:root {
    --bg-color: #ffffff;
    --text-color: #212529;
    --card-bg: #f8f9fa;
    --card-shadow: rgba(0, 0, 0, 0.15);
    --btn-bg: #4caf50;
    --btn-hover: #388e3c;
    --card-border: rgba(0, 0, 0, 0.1);
    --progress-fill: #198754;
    --progress-empty: #e0e0e0;
    --progress-border: #ffffff;
    --btn-success-text: #ffffff;
}

body.dark-mode {
    --bg-color: #181818;
    --text-color: #f1f1f1;
    --card-bg: #282c34;
    --card-shadow: rgba(255, 255, 255, 0.1);
    --btn-bg: #81c784;
    --btn-hover: #66bb6a;
    --card-border: rgba(255, 255, 255, 0.1);
    --progress-fill: #2ecc71;
    --progress-empty: #444;
    --progress-border: #222;
    --btn-success-text: #222;
}

.progress-segment {
    width: 20%;
    height: 8px;
    display: inline-block;
    background-color: transparent;
    border-right: 1px solid var(--progress-border);
    transition: background-color 0.4s ease;
}

.project-box.animate-fill .progress-segment[data-filled="true"] {
    background-color: var(--progress-fill);
}
.project-box.animate-fill .progress-segment[data-filled="false"] {
    background-color: var(--progress-empty);
}

.card-custom {
    background-color: var(--card-bg);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

body {
    font-family: 'Roboto', sans-serif;
    /* font-family: "IBM Plex Mono, Noto Sans Mono Variable, Noto Sans Mono, monospace"; */
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

header {
    background: linear-gradient(to right, #4caf50, #81c784);
    color: #fff;
}

.navbar-nav .nav-link {
    color: white;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #000000; /* Жёлтый акцент */
}
.navbar-nav .nav-link.active {
    color: #a0ffb3;
    border-bottom: 2px solid #a0ffb3;
}
.navbar-toggler {
    font-size: 1.5rem;
}

.navbar-dark .navbar-nav .nav-link {
    color: #fff;
    position: relative;
    font-weight: 500;
    transition: color 0.3s ease-in-out;
}
.navbar-dark .navbar-nav .nav-link:hover {
    color: #ffc107; /* Жёлтый акцент */
    color: #ffeb3b;
}
.navbar-dark .navbar-nav .nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -2px;
    width: 0;
    height: 2px;
    background-color: #ffeb3b;
    transition: all 0.3s ease-in-out;
    transform: translateX(-50%);
}
.navbar-dark .navbar-nav .nav-link:hover::after {
    width: 100%;
}
.navbar-toggler {
    font-size: 1.5rem;
}

section {
    padding: 30px 0;
}

p.lead {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-color);
}

.rounded-circle {
    border: 4px solid #4caf50;
}

.profile-img {
    transition: transform 0.3s ease-in-out;
    will-change: transform;
}

/* Поддерживает hover поверх scale-up/visible */
.profile-img.visible:hover {
    transform: scale(1.1);
}

.card {
    background-color: var(--card-bg);
    box-shadow: 0 10px 20px var(--card-shadow);
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    color: var(--text-color);
}
.card:hover {
    transform: translateY(-5px);
}

.animate {
    opacity: 0;
    transform: translateY(30px);
    visibility: hidden;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out, visibility 0s linear 0.6s;
}
.visible {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
    transition-delay: 0s;
}

.fade-in {
    transform: translateY(30px);
}
.fade-in.visible {
    transform: translateY(0);
}

.slide-left {
    transform: translateX(-20px);
}
.slide-left.visible {
    transform: translateX(0);
}

.slide-right {
    transform: translateX(20px);
    will-change: transform;
}
.slide-right.visible {
    transform: translateX(0);
}

.scale-up {
    transform: scale(0.85);
}
.scale-up.visible {
    transform: scale(1);
}

.rotate {
    transform: rotate(-5deg);
}
.rotate.visible {
    transform: rotate(0);
}

.btn-success {
    background-color: var(--btn-bg);
    border: none;
    transition: all 0.3s ease-in-out;
    color: var(--btn-success-text);
}
.btn-success:hover {
    background-color: var(--btn-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background-color: var(--btn-bg) !important;
    border: none;
}
.btn-primary:hover {
    background-color: var(--btn-hover) !important;
}

.btn-secondary {
    background-color: #6c757d !important;
}
.btn-secondary:hover {
    background-color: #5a6268 !important;
}

#contact {
    background-color: var(--card-bg);
    padding: 50px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--card-shadow);
}

#contact a {
    font-weight: 600;
    transition: color 0.3s ease-in-out;
}
#contact a:hover {
    color: var(--btn-bg);
}

.modal-content {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
}
.modal-header {
    background-color: var(--btn-bg);
    color: white;
}
.modal-title {
    font-weight: bold;
}
.modal-body {
    color: var(--text-color);
}
.modal-footer {
    border-top: 1px solid #dee2e6;
}
.form-control {
    color: var(--text-color) !important;
    background-color: var(--bg-color) !important;
}
.form-control::placeholder {
    color: #6c757d !important;
}

.service-card {
    border: none;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}
.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--card-shadow);
    border-color: var(--accent, #4caf50);
}
.service-card .card-title {
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 10px;
}
.service-card .card-title i {
    font-size: 1.5rem;
}

.custom-alert {
    position: fixed;
    bottom: 20px;
    right: 20px;
    max-width: 400px;
    z-index: 1050;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInSlide 0.5s ease-out forwards, fadeOut 4s ease-in-out 3s forwards;
    pointer-events: auto;
}

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--btn-bg);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease-in-out;
    z-index: 2000;
}
.theme-toggle:hover {
    background: var(--btn-hover);
}

.text-muted {
    color: #6c757d !important;
    transition: color 0.3s ease-in-out;
}

body.dark-mode .text-muted {
    color: #b0b3b8 !important;
}

.theme-toggle-icon {
    font-size: 1.4rem;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    transition: transform 0.3s ease-in-out;
}

.theme-toggle-icon:hover {
    transform: rotate(15deg);
}

.theme-toggle-icon i {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.3s ease, transform 0.3s ease;
    position: absolute;
}

.theme-toggle-icon i.active {
    opacity: 1;
    transform: scale(1);
    position: static;
}

body.dark-mode .modal-content {
    background-color: #1f1f1f !important;
    color: var(--text-color) !important;
    border: 1px solid #444;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.6);
}

body.dark-mode .modal-header {
    background-color: #2b2b2b;
    border-bottom: 1px solid #444;
}

body.dark-mode .modal-title {
    color: var(--text-color);
}

body.dark-mode .form-label {
    color: var(--text-color);
}

body.dark-mode .form-control {
    background-color: #2c2c2c !important;
    color: var(--text-color) !important;
    border: 1px solid #555;
}

body.dark-mode .form-control:focus {
    border-color: #4caf50;
    background-color: #2c2c2c;
    box-shadow: 0 0 0 0.2rem rgba(76, 175, 80, 0.25);
}

body.dark-mode .modal-footer {
    border-top: 1px solid #444;
}

body.dark-mode .btn-close {
    filter: invert(1);
}

body.dark-mode .alert-danger {
    background-color: #4e1f1f;
    color: #f8d7da;
    border-color: #842029;
}

.image-viewer {
    display: none;
    position: fixed;
    z-index: 2000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease-in-out;
}

.image-viewer.active {
    display: flex;
}

.image-viewer img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.6);
    animation: scaleUp 0.3s ease-in-out;
}

@media (max-width: 768px) {
    .image-viewer {
        padding: 0;
        inset: 0;
        max-width: 100vw;
        max-height: 100vh;
    }

    .image-viewer img {
        max-width: 100%;
        max-height: 100%;
        width: auto;
        height: auto;
        object-fit: contain;
        border-radius: 10px;
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.6);
        cursor: zoom-out;
    }
}

.image-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2rem;
    color: white;
    cursor: pointer;
    z-index: 2100;
}

@keyframes scaleUp {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        background-color: rgba(0, 0, 0, 0);
    }
    to {
        background-color: rgba(0, 0, 0, 0.8);
    }
}

.about-section {
    background: linear-gradient(
        135deg,
        color-mix(in oklab, #4caf50 4%, transparent),
        color-mix(in oklab, #a5d6a7 4%, transparent)
    );
    padding: 40px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: background 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

body.dark-mode .about-section {
    background: linear-gradient(
        135deg,
        color-mix(in oklab, #4caf50 3%, transparent),
        color-mix(in oklab, #81c784 3%, transparent)
    );
    box-shadow: none;
}


.card-bg-1 {
    background: linear-gradient(
        135deg,
        color-mix(in oklab, #4caf50 8%, transparent),
        color-mix(in oklab, #a5d6a7 8%, transparent)
    );
}

.card-bg-2 {
    background: linear-gradient(
        135deg,
        color-mix(in oklab, #2196f3 8%, transparent),
        color-mix(in oklab, #bbdefb 8%, transparent)
    );
}

.card-bg-3 {
    background: linear-gradient(
        135deg,
        color-mix(in oklab, #ff9800 8%, transparent),
        color-mix(in oklab, #ffe0b2 8%, transparent)
    );
}

.card-bg-4 {
    background: linear-gradient(
        135deg,
        color-mix(in oklab, #f44336 8%, transparent),
        color-mix(in oklab, #ffcdd2 8%, transparent)
    );
}

.card-bg-5 {
    background: linear-gradient(
        135deg,
        color-mix(in oklab, #9c27b0 8%, transparent),
        color-mix(in oklab, #e1bee7 8%, transparent)
    );
}

.card-bg-6 {
    background: linear-gradient(
        135deg,
        color-mix(in oklab, #009688 8%, transparent),
        color-mix(in oklab, #b2dfdb 8%, transparent)
    );
}

.card-bg-7 {
    background: linear-gradient(
        135deg,
        color-mix(in oklab, #3f51b5 8%, transparent),
        color-mix(in oklab, #c5cae9 8%, transparent)
    );
}

.card-bg-8 {
    background: linear-gradient(
        135deg,
        color-mix(in oklab, #607d8b 8%, transparent),
        color-mix(in oklab, #cfd8dc 8%, transparent)
    );
}

.card-bg-9 {
    background: linear-gradient(
        135deg,
        color-mix(in oklab, #ff5722 8%, transparent),
        color-mix(in oklab, #ffccbc 8%, transparent)
    );
}

.image-clone {
    position: fixed;
    z-index: 3000;
    transition: all 0.5s ease-in-out;
    border-radius: 10px;
    object-fit: contain;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    pointer-events: none;
}

body.no-scroll {
    overflow: hidden;
}

/*
.grecaptcha-badge{
    display: none;
}

.slide-right {
    opacity: 0;
    transform: translateX(0);
    pointer-events: none;
    transition: opacity 0.6s ease;
}

.slide-right.visible {
    opacity: 1;
    pointer-events: auto;
}


.slide-left {
    transform: translateX(-20px);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.6s ease-out, opacity 0.6s ease-out;
}

.slide-left.visible {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
} */

.project-box {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border, rgba(0, 0, 0, 0.1));
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border 0.3s ease;
}

.project-box:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    border-color: var(--accent, #4caf50);
}

.service-box {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border, rgba(0, 0, 0, 0.1));
    border-radius: 1rem;
    box-shadow: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border 0.3s ease;
}

.service-box:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    border-color: var(--accent, #4caf50);
}

.project-logo {
    height: 60px;
    max-width: 200px;
    object-fit: contain;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
    background-color: white;
    transition: transform 0.3s ease-in-out;
}

body.dark-mode .project-logo {
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 2px 6px rgba(255, 255, 255, 0.04);
    background-color: #2b2b2b;
}

@media (max-width: 576px) {
    .project-logo {
        height: 28px;
        max-width: 64px;
        margin-top: 0.5rem;
    }
}