/* =====================================================================
 * security.css — public /security page
 * ---------------------------------------------------------------------
 * Hero · 4 principle cards · 2 detail lists · disclosure card · CTA.
 *
 * DESIGN.md §8.2 long-form archetype, identical token grammar to
 * /pricing and /contact:
 *   - Page-scoped section + ease tokens
 *   - §3.4 eyebrow (13px · 500 · 0.16em · muted)
 *   - §3.3 ramp (800/700 display, 600 H3, 400/1.65 body)
 *   - §7.4 unified button pill (primary dark fill · secondary outline)
 *   - §7.7 cards on --global-card-background w/ 4-quadrant hover bloom
 *   - §6.5 the ONE iridescent moment = the disclosure card border
 *     (mask trick identical to .pricing-card.is-recommended)
 *   - §7.9 hairlines rgba(text, 0.06) for inter-row dividers
 *   - Korean wrapping (§0 principle 3) on every long-form container
 *   - Single 640px chrome breakpoint (§4.7)
 *   - prefers-reduced-motion override (§5.7)
 * ===================================================================== */

.security-page {
    --security-section-pad-y: clamp(72px, 12vh, 140px);
    --security-section-pad-x: clamp(20px, 5vw, 80px);
    --security-content-max:    1080px;
    --security-content-narrow:  860px;
    --security-card-radius:    20px;
    --security-gap:            clamp(20px, 2.4vw, 28px);
    --security-ease:           cubic-bezier(0.22, 0.61, 0.36, 1);
    --security-ease-spring:    cubic-bezier(0.16, 1,    0.3,  1);

    display: block;
    width: 100%;
    color: var(--global-text-color);
    font-family: 'Pretendard Variable', Pretendard, -apple-system,
                 BlinkMacSystemFont, system-ui, sans-serif;
    word-break: keep-all;
    overflow-wrap: anywhere;
    box-sizing: border-box;
    padding: 0 var(--security-section-pad-x) clamp(96px, 14vh, 180px);
}

/* ====================================================================
 * 01 · HERO
 * ==================================================================== */

.security-hero {
    max-width: var(--security-content-max);
    margin: 0 auto;
    padding: var(--security-section-pad-y) 0 clamp(40px, 6vh, 64px);
    text-align: center;
}

.security-hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(14px, 2vh, 22px);
    max-width: var(--security-content-narrow);
    margin: 0 auto;
}

.security-hero-eyebrow {
    margin: 0;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--global-text-muted);
}

/* Orphan-word guard — balance short display/lead text so the final word
   never wraps onto a line by itself. Progressive enhancement: ignored
   where unsupported, and never alters box dimensions. */
.security-hero-title,
.security-hero-subtitle,
.security-section-title,
.security-section-subtitle,
.security-cta-title,
.security-cta-subtitle {
    text-wrap: balance;
}

.security-hero-title {
    margin: 0;
    font-family: inherit;
    font-size: clamp(34px, 5.6vw, 64px);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.04em;
    color: var(--global-text-color);
    max-width: 20ch;
}

.security-hero-subtitle {
    margin: 0;
    max-width: 640px;
    font-family: inherit;
    font-size: clamp(16px, 1.4vw, 19px);
    font-weight: 400;
    line-height: 1.65;
    letter-spacing: -0.005em;
    color: var(--global-text-muted);
}

/* ====================================================================
 * Shared atoms — section heads
 * ==================================================================== */

.security-section-head {
    max-width: var(--security-content-narrow);
    margin: 0 auto clamp(28px, 4vh, 44px);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.security-section-eyebrow {
    margin: 0;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--global-text-muted);
}

.security-section-title {
    margin: 0;
    font-family: inherit;
    font-size: clamp(26px, 3.4vw, 40px);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.03em;
    color: var(--global-text-color);
    max-width: 24ch;
}

.security-section-subtitle {
    margin: 0;
    max-width: 560px;
    font-family: inherit;
    font-size: clamp(15px, 1.4vw, 17px);
    font-weight: 400;
    line-height: 1.65;
    letter-spacing: -0.005em;
    color: var(--global-text-muted);
}

/* ====================================================================
 * 02 · PRINCIPLES (4 cards)
 * ==================================================================== */

.security-principles-section {
    max-width: var(--security-content-max);
    margin: 0 auto;
    padding: clamp(48px, 8vh, 96px) 0;
}

.security-principles {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--security-gap);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.security-principle-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: clamp(24px, 2.6vw, 32px);
    background: var(--global-card-background);
    border: 1px solid var(--global-border-color);
    border-radius: var(--security-card-radius);
    transition:
        transform   0.3s var(--security-ease-spring),
        box-shadow  0.3s var(--security-ease),
        border-color 0.18s var(--security-ease);
    isolation: isolate;
}

.security-principle-card:hover {
    transform: translateY(-2px);
    border-color: rgba(var(--global-text-color-rgb), 0.04);
    /* §6.3 4-quadrant ambient bloom — half-strength because there are
       four of these per row. */
    box-shadow:
        -18px -12px 44px -10px rgba(var(--brand-iris-rgb),     0.14),
         18px -12px 44px -10px rgba(var(--brand-mulberry-rgb), 0.12),
         18px  18px 48px -10px rgba(var(--brand-brass-rgb),    0.10),
        -18px  18px 48px -10px rgba(var(--brand-lichen-rgb),   0.14),
          0   22px 44px -22px rgba(var(--global-text-color-rgb), 0.10);
}

.security-principle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    /* Stroke color flows through `currentColor` in the inline SVG. */
    color: var(--global-text-color);
    background: var(--state-hover-bg);
    border: 1px solid rgba(var(--global-text-color-rgb), 0.06);
    border-radius: 12px;
}

.security-principle-icon svg {
    display: block;
}

.security-principle-name {
    margin: 0;
    font-family: inherit;
    font-size: clamp(16px, 1.6vw, 18px);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.018em;
    color: var(--global-text-color);
}

.security-principle-desc {
    margin: 0;
    font-family: inherit;
    font-size: 13.5px;
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: -0.005em;
    color: var(--global-text-muted);
}

/* ====================================================================
 * 03 / 04 · DETAIL LISTS (data protection, account security)
 * ==================================================================== */

.security-detail-section {
    max-width: var(--security-content-narrow);
    margin: 0 auto;
    padding: clamp(48px, 8vh, 96px) 0;
}

.security-detail-list {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    background: var(--global-card-background);
    border: 1px solid var(--global-border-color);
    border-radius: var(--security-card-radius);
    overflow: hidden;
}

.security-detail-row {
    display: grid;
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    gap: clamp(16px, 3vw, 36px);
    padding: clamp(18px, 2.4vw, 26px) clamp(22px, 3vw, 32px);
    border-top: 1px solid rgba(var(--global-text-color-rgb), 0.06);
}

.security-detail-row:first-child {
    border-top: none;
}

.security-detail-term {
    margin: 0;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: -0.005em;
    color: var(--global-text-color);
}

.security-detail-desc {
    margin: 0;
    font-family: inherit;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.65;
    letter-spacing: -0.005em;
    color: var(--global-text-muted);
}

@media (max-width: 640px) {
    .security-detail-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }
}

/* ====================================================================
 * 05 · DISCLOSURE — the ONE iridescent moment (§6.5)
 * ==================================================================== */

.security-disclosure-section {
    max-width: var(--security-content-narrow);
    margin: 0 auto;
    padding: clamp(48px, 8vh, 96px) 0;
}

.security-disclosure-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: clamp(32px, 5vw, 56px);
    /* Iridescent 1px border via padding-box / border-box mask —
       same recipe as .pricing-card.is-recommended. */
    background:
        linear-gradient(var(--global-card-background), var(--global-card-background)) padding-box,
        var(--brand-iridescent-gradient) border-box;
    border: 1px solid transparent;
    border-radius: var(--security-card-radius);
    /* Soft 4-quadrant ambient on idle (it's a hero element, no hover
       needed to draw the eye). */
    box-shadow:
        -22px -14px 50px -16px rgba(var(--brand-iris-rgb),     0.12),
         22px -14px 50px -16px rgba(var(--brand-mulberry-rgb), 0.10),
         22px  22px 56px -16px rgba(var(--brand-brass-rgb),    0.08),
        -22px  22px 56px -16px rgba(var(--brand-lichen-rgb),   0.12),
          0   22px 48px -24px rgba(var(--global-text-color-rgb), 0.10);
}

.security-disclosure-lede {
    margin: 0;
    font-family: inherit;
    font-size: clamp(15px, 1.4vw, 17px);
    font-weight: 400;
    line-height: 1.65;
    letter-spacing: -0.005em;
    color: var(--global-text-color);
}

.security-disclosure-steps {
    list-style: none;
    margin: 8px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.security-disclosure-steps li {
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}

.security-disclosure-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    color: var(--global-button-text-color);
    background: var(--global-button-background-color);
    border-radius: 50%;
}

.security-disclosure-step-title {
    margin: 0 0 4px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.005em;
    color: var(--global-text-color);
}

.security-disclosure-step-desc {
    margin: 0;
    font-family: inherit;
    font-size: 13.5px;
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: -0.005em;
    color: var(--global-text-muted);
}

.security-disclosure-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 4px;
    align-items: center;
}

.security-disclosure-note {
    margin: 4px 0 0;
    font-family: inherit;
    font-size: 12.5px;
    font-weight: 400;
    line-height: 1.55;
    letter-spacing: -0.005em;
    color: var(--global-text-muted);
}

/* ====================================================================
 * 06 · CLOSING CTA
 * ==================================================================== */

.security-cta-section {
    max-width: var(--security-content-max);
    margin: 0 auto;
    padding: clamp(48px, 8vh, 96px) 0 clamp(16px, 3vh, 32px);
}

.security-cta-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(16px, 2.4vh, 24px);
    max-width: var(--security-content-narrow);
    margin: 0 auto;
    padding: clamp(40px, 6vh, 72px) clamp(24px, 4vw, 56px);
    text-align: center;
    background: var(--global-card-background);
    border: 1px solid var(--global-border-color);
    border-radius: var(--security-card-radius);
    box-shadow:
        0 28px 56px -20px rgba(var(--brand-iris-rgb), 0.14),
        0 16px 40px -16px rgba(var(--global-text-color-rgb), 0.10);
}

.security-cta-title {
    margin: 0;
    font-family: inherit;
    font-size: clamp(24px, 3.2vw, 38px);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.03em;
    color: var(--global-text-color);
    max-width: 22ch;
}

.security-cta-subtitle {
    margin: 0;
    max-width: 540px;
    font-family: inherit;
    font-size: clamp(15px, 1.4vw, 17px);
    font-weight: 400;
    line-height: 1.65;
    letter-spacing: -0.005em;
    color: var(--global-text-muted);
}

.security-cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 8px;
}

/* ====================================================================
 * Unified buttons — §7.4 (primary dark pill · outline secondary)
 * ==================================================================== */

.security-cta-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 26px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.005em;
    color: var(--global-button-text-color);
    background: var(--global-button-background-color);
    border: 1px solid var(--global-button-background-color);
    border-radius: 999px;
    text-decoration: none;
    cursor: pointer;
    transition:
        opacity   0.18s var(--security-ease),
        transform 0.18s var(--security-ease);
}

.security-cta-primary:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.security-cta-primary:focus-visible {
    outline: 2px solid var(--focus-outline-color);
    outline-offset: 2px;
}

.security-cta-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 24px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.005em;
    color: var(--global-text-color);
    background: transparent;
    border: 1px solid rgba(var(--global-text-color-rgb), 0.16);
    border-radius: 999px;
    text-decoration: none;
    cursor: pointer;
    transition:
        background   0.18s var(--security-ease),
        border-color 0.18s var(--security-ease);
}

.security-cta-secondary:hover {
    background: var(--state-hover-bg);
    border-color: rgba(var(--global-text-color-rgb), 0.32);
}

.security-cta-secondary:focus-visible {
    outline: 2px solid var(--focus-outline-color);
    outline-offset: 2px;
}

/* ====================================================================
 * Responsive — DESIGN.md §4.7 single 640px breakpoint
 * ==================================================================== */

@media (max-width: 640px) {
    .security-page {
        padding: 0 20px clamp(64px, 12vh, 120px);
    }
    .security-hero {
        padding-top: clamp(56px, 10vh, 96px);
    }
    .security-principles {
        grid-template-columns: 1fr;
    }
    .security-disclosure-actions,
    .security-cta-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .security-cta-primary,
    .security-cta-secondary {
        width: 100%;
    }
}

/* ====================================================================
 * Reduced motion — DESIGN.md §5.7 (REQUIRED)
 * ==================================================================== */

@media (prefers-reduced-motion: reduce) {
    .security-principle-card,
    .security-cta-primary,
    .security-cta-secondary {
        transition: none;
    }
    .security-principle-card:hover,
    .security-cta-primary:hover {
        transform: none;
    }
}