:root {
    --background: #050b14;
    --background-soft: #081321;
    --surface: #0d1a2b;
    --surface-light: #132238;
    --surface-border: rgba(148, 163, 184, 0.15);

    --primary: #26f39a;
    --primary-dark: #0bc276;
    --primary-soft: rgba(38, 243, 154, 0.12);

    --secondary: #35c7ff;
    --secondary-soft: rgba(53, 199, 255, 0.12);

    --text: #f8fafc;
    --text-soft: #c8d2df;
    --text-muted: #8da0b7;

    --danger: #fb7185;
    --warning: #fbbf24;

    --shadow:
        0 24px 80px rgba(0, 0, 0, 0.28);

    --container: 1200px;
    --radius-small: 10px;
    --radius-medium: 18px;
    --radius-large: 28px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(
            circle at 10% 5%,
            rgba(53, 199, 255, 0.09),
            transparent 28%
        ),
        radial-gradient(
            circle at 90% 15%,
            rgba(38, 243, 154, 0.08),
            transparent 32%
        ),
        var(--background);

    color: var(--text);
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    line-height: 1.65;
    overflow-x: hidden;
}

a {
    color: inherit;
}

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

button,
input,
select,
textarea {
    font: inherit;
}

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

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 9999;
    padding: 10px 16px;
    border-radius: 8px;
    background: var(--primary);
    color: #02140c;
    font-weight: 800;
    transform: translateY(-150%);
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid transparent;
    background: rgba(5, 11, 20, 0.82);
    backdrop-filter: blur(18px);
    transition:
        border-color 0.25s ease,
        box-shadow 0.25s ease;
}

.site-header.is-scrolled {
    border-color: var(--surface-border);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.24);
}

.nav-container {
    min-height: 84px;
    display: flex;
    align-items: center;
    gap: 28px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    text-decoration: none;
    flex-shrink: 0;
}

.brand-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(38, 243, 154, 0.45);
    border-radius: 13px;
    background:
        linear-gradient(
            145deg,
            rgba(38, 243, 154, 0.22),
            rgba(53, 199, 255, 0.08)
        );
    color: var(--primary);
    font-size: 22px;
    font-weight: 900;
    box-shadow:
        inset 0 0 22px rgba(38, 243, 154, 0.08),
        0 10px 30px rgba(0, 0, 0, 0.2);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.brand-text strong {
    font-size: 20px;
    letter-spacing: -0.4px;
}

.brand-text small {
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.main-navigation {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 23px;
}

.main-navigation a {
    position: relative;
    color: var(--text-soft);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    transition: color 0.2s ease;
}

.main-navigation a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -9px;
    left: 0;
    height: 2px;
    border-radius: 999px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.2s ease;
}

.main-navigation a:hover,
.main-navigation a.active {
    color: var(--primary);
}

.main-navigation a:hover::after,
.main-navigation a.active::after {
    transform: scaleX(1);
}

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

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    margin-left: auto;
    border: 1px solid var(--surface-border);
    border-radius: 11px;
    background: var(--surface);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 4px auto;
    background: var(--text);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 48px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 11px;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease,
        box-shadow 0.2s ease;
}

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

.button-primary {
    background:
        linear-gradient(
            135deg,
            var(--primary),
            #66ffbf
        );
    color: #02140c;
    box-shadow:
        0 14px 35px rgba(38, 243, 154, 0.18);
}

.button-primary:hover {
    box-shadow:
        0 18px 44px rgba(38, 243, 154, 0.28);
}

.button-secondary {
    border-color: rgba(53, 199, 255, 0.35);
    background: var(--secondary-soft);
    color: #9ce5ff;
}

.button-ghost {
    border-color: var(--surface-border);
    background: rgba(255, 255, 255, 0.025);
    color: var(--text-soft);
}

.button-ghost:hover {
    border-color: rgba(38, 243, 154, 0.4);
    color: var(--primary);
}

.button-small {
    min-height: 40px;
    padding-inline: 16px;
    font-size: 13px;
}

.button-block {
    width: 100%;
}

.hero {
    position: relative;
    min-height: calc(100vh - 84px);
    display: flex;
    align-items: center;
    padding: 90px 0 100px;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 13%;
    left: -150px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: rgba(53, 199, 255, 0.08);
    filter: blur(20px);
}

.hero::after {
    content: "";
    position: absolute;
    right: -150px;
    bottom: 4%;
    width: 450px;
    height: 450px;
    border-radius: 50%;
    background: rgba(38, 243, 154, 0.07);
    filter: blur(20px);
}

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr);
    align-items: center;
    gap: 70px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    width: fit-content;
    margin-bottom: 20px;
    padding: 8px 13px;
    border: 1px solid rgba(38, 243, 154, 0.25);
    border-radius: 999px;
    background: var(--primary-soft);
    color: #7fffc3;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 15px var(--primary);
}

.hero h1 {
    max-width: 800px;
    font-size: clamp(44px, 6.5vw, 82px);
    line-height: 1.02;
    letter-spacing: -0.055em;
}

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

.hero-description {
    max-width: 690px;
    margin-top: 26px;
    color: var(--text-soft);
    font-size: clamp(17px, 2vw, 20px);
}

.hero-course-line {
    margin-top: 19px;
    color: var(--secondary);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.035em;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
    margin-top: 34px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 36px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 700;
}

.hero-trust span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero-trust span::before {
    content: "✓";
    color: var(--primary);
    font-weight: 900;
}

.hero-panel {
    position: relative;
    padding: 28px;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-large);
    background:
        linear-gradient(
            145deg,
            rgba(19, 34, 56, 0.92),
            rgba(8, 19, 33, 0.92)
        );
    box-shadow: var(--shadow);
}

.hero-panel::before {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    background:
        linear-gradient(
            140deg,
            rgba(255, 255, 255, 0.04),
            transparent 45%
        );
    pointer-events: none;
}

.panel-label {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-panel h2 {
    margin-top: 8px;
    font-size: 28px;
    letter-spacing: -0.025em;
}

.hero-panel > p {
    margin-top: 10px;
    color: var(--text-soft);
}

.portal-list {
    display: grid;
    gap: 10px;
    margin: 24px 0;
}

.portal-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px;
    border: 1px solid var(--surface-border);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.025);
    color: var(--text-soft);
    font-size: 14px;
    font-weight: 700;
}

.portal-item span {
    width: 29px;
    height: 29px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 12px;
}

.section {
    padding: 100px 0;
}

.section-dark {
    border-top: 1px solid var(--surface-border);
    border-bottom: 1px solid var(--surface-border);
    background: rgba(8, 19, 33, 0.7);
}

.section-heading {
    max-width: 760px;
    margin-bottom: 48px;
}

.section-heading.center {
    margin-inline: auto;
    text-align: center;
}

.section-kicker {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.section-heading h2 {
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.12;
    letter-spacing: -0.035em;
}

.section-heading p {
    margin-top: 16px;
    color: var(--text-soft);
    font-size: 17px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.stat-card {
    padding: 28px;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-medium);
    background: rgba(13, 26, 43, 0.7);
    text-align: center;
}

.stat-number {
    color: var(--primary);
    font-size: 38px;
    font-weight: 900;
    letter-spacing: -0.04em;
}

.stat-label {
    margin-top: 6px;
    color: var(--text-soft);
    font-weight: 700;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.feature-card {
    padding: 27px;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-medium);
    background: var(--surface);
    transition:
        transform 0.2s ease,
        border-color 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(38, 243, 154, 0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: var(--primary-soft);
    color: var(--primary);
    font-weight: 900;
}

.feature-card h3 {
    margin-top: 19px;
    font-size: 18px;
}

.feature-card p {
    margin-top: 9px;
    color: var(--text-muted);
    font-size: 14px;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.course-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-medium);
    background: var(--surface);
    overflow: hidden;
    transition:
        transform 0.25s ease,
        border-color 0.25s ease,
        box-shadow 0.25s ease;
}

.course-card:hover {
    transform: translateY(-7px);
    border-color: rgba(38, 243, 154, 0.3);
    box-shadow: var(--shadow);
}

.course-visual {
    position: relative;
    min-height: 190px;
    display: flex;
    align-items: flex-end;
    padding: 23px;
    background:
        radial-gradient(
            circle at 80% 20%,
            rgba(38, 243, 154, 0.25),
            transparent 35%
        ),
        linear-gradient(
            135deg,
            #10253c,
            #091522
        );
    overflow: hidden;
}

.course-visual::before {
    content: "";
    position: absolute;
    top: -90px;
    right: -50px;
    width: 190px;
    height: 190px;
    border: 1px solid rgba(53, 199, 255, 0.22);
    border-radius: 50%;
}

.course-visual::after {
    content: "";
    position: absolute;
    top: 40px;
    right: 25px;
    width: 90px;
    height: 90px;
    border: 1px solid rgba(38, 243, 154, 0.2);
    border-radius: 24px;
    transform: rotate(20deg);
}

.course-code {
    position: relative;
    z-index: 2;
    color: rgba(255, 255, 255, 0.15);
    font-size: 72px;
    font-weight: 900;
    line-height: 1;
}

.course-status {
    position: absolute;
    top: 17px;
    left: 17px;
    z-index: 3;
    padding: 7px 10px;
    border: 1px solid rgba(38, 243, 154, 0.25);
    border-radius: 999px;
    background: rgba(5, 11, 20, 0.72);
    color: var(--primary);
    font-size: 11px;
    font-weight: 900;
    text-transform: uppercase;
}

.course-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 24px;
}

.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.course-meta span {
    padding: 5px 9px;
    border-radius: 7px;
    background: rgba(148, 163, 184, 0.08);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 800;
}

.course-content h3 {
    font-size: 22px;
    line-height: 1.25;
}

.course-description {
    margin-top: 11px;
    color: var(--text-muted);
    font-size: 14px;
}

.course-footer {
    margin-top: auto;
    padding-top: 21px;
}

.course-price {
    margin-bottom: 15px;
}

.course-price small {
    display: block;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
}

.course-price strong {
    color: var(--primary);
    font-size: 26px;
    letter-spacing: -0.03em;
}

.course-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 9px;
}

.empty-state {
    grid-column: 1 / -1;
    padding: 50px 30px;
    border: 1px dashed rgba(148, 163, 184, 0.25);
    border-radius: var(--radius-medium);
    color: var(--text-soft);
    text-align: center;
}

.section-action {
    margin-top: 36px;
    text-align: center;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card {
    padding: 28px;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-medium);
    background:
        linear-gradient(
            145deg,
            rgba(19, 34, 56, 0.9),
            rgba(8, 19, 33, 0.9)
        );
}

.service-number {
    color: var(--secondary);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.12em;
}

.service-card h3 {
    margin-top: 15px;
    font-size: 20px;
}

.service-card p {
    margin-top: 9px;
    color: var(--text-muted);
    font-size: 14px;
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
}

.content-list {
    display: grid;
    gap: 13px;
    margin-top: 24px;
    list-style: none;
}

.content-list li {
    position: relative;
    padding-left: 28px;
    color: var(--text-soft);
}

.content-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 900;
}

.info-panel {
    padding: 34px;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-large);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.info-panel h3 {
    font-size: 28px;
}

.info-panel p {
    margin-top: 12px;
    color: var(--text-soft);
}

.trainer-card {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 25px;
    align-items: center;
}

.trainer-avatar {
    width: 130px;
    height: 130px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(38, 243, 154, 0.3);
    border-radius: 28px;
    background:
        linear-gradient(
            145deg,
            var(--primary-soft),
            var(--secondary-soft)
        );
    color: var(--primary);
    font-size: 38px;
    font-weight: 900;
}

.trainer-details h3 {
    font-size: 26px;
}

.trainer-role {
    margin-top: 4px;
    color: var(--primary);
    font-weight: 800;
}

.trainer-bio {
    margin-top: 12px;
    color: var(--text-soft);
}

.cta-box {
    position: relative;
    padding: 58px;
    border: 1px solid rgba(38, 243, 154, 0.22);
    border-radius: var(--radius-large);
    background:
        radial-gradient(
            circle at 90% 10%,
            rgba(38, 243, 154, 0.18),
            transparent 32%
        ),
        linear-gradient(
            135deg,
            #10253c,
            #081321
        );
    overflow: hidden;
}

.cta-box h2 {
    max-width: 700px;
    font-size: clamp(32px, 4vw, 50px);
    line-height: 1.1;
    letter-spacing: -0.035em;
}

.cta-box p {
    max-width: 700px;
    margin-top: 16px;
    color: var(--text-soft);
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 29px;
}

.site-footer {
    padding-top: 75px;
    border-top: 1px solid var(--surface-border);
    background: #030811;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 45px;
}

.footer-brand {
    margin-bottom: 20px;
}

.footer-about > p {
    max-width: 440px;
    color: var(--text-muted);
    font-size: 14px;
}

.footer-contact-list {
    display: grid;
    gap: 7px;
    margin-top: 20px;
    color: var(--text-soft);
    font-size: 14px;
}

.footer-contact-list a {
    text-decoration: none;
}

.site-footer h3 {
    margin-bottom: 17px;
    font-size: 15px;
}

.footer-links {
    display: grid;
    gap: 10px;
    list-style: none;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 58px;
    padding: 24px 0;
    border-top: 1px solid var(--surface-border);
    color: var(--text-muted);
    font-size: 13px;
}

.whatsapp-button {
    position: fixed;
    right: 21px;
    bottom: 21px;
    z-index: 900;
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-height: 48px;
    padding: 0 17px;
    border: 1px solid rgba(38, 243, 154, 0.35);
    border-radius: 999px;
    background: #0dcf78;
    color: #02140c;
    font-size: 13px;
    text-decoration: none;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.35);
}

.whatsapp-button span {
    font-size: 10px;
    font-weight: 900;
}

[data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity 0.65s ease,
        transform 0.65s ease;
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }

    [data-reveal] {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 1100px) {
    .main-navigation {
        gap: 15px;
    }

    .main-navigation a {
        font-size: 13px;
    }

    .nav-actions .button-ghost {
        display: none;
    }

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

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

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

@media (max-width: 900px) {
    .menu-toggle {
        display: block;
    }

    .main-navigation {
        position: absolute;
        top: calc(100% + 1px);
        right: 20px;
        left: 20px;
        display: none;
        margin-left: 0;
        padding: 18px;
        border: 1px solid var(--surface-border);
        border-radius: 16px;
        background: rgba(8, 19, 33, 0.98);
        box-shadow: var(--shadow);
    }

    .main-navigation.is-open {
        display: grid;
    }

    .main-navigation a {
        padding: 10px;
    }

    .main-navigation a::after {
        display: none;
    }

    .nav-actions {
        display: none;
    }

    .hero {
        min-height: auto;
        padding-top: 75px;
    }

    .hero-grid,
    .split-layout {
        grid-template-columns: 1fr;
    }

    .hero-grid {
        gap: 45px;
    }

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

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

@media (max-width: 650px) {
    .container {
        width: min(calc(100% - 28px), var(--container));
    }

    .site-header .brand-text small {
        display: none;
    }

    .hero {
        padding: 65px 0 75px;
    }

    .hero h1 {
        font-size: 45px;
    }

    .hero-actions,
    .cta-actions {
        display: grid;
    }

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

    .hero-trust {
        display: grid;
        gap: 10px;
    }

    .section {
        padding: 75px 0;
    }

    .stats-grid,
    .feature-grid,
    .course-grid,
    .service-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .course-actions {
        grid-template-columns: 1fr;
    }

    .trainer-card {
        grid-template-columns: 1fr;
    }

    .trainer-avatar {
        width: 95px;
        height: 95px;
        border-radius: 22px;
    }

    .cta-box {
        padding: 34px 24px;
    }

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

    .whatsapp-button strong {
        display: none;
    }

    .whatsapp-button {
        width: 50px;
        padding: 0;
        justify-content: center;
    }
}