/* ==========================================================================
   Guriev Partners — основний файл стилів
   Структура: змінні → скидання стилів → типографіка → службові класи →
   шапка → кнопки → секції головної сторінки → сторінка "Про нас" →
   сторінка "Послуги" → сторінка "Відгуки" → сторінка "Контакти" →
   форми → підвал → модальне вікно → адаптивність
   ========================================================================== */

/* ---------- CSS-змінні ---------- */
:root {
    --color-white: #ffffff;
    --color-green: #0C2B26;
    --color-black: #000000;
    --color-border: rgba(12, 43, 38, 0.18);
    --color-text-secondary: rgba(0, 0, 0, 0.65);
    --font-main: "Helvetica Neue", Helvetica, Arial, sans-serif;

    /* похідні відтінки фірмової палітри */
    --color-green-soft: rgba(12, 43, 38, 0.06);
    --color-green-soft-2: rgba(12, 43, 38, 0.1);
    --color-green-border: rgba(12, 43, 38, 0.18);
    --color-white-soft: rgba(255, 255, 255, 0.08);
    --color-white-border: rgba(255, 255, 255, 0.22);
    --color-black-soft: rgba(0, 0, 0, 0.45);

    /* відступи */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 40px;
    --space-xl: 64px;
    --space-2xl: 96px;
    --space-3xl: 140px;

    /* розміри */
    --radius: 0 4px 8px;
    --container-width: 1240px;
    --header-height: 96px;
    --header-height-compact: 72px;

    /* анімації */
    --speed-fast: 0.2s ease;
    --speed-base: 0.3s ease;
    --speed-slow: 0.5s ease;
}

/* ---------- Скидання стилів ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-main);
    color: var(--color-black);
    background: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

input,
textarea,
select,
button {
    font-family: inherit;
    font-size: 1rem;
}

h1, h2, h3, h4, p {
    margin: 0;
}

/* видимий focus для доступності */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-green);
    outline-offset: 3px;
}

/* ---------- Типографіка ---------- */
h1 {
    font-size: clamp(2.4rem, 4vw, 4rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.01em;
}

h2 {
    font-size: clamp(1.9rem, 3vw, 2.75rem);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 700;
    line-height: 1.3;
}

.lead {
    font-size: clamp(1.05rem, 1.4vw, 1.25rem);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-green);
    margin-bottom: var(--space-sm);
}

.eyebrow--light {
    color: var(--color-white);
}

/* ---------- Службові класи ---------- */
.container {
    width: min(100% - 40px, var(--container-width));
    margin-inline: auto;
}

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

.skip-link {
    position: absolute;
    left: 0;
    top: 0;
    transform: translateY(-150%);
    background: var(--color-green);
    color: var(--color-white);
    padding: 14px 22px;
    z-index: 1000;
    font-weight: 600;
    transition: transform var(--speed-base);
}

.skip-link:focus {
    transform: translateY(0);
}

.section {
    padding-block: var(--space-2xl);
}

.section--tight {
    padding-block: var(--space-xl);
}

.section--dark {
    background: var(--color-green);
    color: var(--color-white);
}

.section--soft {
    background: var(--color-green-soft);
}

.section-head {
    max-width: 720px;
    margin-bottom: var(--space-xl);
}

.section-head--center {
    margin-inline: auto;
    text-align: center;
}

.divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin-block: var(--space-xl);
}

.demo-note {
    display: inline-block;
    margin-top: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    border-left: 2px solid var(--color-border);
    padding-left: var(--space-sm);
}

/* ---------- Кнопки ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: var(--radius);
    border: 1px solid transparent;
    transition: background var(--speed-base), color var(--speed-base), border-color var(--speed-base), transform var(--speed-fast);
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

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

.btn-primary:hover {
    background: #143b33;
    border-color: #143b33;
}

.btn-secondary {
    background: transparent;
    color: var(--color-green);
    border-color: var(--color-green);
}

.btn-secondary:hover {
    background: var(--color-green);
    color: var(--color-white);
}

.btn-on-dark {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white-border);
}

.btn-on-dark:hover {
    background: var(--color-white);
    color: var(--color-green);
    border-color: var(--color-white);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

/* ---------- Шапка сайту ---------- */
.site-header {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: 500;
    background: var(--color-green);
    border-bottom: 1px solid var(--color-white-border);
    transition: padding var(--speed-base), box-shadow var(--speed-base);
}

.site-header.is-scrolled {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    height: var(--header-height);
    transition: height var(--speed-base);
}

.site-header.is-scrolled .site-header__inner {
    height: var(--header-height-compact);
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo img {
    height: 30px;
    width: auto;
    transition: height var(--speed-base);
}

.site-header.is-scrolled .logo img {
    height: 24px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.main-nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.main-nav__link {
    position: relative;
    color: var(--color-white);
    font-size: 0.95rem;
    font-weight: 500;
    padding-block: 8px;
    transition: color var(--speed-base);
}

.main-nav__link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    height: 2px;
    width: 0;
    background: var(--color-white);
    transition: width var(--speed-base);
}

.main-nav__link:hover::after {
    width: 100%;
}

.main-nav__link[aria-current="page"] {
    color: var(--color-white);
}

.main-nav__link[aria-current="page"]::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.header-phone {
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
    transition: opacity var(--speed-base);
}

.header-phone:hover {
    opacity: 0.8;
}

.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--color-white-border);
    border-radius: var(--radius);
    flex-shrink: 0;
}

.burger__line {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-white);
    transition: transform var(--speed-base), opacity var(--speed-base);
}

.burger[aria-expanded="true"] .burger__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.burger[aria-expanded="true"] .burger__line:nth-child(2) {
    opacity: 0;
}

.burger[aria-expanded="true"] .burger__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Головна: перший екран ---------- */
.hero {
    position: relative;
    padding-top: calc(var(--header-height) + var(--space-2xl));
    padding-bottom: var(--space-2xl);
    background: var(--color-green);
    color: var(--color-white);
    overflow: hidden;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-2xl);
    align-items: center;
}

.hero__text p {
    margin-top: var(--space-md);
    max-width: 540px;
    color: rgba(255, 255, 255, 0.78);
}

.hero__actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    flex-wrap: wrap;
}

.hero__media {
    position: relative;
    border: 1px solid var(--color-white-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ---------- Переваги ---------- */
.advantages {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.advantage-card {
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color var(--speed-base), transform var(--speed-base);
}

.advantage-card:hover {
    border-color: var(--color-green);
    transform: translateY(-4px);
}

.advantage-card__index {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    display: block;
}

.advantage-card p {
    margin-top: var(--space-xs);
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ---------- Картки послуг ---------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.service-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-lg) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-white);
    transition: box-shadow var(--speed-base), border-color var(--speed-base);
}

.service-card:hover {
    border-color: var(--color-green);
    box-shadow: 0 12px 32px rgba(12, 43, 38, 0.08);
}

.service-card h3 {
    margin-bottom: var(--space-sm);
}

.service-card p {
    color: var(--color-text-secondary);
    flex-grow: 1;
}

.service-card__link {
    margin-top: var(--space-md);
    font-weight: 600;
    color: var(--color-green);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.service-card__link::after {
    content: "→";
    transition: transform var(--speed-base);
}

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

/* ---------- Про Guriev Partners (двоколонкова секція) ---------- */
.about-split {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-split__media {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.about-split__list {
    margin-top: var(--space-md);
    display: grid;
    gap: var(--space-sm);
}

.about-split__list li {
    display: flex;
    gap: 12px;
    color: var(--color-text-secondary);
}

.about-split__list li::before {
    content: "";
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    margin-top: 8px;
    background: var(--color-green);
    border-radius: var(--radius);
}

/* ---------- Етапи роботи ---------- */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    counter-reset: step;
}

.step-card {
    position: relative;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.step-card__number {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-green);
    display: block;
    margin-bottom: var(--space-sm);
}

.step-card p {
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
}

/* ---------- Коли варто звернутися ---------- */
.reasons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm) var(--space-lg);
}

.reason-item {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md);
    border: 1px solid var(--color-white-border);
    border-radius: var(--radius);
}

.reason-item__mark {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border: 1px solid var(--color-white-border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* ---------- Відгуки ---------- */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.review-card {
    position: relative;
    padding: var(--space-lg) var(--space-md) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-white);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.review-card__quote {
    position: absolute;
    top: 8px;
    left: var(--space-md);
    font-size: 3.5rem;
    line-height: 1;
    font-weight: 700;
    color: var(--color-green);
    opacity: 0.15;
    font-family: Georgia, serif;
}

.review-card__service {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-green);
}

.review-card__text {
    color: var(--color-text-secondary);
    flex-grow: 1;
}

.review-card__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 600;
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-sm);
}

.review-card__date {
    font-weight: 400;
    color: var(--color-text-secondary);
}

.reviews-footnote {
    margin-top: var(--space-lg);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* ---------- Фінальний CTA ---------- */
.final-cta {
    text-align: center;
}

.final-cta__inner {
    max-width: 700px;
    margin-inline: auto;
}

.final-cta p {
    margin-top: var(--space-sm);
    color: rgba(255, 255, 255, 0.78);
}

.final-cta .btn {
    margin-top: var(--space-lg);
}

/* ---------- Форми ---------- */
.form-section {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: var(--space-2xl);
}

.form-panel {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--space-lg);
}

.form-panel--standalone {
    max-width: 720px;
    margin-inline: auto;
}

.form-grid {
    display: grid;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    font-size: 0.9rem;
    font-weight: 600;
}

.form-field .required-mark {
    color: var(--color-green);
}

.form-field input,
.form-field select,
.form-field textarea {
    padding: 14px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-white);
    color: var(--color-black);
    transition: border-color var(--speed-base);
    width: 100%;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: var(--color-green);
}

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

.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea {
    border-color: #7a1f1f;
}

.form-error {
    display: none;
    font-size: 0.82rem;
    color: #7a1f1f;
}

.form-field.has-error .form-error {
    display: block;
}

.form-consent {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.88rem;
    color: var(--color-text-secondary);
}

.form-consent input {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    accent-color: var(--color-green);
}

.form-consent a {
    color: var(--color-green);
    text-decoration: underline;
    font-weight: 600;
}

.form-submit-row {
    margin-top: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-status {
    display: none;
    padding: 16px 18px;
    border-radius: var(--radius);
    font-size: 0.92rem;
    font-weight: 500;
}

.form-status.is-visible {
    display: block;
}

.form-status--success {
    background: rgba(12, 43, 38, 0.08);
    border: 1px solid var(--color-green);
    color: var(--color-green);
}

.form-status--error {
    background: rgba(122, 31, 31, 0.08);
    border: 1px solid #7a1f1f;
    color: #7a1f1f;
}

.form-aside {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    justify-content: center;
}

.form-aside__item {
    display: flex;
    gap: var(--space-sm);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.form-aside__item:last-child {
    border-bottom: none;
}

.form-aside__label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-secondary);
    display: block;
    margin-bottom: 4px;
}

.form-aside__value {
    font-weight: 600;
    font-size: 1.05rem;
}

/* ---------- Підвал ---------- */
.site-footer {
    background: var(--color-green);
    color: var(--color-white);
    padding-block: var(--space-2xl) var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.8fr 1fr 1fr;
    gap: var(--space-lg);
}

.footer-logo img {
    height: 26px;
    margin-bottom: var(--space-sm);
}

.footer-grid p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.92rem;
}

.footer-col h4 {
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
    font-weight: 700;
}

.footer-col ul {
    display: grid;
    gap: 10px;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.92rem;
    transition: color var(--speed-base);
}

.footer-col a:hover {
    color: var(--color-white);
}

.footer-bottom {
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-white-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: underline;
}

/* ---------- Модальне вікно (політика конфіденційності) ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    z-index: 1000;
}

.modal-overlay.is-open {
    display: flex;
}

.modal {
    background: var(--color-white);
    border-radius: var(--radius);
    max-width: 640px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    padding: var(--space-lg);
    position: relative;
}

.modal__close {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: transparent;
    font-size: 1.2rem;
}

.modal h2 {
    font-size: 1.5rem;
    padding-right: var(--space-lg);
}

.modal p {
    margin-top: var(--space-sm);
    color: var(--color-text-secondary);
}

.modal p + p {
    margin-top: var(--space-sm);
}

body.no-scroll {
    overflow: hidden;
}

/* ---------- Сторінка "Про нас" ---------- */
.intro-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.principle-item {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.principle-item__num {
    font-weight: 700;
    color: var(--color-green);
    flex-shrink: 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-md);
}

.value-card {
    text-align: center;
    padding: var(--space-md);
}

.value-card__icon {
    width: 56px;
    height: 56px;
    margin-inline: auto;
    margin-bottom: var(--space-sm);
    border: 1px solid var(--color-white-border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.team-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.team-card__photo {
    aspect-ratio: 4 / 5;
    overflow: hidden;
}

.team-card__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-card__body {
    padding: var(--space-md);
}

.team-card__role {
    color: var(--color-green);
    font-weight: 600;
    font-size: 0.92rem;
    margin-top: 4px;
}

.team-card__meta {
    margin-top: var(--space-sm);
    display: grid;
    gap: 4px;
    font-size: 0.88rem;
    color: var(--color-text-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    text-align: center;
}

.stat-card__value {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--color-green);
    display: block;
}

.stat-card__label {
    margin-top: var(--space-xs);
    color: var(--color-text-secondary);
    font-size: 0.92rem;
}

/* ---------- Сторінка "Послуги" ---------- */
.service-toc {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.service-toc a {
    padding: 10px 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 0.88rem;
    font-weight: 600;
    transition: background var(--speed-base), color var(--speed-base);
}

.service-toc a:hover {
    background: var(--color-green);
    color: var(--color-white);
}

.service-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
    padding-block: var(--space-xl);
    border-top: 1px solid var(--color-border);
    scroll-margin-top: calc(var(--header-height) + var(--space-md));
}

.service-detail:first-of-type {
    border-top: none;
}

.service-detail__examples {
    margin-top: var(--space-md);
    display: grid;
    gap: 10px;
}

.service-detail__examples li {
    display: flex;
    gap: 10px;
    color: var(--color-text-secondary);
}

.service-detail__examples li::before {
    content: "";
    flex-shrink: 0;
    width: 6px;
    height: 6px;
    margin-top: 9px;
    background: var(--color-green);
}

.service-detail .btn {
    margin-top: var(--space-md);
}

.service-note {
    margin-top: var(--space-md);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    border-left: 2px solid var(--color-border);
    padding-left: var(--space-sm);
}

/* ---------- Сторінка "Контакти" ---------- */
.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.contact-info-list {
    display: grid;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.contact-info-item__label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.contact-info-item__value {
    font-size: 1.15rem;
    font-weight: 600;
}

.contact-info-item__value a:hover {
    text-decoration: underline;
}

.map-block {
    margin-top: var(--space-2xl);
}

.map-frame {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 16 / 8;
}

.map-frame iframe {
    width: 100%;
    height: 100%;
    border: 0;
    filter: grayscale(0.15);
}

.map-actions {
    margin-top: var(--space-md);
}

/* ==========================================================================
   Адаптивність
   ========================================================================== */

@media (max-width: 1200px) {
    :root {
        --space-2xl: 80px;
        --space-3xl: 110px;
    }

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

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

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

@media (max-width: 992px) {
    :root {
        --header-height: 84px;
        --header-height-compact: 64px;
        --space-2xl: 64px;
    }

    .main-nav {
        display: none;
    }

    .burger {
        display: flex;
    }

    .header-actions .header-phone,
    .header-actions .btn {
        display: none;
    }

    .hero__grid,
    .about-split,
    .intro-split,
    .form-section,
    .contacts-grid,
    .service-detail {
        grid-template-columns: 1fr;
    }

    .hero__media {
        order: -1;
        aspect-ratio: 16 / 10;
    }

    .about-split__media {
        aspect-ratio: 16 / 10;
    }

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

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

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

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

@media (max-width: 768px) {
    :root {
        --space-2xl: 56px;
        --space-lg: 32px;
    }

    .site-header__inner {
        height: var(--header-height-compact);
    }

    .logo img {
        height: 22px;
    }

    .hero {
        padding-top: calc(var(--header-height-compact) + var(--space-lg));
    }

    .advantages,
    .steps,
    .stats-grid,
    .services-grid,
    .reviews-grid,
    .team-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero__actions .btn,
    .final-cta .btn {
        width: 100%;
    }

    .service-toc {
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .container {
        width: min(100% - 32px, var(--container-width));
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .form-panel {
        padding: var(--space-md);
    }

    .reason-item {
        flex-direction: column;
    }

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

/* ---------- Мобільне меню (оверлей) ---------- */
@media (max-width: 992px) {
    .mobile-nav {
        position: fixed;
        inset: 0;
        top: var(--header-height-compact);
        background: var(--color-green);
        transform: translateX(100%);
        transition: transform var(--speed-slow);
        z-index: 400;
        overflow-y: auto;
        padding: var(--space-lg) var(--space-md);
    }

    .mobile-nav.is-open {
        transform: translateX(0);
    }

    .mobile-nav__list {
        display: grid;
        gap: var(--space-sm);
    }

    .mobile-nav__link {
        display: block;
        color: var(--color-white);
        font-size: 1.4rem;
        font-weight: 600;
        padding-block: var(--space-xs);
        border-bottom: 1px solid var(--color-white-border);
    }

    .mobile-nav__link[aria-current="page"] {
        color: rgba(255, 255, 255, 0.65);
    }

    .mobile-nav__contact {
        margin-top: var(--space-lg);
        display: grid;
        gap: var(--space-sm);
    }
}

@media (min-width: 993px) {
    .mobile-nav {
        display: none;
    }
}

/* ==========================================================================
   Анімації появи блоків при прокрутці та фірмові градієнти (головна сторінка)
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(48px);
    transition: opacity 0.9s cubic-bezier(0.16, 0.8, 0.24, 1), transform 0.9s cubic-bezier(0.16, 0.8, 0.24, 1);
    transition-delay: var(--reveal-delay, 0s);
    will-change: transform, opacity;
}

.reveal.is-in-view {
    opacity: 1;
    transform: none;
}

.reveal--left {
    transform: translateX(-64px);
}

.reveal--right {
    transform: translateX(64px);
}

.reveal--scale {
    transform: translateY(24px) scale(0.94);
}

.reveal--fade {
    transform: translateY(16px);
}

@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal--left,
    .reveal--right,
    .reveal--scale,
    .reveal--fade {
        transition: none;
        opacity: 1;
        transform: none;
    }
}

/* ---------- Фірмовий рухомий градієнт для темних секцій головної ---------- */
@keyframes gradientDrift {
    0% {
        background-position: 0% 30%;
    }
    50% {
        background-position: 100% 70%;
    }
    100% {
        background-position: 30% 100%;
    }
}

@keyframes glowDrift {
    0% {
        transform: translate(0, 0) scale(1);
    }
    100% {
        transform: translate(3%, -3%) scale(1.08);
    }
}

.hero.gradient-surface,
.section--dark.gradient-surface {
    background: linear-gradient(125deg, #0c2b26 0%, #071c18 45%, #000000 100%);
    background-size: 240% 240%;
    animation: gradientDrift 20s ease-in-out infinite alternate;
}

.hero.gradient-surface {
    position: relative;
    overflow: hidden;
}

.hero.gradient-surface::before {
    content: "";
    position: absolute;
    inset: -20%;
    background:
        radial-gradient(circle at 25% 20%, rgba(255, 255, 255, 0.1), transparent 55%),
        radial-gradient(circle at 80% 75%, rgba(255, 255, 255, 0.06), transparent 50%);
    animation: glowDrift 16s ease-in-out infinite alternate;
    pointer-events: none;
    z-index: 0;
}

.hero.gradient-surface .container {
    position: relative;
    z-index: 1;
}

@media (prefers-reduced-motion: reduce) {
    .hero.gradient-surface,
    .section--dark.gradient-surface,
    .hero.gradient-surface::before {
        animation: none;
    }
}

/* ---------- Декоративна градієнтна риска перед підзаголовками ---------- */
.section-kicker {
    display: block;
    width: 56px;
    height: 3px;
    margin-bottom: var(--space-sm);
    background: linear-gradient(90deg, var(--color-green), rgba(12, 43, 38, 0));
    border-radius: var(--radius);
}

.section-kicker--light {
    background: linear-gradient(90deg, var(--color-white), rgba(255, 255, 255, 0));
}

/* ---------- Градієнтний акцент для великих цифр ---------- */
.step-card__number,
.stat-card__value {
    background: linear-gradient(135deg, var(--color-green) 0%, #1f5548 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ---------- Градієнтне світіння карток при наведенні ---------- */
.advantage-card,
.service-card,
.review-card {
    position: relative;
    overflow: hidden;
}

.advantage-card::before,
.service-card::before,
.review-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(150deg, rgba(12, 43, 38, 0.1), transparent 60%);
    opacity: 0;
    transition: opacity var(--speed-base);
    pointer-events: none;
}

.advantage-card:hover::before,
.service-card:hover::before,
.review-card:hover::before {
    opacity: 1;
}