/* ============================================================
   EMMANUEL OLUYEMI — SENIOR PORTFOLIO DESIGN SYSTEM
   Modern Editorial, Warm-Minimalist / Neo-Nordic Grid
   Dual-Theme System (Chalk White & Ink Black)
   ============================================================ */

/* ===== DESIGN TOKENS & VARIABLE SYSTEM ===== */
:root {
    /* Chalk/Sand Light Theme (Default) */
    --bg-base: #f7f4ef;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #efebe4;
    
    --text-main: #141416;
    --text-main-rgb: 20, 20, 22;
    --text-muted: #62605c;
    --text-inverse: #f7f4ef;
    
    --accent: #d25d38; /* Sophisticated terracotta rust */
    --accent-rgb: 210, 93, 56;
    --accent-secondary: #2f4858;
    
    --border-color: rgba(20, 20, 22, 0.08);
    --border-color-hover: rgba(20, 20, 22, 0.2);
    
    --glass-bg: rgba(255, 255, 255, 0.35);
    --glass-border: rgba(20, 20, 22, 0.05);
    --glass-blur: 20px;
    
    --font-heading: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'DM Mono', monospace;
    
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --transition-fast: all 0.25s var(--ease-out-expo);
    --transition-smooth: all 0.5s var(--ease-out-expo);
    --transition-slow: all 0.9s var(--ease-out-expo);
}

[data-theme="dark"] {
    /* Deep Velvet Dark Theme */
    --bg-base: #0c0c0e;
    --bg-surface: #131316;
    --bg-surface-elevated: #1a1a1f;
    
    --text-main: #f5f0eb;
    --text-main-rgb: 245, 240, 235;
    --text-muted: #95938d;
    --text-inverse: #0c0c0e;
    
    --accent: #e56d49; /* Slightly brighter terracotta for dark mode contrast */
    --accent-rgb: 229, 109, 73;
    --accent-secondary: #8da9c4;
    
    --border-color: rgba(245, 240, 235, 0.08);
    --border-color-hover: rgba(245, 240, 235, 0.25);
    
    --glass-bg: rgba(19, 19, 22, 0.45);
    --glass-border: rgba(245, 240, 235, 0.05);
}

/* ===== RESET & ROOT STYLES ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-base);
    color: var(--text-main);
    transition: background-color 0.8s var(--ease-out-expo), color 0.8s var(--ease-out-expo);
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color-hover);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Selection */
::selection {
    background-color: rgba(var(--accent-rgb), 0.15);
    color: var(--accent);
}

/* ===== PRELOADER ===== */
#preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-base);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.8s var(--ease-out-expo), opacity 0.8s var(--ease-out-expo);
}

#preloader.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-5%);
}

.preloader-inner {
    text-align: center;
    width: 250px;
}

.preloader-logo {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 1.5rem;
    letter-spacing: -0.05em;
    animation: pulseLogo 2s infinite alternate;
}

.preloader-bar {
    width: 100%;
    height: 2px;
    background: var(--border-color);
    overflow: hidden;
    position: relative;
    border-radius: 2px;
}

.preloader-fill {
    position: absolute;
    top: 0; left: 0;
    height: 100%;
    width: 0%;
    background: var(--accent);
    transition: width 0.1s linear;
}

.preloader-text {
    display: block;
    margin-top: 0.8rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

@keyframes pulseLogo {
    0% { transform: scale(0.95); opacity: 0.85; }
    100% { transform: scale(1.05); opacity: 1; }
}

/* ===== 3D CANVAS & CURSOR ===== */
#bg-canvas {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    transition: opacity 1s ease;
}

#cursor, #cursor-follower {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    transition: width 0.25s var(--ease-out-expo), height 0.25s var(--ease-out-expo), background-color 0.25s var(--ease-out-expo), border-color 0.25s var(--ease-out-expo);
    display: block;
}

#cursor {
    width: 6px;
    height: 6px;
    background-color: var(--accent);
}

#cursor-follower {
    width: 32px;
    height: 32px;
    border: 1px solid rgba(var(--accent-rgb), 0.3);
    backdrop-filter: blur(1px);
    transition: transform 0.08s ease-out, width 0.25s var(--ease-out-expo), height 0.25s var(--ease-out-expo);
}

.cursor-hover #cursor-follower {
    width: 55px;
    height: 55px;
    background-color: rgba(var(--accent-rgb), 0.05);
    border-color: var(--accent);
}

.cursor-hover #cursor {
    transform: translate(-50%, -50%) scale(1.5);
}

@media (hover: none) {
    #cursor, #cursor-follower {
        display: none !important;
    }
}

/* ===== BUTTONS & INTERACTIVES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--text-main);
    color: var(--bg-base);
    border: 1px solid var(--text-main);
    box-shadow: 0 4px 14px rgba(var(--text-main-rgb), 0.05);
}

.btn-primary:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.25);
}

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

.btn-secondary:hover {
    background-color: var(--text-main);
    color: var(--bg-base);
    border-color: var(--text-main);
    transform: translateY(-3px);
}

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

.btn-outline:hover {
    background-color: rgba(var(--text-main-rgb), 0.03);
    border-color: var(--text-main);
    transform: translateY(-2px);
}

.btn-icon {
    margin-left: 8px;
    font-family: var(--font-body);
    transition: transform 0.3s var(--ease-out-expo);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* ===== THEME TOGGLE ===== */
#theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

#theme-toggle:hover {
    transform: rotate(30deg) scale(1.1);
    background: var(--bg-surface);
    border-color: var(--accent);
    box-shadow: 0 12px 40px rgba(var(--accent-rgb), 0.15);
}

.theme-icon {
    font-size: 1.2rem;
    position: absolute;
    transition: transform 0.5s var(--ease-out-expo), opacity 0.3s;
}

[data-theme="light"] .theme-icon.sun { opacity: 0; transform: scale(0.5) rotate(90deg); }
[data-theme="light"] .theme-icon.moon { opacity: 1; transform: scale(1) rotate(0); color: var(--accent); }
[data-theme="dark"] .theme-icon.sun { opacity: 1; transform: scale(1) rotate(0); color: var(--accent); }
[data-theme="dark"] .theme-icon.moon { opacity: 0; transform: scale(0.5) rotate(-90deg); }

/* ===== NAVIGATION ===== */
#navbar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 80px;
    z-index: 990;
    background: rgba(var(--text-main-rgb), 0.01);
    border-bottom: 1px solid transparent;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
}

#navbar.scrolled {
    height: 70px;
    background: var(--glass-bg);
    border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
}

.nav-container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-main);
    letter-spacing: -0.05em;
}

.logo-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent);
    border-radius: 50%;
    margin-left: 2px;
    display: inline-block;
}

.nav-links {
    display: flex;
    gap: 2.2rem;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0%; height: 2px;
    background-color: var(--accent);
    transition: var(--transition-smooth);
}

.nav-link:hover {
    color: var(--text-main);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    padding: 0.6rem 1.4rem;
    border-radius: 40px;
    background: var(--text-main);
    color: var(--bg-base);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-fast);
}

.nav-cta:hover {
    background: var(--accent);
    color: #ffffff;
    transform: translateY(-2px);
}

/* Mobile burger menu */
.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.nav-burger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

.nav-burger.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.nav-burger.open span:nth-child(2) {
    opacity: 0;
}

.nav-burger.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Nav Dropdown */
.nav-mobile {
    position: fixed;
    inset: 0;
    background: var(--bg-base);
    z-index: 980;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.nav-mobile.open {
    opacity: 1;
    pointer-events: auto;
}

.nav-mobile ul {
    list-style: none;
    text-align: center;
}

.nav-mobile li {
    margin: 2rem 0;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.5s var(--ease-out-expo), opacity 0.5s var(--ease-out-expo);
}

.nav-mobile.open li {
    transform: translateY(0);
    opacity: 1;
}

.nav-mobile.open li:nth-child(1) { transition-delay: 0.1s; }
.nav-mobile.open li:nth-child(2) { transition-delay: 0.15s; }
.nav-mobile.open li:nth-child(3) { transition-delay: 0.2s; }
.nav-mobile.open li:nth-child(4) { transition-delay: 0.25s; }
.nav-mobile.open li:nth-child(5) { transition-delay: 0.3s; }
.nav-mobile.open li:nth-child(6) { transition-delay: 0.35s; }

.mobile-link {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition-fast);
}

.mobile-link:hover {
    color: var(--accent);
    padding-left: 10px;
}

/* ===== MAIN CONTAINER & SECTIONS ===== */
main {
    max-width: 1400px;
    margin: 0 auto;
    width: 90%;
    position: relative;
    z-index: 1;
}

section {
    min-height: 100vh;
    padding: 7rem 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.section-container {
    width: 100%;
}

.section-header {
    margin-bottom: 4.5rem;
    max-width: 700px;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    display: block;
    margin-bottom: 0.8rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-main);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

/* ===== HERO SECTION ===== */
#hero {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
    padding-top: 120px;
    min-height: 100vh;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    padding: 0.4rem 1.1rem;
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: #4cd964;
    border-radius: 50%;
    animation: flashBadge 2.5s infinite;
}

@keyframes flashBadge {
    0%, 100% { opacity: 0.3; transform: scale(0.9); }
    50% { opacity: 1; transform: scale(1.1); }
}

.hero-name {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 7.5vw, 6.2rem);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.04em;
    color: var(--text-main);
    margin-bottom: 1.5rem;
}

.name-line {
    display: block;
}

.accent-stroke {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--text-main);
    position: relative;
}

.accent-stroke::before {
    content: attr(data-text);
    position: absolute;
    inset: 0;
    color: var(--text-main);
    width: 0%;
    overflow: hidden;
    transition: width 1.2s var(--ease-out-expo);
    border-right: 2px solid transparent;
}

.accent-stroke:hover::before {
    width: 100%;
}

.hero-role {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-main);
}

.role-prefix {
    color: var(--text-muted);
    font-weight: 400;
}

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

.typing-cursor {
    color: var(--accent);
    animation: blinkCursor 0.8s infinite;
}

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

.hero-tagline {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-muted);
    max-width: 580px;
    margin-bottom: 2.8rem;
}

.hero-cta {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-row {
    display: flex;
    align-items: baseline;
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1;
    color: var(--text-main);
}

.stat-plus {
    color: var(--accent);
    font-size: 1.6rem;
    margin-left: 2px;
}

.stat-label {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-top: 0.4rem;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background-color: var(--border-color);
}

/* Hero Visual Column */
.hero-visual {
    position: relative;
    width: 100%;
    height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.22;
    z-index: 1;
    pointer-events: none;
    mix-blend-mode: multiply;
}

.orb-1 {
    width: 300px; height: 300px;
    background: var(--accent);
    top: 10%; right: 10%;
    animation: floatOrb1 15s infinite alternate;
}

.orb-2 {
    width: 250px; height: 250px;
    background: var(--accent-secondary);
    bottom: 20%; left: 10%;
    animation: floatOrb2 12s infinite alternate;
}

@keyframes floatOrb1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, -40px) scale(1.15); }
}

@keyframes floatOrb2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-30px, 30px) scale(0.9); }
}

.hero-img-col {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 380px;
}

.hero-img-frame {
    position: relative;
    border-radius: 20px;
    overflow: visible;
    background-color: var(--bg-surface-elevated);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.05);
    aspect-ratio: 4 / 5;
    border: 1px solid var(--border-color);
}

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 19px;
    filter: grayscale(0.2) contrast(1.05);
    transition: var(--transition-slow);
}

.hero-img-frame:hover .hero-photo {
    filter: grayscale(0) contrast(1.02);
    transform: scale(1.01);
}

.hero-img-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 800;
    color: var(--accent);
    background: var(--bg-surface-elevated);
    border-radius: 20px;
}

/* Floating pills around image */
.hero-tech-pill {
    position: absolute;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-main);
    box-shadow: 0 8px 24px rgba(0,0,0,0.03);
    white-space: nowrap;
    transition: var(--transition-smooth);
}

.hero-tech-pill:hover {
    transform: translateY(-4px) scale(1.05);
    border-color: var(--accent);
    background: var(--bg-surface);
}

.pill-django { top: 15%; left: -20%; }
.pill-python { top: 48%; right: -22%; }
.pill-api { bottom: 25%; left: -25%; }
.pill-nigeria { bottom: -5%; right: 10%; }

.exp-badge {
    position: absolute;
    top: -12%;
    right: -15%;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem 1.4rem;
    border-radius: 16px;
    z-index: 3;
    animation: floatBadge 6s infinite ease-in-out;
}

@keyframes floatBadge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.exp-years {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.exp-label {
    font-size: 0.65rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-main);
    line-height: 1.3;
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

/* Floating Code Card */
.hero-card {
    position: absolute;
    bottom: -15%;
    left: -15%;
    width: 280px;
    padding: 1.2rem;
    border-radius: 12px;
    z-index: 3;
    box-shadow: 0 15px 40px rgba(0,0,0,0.04);
}

.card-header {
    display: flex;
    gap: 6px;
    margin-bottom: 0.8rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27c93f; }

.code-snippet {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    line-height: 1.5;
    color: var(--text-muted);
}

.c-kw { color: #d25d38; font-weight: 600; }
.c-fn { color: #2f4858; }
.c-key { color: var(--text-main); }
.c-str { color: #4cd964; }
.c-bool { color: #ff9500; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.scroll-line {
    width: 40px;
    height: 1px;
    background-color: var(--border-color-hover);
    position: relative;
    overflow: hidden;
}

.scroll-dot {
    position: absolute;
    left: 0; top: 0;
    width: 15px; height: 100%;
    background-color: var(--accent);
    animation: scrollDotAnim 2s infinite ease-in-out;
}

@keyframes scrollDotAnim {
    0% { left: -15px; }
    100% { left: 40px; }
}

/* ===== ABOUT SECTION ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 5rem;
    align-items: start;
}

.about-lead {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-main);
    margin-bottom: 2rem;
}

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

.about-body {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.personal-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 3rem 0;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.info-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.info-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
}

.info-value a {
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.info-value.available {
    color: #4cd964;
}

.about-actions {
    display: flex;
    gap: 1.2rem;
}

/* About Right / Skills */
.skills-heading {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-main);
}

.skill-bars {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.skill-bar-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-bar-header {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
}

.skill-bar-track {
    width: 100%;
    height: 4px;
    background-color: var(--bg-surface-elevated);
    border-radius: 4px;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    width: 0%;
    background-color: var(--accent);
    border-radius: 4px;
    transition: width 1.5s var(--ease-out-expo);
}

/* Mini Timeline */
.about-timeline-mini {
    margin-top: 3.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    border-left: 1px solid var(--border-color);
    padding-left: 1.5rem;
}

.mini-timeline-item {
    position: relative;
}

.mini-dot {
    position: absolute;
    left: -28px;
    top: 5px;
    width: 7px;
    height: 7px;
    background-color: var(--accent);
    border-radius: 50%;
    outline: 4px solid var(--bg-base);
}

.mini-timeline-item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--text-main);
}

.mini-timeline-item span {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    display: block;
    margin: 0.2rem 0 0.5rem;
}

.mini-timeline-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ===== SERVICES SECTION ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.8rem;
}

.service-card {
    padding: 2.8rem 2.2rem;
    border-radius: 20px;
    transition: var(--transition-smooth);
    border: 1px solid var(--glass-border);
}

.service-card:hover {
    transform: translateY(-8px);
    background-color: var(--bg-surface);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.03);
}

.service-icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background-color: var(--bg-surface-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    transition: var(--transition-fast);
}

.service-card:hover .service-icon-wrap {
    background-color: rgba(var(--accent-rgb), 0.15);
}

.service-emoji {
    font-size: 1.3rem;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.service-desc {
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.service-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-pills span {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    padding: 0.25rem 0.7rem;
    background-color: var(--bg-surface-elevated);
    color: var(--text-muted);
    border-radius: 20px;
    font-weight: 500;
}

.service-card:hover .service-pills span {
    background-color: rgba(var(--accent-rgb), 0.05);
    color: var(--accent);
}

/* ===== ACHIEVEMENTS ===== */
.achievements-row {
    margin-bottom: 4rem;
}

.ach-category-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2.2rem;
    color: var(--text-main);
}

.achievements-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.achievement-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.8rem;
    border-radius: 16px;
    align-items: flex-start;
    transition: var(--transition-smooth);
}

.achievement-item:hover {
    background-color: var(--bg-surface);
    border-color: var(--accent);
    transform: scale(1.02);
}

.ach-icon-wrap {
    font-size: 1.6rem;
}

.ach-body h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.4rem;
}

.ach-body p {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-muted);
}

/* Hackathons grid */
.hackathon-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.2rem;
}

.hackathon-card {
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.hackathon-card:hover {
    transform: translateY(-8px);
    background-color: var(--bg-surface);
    border-color: var(--accent);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.04);
}

.hackathon-img-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    background-color: var(--bg-surface-elevated);
    overflow: hidden;
}

.hackathon-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.hackathon-card:hover .hackathon-img-wrap img {
    transform: scale(1.06);
}

.hack-img-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.hackathon-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--text-main);
    color: var(--bg-base);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 0.35rem 0.8rem;
    border-radius: 4px;
    text-transform: uppercase;
}

.hackathon-body {
    padding: 2rem;
}

.hack-date {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    display: block;
    margin-bottom: 0.6rem;
}

.hackathon-body h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.8rem;
}

.hackathon-body p {
    font-size: 0.88rem;
    line-height: 1.65;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.hack-stack {
    display: flex;
    gap: 0.5rem;
}

.hack-stack span {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 0.2rem 0.6rem;
    background-color: var(--bg-surface-elevated);
    border-radius: 4px;
    color: var(--text-muted);
}

/* ===== EXPERIENCE TIMELINE ===== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    border-left: 1px solid var(--border-color);
    padding-left: 2rem;
}

.timeline-item {
    position: relative;
    margin-bottom: 3.5rem;
}

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

.timeline-dot {
    position: absolute;
    left: -37px;
    top: 24px;
    width: 9px;
    height: 9px;
    background-color: var(--accent);
    border-radius: 50%;
    outline: 5px solid var(--bg-base);
}

.timeline-card {
    padding: 2.2rem;
    border-radius: 20px;
    transition: var(--transition-smooth);
}

.timeline-item:hover .timeline-card {
    background-color: var(--bg-surface);
    border-color: var(--accent);
    transform: translateX(8px);
}

.tl-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
}

.tl-period {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    font-weight: 600;
}

.tl-badge {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    background-color: var(--border-color);
    color: var(--text-muted);
}

.tl-badge.current {
    background-color: rgba(var(--accent-rgb), 0.15);
    color: var(--accent);
}

.tl-role {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

.tl-company {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 600;
    display: block;
    margin-bottom: 1.2rem;
}

.tl-desc {
    font-size: 0.9rem;
    line-height: 1.75;
    color: var(--text-muted);
    margin-bottom: 1.8rem;
}

.tl-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tl-skills span {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 0.25rem 0.7rem;
    background-color: var(--bg-surface-elevated);
    color: var(--text-muted);
    border-radius: 4px;
}

/* ===== PORTFOLIO GRID ===== */
.projects-filter {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.5rem 1.4rem;
    border-radius: 40px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    border-color: var(--text-main);
    color: var(--text-main);
    background-color: rgba(var(--text-main-rgb), 0.02);
}

.filter-btn.active {
    background-color: var(--text-main);
    color: var(--bg-base);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.2rem;
}

.project-card {
    border-radius: 20px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
    outline: none;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.04);
}

.project-card.featured {
    grid-column: span 1;
}

.project-featured-badge {
    position: absolute;
    top: 1rem; right: 1rem;
    z-index: 10;
    background-color: var(--accent);
    color: #ffffff;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    text-transform: uppercase;
    padding: 0.3rem 0.7rem;
    border-radius: 4px;
}

.project-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: var(--bg-surface-elevated);
}

.project-img-real {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-img-real img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.project-card:hover .project-img-real img {
    transform: scale(1.05);
}

.project-emoji {
    font-size: 3rem;
    position: absolute;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(var(--text-main-rgb), 0.4);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s var(--ease-out-expo);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.5rem;
    background-color: #ffffff;
    color: #121214;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 40px;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    transform: translateY(15px);
    transition: transform 0.4s var(--ease-out-expo), background-color 0.2s;
}

.project-card:hover .project-link {
    transform: translateY(0);
}

.project-link:hover {
    background-color: var(--accent);
    color: #ffffff;
}

.project-body {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.6rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.project-category {
    text-transform: uppercase;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.8rem;
}

.project-desc {
    font-size: 0.88rem;
    line-height: 1.65;
    color: var(--text-muted);
    margin-bottom: 1.8rem;
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: auto;
}

.tech-tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 0.2rem 0.65rem;
    background-color: var(--bg-surface-elevated);
    color: var(--text-muted);
    border-radius: 4px;
}

/* ===== CONTACT SECTION ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 5rem;
    align-items: start;
}

.contact-desc {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.5rem 1.8rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
}

.contact-info-item:hover {
    border-color: var(--accent);
    transform: translateX(6px);
    background-color: var(--bg-surface);
}

.contact-info-icon {
    font-size: 1.4rem;
    color: var(--accent);
    flex-shrink: 0;
}

.contact-info-item div {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.contact-info-item strong {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-info-item span,
.contact-info-item a {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.contact-socials {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    transition: var(--transition-smooth);
}

.social-link:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
    transform: translateY(-4px);
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.5rem 1.8rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    transition: var(--transition-smooth);
    background-color: var(--bg-surface);
}

.contact-card:hover {
    border-color: var(--accent);
    transform: translateX(6px);
}

.contact-card i {
    font-size: 1.4rem;
    color: var(--accent);
}

.contact-card span {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
}

/* Form Styling */
.contact-form {
    padding: 3rem;
    border-radius: 24px;
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.contact-form-wrap {
    padding: 3rem;
    border-radius: 24px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-input, .form-textarea {
    width: 100%;
    padding: 0.8rem 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-main);
    outline: none;
    transition: border-color 0.3s;
    resize: none;
}

.form-input:focus, .form-textarea:focus {
    border-color: transparent;
}

.form-line {
    position: absolute;
    bottom: 0; left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--accent);
    transition: width 0.4s var(--ease-out-expo);
}

.form-focus-line {
    position: absolute;
    bottom: 0; left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--accent);
    transition: width 0.4s var(--ease-out-expo);
}

.form-input:focus ~ .form-line, .form-textarea:focus ~ .form-line,
.form-input:focus ~ .form-focus-line, .form-textarea:focus ~ .form-focus-line {
    width: 100%;
}

.form-label {
    position: absolute;
    left: 0; top: 0.8rem;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: transform 0.3s var(--ease-out-expo), color 0.3s;
}

.form-group label {
    position: absolute;
    left: 0; top: 0.8rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: transform 0.3s var(--ease-out-expo), color 0.3s;
}

.form-input:focus ~ label, .form-textarea:focus ~ label,
.form-input:not(:placeholder-shown) ~ label, .form-textarea:not(:placeholder-shown) ~ label,
.form-input:focus ~ .form-label, .form-textarea:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label, .form-textarea:not(:placeholder-shown) ~ .form-label {
    transform: translateY(-20px) scale(0.85);
    color: var(--accent);
}

.btn-submit {
    border: none;
    width: 100%;
}

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

.form-success {
    margin-top: 1rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: #4cd964;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ===== FOOTER ===== */
#footer {
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    margin-top: 5rem;
    position: relative;
    z-index: 1;
}

.footer-container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.footer-logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.6rem;
    text-decoration: none;
    color: var(--text-main);
    letter-spacing: -0.05em;
}

.footer-nav {
    display: flex;
    gap: 2rem;
}

.footer-nav a {
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

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

.footer-divider {
    height: 1px;
    background-color: var(--border-color);
    width: 100%;
    margin-bottom: 2rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.back-to-top {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-main);
    transition: var(--transition-fast);
}

.back-to-top:hover {
    color: var(--accent);
    transform: translateY(-3px);
}

/* ===== ANIMATIONS AND ENTRANCE EFFECTS ===== */
.reveal-up, .reveal-left, .reveal-right {
    opacity: 0;
    transition: transform 1.2s var(--ease-out-expo), opacity 1.2s var(--ease-out-expo);
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.visible, .reveal-left.visible, .reveal-right.visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ===== RESPONSIVE MEDIA QUERIES ===== */
@media (max-width: 1100px) {
    #hero {
        grid-template-columns: 1fr;
        gap: 4rem;
        padding-top: 100px;
        text-align: center;
    }
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .hero-tagline {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-visual {
        height: 480px;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    #navbar {
        height: 70px;
    }
    .nav-links, .nav-cta {
        display: none;
    }
    .nav-burger {
        display: flex;
    }
    .hackathon-grid {
        grid-template-columns: 1fr;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .footer-top {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    .footer-nav {
        flex-direction: column;
        gap: 1rem;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    .contact-form-wrap {
        padding: 2rem;
    }
    .exp-badge {
        right: -5%;
    }
    .hero-card {
        left: -5%;
    }
    .skills-heading {
        margin-top: 2rem;
    }
}