/* Fonts now loaded in HTML <head> for better performance */

/* Gruvbox Dark Color Palette */
:root {
    --bg-primary: #1d2021;           /* Gruvbox bg0_hard - darkest background */
    --bg-secondary: #282828;         /* Gruvbox bg0 - normal dark */
    --bg-tertiary: #3c3836;          /* Gruvbox bg1 - elevated surfaces/cards */

    --text-primary: #ebdbb2;         /* Gruvbox fg1 - primary text (warm beige) */
    --text-secondary: #d5c4a1;       /* Gruvbox fg2 - secondary text */
    --text-tertiary: #bdae93;        /* Gruvbox fg3 - muted text */

    --accent-primary: #8ec07c;       /* Gruvbox bright_aqua - primary accents */
    --accent-secondary: #fabd2f;     /* Gruvbox bright_yellow - highlights */
    --accent-tertiary: #fe8019;      /* Gruvbox bright_orange - tertiary */

    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: monospace; /* Fallback to system monospace */

    /* Typography scale - 1.25 ratio (major third) */
    --font-size-xs: 0.8rem;      /* 12.8px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-md: 1.125rem;    /* 18px */
    --font-size-lg: 1.25rem;     /* 20px */
    --font-size-xl: 1.563rem;    /* 25px */
    --font-size-2xl: 1.953rem;   /* 31.25px */
    --font-size-3xl: 2.441rem;   /* 39px */
    --font-size-4xl: 3.052rem;   /* 48.8px */
    --font-size-5xl: 3.815rem;   /* 61px */

    /* Spacing scale */
    --spacing-xs: 0.5rem;    /* 8px */
    --spacing-sm: 1rem;      /* 16px */
    --spacing-md: 1.5rem;    /* 24px */
    --spacing-lg: 2rem;      /* 32px */
    --spacing-xl: 3rem;      /* 48px */
    --spacing-2xl: 4rem;     /* 64px */
    --spacing-3xl: 6rem;     /* 96px */
    --spacing-4xl: 8rem;     /* 128px */

    /* Effects */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.35);

    /* Layout */
    --nav-height: 70px;
    --container-max: 1200px;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* ========================================
   BASE STYLES & RESET
   ======================================== */

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

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    padding-top: var(--nav-height);
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Continuous diagonal lines across entire page */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        repeating-linear-gradient(
            125deg,
            transparent,
            transparent 80px,
            rgba(142, 192, 124, 0.04) 80px,
            rgba(142, 192, 124, 0.04) 83px
        ),
        repeating-linear-gradient(
            125deg,
            transparent,
            transparent 150px,
            rgba(142, 192, 124, 0.08) 150px,
            rgba(142, 192, 124, 0.08) 156px
        ),
        repeating-linear-gradient(
            125deg,
            transparent,
            transparent 200px,
            rgba(142, 192, 124, 0.06) 200px,
            rgba(142, 192, 124, 0.06) 210px
        ),
        repeating-linear-gradient(
            125deg,
            transparent,
            transparent 300px,
            rgba(142, 192, 124, 0.03) 300px,
            rgba(142, 192, 124, 0.03) 304px
        );
    pointer-events: none;
    z-index: 0;
    animation: moveLines 60s ease-in-out infinite;
}

@keyframes moveLines {
    0%, 100% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(-40px, 40px);
    }
    50% {
        transform: translate(-80px, -40px);
    }
    75% {
        transform: translate(40px, -80px);
    }
}

main {
    position: relative;
    z-index: 1;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

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

a:hover {
    color: var(--text-primary);
}

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

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--accent-primary);
    color: var(--bg-primary);
    padding: 8px 16px;
    text-decoration: none;
    font-weight: bold;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* Scroll progress indicator */
.scroll-progress {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform-origin: left;
    transition: transform 0.1s linear;
    z-index: 101;
    box-shadow: 0 0 10px var(--accent-primary);
    transform: scaleX(0);
    width: 100%;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    [data-animate-in],
    .hero-content > * {
        opacity: 1 !important;
        filter: none !important;
        transform: none !important;
        transition: none !important;
    }
}

/* Focus indicators for keyboard navigation */
*:focus-visible {
    outline: 3px solid var(--accent-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

button:focus-visible {
    outline-color: var(--accent-primary);
    outline-offset: 3px;
}

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

.fixed-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(29, 32, 33, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(142, 192, 124, 0.1);
    z-index: 100;
    transition: box-shadow var(--transition-base);
}

.fixed-nav.scrolled {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    transition: color var(--transition-base);
}

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

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin: 0;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    position: relative;
    transition: color var(--transition-base);
    padding: 12px 16px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--text-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.nav-link.active::after {
    transform: scaleX(1);
}

.nav-link:focus-visible {
    outline-color: var(--accent-primary);
    background: rgba(142, 192, 124, 0.1);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.nav-resume-btn {
    padding: 8px 16px;
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 600;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.nav-resume-btn::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 0;
    background: var(--accent-primary);
    transition: width 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                height 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: var(--radius-sm);
}

.nav-resume-btn:hover::before {
    width: 150%;
    height: 150%;
}

.nav-resume-btn:hover {
    color: var(--bg-primary);
}

/* Mobile hamburger menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background: var(--accent-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
}

/* Mobile menu backdrop */
.mobile-menu-backdrop {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(29, 32, 33, 0.8);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: 98;
}

.mobile-menu-backdrop.visible {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: var(--nav-height);
    right: 0;
    width: 80%;
    max-width: 300px;
    height: calc(100vh - var(--nav-height));
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 99;
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
}

.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu nav {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.mobile-menu a {
    color: var(--text-secondary);
    font-size: 1.125rem;
    font-weight: 500;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(142, 192, 124, 0.1);
    transition: color var(--transition-base);
}

.mobile-menu a:hover {
    color: var(--accent-primary);
}

.mobile-menu .mobile-resume-btn {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    text-align: center;
    color: var(--accent-primary);
    font-weight: 600;
}

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

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

/* Constrained content width for consistent sections */
.content-wrapper {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section {
    position: relative;
    padding: var(--spacing-3xl) 0;
}

/* Offset for fixed nav when scrolling to sections */
section[id] {
    scroll-margin-top: 30px;
}

.section-intro {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-experience {
    background: linear-gradient(
        to bottom,
        rgba(29, 32, 33, 0) 0%,
        rgba(40, 40, 40, 0.3) 5%,
        rgba(40, 40, 40, 0.6) 15%,
        rgba(40, 40, 40, 0.6) 85%,
        rgba(40, 40, 40, 0.3) 95%,
        rgba(29, 32, 33, 0) 100%
    );
    padding: var(--spacing-lg) 0 var(--spacing-4xl) 0;
}

.section-projects {
    background: linear-gradient(
        to bottom,
        rgba(29, 32, 33, 0) 0%,
        rgba(29, 32, 33, 0) 15%,
        rgba(29, 32, 33, 0) 85%,
        rgba(40, 40, 40, 0.3) 95%,
        rgba(40, 40, 40, 0.6) 100%
    );
    padding: var(--spacing-lg) 0 var(--spacing-4xl) 0;
    overflow-x: hidden;
    margin-top: -1px;
}

.section-contact {
    background: linear-gradient(
        to bottom,
        rgba(40, 40, 40, 0.6) 0%,
        rgba(50, 48, 47, 0.65) 5%,
        rgba(60, 56, 54, 0.7) 15%,
        rgba(60, 56, 54, 0.7) 100%
    );
    min-height: 60vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-lg) 0 var(--spacing-4xl) 0;
    margin-top: -1px;
}

.section-heading {
    font-size: clamp(2rem, 5vw, 2.5rem);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2xl);
}

.section-subheading {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* Filter Section */
.filter-section {
    margin: var(--spacing-2xl) 0;
    text-align: center;
}

.filter-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

/* ========================================
   INTRO / HERO SECTION
   ======================================== */

.hero-content {
    max-width: 900px;
    z-index: 1;
    position: relative;
    text-align: center;
    width: 100%;
}

.hero-name {
    font-size: clamp(2.5rem, 10vw, 7rem);
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    line-height: 1;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    word-break: break-word;
}

.hero-title {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 400;
}

.hero-tagline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.7;
}

.hero-bio {
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    color: var(--text-tertiary);
    max-width: 650px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.skill-tag {
    padding: 10px 18px;
    background: rgba(142, 192, 124, 0.1);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    color: var(--accent-primary);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-base);
    cursor: pointer;
    user-select: none;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.skill-tag:hover {
    background: rgba(142, 192, 124, 0.2);
    transform: translateY(-2px);
}

.skill-tag:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.skill-tag.active-filter {
    background: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: 0 0 20px rgba(142, 192, 124, 0.5);
    transform: scale(1.05);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-3xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator-icon {
    width: 30px;
    height: 50px;
    position: relative;
    opacity: 0.6;
    transition: opacity var(--transition-base);
}

.scroll-indicator-svg {
    display: block;
    filter: drop-shadow(0 0 10px rgba(142, 192, 124, 0.2));
}

.scroll-indicator-path {
    color: var(--text-secondary);
    stroke-dasharray: 160;
    stroke-dashoffset: 160;
    animation: drawStroke 5s ease-out infinite;
}

.scroll-indicator-line {
    color: var(--accent-primary);
    stroke-dasharray: 20;
    stroke-dashoffset: 20;
    animation: drawLine 5s ease-out infinite;
}

.scroll-indicator-arrow {
    color: var(--accent-primary);
    stroke-dasharray: 15;
    stroke-dashoffset: 15;
    animation: drawArrow 5s ease-out infinite;
}

/* SVG stroke drawing animation */
@keyframes drawStroke {
    0% {
        stroke-dashoffset: 160;
    }
    50%, 78% {
        stroke-dashoffset: 0;
    }
    100% {
        stroke-dashoffset: 160;
    }
}

@keyframes drawLine {
    0%, 40% {
        stroke-dashoffset: 20;
        transform: translateY(0);
        opacity: 0;
    }
    60%, 70% {
        stroke-dashoffset: 0;
        transform: translateY(0);
        opacity: 1;
    }
    75% {
        stroke-dashoffset: 0;
        transform: translateY(6px);
        opacity: 1;
    }
    78% {
        stroke-dashoffset: 0;
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        stroke-dashoffset: 0;
        transform: translateY(15px);
        opacity: 0;
    }
}

@keyframes drawArrow {
    0%, 60% {
        stroke-dashoffset: 15;
        transform: translateY(0);
        opacity: 0;
    }
    70% {
        stroke-dashoffset: 0;
        transform: translateY(0);
        opacity: 1;
    }
    75% {
        stroke-dashoffset: 0;
        transform: translateY(6px);
        opacity: 1;
    }
    78% {
        stroke-dashoffset: 0;
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        stroke-dashoffset: 0;
        transform: translateY(15px);
        opacity: 0;
    }
}

.scroll-indicator:hover .scroll-indicator-icon {
    opacity: 1;
}

.scroll-indicator:hover .scroll-indicator-path {
    color: var(--accent-primary);
    filter: drop-shadow(0 0 15px rgba(142, 192, 124, 0.4));
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    color: var(--accent-primary);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity var(--transition-base),
                visibility var(--transition-base),
                transform var(--transition-base),
                background var(--transition-base),
                border-color var(--transition-base);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
}

.back-to-top-arrow {
    animation: bounceUp 2s ease-in-out infinite;
}

@keyframes bounceUp {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

.back-to-top:hover .back-to-top-arrow {
    animation: none;
}

.btn-primary,
.btn-secondary {
    padding: 14px 32px;
    font-size: 1rem;
    font-family: var(--font-body);
    font-weight: 600;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid;
    display: inline-block;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

/* Diagonal fill effect */
.btn-primary::before,
.btn-secondary::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 0;
    background: var(--accent-primary);
    transition: width 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                height 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: var(--radius-md);
}

.btn-primary::before {
    background: var(--bg-tertiary);
}

.btn-secondary::before {
    background: var(--accent-primary);
}

.btn-primary:hover::before,
.btn-secondary:hover::before {
    width: 150%;
    height: 150%;
}

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

.btn-primary:hover {
    color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(60, 56, 54, 0.4);
}

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

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

/* Button focus states for accessibility */
.btn-primary:focus-visible,
.btn-secondary:focus-visible {
    outline: 3px solid var(--accent-primary);
    outline-offset: 4px;
    box-shadow: 0 0 0 6px rgba(142, 192, 124, 0.2);
}

/* ========================================
   EXPERIENCE ACCORDION
   ======================================== */

.experience-accordion {
    margin-top: var(--spacing-2xl);
}

.accordion-item {
    margin-bottom: var(--spacing-md);
}

/* Accordion Header (Collapsible Bar) */
.accordion-header {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-primary) 0%, #6fa07c 100%);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.accordion-header:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(142, 192, 124, 0.3);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
}

.accordion-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--bg-primary);
    margin: 0;
    text-align: left;
}

.accordion-dates {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--bg-primary);
    white-space: nowrap;
}

.accordion-icon {
    font-size: 1.5rem;
    color: var(--bg-primary);
    font-weight: 300;
    margin-left: var(--spacing-sm);
    transition: transform var(--transition-base);
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.accordion-header.expanded .accordion-icon {
    transform: rotate(180deg);
}

/* Accordion Content (Expandable Area) */
.accordion-content {
    background: var(--bg-tertiary);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.content-inner {
    padding: var(--spacing-xl);
}

.company-info {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.company-logo {
    width: 80px;
    height: 80px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-placeholder {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: var(--font-display);
}

.company-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.location,
.company-link {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

.company-link {
    text-decoration: none;
    transition: color var(--transition-base);
}

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

.role-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.resume-download-btn {
    display: inline-block;
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-md) var(--spacing-xl);
    background: transparent;
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-md);
    color: var(--accent-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.resume-download-btn::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 0;
    background: var(--accent-primary);
    transition: width 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                height 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
    border-radius: var(--radius-md);
}

.resume-download-btn:hover::before {
    width: 150%;
    height: 150%;
}

.resume-download-btn:hover {
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(142, 192, 124, 0.3);
}

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

.projects-grid {
    position: relative;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-md) 0 var(--spacing-xs) 0;
    min-height: 450px;
    overflow: visible;
    cursor: grab;
    user-select: none;

    /* 3D perspective for tilted cards */
    perspective: 1000px;
    perspective-origin: center center;
}

.projects-grid:active {
    cursor: grabbing;
}

/* Carousel navigation arrows */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background: var(--bg-tertiary);
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    color: var(--accent-primary);
    cursor: pointer;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease,
                visibility 0.3s ease,
                background var(--transition-base),
                border-color var(--transition-base),
                transform 0.3s ease;
    z-index: 20;
    display: flex; /* Visible on desktop */
    align-items: center;
    justify-content: center;
}

.carousel-arrow-left {
    left: -60px;
}

.carousel-arrow-right {
    right: -60px;
}

.carousel-arrow:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateY(-50%) scale(1.1);
}

.carousel-arrow.visible {
    opacity: 1;
    visibility: visible;
}

.carousel-arrow-icon {
    display: block;
    stroke-dasharray: 24;
    stroke-dashoffset: 0;
}

.carousel-arrow.visible .carousel-arrow-icon {
    animation: drawCarouselArrow 1.5s ease-out forwards;
}

@keyframes drawCarouselArrow {
    0% {
        stroke-dashoffset: 24;
        opacity: 0;
    }
    60% {
        stroke-dashoffset: 0;
        opacity: 1;
    }
    100% {
        stroke-dashoffset: 0;
        opacity: 1;
    }
}

/* Carousel pagination dots */
.carousel-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: -80px;
    padding: 8px 0;
    position: relative;
    z-index: 20; /* Above cards */
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    opacity: 0.3;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    padding: 0;
}

.carousel-dot:hover {
    opacity: 0.6;
    transform: scale(1.2);
}

.carousel-dot.active {
    background: var(--dot-color, var(--accent-primary));
    opacity: 1;
    transform: scale(1.3);
    box-shadow: 0 0 8px color-mix(in srgb, var(--dot-color, #8ec07c) 60%, transparent);
}

.carousel-dot:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 4px;
}

.project-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 2px solid color-mix(in srgb, var(--card-color, #8ec07c) 20%, transparent);
    position: absolute;
    left: 50%;
    top: 35%;
    --card-color: #8ec07c; /* Default aqua */
    transform: translate(-50%, -50%);
    width: 360px;
    height: 320px;
    overflow: hidden;
    transform-style: preserve-3d;
    will-change: transform;

    /* Default state: behind, faded, tilted */
    opacity: 0.65;
    filter: blur(1px);
    z-index: 1;
    box-shadow: 0 0 15px color-mix(in srgb, var(--card-color, #8ec07c) 10%, transparent);

    /* Make anchor tag behave like block element */
    display: block;
    text-decoration: none;
    cursor: default; /* Default cursor, only active cards get pointer */
    transition: all var(--transition-base);
    pointer-events: none; /* Disable by default, enabled for active card */
}

/* Cards on the left - peek from behind on left side */
.project-card.carousel-left {
    filter: blur(1px);
    z-index: 1;
    pointer-events: none; /* Disable clicks on side cards */
    cursor: default;
}

/* Cards on the right - peek from behind on right side */
.project-card.carousel-right {
    filter: blur(1px);
    z-index: 1;
    pointer-events: none; /* Disable clicks on side cards */
    cursor: default;
}

/* Active card in carousel - front and center, on top */
.project-card.carousel-active {
    filter: blur(0);
    border-color: var(--card-color, var(--accent-primary));
    box-shadow: 0 0 30px color-mix(in srgb, var(--card-color, #8ec07c) 20%, transparent);
    z-index: 10;
    pointer-events: auto; /* Enable clicks on active card */
    cursor: pointer;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--card-color, var(--accent-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.project-card.carousel-active:hover {
    transform: scale(1.02) rotateY(0deg) translateY(-4px);
    box-shadow: 0 0 40px color-mix(in srgb, var(--card-color, #8ec07c) 30%, transparent);
    border-color: var(--card-color, var(--accent-primary));
}

.project-card.carousel-active:hover::before {
    transform: scaleX(1);
}

/* Mobile click animation - show color bar and scale effect */
.project-card.navigating::before {
    transform: scaleX(1);
}

.project-card.navigating {
    transform: scale(1.02) rotateY(0deg) translateY(-4px);
    box-shadow: 0 0 40px color-mix(in srgb, var(--card-color, #8ec07c) 30%, transparent);
}

/* Skill filter states */
.project-card.highlighted {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(142, 192, 124, 0.3);
    border-color: var(--accent-primary);
}

.project-card.highlighted::before {
    transform: scaleX(1);
}

.project-card.dimmed {
    opacity: 0.3;
    transform: scale(0.95);
}

.project-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tech-badge {
    background: rgba(142, 192, 124, 0.15);
    border: 1.5px solid var(--accent-primary);
    color: var(--accent-primary);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 0 8px rgba(142, 192, 124, 0.2);
}

.project-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    overflow: hidden;
}

.project-link {
    color: var(--accent-primary);
    font-size: 0.9rem;
    font-weight: 600;
    transition: color var(--transition-base);
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    margin: -8px -12px;
    min-height: 44px;
    pointer-events: none; /* Prevent clicks since parent card is the link */
}

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

.contact-tagline {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
}

.contact-methods {
    max-width: 600px;
    margin: var(--spacing-2xl) 0;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-2xl);
    background: var(--accent-primary);
    color: var(--bg-primary);
    border: 2px solid transparent; /* Prevent layout shift on hover */
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    transition: all var(--transition-base);
}

.contact-email:hover {
    background: transparent;
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(142, 192, 124, 0.3);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-social {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    transition: color var(--transition-base);
}

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

.social-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(142, 192, 124, 0.1);
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.contact-note {
    margin-top: var(--spacing-xl);
    font-size: 0.9rem;
    color: var(--text-tertiary);
    font-style: italic;
}

/* ========================================
   SCROLL ANIMATIONS - Staggered Fade-In with Blur
   ======================================== */

[data-animate-in] {
    opacity: 0;
    filter: blur(10px);
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                filter 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate-in].in-view {
    opacity: 1;
    filter: blur(0px);
    transform: translateY(0);
}

/* Stagger delays for sequential items */
[data-animate-in]:nth-child(1) { transition-delay: 0s; }
[data-animate-in]:nth-child(2) { transition-delay: 0.1s; }
[data-animate-in]:nth-child(3) { transition-delay: 0.2s; }
[data-animate-in]:nth-child(4) { transition-delay: 0.3s; }
[data-animate-in]:nth-child(5) { transition-delay: 0.4s; }
[data-animate-in]:nth-child(6) { transition-delay: 0.5s; }

/* Hero elements - faster, less blur */
.hero-content > * {
    opacity: 0;
    filter: blur(8px);
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                filter 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-content.animated > * {
    opacity: 1;
    filter: blur(0px);
    transform: translateY(0);
}

.hero-content > *:nth-child(1) { transition-delay: 0.1s; }
.hero-content > *:nth-child(2) { transition-delay: 0.2s; }
.hero-content > *:nth-child(3) { transition-delay: 0.3s; }
.hero-content > *:nth-child(4) { transition-delay: 0.4s; }
.hero-content > *:nth-child(5) { transition-delay: 0.5s; }
.hero-content > *:nth-child(6) { transition-delay: 0.6s; }

/* Skill tags are now in filter section - no initial animation needed */

/* Stagger animations for timeline entries */
[data-animate-in]:nth-child(1) { transition-delay: 0.1s; }
[data-animate-in]:nth-child(2) { transition-delay: 0.2s; }
[data-animate-in]:nth-child(3) { transition-delay: 0.3s; }
[data-animate-in]:nth-child(4) { transition-delay: 0.4s; }

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

@media (min-width: 1024px) {
    .projects-grid {
        min-height: 550px;
        padding-bottom: var(--spacing-sm);
    }

    .project-card {
        width: 420px;
        height: 380px;
    }
}

@media (max-width: 768px) {
    /* Hide desktop nav links, show mobile toggle */
    .nav-links,
    .nav-resume-btn {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    /* Adjust spacing for mobile */
    .container {
        padding: 0 var(--spacing-md);
    }

    .section {
        padding: var(--spacing-3xl) 0;
    }

    .section-intro {
        min-height: 80vh;
        padding: var(--spacing-2xl) 0;
        margin-bottom: 0;
    }

    .section-experience,
    .section-projects,
    .section-contact {
        padding: var(--spacing-xl) 0;
    }

    /* Keep scroll indicator at original position on mobile */
    .scroll-indicator {
        bottom: var(--spacing-2xl);
    }

    .hero-name {
        font-size: 2rem;
        margin-bottom: var(--spacing-sm);
    }

    .hero-title {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }

    .hero-tagline {
        font-size: 0.9rem;
        margin-bottom: 0;
        line-height: 1.6;
    }

    .hero-cta {
        display: grid;
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        width: 100%;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
        justify-content: center;
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    .section-heading {
        font-size: 2rem;
        margin-bottom: var(--spacing-xl);
    }

    /* Extra spacing for Projects heading on mobile - carousel needs breathing room */
    .section-projects .section-heading {
        margin-bottom: 4rem; /* 64px */
    }

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

    .timeline-entry {
        padding-left: var(--spacing-md);
    }

    .entry-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .entry-title {
        font-size: 1.125rem;
    }

    /* Simplify animations on mobile for performance */
    [data-animate-in],
    .hero-content > * {
        filter: none !important;
    }

    /* Disable background animation on mobile to prevent wiggle */
    body::before {
        animation: none;
    }

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

    .contact-social {
        flex-direction: column;
    }

    /* Accordion mobile layout */
    .accordion-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .accordion-title {
        font-size: 1rem;
    }

    .accordion-dates {
        font-size: 0.75rem;
    }

    .company-logo {
        width: 60px;
        height: 60px;
    }

    .logo-placeholder {
        font-size: 1.25rem;
    }

    /* Allow natural overflow on mobile - touch handling prevents conflicts */
    .projects-grid {
        overflow: visible;
        touch-action: pan-y; /* Allow vertical scrolling, carousel handles horizontal */
        min-height: 420px; /* Slightly shorter on mobile to fit better */
        padding-bottom: var(--spacing-md);
    }

    /* Smaller cards on mobile with reduced padding for better spacing */
    .project-card {
        width: 300px;
        height: 350px;
        padding: var(--spacing-md); /* Reduced from xl to md for more breathing room */
        top: 45%; /* Move cards down on mobile */
        /* Force GPU acceleration and optimize for mobile */
        transform: translate3d(0, 0, 0);
        will-change: transform, opacity;
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }

    /* Mobile performance: Remove expensive blur filter, use opacity instead */
    .project-card.carousel-left,
    .project-card.carousel-right {
        filter: none; /* Remove blur on mobile for better performance */
        opacity: 0.5; /* Use opacity instead of blur for side cards */
    }

    .project-card.carousel-active {
        filter: none; /* Remove blur filter on mobile */
        opacity: 1;
        /* Simplify box-shadow on mobile for better performance */
        box-shadow: 0 0 20px rgba(142, 192, 124, 0.2);
    }

    /* Simplify hover effects on mobile */
    .project-card.carousel-active:hover,
    .project-card.navigating {
        box-shadow: 0 0 25px rgba(142, 192, 124, 0.3);
    }

    /* Reduce font sizes and spacing in mobile cards */
    .project-card h3 {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-sm);
    }

    .project-description {
        font-size: 0.875rem;
        margin-bottom: var(--spacing-md);
        line-height: 1.6;
    }

    .project-tech {
        gap: var(--spacing-xs);
        margin-bottom: var(--spacing-md);
    }

    .tech-badge {
        font-size: 0.75rem;
        padding: 4px 10px;
    }

    /* Hide carousel arrows on mobile - swipe to navigate */
    .carousel-arrow {
        display: none !important;
    }

    /* Mobile pagination dots */
    .carousel-dots {
        gap: 10px;
        padding: 8px 0;
        margin-top: 4px;
    }

    .carousel-dot {
        width: 10px;
        height: 10px;
    }

    .carousel-dot.active {
        transform: scale(1.4);
    }
}

@media (max-width: 480px) {
    .section-intro {
        min-height: auto;
        height: calc(100vh - var(--nav-height));
        padding: var(--spacing-md) 0;
        align-items: flex-start;
        padding-top: calc(var(--spacing-2xl) + var(--spacing-md));
    }

    .hero-name {
        font-size: 3.25rem;
    }

    .hero-title {
        font-size: 1.2rem;
    }

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

    .scroll-indicator {
        bottom: 30vh;
    }

    .section-experience,
    .section-projects,
    .section-contact {
        padding: 3rem 0; /* Consistent 48px spacing based on 8px grid */
    }

    .skills-tags {
        gap: var(--spacing-xs);
    }

    .skill-tag {
        font-size: 0.75rem;
        padding: 4px 12px;
    }

}

/* Section blur effect - works on all screen sizes */
.section-intro,
.section-experience,
.section-projects,
.section-contact {
    transition: filter 0.6s ease, opacity 0.6s ease;
}

.section-blurred {
    filter: blur(3px);
    opacity: 0.4;
    pointer-events: none; /* Disable interactions with blurred sections */
}
