/* style.css - PlayzPay Landing Page */
:root {
    --color-ink: #14213d;
    --color-ink-soft: #5f6c87;
    --color-line: rgba(20, 33, 61, 0.08);
    --color-panel: rgba(255, 255, 255, 0.88);
    --color-panel-strong: #ffffff;
    --color-sky: #eef6ff;
    --color-sky-strong: #d9ebff;
    --color-mist: #f8fbff;
    --color-primary: #0a5cff;
    --color-primary-hover: #0047cc;
    --color-secondary: #ffffff;
    --color-dark: #0d1830;
    --shadow-soft: 0 20px 60px rgba(37, 78, 145, 0.12);
    --shadow-card: 0 14px 40px rgba(16, 51, 111, 0.08);
    --shadow-hero: 0 34px 70px rgba(46, 92, 170, 0.18);
    --max-width: 1200px;
    --border-radius: 24px;
    --transition: 0.28s ease;
}

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

body {
    font-family: 'Pretendard Variable', -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;
    color: var(--color-ink);
    line-height: 1.6;
    background:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.14), transparent 34%),
        linear-gradient(180deg, #fdfefe 0%, #f5f9ff 44%, #ffffff 100%);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 5%;
}

/* Utilities */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--color-ink-soft);
}

.bg-light {
    background-color: var(--color-mist);
}

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

.pb-0 {
    padding-bottom: 0 !important;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-3 {
    margin-top: 1rem;
}

.mt-4 {
    margin-top: 1.5rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.w-full {
    width: 100%;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.4rem;
    border-radius: 999px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, #1671ff 0%, #0052f0 100%);
    color: white;
    box-shadow: 0 14px 32px rgba(10, 92, 255, 0.22);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 20px 38px rgba(10, 92, 255, 0.28);
}

.btn-secondary,
.btn-ghost {
    background-color: rgba(255, 255, 255, 0.88);
    border-color: rgba(10, 92, 255, 0.12);
    color: var(--color-ink);
    box-shadow: 0 10px 24px rgba(17, 61, 130, 0.08);
}

.btn-secondary:hover,
.btn-ghost:hover {
    transform: translateY(-2px);
    border-color: rgba(10, 92, 255, 0.22);
}

.btn-lg {
    padding: 0.92rem 1.8rem;
    font-size: 1.1rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.76);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(20, 33, 61, 0.06);
    padding: 1.05rem 0;
    transition: var(--transition);
}

.navbar.is-scrolled {
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 16px 30px rgba(34, 73, 140, 0.08);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.logo img {
    height: 34px;
    display: block;
}

.nav-shell {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 1.6rem;
}

.nav-links a {
    color: var(--color-ink-soft);
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    gap: 0.75rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-ink);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 142px 0 72px;
    min-height: 94vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-backdrop {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 18% 18%, rgba(96, 165, 250, 0.18), transparent 32%),
        radial-gradient(circle at 85% 20%, rgba(59, 130, 246, 0.14), transparent 24%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(240, 247, 255, 0.92));
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(20, 33, 61, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(20, 33, 61, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: radial-gradient(circle at center, black 48%, transparent 100%);
    mask-image: radial-gradient(circle at center, black 48%, transparent 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.eyebrow,
.section-tag {
    display: inline-block;
    padding: 0.44rem 1rem;
    background: rgba(10, 92, 255, 0.08);
    color: var(--color-primary);
    border: 1px solid rgba(10, 92, 255, 0.12);
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 1.35rem;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: clamp(2.85rem, 5vw, 4.8rem);
    font-weight: 800;
    line-height: 1.08;
    margin-bottom: 1.4rem;
    letter-spacing: -2px;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-ink-soft);
    margin-bottom: 2rem;
    max-width: 92%;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-proof {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.95rem;
    margin-top: 2rem;
}

.proof-card {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(20, 33, 61, 0.06);
    border-radius: 20px;
    padding: 1rem 1rem 1.1rem;
    box-shadow: var(--shadow-card);
}

.proof-card strong {
    display: block;
    font-size: 1.35rem;
    margin-bottom: 0.3rem;
}

.proof-card span {
    display: block;
    color: var(--color-ink-soft);
    font-size: 0.92rem;
}

.hero-stage {
    position: relative;
}

.hero-image-panel {
    position: relative;
    padding: 1rem;
    border-radius: 28px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(233, 243, 255, 0.88));
    box-shadow: var(--shadow-hero);
    border: 1px solid rgba(255, 255, 255, 0.75);
}

.hero-panel-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-start;
    padding: 0.5rem 0.45rem 1rem;
}

.panel-kicker {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.8px;
    margin-bottom: 0.3rem;
}

.hero-panel-head h2 {
    font-size: 1.25rem;
    line-height: 1.2;
}

.panel-status {
    background: rgba(10, 92, 255, 0.1);
    border-radius: 999px;
    padding: 0.5rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    white-space: nowrap;
}

.floating-chip {
    position: absolute;
    z-index: 2;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(10, 92, 255, 0.1);
    border-radius: 999px;
    box-shadow: var(--shadow-card);
    color: var(--color-primary);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    padding: 0.72rem 1rem;
}

.chip-top {
    top: -1rem;
    right: -0.8rem;
}

.chip-bottom {
    left: -1.4rem;
    bottom: 1.5rem;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 18px;
    box-shadow: 0 18px 42px rgba(16, 51, 111, 0.12);
    border: 1px solid rgba(10, 92, 255, 0.08);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.hero-image:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

/* Sections Common */
.section {
    padding: 6rem 0;
}

.section-soft {
    background: linear-gradient(180deg, rgba(240, 247, 255, 0.74), rgba(255, 255, 255, 0.92));
}

.section-mist {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(239, 247, 255, 0.88));
}

.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-ink-soft);
    max-width: 600px;
    margin: 0 auto;
}

.trust-strip {
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.66);
    border-top: 1px solid rgba(20, 33, 61, 0.05);
    border-bottom: 1px solid rgba(20, 33, 61, 0.05);
}

.trust-strip-inner {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    color: var(--color-ink-soft);
    font-size: 0.94rem;
}

.trust-strip-inner span:first-child {
    color: var(--color-ink);
    font-weight: 700;
}

.split-layout {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2rem;
    align-items: center;
}

.mini-feature-list {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

.mini-feature-list article {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.2rem 1.25rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.74);
    border: 1px solid var(--color-line);
    box-shadow: var(--shadow-card);
}

.mini-feature-list i {
    font-size: 1.35rem;
    color: var(--color-primary);
}

.mini-feature-list h3 {
    font-size: 1.02rem;
    margin-bottom: 0.25rem;
}

.mini-feature-list p {
    color: var(--color-ink-soft);
    font-size: 0.95rem;
}

.spotlight-card {
    background: linear-gradient(180deg, rgba(16, 48, 105, 0.96), rgba(13, 24, 48, 0.96));
    color: white;
    padding: 2rem;
    border-radius: 28px;
    box-shadow: var(--shadow-soft);
}

.spotlight-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 1.5rem;
}

.spotlight-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #68a4ff;
    box-shadow: 0 0 0 8px rgba(104, 164, 255, 0.15);
}

.spotlight-stat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.spotlight-stat-grid div {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 1.2rem;
}

.spotlight-stat-grid strong {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 1rem;
}

.spotlight-stat-grid span {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.92rem;
}

.pain-solution-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.dual-card {
    padding: 2rem;
    border-radius: 26px;
    background: var(--color-panel);
    border: 1px solid var(--color-line);
    box-shadow: var(--shadow-card);
}

.dual-card.solution {
    background: linear-gradient(180deg, rgba(232, 243, 255, 0.95), rgba(255, 255, 255, 0.95));
}

.dual-label {
    color: var(--color-primary);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.7px;
    margin-bottom: 0.8rem;
}

.dual-card h3 {
    font-size: 1.45rem;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.dual-card ul {
    list-style: none;
}

.dual-card li {
    position: relative;
    padding-left: 1.3rem;
    color: var(--color-ink-soft);
    margin-bottom: 0.8rem;
}

.dual-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.68rem;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-primary);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.features-grid-expanded {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card {
    background: rgba(255, 255, 255, 0.86);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    border: 1px solid var(--color-line);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 22px 44px rgba(16, 51, 111, 0.1);
    border-color: rgba(10, 92, 255, 0.14);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(10, 92, 255, 0.08);
    color: var(--color-primary);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-text {
    color: var(--color-ink-soft);
    font-size: 0.95rem;
}

.timeline {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.timeline-item {
    padding: 1.55rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid var(--color-line);
    box-shadow: var(--shadow-card);
}

.timeline-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(10, 92, 255, 0.08);
    color: var(--color-primary);
    font-weight: 800;
    margin-bottom: 1rem;
}

.timeline-item h3 {
    font-size: 1.08rem;
    margin-bottom: 0.5rem;
}

.timeline-item p {
    color: var(--color-ink-soft);
    font-size: 0.94rem;
}

.metric-band {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    align-items: center;
    padding: 1.5rem 1.8rem;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--color-line);
    border-radius: 28px;
    box-shadow: var(--shadow-card);
}

.metric-label {
    display: block;
    color: var(--color-primary);
    font-size: 0.82rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.metric-band strong {
    font-size: 1.35rem;
    line-height: 1.35;
}

.metric-pill-group {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.metric-pill {
    background: rgba(10, 92, 255, 0.08);
    border: 1px solid rgba(10, 92, 255, 0.1);
    color: var(--color-primary);
    padding: 0.7rem 1rem;
    border-radius: 999px;
    font-size: 0.88rem;
    font-weight: 600;
}

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

.faq-card {
    padding: 1.7rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid var(--color-line);
    box-shadow: var(--shadow-card);
}

.faq-card h3 {
    font-size: 1.04rem;
    margin-bottom: 0.75rem;
}

.faq-card p {
    color: var(--color-ink-soft);
    font-size: 0.95rem;
}

/* CTA Section */
.cta-section {
    padding: 3rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.cta-shell {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 2rem;
    align-items: center;
    padding: 2rem;
    border-radius: 32px;
    background: linear-gradient(180deg, rgba(242, 248, 255, 0.95), rgba(255, 255, 255, 0.96));
    border: 1px solid var(--color-line);
    box-shadow: var(--shadow-soft);
}

.contact-form {
    width: 100%;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row-split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-control {
    width: 100%;
    padding: 1rem 1.2rem;
    border-radius: 18px;
    border: 1px solid rgba(20, 33, 61, 0.09);
    background: rgba(255, 255, 255, 0.92);
    color: var(--color-ink);
    font-family: inherit;
    font-size: 1rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.form-control::placeholder {
    color: rgba(95, 108, 135, 0.8);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(10, 92, 255, 0.12);
}

.textarea-control {
    min-height: 140px;
    margin-top: 1rem;
    resize: vertical;
}

.select-control {
    margin-top: 1rem;
    appearance: none;
}

.form-feedback {
    min-height: 1.5rem;
    margin-top: 0.85rem;
    font-size: 0.92rem;
    color: var(--color-ink-soft);
}

.form-feedback.is-success {
    color: #0f9d58;
}

.form-feedback.is-error {
    color: #d93025;
}

.form-caption {
    margin-top: 0.8rem;
    color: var(--color-ink-soft);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background-color: #f3f8ff;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(20, 33, 61, 0.06);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-logo {
    height: 28px;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-info p,
.footer-links a {
    color: var(--color-ink-soft);
    font-size: 0.9rem;
}

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

.footer-bottom {
    text-align: center;
    color: var(--color-ink-soft);
    font-size: 0.85rem;
    margin-top: 2rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .split-layout,
    .cta-shell,
    .pain-solution-grid,
    .metric-band {
        grid-template-columns: 1fr;
    }

    .hero-description {
        margin: 0 auto 2.5rem;
        max-width: 100%;
    }

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

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

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

    .hero-proof {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .navbar {
        padding: 1rem 0;
    }

    .nav-container {
        position: relative;
    }

    .nav-shell {
        display: none;
        position: absolute;
        top: calc(100% + 0.8rem);
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        padding: 1rem;
        background: rgba(255, 255, 255, 0.96);
        border: 1px solid rgba(20, 33, 61, 0.06);
        border-radius: 22px;
        box-shadow: var(--shadow-soft);
    }

    .navbar.menu-open .nav-shell {
        display: flex;
    }

    .nav-links,
    .nav-actions {
        flex-direction: column;
    }

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

    .features-grid-expanded,
    .faq-grid,
    .timeline,
    .spotlight-stat-grid,
    .form-row-split {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2.2rem;
    }

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

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .floating-chip {
        position: static;
        display: inline-flex;
        margin-bottom: 0.75rem;
    }

    .hero-panel-head {
        flex-direction: column;
    }

    .trust-strip-inner {
        justify-content: flex-start;
    }

    .metric-pill-group {
        justify-content: flex-start;
    }

    .footer-container {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
        text-align: center;
    }
}

/* Animations */
@keyframes float {
    0% {
        transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateY(0px);
    }

    50% {
        transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateY(-15px);
    }

    100% {
        transform: perspective(1000px) rotateY(-5deg) rotateX(5deg) translateY(0px);
    }
}

.float-animation {
    animation: float 6s ease-in-out infinite;
}

.hero-image:hover.float-animation {
    animation-play-state: paused;
}