/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #F5F7FA;
    color: #1C1E21;
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }

/* ===== CSS VARIABLES ===== */
:root {
    --tg-blue: #2AABEE;
    --tg-blue-dark: #229ED9;
    --tg-blue-light: #E8F5FD;
    --tg-blue-glow: rgba(42, 171, 238, 0.25);
    --bg-primary: #F5F7FA;
    --bg-white: #FFFFFF;
    --bg-dark: #1B2735;
    --bg-darker: #0F1923;
    --text-primary: #1C1E21;
    --text-secondary: #65717B;
    --text-muted: #8E99A4;
    --text-white: #FFFFFF;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
    --shadow-card: 0 2px 12px rgba(0,0,0,0.05);
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --container: 1200px;
    --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* ===== SECTION BASE ===== */
.section {
    padding: 100px 0;
}
.section--alt {
    background: var(--bg-white);
}
.section__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--tg-blue-light);
    color: var(--tg-blue);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 20px;
}
.section__title {
    font-size: 40px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-primary);
}
.section__subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 640px;
    line-height: 1.7;
}
.section__header {
    text-align: center;
    margin-bottom: 60px;
}
.section__header .section__subtitle {
    margin: 0 auto;
}

/* ===== NAV ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(245, 247, 250, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.04);
    transition: var(--transition);
}
.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}
.nav__logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--tg-blue), var(--tg-blue-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav__logo-icon svg {
    width: 20px;
    height: 20px;
    fill: white;
}
.nav__links {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav__link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}
.nav__link:hover {
    color: var(--tg-blue);
}
.nav__cta {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    background: var(--tg-blue);
    color: white;
    font-weight: 500;
    font-size: 15px;
    border-radius: 50px;
    transition: var(--transition);
    cursor: pointer;
}
.nav__cta:hover {
    background: var(--tg-blue-dark);
    box-shadow: 0 4px 20px var(--tg-blue-glow);
}
.nav__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}
.nav__burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
    padding-top: 160px;
    padding-bottom: 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(42,171,238,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--tg-blue-light);
    color: var(--tg-blue);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 24px;
    border-radius: 50px;
    margin-bottom: 32px;
}
.hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--tg-blue);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.3); }
}
.hero__title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--text-primary);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.hero__title em {
    font-style: normal;
    background: linear-gradient(135deg, var(--tg-blue), #1B8FD1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero__desc {
    font-size: 19px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}
.hero__buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}
.btn--primary {
    background: var(--tg-blue);
    color: white;
    box-shadow: 0 4px 20px var(--tg-blue-glow);
}
.btn--primary:hover {
    background: var(--tg-blue-dark);
    box-shadow: 0 8px 32px rgba(42,171,238,0.35);
    transform: translateY(-2px);
}
.btn--outline {
    background: var(--bg-white);
    color: var(--text-primary);
    border: 2px solid rgba(0,0,0,0.08);
}
.btn--outline:hover {
    border-color: var(--tg-blue);
    color: var(--tg-blue);
    transform: translateY(-2px);
}
.btn--dark {
    background: var(--bg-dark);
    color: white;
}
.btn--dark:hover {
    background: #243447;
    transform: translateY(-2px);
}
.btn svg {
    width: 20px;
    height: 20px;
}
.hero__trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}
.hero__avatars {
    display: flex;
}
.hero__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    margin-left: -10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: white;
}
.hero__avatar:first-child { margin-left: 0; }
.hero__avatar--1 { background: #2AABEE; }
.hero__avatar--2 { background: #34C759; }
.hero__avatar--3 { background: #FF9500; }
.hero__avatar--4 { background: #AF52DE; }
.hero__avatar--5 { background: linear-gradient(135deg, var(--tg-blue), var(--tg-blue-dark)); font-size: 12px; }
.hero__trust-text {
    font-size: 15px;
    color: var(--text-secondary);
}
.hero__trust-text strong {
    color: var(--text-primary);
}

/* ===== STATS ===== */
.stats {
    padding: 80px 0;
    background: var(--bg-white);
}
.stats__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.stats__card {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
}
.stats__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.stats__icon {
    width: 56px;
    height: 56px;
    background: var(--tg-blue-light);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}
.stats__icon svg {
    width: 28px;
    height: 28px;
    fill: var(--tg-blue);
}
.stats__number {
    font-size: 40px;
    font-weight: 700;
    color: var(--tg-blue);
    line-height: 1;
    margin-bottom: 8px;
}
.stats__label {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== SERVICES ===== */
.services {
    padding: 100px 0;
}
.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.service-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.04);
}
.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.service-card__icon {
    width: 64px;
    height: 64px;
    background: var(--tg-blue-light);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.service-card__icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--tg-blue);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.service-card__title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}
.service-card__desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}
.service-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.service-card__tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    border-radius: 50px;
}

/* ===== WHY US ===== */
.why {
    padding: 100px 0;
    background: var(--bg-white);
}
.why__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.why__card {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    transition: var(--transition);
}
.why__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.why__num {
    font-size: 32px;
    font-weight: 800;
    color: var(--tg-blue);
    opacity: 0.3;
    margin-bottom: 12px;
    line-height: 1;
}
.why__card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}
.why__card-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== CASES ===== */
.cases {
    padding: 100px 0;
}
.cases__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.case-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.04);
    transition: var(--transition);
}
.case-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.case-card__header {
    padding: 32px 32px 0;
}
.case-card__industry {
    display: inline-block;
    padding: 6px 14px;
    background: var(--tg-blue-light);
    color: var(--tg-blue);
    font-size: 13px;
    font-weight: 500;
    border-radius: 50px;
    margin-bottom: 16px;
}
.case-card__name {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.case-card__location {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 20px;
}
.case-card__body {
    padding: 0 32px 32px;
}
.case-card__label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.case-card__text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}
.case-card__metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    padding: 20px;
}
.case-card__metric-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--tg-blue);
    line-height: 1;
    margin-bottom: 4px;
}
.case-card__metric-label {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

/* ===== PROCESS ===== */
.process {
    padding: 100px 0;
    background: var(--bg-white);
}
.process__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}
.process__grid::before {
    content: '';
    position: absolute;
    top: 44px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: linear-gradient(90deg, var(--tg-blue-light), var(--tg-blue), var(--tg-blue-light));
    z-index: 0;
}
.process__step {
    text-align: center;
    position: relative;
    z-index: 1;
}
.process__num {
    width: 88px;
    height: 88px;
    background: var(--bg-primary);
    border: 3px solid var(--tg-blue-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 28px;
    font-weight: 700;
    color: var(--tg-blue);
    transition: var(--transition);
}
.process__step:hover .process__num {
    background: var(--tg-blue);
    color: white;
    border-color: var(--tg-blue);
    box-shadow: 0 8px 24px var(--tg-blue-glow);
}
.process__step-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.process__step-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}
.process__step-time {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--tg-blue-light);
    color: var(--tg-blue);
    font-size: 13px;
    font-weight: 500;
    border-radius: 50px;
}

/* ===== BONUSES ===== */
.bonuses {
    padding: 100px 0;
}
.bonuses__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.bonus-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 32px;
    border: 1px solid rgba(0,0,0,0.04);
    transition: var(--transition);
}
.bonus-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.bonus-card__icon {
    width: 52px;
    height: 52px;
    background: var(--tg-blue-light);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 24px;
}
.bonus-card__title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}
.bonus-card__text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== FAQ ===== */
.faq {
    padding: 100px 0;
    background: var(--bg-white);
}
.faq__list {
    max-width: 800px;
    margin: 0 auto;
}
.faq__item {
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.faq__item:first-child {
    border-top: 1px solid rgba(0,0,0,0.06);
}
.faq__item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    list-style: none;
    transition: var(--transition);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
    content: '';
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%2365717B' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M7 1v12M1 7h12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    transition: var(--transition);
    margin-left: 16px;
}
.faq__item[open] summary::after {
    transform: rotate(45deg);
    background-color: var(--tg-blue-light);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%232AABEE' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M7 1v12M1 7h12'/%3E%3C/svg%3E");
}
.faq__item summary:hover { color: var(--tg-blue); }
.faq__answer {
    padding: 0 0 24px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== CTA ===== */
.cta {
    padding: 100px 0;
}
.cta__box {
    background: var(--bg-dark);
    border-radius: var(--radius-xl);
    padding: 80px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta__box::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(42,171,238,0.15) 0%, transparent 60%);
    pointer-events: none;
}
.cta__title {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 16px;
    position: relative;
}
.cta__desc {
    font-size: 18px;
    color: rgba(255,255,255,0.65);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
    position: relative;
}
.cta__contacts {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    margin-bottom: 40px;
    position: relative;
    flex-wrap: wrap;
}
.cta__contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.8);
    font-size: 16px;
}
.cta__contact-item svg {
    width: 22px;
    height: 22px;
    fill: var(--tg-blue);
}
.cta__contact-item a {
    color: var(--tg-blue);
    transition: var(--transition);
}
.cta__contact-item a:hover {
    color: white;
}
.cta__btn {
    position: relative;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-darker);
    padding: 60px 0 32px;
    color: rgba(255,255,255,0.6);
}
.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}
.footer__brand-name {
    font-size: 20px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
}
.footer__brand-desc {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 300px;
}
.footer__social {
    display: flex;
    gap: 12px;
}
.footer__social-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.06);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.footer__social-link:hover {
    background: var(--tg-blue);
}
.footer__social-link svg {
    width: 18px;
    height: 18px;
    fill: rgba(255,255,255,0.6);
}
.footer__social-link:hover svg {
    fill: white;
}
.footer__col-title {
    font-size: 15px;
    font-weight: 600;
    color: white;
    margin-bottom: 20px;
}
.footer__link {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    padding: 6px 0;
    transition: var(--transition);
}
.footer__link:hover {
    color: var(--tg-blue);
}
.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
}
.footer__bottom-links {
    display: flex;
    gap: 24px;
}

/* ===== MOBILE NAV ===== */
.nav__mobile {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(245,247,250,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    padding: 24px;
    flex-direction: column;
    gap: 8px;
}
.nav__mobile.active {
    display: flex;
}
.nav__mobile .nav__link {
    display: block;
    font-size: 18px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}
.nav__mobile .nav__cta {
    margin-top: 16px;
    text-align: center;
    justify-content: center;
}

/* burger active state */
.nav__burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__burger.active span:nth-child(2) { opacity: 0; }
.nav__burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero__title { font-size: 44px; }
    .section__title { font-size: 34px; }
    .stats__grid { grid-template-columns: repeat(2, 1fr); }
    .services__grid { grid-template-columns: 1fr; }
    .why__grid { grid-template-columns: repeat(3, 1fr); }
    .cases__grid { grid-template-columns: 1fr; }
    .process__grid { grid-template-columns: repeat(2, 1fr); }
    .process__grid::before { display: none; }
    .bonuses__grid { grid-template-columns: repeat(2, 1fr); }
    .footer__grid { grid-template-columns: repeat(2, 1fr); }
    .cta__box { padding: 60px 40px; }
    .cta__title { font-size: 32px; }
}

@media (max-width: 768px) {
    .nav__links { display: none; }
    .nav__burger { display: flex; }
    .hero__title { font-size: 36px; }
    .hero { padding-top: 130px; padding-bottom: 60px; }
    .section { padding: 70px 0; }
    .section__title { font-size: 28px; }
    .why__grid { grid-template-columns: repeat(2, 1fr); }
    .process__grid { grid-template-columns: 1fr; }
    .bonuses__grid { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; gap: 32px; }
    .footer__bottom { flex-direction: column; gap: 16px; text-align: center; }
    .case-card__metrics { grid-template-columns: 1fr; gap: 16px; text-align: center; }
}

@media (max-width: 480px) {
    .hero__title { font-size: 28px; }
    .hero__desc { font-size: 16px; }
    .hero__buttons { flex-direction: column; }
    .hero__buttons .btn { width: 100%; justify-content: center; }
    .section__title { font-size: 24px; }
    .stats__grid { grid-template-columns: 1fr; }
    .why__grid { grid-template-columns: 1fr; }
    .service-card { padding: 28px; }
    .cta__box { padding: 48px 24px; border-radius: var(--radius-lg); }
    .cta__title { font-size: 26px; }
    .cta__contacts { flex-direction: column; gap: 16px; }
    .container { padding: 0 16px; }
    .btn { padding: 14px 28px; font-size: 15px; }
}