/* ============================
   CSS VARIABLES & RESET
   ============================ */

:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --bg-glass: rgba(255, 255, 255, 0.05);

    --text-primary: #f0f0f5;
    --text-secondary: #9494a8;
    --text-muted: #64647a;

    --accent-primary: #6c63ff;
    --accent-secondary: #00d4aa;
    --accent-gradient: linear-gradient(135deg, #6c63ff 0%, #00d4aa 100%);
    --accent-gradient-hover: linear-gradient(135deg, #7d75ff 0%, #00e8bb 100%);

    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(108, 99, 255, 0.3);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Sizing */
    --header-height: 72px;
    --container-max: 1100px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    color: inherit;
}

/* ============================
   LAYOUT
   ============================ */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section--alt {
    background-color: var(--bg-secondary);
}

.section__title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 48px;
    position: relative;
    display: inline-block;
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.section__subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
    margin-top: -32px;
}

/* ============================
   HEADER / NAVIGATION
   ============================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: var(--transition-smooth);
    background: transparent;
}

.header--scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.nav__logo {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-bracket {
    color: var(--accent-primary);
}

.nav__list {
    display: flex;
    gap: 32px;
}

.nav__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition-fast);
    border-radius: 1px;
}

.nav__link:hover,
.nav__link.active {
    color: var(--text-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    background: var(--bg-glass);
}

.lang-toggle:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    background: rgba(108, 99, 255, 0.1);
}

.lang-toggle__flag {
    font-size: 1rem;
}

.nav__toggle {
    display: none;
    color: var(--text-primary);
}

.nav__close {
    display: none;
    position: absolute;
    top: 20px;
    right: 20px;
    color: var(--text-primary);
}

/* ============================
   HERO
   ============================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--header-height);
}

.hero__bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(108, 99, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 99, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero__glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    pointer-events: none;
}

.hero__glow--1 {
    width: 500px;
    height: 500px;
    background: var(--accent-primary);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.hero__glow--2 {
    width: 400px;
    height: 400px;
    background: var(--accent-secondary);
    bottom: -50px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    33% {
        transform: translate(30px, -30px);
    }

    66% {
        transform: translate(-20px, 20px);
    }
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__greeting {
    font-size: 1.1rem;
    color: var(--accent-secondary);
    font-weight: 500;
    margin-bottom: 8px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.2s;
}

.hero__name {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.4s;
}

.hero__title-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.6s;
}

.hero__title-decorator {
    color: var(--accent-primary);
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
}

.hero__title {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 600;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__cursor {
    color: var(--accent-primary);
    font-weight: 300;
    font-size: 1.6rem;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.hero__subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
    line-height: 1.6;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.8s;
}

.hero__actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 1s;
}

.hero__socials {
    display: flex;
    gap: 12px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 1.2s;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: var(--transition-fast);
    background: var(--bg-glass);
}

.social-link:hover {
    color: var(--text-primary);
    border-color: var(--accent-primary);
    background: rgba(108, 99, 255, 0.1);
    transform: translateY(-2px);
}

/* Hero Code Block */
.hero__visual {
    display: flex;
    justify-content: center;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.6s;
}

.hero__code-block {
    background: rgba(17, 17, 24, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    width: 100%;
    max-width: 420px;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.code-block__header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
}

.code-block__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-block__dot--red {
    background: #ff5f57;
}

.code-block__dot--yellow {
    background: #febc2e;
}

.code-block__dot--green {
    background: #28c840;
}

.code-block__title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.code-block__content {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    color: var(--text-secondary);
    overflow-x: auto;
}

.code-keyword {
    color: #c678dd;
}

.code-class {
    color: #e5c07b;
}

.code-string {
    color: #98c379;
}

.code-number {
    color: #d19a66;
}

/* Hero Scroll Indicator */
.hero__scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 1.4s;
}

.scroll-text {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--accent-gradient);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        transform: scaleY(1);
        transform-origin: top;
    }

    51% {
        transform: scaleY(1);
        transform-origin: bottom;
    }

    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* ============================
   BUTTONS
   ============================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn--primary {
    background: var(--accent-gradient);
    color: white;
    position: relative;
    overflow: hidden;
}

.btn--primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient-hover);
    opacity: 0;
    transition: var(--transition-fast);
}

.btn--primary:hover::before {
    opacity: 1;
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.3);
}

.btn--outline {
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    background: transparent;
}

.btn--outline:hover {
    border-color: var(--accent-primary);
    background: rgba(108, 99, 255, 0.1);
    transform: translateY(-2px);
}

.btn--large {
    padding: 16px 40px;
    font-size: 1.05rem;
    border-radius: 14px;
}

/* ============================
   ABOUT SECTION
   ============================ */

.about__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: start;
}

.about__text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about__stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 22px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: var(--transition-fast);
}

.stat-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-highlight);
    transform: translateX(4px);
}

.stat-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(108, 99, 255, 0.1);
    color: var(--accent-primary);
    flex-shrink: 0;
}

.stat-card__value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* ============================
   EXPERIENCE TIMELINE
   ============================ */

.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary), transparent);
}

.timeline__item {
    position: relative;
    margin-bottom: 48px;
    padding: 28px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: var(--transition-fast);
}

.timeline__item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-highlight);
    transform: translateX(4px);
}

.timeline__item::before {
    content: '';
    position: absolute;
    left: -36px;
    top: 34px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 2px var(--accent-primary);
}

.section--alt .timeline__item::before {
    border-color: var(--bg-secondary);
}

.timeline__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 8px;
}

.timeline__company {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.timeline__period {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-secondary);
    background: rgba(0, 212, 170, 0.1);
    padding: 4px 12px;
    border-radius: 20px;
    white-space: nowrap;
}

.timeline__role {
    font-size: 0.95rem;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.timeline__descriptions {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.timeline__desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding-left: 16px;
    position: relative;
}

.timeline__desc::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

/* ============================
   SKILLS
   ============================ */

.skills__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.skill-card {
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: var(--transition-fast);
}

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

.skill-card__name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.skill-card__name::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: var(--accent-gradient);
}

.skill-card__items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition-fast);
}

.skill-tag:hover {
    color: var(--text-primary);
    background: rgba(108, 99, 255, 0.1);
    border-color: var(--border-highlight);
}

/* ============================
   EDUCATION
   ============================ */

.education__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.education-card {
    padding: 28px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
}

.education-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-highlight);
    transform: translateY(-4px);
}

.education-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(108, 99, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--accent-primary);
}

.education-card__name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.education-card__degree {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.education-card__meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.education-card__period,
.education-card__gpa {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.education-card__gpa {
    color: var(--accent-secondary);
}

/* Certifications */
.certifications {
    margin-top: 8px;
}

.cert-card {
    padding: 24px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition-fast);
}

.cert-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-highlight);
}

.cert-card__icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 212, 170, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-secondary);
    flex-shrink: 0;
}

.cert-card__name {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.cert-card__issuer {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.cert-card__focus {
    font-size: 0.8rem;
    color: var(--accent-secondary);
    margin-top: 4px;
}

/* ============================
   PROJECTS
   ============================ */

.projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.project-card {
    padding: 28px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition-fast);
    pointer-events: none;
}

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

.project-card:hover::before {
    opacity: 0.03;
}

.project-card__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.project-card__icon {
    color: var(--accent-primary);
}

.project-card__name {
    font-size: 1.15rem;
    font-weight: 700;
    position: relative;
}

.project-card__desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tag {
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    font-family: var(--font-mono);
    color: var(--accent-secondary);
    background: rgba(0, 212, 170, 0.08);
    border: 1px solid rgba(0, 212, 170, 0.15);
}

/* Project Links */
.project-card__links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition-fast);
    text-decoration: none;
}

.project-link--web {
    color: var(--accent-primary);
    background: rgba(108, 99, 255, 0.08);
    border: 1px solid rgba(108, 99, 255, 0.2);
}

.project-link--web:hover {
    background: rgba(108, 99, 255, 0.18);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.project-link--ios {
    color: #a8a8a8;
    background: rgba(168, 168, 168, 0.08);
    border: 1px solid rgba(168, 168, 168, 0.2);
}

.project-link--ios:hover {
    background: rgba(168, 168, 168, 0.18);
    border-color: #a8a8a8;
    transform: translateY(-2px);
}

.project-link--android {
    color: #3ddc84;
    background: rgba(61, 220, 132, 0.08);
    border: 1px solid rgba(61, 220, 132, 0.2);
}

.project-link--android:hover {
    background: rgba(61, 220, 132, 0.18);
    border-color: #3ddc84;
    transform: translateY(-2px);
}

/* ============================
   CONTACT
   ============================ */

.contact__grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact__info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 22px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    transition: var(--transition-fast);
    cursor: pointer;
}

.contact-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-highlight);
    transform: translateY(-2px);
}

.contact-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(108, 99, 255, 0.1);
    color: var(--accent-primary);
    flex-shrink: 0;
}

.contact-card__label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.contact-card__value {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.contact__cta {
    text-align: center;
    margin-top: 8px;
}

/* ============================
   FOOTER
   ============================ */

.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.footer__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

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

/* ============================
   REVEAL ANIMATION
   ============================ */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Timeline items & cards also get reveal */
.timeline__item,
.skill-card,
.education-card,
.cert-card,
.project-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease, background 0.2s ease, border-color 0.2s ease;
}

.timeline__item.active,
.skill-card.active,
.education-card.active,
.cert-card.active,
.project-card.active {
    opacity: 1;
    transform: translateY(0);
}

/* ============================
   RESPONSIVE
   ============================ */

@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__socials {
        justify-content: center;
    }

    .hero__title-wrapper {
        justify-content: center;
    }

    .hero__visual {
        order: -1;
    }

    .hero__code-block {
        max-width: 380px;
    }

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

@media (max-width: 768px) {
    .section {
        padding: 72px 0;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(17, 17, 24, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 80px 40px 40px;
        transition: var(--transition-smooth);
        z-index: 100;
        border-left: 1px solid var(--border-color);
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__close {
        display: block;
    }

    .nav__list {
        flex-direction: column;
        gap: 24px;
    }

    .nav__link {
        font-size: 1.1rem;
    }

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

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

    .timeline {
        padding-left: 30px;
    }

    .timeline__item::before {
        left: -26px;
        width: 12px;
        height: 12px;
    }

    .timeline__header {
        flex-direction: column;
    }

    .hero__code-block {
        max-width: 100%;
    }

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

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

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero__name {
        font-size: 2rem;
    }

    .hero__actions {
        flex-direction: column;
        align-items: center;
    }

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

    .timeline__item {
        padding: 20px;
    }
}