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

:root {
    --primary: #3B3F5C;
    --primary-light: #6B6F8C;
    --primary-dark: #2A2E44;
    --primary-bg: #F0F1F5;
    --accent: #4A6CF7;
    --accent-light: #6B87F9;
    --bg-light: #F7F8FA;
    --bg-white: #FFFFFF;
    --text-dark: #1E1E2E;
    --text-gray: #5A5D72;
    --text-light: #8A8DA3;
    --border-color: #E4E6ED;
    --shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 16px 56px rgba(0, 0, 0, 0.10);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    background: var(--bg-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   BUTTONS
============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    font-family: 'Inter', sans-serif;
    text-decoration: none;
    border: 1.5px solid transparent;
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.btn--primary {
    background: var(--accent);
    color: var(--bg-white);
    border-color: var(--accent);
}

.btn--primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    box-shadow: 0 4px 16px rgba(74, 108, 247, 0.25);
    transform: translateY(-1px);
}

.btn--outline {
    background: transparent;
    color: var(--text-dark);
    border-color: var(--border-color);
}

.btn--outline:hover {
    background: var(--bg-light);
    border-color: var(--text-gray);
    transform: translateY(-1px);
}

.btn--large {
    padding: 14px 32px;
    font-size: 15px;
}

.btn--block {
    display: flex;
    justify-content: center;
    width: 100%;
}

/* ============================================
   SECTION HEADER
============================================ */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header__tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-light);
    margin-bottom: 8px;
}

.section-header__title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 8px;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.section-header__subtitle {
    font-size: 16px;
    color: var(--text-gray);
    max-width: 520px;
    margin: 0 auto;
    font-weight: 400;
}

/* ============================================
   HEADER
============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 0;
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.logo__icon {
    color: var(--accent);
    font-size: 18px;
}

.logo__highlight {
    color: var(--accent);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav__link {
    color: var(--text-gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    letter-spacing: 0.01em;
}

.nav__link:hover {
    color: var(--text-dark);
}

.nav__link.active {
    color: var(--text-dark);
    font-weight: 600;
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ============================================
   BURGER
============================================ */
.burger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.burger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

.burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ============================================
   HERO (Home)
============================================ */
.hero {
    padding: 120px 0 80px;
    background: var(--bg-light);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-light);
    margin-bottom: 16px;
}

.hero__title {
    font-size: 44px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.hero__highlight {
    color: var(--accent);
}

.hero__subtitle {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 28px;
    line-height: 1.7;
    max-width: 480px;
}

.hero__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero__stats {
    display: flex;
    gap: 40px;
}

.stat__number {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.stat__label {
    font-size: 13px;
    color: var(--text-light);
}

/* ===== Hero Visual ===== */
.hero__visual {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
}

.hero__image-placeholder {
    background: var(--bg-white);
    border: 1.5px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 32px;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.hero__image-placeholder:hover {
    border-color: var(--text-light);
}

.hero__image-placeholder--small {
    min-height: 150px;
    padding: 20px;
}

.placeholder__content {
    text-align: center;
}

.placeholder__icon {
    font-size: 32px;
    color: var(--text-light);
    margin-bottom: 12px;
    display: block;
}

.placeholder__text {
    display: block;
    font-size: 13px;
    color: var(--text-gray);
    font-weight: 500;
}

.placeholder__subtext {
    display: block;
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

/* ============================================
   RULES (Home)
============================================ */
.rules {
    padding: 64px 0;
    background: var(--bg-white);
}

.rules__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.rule-card {
    padding: 24px 20px;
    border-radius: var(--radius);
    background: var(--bg-light);
    transition: var(--transition);
    text-align: center;
    border: 1px solid transparent;
}

.rule-card:hover {
    background: var(--bg-white);
    border-color: var(--border-color);
    box-shadow: var(--shadow);
}

.rule-card__icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(74, 108, 247, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 18px;
    color: var(--accent);
}

.rule-card__title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.rule-card__text {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.5;
}

/* ============================================
   USE CASES (Home)
============================================ */
.use-cases {
    padding: 64px 0;
    background: var(--bg-light);
}

.use-cases__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.use-case {
    background: var(--bg-white);
    padding: 24px 20px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.use-case:hover {
    border-color: var(--text-light);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.use-case__icon {
    font-size: 28px;
    margin-bottom: 8px;
    display: block;
}

.use-case__title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.use-case__examples {
    list-style: none;
    padding: 0;
    margin: 0;
}

.use-case__examples li {
    position: relative;
    padding: 4px 0 4px 18px;
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.5;
}

.use-case__examples li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--text-light);
}

.use-cases__footer {
    text-align: center;
    padding-top: 8px;
}

.use-cases__footer .btn {
    margin-bottom: 8px;
}

.use-cases__footer-hint {
    display: block;
    font-size: 13px;
    color: var(--text-light);
}

/* ============================================
   HOW IT WORKS (Home)
============================================ */
.how-it-works {
    padding: 64px 0;
    background: var(--bg-white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.step {
    text-align: center;
    padding: 32px 24px;
    border-radius: var(--radius);
    background: var(--bg-light);
    position: relative;
    border: 1px solid transparent;
    transition: var(--transition);
}

.step:hover {
    border-color: var(--border-color);
    box-shadow: var(--shadow);
}

.step__number {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 28px;
    background: var(--accent);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 13px;
}

.step__icon {
    font-size: 28px;
    color: var(--accent);
    margin-bottom: 8px;
    margin-top: 4px;
}

.step__title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.step__text {
    font-size: 14px;
    color: var(--text-gray);
}

/* ============================================
   FREE SECTION (Home)
============================================ */
.free-section {
    padding: 64px 0;
    background: var(--bg-light);
}

.free__grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto 40px;
}

.free__card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 32px 28px;
    border: 1px solid var(--border-color);
}

.free__card--pro {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.free__card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.free__badge {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-gray);
}

.free__card--pro .free__badge {
    color: var(--accent);
}

.free__price {
    font-size: 28px;
    font-weight: 700;
}

.free__period {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-gray);
}

.free__pro-desc {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.free__features {
    list-style: none;
    margin-bottom: 16px;
}

.free__features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-gray);
}

.free__features li i {
    width: 18px;
    font-size: 14px;
}

.free__features .fa-check {
    color: #22C55E;
}

.free__features .fa-star {
    color: #F59E0B;
}

.free__note {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-light);
}

.free__note a {
    color: var(--accent);
    text-decoration: none;
}

.free__note a:hover {
    text-decoration: underline;
}

/* ============================================
   CASES PAGE
============================================ */
.cases-hero {
    padding: 120px 0 48px;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

.cases-hero__title {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.cases-hero__subtitle {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 640px;
}

.cases-hero__stats {
    display: flex;
    gap: 48px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.cases-hero__stats .stat__number {
    font-size: 28px;
}

.cases-grid {
    padding: 60px 0 80px;
    background: var(--bg-white);
}

.cases-grid__filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.cases-grid__filters .filter-btn {
    padding: 6px 18px;
    border-radius: 6px;
    border: 1.5px solid var(--border-color);
    background: transparent;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.cases-grid__filters .filter-btn:hover {
    border-color: var(--text-light);
}

.cases-grid__filters .filter-btn.active {
    background: var(--accent);
    color: var(--bg-white);
    border-color: var(--accent);
}

.cases-grid__list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-item {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 24px 20px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.case-item:hover {
    border-color: var(--border-color);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.case-item__icon {
    font-size: 28px;
    margin-bottom: 8px;
    display: block;
}

.case-item__category {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
    background: rgba(74, 108, 247, 0.06);
    padding: 2px 10px;
    border-radius: 4px;
    margin-bottom: 8px;
}

.case-item__title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.case-item__text {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

.cases-cta {
    padding: 48px 0 80px;
    background: var(--bg-light);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.cases-cta__title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.cases-cta__text {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 24px;
}

/* ============================================
   SUPPORT PAGE
============================================ */
.support-hero {
    padding: 120px 0 48px;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

.support-hero__title {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.support-hero__subtitle {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 640px;
}

.support-content {
    padding: 60px 0 80px;
    background: var(--bg-white);
}

.support-content__wrapper {
    max-width: 960px;
    margin: 0 auto;
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.contact-option {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    border: 1px solid transparent;
    transition: var(--transition);
}

.contact-option:hover {
    border-color: var(--border-color);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.contact-option__icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(74, 108, 247, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 24px;
    color: var(--accent);
}

.contact-option__title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.contact-option__text {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 12px;
    line-height: 1.5;
}

.contact-option__link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
}

.contact-option__link:hover {
    color: var(--accent-light);
}

.contact-form-wrapper {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 48px 40px;
    margin-bottom: 48px;
    border: 1px solid var(--border-color);
}

.contact-form-wrapper__header {
    margin-bottom: 32px;
}

.contact-form-wrapper__header h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.contact-form-wrapper__header p {
    font-size: 15px;
    color: var(--text-gray);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-form .form-group {
    display: flex;
    flex-direction: column;
}

.contact-form .form-group--full {
    grid-column: 1 / -1;
}

.contact-form label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.contact-form label .required {
    color: #EF4444;
    margin-left: 2px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 12px 16px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    background: var(--bg-white);
    transition: var(--transition);
    color: var(--text-dark);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    grid-column: 1 / -1;
    justify-self: start;
    padding: 14px 48px;
    font-size: 16px;
}

.faq-section {
    border-top: 1px solid var(--border-color);
    padding-top: 48px;
}

.faq-section__header {
    text-align: center;
    margin-bottom: 32px;
}

.faq-section__header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
}

.faq-section__header p {
    font-size: 15px;
    color: var(--text-gray);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 32px;
}

.faq-item {
    padding: 16px 0;
    border-bottom: 1px solid var(--bg-light);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item__question {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.faq-item__question i {
    color: var(--accent);
    font-size: 14px;
}

.faq-item__answer {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ============================================
   FAIR USE PAGE
============================================ */
.fair-use-hero {
    padding: 120px 0 48px;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

.fair-use-hero__title {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.fair-use-hero__subtitle {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 640px;
}

.fair-use-content {
    padding: 60px 0 80px;
    background: var(--bg-white);
}

.fair-use-content__wrapper {
    max-width: 820px;
    margin: 0 auto;
}

.fair-use-content__wrapper h2 {
    font-size: 24px;
    font-weight: 700;
    margin: 40px 0 16px;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.fair-use-content__wrapper h2:first-of-type {
    margin-top: 0;
}

.fair-use-content__wrapper p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

.fair-use-content__wrapper .highlight-box {
    background: var(--bg-light);
    border-left: 4px solid var(--accent);
    padding: 20px 24px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 24px 0;
}

.fair-use-content__wrapper .highlight-box p {
    margin-bottom: 0;
    font-size: 15px;
    color: var(--text-dark);
}

.fair-use-content__wrapper ul {
    list-style: none;
    padding: 0;
    margin: 16px 0 24px;
}

.fair-use-content__wrapper ul li {
    padding: 8px 0 8px 28px;
    position: relative;
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.6;
    border-bottom: 1px solid var(--bg-light);
}

.fair-use-content__wrapper ul li:last-child {
    border-bottom: none;
}

.fair-use-content__wrapper ul li::before {
    content: '›';
    position: absolute;
    left: 8px;
    color: var(--accent);
    font-size: 20px;
    font-weight: 700;
}

.fair-use-content__wrapper .metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin: 20px 0 28px;
}

.fair-use-content__wrapper .metric-item {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    text-align: center;
}

.fair-use-content__wrapper .metric-item .number {
    display: block;
    font-size: 22px;
    font-weight: 700;
    color: var(--text-dark);
}

.fair-use-content__wrapper .metric-item .label {
    font-size: 13px;
    color: var(--text-light);
}

.fair-use-content__wrapper .divider {
    height: 1px;
    background: var(--border-color);
    margin: 40px 0;
}

.fair-use-cta {
    padding: 48px 0 80px;
    background: var(--bg-light);
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.fair-use-cta__title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.fair-use-cta__text {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 24px;
}

/* ============================================
   FOOTER
============================================ */
.footer {
    background: var(--text-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 48px 0 0;
}

.footer__container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__brand .logo {
    color: var(--bg-white);
    margin-bottom: 8px;
}

.footer__brand .logo__icon {
    color: var(--accent-light);
}

.footer__desc {
    font-size: 14px;
    max-width: 280px;
    line-height: 1.6;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer__col h4 {
    color: var(--bg-white);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}

.footer__col a {
    display: block;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 13px;
    padding: 3px 0;
    transition: var(--transition);
}

.footer__col a:hover {
    color: var(--bg-white);
}

.footer__bottom {
    padding: 16px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1024px) {
    .hero__title {
        font-size: 36px;
    }

    .hero__visual {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .hero__image-placeholder {
        min-height: 240px;
    }

    .hero__image-placeholder--small {
        min-height: 120px;
    }

    .rules__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .use-cases__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid__list {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-options {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .header__container {
        flex-wrap: wrap;
    }

    .nav {
        display: none;
        width: 100%;
        flex-direction: column;
        padding: 16px 0 8px;
        gap: 14px;
        border-top: 1px solid var(--border-color);
        margin-top: 12px;
    }

    .nav.active {
        display: flex;
    }

    .header__actions {
        display: none;
    }

    .header__actions.active {
        display: flex;
        width: 100%;
        justify-content: center;
        padding-bottom: 8px;
    }

    .burger {
        display: flex;
    }

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

    .hero {
        padding: 104px 0 48px;
        min-height: auto;
    }

    .hero__title {
        font-size: 30px;
    }

    .hero__subtitle {
        max-width: 100%;
    }

    .hero__actions {
        flex-direction: column;
        width: 100%;
    }

    .hero__actions .btn {
        width: 100%;
        justify-content: center;
    }

    .hero__stats {
        gap: 24px;
        flex-wrap: wrap;
    }

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

    .hero__image-placeholder {
        min-height: 200px;
        padding: 24px;
    }

    .hero__image-placeholder--small {
        min-height: 100px;
    }

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

    .use-cases__grid {
        grid-template-columns: 1fr 1fr;
    }

    .use-cases {
        padding: 48px 0;
    }

    .use-cases__grid {
        gap: 16px;
        margin-bottom: 32px;
    }

    .use-case {
        padding: 20px 18px;
    }

    .use-cases__footer .btn {
        width: 100%;
        justify-content: center;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .step__number {
        top: -10px;
    }

    .free__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .free__card {
        padding: 24px 20px;
    }

    .free__price {
        font-size: 24px;
    }

    .footer__container {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .section-header__title {
        font-size: 26px;
    }

    /* Cases */
    .cases-hero {
        padding: 104px 0 32px;
    }

    .cases-hero__title {
        font-size: 28px;
    }

    .cases-hero__stats {
        flex-direction: column;
        gap: 4px;
    }

    .cases-grid__list {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .cases-grid__filters {
        gap: 6px;
    }

    .cases-grid__filters .filter-btn {
        font-size: 12px;
        padding: 4px 14px;
    }

    .cases-cta__title {
        font-size: 22px;
    }

    /* Support */
    .support-hero {
        padding: 104px 0 32px;
    }

    .support-hero__title {
        font-size: 28px;
    }

    .support-content {
        padding: 40px 0 60px;
    }

    .contact-options {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .contact-form-wrapper {
        padding: 32px 24px;
    }

    .contact-form {
        grid-template-columns: 1fr;
    }

    .contact-form .form-group--full {
        grid-column: 1;
    }

    .contact-form .btn {
        justify-self: stretch;
        width: 100%;
        justify-content: center;
    }

    .faq-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .faq-item {
        padding: 12px 0;
    }

    /* Fair Use */
    .fair-use-hero {
        padding: 104px 0 32px;
    }

    .fair-use-hero__title {
        font-size: 28px;
    }

    .fair-use-content {
        padding: 40px 0 60px;
    }

    .fair-use-content__wrapper h2 {
        font-size: 20px;
        margin-top: 32px;
    }

    .fair-use-content__wrapper .metric-grid {
        grid-template-columns: 1fr 1fr;
    }

    .fair-use-cta__title {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .use-cases__grid {
        grid-template-columns: 1fr;
    }

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

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

    .hero__stats {
        flex-direction: column;
        gap: 4px;
        align-items: flex-start;
    }

    .hero__title {
        font-size: 26px;
    }

    .hero__image-placeholder {
        min-height: 160px;
        padding: 16px;
    }

    .cases-hero__title {
        font-size: 24px;
    }

    .case-item {
        padding: 18px 16px;
    }

    .support-hero__title {
        font-size: 24px;
    }

    .contact-form-wrapper {
        padding: 24px 16px;
    }

    .contact-option {
        padding: 24px 16px;
    }

    .fair-use-hero__title {
        font-size: 24px;
    }

    .fair-use-content__wrapper .metric-grid {
        grid-template-columns: 1fr;
    }
}
/* ===== LOGO MINFORMAT ===== */
.logo--minformat {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo__mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: var(--bg-white);
    border-radius: 6px;
    font-size: 18px;
    font-weight: 800;
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.03em;
}

.logo__text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.logo__highlight {
    color: var(--accent);
}



/* ============================================
   AUTH PAGES (Login / Register)
============================================ */
.auth-page {
    padding: 120px 0 80px;
    background: var(--bg-light);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.auth-container {
    max-width: 460px;
    margin: 0 auto;
    width: 100%;
}

.auth-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 40px 36px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.auth-card__header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-card__title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.auth-card__subtitle {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.6;
}

.auth-card__footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.auth-card__footer p {
    font-size: 14px;
    color: var(--text-gray);
}

.auth-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.auth-link:hover {
    text-decoration: underline;
}

.auth-agreement {
    font-size: 13px !important;
    color: var(--text-light) !important;
    margin-top: 8px;
}

/* ===== Auth Alert ===== */
.auth-alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-size: 14px;
    line-height: 1.6;
}

.auth-alert i {
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.auth-alert--success {
    background: rgba(34, 197, 94, 0.08);
    color: #22C55E;
    border: 1px solid rgba(34, 197, 94, 0.15);
}

.auth-alert--error {
    background: rgba(239, 68, 68, 0.08);
    color: #EF4444;
    border: 1px solid rgba(239, 68, 68, 0.15);
}

.auth-alert--success i {
    color: #22C55E;
}

.auth-alert--error i {
    color: #EF4444;
}

/* ===== Auth Form ===== */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.auth-form .form-group {
    display: flex;
    flex-direction: column;
}

.auth-form label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.auth-form label .required {
    color: #EF4444;
    margin-left: 2px;
}

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
    padding: 12px 16px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    background: var(--bg-white);
    transition: var(--transition);
    color: var(--text-dark);
    width: 100%;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.1);
}

.auth-form .password-wrapper {
    position: relative;
}

.auth-form .password-wrapper input {
    padding-right: 48px;
}

.auth-form .password-toggle {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 4px;
    font-size: 16px;
}

.auth-form .password-toggle:hover {
    color: var(--text-gray);
}

.auth-form .form-hint {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
}

.auth-form__options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
}

.auth-form__options .checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-gray);
    cursor: pointer;
}

.auth-form__options .checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
}

.auth-form .btn--block {
    width: 100%;
    justify-content: center;
}

/* ============================================
   DASHBOARD
============================================ */
.dashboard {
    padding-top: 80px;
    min-height: 100vh;
    background: var(--bg-light);
}

.dashboard__header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 24px 0;
    position: sticky;
    top: 72px;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.92);
}

.dashboard__header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.dashboard__title {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.dashboard__title span {
    color: var(--text-gray);
    font-weight: 400;
    font-size: 16px;
    display: block;
    margin-top: 2px;
}

.dashboard__body {
    padding: 32px 0 80px;
}

.dashboard__body .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.dashboard__body .stat-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 20px 24px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.dashboard__body .stat-card:hover {
    border-color: var(--text-light);
    box-shadow: var(--shadow);
}

.dashboard__body .stat-card__label {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.dashboard__body .stat-card__value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-dark);
    margin-top: 4px;
    letter-spacing: -0.02em;
}

.dashboard-welcome {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 32px 28px;
    text-align: center;
    border: 1px solid var(--border-color);
    margin-bottom: 32px;
}

.dashboard-welcome h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
}

.dashboard-welcome p {
    color: var(--text-gray);
    margin-bottom: 16px;
}

.dashboard-profile {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 28px 32px;
    border: 1px solid var(--border-color);
}

.dashboard-profile h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 32px;
}

.profile-field {
    display: flex;
    flex-direction: column;
    padding: 8px 0;
    border-bottom: 1px solid var(--bg-light);
}

.profile-field__label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-light);
    font-weight: 600;
}

.profile-field__value {
    font-size: 16px;
    font-weight: 500;
    margin-top: 2px;
}

.profile-field__edit {
    font-size: 13px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    margin-top: 2px;
}

.profile-field__edit:hover {
    text-decoration: underline;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .auth-page {
        padding: 100px 0 60px;
    }

    .auth-card {
        padding: 28px 20px;
    }

    .auth-card__title {
        font-size: 24px;
    }

    .dashboard__body .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .dashboard__body .stat-card {
        padding: 16px 18px;
    }

    .dashboard__body .stat-card__value {
        font-size: 22px;
    }

    .dashboard__header-content {
        flex-direction: column;
        align-items: stretch;
    }

    .dashboard__title span {
        font-size: 14px;
    }

    .dashboard__actions {
        display: flex;
        flex-wrap: wrap;
    }

    .dashboard__actions .btn {
        flex: 1;
        justify-content: center;
    }

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

@media (max-width: 480px) {
    .auth-card {
        padding: 20px 16px;
    }

    .auth-card__title {
        font-size: 20px;
    }

    .auth-form__options {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }

    .dashboard__body .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .dashboard__body .stat-card {
        padding: 14px;
        text-align: center;
    }

    .dashboard__body .stat-card__value {
        font-size: 20px;
    }

    .dashboard-welcome {
        padding: 24px 16px;
    }

    .dashboard-profile {
        padding: 20px 16px;
    }
}

/* ============================================================
   REGISTER PAGE
============================================================ */
.register-page {
    padding: 120px 0 80px;
    min-height: 100vh;
    background: var(--bg-light);
    display: flex;
    align-items: center;
}

.register-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

/* ===== Левая часть — форма ===== */
.register-form {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 48px 40px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.register-form__header {
    margin-bottom: 32px;
}

.register-form__title {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.register-form__subtitle {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.6;
}

.register-form__body {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.register-form__body .form-group {
    display: flex;
    flex-direction: column;
}

.register-form__body label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.register-form__body .input-wrapper {
    position: relative;
}

.register-form__body .input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-size: 16px;
}

.register-form__body input[type="email"] {
    width: 100%;
    padding: 14px 16px 14px 46px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-family: 'Inter', sans-serif;
    background: var(--bg-white);
    transition: var(--transition);
    color: var(--text-dark);
}

.register-form__body input[type="email"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74, 108, 247, 0.1);
}

.register-form__footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-gray);
}

.register-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.register-link:hover {
    text-decoration: underline;
}

/* ===== Правая часть — информация ===== */
.register-info {
    padding: 20px 0;
}

.register-info__content {
    max-width: 440px;
}

.register-info__badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-light);
    margin-bottom: 12px;
}

.register-info__title {
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.register-info__steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 28px;
}

.info-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.info-step__number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(74, 108, 247, 0.08);
    color: var(--accent);
    border-radius: 50%;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 2px;
}

.info-step h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.info-step p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.5;
}

.register-info__note {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: rgba(74, 108, 247, 0.04);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-gray);
}

.register-info__note i {
    color: var(--accent);
    font-size: 18px;
}

/* ===== Алерты ===== */
.register-alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.6;
}

.register-alert i {
    font-size: 18px;
    margin-top: 2px;
    flex-shrink: 0;
}

.register-alert--success {
    background: rgba(34, 197, 94, 0.08);
    color: #22C55E;
    border: 1px solid rgba(34, 197, 94, 0.15);
}

.register-alert--error {
    background: rgba(239, 68, 68, 0.08);
    color: #EF4444;
    border: 1px solid rgba(239, 68, 68, 0.15);
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
    .register-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .register-page {
        padding: 100px 0 60px;
    }
    
    .register-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .register-form {
        padding: 32px 24px;
    }
    
    .register-form__title {
        font-size: 26px;
    }
    
    .register-info__content {
        max-width: 100%;
    }
    
    .register-info__title {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .register-form {
        padding: 24px 16px;
    }
    
    .register-form__title {
        font-size: 22px;
    }
    
    .register-info__title {
        font-size: 20px;
    }
}