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

:root {
    --primary: #050507;
    --secondary: #121218;
    --accent: #00f5a0;
    --accent-dim: #00c6ff;
    --text: #f9fafb;
    --text-dim: #9ca3af;
    --gradient: linear-gradient(135deg, #00f5a0 0%, #00c6ff 40%, #7c3aed 100%);
    --logo-gradient: #00f5a0;
    --name-gradient: #00f5a0;
    /* Accent opacity tokens */
    --accent-07: rgba(0, 245, 160, 0.07);
    --accent-10: rgba(0, 245, 160, 0.10);
    --accent-20: rgba(0, 245, 160, 0.20);
    --accent-30: rgba(0, 245, 160, 0.30);
    --accent-50: rgba(0, 245, 160, 0.50);
}

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--primary);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animated Background Grid */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--accent-07) 1px, transparent 1px),
        linear-gradient(90deg, var(--accent-07) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
    animation: gridPulse 3s ease-in-out infinite;
}

@keyframes gridPulse {
    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.6;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* Header */
.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--logo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    transition: all 0.25s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

nav a:hover {
    color: var(--accent);
}

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

nav a.active {
    color: var(--accent);
}

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

/* Hero Section */
.hero {
    padding: 6rem 0 8rem;
    animation: fadeIn 1s ease-out 0.2s both;
}

.hero-content {
    max-width: 800px;
}

.hero-greeting {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.hero-title {
    font-family: 'Syne', sans-serif;
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 0.95;
    margin-bottom: 1.25rem;
    letter-spacing: -0.03em;
    animation: fadeIn 1s ease-out 0.2s both;
}

.hero-title .name {
    background: var(--name-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    position: relative;
}

/* Typing cursor animation */
.typing-cursor {
    color: var(--accent);
    font-weight: 400;
    opacity: 1;
    animation: cursorBlink 1s infinite;
    margin-left: 2px;
    display: inline-block;
    vertical-align: baseline;
}

.typing-cursor.cursor-blink {
    animation: cursorBlink 1s infinite;
}

@keyframes cursorBlink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
    font-weight: 400;
    letter-spacing: 0.01em;
    min-height: 2rem;
}

.hero-description {
    font-size: 1rem;
    color: var(--text-dim);
    margin-bottom: 3rem;
    max-width: 600px;
    line-height: 1.8;
}

.contact-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--accent-10);
    border: 1px solid var(--accent-30);
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-icon {
    width: 1.1rem;
    height: 1.1rem;
    display: block;
}

.contact-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent);
    transition: left 0.3s ease;
    z-index: -1;
}

.contact-link:hover {
    color: var(--primary);
    border-color: var(--accent);
}

.contact-link:hover::before {
    left: 0;
}

.cv-download {
    position: relative;
    display: inline-block;
}

.cv-download .contact-link--cv {
    cursor: pointer;
    font-family: inherit;
    background: var(--accent-10);
}

.cv-chevron {
    width: 1rem;
    height: 1rem;
    transition: transform 0.3s ease;
}

.cv-download .contact-link--cv[aria-expanded="true"] .cv-chevron {
    transform: rotate(180deg);
}

.cv-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    min-width: 100%;
    list-style: none;
    margin: 0;
    padding: 0.25rem 0;
    background: var(--primary);
    border: 1px solid var(--accent-30);
    z-index: 10;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.cv-menu[hidden] {
    display: none;
}

.cv-menu a {
    display: block;
    padding: 0.6rem 1.25rem;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: background 0.2s ease, color 0.2s ease;
}

.cv-menu a:hover,
.cv-menu a:focus-visible {
    background: var(--accent);
    color: var(--primary);
    outline: none;
}

/* Section Styles */
section {
    padding: 4rem 0;
    animation: fadeIn 1s ease-out;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.section-number {
    font-family: 'Syne', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent);
}

.section-title {
    font-family: 'Syne', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    text-rendering: geometricPrecision;
}

.section-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--accent-50) 0%, transparent 100%);
    margin-left: 2rem;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--secondary);
    padding: 2rem;
    border: 1px solid var(--accent-10);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.skill-category:hover {
    border-color: var(--accent-30);
    transform: translateY(-4px);
}

.skill-category:hover::before {
    transform: scaleX(1);
}

.skill-category h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 1rem;
    font-weight: 700;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    padding: 0.4rem 0.8rem;
    background: var(--accent-10);
    border: 1px solid var(--accent-20);
    font-size: 0.85rem;
    color: var(--text-dim);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--accent-20);
    color: var(--accent);
}

/* Projects */
.projects-grid {
    display: grid;
    gap: 3rem;
}

.project-card {
    background: var(--secondary);
    border: 1px solid var(--accent-10);
    padding: 2.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: block;
    text-decoration: none;
    color: inherit;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.3s ease;
}

.project-card:hover {
    border-color: var(--accent-30);
    transform: translateX(8px);
}

.project-card:hover::before {
    transform: scaleY(1);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.project-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

.project-date {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 500;
}

.project-company {
    color: var(--text-dim);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    font-style: italic;
}

.project-tech {
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.project-description {
    color: var(--text-dim);
    line-height: 1.8;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
}

.project-description li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.project-description li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* Education */
.education-grid {
    display: grid;
    gap: 2rem;
}

.education-card {
    background: var(--secondary);
    border: 1px solid var(--accent-10);
    padding: 2rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    transition: all 0.3s ease;
}

.education-card:hover {
    border-color: var(--accent-30);
}

.education-info h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.education-degree {
    color: var(--text-dim);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.education-details {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.8;
}

.education-meta {
    text-align: right;
}

.education-location {
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.education-period {
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* Languages */
.languages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.language-item {
    background: var(--secondary);
    border: 1px solid var(--accent-10);
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.language-item:hover {
    border-color: var(--accent-30);
    transform: scale(1.02);
}

.language-name {
    font-size: 1rem;
    font-weight: 500;
}

.language-level {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Footer */
footer {
    padding: 4rem 0 2rem;
    text-align: center;
    border-top: 1px solid var(--accent-10);
    margin-top: 6rem;
}

.footer-content {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-link {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-phone-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.footer-phone-icon {
    width: 1rem;
    height: 1rem;
    display: block;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.footer-link:hover {
    color: var(--accent);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
/* Tablets and small laptops */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero {
        padding: 4rem 0 5rem;
    }

    .hero-title {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 2.1rem;
    }
}

/* Mobile phones */
@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }

    header {
        padding: 1.25rem 0;
    }

    .header-content {
        flex-direction: row;
        align-items: center;
        gap: 0.75rem;
    }

    .hero {
        padding: 3.5rem 0 4rem;
    }

    .hero-title {
        font-size: 2.6rem;
        line-height: 1.05;
    }

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

    .hero-description {
        font-size: 0.95rem;
    }

    section {
        padding: 3rem 0;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .section-line {
        width: 100%;
        margin-left: 0;
    }

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

    .projects-grid {
        gap: 2rem;
    }

    .project-card {
        padding: 1.75rem;
    }

    .education-card {
        grid-template-columns: 1fr;
        gap: 1.25rem;
        padding: 1.75rem;
    }

    .education-meta {
        text-align: left;
    }

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

    .language-item {
        padding: 1.25rem;
    }

    .contact-icon,
    .footer-phone-icon {
        width: 1rem;
        height: 1rem;
    }

    footer {
        margin-top: 3rem;
        padding: 3rem 0 1.5rem;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 1rem 1.5rem;
    }
}

/* Very small devices */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .project-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .contact-links {
        flex-direction: column;
        align-items: stretch;
    }
}

/* Scroll Animations */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Project link hint */
.project-link-hint {
    display: block;
    margin-top: 1rem;
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
}

a.project-card:hover .project-link-hint {
    opacity: 1;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    .fade-in-section {
        opacity: 1;
        transform: none;
    }
}

/* =====================================================
   D1: Skip navigation link
   ===================================================== */
.skip-nav {
    position: fixed;
    top: -100%;
    left: 1rem;
    z-index: 9999;
    padding: 0.75rem 1.5rem;
    background: var(--accent);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-nav:focus {
    top: 1rem;
}

/* =====================================================
   D2: Focus styles for keyboard navigation
   ===================================================== */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* =====================================================
   A7: Scroll progress bar
   ===================================================== */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: var(--gradient);
    z-index: 500;
    pointer-events: none;
}

/* =====================================================
   A6: Interactive background glow
   ===================================================== */
.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-10) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    will-change: transform;
}

/* =====================================================
   A2: Sticky/shrinking header
   ===================================================== */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1.25rem 0;
    animation: fadeInDown 0.8s ease-out;
    background: transparent;
    transition: border-color 0.3s ease, background 0.3s ease;
    border-bottom: 1px solid transparent;
    margin-bottom: 0;
}

header.header--scrolled {
    border-bottom-color: var(--accent-10);
    background: rgba(5, 5, 7, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* =====================================================
   A3: Mobile hamburger menu
   ===================================================== */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 200;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* =====================================================
   A1: Theme toggle button
   ===================================================== */
.theme-toggle {
    background: none;
    border: 1px solid var(--accent-20);
    color: var(--text-dim);
    cursor: pointer;
    padding: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease, border-color 0.3s ease, background 0.3s ease;
    border-radius: 4px;
    flex-shrink: 0;
}

.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--accent-50);
    background: var(--accent-07);
}

/* Show sun icon in dark mode, moon icon in light mode */
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }
[data-theme="light"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: block; }

/* =====================================================
   A1: Light theme overrides
   ===================================================== */
[data-theme="light"] {
    --primary: #f5f5f7;
    --secondary: #ffffff;
    --text: #1a1a2e;
    --text-dim: #4a5568;
    --accent: #059669;
    --accent-dim: #0284c7;
    --logo-gradient: #059669;
    --name-gradient: #059669;
    --accent-07: rgba(5, 150, 105, 0.07);
    --accent-10: rgba(5, 150, 105, 0.10);
    --accent-20: rgba(5, 150, 105, 0.20);
    --accent-30: rgba(5, 150, 105, 0.30);
    --accent-50: rgba(5, 150, 105, 0.50);
}

[data-theme="light"] .bg-grid {
    background-image:
        linear-gradient(var(--accent-07) 1px, transparent 1px),
        linear-gradient(90deg, var(--accent-07) 1px, transparent 1px);
    opacity: 0.5;
}

[data-theme="light"] .progress-bar {
    background: linear-gradient(135deg, #059669 0%, #0284c7 40%, #7c3aed 100%);
}

[data-theme="light"] header {
    background: transparent;
}

[data-theme="light"] header.header--scrolled {
    background: rgba(245, 245, 247, 0.75);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

[data-theme="light"] .contact-link:hover {
    color: var(--secondary);
}

[data-theme="light"] .project-card,
[data-theme="light"] .education-card,
[data-theme="light"] .skill-category,
[data-theme="light"] .language-item {
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

/* =====================================================
   A5: Scroll-to-top button
   ===================================================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background: var(--secondary);
    border: 1px solid var(--accent-30);
    color: var(--accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease;
    border-radius: 4px;
}

.scroll-top:hover {
    background: var(--accent-10);
}

.scroll-top--visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

/* =====================================================
   B6: Timeline layout
   ===================================================== */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 0;
    width: 2px;
    background: var(--accent-20);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -1.75rem;
    top: 1.5rem;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    border: 2px solid var(--primary);
    box-shadow: 0 0 0 2px var(--accent-30);
    z-index: 1;
}

/* =====================================================
   E1: Contact form
   ===================================================== */
.contact-form {
    max-width: 600px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 0.5rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--secondary);
    border: 1px solid var(--accent-20);
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    transition: border-color 0.3s ease, background 0.3s ease;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-dim);
    opacity: 0.6;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--primary);
}

.form-submit {
    padding: 0.75rem 2rem;
    background: var(--accent-10);
    border: 1px solid var(--accent-30);
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.form-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent);
    transition: left 0.3s ease;
    z-index: -1;
}

.form-submit:hover {
    color: var(--primary);
    border-color: var(--accent);
}

.form-submit:hover::before {
    left: 0;
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-status {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
}

.form-status--success {
    background: var(--accent-10);
    border: 1px solid var(--accent-30);
    color: var(--accent);
}

.form-status--error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

/* =====================================================
   Mobile responsive updates for new features
   ===================================================== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        order: 3;
    }

    #primary-nav {
        display: none;
        flex-direction: column;
        gap: 0;
        width: 100%;
        order: 5;
        background: var(--secondary);
        border: 1px solid var(--accent-10);
        padding: 1rem 0;
        margin-top: 0.5rem;
    }

    #primary-nav.nav--open {
        display: flex;
    }

    #primary-nav a {
        padding: 0.75rem 1.5rem;
        border-bottom: 1px solid var(--accent-07);
        font-size: 0.9rem;
    }

    #primary-nav a:last-child {
        border-bottom: none;
    }

    .theme-toggle {
        order: 4;
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline-dot {
        left: -1.25rem;
    }

    .scroll-top {
        bottom: 1.25rem;
        right: 1.25rem;
    }
}