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

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
    background:
        radial-gradient(circle at 10% 0%, rgba(46, 197, 168, 0.18), transparent 60%),
        radial-gradient(circle at 100% 100%, rgba(11, 114, 224, 0.15), #02121f 60%);
    color: #e8f4ff;
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: #56d4ff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    width: min(1120px, 100% - 2.5rem);
    margin-inline: auto;
}

/* Header & navigation */

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    backdrop-filter: blur(18px);
    background: linear-gradient(to bottom, rgba(2, 18, 31, 0.94), rgba(2, 18, 31, 0.85));
    border-bottom: 1px solid rgba(120, 238, 255, 0.16);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 0.9rem;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
}

.brand-logo {
    width: 40px;
    height: auto;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #f7fdff;
}

.brand-tagline {
    font-size: 0.72rem;
    color: #9ed7ff;
}

/* Navigation */

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.8rem;
    font-size: 0.9rem;
}

.main-nav a {
    position: relative;
    text-decoration: none;
    color: #d7f3ff;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 500;
    font-size: 0.78rem;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.35rem;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, #19b0c8, #2ec5a8);
    transition: width 0.18s ease-out;
}

.main-nav a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    width: 38px;
    height: 34px;
    border-radius: 999px;
    border: 1px solid rgba(151, 225, 255, 0.45);
    background: radial-gradient(circle at 30% 0%, rgba(151, 225, 255, 0.35), rgba(2, 18, 31, 0.98));
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 16px;
    height: 2px;
    border-radius: 999px;
    background: #e3f7ff;
    transition: transform 0.2s ease, opacity 0.2s ease, translate 0.2s ease;
}

body.nav-open .nav-toggle span:first-child {
    transform: rotate(45deg);
    translate: 0 3px;
}

body.nav-open .nav-toggle span:last-child {
    transform: rotate(-45deg);
    translate: 0 -3px;
}

/* Hero section */

.hero {
    position: relative;
    padding-block: 4.5rem 4rem;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 0% 0%, rgba(88, 226, 255, 0.18), transparent 55%),
        radial-gradient(circle at 80% 0%, rgba(58, 203, 178, 0.16), transparent 58%),
        radial-gradient(circle at 100% 100%, rgba(7, 50, 85, 0.95), rgba(1, 9, 18, 0.98));
    opacity: 0.7;
    pointer-events: none;
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 3rem;
}

.hero-text {
    max-width: 640px;
}

.eyebrow {
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #a0f0ff;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.hero h1 {
    font-size: clamp(2.1rem, 4vw, 2.7rem);
    line-height: 1.1;
    margin-bottom: 1rem;
    color: #f7fdff;
}

.hero-lead {
    font-size: 0.98rem;
    color: #c3e8ff;
    max-width: 38rem;
    margin-bottom: 1.6rem;
}

.hero-highlights {
    list-style: none;
    display: grid;
    gap: 0.55rem;
    margin-bottom: 1.6rem;
}

.hero-highlights li {
    position: relative;
    padding-left: 1.4rem;
    font-size: 0.9rem;
    color: #e3f7ff;
}

.hero-highlights li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 0.9rem;
    height: 0.9rem;
    border-radius: 999px;
    background: radial-gradient(circle at 20% 0%, #e7ffff, #2ec5a8 60%, #0b72e0 100%);
    box-shadow: 0 0 0 2px rgba(46, 197, 168, 0.18);
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    border: 1px solid rgba(151, 225, 255, 0.35);
    background: radial-gradient(circle at 0 0, rgba(151, 225, 255, 0.25), rgba(2, 18, 31, 0.96));
    font-size: 0.75rem;
    color: #e3f7ff;
}

/* Hero preview / phone mockup */

.hero-preview {
    display: grid;
    gap: 1.8rem;
    align-content: flex-start;
}

.phone-frame {
    width: 230px;
    max-width: 100%;
    aspect-ratio: 9 / 19.5;
    border-radius: 32px;
    margin-inline: auto;
    padding: 8px;
    background: radial-gradient(circle at 0 0, #9eefef, #064366);
    box-shadow:
        0 14px 40px rgba(0, 0, 0, 0.55),
        0 0 0 1px rgba(151, 225, 255, 0.35);
}

.phone-screen {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 26px;
    overflow: hidden;
    background: #02121f;
}

.phone-notch {
    position: absolute;
    top: 8px;
    left: 50%;
    translate: -50% 0;
    width: 40%;
    height: 8px;
    border-radius: 0 0 999px 999px;
    background: rgba(2, 11, 22, 0.92);
    z-index: 2;
}

.wallpaper-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 0%, #8ff5ff 0%, #0b72e0 40%, transparent 70%),
        radial-gradient(circle at 10% 100%, #19b0c8 0%, #02121f 52%);
}

.phone-overlay {
    position: absolute;
    inset: auto 0 0 0;
    padding: 1rem 1.2rem 1.3rem;
    background: linear-gradient(to top, rgba(2, 18, 31, 0.92), transparent);
}

.phone-app-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: #f7fdff;
}

.phone-caption {
    font-size: 0.78rem;
    color: #c3e8ff;
}

.hero-badges {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.9rem;
}

.badge-card {
    border-radius: 16px;
    padding: 0.9rem 1rem;
    background: linear-gradient(135deg, rgba(9, 83, 140, 0.9), rgba(11, 114, 224, 0.55));
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(143, 245, 255, 0.28);
}

.badge-card h3 {
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
    color: #f5fdff;
}

.badge-card p {
    font-size: 0.8rem;
    color: #d2f3ff;
}

/* Sections common */

section {
    position: relative;
}

.section-heading {
    margin-bottom: 1.4rem;
}

.section-heading h2 {
    font-size: 1.4rem;
    color: #f7fdff;
}

.section-subtitle {
    font-size: 0.8rem;
    color: #9ed7ff;
}

/* Privacy section */

.privacy-section {
    padding-block: 3.5rem;
    background:
        radial-gradient(circle at 100% 0%, rgba(151, 225, 255, 0.08), transparent 55%),
        linear-gradient(to bottom, rgba(1, 10, 20, 0.96), rgba(0, 9, 18, 0.99));
    border-top: 1px solid rgba(151, 225, 255, 0.18);
    border-bottom: 1px solid rgba(151, 225, 255, 0.14);
}

.privacy-card {
    border-radius: 20px;
    padding: 1.2rem 1.2rem 1.1rem;
    background: radial-gradient(circle at 0 0, rgba(46, 197, 168, 0.2), rgba(5, 32, 55, 0.98));
    border: 1px solid rgba(151, 225, 255, 0.4);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.65);
}

.privacy-scroll {
    max-height: 480px;
    overflow-y: auto;
    padding-right: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: rgba(151, 225, 255, 0.7) rgba(0, 0, 0, 0);
}

.privacy-scroll::-webkit-scrollbar {
    width: 6px;
}

.privacy-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.privacy-scroll::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #19b0c8, #2ec5a8);
    border-radius: 999px;
}

.privacy-scroll h3 {
    font-size: 1rem;
    margin-top: 0.8rem;
    margin-bottom: 0.35rem;
    color: #f7fdff;
}

.privacy-scroll h4 {
    font-size: 0.9rem;
    margin-top: 0.7rem;
    margin-bottom: 0.3rem;
    color: #e3f7ff;
}

.privacy-scroll p {
    font-size: 0.86rem;
    margin-bottom: 0.45rem;
    color: #d9f0ff;
}

.privacy-scroll ul {
    padding-left: 1.2rem;
    margin-bottom: 0.5rem;
}

.privacy-scroll li {
    font-size: 0.86rem;
    color: #d9f0ff;
    margin-bottom: 0.25rem;
}

/* Contact section */

.contact-section {
    padding-block: 3.4rem 3.6rem;
}

.contact-grid {
    display: grid;
    gap: 2rem;
}

.contact-intro p {
    font-size: 0.9rem;
    color: #c3e8ff;
    max-width: 26rem;
    margin-bottom: 1rem;
}

.contact-intro h2 {
    font-size: 1.4rem;
    margin-bottom: 0.35rem;
    color: #f7fdff;
}

.contact-points {
    list-style: none;
    font-size: 0.88rem;
    color: #e3f7ff;
}

.contact-points li + li {
    margin-top: 0.2rem;
}

.contact-form-card {
    border-radius: 20px;
    padding: 1.4rem 1.4rem 1.3rem;
    background: radial-gradient(circle at 100% 0%, rgba(151, 225, 255, 0.24), rgba(1, 17, 28, 0.98));
    border: 1px solid rgba(151, 225, 255, 0.35);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
}

.support-form {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.field span {
    display: block;
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #9ed7ff;
    margin-bottom: 0.3rem;
}

input,
textarea {
    width: 100%;
    border-radius: 12px;
    border: 1px solid rgba(151, 225, 255, 0.4);
    background: rgba(1, 17, 28, 0.96);
    color: #f7fdff;
    font-family: inherit;
    font-size: 0.86rem;
    padding: 0.6rem 0.7rem;
    outline: none;
    resize: vertical;
}

input::placeholder,
textarea::placeholder {
    color: #83bedf;
}

input:focus,
textarea:focus {
    border-color: #56d4ff;
    box-shadow: 0 0 0 1px rgba(86, 212, 255, 0.4);
}

.form-row {
    display: grid;
    gap: 0.8rem;
}

.btn-primary {
    align-self: flex-start;
    border-radius: 999px;
    border: none;
    padding: 0.6rem 1.5rem;
    font-size: 0.86rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    background: linear-gradient(90deg, #19b0c8, #2ec5a8);
    color: #02121f;
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.6);
    transition: transform 0.12s ease-out, box-shadow 0.12s ease-out;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 34px rgba(0, 0, 0, 0.75);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.7);
}

.form-note {
    font-size: 0.76rem;
    color: #9ed7ff;
}

/* Footer */

.site-footer {
    border-top: 1px solid rgba(151, 225, 255, 0.28);
    background: radial-gradient(circle at 50% 0%, rgba(151, 225, 255, 0.14), rgba(0, 7, 14, 0.98));
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    padding-block: 1rem;
    font-size: 0.8rem;
    color: #c3e8ff;
}

.footer-domain {
    opacity: 0.8;
}

/* Responsive */

@media (max-width: 768px) {
    .main-nav {
        position: absolute;
        inset-inline: 0;
        top: 100%;
        padding: 0.8rem 1.2rem 1.2rem;
        background: radial-gradient(circle at 0 0, rgba(151, 225, 255, 0.2), rgba(2, 18, 31, 0.98));
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        transform-origin: top;
        transform: scaleY(0);
        opacity: 0;
        pointer-events: none;
        border-bottom: 1px solid rgba(151, 225, 255, 0.25);
    }

    body.nav-open .main-nav {
        transform: scaleY(1);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .hero {
        padding-block: 3rem 3rem;
    }

    .hero-grid {
        gap: 2.3rem;
    }

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (min-width: 768px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
        align-items: center;
    }

    .hero-preview {
        justify-items: end;
    }

    .hero {
        padding-block: 4.8rem 4.2rem;
    }

    .contact-grid {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
        align-items: flex-start;
    }

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

@media (min-width: 1024px) {
    .hero h1 {
        font-size: 2.8rem;
    }
}