760px) {
    .container {
        width: min(100% - 28px, 1180px);
    }

    .site-nav {
        position: static;
        padding-top: 12px;
    }

    .nav-inner {
        border-radius: 28px;
        padding: 14px 16px;
    }

    .nav-tools {
        width: 100%;
        justify-content: end;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 20px 0 56px;
    }

    .hero-copy h1 {
        font-size: clamp(3.1rem, 16vw, 4.8rem);
    }

    .hero-grid {
        gap: 28px;
    }

    .subtitle,
    .section-copy {
        font-size: 1rem;
    }

    .hero-actions {
        gap: 12px;
    }

    .hero-meta,
    .features-grid,
    .showcase-grid {
        grid-template-columns: 1fr;
    }

    .hero-meta {
        gap: 12px;
    }

    .showcase-item {
        padding: 12px;
        max-width: 420px;
        margin: 0 auto;
    }

    .hero-visual {
        min-height: auto;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .frame-front {
        width: min(72vw, 300px);
        top: 0;
        right: 8px;
    }

    .frame-back {
        width: min(62vw, 240px);
        top: 200px;
        left: 6px;
    }

    .phone-stack {
        width: 100%;
        max-width: 340px;
        height: 500px;
        margin: 0 auto;
    }

    .note-top,
    .note-bottom {
        position: static;
        width: 100%;
        margin-top: 0;
    }

    .cta-inner,
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-actions {
        width: 100%;
    }

    .showcase {
        padding-top: 60px;
    }

    .contact {
        padding-top: 60px;
    }

    .footer-links {
        width: 100%;
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 540px) {
    .container {
        width: min(100% - 22px, 1180px);
    }

    .lang-switcher {
        justify-content: space-between;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        min-height: 50px;
        padding: 0 18px;
        font-size: 0.95rem;
    }

    .cta-actions {
        flex-direction: column;
    }

    .hero-visual {
        gap: 14px;
    }

    .phone-frame {
        border-width: 7px;
        border-radius: 30px;
    }

    .frame-front {
        width: min(78vw, 280px);
    }

    .frame-back {
        width: min(60vw, 210px);
        top: 170px;
        left: 4px;
    }

    .phone-stack {
        max-width: 300px;
        height: 430px;
    }

    .feature-card,
    .contact-form,
    .cta-inner {
        padding: 22px;
    }

    .section-title {
        font-size: clamp(2.6rem, 14vw, 3.6rem);
    }

    .feature-card {
        min-height: auto;
    }

    .feature-card h3 {
        font-size: 1.8rem;
    }

    .preview-note {
        padding: 16px 18px;
        border-radius: 22px;
    }

    .preview-note strong {
        font-size: 1.05rem;
    }

    .preview-note p,
    .showcase-meta p,
    .showcase-point span {
        font-size: 0.9rem;
    }

    .showcase-meta {
        padding: 12px 4px 2px;
    }

    .screenshot-mockup {
        max-width: 240px;
        margin: 0 auto;
        border-width: 6px;
        border-radius: 26px;
    }

    .showcase-item {
        max-width: 300px;
        padding: 10px;
    }

    .footer-inner {
        align-items: stretch;
    }
}