/* ========================================
   DESIGN SYSTEM — Echo-Gine
   Palette: Teal-Mint (#0fd9a0) + Coral (#ff6b6b)
   Dark Background: #0b1628 → #131f36
   Font: Inter
   ======================================== */

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

/* ---------- Custom Properties ---------- */
:root {
    /* Primary */
    --color-primary: #0fd9a0;
    --color-primary-rgb: 15, 217, 160;
    --color-primary-dark: #0ab884;
    --color-primary-light: #4aedbe;

    /* Accent */
    --color-accent: #ff6b6b;
    --color-accent-rgb: 255, 107, 107;
    --color-accent-dark: #e04545;
    --color-accent-light: #ff9b9b;

    /* Backgrounds */
    --bg-body: #0b1628;
    --bg-section: #101d32;
    --bg-card: rgba(20, 38, 65, 0.65);
    --bg-card-hover: rgba(25, 48, 80, 0.80);
    --bg-glass: rgba(15, 217, 160, 0.06);
    --bg-footer: #070f1d;

    /* Text */
    --text-primary: #e8ecf1;
    --text-secondary: #8fa3bf;
    --text-muted: #5c7a9e;

    /* Borders */
    --border-glass: rgba(15, 217, 160, 0.12);
    --border-hover: rgba(15, 217, 160, 0.30);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0fd9a0 0%, #0bbfe0 50%, #ff6b6b 100%);
    --gradient-hero: linear-gradient(160deg, #0b1628 0%, #131f36 40%, #0e1a2e 100%);
    --gradient-card: linear-gradient(145deg, rgba(15, 217, 160, 0.08) 0%, rgba(255, 107, 107, 0.04) 100%);
    --gradient-cta: linear-gradient(135deg, #0fd9a0, #0bbfe0);

    /* Shadows */
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(15, 217, 160, 0.15);
    --shadow-btn: 0 4px 20px rgba(15, 217, 160, 0.30);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 50%;

    /* Transition */
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Layout */
    --container-max: 1200px;
    --header-height: 72px;

    /* Success / Error */
    --color-success: #0fd9a0;
    --color-error: #ff6b6b;
}

/* ---------- Typography ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-primary-light);
}

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.02em;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--gradient-cta);
    color: #0b1628;
    box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(15, 217, 160, 0.45);
    filter: brightness(1.08);
}

.btn--primary:active {
    transform: translateY(0);
}

.btn--secondary {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
}

.btn--secondary:hover {
    background: rgba(15, 217, 160, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(15, 217, 160, 0.15);
}

.btn--outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1.5px solid rgba(255, 255, 255, 0.15);
}

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

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

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

/* ---------- HEADER ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(11, 22, 40, 0.80);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

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

.logo-icon {
    width: 36px;
    height: 36px;
}

.nav__list {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav__link {
    padding: 8px 18px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.92rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--text-primary);
    background: rgba(15, 217, 160, 0.08);
}

.nav__link--cta {
    background: var(--gradient-cta);
    color: #0b1628 !important;
    font-weight: 600;
}

.nav__link--cta:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* Burger */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.burger__line {
    width: 26px;
    height: 2.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.burger.active .burger__line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.burger.active .burger__line:nth-child(2) {
    opacity: 0;
}

.burger.active .burger__line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ---------- HERO SECTION ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

/* Subtle background mesh */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80vw;
    height: 80vw;
    background: radial-gradient(circle, rgba(15, 217, 160, 0.07) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

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

.hero__content {
    max-width: 560px;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    background: rgba(15, 217, 160, 0.1);
    border: 1px solid rgba(15, 217, 160, 0.2);
    border-radius: 50px;
    color: var(--color-primary);
    font-size: 0.82rem;
    font-weight: 500;
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.hero__title {
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 36px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Hero Visual — Animated Element replaces the photo */
.hero__image {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero__visual {
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1;
    position: relative;
}

/* Animated rings */
.hero__ring {
    position: absolute;
    border-radius: 50%;
    border: 1.5px solid;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero__ring--1 {
    width: 100%;
    height: 100%;
    border-color: rgba(15, 217, 160, 0.10);
    animation: pulse-ring 4s ease-in-out infinite;
}

.hero__ring--2 {
    width: 78%;
    height: 78%;
    border-color: rgba(15, 217, 160, 0.18);
    animation: pulse-ring 4s ease-in-out 0.5s infinite;
}

.hero__ring--3 {
    width: 56%;
    height: 56%;
    border-color: rgba(15, 217, 160, 0.28);
    animation: pulse-ring 4s ease-in-out 1s infinite;
}

.hero__ring--4 {
    width: 36%;
    height: 36%;
    border-color: rgba(15, 217, 160, 0.42);
    animation: pulse-ring 4s ease-in-out 1.5s infinite;
}

/* Core orb */
.hero__core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 18%;
    height: 18%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: var(--gradient-cta);
    box-shadow:
        0 0 40px rgba(15, 217, 160, 0.35),
        0 0 80px rgba(15, 217, 160, 0.15),
        inset 0 0 20px rgba(255, 255, 255, 0.15);
    animation: core-glow 3s ease-in-out infinite alternate;
}

/* Floating dots */
.hero__dot {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
}

.hero__dot--1 {
    top: 12%;
    left: 50%;
    animation: float-dot 6s ease-in-out infinite;
    opacity: 0.7;
}

.hero__dot--2 {
    top: 50%;
    right: 4%;
    animation: float-dot 5s ease-in-out 1s infinite;
    opacity: 0.6;
    background: var(--color-accent);
}

.hero__dot--3 {
    bottom: 14%;
    left: 30%;
    animation: float-dot 7s ease-in-out 0.5s infinite;
    opacity: 0.5;
}

.hero__dot--4 {
    top: 35%;
    left: 8%;
    width: 6px;
    height: 6px;
    animation: float-dot 5.5s ease-in-out 2s infinite;
    opacity: 0.4;
    background: var(--color-accent-light);
}

/* Connecting lines */
.hero__line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(15, 217, 160, 0.25), transparent);
    transform-origin: left center;
}

.hero__line--1 {
    top: 50%;
    left: 58%;
    width: 120px;
    transform: rotate(-30deg);
    animation: line-fade 3s ease-in-out infinite;
}

.hero__line--2 {
    top: 35%;
    left: 25%;
    width: 100px;
    transform: rotate(20deg);
    animation: line-fade 3s ease-in-out 1s infinite;
}

@keyframes pulse-ring {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.04);
        opacity: 0.6;
    }
}

@keyframes core-glow {
    0% {
        box-shadow: 0 0 40px rgba(15, 217, 160, 0.35), 0 0 80px rgba(15, 217, 160, 0.15), inset 0 0 20px rgba(255, 255, 255, 0.15);
    }

    100% {
        box-shadow: 0 0 60px rgba(15, 217, 160, 0.50), 0 0 120px rgba(15, 217, 160, 0.20), inset 0 0 30px rgba(255, 255, 255, 0.20);
    }
}

@keyframes float-dot {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-14px);
    }
}

@keyframes line-fade {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.8;
    }
}

.hero__overlay {
    display: none;
    /* Not used with new visual element */
}

/* ---------- SECTIONS ---------- */
.section {
    padding: 100px 0;
}

.section__header {
    text-align: center;
    margin-bottom: 60px;
}

.section__title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
}

.section__header .section__title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--gradient-cta);
    margin: 14px auto 0;
    border-radius: 2px;
}

.section__desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* ---------- ABOUT ---------- */
.about {
    background: var(--bg-section);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glass), transparent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
    background: var(--bg-card-hover);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(15, 217, 160, 0.1);
    color: var(--color-primary);
    margin-bottom: 18px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-card__body h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.feature-card__subtitle {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 1.05rem;
    margin-bottom: 16px;
    line-height: 1.4;
}

.about__text p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
}

/* ---------- SERVICES ---------- */
.services {
    background: var(--bg-body);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
    border-color: var(--border-hover);
}

.service-card:hover::after {
    transform: scaleX(1);
}

.service-card__content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.service-card__content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ---------- REVIEWS ---------- */
.reviews {
    background: var(--bg-section);
    position: relative;
}

.reviews::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-glass), transparent);
}

.reviews-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.review-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 30px 26px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition);
}

.review-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.review-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 2px solid var(--color-primary);
    flex-shrink: 0;
}

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

.review-header h4 {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.stars {
    color: #ffc107;
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.review-text {
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.75;
    font-size: 0.95rem;
}

/* ---------- CONTACT CTA ---------- */
.contact-cta {
    background: var(--bg-body);
    padding: 80px 0;
    position: relative;
}

.contact-cta .section__title {
    margin-bottom: 14px;
}

.contact-cta .section__desc {
    margin-bottom: 32px;
}

/* ---------- FOOTER ---------- */
.footer {
    background: var(--bg-footer);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-glass);
}

.footer__grid,
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer__col,
.footer-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__logo,
.footer-col .logo {
    margin-bottom: 8px;
}

.footer h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.footer ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer a,
.footer-link,
.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer a:hover,
.footer-link:hover,
.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.footer p,
.footer-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-glass);
    padding-top: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-contact-list,
.footer-contacts {
    list-style: none;
}

.footer-contact-list li,
.footer-contacts li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact-icon {
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* ---------- COOKIE POPUP ---------- */
.cookie-popup {
    position: fixed;
    bottom: -200px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    width: calc(100% - 32px);
    max-width: 520px;
    background: rgba(16, 29, 50, 0.95);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.3);
    transition: bottom 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cookie-popup.active {
    bottom: 24px;
}

.cookie-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.cookie-actions {
    display: flex;
    gap: 10px;
}

.link-btn {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ---------- MODALS ---------- */
.modal {
    position: fixed;
    inset: 0;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
}

.modal__content {
    position: relative;
    z-index: 1;
    background: var(--bg-section);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 480px;
    width: 90%;
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal.active .modal__content {
    transform: scale(1);
}

.modal__close {
    position: absolute;
    top: 14px;
    right: 14px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.8rem;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.modal__close:hover {
    color: var(--color-accent);
}

.modal__body p {
    color: var(--text-secondary);
    margin-top: 12px;
}

/* ---------- CONTACT PAGE ---------- */
.page-content {
    padding-top: calc(var(--header-height) + 40px);
    min-height: 70vh;
}

.contact__container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: start;
}

.contact__info h1 {
    margin-bottom: 16px;
}

.contact__info>p {
    color: var(--text-secondary);
    margin-bottom: 28px;
    line-height: 1.7;
}

.contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Form */
.contact__form {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 36px 30px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: rgba(11, 22, 40, 0.6);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 217, 160, 0.12);
}

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

.error-msg {
    color: var(--color-error);
    font-size: 0.82rem;
    margin-top: 4px;
    display: block;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 24px;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.form-checkbox label {
    color: var(--text-secondary);
    font-size: 0.88rem;
}

.form-status {
    margin-top: 12px;
    text-align: center;
    font-size: 0.9rem;
}

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

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }

    .hero__content {
        max-width: 100%;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__visual {
        max-width: 360px;
        margin: 0 auto;
    }

    .burger {
        display: flex;
    }

    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(11, 22, 40, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav.active {
        opacity: 1;
        visibility: visible;
    }

    .nav__list {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .nav__link {
        font-size: 1.15rem;
        padding: 12px 28px;
    }

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

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }

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

    .hero__visual {
        max-width: 280px;
    }

    .features-grid,
    .services-grid,
    .reviews-slider {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        padding: 12px 24px;
    }

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

    .contact__form {
        padding: 24px 18px;
    }
}