:root {
    --primary-600: #2563EB;
    --primary-700: #1D4ED8;
    --secondary-600: #7C3AED;
    --secondary-700: #6D28D9;
    --success-500: #10B981;
    --success-600: #059669;
    --warning-500: #F59E0B;
    --warning-600: #D97706;
    --error-500: #EF4444;
    --error-600: #DC2626;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --white: #FFFFFF;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container--narrow {
    max-width: 800px;
}

.section {
    padding: 5rem 0;
}

.section--gray {
    background-color: var(--gray-50);
}

.section--no-padding {
    padding: 0;
}

.section__header {
    text-align: center;
    margin-bottom: 3rem;
}

.section__title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--gray-100);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.nav__logo-icon {
    flex-shrink: 0;
}

.nav__list {
    display: flex;
    gap: 2rem;
}

.nav__link {
    font-weight: 500;
    color: var(--gray-600);
    position: relative;
    padding: 0.5rem 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
    transition: var(--transition);
}

.nav__link:hover,
.nav__link.active {
    color: var(--primary-600);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__toggle,
.nav__close {
    display: none;
    padding: 0.5rem;
    color: var(--gray-700);
}

@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--white);
        box-shadow: var(--shadow-xl);
        padding: 5rem 2rem 2rem;
        transition: var(--transition);
        z-index: 1001;
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 1.5rem;
    }

    .nav__link {
        font-size: 1.125rem;
    }

    .nav__toggle,
    .nav__close {
        display: block;
    }

    .nav__close {
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
    color: var(--white);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn--secondary {
    background-color: var(--white);
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

.btn--secondary:hover {
    border-color: var(--primary-600);
    color: var(--primary-600);
}

.btn--light {
    background-color: var(--white);
    color: var(--primary-600);
    box-shadow: var(--shadow-md);
}

.btn--light:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--full {
    width: 100%;
}

.btn__loading {
    display: none;
}

.btn.loading .btn__text {
    visibility: hidden;
}

.btn.loading .btn__loading {
    display: block;
    position: absolute;
}

.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero__background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

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

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.85), rgba(37, 99, 235, 0.7));
}

.hero__content {
    color: var(--white);
    max-width: 700px;
    padding: 2rem 0;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero__description {
    font-size: 1.25rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero__title {
        font-size: 2.5rem;
    }

    .hero__description {
        font-size: 1.125rem;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .hero__buttons .btn {
        width: 100%;
    }
}

.page-hero {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
}

.page-hero--small {
    min-height: 300px;
}

.page-hero__background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.page-hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.85), rgba(37, 99, 235, 0.7));
}

.page-hero__gradient {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
}

.page-hero__content {
    text-align: center;
    color: var(--white);
    padding: 2rem;
}

.page-hero__title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.page-hero__subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .page-hero {
        min-height: 300px;
    }

    .page-hero__title {
        font-size: 2rem;
    }

    .page-hero__subtitle {
        font-size: 1rem;
    }
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card__icon {
    display: inline-flex;
    margin-bottom: 1.5rem;
}

.service-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.service-card__description {
    color: var(--gray-500);
    line-height: 1.7;
}

.features__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.features__text .section__title {
    text-align: left;
}

.features__text .section__subtitle {
    text-align: left;
    margin: 0 0 2rem 0;
}

.features__list {
    margin-bottom: 2rem;
}

.features__item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    font-size: 1.0625rem;
    color: var(--gray-700);
}

.features__check {
    flex-shrink: 0;
}

.features__image {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

@media (max-width: 768px) {
    .features__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .features__image {
        order: -1;
    }
}

.stats {
    background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.stat-card {
    text-align: center;
    color: var(--white);
    padding: 1.5rem;
}

.stat-card__number {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    display: inline;
}

.stat-card__plus,
.stat-card__percent {
    font-size: 2rem;
    font-weight: 700;
}

.stat-card__label {
    font-size: 1rem;
    opacity: 0.9;
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .stats__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-card__number {
        font-size: 2.5rem;
    }
}

.cta {
    background: linear-gradient(135deg, var(--gray-900), var(--gray-800));
}

.cta__content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta__title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta__description {
    font-size: 1.125rem;
    color: var(--gray-300);
    margin-bottom: 2rem;
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about__text .section__title {
    text-align: left;
}

.about__text p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about__image {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

@media (max-width: 768px) {
    .about__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about__image {
        order: -1;
    }
}

.mission__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.mission__card {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.mission__icon {
    display: inline-flex;
    margin-bottom: 1.5rem;
}

.mission__title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.mission__description {
    color: var(--gray-500);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .mission__grid {
        grid-template-columns: 1fr;
    }
}

.team__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.team-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.team-card__image {
    height: 280px;
    overflow: hidden;
}

.team-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.team-card:hover .team-card__image img {
    transform: scale(1.05);
}

.team-card__content {
    padding: 1.5rem;
    text-align: center;
}

.team-card__name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.team-card__role {
    color: var(--primary-600);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.team-card__bio {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.6;
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-xl);
}

.testimonial-card__rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.testimonial-card__quote {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-card__avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-card__name {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.125rem;
}

.testimonial-card__company {
    font-size: 0.875rem;
    color: var(--gray-500);
}

@media (max-width: 768px) {
    .testimonials__grid {
        grid-template-columns: 1fr;
    }
}

.clients__logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    align-items: center;
}

.client-logo {
    opacity: 0.7;
    transition: var(--transition);
}

.client-logo:hover {
    opacity: 1;
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact__description {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact__cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-info-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background-color: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.contact-info-card:hover {
    background-color: var(--gray-100);
}

.contact-info-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
    border-radius: var(--radius-md);
    color: var(--white);
    flex-shrink: 0;
}

.contact-info-card__content h4 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.contact-info-card__content p,
.contact-info-card__content a {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.contact-info-card__content a:hover {
    color: var(--primary-600);
}

.contact__form-wrapper {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group--checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-label--checkbox {
    margin-bottom: 0;
    font-weight: 400;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.form-label--checkbox a {
    color: var(--primary-600);
    text-decoration: underline;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: var(--transition);
    background-color: var(--white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-600);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: var(--error-500);
}

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

.form-checkbox {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--primary-600);
}

.form-error {
    display: block;
    color: var(--error-500);
    font-size: 0.875rem;
    margin-top: 0.375rem;
}

.form-success {
    display: none;
    text-align: center;
    padding: 2rem;
}

.form-success.show {
    display: block;
}

.form-success svg {
    margin: 0 auto 1rem;
}

.form-success h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.form-success p {
    color: var(--gray-500);
}

@media (max-width: 768px) {
    .contact__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact__form-wrapper {
        padding: 1.5rem;
    }
}

.legal__content {
    line-height: 1.8;
}

.legal__section {
    margin-bottom: 2.5rem;
}

.legal__section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--gray-100);
}

.legal__section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 1.5rem 0 0.75rem;
}

.legal__section p {
    margin-bottom: 1rem;
    color: var(--gray-600);
}

.legal__section ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.legal__section li {
    margin-bottom: 0.75rem;
    color: var(--gray-600);
    list-style: disc;
}

.legal__section address {
    font-style: normal;
    background-color: var(--gray-50);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin: 1rem 0;
}

.legal__updated {
    font-style: italic;
    color: var(--gray-500);
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.footer {
    background-color: var(--gray-900);
    color: var(--gray-300);
    padding: 4rem 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--gray-700);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer__description {
    font-size: 0.9375rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1.25rem;
}

.footer__list li {
    margin-bottom: 0.75rem;
}

.footer__list a {
    color: var(--gray-400);
    font-size: 0.9375rem;
}

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

.footer__contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer__contact-item svg {
    flex-shrink: 0;
    color: var(--primary-600);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    font-size: 0.875rem;
}

.footer__legal {
    display: flex;
    gap: 1rem;
    align-items: center;
}

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

.footer__legal span {
    color: var(--gray-600);
}

@media (max-width: 992px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .footer__logo {
        justify-content: center;
    }

    .footer__description {
        max-width: none;
    }

    .footer__contact-item {
        justify-content: center;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}