/* ============================================
   Federico Morgante Portfolio - Modern Design
   ============================================ */

/* ==========================================
   CSS Variables - Design System
   ========================================== */
:root {
    /* Colors - Dark Theme (Inspired by Brittany Chiang) */
    --color-bg-primary: #0a192f;
    --color-bg-secondary: #112240;
    --color-bg-tertiary: #1d3461;

    --color-accent: #64ffda;
    --color-accent-rgb: 100, 255, 218;
    --color-accent-hover: #4fd1b5;

    --color-text-primary: #ccd6f6;
    --color-text-secondary: #8892b0;
    --color-text-tertiary: #a8b2d1;

    --color-white: #e6f1ff;
    --color-navy-shadow: rgba(2, 12, 27, 0.7);

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

    /* Font Sizes */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-md: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 2rem;
    --fs-4xl: 2.5rem;
    --fs-5xl: 3rem;
    --fs-hero: clamp(2.5rem, 8vw, 5rem);
    --fs-hero-sub: clamp(1.5rem, 5vw, 3rem);

    /* 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-section: clamp(4rem, 10vh, 8rem);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 50%;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-slower: 600ms ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
    --shadow-xl: 0 20px 50px -20px rgba(2, 12, 27, 0.8);

    /* Layout */
    --nav-height: 70px;
    --sidebar-width: 40px;
    --container-max: 1100px;
    --container-padding: clamp(1.5rem, 5vw, 6rem);
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--fs-md);
    line-height: 1.6;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
    background-color: rgba(var(--color-accent-rgb), 0.3);
    color: var(--color-accent);
}

/* Links */
a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

/* Images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Lists */
ul, ol {
    list-style: none;
}

/* Buttons */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ==========================================
   Cursor Follower
   ========================================== */
.cursor-follower {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-full);
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.2s, height 0.2s, background-color 0.2s;
    mix-blend-mode: difference;
    display: none;
}

@media (hover: hover) and (pointer: fine) {
    .cursor-follower {
        display: block;
    }
}

.cursor-follower.hover {
    width: 40px;
    height: 40px;
    background-color: rgba(var(--color-accent-rgb), 0.1);
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background-color: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1001;
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.navbar.hidden {
    transform: translateY(-100%);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    transition: color var(--transition-base);
}

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

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-left: auto;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    padding: var(--space-xs) 0;
    transition: color var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
}

.nav-number {
    color: var(--color-accent);
    margin-right: var(--space-xs);
}

.nav-btn {
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-base), color var(--transition-base);
}

.nav-btn:hover {
    background-color: rgba(var(--color-accent-rgb), 0.1);
    color: var(--color-accent);
}

/* Language Switch Button */
.lang-switch {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-bg-tertiary);
    background-color: transparent;
    cursor: pointer;
    transition: all var(--transition-base);
}

.lang-switch:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background-color: rgba(var(--color-accent-rgb), 0.1);
}

.lang-flag {
    font-size: var(--fs-md);
    line-height: 1;
}

.lang-code {
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    width: 30px;
    height: 25px;
    position: relative;
    z-index: 1002;
    flex-shrink: 0;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 100%;
    height: 2px;
    background-color: var(--color-accent);
    position: absolute;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.hamburger {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger::before {
    content: '';
    top: -8px;
}

.hamburger::after {
    content: '';
    bottom: -8px;
}

.nav-toggle.active .hamburger {
    background-color: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* Mobile Menu */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 75vw;
        max-width: 400px;
        height: 100vh;
        height: 100dvh;
        background-color: var(--color-bg-secondary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-sm);
        padding: var(--space-md);
        padding-top: var(--nav-height);
        margin-left: 0;
        transform: translateX(100%);
        transition: transform var(--transition-slow);
        box-shadow: -10px 0px 30px -15px rgba(2, 12, 27, 0.7);
        overflow-y: auto;
        z-index: 1000;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-item {
        width: 100%;
        text-align: center;
    }

    .nav-link {
        font-size: var(--fs-md);
        display: block;
        padding: var(--space-xs) 0;
    }

    .nav-number {
        display: inline;
        margin-right: var(--space-xs);
        margin-bottom: 0;
    }

    .nav-btn {
        width: auto;
        min-width: 120px;
        padding: var(--space-xs) var(--space-md);
        text-align: center;
        margin-top: var(--space-xs);
    }

    .lang-switch {
        width: auto;
        justify-content: center;
        padding: var(--space-xs) var(--space-sm);
    }
}

@media (max-width: 480px) {
    .nav-menu {
        width: 100vw;
        max-width: 100vw;
        gap: var(--space-xs);
        padding: var(--space-sm);
        padding-top: var(--nav-height);
    }

    .nav-link {
        font-size: var(--fs-sm);
        padding: 6px 0;
    }

    .nav-number {
        font-size: var(--fs-xs);
    }

    .nav-btn {
        font-size: var(--fs-sm);
        padding: var(--space-xs) var(--space-sm);
    }

    .lang-switch {
        font-size: var(--fs-xs);
    }
}

/* ==========================================
   Social Sidebars
   ========================================== */
.social-sidebar {
    position: fixed;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 100;
}

.social-sidebar.left {
    left: 40px;
}

.social-sidebar.right {
    right: 40px;
}

.social-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.social-list a {
    font-size: var(--fs-xl);
    color: var(--color-text-secondary);
    transition: color var(--transition-base), transform var(--transition-base);
}

.social-list a:hover {
    color: var(--color-accent);
    transform: translateY(-3px);
}

.email-link {
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
    transition: color var(--transition-base), transform var(--transition-base);
}

.email-link:hover {
    color: var(--color-accent);
    transform: translateY(-3px);
}

.social-line {
    width: 1px;
    height: 90px;
    background-color: var(--color-text-secondary);
}

@media (max-width: 1080px) {
    .social-sidebar.left {
        left: 20px;
    }

    .social-sidebar.right {
        right: 20px;
    }
}

@media (max-width: 768px) {
    .social-sidebar {
        display: none;
    }
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: var(--nav-height) var(--container-padding) var(--space-3xl);
    max-width: var(--container-max);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: var(--radius-full);
    opacity: 0.1;
    filter: blur(60px);
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--color-accent);
    top: 10%;
    right: 10%;
    animation: float 20s ease-in-out infinite;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: #7b68ee;
    bottom: 20%;
    left: 5%;
    animation: float 15s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--color-accent);
    top: 50%;
    left: 50%;
    animation: float 25s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-greeting {
    font-family: var(--font-mono);
    font-size: var(--fs-md);
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.hero-title {
    font-size: var(--fs-hero);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.name-first {
    display: block;
}

.name-last {
    display: block;
    color: var(--color-text-tertiary);
}

.hero-subtitle {
    font-size: var(--fs-hero-sub);
    font-weight: 700;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-lg);
    min-height: 1.2em;
}

.typing-cursor {
    color: var(--color-accent);
    animation: blink 1s step-end infinite;
}

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

.hero-description {
    max-width: 540px;
    font-size: var(--fs-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

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

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: rgba(var(--color-accent-rgb), 0.1);
    color: var(--color-accent);
}

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

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--fs-md);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    opacity: 0.6;
    animation: fadeInUp 1s ease 2s both;
}

.mouse {
    width: 24px;
    height: 36px;
    border: 2px solid var(--color-text-secondary);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

/* ==========================================
   Sections - Common Styles
   ========================================== */
.section {
    padding: var(--space-section) var(--container-padding);
    max-width: var(--container-max);
    margin: 0 auto;
}

.container {
    width: 100%;
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-2xl);
    white-space: nowrap;
}

.section-title.centered {
    justify-content: center;
}

.title-number {
    font-family: var(--font-mono);
    font-size: var(--fs-xl);
    font-weight: 400;
    color: var(--color-accent);
}

.title-line {
    flex: 1;
    height: 1px;
    background-color: var(--color-bg-tertiary);
    max-width: 300px;
}

/* ==========================================
   About Section
   ========================================== */
.about-content {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: var(--space-2xl);
    align-items: start;
}

.about-text p {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

.tech-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(140px, 200px));
    gap: var(--space-xs) var(--space-md);
    margin-top: var(--space-lg);
}

.tech-list li {
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    position: relative;
    padding-left: var(--space-lg);
}

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

.about-image {
    position: relative;
    max-width: 300px;
    justify-self: center;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-accent);
    mix-blend-mode: multiply;
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 1;
}

.image-wrapper::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-md);
    z-index: -1;
    transition: all var(--transition-base);
}

.image-wrapper:hover::before {
    opacity: 0.5;
}

.image-wrapper:hover::after {
    top: 15px;
    left: 15px;
}

.image-wrapper img {
    width: 100%;
    border-radius: var(--radius-md);
    filter: grayscale(0%);
    transition: filter var(--transition-base);
}

.image-wrapper:hover img {
    filter: grayscale(100%);
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
        max-width: 250px;
        margin: 0 auto var(--space-xl);
    }
}

/* ==========================================
   Experience Section - Timeline
   ========================================== */
.timeline {
    position: relative;
    padding-left: var(--space-xl);
}

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

.timeline-item {
    position: relative;
    padding-bottom: var(--space-2xl);
}

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

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--space-xl) - 6px);
    top: 0;
    width: 14px;
    height: 14px;
    background-color: var(--color-bg-primary);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-base);
}

.timeline-item:hover .timeline-marker {
    background-color: var(--color-accent);
}

.timeline-content {
    background-color: var(--color-bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.timeline-header {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: var(--space-xs);
    margin-bottom: var(--space-xs);
}

.timeline-title {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--color-text-primary);
}

.timeline-company {
    font-family: var(--font-mono);
    color: var(--color-accent);
}

.timeline-date {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.timeline-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.timeline-tasks {
    padding-left: var(--space-lg);
}

.timeline-tasks li {
    position: relative;
    padding-left: var(--space-md);
    margin-bottom: var(--space-xs);
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
}

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

/* ==========================================
   Skills Section
   ========================================== */
.skills-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.skills-category {
    background-color: var(--color-bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    transition: transform var(--transition-base);
}

.skills-category:hover {
    transform: translateY(-5px);
}

.skills-category-title {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.skills-category-title i {
    color: var(--color-accent);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--space-md);
    width: 100%;
}

.skill-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background-color: var(--color-bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: all var(--transition-base);
    cursor: default;
    min-width: 0;
    width: 100%;
    aspect-ratio: 1;
}

.skill-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -15px rgba(var(--color-accent-rgb), 0.3);
}

.skill-card img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    transition: transform var(--transition-base);
}

.skill-card:hover img {
    transform: scale(1.1);
}

.skill-card span {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--color-text-secondary);
    text-align: center;
}

.workflow-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-md);
}

.workflow-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-bg-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.workflow-item:hover {
    transform: translateX(10px);
}

.workflow-item i {
    color: var(--color-accent);
    font-size: var(--fs-lg);
}

.workflow-item span {
    color: var(--color-text-secondary);
    font-size: var(--fs-sm);
}

/* ==========================================
   Projects Section
   ========================================== */
.projects-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-3xl);
}

.project-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    align-items: center;
    position: relative;
}

.project-card.reverse {
    direction: rtl;
}

.project-card.reverse > * {
    direction: ltr;
}

.project-content {
    position: relative;
    z-index: 2;
}

.project-card.reverse .project-content {
    text-align: right;
}

.project-overline {
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.project-title {
    font-size: var(--fs-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    transition: color var(--transition-base);
}

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

.project-description {
    background-color: var(--color-bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-lg);
}

.project-description p {
    color: var(--color-text-secondary);
    font-size: var(--fs-md);
    line-height: 1.7;
}

.project-tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.project-card.reverse .project-tech-list {
    justify-content: flex-end;
}

.project-tech-list li {
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-text-tertiary);
}

.project-links {
    display: flex;
    gap: var(--space-md);
}

.project-card.reverse .project-links {
    justify-content: flex-end;
}

.project-links a {
    font-size: var(--fs-xl);
    color: var(--color-text-secondary);
    transition: color var(--transition-base), transform var(--transition-base);
}

.project-links a:hover {
    color: var(--color-accent);
    transform: translateY(-3px);
}

.project-date,
.project-role {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
}

.project-image {
    position: relative;
    background-color: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16/10;
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(var(--color-accent-rgb), 0.3),
        rgba(10, 25, 47, 0.8)
    );
    transition: opacity var(--transition-base);
    z-index: 1;
}

.project-card:hover .project-image-overlay {
    opacity: 0.5;
}

.project-image-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 0;
}

.project-image-placeholder i {
    font-size: 5rem;
    color: var(--color-accent);
    opacity: 0.3;
    transition: all var(--transition-base);
}

.project-card:hover .project-image-placeholder i {
    opacity: 0.6;
    transform: scale(1.1);
}

.project-img {
    width: 90%;
    height: 90%;
    object-fit: contain;
    object-position: center center;
    transition: transform var(--transition-base);
    position: relative;
    z-index: 0;
}

.project-card:hover .project-img {
    transform: scale(1.03);
}

@media (max-width: 900px) {
    .project-card,
    .project-card.reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .project-card .project-content,
    .project-card.reverse .project-content {
        text-align: left;
    }

    .project-card .project-tech-list,
    .project-card.reverse .project-tech-list,
    .project-card .project-links,
    .project-card.reverse .project-links {
        justify-content: flex-start;
    }

    .project-image {
        order: -1;
    }
}

/* ==========================================
   Education Section
   ========================================== */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.education-card {
    background-color: var(--color-bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    display: flex;
    gap: var(--space-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border: 1px solid transparent;
}

.education-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.education-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(var(--color-accent-rgb), 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.education-icon i {
    font-size: var(--fs-xl);
    color: var(--color-accent);
}

.education-content {
    flex: 1;
}

.education-institution {
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-xs);
}

.education-degree {
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.education-focus {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.education-date {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--color-text-secondary);
}

/* Certifications */
.certifications {
    background-color: var(--color-bg-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
}

.certifications-title {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.certifications-title i {
    color: #ffd700;
}

.certifications-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.certification-badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background-color: var(--color-bg-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-bg-tertiary);
    transition: all var(--transition-base);
}

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

.certification-badge i {
    color: #ffd700;
}

.certification-badge span {
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
}

/* ==========================================
   Contact Section
   ========================================== */
#contact {
    text-align: center;
}

#contact .section-title {
    justify-content: center;
    margin-bottom: var(--space-sm);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-title {
    font-size: var(--fs-4xl);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.contact-description {
    color: var(--color-text-secondary);
    font-size: var(--fs-lg);
    margin-bottom: var(--space-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--color-text-secondary);
}

.contact-item i {
    color: var(--color-accent);
    width: 20px;
}

.contact-item a {
    color: var(--color-text-secondary);
}

.contact-item a:hover {
    color: var(--color-accent);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    padding: var(--space-xl) var(--container-padding);
    text-align: center;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.footer-social a {
    font-size: var(--fs-xl);
    color: var(--color-text-secondary);
    transition: color var(--transition-base), transform var(--transition-base);
}

.footer-social a:hover {
    color: var(--color-accent);
    transform: translateY(-3px);
}

.footer-credit {
    font-family: var(--font-mono);
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.footer-year {
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--color-text-tertiary);
}

.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .mobile-only {
        display: flex;
    }
}

/* ==========================================
   Animations
   ========================================== */

/* Fade In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slower), transform var(--transition-slower);
}

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

/* Stagger Animation */
.fade-in:nth-child(1) { transition-delay: 0ms; }
.fade-in:nth-child(2) { transition-delay: 100ms; }
.fade-in:nth-child(3) { transition-delay: 200ms; }
.fade-in:nth-child(4) { transition-delay: 300ms; }
.fade-in:nth-child(5) { transition-delay: 400ms; }
.fade-in:nth-child(6) { transition-delay: 500ms; }

/* Hero animations */
.hero .fade-in {
    opacity: 0;
    transform: translateY(20px);
}

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

.hero .fade-in:nth-child(1) { transition-delay: 100ms; }
.hero .fade-in:nth-child(2) { transition-delay: 200ms; }
.hero .fade-in:nth-child(3) { transition-delay: 300ms; }
.hero .fade-in:nth-child(4) { transition-delay: 400ms; }
.hero .fade-in:nth-child(5) { transition-delay: 500ms; }

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

/* Parallax Effect Classes */
.parallax-slow {
    will-change: transform;
}

.parallax-medium {
    will-change: transform;
}

.parallax-fast {
    will-change: transform;
}

/* ==========================================
   Utility Classes
   ========================================== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================
   Responsive Adjustments
   ========================================== */

/* Large Desktop */
@media (max-width: 1200px) {
    :root {
        --container-padding: clamp(1.5rem, 4vw, 4rem);
    }
}

/* Tablet Landscape / Small Desktop */
@media (max-width: 1024px) {
    .project-card,
    .project-card.reverse {
        gap: var(--space-sm);
    }

    .project-title {
        font-size: var(--fs-2xl);
    }

    .project-description {
        padding: var(--space-md);
    }
}

/* Tablet Portrait */
@media (max-width: 900px) {
    .section-title {
        white-space: normal;
        flex-wrap: wrap;
    }

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

    .timeline-marker {
        left: calc(-1 * var(--space-lg) - 6px);
    }

    .timeline-header {
        flex-direction: column;
        gap: var(--space-xs);
    }

    .timeline-title {
        font-size: var(--fs-lg);
    }

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

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

    .education-icon {
        margin: 0 auto;
    }
}

/* Mobile Landscape / Large Mobile */
@media (max-width: 768px) {
    :root {
        --space-section: clamp(3rem, 8vh, 5rem);
        --nav-height: 60px;
    }

    .section-title {
        font-size: var(--fs-2xl);
        white-space: normal;
        gap: var(--space-sm);
    }

    .title-line {
        display: none;
    }

    .title-number {
        font-size: var(--fs-md);
    }

    .hero {
        padding-top: calc(var(--nav-height) + var(--space-xl));
        padding-left: var(--space-md);
        padding-right: var(--space-md);
    }

    .hero-description {
        font-size: var(--fs-md);
    }

    .scroll-indicator {
        display: none;
    }

    /* Timeline fixes */
    .timeline {
        padding-left: var(--space-md);
    }

    .timeline-marker {
        left: calc(-1 * var(--space-md) - 6px);
        width: 12px;
        height: 12px;
    }

    .timeline-content {
        padding: var(--space-md);
    }

    .timeline-tasks {
        padding-left: var(--space-sm);
    }

    /* Skills fixes */
    .skills-category {
        padding: var(--space-md);
    }

    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-sm);
    }

    .skill-card {
        padding: var(--space-sm);
        aspect-ratio: 1;
    }

    .skill-card img {
        width: 36px;
        height: 36px;
    }

    /* Projects fixes */
    .project-description {
        padding: var(--space-md);
    }

    .project-tech-list {
        gap: var(--space-sm);
        flex-wrap: wrap;
    }

    .project-tech-list li {
        font-size: var(--fs-xs);
    }

    /* Certifications fixes */
    .certifications {
        padding: var(--space-md);
    }

    .certifications-list {
        gap: var(--space-sm);
    }

    .certification-badge {
        padding: var(--space-xs) var(--space-sm);
        flex: 1 1 auto;
        min-width: 140px;
        justify-content: center;
    }

    .certification-badge span {
        font-size: var(--fs-xs);
    }

    /* Contact fixes */
    .contact-title {
        font-size: var(--fs-3xl);
    }

    .contact-item {
        flex-direction: column;
        gap: var(--space-xs);
    }

    .contact-item a {
        font-size: var(--fs-sm);
        word-break: break-all;
    }

    /* Hero shapes smaller on mobile */
    .shape-1 {
        width: 200px;
        height: 200px;
    }

    .shape-2 {
        width: 150px;
        height: 150px;
    }

    .shape-3 {
        width: 100px;
        height: 100px;
    }
}

/* Mobile Portrait */
@media (max-width: 480px) {
    :root {
        --container-padding: var(--space-md);
    }

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

    .btn {
        width: 100%;
    }

    .tech-list {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-xs);
    }

    .skill-card {
        padding: var(--space-xs);
        gap: var(--space-xs);
    }

    .skill-card img {
        width: 32px;
        height: 32px;
    }

    .skill-card span {
        font-size: 10px;
        line-height: 1.2;
    }

    .workflow-list {
        grid-template-columns: 1fr;
    }

    /* Section title compact */
    .section-title {
        font-size: var(--fs-xl);
    }

    /* Timeline compact */
    .timeline-title {
        font-size: var(--fs-md);
    }

    .timeline-company {
        font-size: var(--fs-sm);
    }

    .timeline-description {
        font-size: var(--fs-sm);
    }

    /* Project cards compact */
    .project-title {
        font-size: var(--fs-xl);
    }

    .project-description p {
        font-size: var(--fs-sm);
    }

    .project-image {
        padding: var(--space-sm);
        aspect-ratio: 16/9;
    }

    /* Education compact */
    .education-card {
        padding: var(--space-md);
    }

    .education-institution {
        font-size: var(--fs-md);
    }

    /* Certifications compact */
    .certification-badge {
        min-width: 100%;
    }

    /* Contact compact */
    .contact-title {
        font-size: var(--fs-2xl);
    }

    .contact-description {
        font-size: var(--fs-md);
    }

    .btn-large {
        padding: var(--space-md) var(--space-lg);
        font-size: var(--fs-sm);
    }

    /* About section */
    .about-image {
        max-width: 200px;
    }

    .image-wrapper::after {
        top: 15px;
        left: 15px;
        right: -15px;
        bottom: -15px;
    }
}

/* Small Mobile */
@media (max-width: 360px) {
    :root {
        --container-padding: var(--space-sm);
        --fs-hero: clamp(2rem, 10vw, 3rem);
        --fs-hero-sub: clamp(1.2rem, 6vw, 2rem);
    }

    .nav-logo {
        font-size: var(--fs-lg);
    }

    .hero-greeting {
        font-size: var(--fs-sm);
    }

    .hero-description {
        font-size: var(--fs-sm);
    }

    .section-title {
        font-size: var(--fs-lg);
    }

    .title-number {
        font-size: var(--fs-sm);
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .skill-card img {
        width: 32px;
        height: 32px;
    }

    .skill-card span {
        font-size: 10px;
    }

    .project-title {
        font-size: var(--fs-lg);
    }

    .project-tech-list li {
        font-size: 10px;
    }

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

    .timeline-title {
        font-size: var(--fs-sm);
    }

    .timeline-tasks li {
        font-size: var(--fs-xs);
    }

    .education-institution {
        font-size: var(--fs-sm);
    }

    .education-degree,
    .education-focus {
        font-size: var(--fs-xs);
    }

    .certification-badge span {
        font-size: 10px;
    }

    .contact-title {
        font-size: var(--fs-xl);
    }
}

/* ==========================================
   FAM Vision Fixed Button
   ========================================== */
.fam-vision-btn {
    position: fixed;
    bottom: 25px;
    right: 85px;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-xs);
    padding: 8px 14px;
    background: rgba(10, 25, 47, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    text-decoration: none;
    z-index: 100;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.fam-vision-btn:hover {
    border-color: rgba(212, 179, 255, 0.5);
    box-shadow: 0 8px 25px rgba(60, 19, 70, 0.3);
}

.fam-vision-btn:hover .fam-vision-btn-brand {
    letter-spacing: 0.05em;
}

.fam-vision-btn-label {
    font-size: var(--fs-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.fam-vision-btn-brand {
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.02em;
    background: linear-gradient(135deg, #EBE3EF 0%, #D4B3FF 50%, #3C1346 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: letter-spacing var(--transition-base);
}

@media (max-width: 1080px) {
    .fam-vision-btn {
        right: 65px;
    }
}

@media (max-width: 768px) {
    .fam-vision-btn {
        bottom: 15px;
        right: 15px;
        padding: 6px 10px;
    }

    .fam-vision-btn-label {
        font-size: 8px;
    }

    .fam-vision-btn-brand {
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .fam-vision-btn {
        bottom: 10px;
        right: 10px;
    }
}

/* ==========================================
   Print Styles
   ========================================== */
@media print {
    .navbar,
    .social-sidebar,
    .cursor-follower,
    .scroll-indicator {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .section {
        page-break-inside: avoid;
    }
}