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

:root {
    --color-primary: #b49b78;
    --color-primary-dark: #96805f;
    --color-primary-light: #d4c4a8;
    --color-dark: #1a1a1a;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-bg: #ffffff;
    --color-bg-gray: #f8f7f5;
    --color-bg-dark: #1a1a1a;
    --color-border: #e8e4df;
    --color-white: #ffffff;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --container-max: 1200px;
    --header-height: 80px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

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

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

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

ul, ol {
    list-style: none;
}

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

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 72px 0;
}

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

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

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 44px;
}

.section__label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: 16px;
}

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

.section__subtitle {
    font-size: 17px;
    color: var(--color-text-light);
    line-height: 1.6;
}

.section--dark .section__subtitle {
    color: rgba(255,255,255,0.7);
}

.highlight {
    color: var(--color-primary);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
    gap: 8px;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 14px 28px;
    font-size: 15px;
}

.btn--primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(180,155,120,0.4);
}

.btn--outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    padding: 12px 26px;
    font-size: 15px;
}

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn--outline-light {
    border: 2px solid var(--color-white);
    color: var(--color-white);
    padding: 12px 26px;
    font-size: 15px;
}

.btn--outline-light:hover {
    background: var(--color-white);
    color: var(--color-dark);
}

.btn--sm {
    padding: 10px 20px;
    font-size: 14px;
}

.btn--lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn--full {
    width: 100%;
    padding: 16px 32px;
    font-size: 16px;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    transition: all var(--transition);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo__name {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
    color: var(--color-dark);
}

.logo__sub {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-primary);
    font-weight: 500;
}

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

.nav__link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition);
}

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

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

.header__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    font-size: 13px;
    font-weight: 600;
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all var(--transition);
}

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

.header__phone {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-dark);
}

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

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 56px;
    min-height: 75vh;
    display: flex;
    align-items: center;
}

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

.hero__inner--centered {
    grid-template-columns: 1fr;
    text-align: center;
}

.hero__inner--centered .hero__content {
    max-width: 750px;
    margin: 0 auto;
}

.hero__inner--centered .hero__text {
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 32px;
}

.hero__inner--centered .hero__buttons {
    justify-content: center;
}

.hero__inner--centered .hero__features {
    justify-content: center;
}

.hero__tagline {
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 600;
    line-height: 1.15;
    color: var(--color-dark);
    margin-bottom: 20px;
}

.hero__text {
    font-size: 18px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero__features {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.hero__feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-light);
}

.hero__feature-icon {
    font-size: 20px;
}

/* ===== ABOUT ===== */
.about__content-block {
    max-width: 800px;
    margin: 0 auto;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 32px 0;
}

.stat {
    text-align: center;
    padding: 20px;
    background: var(--color-bg-gray);
    border-radius: var(--radius-sm);
}

.stat__number {
    display: block;
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-primary);
}

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

.about__text {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 16px;
    line-height: 1.7;
}

.about__list {
    margin: 24px 0 32px;
}

.about__list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    font-size: 15px;
    color: var(--color-text);
}

.about__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

/* ===== SERVICES ===== */
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.service-card__icon {
    color: var(--color-primary);
    margin-bottom: 20px;
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-dark);
}

.service-card__text {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.service-card__list {
    margin-bottom: 20px;
}

.service-card__list li {
    font-size: 13px;
    color: var(--color-text);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.service-card__list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.service-card__link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    transition: all var(--transition);
}

.service-card__link:hover {
    color: var(--color-primary-dark);
    letter-spacing: 0.5px;
}

/* ===== TECHNOLOGY ===== */
.technology__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.tech-card {
    display: flex;
    gap: 20px;
    padding: 28px;
    background: var(--color-bg-gray);
    border-radius: var(--radius);
    transition: all var(--transition);
}

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

.tech-card__icon {
    font-size: 36px;
    flex-shrink: 0;
}

.tech-card__title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.tech-card__text {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ===== PROCESS ===== */
.process__steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    position: relative;
}

.process__steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--color-primary-light);
}

.process__step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.process__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.process__title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.process__text {
    font-size: 13px;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* ===== PRICING ===== */
.pricing__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.pricing__category {
    background: var(--color-bg-gray);
    border-radius: var(--radius);
    padding: 28px;
    border: 1px solid var(--color-border);
}

.pricing__category-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-primary-light);
    color: var(--color-dark);
}

.pricing__item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

.pricing__item:last-child {
    border-bottom: none;
}

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

.pricing__price {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary-dark);
    white-space: nowrap;
    margin-left: 12px;
}

.pricing__note {
    text-align: center;
    margin-top: 32px;
    font-size: 14px;
    color: var(--color-text-light);
    font-style: italic;
}

/* ===== RESULTS ===== */
.results__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.result-card {
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
}

.result-card__images {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.result-card__before,
.result-card__after {
    position: relative;
}

.result-card__label {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.result-card__placeholder {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(180,155,120,0.1);
    color: rgba(255,255,255,0.4);
    font-size: 13px;
}

.result-card__desc {
    padding: 16px 20px;
    font-size: 14px;
    color: rgba(255,255,255,0.8);
}

/* ===== TESTIMONIALS ===== */
.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.testimonial-card {
    background: var(--color-bg-gray);
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--color-border);
}

.testimonial-card__stars {
    color: var(--color-primary);
    font-size: 18px;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.testimonial-card__text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.testimonial-card__name {
    font-weight: 600;
    font-size: 15px;
    color: var(--color-dark);
}

.testimonial-card__service {
    font-size: 13px;
    color: var(--color-primary);
}

/* ===== FAQ ===== */
.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

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

.faq__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-dark);
    text-align: left;
    gap: 16px;
}

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

.faq__icon {
    flex-shrink: 0;
    transition: transform var(--transition);
}

.faq__item.active .faq__icon {
    transform: rotate(180deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq__item.active .faq__answer {
    max-height: 300px;
    padding-bottom: 20px;
}

.faq__answer p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== CTA ===== */
.cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

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

.cta__title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 600;
    margin-bottom: 16px;
}

.cta__text {
    font-size: 17px;
    opacity: 0.9;
    margin-bottom: 32px;
    line-height: 1.6;
}

.cta__buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== CONTACT ===== */
.contact__inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact__item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
}

.contact__icon {
    font-size: 24px;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
}

.contact__item h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-dark);
}

.contact__item p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.5;
}

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

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

.contact__form {
    background: var(--color-white);
    padding: 36px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.contact__form-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--color-dark);
}

.form__group {
    margin-bottom: 20px;
}

.form__label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--color-text);
}

.form__input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: var(--font-body);
    transition: border-color var(--transition);
    background: var(--color-bg);
}

.form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(180,155,120,0.1);
}

.form__textarea {
    min-height: 100px;
    resize: vertical;
}

.form__note {
    margin-top: 12px;
    font-size: 12px;
    color: var(--color-text-light);
    text-align: center;
}

.contact__map {
    margin-top: 48px;
}

.contact__map-placeholder {
    width: 100%;
    height: 300px;
    background: var(--color-white);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    color: var(--color-text-light);
    font-size: 14px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255,255,255,0.8);
    padding: 60px 0 0;
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.footer__desc {
    font-size: 14px;
    line-height: 1.6;
    margin-top: 16px;
    color: rgba(255,255,255,0.6);
}

.footer__social {
    display: flex;
    gap: 16px;
    margin-top: 20px;
}

.footer__social-link {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition);
}

.footer__social-link:hover {
    color: var(--color-primary);
}

.footer__title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer__link {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 10px;
    transition: color var(--transition);
}

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

.footer__contact {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    line-height: 1.5;
    margin-bottom: 10px;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}

.footer__bottom-links {
    display: flex;
    gap: 24px;
}

.footer__bottom-links a {
    color: rgba(255,255,255,0.4);
    transition: color var(--transition);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .nav {
        gap: 20px;
    }

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

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

    .process__steps::before {
        display: none;
    }

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

@media (max-width: 768px) {
    .section {
        padding: 48px 0;
    }

    .nav {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
    }

    .nav.active {
        display: flex;
    }

    .nav__link {
        font-size: 16px;
        padding: 8px 0;
    }

    .burger {
        display: flex;
    }

    .header__phone {
        display: none;
    }

    .header__cta {
        display: none;
    }

    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + 40px);
        padding-bottom: 60px;
    }

    .hero__buttons {
        flex-direction: column;
    }

    .hero__features {
        flex-direction: column;
        gap: 16px;
    }

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

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

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

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

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

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

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

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

    .footer__bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .cta__buttons {
        flex-direction: column;
        align-items: center;
    }
}

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

    .hero__title {
        font-size: 32px;
    }

    .contact__form {
        padding: 24px;
    }
}