:root {
    --bg-yellow: #ffde00;
    --text-dark: #121212;
    --text-light: #ffffff;
    --accent-pink: #ff6b8b;
    --surface-glass: rgba(255, 255, 255, 0.62);
    --surface-soft: rgba(255, 255, 255, 0.4);
    --shadow-soft: 0 20px 40px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-yellow);
    color: var(--text-dark);
    font-family: "Poppins", sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
}

p {
    font-size: 1.08rem;
    margin-bottom: 1rem;
}

.site-header {
    left: 0;
    padding: 0.65rem 0.9rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.site-nav {
    align-items: center;
    backdrop-filter: blur(10px);
    background: linear-gradient(135deg, rgba(255, 247, 160, 0.94), rgba(255, 236, 110, 0.94));
    border: 1px solid rgba(255, 255, 255, 0.66);
    border-radius: 22px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.52);
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin: 0 auto;
    max-width: 1280px;
    padding: 1rem 5%;
}

.logo {
    align-items: center;
    display: inline-flex;
    font-size: 1.5rem;
    font-weight: 800;
    gap: 0.7rem;
    text-decoration: none;
}

.logo-mark {
    display: inline-block;
    height: 40px;
    width: 40px;
}

.logo-mark-image {
    border-radius: 10px;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.14), 0 4px 10px rgba(0, 0, 0, 0.2);
    display: block;
    height: 100%;
    object-fit: cover;
    width: 100%;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.4rem;
    list-style: none;
}

.nav-link {
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link.active {
    color: var(--accent-pink);
}

.btn-download {
    align-items: center;
    background: var(--text-dark);
    border: none;
    border-radius: 999px;
    color: var(--bg-yellow);
    display: inline-flex;
    font-weight: 600;
    gap: 0.6rem;
    padding: 0.65rem 1.4rem;
    text-decoration: none;
    transition: var(--transition);
}

.btn-icon {
    display: block;
    fill: none;
    height: 1.1rem;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
    width: 1.1rem;
}

.btn-download:hover,
.btn-download:focus-visible {
    background: var(--accent-pink);
    box-shadow: 0 10px 20px rgba(255, 107, 139, 0.35);
    color: var(--text-light);
    transform: translateY(-2px);
}

.btn-large {
    font-size: 1.08rem;
    padding: 0.95rem 2rem;
}

.page-shell {
    margin: 0 auto;
    max-width: 1280px;
    min-height: calc(100vh - 140px);
    padding: 120px 5% 60px;
}

.title-bold {
    color: var(--text-dark);
    font-size: clamp(2.8rem, 8vw, 6rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.08;
    text-transform: capitalize;
}

.title-italic {
    color: var(--accent-pink);
    display: block;
    font-family: "Playfair Display", serif;
    font-size: clamp(1.4rem, 4vw, 3rem);
    font-style: italic;
    margin-top: 0.4rem;
    text-shadow: 1px 1px 0 rgba(255, 255, 255, 0.35);
}

.hero-tagline-red {
    color: #d51010;
}

.hero {
    align-items: center;
    display: flex;
    gap: 3.2rem;
    justify-content: space-between;
    min-height: 80vh;
}

.hero-content {
    flex: 1;
    max-width: 620px;
}

@media (min-width: 1200px) {
    .hero-content {
        margin-left: -8rem;
    }
}

.hero-description {
    font-size: 1.2rem;
    margin-top: 1.8rem;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2.2rem;
}

.hero-image-container {
    display: flex;
    flex: 1;
    justify-content: flex-end;
    overflow: visible;
    padding-left: 3rem;
}

.phone-showcase {
    min-height: 780px;
    position: relative;
    transform: translateX(140px);
    width: 760px;
}

.phone-mockup {
    animation: float 6s ease-in-out infinite;
    background: #000000;
    border: 3px solid #1f1f1f;
    border-radius: 36px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    height: 650px;
    padding: 6px;
    position: relative;
    width: 320px;
}

.phone-mockup-primary {
    left: 72px;
    position: absolute;
    top: 72px;
    z-index: 3;
}

.phone-mockup-left,
.phone-mockup-secondary {
    animation: floatSecondary 7.4s ease-in-out infinite;
    height: 500px;
    position: absolute;
    top: 165px;
    width: 245px;
    z-index: 1;
}

.phone-mockup-left {
    left: -165px;
}

.phone-mockup-secondary {
    left: 380px;
}

.phone-screen {
    background: #050505;
    border-radius: 28px;
    height: 100%;
    overflow: hidden;
    position: relative;
    width: 100%;
}

.camera-notch {
    background: rgba(0, 0, 0, 0.78);
    border-radius: 999px;
    height: 1px;
    left: 50%;
    position: absolute;
    top: 4px;
    transform: translateX(-50%);
    width: 58px;
    z-index: 2;
}

.phone-mockup-primary .camera-notch,
.phone-mockup-secondary .camera-notch {
    height: 1px;
    top: 3px;
    width: 44px;
}

.phone-mockup-left .camera-notch {
    height: 1px;
    top: 3px;
    width: 44px;
}

.phone-mockup-primary .phone-screen,
.phone-mockup-left .phone-screen {
    border-radius: 22px;
}

.phone-mockup-secondary .phone-screen {
    border-radius: 22px;
}

.phone-static-shot {
    backface-visibility: hidden;
    border-radius: inherit;
    display: block;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    will-change: transform, opacity;
    width: 100%;
}

.phone-static-shot.is-preparing {
    opacity: 0;
}

.phone-static-shot.is-swiping {
    animation: phoneSwipe 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.phone-screen::after {
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.24), rgba(0, 0, 0, 0.05) 24%, rgba(0, 0, 0, 0.18) 100%);
    content: "";
    inset: 0;
    pointer-events: none;
    position: absolute;
    z-index: 2;
}

.features {
    padding: 70px 0 20px;
    text-align: center;
}

.section-title {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
}

.section-subtitle {
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    margin-top: 3rem;
}

.feature-card {
    background: var(--surface-soft);
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 26px;
    box-shadow: var(--shadow-soft);
    padding: 2.2rem 1.8rem;
    transition: var(--transition);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: translateY(-8px);
}

.feature-card i {
    color: var(--accent-pink);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.content-container {
    background: var(--surface-glass);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 30px;
    box-shadow: var(--shadow-soft);
    margin: 0 auto;
    max-width: 840px;
    padding: 3rem;
}

.content-container h1 {
    border-bottom: 3px solid var(--accent-pink);
    display: inline-block;
    font-size: clamp(2rem, 5vw, 2.7rem);
    margin-bottom: 1rem;
    padding-bottom: 0.45rem;
}

.content-container h2 {
    font-size: 1.3rem;
    margin: 2rem 0 0.5rem;
}

.content-container a {
    color: var(--accent-pink);
    font-weight: 600;
    overflow-wrap: anywhere;
    text-decoration-thickness: 2px;
}

.content-container a:hover,
.content-container a:focus-visible {
    color: #d12c57;
}

.legal-subtitle {
    margin-top: 0.3rem;
}

.legal-meta {
    font-size: 1rem;
    margin-top: 0.8rem;
}

.contact-form {
    margin-top: 1.8rem;
}

.form-group {
    margin-bottom: 1rem;
}

.field-label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.form-control {
    background: rgba(255, 255, 255, 0.85);
    border: 2px solid transparent;
    border-radius: 14px;
    font-family: "Poppins", sans-serif;
    font-size: 1rem;
    padding: 0.8rem 0.9rem;
    transition: var(--transition);
    width: 100%;
}

.form-control:focus {
    background: #ffffff;
    border-color: var(--accent-pink);
    outline: none;
}

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

.btn-submit {
    background: var(--accent-pink);
    border: none;
    border-radius: 999px;
    color: var(--text-light);
    cursor: pointer;
    font-size: 1.05rem;
    font-weight: 600;
    padding: 0.9rem 1.6rem;
    transition: var(--transition);
    width: 100%;
}

.btn-submit:hover,
.btn-submit:focus-visible {
    background: var(--text-dark);
    transform: translateY(-2px);
}

.form-status {
    font-size: 0.95rem;
    margin-top: 0.8rem;
    min-height: 1.5rem;
}

.form-status.success {
    color: #0f6b1a;
}

.form-status.error {
    color: #a31616;
}

.site-footer {
    background: var(--text-dark);
    color: var(--text-light);
    margin-top: 2rem;
    padding: 2rem 1rem 2.4rem;
    text-align: center;
}

.footer-brand {
    color: var(--bg-yellow);
    font-family: "Playfair Display", serif;
    font-size: 2rem;
    font-style: italic;
    margin-bottom: 0.4rem;
}

.footer-copy {
    font-size: 0.85rem;
    margin-top: 1rem;
    opacity: 0.9;
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        box-shadow: 0 35px 60px -15px rgba(0, 0, 0, 0.4);
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0);
    }
}

@keyframes floatSecondary {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
    100% {
        transform: translateY(0);
    }
}

@keyframes phoneSwipe {
    0% {
        opacity: 0.5;
        transform: translateX(24px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 1000px) {
    .site-header {
        padding: 0.55rem 0.65rem 0;
    }

    .site-nav {
        align-items: center;
        border-radius: 18px;
        flex-direction: column;
        gap: 0.85rem;
        padding: 0.9rem 1rem;
    }

    .nav-links {
        justify-content: center;
        width: 100%;
    }

    .site-nav .btn-download {
        align-self: center;
    }

    .page-shell {
        padding: 220px 4% 50px;
    }

    .hero {
        flex-direction: column;
        gap: 2rem;
        min-height: auto;
        text-align: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-image-container {
        justify-content: center;
        padding-left: 0;
    }

    .phone-showcase {
        min-height: 720px;
        transform: translateX(0);
        width: 590px;
    }

    .phone-mockup-primary {
        left: 84px;
        top: 78px;
    }

    .phone-mockup-left,
    .phone-mockup-secondary {
        height: 455px;
        top: 168px;
        width: 220px;
    }

    .phone-mockup-left {
        left: -80px;
    }

    .phone-mockup-secondary {
        left: 332px;
    }
}

@media (max-width: 640px) {
    .site-header {
        padding: 0.5rem 0.5rem 0;
    }

    .site-nav {
        align-items: center;
        border-radius: 16px;
        display: grid;
        gap: 0.6rem;
        grid-template-areas:
            "brand action"
            "links links";
        grid-template-columns: minmax(0, 1fr) auto;
        padding: 0.8rem 0.85rem;
    }

    .logo {
        grid-area: brand;
        font-size: 1.25rem;
        gap: 0.55rem;
        justify-self: start;
        white-space: nowrap;
    }

    .logo-mark {
        height: 34px;
        width: 34px;
    }

    .nav-links {
        display: flex;
        flex-wrap: nowrap;
        gap: 1rem;
        grid-area: links;
        justify-content: flex-start;
        overflow-x: auto;
        padding: 0.1rem 0.2rem 0.15rem;
        scrollbar-width: none;
        width: 100%;
        -webkit-overflow-scrolling: touch;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .nav-link {
        flex: 0 0 auto;
        font-size: 0.95rem;
        white-space: nowrap;
    }

    .site-nav .btn-download {
        grid-area: action;
        justify-content: center;
        justify-self: end;
        padding: 0.5rem 0.9rem;
        width: auto;
    }

    .page-shell {
        padding: 220px 1rem 36px;
    }

    .title-bold {
        font-size: clamp(2.4rem, 14vw, 3.7rem);
    }

    .title-italic {
        font-size: clamp(1.3rem, 8vw, 2.1rem);
    }

    .hero-description {
        font-size: 1.05rem;
    }

    .btn-large {
        font-size: 1rem;
        padding: 0.85rem 1.5rem;
    }

    .hero-image-container {
        justify-content: center;
        padding-left: 0;
    }

    .phone-showcase {
        min-height: 520px;
        transform: translateX(0);
        width: 280px;
    }

    .phone-mockup-primary {
        height: 520px;
        left: 0;
        margin: 0 auto;
        position: relative;
        top: 0;
        width: 258px;
    }

    .phone-mockup-left {
        display: none;
    }

    .phone-mockup-secondary {
        display: none;
    }

    .content-container {
        border-radius: 22px;
        padding: 2rem 1.2rem;
    }
}

@media (max-width: 420px) {
    .page-shell {
        padding-top: 230px;
    }

    .title-bold {
        font-size: clamp(2.15rem, 13.5vw, 3.2rem);
    }
}