/* =========================================================
   PROJECT ARCHITECTURAL PLAN — LANDING PAGE
   File: wwwroot/css/landing.css
   ========================================================= */

/* 1. Theme */

:root {
    --page-bg: #111318;
    --card-bg: #181b22;
    --text-primary: #f4f5f7;
    --text-secondary: #a4a9b4;
    --text-muted: #777e8b;
    /* Subtle blood-red accent */
    --accent-red: #8B1E2D;
    --accent-red-hover: #A32638;
    --accent-red-soft: rgba(139, 30, 45, 0.12);
    --accent-red-border: rgba(139, 30, 45, 0.35);
    /* Keep green only for the status indicator */
    --accent-green: #79c99e;
    --border-color: rgba(255, 255, 255, 0.09);
    --card-radius: 20px;
    --transition: 220ms ease;
}


/* 2. Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    margin: 0;
    background: radial-gradient( ellipse at 50% 0%, rgba(91, 103, 119, 0.12), transparent 55% ), var(--page-bg);
    color: var(--text-primary);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: inherit;
}

/* 3. Main layout */
.landing-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 100vh;
    padding: 64px 24px 32px;
}

/* 4. Main card */
.access-card {
    width: 100%;
    max-width: 690px;
    padding: 52px 56px 38px;
    overflow: hidden;
    background: linear-gradient( 145deg, rgba(28, 31, 39, 0.98), rgba(21, 24, 31, 0.98) );
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.025);
    animation: card-appear 650ms ease both;
}

/* 5. Security icon */

.security-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    margin-bottom: 30px;
    color: #c65b68;
    background: var(--accent-red-soft);
    border: 1px solid var(--accent-red-border);
    border-radius: 15px;
}

    .security-icon svg {
        display: block;
        width: 27px;
        height: 27px;
    }


/* 6. Portal status */
.access-label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 34px;
    color: #c4c9d2;
    font-size: 11px;
    font-weight: 650;
    letter-spacing: 1.8px;
    line-height: 1.5;
}

.status-dot {
    position: relative;
    flex: 0 0 7px;
    width: 7px;
    height: 7px;
    background: var(--accent-green);
    border-radius: 50%;
}

    .status-dot::after {
        position: absolute;
        inset: -4px;
        border: 1px solid rgba(121, 201, 158, 0.45);
        border-radius: 50%;
        content: "";
        animation: status-pulse 2.2s ease-out infinite;
    }

/* 7. Project identification */
.project-label {
    margin: 0 0 15px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    line-height: 1.6;
}

/* 8. Main heading */
.access-card h1 {
    max-width: 570px;
    margin: 0;
    color: var(--text-primary);
    font-size: clamp(30px, 4.5vw, 43px);
    font-weight: 650;
    letter-spacing: -1.8px;
    line-height: 1.16;
    overflow-wrap: break-word;
}


.title-period {
    color: #b43a4b;
}

.title-divider {
    width: 46px;
    height: 3px;
    margin: 27px 0 25px;
    background: var(--accent-red);
    border-radius: 10px;
}


/* 10. Welcome description */
.access-description {
    max-width: 540px;
}

    .access-description p {
        margin: 0 0 17px;
        color: var(--text-secondary);
        font-size: 15px;
        font-weight: 400;
        line-height: 1.9;
    }

        .access-description p:last-child {
            margin-bottom: 0;
        }

/* 11. Secure access button */
.visit-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 13px;
    width: 100%;
    min-height: 58px;
    margin-top: 34px;
    padding: 16px 20px;
    color: #171a1f;
    background: #f1f3f0;
    border: 1px solid #f1f3f0;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 650;
    line-height: 1.4;
    text-align: center;
    text-decoration: none;
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

    .visit-button span {
        flex: 1;
    }

.button-lock,
.button-arrow {
    display: block;
    flex: 0 0 20px;
    width: 20px;
    height: 20px;
}

.button-arrow {
    transition: transform var(--transition);
}


.visit-button:hover {
    background: #ffffff;
    border-color: #ffffff;
    box-shadow: 0 8px 24px rgba(139, 30, 45, 0.18);
    transform: translateY(-2px);
}

    .visit-button:hover .button-arrow {
        transform: translate(2px, -2px);
    }


.visit-button:active {
    transform: translateY(0);
}

.visit-button:focus-visible {
    outline: 3px solid var(--accent-green);
    outline-offset: 4px;
}

/* 12. Confidentiality note */
.confidentiality-note {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    margin-top: 28px;
    padding-top: 23px;
    border-top: 1px solid var(--border-color);
}

    .confidentiality-note svg {
        flex: 0 0 18px;
        width: 18px;
        height: 18px;
        margin-top: 2px;
        color: var(--text-muted);
    }

    .confidentiality-note p {
        margin: 0;
        color: var(--text-muted);
        font-size: 12px;
        line-height: 1.8;
    }

/* 13. Footer */
.landing-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
    color: #737987;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1.4px;
    line-height: 1.7;
    text-align: center;
}


.footer-separator {
    color: #b43a4b;
}


/* 14. Entrance and status animations */
@keyframes card-appear {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

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

@keyframes status-pulse {
    0% {
        opacity: 0.8;
        transform: scale(0.8);
    }

    100% {
        opacity: 0;
        transform: scale(1.8);
    }
}

/* 15. Tablet */
@media (max-width: 768px) {
    .landing-container {
        padding: 48px 22px 28px;
    }

    .access-card {
        max-width: 620px;
        padding: 42px 38px 32px;
    }

    .security-icon {
        margin-bottom: 26px;
    }

    .access-label {
        margin-bottom: 28px;
    }

    .access-card h1 {
        letter-spacing: -1.2px;
    }
}

/* 16. Mobile */
@media (max-width: 480px) {
    .landing-container {
        justify-content: center;
        padding: 30px 16px 24px;
    }

    .access-card {
        padding: 32px 23px 26px;
        border-radius: 16px;
    }

    .security-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 24px;
        border-radius: 13px;
    }

        .security-icon svg {
            width: 24px;
            height: 24px;
        }

    .access-label {
        gap: 9px;
        margin-bottom: 27px;
        font-size: 10px;
        letter-spacing: 1.4px;
    }

    .project-label {
        margin-bottom: 13px;
        font-size: 10px;
        letter-spacing: 1.2px;
    }

    .access-card h1 {
        font-size: clamp(29px, 8vw, 36px);
        letter-spacing: -1.1px;
        line-height: 1.2;
    }

    .title-divider {
        margin: 23px 0 21px;
    }

    .access-description p {
        font-size: 14px;
        line-height: 1.85;
    }

    .visit-button {
        gap: 10px;
        min-height: 55px;
        margin-top: 28px;
        padding: 14px 12px;
        font-size: 13px;
    }

    .button-lock,
    .button-arrow {
        flex-basis: 18px;
        width: 18px;
        height: 18px;
    }

    .confidentiality-note {
        gap: 9px;
        margin-top: 24px;
        padding-top: 19px;
    }

        .confidentiality-note p {
            font-size: 11px;
        }

    .landing-footer {
        gap: 9px;
        margin-top: 24px;
        font-size: 9px;
        letter-spacing: 1px;
    }
}


/* SVG icon accents */
.security-icon svg,
.button-lock,
.button-arrow {
    color: #b43a4b;
}

.confidentiality-note svg {
    color: #b43a4b;
}


/* 17. Short screens and landscape phones */
@media (max-height: 650px) and (min-width: 481px) {
    .landing-container {
        justify-content: flex-start;
        padding-top: 24px;
        padding-bottom: 24px;
    }

    .access-card {
        padding-top: 30px;
        padding-bottom: 26px;
    }

    .security-icon {
        margin-bottom: 20px;
    }

    .access-label {
        margin-bottom: 20px;
    }

    .landing-footer {
        margin-top: 20px;
    }
}

/* 18. Reduced motion accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}