/* =========================================
   HYSTERIA'S CURE
   Complete Main Stylesheet
========================================= */


/* =========================================
   1. DESIGN SYSTEM
========================================= */

:root {
    --bg-primary: #0e0e16;
    --bg-secondary: #151521;
    --bg-card: #1b1b2a;

    --text-primary: #f4f2ff;
    --text-secondary: #aaa9c0;

    --accent: #a78bfa;
    --accent-bright: #c4b5fd;
    --accent-dark: #7c3aed;

    --border: rgba(255, 255, 255, 0.09);

    --radius-small: 10px;
    --radius-medium: 16px;
    --radius-large: 24px;

    --container-width: 1180px;
}


/* =========================================
   2. RESET AND BASE STYLES
========================================= */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    min-height: 100vh;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

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

::selection {
    background: var(--accent);
    color: var(--bg-primary);
}


/* =========================================
   3. SHARED LAYOUT
========================================= */

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

.eyebrow {
    margin-bottom: 12px;
    color: var(--accent-bright);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.section-heading {
    max-width: 680px;
    margin: 0 auto 48px;
    text-align: center;
}

.section-heading h2,
.about-content h2,
.get-started h2 {
    margin-bottom: 20px;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
    letter-spacing: -0.04em;
}

.section-heading > p:last-child,
.about-content > p:last-child {
    color: var(--text-secondary);
}


/* =========================================
   4. BUTTONS
========================================= */

.button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;

    min-height: 46px;
    padding: 12px 20px;

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

    font-size: 0.9rem;
    font-weight: 700;
    text-align: center;

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

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

.button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent-bright);
    outline-offset: 4px;
}

.button-primary {
    background: var(--accent);
    color: #171322;
}

.button-primary:hover {
    background: var(--accent-bright);
}

.button-secondary {
    background: transparent;
    border-color: var(--border);
    color: var(--text-primary);
}

.button-secondary:hover {
    background: rgba(255, 255, 255, 0.06);
}


/* =========================================
   5. HEADER AND NAVIGATION
========================================= */

.site-header {
    position: relative;
    z-index: 10;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;

    width: 100%;
    min-height: 78px;

    padding: 16px max(
        20px,
        calc((100% - var(--container-width)) / 2)
    );

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

.brand-name,
.footer-brand {
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.main-navigation,
.header-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.main-navigation a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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


/* =========================================
   6. HERO SECTION
========================================= */

.hero {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 60px;

    width: min(100% - 40px, var(--container-width));
    min-height: 570px;

    margin-inline: auto;
    padding-block: 90px;
}

.hero h1 {
    max-width: 700px;

    font-size: clamp(2.7rem, 6vw, 4.8rem);
    line-height: 1.08;
    letter-spacing: -0.055em;
}

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

.hero-description {
    max-width: 570px;
    margin-top: 24px;

    color: var(--text-secondary);
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.hero-note {
    margin-top: 22px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}


/* Hero Visual */

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;

    min-height: 300px;
}

.visual-card {
    width: 100%;
    max-width: 360px;

    padding: 38px 28px;

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

    background:
        radial-gradient(
            circle at top right,
            #342451 0,
            transparent 60%
        ),
        var(--bg-card);

    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.25);

    text-align: center;
}

.visual-label {
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.visual-symbol {
    margin: 28px 0;
    color: var(--accent-bright);
    font-size: 5rem;
}

.visual-card h2 {
    font-size: 1.8rem;
}

.visual-card p {
    margin-top: 8px;
    color: var(--text-secondary);
}


/* =========================================
   7. FEATURES SECTION
========================================= */

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.feature-card {
    padding: 28px;

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

    background: var(--bg-secondary);

    transition:
        border-color 0.2s ease,
        transform 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
}

.feature-number {
    color: var(--accent-bright);
    font-size: 0.8rem;
    font-weight: 700;
}

.feature-card h3 {
    margin-top: 18px;
    font-size: 1.25rem;
}

.feature-card p {
    margin-top: 10px;
    color: var(--text-secondary);
}


/* =========================================
   8. FIVE LEARNING LEVELS
========================================= */

.level-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
}

.level-card {
    min-width: 0;
    padding: 22px 16px;

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

    background: var(--bg-secondary);

    transition:
        border-color 0.2s ease,
        background 0.2s ease;
}

.level-card:hover {
    border-color: var(--accent);
    background: var(--bg-card);
}

.level-number {
    color: var(--accent-bright);
    font-size: 0.8rem;
    font-weight: 700;
}

.level-card h3 {
    margin-top: 18px;
    font-size: 1.05rem;
    overflow-wrap: anywhere;
}

.level-card p {
    margin-top: 8px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.levels-note {
    margin-top: 28px;

    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
}


/* =========================================
   9. ABOUT SECTION
========================================= */

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

.about-content {
    max-width: 760px;
    margin-inline: auto;
    text-align: center;
}

.about-content > p:last-child {
    max-width: 680px;
    margin-inline: auto;
}


/* =========================================
   10. GET STARTED SECTION
========================================= */

.get-started {
    text-align: center;
}

.get-started > p:not(.eyebrow) {
    max-width: 580px;
    margin: 0 auto 24px;
    color: var(--text-secondary);
}

.get-started .account-note {
    margin-top: 18px;
    margin-bottom: 0;
    font-size: 0.85rem;
}


/* =========================================
   11. FOOTER
========================================= */

.site-footer {
    padding: 38px 20px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.site-footer > p {
    margin-top: 10px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.site-footer .copyright {
    margin-top: 24px;
    font-size: 0.8rem;
}


/* =========================================
   12. TABLET RESPONSIVENESS
========================================= */

@media (max-width: 900px) {

    .site-header {
        flex-wrap: wrap;
    }

    .main-navigation {
        order: 3;

        justify-content: center;
        width: 100%;

        padding-top: 10px;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 40px;

        padding-block: 70px;
        text-align: center;
    }

    .hero-content {
        width: 100%;
    }

    .hero-description {
        margin-inline: auto;
    }

    .hero-actions {
        justify-content: center;
    }

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


/* =========================================
   13. MOBILE RESPONSIVENESS
========================================= */

@media (max-width: 560px) {

    .section {
        padding-block: 65px;
    }

    .site-header {
        gap: 16px;
        padding-inline: 20px;
    }

    .brand-name {
        font-size: 0.8rem;
    }

    .header-actions {
        gap: 8px;
    }

    .header-actions .button {
        padding: 10px 12px;
        font-size: 0.8rem;
    }

    .main-navigation {
        gap: 18px;
    }

    .main-navigation a {
        font-size: 0.82rem;
    }

    .hero {
        padding-block: 55px;
    }

    .hero h1 {
        font-size: clamp(2.35rem, 10vw, 3.5rem);
    }

    .hero-description {
        font-size: 0.98rem;
    }

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

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

    .visual-card {
        padding: 32px 22px;
    }

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

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

    .section-heading {
        margin-bottom: 34px;
    }

    .section-heading h2,
    .about-content h2,
    .get-started h2 {
        font-size: 2rem;
    }
}


/* =========================================
   14. REDUCED MOTION ACCESSIBILITY
========================================= */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}