/* ======== GLOBAL STYLES ======== */

/* Root variables */
:root {
    --font-main: 'Lato', sans-serif;
    --font-headings: 'Montserrat', sans-serif;
    --color-bg: #F8F9FA;
    --color-text: #2C3E50;
    --color-primary: #1ABC9C;
    --color-primary-dark: #16A085;
    --color-white: #FFFFFF;
    --color-border: #EAECEE;
    --container-width: 1200px;
    --container-padding: 15px;
}

/* Base resets and styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background-color: transparent;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ======== HEADER ======== */
.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.header__logo {
    font-family: var(--font-headings);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
}

.header__nav-list {
    display: flex;
    align-items: center;
    gap: 30px;
}

.header__nav-link {
    font-weight: 700;
    position: relative;
    padding-bottom: 5px;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.header__nav-link:hover::after {
    width: 100%;
}

.header__nav-link--button {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.header__nav-link--button:hover {
    background-color: var(--color-primary-dark);
}

.header__nav-link--button::after {
    display: none;
}

.header__burger-menu {
    display: none;
    color: var(--color-text);
}


/* ======== FOOTER ======== */
.footer {
    background-color: #2C3E50;
    color: #BDC3C7;
    padding: 60px 0;
    font-size: 14px;
}

.footer__container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer__logo {
    font-family: var(--font-headings);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-white);
    display: inline-block;
    margin-bottom: 15px;
}

.footer__copyright {
    color: #7F8C8D;
}

.footer__title {
    font-family: var(--font-headings);
    font-size: 18px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 20px;
}

.footer__list-item {
    margin-bottom: 10px;
}

.footer__link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.footer__list--contacts .footer__list-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer__icon {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
}

/* ======== ADAPTIVE STYLES ======== */
@media (max-width: 992px) {
    .footer__container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header__nav {
        display: none; /* Будет управляться через JS */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    }

    .header__nav--active {
        display: block;
    }

    .header__nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .header__nav-item {
        border-bottom: 1px solid var(--color-border);
    }

    .header__nav-link {
        display: block;
        padding: 15px var(--container-padding);
        text-align: center;
    }

    .header__nav-link::after {
        display: none;
    }

    .header__nav-link--button {
        margin: 15px;
    }

    .header__burger-menu {
        display: block;
    }
}

@media (max-width: 576px) {
    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__list--contacts .footer__list-item {
        justify-content: center;
    }
}

/* ======== BUTTONS ======== */
.button {
    display: inline-block;
    padding: 12px 28px;
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    border-radius: 5px;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.button:hover {
    transform: translateY(-3px);
}

.button--primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.button--primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

/* ======== HERO SECTION ======== */
.hero {
    padding: 80px 0;
    overflow: hidden; /* Важно для анимаций */
}

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

.hero__title {
    font-family: var(--font-headings);
    font-size: 42px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 20px;
}

/* Стили для анимации текста */
.hero__title [data-word] {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.hero__title [data-word].visible {
    opacity: 1;
    transform: translateY(0);
}


.hero__subtitle {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 30px;
    max-width: 500px;
}

.hero__image-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__image {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(44, 62, 80, 0.1);
}

/* ======== ADAPTIVE STYLES (дополнения) ======== */
@media (max-width: 992px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__content {
        order: 2; /* Текст будет под картинкой */
    }

    .hero__image-wrapper {
        order: 1;
    }

    .hero__subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__title {
        font-size: 36px;
    }
}

@media (max-width: 576px) {
    .hero__title {
        font-size: 28px;
    }

    .hero__subtitle {
        font-size: 16px;
    }
}

/* ======== REUSABLE SECTION STYLES ======== */
.section-title {
    font-family: var(--font-headings);
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
    color: #5D6D7E; /* Slightly muted text color */
}

/* ======== STRATEGIES SECTION ======== */
.strategies {
    padding: 80px 0;
    background-color: var(--color-white); /* A slight contrast with body bg */
}

.strategies__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.strategies__card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    
    /* Animation styles */
    opacity: 0;
    transform: translateY(20px);
}

.strategies__card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.strategies__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(44, 62, 80, 0.08);
}

.strategies__card-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-white);
    margin-bottom: 20px;
}

.strategies__card-icon svg {
    width: 30px;
    height: 30px;
}

.strategies__card-title {
    font-family: var(--font-headings);
    font-size: 22px;
    margin-bottom: 10px;
}

.strategies__card-description {
    font-size: 15px;
    line-height: 1.7;
}

/* ======== ADAPTIVE STYLES (дополнения) ======== */
@media (max-width: 992px) {
    .strategies__grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 32px;
    }
}

@media (max-width: 576px) {
    .strategies {
        padding: 60px 0;
    }

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

    .section-subtitle {
        font-size: 16px;
    }
}

/* ======== REUSABLE SECTION STYLES (дополнения) ======== */
.section-title--left {
    text-align: left;
}

/* ======== MARKET ANALYSIS SECTION ======== */
.market {
    padding: 80px 0;
    background-color: var(--color-bg);
}

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

.market__description {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 30px;
}

.market__list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.market__list-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 700;
}

.market__list-item svg {
    color: var(--color-primary);
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.market__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.market__graph {
    width: 100%;
    max-width: 400px;
    height: 300px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    gap: 15px;
    align-items: flex-end;
    justify-content: space-around;
}

.market__graph-bar {
    width: 15%;
    height: 0; /* Initial height for animation */
    background-color: #EAECEE;
    border-radius: 4px 4px 0 0;
    transition: height 1s cubic-bezier(0.25, 1, 0.5, 1), background-color 0.3s ease;
}

.market__graph-bar:hover {
    background-color: var(--color-primary-dark);
}

.market__visual.visible .market__graph-bar {
    height: var(--bar-height);
}

/* Ступенчатая анимация для столбцов */
.market__visual.visible .market__graph-bar:nth-child(1) { transition-delay: 0s; }
.market__visual.visible .market__graph-bar:nth-child(2) { transition-delay: 0.1s; background-color: #D4E6F1; }
.market__visual.visible .market__graph-bar:nth-child(3) { transition-delay: 0.2s; }
.market__visual.visible .market__graph-bar:nth-child(4) { transition-delay: 0.3s; background-color: #A9CCE3; }
.market__visual.visible .market__graph-bar:nth-child(5) { transition-delay: 0.4s; }

/* ======== ADAPTIVE STYLES (дополнения) ======== */
@media (max-width: 992px) {
    .market__container {
        grid-template-columns: 1fr;
    }

    .section-title--left {
        text-align: center;
    }

    .market__visual {
        margin-top: 40px;
    }
}

/* ======== CASES SECTION ======== */
.cases {
    padding: 80px 0;
    background-color: var(--color-white);
}

.cases__nav {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.cases__nav-button {
    padding: 10px 25px;
    font-size: 16px;
    font-weight: 600;
    border: 2px solid var(--color-border);
    border-radius: 50px;
    background-color: transparent;
    color: var(--color-text);
    transition: all 0.3s ease;
}

.cases__nav-button:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.cases__nav-button--active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.cases__content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-bg);
    padding: 40px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.cases__content-panel {
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.cases__content-panel--active {
    display: block;
}

.cases__panel-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
    text-align: center;
    flex-wrap: wrap;
}

.cases__panel-title svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.cases__panel-results {
    list-style-type: none;
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.cases__panel-results li {
    line-height: 1.6;
}

.cases__panel-results strong {
    color: var(--color-text);
}

.cases__panel-quote {
    font-style: italic;
    text-align: center;
    border-left: 3px solid var(--color-primary);
    padding-left: 20px;
    color: #5D6D7E;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ======== ADAPTIVE STYLES (дополнения) ======== */
@media (max-width: 576px) {
    .cases__content {
        padding: 25px;
    }
    .cases__panel-title {
        font-size: 20px;
        gap: 10px;
    }
}

/* ======== TOOLS SECTION ======== */
.tools {
    padding: 80px 0;
    background-color: var(--color-bg);
}

.tools__accordion {
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden; /* To clip the corners of items */
}

.tools__accordion-item {
    border-bottom: 1px solid var(--color-border);
}

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

.tools__accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background-color: var(--color-white);
    text-align: left;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
}

.tools__accordion-header:hover {
    background-color: #fdfdfd;
}

.tools__accordion-title {
    margin-right: 15px;
}

.tools__accordion-icon {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.tools__accordion-content {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.4s cubic-bezier(0.25, 1, 0.5, 1), padding 0.4s ease;
}

.tools__accordion-description {
    padding: 0 25px;
    line-height: 1.7;
    color: #5D6D7E;
}

/* Active state for accordion item */
.tools__accordion-item--active .tools__accordion-header {
    color: var(--color-primary);
}

.tools__accordion-item--active .tools__accordion-icon {
    transform: rotate(180deg);
}

.tools__accordion-item--active .tools__accordion-content {
    /* A bit of JS will set this max-height dynamically */
    padding-top: 5px;
    padding-bottom: 25px;
}

/* ======== UTILITY CLASSES ======== */
.is-hidden {
    display: none !important;
}

/* ======== CONTACT SECTION ======== */
.contact {
    padding: 80px 0;
}

.contact__form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-weight: 700;
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--color-border);
    border-radius: 5px;
    font-size: 16px;
    font-family: var(--font-main);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 188, 156, 0.2);
}

.form-group--checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group--checkbox input[type="checkbox"] {
    width: 1.2em;
    height: 1.2em;
    accent-color: var(--color-primary);
}

.form-label-checkbox {
    font-size: 14px;
}

.form-label-checkbox a {
    color: var(--color-primary);
    text-decoration: underline;
}

.contact__form-button {
    width: 100%;
    padding: 15px;
    font-size: 18px;
}

.form-success-message {
    text-align: center;
    padding: 20px;
}

.form-success-message svg {
    color: var(--color-primary);
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.form-success-message h3 {
    font-family: var(--font-headings);
    font-size: 24px;
    margin-bottom: 10px;
}

/* ======== COOKIE POPUP ======== */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background-color: var(--color-text);
    color: var(--color-white);
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    z-index: 2000;
    
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;

    transform: translateY(200%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.cookie-popup.is-visible {
    transform: translateY(0);
}

.cookie-popup__text {
    font-size: 14px;
}

.cookie-popup__text a {
    color: var(--color-primary);
    text-decoration: underline;
}

.cookie-popup__button {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 8px 18px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap; /* Prevent button text from wrapping */
    transition: background-color 0.3s ease;
}

.cookie-popup__button:hover {
    background-color: var(--color-primary-dark);
}

@media (max-width: 768px) {
    .cookie-popup {
        flex-direction: column;
        text-align: center;
        bottom: 10px;
        left: 10px;
        right: 10px;
    }
}

/* ======== POLICY PAGES ======== */
.pages {
    padding: 60px 0;
    background-color: var(--color-white);
}

.pages .container {
    max-width: 800px; /* Narrower container for better readability */
}

.pages h1 {
    font-family: var(--font-headings);
    font-size: 40px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 15px;
}

.pages h2 {
    font-family: var(--font-headings);
    font-size: 28px;
    margin-top: 40px;
    margin-bottom: 20px;
}

.pages p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.pages ul {
    list-style: disc;
    padding-left: 25px;
    margin-bottom: 20px;
}

.pages li {
    margin-bottom: 10px;
    line-height: 1.8;
}

.pages a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.3s ease;
}

.pages a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.pages strong {
    font-weight: 700;
    color: var(--color-text);
}