/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    /* Colors */
    --color-primary: #0a0a0a;
    --color-secondary: #1a1a1a;
    --color-accent: #0023be;
    --color-accent-alt: #00d4ff;
    --color-white: #ffffff;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d8;
    --color-gray-800: #27272a;
    --color-gray-900: #18181b;

    /* Typography */
    --font-primary: "Inter", sans-serif;
    --font-mono: "IBM Plex Mono", monospace;

    /* Font Sizes */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
    --text-3xl: clamp(2rem, 1.7rem + 1.5vw, 3rem);
    --text-4xl: clamp(3rem, 2.5rem + 2.5vw, 4.5rem);
    --text-5xl: clamp(4.5rem, 3.5rem + 5vw, 7rem);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;

    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 2rem;

    /* Animations */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Borders */
    --border-width: 2px;
    --border-radius: 0;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 0px; /* Account for fixed nav height */
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-primary);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.text-accent {
    color: var(--color-accent);
}

.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;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: var(--font-primary);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: var(--border-width) solid;
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn--primary {
    color: var(--color-white);
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--primary:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.btn--secondary {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) var(--container-padding);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* When hidden (hero in view) move nav out and make it visually non-intrusive */
.nav--hidden {
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
}

.nav__links--center {
    display: flex;
    gap: var(--space-xl);
    justify-content: center;
    width: 100%;
}

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

.nav__logo {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 800;
    font-size: var(--text-lg);
}

.nav__name {
    font-weight: 700;
    font-size: var(--text-lg);
    letter-spacing: 0.1em;
}

.nav__links {
    display: flex;
    gap: var(--space-xl);
}

.nav__link {
    font-size: var(--text-sm);
    font-family: var(--font-mono);
    font-weight: 500;
    letter-spacing: 0.05em;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 0px;
    transition:
        color var(--transition-base),
        background var(--transition-base);
}

.nav__link:hover {
    color: var(--color-accent);
    background: rgba(0, 35, 190, 0.08);
}

.nav__link--active {
    color: var(--color-accent);
    background: rgba(0, 35, 190, 0.08);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem;
    z-index: 1001;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-base);
    display: block;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: calc(var(--space-3xl) + 56px);
    padding-bottom: var(--space-3xl);
    background: #f3f4f6;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero__content {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
    grid-template-rows: auto auto;
    grid-template-areas:
        "image text"
        "cta stats";
    gap: var(--space-2xl);
    align-items: start;
}

.hero__image {
    grid-area: image;
    padding-top: 1em;
    justify-self: center;
    align-self: center;
}

.hero__text {
    grid-area: text;
    margin-bottom: var(--space-lg);
    align-self: center;
}

.hero__cta {
    grid-area: cta;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    align-items: center;
    justify-content: flex-start;
    align-self: start;
}

.hero__cta .btn {
    min-width: 160px;
    flex: 1 1 200px;
}

.hero__stats {
    grid-area: stats;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-md);
    width: 100%;
    align-self: start;
}

.hero__photo {
    width: 200px;
    height: 205px;
    border-radius: 50%;
    object-fit:contain;
    /* border: 4px solid var(--color-primary); */
    /* box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); */
    transition: transform var(--transition-base);
}

.hero__photo:hover {
    transform: scale(1.05);
}

.hero__title {
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -0.04em;
    margin-bottom: var(--space-lg);
}

.hero__title-line {
    display: block;
    position: relative;
    overflow: hidden;
}

.hero__title-line--accent {
    color: var(--color-accent);
    position: relative;
}

@keyframes textShine {
    0% {
        left: -100%;
    }
    50% {
        left: 100%;
    }
    100% {
        left: 100%;
    }
}

.hero__subtitle {
    font-size: var(--text-xl);
    color: var(--color-gray-800);
    max-width: clamp(30ch, 45vw, 60ch);
    line-height: 1.5;
    word-break: break-word;
    display: block;
}

.hero__stat {
    padding: var(--space-md);
    border: var(--border-width) solid var(--color-gray-200);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(6px);
    transition:
        transform var(--transition-base),
        border-color var(--transition-base);
}

.hero__stat:hover {
    transform: translateY(-2px);
    border-color: var(--color-accent);
}

.hero__stat-value {
    display: block;
    font-size: var(--text-lg);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 0.25rem;
}

.hero__stat-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    color: var(--color-gray-800);
    text-transform: uppercase;
}

.hero__scroll {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    align-self: end;
    margin-bottom: var(--space-2xl);
}

.hero__scroll-text {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.2em;
    color: var(--color-gray-800);
}

.hero__scroll-indicator {
    width: 2px;
    height: 60px;
    background: var(--color-gray-300);
    position: relative;
    overflow: hidden;
}

.hero__scroll-indicator::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20px;
    background: var(--color-accent);
    animation: scrollIndicator 2s ease-in-out infinite;
}

@keyframes scrollIndicator {
    0%,
    100% {
        transform: translateY(-20px);
        opacity: 0;
    }
    50% {
        transform: translateY(60px);
        opacity: 0;
    }
}

@media (min-width: 1200px) {
    .hero {
        padding-top: calc(var(--space-4xl) + 60px);
        padding-bottom: var(--space-4xl);
    }

    .hero__content {
        max-width: clamp(1200px, 90vw, 1440px);
        grid-template-columns: minmax(260px, 320px) minmax(420px, 1fr) minmax(
                220px,
                280px
            );
        grid-template-rows: auto auto;
        grid-template-areas:
            "image text stats"
            "image cta stats";
        column-gap: var(--space-1xl);
        align-items: stretch;
    }

    .hero__image {
        justify-self: flex-start;
        align-self: center;
        box-shadow: #000000;
    }

    .hero__text {
        max-width: clamp(36ch, 48vw, 64ch);
        text-align: left;
        margin-bottom: var(--space-md);
    }

    .hero__cta {
        justify-content: flex-start;
        align-self: start;
        max-width: 28rem;
    }

    .hero__stats {
        grid-template-columns: 1fr;
        grid-auto-rows: 1fr;
        gap: var(--space-lg);
        align-self: stretch;
    }

    .hero__stat {
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
}

/* ===== SECTION HEADERS ===== */
.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: var(--space-3xl);
    position: relative;
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.section-number {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-gray-800);
    font-weight: 500;
}

/* ===== EXPERIENCE SECTION ===== */
.experience {
    padding: var(--space-4xl) 0;
    background: var(--color-white);
}

.experience__timeline {
    display: grid;
    gap: var(--space-2xl);
}

.experience__item {
    position: relative;
    padding: var(--space-xl) var(--space-xl);
    border: 1px solid var(--color-gray-200);
    background: var(--color-white);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    transition: all var(--transition-base);
}

.experience__item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--color-gray-300);
}

.experience__item::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 5px;
    background: linear-gradient(
        180deg,
        var(--color-accent),
        var(--color-white)
    );
    transition: width var(--transition-base);
}

.experience__item:hover::before {
    width: 8px;
}

.experience__header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.experience__role {
    font-size: var(--text-2xl);
    letter-spacing: -0.02em;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.experience__company {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-gray-800);
    font-weight: 600;
    transition: color var(--transition-base);
}

.experience__item:hover .experience__company {
    color: var(--color-accent);
}

.experience__meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gray-800);
}

.experience__summary {
    font-size: var(--text-base);
    color: var(--color-gray-800);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
    font-weight: 500;
}

.experience__highlights {
    list-style: none;
    margin: 0 0 var(--space-lg) 0;
    padding: 0;
    display: grid;
    gap: 0.875rem;
}

.experience__highlights li {
    position: relative;
    padding-left: 1.75rem;
    color: var(--color-primary);
    line-height: 1.6;
    font-size: var(--text-base);
}

.experience__highlights li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
    transition: all var(--transition-base);
}
/*
.experience__item:hover .experience__highlights li::before {
  transform: scale(1.3);
  box-shadow: 0 0 0 5px rgba(255, 107, 53, 0.2);
} */

.experience__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

/* ===== WORK SECTION ===== */
.work {
    padding: var(--space-4xl) 0;
    background: var(--color-gray-100);
}

.work__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-2xl);
}

.work__item {
    background: var(--color-white);
    border: var(--border-width) solid var(--color-gray-200);
    transition: all var(--transition-base);
    cursor: pointer;
    overflow: hidden;
}

.work__item:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.work__item-visual {
    position: relative;
    height: 250px;
    background: linear-gradient(
        135deg,
        var(--color-gray-200),
        var(--color-gray-300)
    );
    overflow: hidden;
}

.work__item-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        var(--color-accent),
        var(--color-white)
    );
    opacity: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.work__item-image .github-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    transition: all var(--transition-base);
    opacity: 0.8;
}

.work__item-image .github-icon:hover {
    opacity: 1;
    transform: scale(1.1);
}

.work__item-image .github-icon svg {
    width: 48px;
    height: 48px;
    stroke: var(--color-white);
}

.work__item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.work__item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.work__item:hover .work__item-overlay {
    opacity: 1;
}

.work__item-tech {
    color: var(--color-white);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 500;
    letter-spacing: 0.1em;
}

.work__item-content {
    padding: var(--space-lg);
}

.work__item-title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.work__item-description {
    color: var(--color-gray-800);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.work__item-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--color-gray-200);
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--space-4xl) 0;
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.about__paragraph {
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.about__paragraph--large {
    font-size: var(--text-2xl);
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-primary);
}

.about__skills-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    letter-spacing: 0.05em;
}

.skills-grid {
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.skill-category__title {
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
}

.skill-list {
    list-style: none;
}

.skill-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-gray-200);
    font-weight: 500;
    transition: all var(--transition-base);
}

.skill-list li:hover {
    color: var(--color-accent);
    padding-left: var(--space-sm);
}

.skill-list li:last-child {
    border-bottom: none;
}

/* ===== EDUCATION SECTION ===== */
.education {
    padding: var(--space-4xl) 0;
    background: var(--color-gray-100);
}

.education__list {
    display: grid;
    gap: var(--space-2xl);
}

.education__item {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    padding: var(--space-xl) var(--space-xl);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    transition: all var(--transition-base);
}

.education__item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--color-gray-300);
}

.education__item::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 5px;
    background: linear-gradient(
        180deg,
        var(--color-accent),
        var(--color-white)
    );
    transition: width var(--transition-base);
}

.education__item:hover::before {
    width: 8px;
}

.education__header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.education__degree {
    font-size: var(--text-2xl);
    letter-spacing: -0.02em;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.education__institution {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-gray-800);
    font-weight: 600;
    transition: color var(--transition-base);
}

.education__item:hover .education__institution {
    color: var(--color-accent);
}

.education__meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gray-800);
}

.education__details {
    font-size: var(--text-base);
    color: var(--color-gray-800);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
    font-weight: 500;
}

.education__highlights {
    list-style: none;
    margin: 0 0 var(--space-lg) 0;
    padding: 0;
    display: grid;
    gap: 0.875rem;
}

.education__highlights li {
    position: relative;
    padding-left: 1.75rem;
    color: var(--color-primary);
    line-height: 1.6;
    font-size: var(--text-base);
}

.education__highlights li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
    transition: all var(--transition-base);
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--space-4xl) 0;
    background: var(--color-primary);
    color: var(--color-white);
}

.contact .section-title {
    color: var(--color-white);
}

.contact .section-number {
    color: var(--color-gray-300);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact__heading {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    line-height: 1.2;
}

.contact__description {
    font-size: var(--text-lg);
    line-height: 1.6;
    color: var(--color-gray-300);
}

.contact__info {
    display: grid;
    gap: var(--space-xl);
}

.contact__label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
}

.contact__link {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-white);
    transition: color var(--transition-base);
}

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

.contact__social {
    display: flex;
    gap: var(--space-lg);
}

.contact__social-link {
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-gray-300);
    transition: all var(--transition-base);
    position: relative;
}

.contact__social-link::after {
    content: "";
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.contact__social-link:hover {
    color: var(--color-white);
}

.contact__social-link:hover::after {
    width: 100%;
}

.contact__languages {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gray-300);
}

.contact__language {
    position: relative;
    padding-left: 1rem;
}

.contact__language::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.45rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-white);
}

/* ===== FOOTER ===== */
.footer {
    padding: var(--space-2xl) 0;
    background: var(--color-gray-900);
    color: var(--color-gray-300);
}

.footer__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer__copy {
    display: flex;
    gap: var(--space-md);
    font-size: var(--text-sm);
}

.footer__links {
    display: flex;
    gap: var(--space-lg);
}

.footer__link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-300);
    transition: color var(--transition-base);
}

.footer__link:hover {
    color: var(--color-white);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .hero {
        padding-top: calc(var(--space-3xl) + 56px);
        padding-bottom: var(--space-3xl);
    }

    .nav {
        justify-content: space-between;
    }

    .nav__links,
    .nav__links--center {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-lg);
        padding: var(--space-xl) var(--space-md);
        min-height: 100vh;
        transform: translateX(100%);
        transition: transform var(--transition-base);
        z-index: 999;
    }

    .nav__links--open,
    .nav__links--center.nav__links--open {
        transform: translateX(0);
    }

    .nav--menu-open {
        background: transparent;
        border-bottom-color: transparent;
    }

    .nav--menu-open::before {
        content: "";
        position: fixed;
        inset: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        z-index: -1;
    }

    body.nav-open {
        overflow: hidden;
    }

    .nav__link {
        font-size: var(--text-lg);
        text-align: center;
        width: auto;
    }

    .nav__toggle {
        display: flex;
        z-index: 1001;
        position: relative;
        margin-left: auto;
    }

    .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(7px, -7px);
    }

    .hero__content {
        grid-template-columns: 1fr;
        grid-template-areas:
            "image"
            "text"
            "cta"
            "stats";
        justify-items: center;
        text-align: center;
        gap: var(--space-xl);
    }

    .hero__image {
        padding-top: 0;
    }

    .hero__scroll {
        display: none;
    }

    .hero__cta {
        flex-direction: column;
        justify-content: center;
        width: 100%;
    }

    .hero__cta .btn {
        width: 100%;
    }

    .hero__title {
        font-size: clamp(2.5rem, 2.3rem + 2vw, 3.5rem);
    }

    .hero__subtitle {
        font-size: var(--text-lg);
        max-width: 32ch;
        margin-left: auto;
        margin-right: auto;
    }

    .hero__stats {
        grid-template-columns: 1fr;
        width: 100%;
        gap: var(--space-sm);
    }

    .experience__item {
        padding: var(--space-lg) var(--space-md);
    }

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

    .experience__meta {
        align-items: flex-start;
    }

    .work__grid {
        grid-template-columns: 1fr;
    }
    .work__item-visual {
        height: 180px;
    }

    .about__content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .contact__content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .contact__social {
        flex-wrap: wrap;
    }

    .footer__content {
        flex-direction: column;
        text-align: center;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: var(--text-xs);
    }

    .hero {
        padding-top: calc(var(--space-2xl) + 48px);
        padding-bottom: var(--space-2xl);
    }

    .hero__photo {
        width: 140px;
        height: 140px;
    }

    .hero__title {
        font-size: var(--text-4xl);
    }

    .hero__cta {
        flex-direction: column;
    }

    .hero__cta .btn {
        width: 100%;
    }

    .hero__stats {
        grid-template-columns: 1fr;
        gap: var(--space-xs);
    }

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

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

    .experience__meta {
        align-items: flex-start;
    }

    .education__item {
        padding: var(--space-lg);
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Animation classes for JavaScript */
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out forwards;
}

/* Initial state for animated elements */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
    :root {
        --color-gray-200: #000000;
        --color-gray-300: #000000;
        --color-accent: #ff0000;
    }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .hero__grid {
        z-index: -1;
        animation: none;
    }

    .hero__scroll-indicator::after {
        animation: none;
    }

    .hero__title-line--accent::before {
        animation: none;
    }
}