/* ===== ATM Design System ===== */
:root {
    --bg-light: #F8F8F8;
    --bg-dark: #0D0D0D;
    --bg-card: #1A1A1A;
    --text-dark: #1A1A1A;
    --text-light: #FFFFFF;
    --text-muted: #6B6B6B;
    --text-muted-light: #9A9A9A;
    --accent: #00D4AA;
    --accent-dim: rgba(0, 212, 170, 0.15);
    --border: rgba(255, 255, 255, 0.1);
    --border-dark: #E5E5E5;
    --sans: 'Inter', -apple-system, sans-serif;
}

/* Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Skip to content link for accessibility */
.skip-link {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--text-dark);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 16px;
}

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

body {
    font-family: var(--sans);
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

::selection {
    background: var(--accent);
    color: var(--bg-dark);
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 48px;
    background: rgba(248, 248, 248, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-dark);
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nav-logo span {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--text-dark);
}

.nav-cta {
    background: var(--text-dark) !important;
    color: var(--text-light) !important;
    padding: 10px 24px !important;
    border-radius: 8px;
    transition: transform 0.3s, opacity 0.3s !important;
}

.nav-cta:hover {
    opacity: 0.85;
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: var(--text-dark);
    transition: 0.3s;
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: 120px 48px 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--accent-dim);
    border: 1px solid var(--accent);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 32px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

.hero-greeting {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.hero-name {
    font-size: clamp(3rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.hero-name-accent {
    color: var(--accent);
}

.hero-credentials {
    display: inline-block;
    font-size: 0.35em;
    font-weight: 500;
    color: var(--text-muted);
    vertical-align: top;
    margin-left: 8px;
}

.hero-title {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.hero-cta {
    display: flex;
    gap: 16px;
}

.btn-primary {
    display: inline-block;
    padding: 14px 32px;
    background: var(--text-dark);
    color: var(--text-light);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: transform 0.3s, opacity 0.3s;
}

.btn-primary:hover {
    opacity: 0.85;
    transform: translateY(-2px);
}

.btn-secondary {
    display: inline-block;
    padding: 14px 32px;
    background: transparent;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    border: 2px solid var(--border-dark);
    cursor: pointer;
    transition: border-color 0.3s;
}

.btn-secondary:hover {
    border-color: var(--text-dark);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-photo {
    width: 400px;
    height: 480px;
    object-fit: cover;
    border-radius: 24px;
    filter: grayscale(20%);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 48px;
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    text-transform: uppercase;
}

.scroll-line {
    width: 60px;
    height: 2px;
    background: var(--border-dark);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent);
    animation: scroll-anim 2s infinite;
}

@keyframes scroll-anim {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* ===== Ticker ===== */
.ticker {
    background: var(--text-dark);
    padding: 16px 0;
    overflow: hidden;
}

.ticker-track {
    display: flex;
    gap: 32px;
    animation: ticker 30s linear infinite;
    white-space: nowrap;
}

.ticker-track span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted-light);
}

@keyframes ticker {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* ===== Section Common ===== */
.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

section h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 40px;
}

/* ===== About ===== */
.about {
    padding: 120px 48px;
    background: var(--bg-light);
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 280px 1fr 320px;
    gap: 48px;
}

.about-header {
    grid-column: 1;
}

.about-content {
    grid-column: 2;
}

.about-stats {
    grid-column: 3;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.about-lead {
    font-size: 1.35rem;
    line-height: 1.5;
    margin-bottom: 20px;
}

.about-lead strong {
    color: var(--accent);
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.about-trust {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 20px;
    background: white;
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    margin-top: 24px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.about-trust strong {
    color: var(--text-dark);
}

.trust-icon {
    color: var(--accent);
    font-size: 1.2rem;
}

.stat-card {
    text-align: right;
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
}

.stat-plus {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 8px;
    line-height: 1.3;
}

/* ===== Work ===== */
.work {
    padding: 120px 48px;
    background: var(--bg-dark);
    color: var(--text-light);
}

.work-container {
    max-width: 1200px;
    margin: 0 auto;
}

.work-header .section-label {
    color: var(--accent);
}

.work-grid {
    columns: 3;
    column-gap: 20px;
}

.work-card {
    break-inside: avoid;
    margin-bottom: 20px;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: var(--bg-card);
    transition: transform 0.4s;
}

.work-card:hover {
    transform: translateY(-6px);
}

/* Varied heights for masonry effect */
.work-card:nth-child(1) .work-image {
    aspect-ratio: 4/5;
}

.work-card:nth-child(2) .work-image {
    aspect-ratio: 3/2;
}

.work-card:nth-child(3) .work-image {
    aspect-ratio: 1/1;
}

.work-card:nth-child(4) .work-image {
    aspect-ratio: 4/3;
}

.work-card:nth-child(5) .work-image {
    aspect-ratio: 3/4;
}

.work-card:nth-child(6) .work-image {
    aspect-ratio: 16/9;
}

.work-card:nth-child(7) .work-image {
    aspect-ratio: 1/1;
}

.work-card:nth-child(8) .work-image {
    aspect-ratio: 4/5;
}

.work-card:nth-child(9) .work-image {
    aspect-ratio: 3/2;
}

.work-card:nth-child(10) .work-image {
    aspect-ratio: 4/3;
}

.work-card:nth-child(11) .work-image {
    aspect-ratio: 3/2;
}

.work-card:nth-child(12) .work-image {
    aspect-ratio: 1/1;
}

.work-image {
    width: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s;
}

.work-card:hover .work-image {
    transform: scale(1.05);
}

.work-overlay {
    padding: 24px;
}

.work-tags {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted-light);
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.work-overlay h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.work-year {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(0, 212, 170, 0.15);
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 8px;
}

.work-overlay p {
    font-size: 0.9rem;
    color: var(--text-muted-light);
    margin-bottom: 12px;
}

.work-link {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    border-bottom: 1px solid var(--accent);
    padding-bottom: 2px;
}

.work-more {
    text-align: center;
    color: var(--text-muted-light);
    margin-top: 48px;
    font-size: 0.95rem;
}

/* ===== Skills ===== */
.skills {
    padding: 120px 48px;
    background: var(--bg-light);
}

.skills-container {
    max-width: 1200px;
    margin: 0 auto;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.skill-card {
    padding: 32px;
    background: white;
    border: 1px solid var(--border-dark);
    border-radius: 16px;
    transition: border-color 0.3s, transform 0.3s;
}

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

.skill-primary {
    grid-column: span 1;
    grid-row: span 2;
    background: var(--text-dark);
    color: var(--text-light);
    border: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.skill-primary:hover {
    background: #222;
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 24px;
    color: var(--accent);
}

.skill-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.skill-primary h3 {
    font-size: 1.5rem;
}

.skill-card p {
    font-size: 0.9rem;
    color: var(--text-muted-light);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tags span {
    padding: 8px 14px;
    background: var(--bg-light);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Certs */
.certs {
    border-top: 1px solid var(--border-dark);
    padding-top: 48px;
}

.certs h3 {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 24px;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.cert-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px;
    background: white;
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    cursor: pointer;
    transition: border-color 0.3s;
}

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

.cert-logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.cert-info strong {
    display: block;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.cert-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.cert-badge {
    margin-left: auto;
    padding: 6px 12px;
    background: var(--accent-dim);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.eye-icon {
    width: 14px;
    height: 14px;
}

/* ===== Experience ===== */
.experience {
    padding: 120px 48px;
    background: var(--bg-dark);
    color: var(--text-light);
}

.experience-container {
    max-width: 1200px;
    margin: 0 auto;
}

.experience-header .section-label {
    color: var(--accent);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.exp-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    transition: border-color 0.3s;
}

.exp-card:hover {
    border-color: var(--text-muted-light);
}

.exp-current {
    border-color: var(--accent);
}

.exp-date {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.05em;
    margin-bottom: 20px;
}

.exp-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.exp-company {
    font-size: 0.9rem;
    color: var(--text-muted-light);
    margin-bottom: 16px;
}

.exp-desc {
    font-size: 0.9rem;
    color: var(--text-muted-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.exp-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.exp-tags span {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-muted-light);
}

.education {
    border-top: 1px solid var(--border);
    padding-top: 48px;
}

.education h3 {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-muted-light);
    text-transform: uppercase;
    margin-bottom: 16px;
}

.education p {
    color: var(--text-muted-light);
}

.education strong {
    color: var(--text-light);
}

.edu-date {
    font-size: 0.85rem;
    color: var(--text-muted-light);
}

/* ===== Contact ===== */
.contact {
    padding: 120px 48px;
    background: var(--bg-light);
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
}

.contact-header h2 {
    margin-bottom: 20px;
}

.contact-header p {
    color: var(--text-muted);
    font-size: 1.05rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}

.contact-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 24px;
    background: white;
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    transition: border-color 0.3s, transform 0.3s;
}

.contact-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
}

.contact-cta {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-dark);
}

.contact-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    text-transform: uppercase;
}

.contact-cta .contact-label {
    color: rgba(0, 0, 0, 0.5);
}

.contact-value {
    font-size: 0.95rem;
    font-weight: 500;
}

.contact-form {
    grid-column: 2;
}

/* Honeypot field - hidden from users but visible to bots */
.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    overflow: hidden;
}

.contact-form h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    background: white;
    border: 1px solid var(--border-dark);
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    margin-bottom: 16px;
    transition: border-color 0.3s;
    outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--accent);
}

.contact-form button {
    width: 100%;
}

/* ===== Footer ===== */
.footer {
    padding: 40px 48px;
    background: var(--bg-dark);
    color: var(--text-muted-light);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: right;
    font-size: 0.85rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 140px;
    }

    .hero-content {
        max-width: 100%;
        order: 2;
    }

    .hero-visual {
        order: 1;
        margin-bottom: 40px;
    }

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

    .hero-scroll {
        display: none;
    }

    .about-container {
        grid-template-columns: 1fr;
    }

    .about-header,
    .about-content,
    .about-stats {
        grid-column: 1;
    }

    .about-stats {
        flex-direction: row;
        justify-content: center;
        gap: 48px;
    }

    .stat-card {
        text-align: center;
    }

    .work-grid {
        columns: 2;
    }

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

    .skill-primary {
        grid-row: span 1;
    }

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

    .contact-container {
        grid-template-columns: 1fr;
    }

    .contact-form {
        grid-column: 1;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 16px 24px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--bg-light);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 32px;
        transition: right 0.4s;
        border-left: 1px solid var(--border-dark);
    }

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

    .nav-menu a {
        font-size: 1.2rem;
        color: var(--text-dark);
    }

    .nav-toggle {
        display: flex;
    }

    .hero,
    .about,
    .work,
    .skills,
    .experience,
    .contact {
        padding: 80px 24px;
    }

    .hero-photo {
        width: 280px;
        height: 340px;
    }

    .work-grid {
        columns: 1;
    }

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

    .skill-primary {
        grid-row: auto;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}