:root {
    --bg: #0b1116;
    --bg-soft: #101820;
    --bg-card: #121c25;
    --bg-card-hover: #17232d;
    --line: rgba(255, 255, 255, 0.08);

    --text: #f4f7f8;
    --muted: #9aa8b3;
    --muted-2: #6f7d87;

    --accent: #29d6b3;
    --accent-2: #17b894;
    --accent-soft: rgba(41, 214, 179, 0.12);

    --gold: #f0c25a;
    --danger: #ff7070;

    --radius: 18px;
    --container: 1180px;

    --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background:
            radial-gradient(
                    circle at top right,
                    rgba(41, 214, 179, 0.08),
                    transparent 30%
            ),
            var(--bg);
    color: var(--text);
    font-family:
            Inter,
            ui-sans-serif,
            system-ui,
            -apple-system,
            BlinkMacSystemFont,
            "Segoe UI",
            sans-serif;
    line-height: 1.6;
}

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    font: inherit;
}

img {
    max-width: 100%;
}

.container {
    width: min(calc(100% - 40px), var(--container));
    margin: 0 auto;
}

/* HEADER */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 17, 22, 0.86);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
}

.nav {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

.brand-icon {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background:
            linear-gradient(
                    135deg,
                    var(--accent),
                    #4fe3c7
            );
    color: #07100e;
    font-weight: 900;
    box-shadow: 0 8px 24px rgba(41, 214, 179, 0.25);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    color: var(--muted);
    font-size: 0.95rem;
    transition:
            color 0.2s ease,
            transform 0.2s ease;
}

.nav-links a:hover {
    color: var(--text);
    transform: translateY(-1px);
}

/* BUTTONS */

.button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 22px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-weight: 800;
    cursor: pointer;
    transition:
            transform 0.2s ease,
            background 0.2s ease,
            border-color 0.2s ease,
            box-shadow 0.2s ease;
}

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

.button-small {
    min-height: 42px;
    padding: 0 18px;
    font-size: 0.92rem;
}

.button-primary {
    background:
            linear-gradient(
                    135deg,
                    var(--accent),
                    var(--accent-2)
            );
    color: #07100e;
    box-shadow: 0 12px 30px rgba(41, 214, 179, 0.2);
}

.button-primary:hover {
    box-shadow: 0 14px 36px rgba(41, 214, 179, 0.3);
}

.button-secondary {
    background: #141e26;
    border-color: rgba(255, 255, 255, 0.09);
    color: var(--text);
}

.button-secondary:hover {
    background: #19252e;
    border-color: rgba(255, 255, 255, 0.15);
}

.button-outline {
    border-color: rgba(41, 214, 179, 0.4);
    color: var(--accent);
    background: rgba(41, 214, 179, 0.04);
}

.button-outline:hover {
    background: rgba(41, 214, 179, 0.1);
}

.full-width {
    width: 100%;
}

/* HERO */

.hero {
    padding: 90px 0 100px;
    overflow: hidden;
}

.hero-copy-centered {
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(3.2rem, 6.8vw, 6.2rem);
    line-height: 0.98;
    letter-spacing: -0.06em;
}

.hero h1 span {
    display: block;
    color: var(--accent);
}

.hero-text {
    max-width: 720px;
    margin: 28px auto 0;
    color: var(--muted);
    font-size: 1.14rem;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.hero-notes {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 24px;
    color: var(--muted-2);
    font-size: 0.9rem;
}

.hero-product {
    position: relative;
    margin-top: 58px;
    border-radius: 26px;
}

.hero-product::before {
    content: "";
    position: absolute;
    inset: -40px 8%;
    z-index: -1;
    background:
            radial-gradient(
                    circle at center,
                    rgba(41, 214, 179, 0.18),
                    transparent 66%
            );
    filter: blur(26px);
}

.hero-product img {
    display: block;
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow);
}

/* GENERAL SECTIONS */

.section {
    padding: 100px 0;
}

.section-dark {
    background: var(--bg-soft);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.section-heading {
    max-width: 720px;
    margin-bottom: 48px;
}

.section-heading h1,
.section-heading h2 {
    line-height: 1.04;
    letter-spacing: -0.045em;
}

.section-heading h1 {
    font-size: clamp(2.4rem, 4.8vw, 4.4rem);
}

.section-heading h2 {
    font-size: clamp(2.1rem, 4vw, 3.7rem);
}

.section-heading > p:not(.eyebrow) {
    margin-top: 18px;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.75;
}

/* FEATURE SHOWCASE */

.features-showcase {
    position: relative;
    margin-bottom: 44px;
}

.features-showcase::before {
    content: "";
    position: absolute;
    inset: 10% 12%;
    z-index: 0;
    background:
            radial-gradient(
                    circle,
                    rgba(41, 214, 179, 0.16),
                    transparent 68%
            );
    filter: blur(34px);
}

.features-showcase img {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    max-width: 1020px;
    margin: 0 auto;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    box-shadow: 0 22px 65px rgba(0, 0, 0, 0.28);
}

/* FEATURE CARDS */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.feature-card {
    min-height: 240px;
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    background: var(--bg-card);
    transition:
            transform 0.2s ease,
            background 0.2s ease,
            border-color 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: rgba(41, 214, 179, 0.18);
}

.feature-number {
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    margin-bottom: 24px;
}

.feature-card h2,
.feature-card h3 {
    letter-spacing: -0.02em;
}

.feature-card h2 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

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

.feature-card ul {
    padding-left: 22px;
    margin-top: 10px;
    color: var(--muted);
}

.feature-card li {
    margin-bottom: 7px;
}

/* INSTALL */

.install-container {
    max-width: 1100px;
}

.install-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.install-step {
    position: relative;
    padding: 28px;
    border-radius: 18px;
    background:
            linear-gradient(
                    180deg,
                    rgba(41, 214, 179, 0.04),
                    transparent 55%
            ),
            var(--bg-card);
    border: 1px solid var(--line);
}

.install-step h3 {
    font-size: 1.18rem;
    margin-bottom: 10px;
}

.install-step p {
    color: var(--muted);
    line-height: 1.7;
}

.install-number {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    margin-bottom: 22px;
    border-radius: 10px;
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid rgba(41, 214, 179, 0.18);
    font-size: 0.86rem;
    font-weight: 900;
}

.install-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

/* PRICING */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    max-width: 930px;
}

.price-card {
    position: relative;
    padding: 32px;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: var(--bg-card);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.16);
}

.price-card-pro {
    border-color: rgba(41, 214, 179, 0.35);
    background:
            linear-gradient(
                    180deg,
                    rgba(41, 214, 179, 0.05),
                    transparent 35%
            ),
            var(--bg-card);
}

.popular-badge {
    position: absolute;
    top: 18px;
    right: 18px;
    padding: 7px 10px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.price-name {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.price {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -0.045em;
}

.price span {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--muted-2);
    letter-spacing: 0;
}

.price-description {
    margin-top: 10px;
    color: var(--muted);
    min-height: 70px;
}

.price-card ul {
    list-style: none;
    display: grid;
    gap: 12px;
    margin: 28px 0 30px;
}

.price-card li {
    position: relative;
    padding-left: 26px;
    color: #d8e0e4;
    font-size: 0.94rem;
}

.price-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-weight: 900;
}

.pricing-note {
    margin-top: 18px;
    color: var(--muted-2);
    font-size: 0.9rem;
}

/* FAQ */

.faq-container {
    max-width: 920px;
}

.faq-list {
    display: grid;
    gap: 12px;
}

.faq-list details {
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--bg-card);
    overflow: hidden;
}

.faq-list summary {
    cursor: pointer;
    list-style: none;
    padding: 20px 22px;
    font-weight: 800;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list summary::after {
    content: "+";
    float: right;
    color: var(--accent);
    font-size: 1.25rem;
    transition: transform 0.2s ease;
}

.faq-list details[open] summary::after {
    transform: rotate(45deg);
}

.faq-list details p {
    padding: 0 22px 22px;
    color: var(--muted);
    line-height: 1.7;
}

/* LEGAL PAGES */

.faq-container > .feature-card {
    min-height: auto;
}

.faq-container > .feature-card h2 {
    margin-top: 26px;
    margin-bottom: 8px;
}

.faq-container > .feature-card h2:first-child {
    margin-top: 0;
}

.faq-container > .feature-card p {
    font-size: 0.98rem;
    line-height: 1.8;
}

.faq-container > .feature-card ul {
    margin-top: 12px;
    margin-bottom: 8px;
}

.faq-container > .feature-card .button {
    margin-top: 4px;
}

/* FINAL CTA */

.final-cta {
    padding: 90px 0;
    background:
            radial-gradient(
                    circle at center,
                    rgba(41, 214, 179, 0.09),
                    transparent 55%
            );
}

.final-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 42px;
    border-radius: 24px;
    background: var(--bg-card);
    border: 1px solid rgba(41, 214, 179, 0.18);
    box-shadow: 0 18px 55px rgba(0, 0, 0, 0.18);
}

.final-cta-inner h2 {
    max-width: 700px;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.06;
    letter-spacing: -0.045em;
}

/* FOOTER */

.site-footer {
    padding: 52px 0 32px;
    background: #080d11;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    padding-bottom: 28px;
}

.footer-content strong {
    display: block;
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.footer-content p {
    color: var(--muted-2);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links a {
    color: var(--muted);
    font-size: 0.9rem;
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--line);
}

.footer-bottom p {
    color: var(--muted-2);
    font-size: 0.82rem;
    line-height: 1.65;
    max-width: 850px;
}

/* RESPONSIVE */

@media (max-width: 980px) {
    .hero {
        padding-top: 74px;
    }

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

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

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

@media (max-width: 760px) {
    .nav {
        min-height: 68px;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 66px 0 72px;
    }

    .hero h1 {
        font-size: clamp(2.8rem, 13vw, 4.7rem);
    }

    .hero-text {
        font-size: 1rem;
    }

    .hero-product {
        margin-top: 42px;
    }

    .section {
        padding: 76px 0;
    }

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

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

    .price-description {
        min-height: auto;
    }

    .footer-content {
        flex-direction: column;
    }
}

@media (max-width: 520px) {
    .container {
        width: min(calc(100% - 26px), var(--container));
    }

    .site-header .button-small {
        padding: 0 13px;
        font-size: 0.84rem;
    }

    .brand span {
        font-size: 0.98rem;
    }

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

    .hero-actions .button,
    .install-actions .button {
        width: 100%;
    }

    .hero-notes {
        display: grid;
        gap: 8px;
    }

    .hero-product img,
    .features-showcase img {
        border-radius: 16px;
    }

    .price-card {
        padding: 24px;
    }

    .popular-badge {
        position: static;
        display: inline-flex;
        margin-bottom: 18px;
    }

    .final-cta-inner {
        padding: 28px 22px;
    }

    .final-cta-inner .button {
        width: 100%;
    }

    .feature-card {
        padding: 24px;
    }
}

/* CONTACT PAGE */

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 48px;
    align-items: start;
}

.contact-intro {
    max-width: 520px;
}

.contact-intro h1 {
    font-size: clamp(2.6rem, 5vw, 4.4rem);
    line-height: 1.02;
    letter-spacing: -0.05em;
    margin-bottom: 20px;
}

.contact-intro > p:not(.eyebrow) {
    color: var(--muted);
    font-size: 1.04rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.contact-info-card {
    margin-top: 16px;
    padding: 22px 24px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background:
            linear-gradient(
                    180deg,
                    rgba(41, 214, 179, 0.035),
                    transparent 70%
            ),
            var(--bg-card);
}

.contact-info-card strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1rem;
    letter-spacing: -0.01em;
}

.contact-info-card p {
    color: var(--muted);
    font-size: 0.93rem;
    line-height: 1.7;
}

.contact-info-card a {
    display: inline-flex;
    margin-top: 10px;
    color: var(--accent);
    font-size: 0.92rem;
    font-weight: 800;
    transition:
            color 0.2s ease,
            transform 0.2s ease;
}

.contact-info-card a:hover {
    color: #55e6c9;
    transform: translateX(2px);
}

.contact-form-card {
    padding: 32px;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    background:
            linear-gradient(
                    180deg,
                    rgba(41, 214, 179, 0.035),
                    transparent 35%
            ),
            var(--bg-card);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
}

#contactForm {
    display: grid;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-group {
    display: grid;
    gap: 8px;
}

.form-group label {
    color: #dce5e9;
    font-size: 0.9rem;
    font-weight: 800;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    min-width: 0;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    outline: none;
    background: #0d151b;
    color: var(--text);
    font: inherit;
    transition:
            border-color 0.2s ease,
            box-shadow 0.2s ease,
            background 0.2s ease;
}

.form-group input,
.form-group select {
    min-height: 50px;
    padding: 0 14px;
}

.form-group textarea {
    min-height: 180px;
    padding: 14px;
    resize: vertical;
    line-height: 1.6;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #667681;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 42px;
    background-image:
            linear-gradient(45deg, transparent 50%, var(--muted) 50%),
            linear-gradient(135deg, var(--muted) 50%, transparent 50%);
    background-position:
            calc(100% - 18px) 21px,
            calc(100% - 13px) 21px;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
}

.form-group select option {
    background: #101820;
    color: var(--text);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: rgba(255, 255, 255, 0.18);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: rgba(41, 214, 179, 0.75);
    background: #0f1920;
    box-shadow: 0 0 0 4px rgba(41, 214, 179, 0.1);
}

.form-group input:-webkit-autofill,
.form-group input:-webkit-autofill:hover,
.form-group input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--text);
    -webkit-box-shadow: 0 0 0 1000px #0d151b inset;
    transition: background-color 9999s ease-in-out 0s;
}

.honeypot {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

#contactSubmitButton {
    margin-top: 2px;
}

#contactSubmitButton:disabled {
    cursor: wait;
    opacity: 0.7;
    transform: none;
}

.contact-status {
    min-height: 0;
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.6;
}

.contact-status:empty {
    display: none;
}

.contact-status-success,
.contact-status-error {
    display: block;
    padding: 12px 14px;
    border-radius: 11px;
    border: 1px solid;
}

.contact-status-success {
    color: #73ebd2;
    background: rgba(41, 214, 179, 0.08);
    border-color: rgba(41, 214, 179, 0.22);
}

.contact-status-error {
    color: #ff9999;
    background: rgba(255, 112, 112, 0.08);
    border-color: rgba(255, 112, 112, 0.22);
}

@media (max-width: 980px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .contact-intro {
        max-width: 720px;
    }
}

@media (max-width: 760px) {
    .contact-form-card {
        padding: 26px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .contact-intro h1 {
        font-size: clamp(2.35rem, 13vw, 3.5rem);
    }

    .contact-form-card {
        padding: 22px 18px;
        border-radius: 18px;
    }

    .contact-info-card {
        padding: 20px;
    }

    .form-group input,
    .form-group select {
        min-height: 48px;
    }
}