/* ===========================================================
   Kallviora — розкладка сторінок документів
   =========================================================== */

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

:root {
    --kv-base: #0b6fa4;
    --kv-deep: #064a70;
    --kv-mint: #34d399;
    --kv-mint-deep: #12996d;
    --kv-bg: #f2f9fd;
    --kv-panel: #ffffff;
    --kv-ink: #0f2733;
    --kv-mute: #5b7a8c;
    --kv-line: #d3e7f2;
    --kv-ui: "Verdana", "Geneva", "Segoe UI", Arial, sans-serif;
    --kv-title: "Candara", "Optima", "Segoe UI", "Verdana", sans-serif;
    --kv-r1: 10px;
    --kv-r2: 18px;
    --kv-r3: 26px;
    --kv-lift1: 0 6px 18px rgba(6, 74, 112, .07);
    --kv-lift2: 0 14px 34px rgba(6, 74, 112, .11);
    --kv-lift3: 0 24px 54px rgba(6, 74, 112, .15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--kv-ui);
    font-size: 16px;
    line-height: 1.75;
    color: var(--kv-ink);
    background:
        radial-gradient(circle at 88% -4%, rgba(52, 211, 153, .16), transparent 42%),
        radial-gradient(circle at 6% 2%, rgba(11, 111, 164, .12), transparent 38%),
        linear-gradient(180deg, #f7fcfe 0%, var(--kv-bg) 100%);
    background-attachment: fixed;
}

a {
    color: var(--kv-base);
    text-decoration: none;
    transition: color .2s ease;
}

a:hover {
    color: var(--kv-mint-deep);
}

/* ---------- Шапка ---------- */

.kv--header {
    position: relative;
    z-index: 30;
    padding: 20px;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--kv-line);
}

.kv--header-inner {
    max-width: 1180px;
    margin: 0 auto;
    text-align: center;
}

.kv--header-brand {
    display: inline-block;
    font-family: var(--kv-title);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: .30em;
    text-transform: uppercase;
    color: var(--kv-deep);
}

.kv--header-brand:hover {
    color: var(--kv-base);
}

/* ===========================================================
   СТОРІНКА 1 — «картка-документ» з липким прогрес-хедером
   =========================================================== */

.kv--doc-track {
    position: relative;
    z-index: 25;
    background: rgba(6, 74, 112, .97);
    color: #ffffff;
    box-shadow: var(--kv-lift1);
}

.kv--doc-track-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 12px 24px 14px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px 22px;
}

.kv--doc-track-label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--kv-mint);
}

.kv--doc-track-name {
    font-family: var(--kv-title);
    font-size: 17px;
    letter-spacing: .04em;
}

.kv--doc-track-bar {
    flex: 1 1 220px;
    height: 5px;
    min-width: 140px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .18);
    overflow: hidden;
}

.kv--doc-track-fill {
    display: block;
    height: 100%;
    width: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--kv-mint), #7ef0c4);
}

.kv--doc-head {
    max-width: 1180px;
    margin: 0 auto;
    padding: 62px 24px 34px;
}

.kv--doc-head-eyebrow {
    display: inline-block;
    padding: 6px 16px;
    margin-bottom: 18px;
    border-radius: 999px;
    border: 1px solid rgba(52, 211, 153, .45);
    background: rgba(52, 211, 153, .12);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .20em;
    text-transform: uppercase;
    color: var(--kv-mint-deep);
}

.kv--doc-head-title {
    font-family: var(--kv-title);
    font-size: clamp(30px, 5vw, 52px);
    line-height: 1.1;
    color: var(--kv-deep);
    margin-bottom: 16px;
}

.kv--doc-head-lead {
    max-width: 760px;
    font-size: 17px;
    color: var(--kv-mute);
}

.kv--doc-sheet {
    max-width: 1180px;
    margin: 0 auto 80px;
    padding: 0 24px;
}

.kv--doc-paper {
    background: var(--kv-panel);
    border: 1px solid var(--kv-line);
    border-radius: var(--kv-r3);
    box-shadow: var(--kv-lift2);
    padding: 46px 54px 52px;
}

.kv--doc-stamp {
    display: inline-block;
    padding: 8px 18px;
    margin-bottom: 30px;
    border-left: 4px solid var(--kv-mint);
    background: var(--kv-bg);
    border-radius: 0 var(--kv-r1) var(--kv-r1) 0;
    font-size: 14px;
    color: var(--kv-deep);
}

.kv--doc-part {
    position: relative;
    padding: 0 0 8px 92px;
    margin-bottom: 40px;
    border-bottom: 1px dashed var(--kv-line);
}

.kv--doc-part:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.kv--doc-part-num {
    position: absolute;
    left: 0;
    top: -10px;
    width: 68px;
    font-family: var(--kv-title);
    font-size: 60px;
    font-weight: 700;
    line-height: 1;
    text-align: right;
    color: var(--kv-mint);
}

.kv--doc-part-title {
    font-family: var(--kv-title);
    font-size: clamp(21px, 3vw, 29px);
    line-height: 1.2;
    color: var(--kv-deep);
    margin-bottom: 12px;
}

.kv--doc-part-text {
    color: var(--kv-mute);
    margin-bottom: 14px;
}

.kv--doc-part-text strong {
    color: var(--kv-ink);
}

.kv--doc-list {
    list-style: none;
    margin: 0 0 16px;
    color: var(--kv-mute);
}

.kv--doc-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 8px;
}

.kv--doc-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .70em;
    width: 9px;
    height: 9px;
    border-radius: 3px;
    background: var(--kv-mint);
    transform: rotate(45deg);
}

.kv--doc-list strong {
    color: var(--kv-ink);
}

.kv--doc-flag {
    margin: 22px 0;
    padding: 20px 24px;
    border-radius: var(--kv-r2);
    background: linear-gradient(135deg, rgba(52, 211, 153, .16), rgba(255, 255, 255, .95));
    border: 1px solid rgba(52, 211, 153, .38);
}

.kv--doc-flag p {
    color: var(--kv-ink);
}

.kv--doc-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0 24px;
    border-radius: var(--kv-r1);
    overflow: hidden;
    box-shadow: var(--kv-lift1);
}

.kv--doc-table th {
    padding: 13px 16px;
    text-align: left;
    font-size: 13px;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: #ffffff;
    background: linear-gradient(135deg, var(--kv-deep), var(--kv-base));
}

.kv--doc-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--kv-line);
    color: var(--kv-mute);
    background: var(--kv-panel);
    font-size: 15px;
}

.kv--doc-table tr:nth-child(even) td {
    background: var(--kv-bg);
}

.kv--doc-table tr:last-child td {
    border-bottom: none;
}

@media (max-width: 760px) {
    .kv--doc-paper {
        padding: 28px 20px 34px;
        border-radius: 20px;
    }
    .kv--doc-part {
        padding-left: 0;
        padding-top: 54px;
    }
    .kv--doc-part-num {
        top: 0;
        left: 0;
        width: auto;
        text-align: left;
        font-size: 46px;
    }
    .kv--doc-head {
        padding-top: 44px;
    }
    .kv--doc-track-name {
        font-size: 15px;
    }
}

/* ===========================================================
   СТОРІНКА 2 — двоколонкова сітка карток + широкий вступ
   =========================================================== */

.kv--rules {
    max-width: 1180px;
    margin: 0 auto;
    padding: 48px 24px 84px;
}

.kv--rules-intro {
    position: relative;
    overflow: hidden;
    padding: 44px 48px 46px;
    margin-bottom: 30px;
    border-radius: var(--kv-r3);
    background: linear-gradient(135deg, var(--kv-deep) 0%, var(--kv-base) 100%);
    color: #ffffff;
    box-shadow: var(--kv-lift3);
}

.kv--rules-intro::after {
    content: "";
    position: absolute;
    right: -70px;
    top: -70px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    border: 26px solid rgba(52, 211, 153, .22);
}

.kv--rules-intro-kicker {
    position: relative;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .24em;
    text-transform: uppercase;
    color: var(--kv-mint);
    margin-bottom: 14px;
}

.kv--rules-intro-title {
    position: relative;
    font-family: var(--kv-title);
    font-size: clamp(28px, 4.6vw, 48px);
    line-height: 1.1;
    margin-bottom: 16px;
}

.kv--rules-intro-text {
    position: relative;
    max-width: 720px;
    font-size: 16px;
    color: rgba(255, 255, 255, .86);
}

.kv--rules-intro-date {
    position: relative;
    display: inline-block;
    margin-top: 22px;
    padding: 7px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .28);
    font-size: 13px;
}

.kv--rules-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 24px;
}

.kv--rules-card {
    background: var(--kv-panel);
    border: 1px solid var(--kv-line);
    border-top: 3px solid var(--kv-base);
    border-radius: var(--kv-r2);
    padding: 28px 30px 26px;
    box-shadow: var(--kv-lift1);
    transition: box-shadow .2s ease, transform .2s ease;
}

.kv--rules-card:hover {
    box-shadow: var(--kv-lift2);
    transform: translateY(-2px);
}

.kv--rules-card-wide {
    grid-column: 1 / -1;
    border-top-color: var(--kv-mint);
}

.kv--rules-card-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-bottom: 14px;
    border-radius: 10px;
    background: var(--kv-bg);
    border: 1px solid var(--kv-line);
    font-size: 14px;
    font-weight: 700;
    color: var(--kv-base);
}

.kv--rules-card-title {
    font-family: var(--kv-title);
    font-size: 23px;
    line-height: 1.24;
    color: var(--kv-deep);
    margin-bottom: 10px;
}

.kv--rules-card-text {
    color: var(--kv-mute);
    font-size: 15px;
    margin-bottom: 12px;
}

.kv--rules-card-text:last-child {
    margin-bottom: 0;
}

.kv--rules-card-text strong {
    color: var(--kv-ink);
}

.kv--rules-card-list {
    list-style: none;
    color: var(--kv-mute);
    font-size: 15px;
}

.kv--rules-card-list li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 9px;
}

.kv--rules-card-list li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: .60em;
    width: 12px;
    height: 6px;
    border-left: 2px solid var(--kv-mint-deep);
    border-bottom: 2px solid var(--kv-mint-deep);
    transform: rotate(-45deg);
}

.kv--rules-card-list li:last-child {
    margin-bottom: 0;
}

.kv--rules-card-list strong {
    color: var(--kv-ink);
}

.kv--rules-steps {
    display: grid;
    gap: 12px;
    margin-top: 6px;
}

.kv--rules-steps-row {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 14px;
    align-items: start;
    padding: 14px 16px;
    border-radius: var(--kv-r1);
    background: var(--kv-bg);
    border: 1px solid var(--kv-line);
}

.kv--rules-steps-num {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-size: 17px;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(140deg, var(--kv-base), var(--kv-deep));
}

.kv--rules-steps-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--kv-ink);
    margin-bottom: 2px;
}

.kv--rules-steps-text {
    font-size: 14px;
    color: var(--kv-mute);
    line-height: 1.62;
}

.kv--rules-flag {
    grid-column: 1 / -1;
    padding: 24px 28px;
    border-radius: var(--kv-r2);
    background: linear-gradient(135deg, rgba(52, 211, 153, .18), rgba(255, 255, 255, .96));
    border: 1px solid rgba(52, 211, 153, .40);
    color: var(--kv-ink);
}

.kv--rules-flag strong {
    color: var(--kv-deep);
}

@media (max-width: 860px) {
    .kv--rules-grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .kv--rules-intro {
        padding: 30px 24px 32px;
        border-radius: 20px;
    }
    .kv--rules-card {
        padding: 24px 22px;
    }
}

/* ===========================================================
   СТОРІНКА 3 — «інструкція»: кроки в ряд, розділи, таблиця
   =========================================================== */

.kv--guide {
    max-width: 1180px;
    margin: 0 auto;
    padding: 54px 24px 84px;
}

.kv--guide-hero {
    text-align: center;
    margin-bottom: 42px;
}

.kv--guide-hero-kicker {
    display: inline-block;
    padding: 6px 18px;
    margin-bottom: 16px;
    border-radius: 999px;
    background: var(--kv-panel);
    border: 1px solid var(--kv-line);
    box-shadow: var(--kv-lift1);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--kv-base);
}

.kv--guide-hero-title {
    font-family: var(--kv-title);
    font-size: clamp(29px, 5vw, 50px);
    line-height: 1.1;
    color: var(--kv-deep);
    margin-bottom: 14px;
}

.kv--guide-hero-lead {
    max-width: 660px;
    margin: 0 auto;
    color: var(--kv-mute);
    font-size: 17px;
}

.kv--guide-steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 46px;
    counter-reset: kvstep;
}

.kv--guide-step {
    position: relative;
    text-align: center;
    padding: 30px 20px 26px;
    border-radius: var(--kv-r2);
    background: var(--kv-panel);
    border: 1px solid var(--kv-line);
    box-shadow: var(--kv-lift1);
}

.kv--guide-step::after {
    content: "";
    position: absolute;
    top: 56px;
    right: -14px;
    width: 10px;
    height: 10px;
    border-top: 2px solid var(--kv-mint);
    border-right: 2px solid var(--kv-mint);
    transform: rotate(45deg);
}

.kv--guide-step:last-child::after {
    display: none;
}

.kv--guide-step-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: linear-gradient(140deg, var(--kv-base), var(--kv-deep));
    box-shadow: 0 0 0 6px rgba(52, 211, 153, .18);
    counter-increment: kvstep;
}

.kv--guide-step-icon svg {
    width: 28px;
    height: 28px;
    fill: none;
    stroke: #ffffff;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.kv--guide-step-order {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--kv-mint-deep);
}

.kv--guide-step-title {
    font-family: var(--kv-title);
    font-size: 19px;
    color: var(--kv-deep);
    margin-bottom: 8px;
}

.kv--guide-step-text {
    font-size: 14px;
    line-height: 1.62;
    color: var(--kv-mute);
}

.kv--guide-body {
    display: grid;
    gap: 20px;
}

.kv--guide-block {
    padding: 30px 34px;
    border-radius: var(--kv-r2);
    background: var(--kv-panel);
    border: 1px solid var(--kv-line);
    border-left: 5px solid var(--kv-base);
    box-shadow: var(--kv-lift1);
}

.kv--guide-block-title {
    font-family: var(--kv-title);
    font-size: clamp(21px, 3vw, 27px);
    line-height: 1.22;
    color: var(--kv-deep);
    margin-bottom: 12px;
}

.kv--guide-block-text {
    color: var(--kv-mute);
    margin-bottom: 12px;
}

.kv--guide-block-text:last-child {
    margin-bottom: 0;
}

.kv--guide-block-text strong {
    color: var(--kv-ink);
}

.kv--guide-list {
    list-style: none;
    color: var(--kv-mute);
}

.kv--guide-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 9px;
}

.kv--guide-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .48em;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: rgba(52, 211, 153, .22);
    border: 1px solid var(--kv-mint);
}

.kv--guide-list li::after {
    content: "";
    position: absolute;
    left: 5px;
    top: .82em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--kv-mint-deep);
}

.kv--guide-list li:last-child {
    margin-bottom: 0;
}

.kv--guide-list strong {
    color: var(--kv-ink);
}

.kv--guide-alert {
    padding: 24px 28px;
    border-radius: var(--kv-r2);
    background: linear-gradient(135deg, rgba(11, 111, 164, .12), rgba(52, 211, 153, .14));
    border: 1px dashed var(--kv-base);
    color: var(--kv-ink);
}

.kv--guide-alert strong {
    color: var(--kv-deep);
}

.kv--guide-table-hold {
    overflow-x: auto;
    border-radius: var(--kv-r1);
}

.kv--guide-table {
    width: 100%;
    min-width: 460px;
    border-collapse: collapse;
    margin: 16px 0 4px;
    background: var(--kv-panel);
    border-radius: var(--kv-r1);
    overflow: hidden;
    box-shadow: var(--kv-lift1);
}

.kv--guide-table caption {
    caption-side: top;
    text-align: left;
    padding-bottom: 10px;
    font-size: 14px;
    color: var(--kv-mute);
}

.kv--guide-table th {
    padding: 13px 16px;
    text-align: left;
    font-size: 13px;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: #05323f;
    background: linear-gradient(135deg, var(--kv-mint), #8ef0cb);
}

.kv--guide-table td {
    padding: 12px 16px;
    font-size: 15px;
    color: var(--kv-mute);
    border-bottom: 1px solid var(--kv-line);
}

.kv--guide-table tr:nth-child(even) td {
    background: var(--kv-bg);
}

.kv--guide-table tr:last-child td {
    border-bottom: none;
}

@media (max-width: 980px) {
    .kv--guide-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .kv--guide-step:nth-child(2)::after {
        display: none;
    }
}

@media (max-width: 560px) {
    .kv--guide-steps {
        grid-template-columns: minmax(0, 1fr);
    }
    .kv--guide-step::after {
        display: none;
    }
    .kv--guide-block {
        padding: 24px 20px;
    }
}

/* ---------- Підвал ---------- */

.kv--footer {
    margin-top: 40px;
    padding: 26px 20px 22px;
    background: #ffffff;
    border-top: 3px solid var(--kv-mint);
    text-align: center;
}

.kv--footer-inner {
    max-width: 960px;
    margin: 0 auto;
}

.kv--footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 22px;
    margin-bottom: 12px;
}

.kv--footer-nav a {
    font-size: 12px;
    color: var(--kv-base);
}

.kv--footer-nav a:hover {
    color: var(--kv-deep);
}

.kv--footer-copy {
    font-size: 12px;
    color: var(--kv-mute);
    margin-bottom: 10px;
}

.kv--footer-note {
    font-size: 11px;
    line-height: 1.7;
    color: #86a3b3;
    max-width: 820px;
    margin: 0 auto;
}