:root {
    --bg-main: #1C202E;
    --bg-card: #242A3A;
    --accent: #CC6133;
    --text-main: #ffffff;
    --text-muted: #b6bdd4;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.45);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #252b3c 0, #1C202E 45%, #111320 100%);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* HEADER */

.header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: rgba(12, 14, 24, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: 0.04em;
    color: var(--accent);
}

.logo img {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    background: linear-gradient(145deg, #CC6133, #ff8f58);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
    object-fit: cover;
}

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

.nav a {
    color: var(--text-main);
    font-size: 15px;
    opacity: 0.9;
    position: relative;
    padding-bottom: 4px;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 999px;
    transition: width 0.25s ease-out;
}

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

.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    cursor: pointer;
}

.burger span {
    width: 16px;
    height: 2px;
    border-radius: 999px;
    background: #ffffff;
}

/* HERO */

.hero {
    padding: 56px 20px 40px;
}

.hero-inner {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(30px, 4vw, 40px);
    line-height: 1.1;
    margin: 0 0 14px;
}

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

.hero-subtitle {
    margin: 0 0 16px;
    color: var(--text-muted);
    max-width: 520px;
    font-size: 15px;
}

.hero-list {
    list-style: none;
    padding: 0;
    margin: 0 0 18px;
    color: var(--text-main);
    font-size: 14px;
    display: grid;
    gap: 4px;
}

.hero-list li {
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 8px;
}

.btn {
    border-radius: 999px;
    padding: 10px 22px;
    font-size: 14px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform 0.12s ease-out, box-shadow 0.12s ease-out, background 0.12s ease-out, opacity 0.12s ease-out;
}

.btn-primary {
    background: linear-gradient(145deg, #CC6133, #ff8f58);
    color: #fff;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.55);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.7);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.16);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.08);
}

.hero-note {
    margin: 0;
    font-size: 12px;
    color: var(--text-muted);
}

.hero-mockup {
    display: flex;
    justify-content: center;
}

.mockup-card {
    background: radial-gradient(circle at top, #31374b 0, #1C202E 50%, #131726 100%);
    border-radius: var(--radius-xl);
    padding: 18px 18px 20px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    max-width: 320px;
    width: 100%;
}

.phone-frame {
    border-radius: 26px;
    padding: 10px;
    background: radial-gradient(circle at top, #151826 0, #05060c 60%);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.phone-frame img {
    display: block;
    width: 100%;
    border-radius: 20px;
    background: #000;
    object-fit: cover;
}

.mockup-badge {
    position: absolute;
    right: 18px;
    bottom: 18px;
    background: rgba(12, 255, 172, 0.06);
    border-radius: 18px;
    padding: 8px 10px;
    border: 1px solid rgba(77, 255, 185, 0.5);
    font-size: 11px;
    max-width: 160px;
}

.mockup-badge span {
    display: inline-block;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #4dffb9;
    margin-bottom: 4px;
}

.mockup-badge p {
    margin: 0;
    color: #e8fff7;
}

/* SECTIONS GENERIC */

.section,
.screens,
.features {
    padding: 32px 20px 40px;
}

.section-inner,
.screens > .section-header,
.features > .section-header,
.screens-grid,
.features-grid,
.contact-grid {
    max-width: 1120px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 24px;
}

.section-header h2 {
    margin: 0 0 10px;
    font-size: 24px;
}

.section-header p {
    margin: 0;
    color: var(--text-muted);
    font-size: 14px;
}

/* SCREENS */

.screens-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 18px;
}

.screen-card {
    background: rgba(24, 30, 51, 0.96);
    border-radius: var(--radius-lg);
    padding: 12px 12px 14px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.5);
}

.screen-img-wrap {
    border-radius: 20px;
    background: radial-gradient(circle at top, #2a3044 0, #171b2b 60%);
    padding: 8px;
}

.screen-img-wrap img {
    display: block;
    width: 100%;
    border-radius: 16px;
    object-fit: cover;
    background: #000;
}

.screen-caption {
    margin: 8px 4px 0;
    font-size: 12px;
    color: var(--text-muted);
}

/* FEATURES */

.features-grid {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 18px;
}

.feature-box {
    background: rgba(24, 30, 51, 0.96);
    border-radius: var(--radius-lg);
    padding: 22px 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.55);
    text-align: left;
}

.feature-box h3 {
    margin: 0 0 8px;
    color: var(--accent);
    font-size: 18px;
}

.feature-box p {
    margin: 0;
    color: var(--text-muted);
    font-size: 14px;
}

/* ALT SECTION (PRIVACY) */

.section-alt {
    background: radial-gradient(circle at top, #252b3d 0, #171a27 60%, #101320 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.section-alt .section-inner {
    max-width: 800px;
}

.section-inner h2 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 24px;
}

.section-inner p {
    margin: 0 0 10px;
    color: var(--text-muted);
    font-size: 14px;
}

/* CONTACT */

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.contact-grid h3 {
    margin: 0 0 4px;
    font-size: 16px;
}

.contact-grid p {
    margin: 0;
    font-size: 14px;
    color: var(--text-muted);
}

.contact-grid a {
    color: #ffffff;
    text-decoration: none;
}

.contact-grid a:hover {
    text-decoration: underline;
}

/* FOOTER */

.footer {
    padding: 24px 20px 28px;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    background: rgba(8, 10, 20, 0.98);
}

/* ANIMATIONS / REVEAL */

.reveal {
    opacity: 1;
    transform: translateY(32px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

.reveal-delay-0 {
    transition-delay: 0.05s;
}

.reveal-delay-1 {
    transition-delay: 0.18s;
}

.reveal-delay-2 {
    transition-delay: 0.28s;
}

.reveal-delay-3 {
    transition-delay: 0.38s;
}

/* RESPONSIVE */

@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-mockup {
        order: -1;
    }

    .hero {
        padding-top: 32px;
    }

    .hero-inner {
        gap: 28px;
    }
}

@media (max-width: 720px) {
    .header {
        padding-inline: 16px;
    }

    .nav {
        position: absolute;
        top: 56px;
        right: 16px;
        padding: 10px 14px;
        background: rgba(10, 12, 22, 0.98);
        border-radius: 16px;
        border: 1px solid rgba(255, 255, 255, 0.06);
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        min-width: 160px;
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease-out, transform 0.2s ease-out;
    }

    .nav.nav-open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .burger {
        display: flex;
    }
}

@media (max-width: 540px) {
    .hero-inner {
        gap: 20px;
    }

    .hero {
        padding-top: 24px;
    }

    .hero-content h1 {
        font-size: 26px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

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



/* CONTACT FORM */

.contact-section {
    padding: 60px 20px 80px;
    display: flex;
    justify-content: center;
}

.contact-card {
    width: 100%;
    max-width: 520px;
    background: rgba(24, 30, 51, 0.96);
    border-radius: 22px;
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.55);
}

.contact-card h2 {
    margin-top: 0;
    font-size: 26px;
    color: #ffffff;
    text-align: center;
}

.contact-sub {
    color: #b6bdd4;
    text-align: center;
    font-size: 14px;
    margin-bottom: 26px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    font-size: 14px;
    color: #ffffff;
    display: block;
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 12px;
    color: #ffffff;
    font-size: 14px;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #CC6133;
}

.contact-btn {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    margin-top: 10px;
}

.form-status {
    font-size: 14px;
    margin-top: 14px;
    text-align: center;
}