:root {
    --color-primary: #1b9c58;
    --color-primary-dark: #147a44;
    --color-primary-light: #e6f7ee;
    --color-accent: #f59e0b;
    --color-bg: #fafaf9;
    --color-surface: #ffffff;
    --color-text: #1c1917;
    --color-muted: #78716c;
    --color-border: #e7e5e4;
    --radius: 18px;
    --radius-sm: 12px;
    --shadow: 0 10px 30px rgba(0,0,0,0.06);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.1);
    --transition: all 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: inherit;
    text-decoration: none;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: #fff;
    padding: 8px 16px;
    z-index: 200;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 0;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.legal-banner {
    position: sticky;
    top: 0;
    z-index: 110;
    background: #fff7ed;
    border-bottom: 1px solid #fed7aa;
    color: #9a3412;
    font-size: 0.88rem;
    padding: 10px 0;
}

.legal-banner__inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-align: center;
}

.legal-banner i {
    color: #c2410c;
    font-size: 1rem;
    flex-shrink: 0;
}

.legal-banner__close {
    background: none;
    border: none;
    color: #9a3412;
    cursor: pointer;
    padding: 4px;
    margin-left: 10px;
    font-size: 1rem;
    line-height: 1;
    flex-shrink: 0;
}

.legal-banner__close:hover {
    color: #7c2d12;
}

.legal-banner--closed {
    display: none;
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(250,250,249,0.92);
    backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid var(--color-border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.15rem;
}

.logo__icon {
    color: var(--color-primary);
    font-size: 1.4rem;
}

.nav {
    display: flex;
    gap: 28px;
}

.nav a {
    font-weight: 500;
    color: var(--color-muted);
    transition: var(--transition);
}

.nav a:hover {
    color: var(--color-primary);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-surface);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.lang-toggle:hover {
    border-color: var(--color-primary);
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: 999px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn--small {
    padding: 9px 18px;
    font-size: 0.9rem;
}

.btn--large {
    padding: 16px 30px;
    font-size: 1.05rem;
}

.btn--primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 6px 18px rgba(27,156,88,0.25);
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn--secondary {
    background: var(--color-surface);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
    background: var(--color-primary-light);
}

.btn--ghost {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn--ghost:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--white {
    background: #fff;
    color: var(--color-primary);
    box-shadow: var(--shadow);
}

.btn--white:hover {
    transform: translateY(-2px);
}

.btn--block {
    width: 100%;
    padding: 14px;
}

/* Hero */
.hero {
    padding: 80px 0 60px;
    overflow: hidden;
}

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

.badge {
    display: inline-block;
    padding: 7px 14px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.82rem;
    margin-bottom: 22px;
}

.hero__title {
    font-size: 2.8rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.hero__subtitle {
    font-size: 1.15rem;
    color: var(--color-muted);
    margin-bottom: 18px;
    max-width: 540px;
}

.hero__ai-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: var(--color-primary-light);
    border: 1px solid rgba(27, 156, 88, 0.2);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 0.92rem;
    color: var(--color-primary-dark);
    margin-bottom: 24px;
    max-width: 540px;
    line-height: 1.45;
}

.hero__ai-disclaimer::before {
    content: 'ℹ';
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.hero__cta-group {
    display: flex;
    gap: 14px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.hero__pain-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}

.pain-point {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    box-shadow: var(--shadow);
}

.hero__result-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 14px;
}

.hero__result-badge::before {
    content: '✓';
    font-weight: 800;
}

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

.stat {
    display: flex;
    flex-direction: column;
}

.stat__value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

.stat__label {
    font-size: 0.9rem;
    color: var(--color-muted);
}

/* Phone mockup */
.hero__visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone {
    width: 300px;
    height: 620px;
    background: var(--color-surface);
    border-radius: 44px;
    box-shadow: var(--shadow-lg);
    border: 10px solid var(--color-surface);
    position: relative;
    overflow: hidden;
}

.phone__notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 26px;
    background: var(--color-surface);
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 14px;
    z-index: 2;
}

.phone__screen {
    height: 100%;
    background: linear-gradient(180deg, #f0fdf4 0%, #fff 100%);
    padding: 44px 16px 16px;
    overflow: hidden;
}

.chat {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat__msg {
    max-width: 86%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 0.85rem;
    line-height: 1.4;
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.chat__msg--bot {
    align-self: flex-start;
    background: #fff;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-bottom-left-radius: 4px;
}

.chat__msg--user {
    align-self: flex-end;
    background: var(--color-primary);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chat__msg:nth-child(1) { animation-delay: 0.1s; }
.chat__msg:nth-child(2) { animation-delay: 0.3s; }
.chat__msg:nth-child(3) { animation-delay: 0.5s; }
.chat__msg:nth-child(4) { animation-delay: 0.7s; }
.chat__msg:nth-child(5) { animation-delay: 0.9s; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

.floating-card {
    position: absolute;
    background: var(--color-surface);
    border-radius: 14px;
    padding: 12px 16px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    animation: float 4s ease-in-out infinite;
}

.floating-card i {
    color: var(--color-primary);
    font-size: 1.1rem;
}

.floating-card--1 {
    top: 60px;
    right: 0;
}

.floating-card--2 {
    bottom: 90px;
    left: 0;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Trust bar */
.trust {
    padding: 30px 0 50px;
}

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

.trust-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.trust-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.trust-item i {
    color: var(--color-primary);
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.trust-item h3 {
    font-size: 1rem;
    margin-bottom: 6px;
    font-weight: 700;
}

.trust-item p {
    color: var(--color-muted);
    font-size: 0.88rem;
    line-height: 1.45;
}

/* Sections common */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
}

.section-tag {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.1rem;
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.section-subtitle {
    color: var(--color-muted);
    font-size: 1.05rem;
}

/* Demo */
.demo {
    padding: 70px 0;
    background: var(--color-surface);
}

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

.demo-card {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 28px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.demo-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.demo-card {
    position: relative;
}

.demo-card__num {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
}

.demo-card__visual {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.demo-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.demo-card p {
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* Features */
.features {
    padding: 70px 0;
}

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

.feature-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-card__icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 18px;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.feature-card p {
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* How it works */
.how {
    padding: 70px 0;
    background: var(--color-primary-light);
}

.how__steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.step {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow);
}

.step__num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.2rem;
    margin: 0 auto 18px;
}

.step h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.step p {
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* Pricing */
.pricing {
    padding: 70px 0;
}

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

.pricing-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    position: relative;
}

.pricing-card--featured {
    border-color: var(--color-primary);
    transform: scale(1.03);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-primary);
    color: #fff;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
}

.pricing-card__name {
    font-size: 1.3rem;
    margin-bottom: 6px;
}

.pricing-card__for {
    color: var(--color-muted);
    font-size: 0.92rem;
    margin-bottom: 6px;
}

.pricing-card__persona {
    color: var(--color-primary-dark);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
    min-height: 2.4em;
}

.pricing-card__price {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 22px;
    color: var(--color-text);
}

.pricing-card__period {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-muted);
}

.pricing-card__list {
    list-style: none;
    margin-bottom: 24px;
}

.pricing-card__list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-muted);
    font-size: 0.95rem;
}

.pricing-card__list li:last-child {
    border-bottom: none;
}

.pricing__guarantee {
    text-align: center;
    color: var(--color-primary-dark);
    font-weight: 600;
    margin-top: 28px;
    font-size: 1rem;
}

.pricing__guarantee i {
    margin-right: 6px;
}

.pricing__note {
    text-align: center;
    color: var(--color-muted);
    font-size: 0.88rem;
    margin-top: 12px;
}

/* Blog */
.blog {
    padding: 70px 0;
    background: var(--color-surface);
}

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

.blog-card {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 28px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.blog-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.blog-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.blog-card p {
    color: var(--color-muted);
    font-size: 0.95rem;
    flex-grow: 1;
    margin-bottom: 16px;
}

.blog-card__link {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.blog-card__link::after {
    content: '→';
    transition: transform 0.2s;
}

.blog-card:hover .blog-card__link::after {
    transform: translateX(4px);
}

/* Reviews */
.reviews {
    padding: 70px 0;
    background: var(--color-primary-light);
}

.reviews__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 28px;
}

.review-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--color-primary);
}

.review-card__author {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.review-card__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.review-card__author strong {
    display: block;
    font-size: 1rem;
}

.review-card__author span {
    display: block;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.review-card p {
    color: var(--color-text);
    font-size: 1rem;
    line-height: 1.55;
    margin-bottom: 16px;
    font-style: italic;
}

.review-card footer {
    color: var(--color-muted);
    font-size: 0.9rem;
    font-weight: 600;
    font-style: normal;
}

.reviews__note {
    text-align: center;
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* FAQ */
.faq {
    padding: 70px 0;
    background: var(--color-surface);
}

.faq__list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq__item {
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    padding: 18px 22px;
    border: 1px solid var(--color-border);
}

.faq__item summary {
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq__item summary::-webkit-details-marker {
    display: none;
}

.faq__item summary::after {
    content: '+';
    font-size: 1.3rem;
    color: var(--color-primary);
}

.faq__item[open] summary::after {
    content: '−';
}

.faq__item p {
    color: var(--color-muted);
    margin-top: 12px;
    font-size: 0.95rem;
}

/* CTA */
.cta {
    padding: 80px 0;
    background: var(--color-primary);
    color: #fff;
    text-align: center;
}

.cta__inner h2 {
    font-size: 2rem;
    margin-bottom: 14px;
}

.cta__inner p {
    opacity: 0.92;
    margin-bottom: 28px;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    padding: 36px 0;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

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

.footer__brand p {
    color: var(--color-muted);
    font-size: 0.85rem;
    margin-top: 6px;
}

.footer__links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer__links a {
    color: var(--color-muted);
    font-weight: 500;
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--color-primary);
}

.footer__legal {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    font-size: 0.82rem;
    color: var(--color-muted);
    line-height: 1.5;
    margin-bottom: 28px;
    text-align: center;
}

/* Comparison table */
.compare {
    padding: 70px 0;
    background: var(--color-primary-light);
}

.compare__table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.compare-table {
    width: 100%;
    min-width: 680px;
    border-collapse: collapse;
    background: var(--color-surface);
    text-align: center;
    font-size: 0.95rem;
}

.compare-table th,
.compare-table td {
    padding: 16px 18px;
    border-bottom: 1px solid var(--color-border);
}

.compare-table thead th {
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
}

.compare-table thead th:first-child {
    background: var(--color-primary-dark);
    text-align: left;
}

.compare-table tbody td:first-child {
    text-align: left;
    font-weight: 600;
}

.compare-table .icon-check,
.compare-table .icon-minus {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    font-weight: 800;
    font-size: 0.95rem;
}

.compare-table .icon-check {
    color: #fff;
    background: var(--color-primary);
}

.compare-table .icon-minus {
    color: var(--color-muted);
    background: var(--color-bg);
}

.compare-table__price td {
    font-weight: 800;
    color: var(--color-text);
    background: var(--color-bg);
}

.compare-table tbody tr:hover td {
    background: rgba(27, 156, 88, 0.04);
}

/* Science / Methodology */
.science {
    padding: 70px 0;
    background: var(--color-surface);
}

/* Regions */
.regions {
    padding: 70px 0;
    background: var(--color-primary-light);
}

.regions__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.region-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.region-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.region-card__flag {
    font-size: 2.4rem;
    margin-bottom: 12px;
}

.region-card h3 {
    font-size: 1.25rem;
    margin-bottom: 14px;
    font-weight: 700;
}

.region-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.region-card li {
    position: relative;
    padding-left: 22px;
    color: var(--color-muted);
    font-size: 0.95rem;
}

.region-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 800;
}

@media (max-width: 640px) {
    .regions__grid {
        grid-template-columns: 1fr;
    }
}

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

.science-card {
    background: var(--color-bg);
    border-radius: var(--radius);
    padding: 28px;
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    transition: var(--transition);
}

.science-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.science-card i {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 14px;
}

.science-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.science-card p {
    color: var(--color-muted);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.science-card a {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.science-card a:hover {
    color: var(--color-primary-dark);
}

.science__notice {
    max-width: 760px;
    margin: 28px auto 0;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #9a3412;
    font-size: 0.9rem;
    line-height: 1.45;
}

.science__notice i {
    color: #c2410c;
    margin-top: 2px;
    flex-shrink: 0;
}

/* Medical notice section */
.medical-notice {
    padding: 50px 0;
    background: #fff7ed;
    border-top: 1px solid #fed7aa;
    border-bottom: 1px solid #fed7aa;
}

.medical-notice__inner {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    max-width: 860px;
    margin: 0 auto;
}

.medical-notice i {
    font-size: 2rem;
    color: #c2410c;
    flex-shrink: 0;
}

.medical-notice h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #9a3412;
}

.medical-notice p {
    color: #9a3412;
    font-size: 0.95rem;
    line-height: 1.55;
}

/* Case studies */
.cases {
    padding: 70px 0;
    background: var(--color-bg);
}

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

.case-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.case-card__result {
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 12px;
    line-height: 1.2;
}

.case-card h3 {
    font-size: 1.05rem;
    margin-bottom: 4px;
    font-weight: 700;
}

.case-card__goal {
    color: var(--color-muted);
    font-size: 0.88rem;
    margin-bottom: 12px;
}

.case-card__facts {
    list-style: none;
    margin-bottom: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.case-card__facts li {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.4;
}

.case-card__facts strong {
    color: var(--color-primary-dark);
}

.case-card p {
    color: var(--color-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.cases__disclaimer {
    text-align: center;
    color: var(--color-muted);
    font-size: 0.85rem;
    margin-top: 28px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive */
@media (max-width: 960px) {
    .hero__grid,
    .features__grid,
    .how__steps,
    .pricing__grid,
    .demo__steps,
    .blog__grid,
    .reviews__grid,
    .trust__grid,
    .science__grid,
    .cases__grid {
        grid-template-columns: 1fr;
    }

    .hero__visual {
        order: -1;
    }

    .phone {
        width: 260px;
        height: 540px;
    }

    .floating-card--1,
    .floating-card--2 {
        display: none;
    }

    .nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-surface);
        padding: 20px;
        box-shadow: var(--shadow-lg);
        gap: 16px;
    }

    .nav--open {
        display: flex;
        flex-direction: column;
    }

    .burger {
        display: flex;
    }

    .header__cta {
        display: none;
    }

    .hero__title {
        font-size: 2.2rem;
    }

    .pricing-card--featured {
        transform: none;
    }

    .trust-item {
        text-align: left;
        display: flex;
        align-items: flex-start;
        gap: 16px;
    }

    .trust-item i {
        margin-bottom: 0;
    }

    .trust-item h3,
    .trust-item p {
        text-align: left;
    }
}

@media (max-width: 520px) {
    .hero__title {
        font-size: 1.7rem;
    }

    .hero__stats {
        gap: 24px;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .pricing-card__price {
        font-size: 2rem;
    }

    .footer__inner {
        flex-direction: column;
        gap: 18px;
        text-align: center;
    }
}