/* ========================================
   MOBILE-SPECIFIC STYLES
   Loaded only on screens ≤ 768px
   ======================================== */

/* Fix containment bug on mobile by disabling backdrop-filter on nav */
.nav {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: var(--white) !important;
}

/* NAV - Full screen mobile menu */
.nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--white);
    padding: 100px 2rem 2rem;
    gap: 0.25rem;
    z-index: 998;
}

.nav-links.active {
    display: flex;
}

.nav-links a {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-700);
    padding: 1rem 1.25rem;
    border-radius: 12px;
    border-bottom: 1px solid var(--gray-100);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    background: var(--gray-50);
    color: var(--black);
}

.nav-cta {
    display: none;
}

.nav-actions {
    margin-left: auto;
    margin-right: 0.75rem;
}

.theme-toggle {
    margin-left: 0;
    margin-right: 0;
}

.nav-toggle {
    display: flex;
    z-index: 999;
}

/* HERO */
.hero {
    padding: 100px 0 50px;
    text-align: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-title {
    font-size: 1.75rem;
    letter-spacing: -0.5px;
}

.hero-role {
    font-size: 1.1rem;
}

.hero-desc {
    font-size: 0.95rem;
    text-align: center;
}

.hero-actions {
    flex-direction: column;
    width: 100%;
}

.hero-actions .btn {
    width: 100%;
    justify-content: center;
    padding: 0.85rem 1.5rem;
}

.hero-social {
    justify-content: center;
}

.hero-social a {
    width: 44px;
    height: 44px;
    font-size: 1.15rem;
}

/* SECTIONS */
.section {
    padding: 50px 0;
}

.section-heading {
    font-size: 1.4rem;
}

.container {
    padding: 0 1.25rem;
}

/* ABOUT */
.about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
}

.about-text h2 {
    font-size: 1.25rem;
    text-align: center;
}

.about-text p {
    font-size: 0.92rem;
}

.about-details {
    padding: 1.25rem;
}

.detail-item {
    padding: 0.7rem 0;
}

/* SKILLS */
.skills-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.skill-item {
    padding: 1.5rem 1.25rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.25rem;
}

.skill-icon {
    margin-bottom: 0;
    min-width: 48px;
}

.skill-item h3 {
    margin-bottom: 0.2rem;
}

.skill-item p {
    font-size: 0.82rem;
}

/* PROJECTS */
.project-featured {
    padding: 1.5rem;
    margin-top: 2rem;
}

.project-content h3 {
    font-size: 1.25rem;
}

.project-content p {
    font-size: 0.9rem;
}

.project-stack {
    gap: 0.35rem;
}

.project-stack span {
    font-size: 0.7rem;
    padding: 0.25rem 0.6rem;
}

.project-links {
    flex-direction: column;
}

.project-links .btn {
    width: 100%;
    justify-content: center;
}

.placeholder-card {
    padding: 2rem 1.5rem;
}

/* CERTIFICATES */
.cert-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-top: 2rem;
}

.cert-card {
    border-radius: var(--radius);
}

.cert-preview {
    height: 100px;
}

.cert-file-icon {
    font-size: 2rem;
}

.cert-img {
    max-height: 80px;
}

.cert-body {
    padding: 0.85rem;
}

.cert-body h3 {
    font-size: 0.85rem;
}

.cert-org {
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
}

.cert-view {
    font-size: 0.7rem;
}

/* EDUCATION */
.edu-card {
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
    margin-top: 2rem;
}

.edu-info h3 {
    font-size: 1.05rem;
}

.edu-college {
    font-size: 0.88rem;
}

/* CONTACT */
.contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
}

.contact-details {
    gap: 0.5rem;
}

.contact-item {
    padding: 0.85rem 1rem;
}

.contact-item i {
    font-size: 1rem;
}

.contact-item strong {
    font-size: 0.78rem;
}

.contact-item span {
    font-size: 0.82rem;
}

.contact-form {
    padding: 1.5rem;
}

.form-row {
    grid-template-columns: 1fr;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 0.85rem;
    font-size: 1rem; /* prevents iOS zoom */
}

/* FOOTER */
.footer-inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
}

/* BACK TO TOP - bigger tap target on mobile */
.to-top {
    width: 46px;
    height: 46px;
    bottom: 1.25rem;
    right: 1.25rem;
}

/* Extra small screens */
@media (max-width: 380px) {
    .hero-title {
        font-size: 1.5rem;
    }

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

    .hero-badge {
        font-size: 0.72rem;
        padding: 0.3rem 0.75rem;
    }
}

/* Dark mode mobile overrides */
body.dark-mode .nav {
    background: var(--white) !important; /* maps to #111111 in dark mode variables */
}

body.dark-mode .nav-links {
    background: var(--white);
}

body.dark-mode .nav-links a:hover,
body.dark-mode .nav-links a.active {
    background: #222222;
}