/* --- Ephemeral Clarity - Design System --- */

/* -------------------------------------------
   1. ROOT & VARIABLES
   ------------------------------------------- */
:root {
    --font-sans: 'Inter', sans-serif;
    --font-display: 'Syne', sans-serif;
    --bg-color: #0D0D12;
    --text-color: #E0E0E0;
    --text-muted: #8A8A9E;
    --accent-color: #4F46E5;
    --accent-glow: rgba(79, 70, 229, 0.5);
    --glass-bg: rgba(18, 18, 24, 0.5);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.37);
    --max-width: 1100px;
    --border-radius: 16px;
    --transition-speed: 0.4s;
    --github-color: #ffffff;
    --linkedin-color: #0A66C2;
    --twitter-color: #1DA1F2;
    --facebook-color: #1877F2;
    --instagram-color: #E4405F;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    cursor: default;
}

a, button, .mobile-nav-toggle, .skill-pill, .project-card {
    cursor: pointer;
}

.noise {
    position: fixed;
    top: 0; left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    background: url('https://www.transparenttextures.com/patterns/subtle-noise.png');
    opacity: 0.03;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 700;
    color: #ffffff;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: #ffffff;
}

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

/* -------------------------------------------
   3. LAYOUT & HEADER
   ------------------------------------------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 0.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 101;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), background-color var(--transition-speed) ease;
}

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

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

.site-header.scrolled {
    background-color: rgba(13, 13, 18, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.site-logo a {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.5rem;
    color: #ffffff;
}

.site-nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.site-nav a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
    padding: 0.5rem;
}

.site-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-speed) ease;
}

.site-nav a:hover::after {
    width: 100%;
}

.site-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 8rem 2rem 2rem;
}

section {
    padding: 5rem 0;
    border-bottom: 1px solid var(--glass-border);
}

section:last-of-type {
    border-bottom: none;
}

.section-title {
    font-size: clamp(2rem, 5vw, 2.5rem);
    text-align: center;
    margin-bottom: 3rem;
    font-weight: 800;
}

/* -------------------------------------------
   4. COMPONENTS
   ------------------------------------------- */

/* --- Hero Section --- */
.hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-title .anim-char {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.hero-title .anim-char.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-tagline {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin: 1rem auto 0;
    max-width: 500px;
}

/* --- About Section --- */
.about-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-image img {
    border-radius: var(--border-radius);
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.social-links a {
    color: var(--text-muted);
    font-size: 1.5rem;
    margin-right: 1.5rem;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), color 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* --- Projects Section --- */
.project-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.project-card {
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--glass-border);
}

.project-card a {
    display: block;
    color: inherit;
    text-decoration: none;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.project-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.5;
}

.project-tag {
    display: inline-block;
    background-color: var(--accent-color);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.4rem 0.9rem;
    border-radius: 99px;
    margin-top: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.load-more-container {
    text-align: center;
    margin-top: 3rem;
}

/* --- Skills Section --- */
.skills-grid-redesigned {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-category-redesigned h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-pill {
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
}

.skill-pill:hover {
    background-color: var(--accent-color);
    color: #ffffff;
}

/* --- Footer --- */
.site-footer-main {
    text-align: center;
    padding: 4rem 2rem;
}

.site-footer-main p {
    font-size: 1.5rem;
    font-family: var(--font-display);
}

.contact-button {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(45deg, var(--accent-color), #6D63FF);
    color: #ffffff;
    padding: 0.8rem 2rem;
    border-radius: 99px;
    font-weight: 600;
    margin: 1.5rem 0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.contact-button i {
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
}

.contact-button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px var(--accent-glow);
    color: #ffffff;
}

.contact-button:hover i {
    transform: translateX(5px);
}



.footer-social a {
    color: var(--text-muted);
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), color 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.site-footer-main small {
    display: block;
    margin-top: 2rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* -------------------------------------------
   5. ANIMATIONS & INTERACTIVITY
   ------------------------------------------- */

/* --- Scroll Reveal --- */
/* section {
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    opacity: 0;
    transform: translateY(40px);
} */

section.in-view {
    /* This class is now used as a trigger in JS, not for direct styling */
    opacity: 1;
    transform: translateY(0);
}

/* New cascade animation styles */
.project-card, .skill-pill, .about-container > *, .hero-text > * {
    opacity: 0;
    transform: translateY(30px);
    /* transition: opacity 0.6s var(--easing-curve), transform 0.6s var(--easing-curve); */
    transition: all 0.6s var(--easing-curve);
}

.project-card.visible, .skill-pill.visible, .about-container > *.visible, .hero-text > *.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Custom Cursor --- */
.cursor-dot {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 8px;
    height: 8px;
    background-color: var(--accent-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: background-color 0.2s ease;
}

.cursor-dot.hover {
    background-color: #6D63FF;
}

a, button {
    cursor: pointer;
}

/* -------------------------------------------
   6. MOBILE NAVIGATION
   ------------------------------------------- */
.mobile-nav-toggle {
    display: none; /* Hidden by default, shown in media query */
    z-index: 102;
    background: transparent;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.mobile-nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: #ffffff;
    margin: 5px 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(13, 13, 18, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 100;
}

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

.mobile-nav-menu nav {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.mobile-nav-menu a {
    font-family: var(--font-display);
    font-size: 2rem;
    color: #ffffff;
    padding: 1rem 0;
    transition: color 0.3s ease;
}

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

/* --- Toggle animation --- */
.mobile-nav-toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-nav-toggle.is-active span:nth-child(2) {
    opacity: 0;
}
.mobile-nav-toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* -------------------------------------------
   7. RESPONSIVENESS
   ------------------------------------------- */
body.no-scroll {
    overflow: hidden;
}

@media (max-width: 900px) {
    .about-container {
        grid-template-columns: 1fr;
    }
    .about-image {
        order: -1;
    }
    .skills-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .site-nav {
        display: none;
    }
    .mobile-nav-toggle {
        display: block;
    }
    .section-title {
        font-size: 2rem;
    }
    .project-grid {
        grid-template-columns: 1fr;
    }
}