/* =========================================================
   RizzCard — MAIN STYLESHEET
========================================================= */

:root {
    --bg: #f7f8fa;
    --white: #ffffff;
    --black: #0b0d10;
    --dark: #11151a;
    --text: #171a1f;
    --muted: #737982;
    --border: #e5e7eb;

    --blue: #2563eb;
    --purple: #7c3aed;
    --green: #16a34a;
    --red: #dc2626;
    --yellow: #eab308;
    --cyan: #0891b2;

    --radius: 18px;
    --shadow: 0 15px 40px rgba(0, 0, 0, 0.08);

    --container: 1180px;
}


/* =========================================================
   RESET
========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family:
        Inter,
        Arial,
        Helvetica,
        sans-serif;

    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

button {
    font: inherit;
}

img {
    max-width: 100%;
    display: block;
}


/* =========================================================
   CONTAINER
========================================================= */

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

    margin: 0 auto;
}


/* =========================================================
   NAVIGATION
========================================================= */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;

    background: rgba(255, 255, 255, 0.94);

    backdrop-filter: blur(15px);

    border-bottom: 1px solid var(--border);
}

.nav-container {
    min-height: 76px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 30px;
}


/* =========================================================
   LOGO
========================================================= */

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;

    font-size: 20px;
    font-weight: 800;

    letter-spacing: -0.5px;

    white-space: nowrap;
}

.logo img {
    width: 42px;
    height: 42px;

    object-fit: contain;

    border-radius: 10px;
}

.logo span {
    display: inline-block;
}


/* =========================================================
   NAV LINKS
========================================================= */

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

    margin-left: auto;
}

.nav-links a {
    color: #555b63;

    font-size: 14px;
    font-weight: 600;

    transition: color 0.2s ease;
}

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


/* =========================================================
   NAV ACTIONS
========================================================= */

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.telegram-btn,
.login-btn,
.primary-btn,
.secondary-btn,
.dark-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    border-radius: 10px;

    font-size: 14px;
    font-weight: 700;

    transition:
        transform 0.2s ease,
        background 0.2s ease,
        color 0.2s ease;
}

.telegram-btn {
    gap: 7px;

    padding: 10px 15px;

    color: #229ed9;
    background: #eef8fd;
}

.telegram-btn:hover {
    transform: translateY(-1px);
}

.telegram-icon {
    font-size: 15px;
}

.login-btn {
    padding: 10px 15px;

    color: #555b63;
}

.login-btn:hover {
    color: var(--black);
}

.primary-btn {
    padding: 11px 17px;

    color: white;
    background: var(--black);
}

.primary-btn:hover {
    transform: translateY(-1px);

    background: #252a30;
}

.primary-btn.large,
.secondary-btn.large {
    padding: 14px 21px;

    border-radius: 12px;

    font-size: 15px;
}

.secondary-btn {
    padding: 11px 17px;

    color: var(--black);

    border: 1px solid var(--border);

    background: white;
}

.secondary-btn:hover {
    background: #f1f2f4;
}

.dark-btn {
    padding: 13px 21px;

    color: white;
    background: var(--black);
}

.dark-btn:hover {
    transform: translateY(-1px);

    background: #24282d;
}


/* =========================================================
   MOBILE MENU BUTTON
========================================================= */

.mobile-menu-btn {
    display: none;

    width: 42px;
    height: 42px;

    border: 1px solid var(--border);
    border-radius: 10px;

    background: white;

    cursor: pointer;

    font-size: 20px;
}


/* =========================================================
   MOBILE MENU
========================================================= */

.mobile-menu {
    display: none;

    padding: 20px;

    border-top: 1px solid var(--border);

    background: white;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu > a {
    display: block;

    padding: 12px 0;

    color: #555b63;

    font-weight: 600;
}

.mobile-actions {
    display: flex;
    flex-direction: column;

    gap: 10px;

    margin-top: 12px;
}

.mobile-actions a {
    text-align: center;

    padding: 12px;
}


/* =========================================================
   HERO
========================================================= */

.hero {
    position: relative;

    overflow: hidden;

    padding: 110px 0 100px;

    background:
        radial-gradient(
            circle at 80% 20%,
            rgba(37, 99, 235, 0.10),
            transparent 35%
        ),
        var(--bg);
}

.hero-glow {
    position: absolute;

    width: 500px;
    height: 500px;

    right: -180px;
    top: -180px;

    border-radius: 50%;

    background: rgba(124, 58, 237, 0.08);

    filter: blur(50px);

    pointer-events: none;
}

.hero-grid {
    position: relative;

    display: grid;

    grid-template-columns:
        minmax(0, 1fr)
        minmax(400px, 0.9fr);

    align-items: center;

    gap: 70px;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    padding: 7px 11px;

    margin-bottom: 22px;

    border: 1px solid var(--border);
    border-radius: 999px;

    background: white;

    color: #60666e;

    font-size: 12px;
    font-weight: 700;

    text-transform: uppercase;
    letter-spacing: 0.7px;
}

.status-dot {
    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: #22c55e;
}

.hero h1 {
    max-width: 700px;

    margin-bottom: 22px;

    font-size: clamp(46px, 6vw, 76px);

    line-height: 0.98;

    letter-spacing: -3px;
}

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

.hero-content > p {
    max-width: 620px;

    margin-bottom: 30px;

    color: var(--muted);

    font-size: 18px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;

    gap: 12px;

    margin-bottom: 25px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;

    gap: 18px;

    color: #626872;

    font-size: 13px;
    font-weight: 600;
}


/* =========================================================
   HERO CARDS
========================================================= */

.hero-cards {
    position: relative;

    min-height: 430px;
}

.virtual-card,
.product-visual {
    position: relative;

    overflow: hidden;

    border-radius: 22px;

    color: white;

    box-shadow:
        0 25px 60px rgba(0, 0, 0, 0.22);
}

.virtual-card {
    position: absolute;

    width: 390px;
    height: 245px;

    padding: 27px;
}

.card-back {
    right: 40px;
    top: 20px;

    transform: rotate(8deg);

    background:
        linear-gradient(
            135deg,
            #444,
            #111
        );
}

.card-front {
    left: 30px;
    bottom: 30px;

    transform: rotate(-5deg);

    background:
        linear-gradient(
            135deg,
            #15191e,
            #050607
        );
}

.card-top,
.card-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-top {
    font-size: 13px;
}

.card-top strong {
    font-size: 17px;
}

.card-top span {
    font-size: 10px;

    opacity: 0.7;

    letter-spacing: 1px;
}

.chip {
    width: 45px;
    height: 32px;

    margin-top: 35px;

    border-radius: 7px;

    background:
        linear-gradient(
            135deg,
            #f0c674,
            #b88728
        );
}

.card-number {
    margin-top: 25px;

    font-family: monospace;

    font-size: 17px;

    letter-spacing: 2px;
}

.card-bottom {
    position: absolute;

    left: 27px;
    right: 27px;
    bottom: 24px;

    font-size: 9px;

    letter-spacing: 1px;

    opacity: 0.75;
}


/* =========================================================
   STATS
========================================================= */

.stats {
    padding: 28px 0;

    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);

    background: white;
}

.stats-grid {
    display: grid;

    grid-template-columns:
        repeat(4, 1fr);
}

.stat {
    display: flex;
    flex-direction: column;

    gap: 4px;

    padding: 5px 25px;

    border-right: 1px solid var(--border);
}

.stat:last-child {
    border-right: 0;
}

.stat strong {
    font-size: 23px;
}

.stat span {
    color: var(--muted);

    font-size: 13px;
}


/* =========================================================
   SECTIONS
========================================================= */

.section {
    padding: 105px 0;
}

.section-heading {
    max-width: 700px;

    margin-bottom: 50px;
}

.section-heading.centered {
    margin-left: auto;
    margin-right: auto;

    text-align: center;
}

.section-label {
    display: inline-block;

    margin-bottom: 13px;

    color: var(--blue);

    font-size: 11px;
    font-weight: 800;

    letter-spacing: 1.5px;
}

.section-heading h2,
.crypto-section h2,
.cta-box h2 {
    margin-bottom: 16px;

    font-size: clamp(34px, 4vw, 52px);

    line-height: 1.05;

    letter-spacing: -2px;
}

.section-heading p,
.crypto-section p {
    color: var(--muted);

    font-size: 16px;
}


/* =========================================================
   ADVANTAGES
========================================================= */

.advantages-grid {
    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 18px;
}

.advantage-card {
    padding: 28px;

    border: 1px solid var(--border);
    border-radius: var(--radius);

    background: white;

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.advantage-card:hover {
    transform: translateY(-4px);

    box-shadow: var(--shadow);
}

.icon-box {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 42px;
    height: 42px;

    margin-bottom: 22px;

    border-radius: 12px;

    background: #f0f3f7;

    font-size: 19px;
}

.advantage-card h3 {
    margin-bottom: 10px;

    font-size: 17px;
}

.advantage-card p {
    color: var(--muted);

    font-size: 14px;
}


/* =========================================================
   PRODUCT CARDS
========================================================= */

.cards-section {
    background: white;
}

.cards-grid {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 22px;
}

.product-card {
    overflow: hidden;

    border: 1px solid var(--border);
    border-radius: var(--radius);

    background: white;
}

.product-visual {
    height: 220px;

    padding: 25px;
}

.black-card {
    background:
        linear-gradient(
            135deg,
            #191c20,
            #050607
        );
}

.platinum-card {
    color: #17191c;

    background:
        linear-gradient(
            135deg,
            #f4f4f4,
            #bfc3c9
        );
}

.business-card {
    background:
        linear-gradient(
            135deg,
            #0d3140,
            #06141b
        );
}

.product-info {
    padding: 25px;
}

.product-info h3 {
    margin-bottom: 9px;

    font-size: 20px;
}

.product-info p {
    min-height: 68px;

    margin-bottom: 15px;

    color: var(--muted);

    font-size: 14px;
}

.text-link {
    color: var(--blue);

    font-size: 14px;
    font-weight: 700;
}


/* =========================================================
   SERVICES
========================================================= */

.services-section {
    background: var(--bg);
}

.services-grid {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 18px;
}

.service-card {
    display: block;

    padding: 27px;

    border: 1px solid var(--border);
    border-radius: var(--radius);

    background: white;

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.service-card:hover {
    transform: translateY(-4px);

    box-shadow: var(--shadow);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 43px;
    height: 43px;

    margin-bottom: 20px;

    border-radius: 12px;

    font-weight: 800;
}

.service-icon.red {
    color: var(--red);
    background: #fee2e2;
}

.service-icon.blue {
    color: var(--blue);
    background: #dbeafe;
}

.service-icon.purple {
    color: var(--purple);
    background: #ede9fe;
}

.service-icon.yellow {
    color: #a16207;
    background: #fef3c7;
}

.service-icon.green {
    color: var(--green);
    background: #dcfce7;
}

.service-icon.cyan {
    color: var(--cyan);
    background: #cffafe;
}

.service-card h3 {
    margin-bottom: 9px;

    font-size: 17px;
}

.service-card p {
    min-height: 66px;

    margin-bottom: 15px;

    color: var(--muted);

    font-size: 14px;
}

.service-card > span {
    color: var(--blue);

    font-size: 13px;
    font-weight: 700;
}


/* =========================================================
   CRYPTO SECTION
========================================================= */

.crypto-section {
    background: white;
}

.crypto-grid {
    display: grid;

    grid-template-columns:
        1fr 1fr;

    align-items: center;

    gap: 80px;
}

.feature-list {
    display: grid;

    gap: 12px;

    margin-top: 25px;

    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;

    gap: 10px;

    color: #50565e;

    font-size: 14px;
}

.feature-list li span {
    color: var(--green);

    font-weight: 800;
}

.analysis-panel {
    padding: 25px;

    border: 1px solid var(--border);
    border-radius: 20px;

    background: #fafafa;

    box-shadow: var(--shadow);
}

.analysis-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-bottom: 25px;
}

.analysis-header strong,
.analysis-header small {
    display: block;
}

.analysis-header small {
    color: var(--muted);

    font-size: 12px;
}

.status {
    padding: 6px 9px;

    border-radius: 999px;

    color: var(--green);
    background: #dcfce7;

    font-size: 10px;
    font-weight: 800;
}

.hash-box {
    padding: 16px;

    border-radius: 12px;

    background: white;

    border: 1px solid var(--border);
}

.hash-box small {
    display: block;

    margin-bottom: 7px;

    color: var(--muted);

    font-size: 9px;
    font-weight: 800;
}

.hash-box code {
    color: #444;

    font-size: 12px;
}

.analysis-stats {
    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 12px;

    margin-top: 12px;
}

.analysis-stats > div {
    padding: 16px;

    border: 1px solid var(--border);
    border-radius: 12px;

    background: white;
}

.analysis-stats small {
    display: block;

    color: var(--muted);

    font-size: 9px;
}

.analysis-stats strong {
    font-size: 22px;
}

.chart {
    display: flex;
    align-items: flex-end;

    gap: 7px;

    height: 120px;

    margin-top: 25px;

    padding: 10px;

    border-radius: 12px;

    background: #f0f2f5;
}

.chart div {
    flex: 1;

    border-radius: 4px 4px 1px 1px;

    background:
        linear-gradient(
            to top,
            #2563eb,
            #7c3aed
        );
}


/* =========================================================
   HOW IT WORKS
========================================================= */

.steps {
    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 25px;
}

.step {
    position: relative;

    padding-top: 20px;
}

.step-number {
    display: inline-block;

    margin-bottom: 20px;

    color: var(--blue);

    font-size: 13px;
    font-weight: 800;
}

.step h3 {
    margin-bottom: 8px;

    font-size: 17px;
}

.step p {
    color: var(--muted);

    font-size: 14px;
}


/* =========================================================
   FAQ
========================================================= */

.faq-container {
    max-width: 850px;
}

.faq {
    border-top: 1px solid var(--border);
}

.faq details {
    border-bottom: 1px solid var(--border);
}

.faq summary {
    padding: 21px 0;

    cursor: pointer;

    font-weight: 700;

    list-style: none;
}

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

.faq summary::after {
    content: "+";

    float: right;

    color: var(--muted);

    font-size: 20px;
}

.faq details[open] summary::after {
    content: "−";
}

.faq details p {
    max-width: 700px;

    padding: 0 0 22px;

    color: var(--muted);

    font-size: 14px;
}


/* =========================================================
   CTA
========================================================= */

.cta-section {
    padding: 80px 0;

    background: white;
}

.cta-box {
    padding: 70px 40px;

    border-radius: 25px;

    text-align: center;

    background:
        radial-gradient(
            circle at top right,
            rgba(37, 99, 235, 0.15),
            transparent 35%
        ),
        #f0f2f5;
}

.cta-box p {
    max-width: 600px;

    margin: 0 auto 25px;

    color: var(--muted);
}


/* =========================================================
   FOOTER
========================================================= */

footer {
    padding-top: 65px;

    background: #0b0d10;

    color: white;
}

.footer-grid {
    display: grid;

    grid-template-columns:
        1.5fr 1fr 1fr 1fr;

    gap: 45px;

    padding-bottom: 55px;
}

.footer-grid .logo {
    margin-bottom: 15px;
}

.footer-grid .logo img {
    width: 40px;
    height: 40px;
}

.footer-grid p {
    max-width: 280px;

    color: #858b94;

    font-size: 13px;
}

.footer-grid h4 {
    margin-bottom: 16px;

    font-size: 13px;

    color: white;
}

.footer-grid > div:not(:first-child) a {
    display: block;

    margin-bottom: 10px;

    color: #858b94;

    font-size: 13px;

    transition: color 0.2s ease;
}

.footer-grid > div:not(:first-child) a:hover {
    color: white;
}

.footer-bottom {
    padding: 20px 0;

    border-top: 1px solid #24282e;

    text-align: center;
}

.footer-bottom p {
    color: #6f757d;

    font-size: 12px;
}


/* =========================================================
   RESPONSIVE — TABLET
========================================================= */

@media (max-width: 1000px) {

    .nav-links {
        display: none;
    }

    .nav-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

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

        gap: 60px;
    }

    .hero-cards {
        max-width: 600px;

        width: 100%;

        margin: 0 auto;
    }

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

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

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

    .crypto-grid {
        grid-template-columns: 1fr;

        gap: 50px;
    }

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

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


/* =========================================================
   RESPONSIVE — MOBILE
========================================================= */

@media (max-width: 650px) {

    .container {
        width: min(
            calc(100% - 28px),
            var(--container)
        );
    }

    .nav-container {
        min-height: 68px;
    }

    .logo {
        font-size: 18px;
    }

    .logo img {
        width: 36px;
        height: 36px;
    }

    .hero {
        padding: 75px 0 70px;
    }

    .hero h1 {
        font-size: 45px;

        letter-spacing: -2px;
    }

    .hero-content > p {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons a {
        width: 100%;
    }

    .hero-features {
        flex-direction: column;

        gap: 7px;
    }

    .hero-cards {
        min-height: 340px;
    }

    .virtual-card {
        width: 300px;
        height: 190px;

        padding: 20px;

        border-radius: 17px;
    }

    .card-back {
        right: 0;
    }

    .card-front {
        left: 0;
        bottom: 10px;
    }

    .card-top strong {
        font-size: 13px;
    }

    .chip {
        width: 37px;
        height: 26px;

        margin-top: 22px;
    }

    .card-number {
        margin-top: 17px;

        font-size: 13px;
    }

    .card-bottom {
        left: 20px;
        right: 20px;
        bottom: 17px;
    }

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

    .stat {
        padding: 14px;

        border-bottom: 1px solid var(--border);
    }

    .section {
        padding: 75px 0;
    }

    .section-heading h2,
    .crypto-section h2,
    .cta-box h2 {
        font-size: 36px;

        letter-spacing: -1.5px;
    }

    .advantages-grid,
    .cards-grid,
    .services-grid,
    .steps {
        grid-template-columns: 1fr;
    }

    .product-info p,
    .service-card p {
        min-height: auto;
    }

    .product-visual {
        height: 210px;
    }

    .crypto-grid {
        gap: 40px;
    }

    .analysis-panel {
        padding: 18px;
    }

    .cta-section {
        padding: 55px 0;
    }

    .cta-box {
        padding: 50px 22px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;

        gap: 35px 20px;
    }
}


/* =========================================================
   SMALL MOBILE
========================================================= */

@media (max-width: 400px) {

    .hero h1 {
        font-size: 39px;
    }

    .virtual-card {
        width: 275px;
        height: 175px;
    }

    .hero-cards {
        min-height: 310px;
    }

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