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

body {
    font-family: Inter, Arial, sans-serif;
    background: #05060a;
    color: #f9fafb;
    line-height: 1.6;
}

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

a {
    color: inherit;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */

.header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(5, 6, 10, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo-wrap {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo {
    height: 80px;
    background-color: white;
    width: 180px;
    border-radius: 4px;
    object-fit: cover;
}

.logo-text {
    margin-left: 10px;
    font-weight: 600;
    font-size: 18px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav a {
    position: relative;
    text-decoration: none;
    font-size: 28px;
    color: #e5e7eb;
    transition: color 0.2s ease;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #0ea5e9, #22c55e);
    transition: width 0.25s ease;
}

.nav a:hover {
    color: #ffffff;
}

.nav a:hover::after {
    width: 100%;
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 26px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-size: 22px;
    font-weight: 500;
    text-decoration: none;
    background: linear-gradient(135deg, #0ea5e9, #22c55e);
    color: #020617;
    box-shadow: 0 14px 30px rgba(34, 197, 94, 0.35);
    transition: transform 0.1s ease, box-shadow 0.1s ease, filter 0.15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 40px rgba(34, 197, 94, 0.45);
    filter: brightness(1.05);
}

.btn-small {
    padding: 9px 20px;
    font-size: 18px;
}

.btn-full {
    width: 100%;
}

/* Hero */

.hero {
    background: radial-gradient(circle at top left, #0f172a 0, #020617 55%, #020617 100%);
    padding: 72px 0 80px;
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
}

.hero-kicker {
    font-size: 18px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #38bdf8;
    margin-bottom: 10px;
}

.hero h1 {
    font-size: 40px;
    line-height: 1.15;
    margin-bottom: 16px;
}

.hero-sub {
    max-width: 520px;
    color: #9ca3af;
    margin-bottom: 24px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 18px;
}

.hero-note {
    font-size: 18px;
    color: #9ca3af;
}

.hero-list {
    list-style: none;
    margin-top: 6px;
}

.hero-list li {
    position: relative;
    padding-left: 20px;
    font-size: 20px;
    color: #e5e7eb;
    margin-bottom: 6px;
}

.hero-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: linear-gradient(135deg, #0ea5e9, #22c55e);
}

/* Hero card */

.hero-card {
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), rgba(15, 23, 42, 0.98));
    border-radius: 24px;
    padding: 24px 22px 26px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    box-shadow: 0 24px 50px rgba(15, 23, 42, 0.85);
}

.hero-card h2 {
    font-size: 20px;
    margin-bottom: 8px;
}

.hero-card p {
    font-size: 18px;
    color: #cbd5f5;
    margin-bottom: 14px;
}

/* Form */

.form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.field span {
    display: block;
    font-size: 18px;
    margin-bottom: 4px;
    color: #e5e7eb;
}

.form input,
.form textarea {
    width: 100%;
    padding: 10px 11px;
    border-radius: 12px;
    border: 1px solid rgba(75, 85, 99, 0.8);
    background: rgba(15, 23, 42, 0.95);
    color: #f9fafb;
    font-size: 18px;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.form input::placeholder,
.form textarea::placeholder {
    color: #6b7280;
}

.form input:focus,
.form textarea:focus {
    border-color: #38bdf8;
    box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.35);
    background: rgba(15, 23, 42, 1);
}

.form textarea {
    resize: vertical;
    min-height: 72px;
}

.form-hint {
    font-size: 18px;
    color: #9ca3af;
    margin-top: 4px;
}

/* Sections */

.section {
    padding: 72px 0;
    background: #020617;
}

.section.alt {
    background: #030712;
}

.section.dark {
    background: #020617;
}

.section h2 {
    font-size: 28px;
    margin-bottom: 24px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.card {
    background: #020617;
    border-radius: 18px;
    border: 1px solid rgba(31, 41, 55, 0.9);
    padding: 18px 18px 20px;
}

.section.dark .card {
    background: #020617;
    border-color: rgba(55, 65, 81, 0.95);
}

.card h3 {
    margin-bottom: 8px;
    font-size: 20px;
}

.card p {
    font-size: 18px;
    color: #9ca3af;
}

.list {
    list-style: none;
    max-width: 620px;
}

.list li {
    margin-bottom: 10px;
    font-size: 18px;
}

/* Contacts */

.contacts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    font-size: 18px;
}

.contacts p + p {
    margin-top: 4px;
}

/* Footer */

.footer {
    background: #020617;
    border-top: 1px solid #111827;
    padding: 18px 0 22px;
    text-align: center;
    color: #6b7280;
    font-size: 17px;
}

/* Responsive */

@media (max-width: 960px) {
    .hero-inner {
        grid-template-columns: 1fr;
    }

    .hero-card {
        order: -1;
    }
}

@media (max-width: 720px) {
    .header-inner {
        gap: 12px;
    }

    .nav {
        display: none;
    }

    .hero {
        padding-top: 56px;
    }

    .hero h1 {
        font-size: 30px;
    }
}

.section-box {
    background: linear-gradient(
            180deg,
            rgba(15, 23, 42, 0.85),
            rgba(2, 6, 23, 0.95)
    );
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 28px;
    padding: 40px 42px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.55);
}
.section h2 {
    font-size: 30px;
    margin-bottom: 28px;
    position: relative;
}

.section h2::after {
    content: "";
    display: block;
    width: 64px;
    height: 3px;
    margin-top: 10px;
    background: linear-gradient(90deg, #0ea5e9, #22c55e);
    border-radius: 999px;
}

.feature-list {
    list-style: none;
    display: grid;
    gap: 14px;
    max-width: 720px;
}

.feature-list li {
    position: relative;
    padding-left: 28px;
    font-size: 18px;
    color: #e5e7eb;
}

.feature-list li::before {
    content: "✔";
    position: absolute;
    left: 0;
    top: 0;
    color: #22c55e;
    font-size: 18px;
}
.section {
    padding: 96px 0;
}

.section-box > * + * {
    margin-top: 22px;
}

.service-list {
    list-style: none;
    max-width: 760px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.service-list li {
    font-size: 18px;
    color: #e5e7eb;
}

/* Заголовок пункта */
.service-title {
    display: block;
    font-weight: 600;
    font-size: 19px;
    margin-bottom: 6px;
    color: #f9fafb;
}

/* Абзац под заголовком */
.service-list p {
    margin-left: 22px; /* смещение вправо */
    padding: 12px 14px;
    background: rgba(56, 189, 248, 0.08);
    border-left: 3px solid #38bdf8;
    border-radius: 12px;
    color: #cbd5f5;
}
.service-list li:hover p {
    background: rgba(56, 189, 248, 0.12);
}
.about-box {
    position: relative;
}

/* Вводный абзац */
.about-lead {
    font-size: 19px;
    line-height: 1.7;
    color: #e5e7eb;
    max-width: 860px;
    margin-bottom: 32px;
}

/* Блок достижений */
.about-block h3 {
    font-size: 22px;
    margin-bottom: 22px;
    color: #f9fafb;
}

/* Элемент достижения */
.about-item {
    position: relative;
    padding-left: 26px;
    margin-bottom: 22px;
}

.about-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, #0ea5e9, #22c55e);
}

/* Подзаголовок */
.about-item h4 {
    font-size: 20px;
    margin-bottom: 6px;
    color: #f9fafb;
}

/* Текст */
.about-item p {
    font-size: 18px;
    color: #cbd5f5;
    background: rgba(56, 189, 248, 0.06);
    padding: 14px 16px;
    border-radius: 14px;
}

/* Финальный CTA */
.about-cta {
    margin-top: 36px;
    padding: 18px 22px;
    border-radius: 18px;
    background: linear-gradient(
            135deg,
            rgba(14, 165, 233, 0.18),
            rgba(34, 197, 94, 0.18)
    );
    border: 1px solid rgba(148, 163, 184, 0.35);
    font-size: 18px;
    color: #f9fafb;
}
.form input[type="file"] {
    padding: 10px;
    font-size: 16px;
    cursor: pointer;
}

.form input[type="file"]::-webkit-file-upload-button {
    background: linear-gradient(135deg, #0ea5e9, #22c55e);
    border: none;
    border-radius: 999px;
    padding: 8px 18px;
    margin-right: 12px;
    color: #020617;
    font-weight: 500;
    cursor: pointer;
}