/* ===========================
   BASE & RESET
=========================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-primary: #0a0b14;
    --bg-surface: #10121f;
    --bg-card: #141728;
    --bg-card-hover: #181c31;
    --bg-modal: #13162a;
    --border: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.14);
    --text-primary: #f0f2ff;
    --text-secondary: #8b90b8;
    --text-muted: #555975;
    --accent-blue: #6366f1;
    --accent-purple: #a855f7;
    --gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --radius-card: 20px;
    --radius-modal: 24px;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.6);
    --shadow-modal: 0 32px 80px rgba(0, 0, 0, 0.7);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    position: relative;
}

/* ===========================
   BACKGROUND ORBS
=========================== */
.bg-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.18;
}

.bg-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #6366f1, transparent 70%);
    top: -200px;
    left: -200px;
}

.bg-orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #a855f7, transparent 70%);
    top: 30%;
    right: -180px;
}

.bg-orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #14b8a6, transparent 70%);
    bottom: -150px;
    left: 30%;
}

/* ===========================
   WRAPPER
=========================== */
.wrapper {
    position: relative;
    z-index: 1;
    max-width: 960px;
    margin: 0 auto;
    padding: 48px 24px 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 48px;
}

/* ===========================
   HEADER
=========================== */
.header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    animation: fadeDown 0.6s ease both;
}

.logo-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.35);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-blue);
}

.logo-icon {
    width: 18px;
    height: 18px;
    color: var(--accent-blue);
    flex-shrink: 0;
}

.header-tagline {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.18em;
}

/* ===========================
   HERO
=========================== */
.hero {
    text-align: center;
    max-width: 640px;
    animation: fadeDown 0.7s 0.1s ease both;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    font-weight: 400;
    line-height: 1.75;
}

/* ===========================
   CARDS GRID
=========================== */
.cards-grid {
    width: 100%;
    min-width: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    animation: fadeUp 0.7s 0.2s ease both;
}

/* ===========================
   CARD (button reset)
=========================== */
.card {
    all: unset;
    display: flex;
    align-items: flex-start;
    gap: 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 26px 22px;
    cursor: pointer;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    text-align: left;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(var(--accent), 0.07) 0%,
            transparent 55%);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
    pointer-events: none;
}

.card:hover,
.card:focus-visible {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    outline: none;
}

.card:hover::before,
.card:focus-visible::before {
    opacity: 1;
}

/* Icon wrap */
.card-icon-wrap {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(var(--accent), 0.12);
    border: 1px solid rgba(var(--accent), 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    margin-top: 2px;
}

.card:hover .card-icon-wrap,
.card:focus-visible .card-icon-wrap {
    background: rgba(var(--accent), 0.2);
    border-color: rgba(var(--accent), 0.45);
    transform: scale(1.06);
}

.card-icon {
    width: 22px;
    height: 22px;
    color: rgb(var(--accent));
}

/* Card content */
.card-content {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
    letter-spacing: -0.01em;
    line-height: 1.3;
    overflow-wrap: break-word;
    word-break: break-word;
}

.card-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    font-weight: 400;
    margin-bottom: 12px;
}

/* Pills */
.card-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.pill {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.03em;
}

/* CTA hint */
.card-cta {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 500;
    margin-top: 2px;
    transition: var(--transition);
}

.card-cta svg {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    transition: var(--transition);
}

.card:hover .card-cta,
.card:focus-visible .card-cta {
    color: var(--text-secondary);
}

.card:hover .card-cta svg,
.card:focus-visible .card-cta svg {
    transform: translateX(3px);
    color: var(--text-secondary);
}

/* ===========================
   FOOTER
=========================== */
.footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.78rem;
    animation: fadeUp 0.7s 0.3s ease both;
}

/* ===========================
   MODAL OVERLAY
=========================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(5, 6, 14, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;

    /* Hidden state */
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.is-open {
    opacity: 1;
    pointer-events: auto;
}

/* ===========================
   MODAL BOX
=========================== */
.modal {
    background: var(--bg-modal);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-modal);
    box-shadow: var(--shadow-modal);
    width: 100%;
    max-width: 520px;
    padding: 32px 32px 28px;
    position: relative;

    /* Entrance animation */
    transform: translateY(24px) scale(0.97);
    transition: transform 0.35s cubic-bezier(0.34, 1.3, 0.64, 1), opacity 0.3s ease;
    opacity: 0;
}

.modal-overlay.is-open .modal {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* Modal Header */
.modal-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 8px;
}

.modal-icon-wrap {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 13px;
    background: rgba(var(--accent), 0.14);
    border: 1px solid rgba(var(--accent), 0.28);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.modal-icon {
    width: 22px;
    height: 22px;
    color: rgb(var(--accent));
}

.modal-category {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 3px;
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    line-height: 1.3;
}

/* Close button */
.modal-close {
    all: unset;
    cursor: pointer;
    margin-left: auto;
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-muted);
    transition: var(--transition);
}

.modal-close:hover,
.modal-close:focus-visible {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    outline: none;
}

.modal-close svg {
    width: 16px;
    height: 16px;
}

/* Modal subtitle */
.modal-subtitle {
    font-size: 0.83rem;
    color: var(--text-muted);
    margin-bottom: 22px;
    padding-left: 64px;
}

/* Modal links list */
.modal-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.modal-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    text-decoration: none;
    color: var(--text-primary);
    font-size: 0.92rem;
    font-weight: 500;
    transition: var(--transition);
}

.modal-link:hover,
.modal-link:focus-visible {
    background: rgba(var(--accent), 0.08);
    border-color: rgba(var(--accent), 0.3);
    color: rgb(var(--accent));
    transform: translateX(4px);
    outline: none;
}

.modal-link-num {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.06em;
    font-variant-numeric: tabular-nums;
    min-width: 20px;
    transition: color 0.2s ease;
}

.modal-link:hover .modal-link-num,
.modal-link:focus-visible .modal-link-num {
    color: rgb(var(--accent));
}

.modal-link-text {
    flex: 1;
}

.modal-link-arrow {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    flex-shrink: 0;
    opacity: 0;
    transform: translateX(-4px);
    transition: var(--transition);
}

.modal-link:hover .modal-link-arrow,
.modal-link:focus-visible .modal-link-arrow {
    opacity: 1;
    transform: translateX(0);
    color: rgb(var(--accent));
}

/* ===========================
   ANIMATIONS
=========================== */
@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 640px) {
    .wrapper {
        padding: 36px 16px 60px;
        gap: 36px;
    }

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

    .card {
        padding: 20px 18px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .logo-badge {
        font-size: 0.8rem;
        padding: 7px 16px;
    }

    .modal {
        padding: 24px 20px 22px;
    }

    .modal-subtitle {
        padding-left: 0;
    }
}

/* ===========================
   HTMX LOADING STATES
=========================== */
.htmx-request {
    pointer-events: none !important;
    cursor: wait !important;
}

/* Global button spinner */
button.htmx-request,
.btn.htmx-request,
.auth-btn.htmx-request,
.card.htmx-request {
    position: relative !important;
    color: transparent !important;
    text-shadow: none !important;
}

button.htmx-request .material-icons,
.btn.htmx-request .material-icons,
.card.htmx-request .card-icon-wrap,
.card.htmx-request .card-cta {
    opacity: 0 !important;
}

button.htmx-request::after,
.btn.htmx-request::after,
.auth-btn.htmx-request::after,
.card.htmx-request::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-top: -10px;
    margin-left: -10px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: htmx-spinner 0.6s linear infinite;
    z-index: 10;
}

@keyframes htmx-spinner {
    to {
        transform: rotate(360deg);
    }
}