/* ============================================================
   ООО «Инталаб» — Стили сайта
   Цветовая палитра: пастельно-зелёная, мягкие тона
   ============================================================ */

/* ---------- Переменные ---------- */
:root {
    /* Основная палитра — пастельно-зелёная */
    --primary:        #4a9e7f;   /* мягкий зелёный */
    --primary-dark:   #357a62;   /* тёмно-зелёный */
    --primary-light:  #7ec8a8;   /* светло-зелёный */
    --primary-pale:   #e8f5ef;   /* очень светлый зелёный фон */
    --accent:         #5baa8a;   /* акцентный зелёный */

    /* Нейтральные */
    --dark:           #2d3a35;   /* тёмный с зелёным оттенком */
    --dark-mid:       #3d4f47;
    --mid:            #6b7c75;
    --light-bg:       #f4f8f6;   /* светлый фон с зелёным оттенком */
    --white:          #ffffff;
    --border:         #d4e6dc;

    /* Функциональные */
    --success:        #3d9970;
    --warning:        #e8a838;
    --danger:         #c0392b;
    --info:           #2980b9;

    /* Градиенты */
    --grad-hero:      linear-gradient(135deg, #2d4a3e 0%, #1a3328 50%, #0f2018 100%);
    --grad-primary:   linear-gradient(135deg, #4a9e7f 0%, #357a62 100%);
    --grad-soft:      linear-gradient(135deg, #7ec8a8 0%, #4a9e7f 100%);
    --grad-footer:    linear-gradient(135deg, #1a2e26 0%, #0f1e18 100%);

    /* Тени */
    --shadow-xs:      0 1px 3px rgba(45, 58, 53, 0.08);
    --shadow-sm:      0 2px 8px rgba(45, 58, 53, 0.10);
    --shadow-md:      0 4px 16px rgba(45, 58, 53, 0.12);
    --shadow-lg:      0 8px 32px rgba(45, 58, 53, 0.14);
    --shadow-accent:  0 4px 16px rgba(74, 158, 127, 0.20);
    --shadow-glow:    0 0 24px rgba(74, 158, 127, 0.25);

    /* Скругления */
    --r-sm:  8px;
    --r-md:  12px;
    --r-lg:  16px;
    --r-xl:  24px;

    /* Переходы */
    --t-fast:   0.18s ease;
    --t-normal: 0.28s ease;
    --t-slow:   0.45s ease;
}

/* ---------- Базовые стили ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}

::selection { background: var(--primary); color: #fff; }
::-moz-selection { background: var(--primary); color: #fff; }

h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; }

a { color: var(--primary); text-decoration: none; transition: color var(--t-fast); }
a:hover { color: var(--primary-dark); }

.fw-600 { font-weight: 600 !important; }

/* ---------- Секционные метки ---------- */
.section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--primary-pale);
    padding: 4px 14px;
    border-radius: 20px;
}

/* ---------- Фоны секций ---------- */
.bg-light-tint {
    background: var(--light-bg);
}

.bg-accent-tint {
    background: linear-gradient(135deg, #eef7f2 0%, #f4f8f6 100%);
}

/* ---------- Навигация ---------- */
.navbar {
    background: rgba(15, 32, 24, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all var(--t-normal);
    padding: 14px 0;
    border-bottom: 1px solid rgba(74, 158, 127, 0.15);
}

.navbar.scrolled {
    background: rgba(15, 32, 24, 0.98) !important;
    box-shadow: 0 2px 20px rgba(0,0,0,0.25);
    padding: 10px 0;
}

.navbar-brand {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff !important;
    transition: all var(--t-normal);
}

.navbar-brand:hover { transform: scale(1.04); }

.text-primary-accent { color: var(--primary-light) !important; }

.navbar-nav .nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255,255,255,0.82) !important;
    padding: 8px 14px !important;
    border-radius: var(--r-sm);
    transition: all var(--t-normal);
    margin: 0 2px;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #fff !important;
    background: rgba(74, 158, 127, 0.18);
}

.navbar-nav .nav-link.btn-accent {
    background: var(--grad-primary);
    color: #fff !important;
    border-radius: var(--r-lg);
    font-weight: 600;
}

.navbar-nav .nav-link.btn-accent:hover {
    background: var(--grad-soft);
    transform: translateY(-1px);
    box-shadow: var(--shadow-accent);
}

/* Кнопка смены темы в шапке */
.btn-theme-toggle {
    background: rgba(74, 158, 127, 0.15);
    border: 1px solid rgba(74, 158, 127, 0.35);
    color: rgba(255,255,255,0.85);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all var(--t-normal);
    padding: 0;
}

.btn-theme-toggle:hover {
    background: rgba(74, 158, 127, 0.35);
    color: #fff;
    border-color: var(--primary-light);
    transform: rotate(15deg);
}

/* ---------- Hero ---------- */
.hero-section {
    background: var(--grad-hero);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(74,158,127,0.12) 0%, transparent 50%),
        radial-gradient(circle at 85% 20%, rgba(126,200,168,0.08) 0%, transparent 40%);
    z-index: 0;
}

.hero-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 25% 60%, rgba(255,255,255,0.04) 1px, transparent 1px),
        radial-gradient(circle at 55% 25%, rgba(255,255,255,0.04) 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 80px 80px, 120px 120px, 160px 160px;
    animation: float-bg 25s ease-in-out infinite;
    z-index: 0;
}

@keyframes float-bg {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(74, 158, 127, 0.25);
    border: 1px solid rgba(74, 158, 127, 0.4);
    color: var(--primary-light);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.hero-content h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    animation: slideInLeft 0.9s ease-out both;
}

.hero-content p {
    animation: slideInLeft 0.9s ease-out 0.15s both;
}

.hero-buttons {
    animation: slideInLeft 0.9s ease-out 0.3s both;
}

.text-white-75 { color: rgba(255,255,255,0.78) !important; }

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-28px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* Hero visual */
.hero-image {
    position: relative;
    z-index: 2;
    animation: slideInRight 0.9s ease-out 0.5s both;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(28px); }
    to   { opacity: 1; transform: translateX(0); }
}

.hero-visual {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(74, 158, 127, 0.25);
    border-radius: var(--r-xl);
    padding: 32px 24px;
    backdrop-filter: blur(8px);
}

.hero-icon-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.hero-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: rgba(74, 158, 127, 0.12);
    border: 1px solid rgba(74, 158, 127, 0.2);
    border-radius: var(--r-md);
    padding: 20px 12px;
    text-align: center;
    transition: all var(--t-normal);
    cursor: default;
}

.hero-icon-item:hover {
    background: rgba(74, 158, 127, 0.22);
    border-color: rgba(74, 158, 127, 0.45);
    transform: translateY(-3px);
}

.hero-icon-item i {
    font-size: 1.8rem;
    color: var(--primary-light);
}

.hero-icon-item span {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.75);
    font-weight: 500;
    line-height: 1.2;
}

/* ---------- Кнопки ---------- */
.btn {
    font-weight: 600;
    border-radius: var(--r-md);
    transition: all var(--t-normal);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s;
}

.btn:hover::after { transform: translateX(100%); }

.btn-primary-accent {
    background: var(--grad-primary);
    color: #fff;
    border: none;
}

.btn-primary-accent:hover {
    background: var(--grad-soft);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.6);
    transform: translateY(-2px);
}

.btn-lg { padding: 13px 32px; font-size: 1rem; }

/* ---------- Feature Cards ---------- */
.feature-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    transition: all var(--t-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--grad-primary);
    transform: scaleX(0);
    transition: transform var(--t-normal);
    transform-origin: left;
}

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

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-accent);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-pale);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    transition: all var(--t-normal);
}

.feature-icon i {
    font-size: 1.7rem;
    color: var(--primary);
}

.feature-card:hover .feature-icon {
    background: var(--grad-primary);
    transform: scale(1.08) rotate(5deg);
}

.feature-card:hover .feature-icon i { color: #fff; }

/* ---------- Service Cards ---------- */
.service-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    transition: all var(--t-normal);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: var(--grad-primary);
    transform: scaleX(0);
    transition: transform var(--t-normal);
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-accent);
    border-color: var(--primary-light);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-pale);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--t-normal);
}

.service-icon i {
    font-size: 1.6rem;
    color: var(--primary);
    transition: all var(--t-normal);
}

.service-card:hover .service-icon {
    background: var(--grad-primary);
    transform: rotate(8deg) scale(1.05);
}

.service-card:hover .service-icon i { color: #fff; }

.service-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-list li {
    padding: 5px 0;
    font-size: 0.88rem;
    color: var(--mid);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-list li:last-child { border-bottom: none; }

.service-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ---------- О компании ---------- */
.about-visual {
    background: var(--primary-pale);
    border-radius: var(--r-xl);
    padding: 40px;
    text-align: center;
    border: 1px solid var(--border);
}

.about-icon-block {
    width: 100px;
    height: 100px;
    background: var(--grad-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    box-shadow: var(--shadow-accent);
}

.about-icon-block i {
    font-size: 2.8rem;
    color: #fff;
}

.about-stats-grid {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.about-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    background: var(--white);
    border-radius: var(--r-md);
    padding: 16px 20px;
    min-width: 100px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
}

.stat-num {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--mid);
    text-align: center;
    line-height: 1.3;
}

.about-mission {
    background: var(--primary-pale);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--r-md) var(--r-md) 0;
    padding: 16px 20px;
    margin: 0;
    font-style: italic;
    color: var(--dark-mid);
    font-size: 0.95rem;
}

/* ---------- Portfolio / Products ---------- */
.portfolio-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: all var(--t-normal);
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-accent);
    border-color: var(--primary-light);
}

.portfolio-img-placeholder {
    height: 160px;
    background: linear-gradient(135deg, var(--primary-pale) 0%, #d0ece0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--t-normal);
}

.portfolio-img-placeholder i {
    font-size: 3.5rem;
    color: var(--primary);
    opacity: 0.6;
    transition: all var(--t-normal);
}

.portfolio-item:hover .portfolio-img-placeholder {
    background: var(--grad-primary);
}

.portfolio-item:hover .portfolio-img-placeholder i {
    color: #fff;
    opacity: 1;
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 160px;
    background: linear-gradient(135deg, rgba(53, 122, 98, 0.92) 0%, rgba(74, 158, 127, 0.92) 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    opacity: 0;
    transition: all var(--t-slow);
}

.portfolio-overlay h5 {
    font-weight: 600;
    margin-bottom: 6px;
    transform: translateY(12px);
    transition: transform var(--t-normal);
}

.portfolio-overlay p {
    font-size: 0.85rem;
    opacity: 0.9;
    transform: translateY(12px);
    transition: transform var(--t-normal) 0.08s;
    margin: 0;
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-item:hover .portfolio-overlay h5,
.portfolio-item:hover .portfolio-overlay p { transform: translateY(0); }

.portfolio-body h5 { color: var(--dark); font-size: 0.95rem; }

/* ---------- Проекты ---------- */
.project-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    transition: all var(--t-normal);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-accent);
    border-color: var(--primary-light);
}

.project-icon {
    width: 52px;
    height: 52px;
    background: var(--primary-pale);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--t-normal);
}

.project-icon i {
    font-size: 1.5rem;
    color: var(--primary);
}

.project-card:hover .project-icon {
    background: var(--grad-primary);
}

.project-card:hover .project-icon i { color: #fff; }

/* ---------- Технологии ---------- */
.tech-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    transition: all var(--t-normal);
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-accent);
    border-color: var(--primary-light);
}

.tech-icon {
    width: 52px;
    height: 52px;
    background: var(--primary-pale);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--t-normal);
}

.tech-icon i {
    font-size: 1.5rem;
    color: var(--primary);
}

.tech-card:hover .tech-icon {
    background: var(--grad-primary);
}

.tech-card:hover .tech-icon i { color: #fff; }

/* ---------- Для группы ---------- */
.steps-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.step-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.step-num {
    width: 36px;
    height: 36px;
    background: var(--grad-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-accent);
}

.group-tasks-grid {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.task-tag {
    background: var(--primary-pale);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 8px 12px;
    font-size: 0.82rem;
    color: var(--dark-mid);
    font-weight: 500;
    transition: all var(--t-fast);
    display: flex;
    align-items: center;
}

.task-tag:hover {
    background: var(--primary-pale);
    border-color: var(--primary);
    color: var(--primary-dark);
}

.task-tag i { color: var(--primary); }

/* ---------- Карьера ---------- */
.career-values {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.career-values li {
    display: flex;
    align-items: center;
    font-size: 0.93rem;
    color: var(--dark-mid);
}

.career-values li i { color: var(--primary); font-size: 1rem; }

.role-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 12px 14px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--dark-mid);
    transition: all var(--t-fast);
    display: flex;
    align-items: center;
}

.role-card:hover {
    border-color: var(--primary);
    background: var(--primary-pale);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xs);
}

.role-card i { color: var(--primary); }

/* ---------- Контакты ---------- */
.contact-info {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 24px;
    text-align: center;
    transition: all var(--t-normal);
}

.contact-info:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-accent);
    border-color: var(--primary-light);
}

.contact-info i {
    font-size: 1.8rem;
    color: var(--primary);
    display: block;
    margin-bottom: 12px;
    width: 56px;
    height: 56px;
    background: var(--primary-pale);
    border-radius: 50%;
    line-height: 56px;
    margin: 0 auto 12px;
    transition: all var(--t-normal);
}

.contact-info:hover i {
    background: var(--grad-primary);
    color: #fff;
}

.contact-info h5 {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.contact-info p {
    color: var(--mid);
    font-size: 0.88rem;
    margin: 0;
}

.contact-form {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 36px;
    box-shadow: var(--shadow-sm);
}

.contact-form .form-label {
    font-weight: 500;
    font-size: 0.88rem;
    color: var(--dark-mid);
    margin-bottom: 6px;
}

.contact-form .form-control {
    border: 1.5px solid var(--border);
    border-radius: var(--r-md);
    padding: 11px 16px;
    font-size: 0.92rem;
    transition: all var(--t-normal);
    background: #fafcfb;
}

.contact-form .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(74, 158, 127, 0.15);
    background: var(--white);
    outline: none;
}

.contact-form .form-control:hover {
    border-color: var(--primary-light);
}

.form-control.is-valid {
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgba(61, 153, 112, 0.15);
}

.form-control.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.12);
}

/* ---------- Футер ---------- */
footer {
    background: var(--grad-footer);
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--grad-primary);
}

footer h5, footer h6 {
    color: rgba(255,255,255,0.9);
    font-weight: 600;
    margin-bottom: 16px;
    position: relative;
    font-size: 0.95rem;
}

footer h5::after, footer h6::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--primary);
}

footer ul li { margin-bottom: 8px; }

footer ul li a {
    color: rgba(255,255,255,0.5);
    font-size: 0.88rem;
    transition: all var(--t-fast);
}

footer ul li a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.text-white-50 { color: rgba(255,255,255,0.5) !important; }
.text-white-75 { color: rgba(255,255,255,0.75) !important; }
.border-white-10 { border-color: rgba(255,255,255,0.08) !important; }

/* ---------- Scroll to top ---------- */
.scroll-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    background: var(--grad-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all var(--t-normal);
    z-index: 1000;
    box-shadow: var(--shadow-accent);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

/* ---------- Анимации появления ---------- */
.reveal-up {
    opacity: 0;
    transform: translateY(24px);
    transition: all 0.7s ease;
}

.reveal-up.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: all 0.7s ease;
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

.loading {
    opacity: 0;
    transform: translateY(16px);
    transition: all 0.5s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Тёмная тема ---------- */
.dark-theme {
    --white:       #1a2420;
    --light-bg:    #1e2b25;
    --border:      #2e4038;
    --dark:        #e8f0ec;
    --dark-mid:    #c5d4cc;
    --mid:         #8fa89e;
    --primary-pale: rgba(74, 158, 127, 0.12);
}

.dark-theme body {
    background: #141e1a;
    color: #e8f0ec;
}

.dark-theme .navbar {
    background: rgba(10, 18, 14, 0.97) !important;
}

.dark-theme .feature-card,
.dark-theme .service-card,
.dark-theme .project-card,
.dark-theme .tech-card,
.dark-theme .portfolio-item,
.dark-theme .contact-info,
.dark-theme .contact-form,
.dark-theme .role-card,
.dark-theme .group-tasks-grid,
.dark-theme .about-stat {
    background: #1e2b25;
    border-color: #2e4038;
    color: #e8f0ec;
}

.dark-theme .text-muted,
.dark-theme .text-muted.small,
.dark-theme p.text-muted {
    color: #8fa89e !important;
}

.dark-theme .about-visual {
    background: rgba(74, 158, 127, 0.08);
    border-color: #2e4038;
}

.dark-theme .bg-light-tint {
    background: #192420;
}

.dark-theme .bg-accent-tint {
    background: #1a2820;
}

.dark-theme .contact-form .form-control {
    background: #1a2420;
    border-color: #2e4038;
    color: #e8f0ec;
}

.dark-theme .contact-form .form-control::placeholder {
    color: #5a7a6e;
}

.dark-theme .section-label {
    background: rgba(74, 158, 127, 0.15);
}

.dark-theme .task-tag {
    background: rgba(74, 158, 127, 0.1);
    border-color: #2e4038;
    color: #c5d4cc;
}

.dark-theme .hero-visual {
    background: rgba(255,255,255,0.03);
    border-color: rgba(74, 158, 127, 0.2);
}

/* ---------- Уведомления ---------- */
.site-notification {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    min-width: 300px;
    max-width: 400px;
    background: var(--white);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
    border-radius: var(--r-md);
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: notifSlideIn 0.3s ease;
}

.site-notification.success { border-left-color: var(--success); }
.site-notification.error   { border-left-color: var(--danger); }

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

.notif-icon { font-size: 1.2rem; color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.notif-icon.success { color: var(--success); }
.notif-icon.error   { color: var(--danger); }
.notif-text { font-size: 0.9rem; color: var(--dark-mid); flex: 1; }
.notif-close {
    background: none; border: none; color: var(--mid);
    font-size: 1rem; cursor: pointer; padding: 0; line-height: 1;
    flex-shrink: 0;
}
.notif-close:hover { color: var(--dark); }

/* ---------- Печать ---------- */
@media print {
    .navbar, .scroll-to-top, .btn-theme-toggle, .hero-buttons { display: none !important; }
    .hero-section { min-height: auto; padding: 2rem 0; }
    body { font-size: 11pt; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ---------- Адаптив ---------- */
@media (max-width: 991px) {
    .navbar-nav .nav-link { margin: 2px 0; }
    .navbar-nav .nav-link.btn-accent { margin-top: 8px; }
    .btn-theme-toggle { margin-top: 8px; }
    .hero-icon-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
    .scroll-to-top { bottom: 20px; right: 16px; width: 52px; height: 52px; font-size: 1.3rem; }
    .contact-form { padding: 24px; }
    .about-stats-grid { gap: 12px; }
    .hero-icon-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .hero-icon-item { padding: 14px 8px; }
}

/* ============================================================
   Дополнительные правки
   ============================================================ */

/* --- Тёмная тема: иконки в блоках продуктов (portfolio-img-placeholder) ---
   Без наведения: иконки белые на зелёном фоне
   При наведении: как в светлой теме (уже задано через :hover) */
.dark-theme .portfolio-img-placeholder {
    background: linear-gradient(135deg, #2a4a3a 0%, #1e3528 100%);
}

.dark-theme .portfolio-img-placeholder i {
    color: rgba(255, 255, 255, 0.85);
    opacity: 1;
}

.dark-theme .portfolio-item:hover .portfolio-img-placeholder {
    background: var(--grad-primary);
}

.dark-theme .portfolio-item:hover .portfolio-img-placeholder i {
    color: #fff;
    opacity: 1;
}

/* --- Исправление перекрытия контента шапкой ---
   Навбар fixed ~60px высотой, добавляем половину высоты навбара как отступ */
.hero-section {
    padding-top: 48px;
}

@media (max-width: 991px) {
    .hero-section {
        padding-top: 40px;
    }
}

/* --- Навбар: скрытие при скролле вниз (класс добавляется через JS) --- */
.navbar {
    transition: transform 0.35s ease, background 0.28s ease, padding 0.28s ease, box-shadow 0.28s ease;
}

.navbar.nav-hidden {
    transform: translateY(-100%);
}

/* --- Десктоп: уменьшение шапки при скролле --- */
@media (min-width: 992px) {
    .navbar.scrolled {
        padding: 6px 0;
    }

    .navbar.scrolled .navbar-brand {
        font-size: 1.2rem;
    }
}

/* --- Мигающий курсор во время анимации печати --- */
.typing-cursor::after {
    content: '|';
    display: inline-block;
    margin-left: 2px;
    animation: blink-cursor 0.75s step-end infinite;
    color: var(--clr-accent-light);
}

@keyframes blink-cursor {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

/* ================================================================
   ИСПРАВЛЕНИЯ МОБИЛЬНОГО ПРЕДСТАВЛЕНИЯ
   ================================================================ */

/* Запрет горизонтального скролла на уровне html и body */
html, body {
    overflow-x: hidden;
    max-width: 100%;
}

/* Все секции не должны выходить за ширину экрана */
section, .navbar, footer {
    max-width: 100vw;
    overflow-x: hidden;
}

/* hero-visual на мобильных: убрать фиксированные отступы,
   которые могут выталкивать блок за правый край */
@media (max-width: 575px) {
    .hero-visual {
        padding: 20px 12px;
        margin-left: 0;
        margin-right: 0;
    }
    .hero-icon-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }
    .hero-icon-item {
        padding: 10px 6px;
    }
    .hero-icon-item i {
        font-size: 1.4rem;
    }
    .hero-icon-item span {
        font-size: 0.65rem;
    }
    /* Контейнер Bootstrap на очень маленьких экранах */
    .container, .container-fluid {
        padding-left: 12px;
        padding-right: 12px;
    }
    /* Кнопки hero — не выходить за экран */
    .hero-buttons {
        flex-wrap: wrap;
    }
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
}

/* Safe-area для устройств с вырезом (notch) */
@supports (padding: env(safe-area-inset-left)) {
    body {
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }
}