/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--fs-small);
    cursor: pointer;
    border: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-base), background var(--transition-base);
    text-decoration: none;
    line-height: 1;
    position: relative;
}

.btn:hover {
    transform: translateY(-2px);
}

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

.btn--primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(123, 47, 190, 0.3);
}

.btn--primary:hover {
    box-shadow: 0 8px 25px rgba(123, 47, 190, 0.4);
    color: var(--white);
}

.btn--outline {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
}

.btn--outline:hover {
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--white);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.05);
}

.btn--small {
    padding: 0.4rem 1rem;
    font-size: var(--fs-tiny);
}

/* ── Navigation ── */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    border-bottom: 1px solid transparent;
}

/* Scroll progress bar at top of nav */
.nav-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.1s linear;
    z-index: 1001;
}

.site-nav.scrolled {
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: var(--blur-nav);
    -webkit-backdrop-filter: var(--blur-nav);
    box-shadow: 0 1px 30px rgba(0, 0, 0, 0.3);
    border-bottom-color: rgba(255, 255, 255, 0.03);
}

.site-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    letter-spacing: -0.02em;
    transition: opacity var(--transition-fast);
}

.nav-logo:hover {
    color: var(--white);
    opacity: 0.9;
}

.nav-logo span {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Nav menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    color: var(--gray-400);
    font-size: var(--fs-small);
    font-weight: 500;
    transition: color var(--transition-fast), background var(--transition-fast);
    text-decoration: none;
    position: relative;
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-full);
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.08);
}

/* Subtle underline indicator */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transition: transform var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* CTA in nav */
.nav-cta {
    margin-left: 0.75rem;
}

.nav-cta .btn {
    padding: 0.4rem 1.25rem;
    font-size: var(--fs-tiny);
}

/* Hamburger */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-md);
    z-index: 1001;
    transition: background var(--transition-fast);
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.06);
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--white);
    border-radius: 1px;
    transition: transform var(--transition-base), opacity var(--transition-fast);
}

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

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
}

@media (max-width: 767px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        height: 100dvh;
        background: rgba(15, 15, 26, 0.97);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-xs);
        transition: right var(--transition-base);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
        border-left: 1px solid rgba(255, 255, 255, 0.04);
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-link {
        font-size: var(--fs-body);
        padding: 0.75rem 1.5rem;
        width: 80%;
        text-align: center;
        border-radius: var(--radius-md);
    }

    .nav-cta {
        margin-left: 0;
        margin-top: var(--space-sm);
    }
}

/* ── Cards ── */
.card {
    background: var(--dark-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(123, 47, 190, 0.1);
}

.card:hover::before {
    opacity: 1;
}

.card__image {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    background: var(--dark-lighter);
    transition: transform var(--transition-slow);
}

.card:hover .card__image {
    transform: scale(1.02);
}

.card__body {
    padding: var(--space-sm) var(--space-md) var(--space-md);
}

.card__title {
    font-size: var(--fs-body);
    font-weight: 600;
    margin-bottom: 6px;
}

.card__description {
    color: var(--gray-400);
    font-size: var(--fs-small);
    margin-bottom: var(--space-xs);
    line-height: 1.6;
}

.card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: var(--space-xs);
}

.card__links {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: var(--space-xs);
}

/* ── Badges / Tags ── */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    font-size: var(--fs-tiny);
    font-weight: 600;
    background: rgba(123, 47, 190, 0.1);
    color: var(--purple-light);
    border: 1px solid rgba(123, 47, 190, 0.15);
    line-height: 1.4;
}

.badge--blue {
    background: rgba(37, 99, 235, 0.1);
    color: var(--blue-light);
    border-color: rgba(37, 99, 235, 0.15);
}

.badge--green {
    background: rgba(16, 185, 129, 0.1);
    color: var(--green-light);
    border-color: rgba(16, 185, 129, 0.15);
}

.badge--active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--green-light);
    border-color: rgba(16, 185, 129, 0.15);
}

.badge--wip {
    background: rgba(245, 158, 11, 0.1);
    color: #FBBF24;
    border-color: rgba(245, 158, 11, 0.15);
}

.badge--planned {
    background: rgba(107, 114, 128, 0.1);
    color: var(--gray-300);
    border-color: rgba(107, 114, 128, 0.15);
}

/* ── Filter Buttons ── */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    margin-bottom: var(--space-lg);
}

.filter-btn {
    padding: 0.45rem 1.1rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
    color: var(--gray-400);
    font-size: var(--fs-small);
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
}

.filter-btn.active {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
    box-shadow: 0 2px 10px rgba(123, 47, 190, 0.3);
}

/* ── Leap Tool Card (styles in sections.css) ── */

/* ── Footer ── */
.site-footer {
    background: var(--dark-lighter);
    padding: var(--space-xl) 0 var(--space-lg);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(123, 47, 190, 0.3), rgba(37, 99, 235, 0.3), rgba(16, 185, 129, 0.3), transparent);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    text-align: center;
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--gray-400);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(123, 47, 190, 0.3);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.footer-copy {
    color: var(--gray-500);
    font-size: var(--fs-small);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 99;
}

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

.back-to-top:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(123, 47, 190, 0.3);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* ── Skills List (about section) ── */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.skill-tag {
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--fs-tiny);
    font-weight: 500;
    background: rgba(255, 255, 255, 0.03);
    color: var(--gray-300);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: rgba(123, 47, 190, 0.08);
    border-color: rgba(123, 47, 190, 0.15);
    color: var(--purple-light);
    transform: translateY(-1px);
}

/* ── Contact ── */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-300);
    font-size: var(--fs-body);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
}

.contact-item svg {
    width: 20px;
    height: 20px;
    fill: var(--purple-light);
    flex-shrink: 0;
}

.contact-item a {
    color: var(--gray-300);
}

.contact-item:hover a {
    color: var(--white);
}

/* Contact Form 7 overrides */
.wpcf7 input[type="text"],
.wpcf7 input[type="email"],
.wpcf7 textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.03);
    color: var(--white);
    font-family: var(--font-body);
    font-size: var(--fs-body);
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.wpcf7 input[type="text"]::placeholder,
.wpcf7 input[type="email"]::placeholder,
.wpcf7 textarea::placeholder {
    color: var(--gray-500);
}

.wpcf7 input:focus,
.wpcf7 textarea:focus {
    outline: none;
    border-color: var(--purple);
    background: rgba(123, 47, 190, 0.04);
}

.wpcf7 input[type="submit"] {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.75rem 2rem;
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--fs-body);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-base);
    width: 100%;
}

.wpcf7 input[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(123, 47, 190, 0.4);
}

.wpcf7 p {
    margin-bottom: var(--space-sm);
}

.wpcf7 label {
    display: block;
    font-size: var(--fs-small);
    color: var(--gray-400);
    margin-bottom: 4px;
    font-weight: 500;
}