/* ============================================
   SECTIONS.CSS v2.1 — Polished & Premium
   ============================================ */

/* ============================================
   SMOOTH SCROLL (managed by Lenis now)
   ============================================ */

/* ============================================
   NAVBAR — Fixed Top
   ============================================ */
.site-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-h);
    background: var(--bg-navbar);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border-color);
    z-index: var(--z-navbar);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--s10);
    transition: background var(--t-slow) var(--ease),
        border-color var(--t-slow) var(--ease),
        box-shadow var(--t-normal) var(--ease);
}

.site-navbar.scrolled {
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.3);
}

body.light-mode .site-navbar.scrolled {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
}

/* Logo */
.navbar-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-heading);
    letter-spacing: -0.5px;
    text-decoration: none;
    flex-shrink: 0;
    position: relative;
}

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

.navbar-logo::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-gradient);
    border-radius: var(--r-full);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-normal) var(--ease);
}

.navbar-logo:hover::after {
    transform: scaleX(1);
}

/* Nav Links */
.navbar-links {
    display: flex;
    align-items: center;
    gap: var(--s8);
}

.navbar-links a {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: color var(--t-normal) var(--ease);
    position: relative;
    padding-bottom: 4px;
}

.navbar-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: var(--r-full);
    transition: width var(--t-normal) var(--ease);
}

.navbar-links a:hover,
.navbar-links a.active {
    color: var(--text-heading);
}

.navbar-links a:hover::after,
.navbar-links a.active::after {
    width: 100%;
}

/* Right Controls */
.navbar-controls {
    display: flex;
    align-items: center;
    gap: var(--s5);
    flex-shrink: 0;
}

/* Dark/Light Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: var(--s2);
}

.theme-toggle__icon {
    font-size: 0.85rem;
    transition: opacity var(--t-normal) var(--ease);
}

.theme-toggle__switch {
    width: 46px;
    height: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--r-full);
    position: relative;
    cursor: pointer;
    transition: all var(--t-normal) var(--ease);
    flex-shrink: 0;
}

.theme-toggle__switch::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent);
    top: 2px;
    left: 2px;
    transition: transform var(--t-normal) var(--ease),
        box-shadow var(--t-normal) var(--ease);
    box-shadow: 0 2px 8px rgba(107, 223, 143, 0.4);
}

body.light-mode .theme-toggle__switch::before {
    transform: translateX(22px);
}

body.light-mode .theme-toggle__switch {
    background: rgba(107, 223, 143, 0.1);
    border-color: var(--accent-dark);
}

/* CV Button */
.navbar-cv-btn {
    font-size: 0.73rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 9px 18px;
    border-radius: var(--r-full);
    background: var(--accent);
    color: #0a0f1e;
    display: flex;
    align-items: center;
    gap: var(--s2);
    transition: all var(--t-normal) var(--ease);
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(107, 223, 143, 0.3);
    white-space: nowrap;
}

.navbar-cv-btn:hover {
    background: var(--accent-light);
    color: #0a0f1e;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(107, 223, 143, 0.45);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    border-radius: var(--r-sm);
    transition: background var(--t-fast) var(--ease);
}

.hamburger:hover {
    background: var(--glass-bg);
}

.hamburger span {
    width: 22px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: all var(--t-normal) var(--ease);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-8px);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Sidebar overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    /* background: rgba(0,0,0,0.55); */
    z-index: var(--z-overlay);
    opacity: 0;
    transition: opacity var(--t-normal) var(--ease);
    /* backdrop-filter: blur(4px); */
    pointer-events: none;
}

.sidebar-overlay.open {
    opacity: 1;
    pointer-events: all;
}

/* ============================================
   SIDEBAR — Left Profile Panel
   ============================================ */
.sidebar-inner {
    padding: var(--s5) var(--s4);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--s1);
}

/* Photo */
.sidebar-photo-wrap {
    position: relative;
    display: inline-block;
    margin-bottom: var(--s2);
}

.sidebar-photo {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid transparent;
    background: linear-gradient(var(--bg-sidebar), var(--bg-sidebar)) padding-box,
        var(--accent-gradient) border-box;
    box-shadow: 0 0 0 6px rgba(107, 223, 143, 0.06),
        0 8px 32px rgba(0, 0, 0, 0.4);
    transition: box-shadow var(--t-slow) var(--ease),
        transform var(--t-normal) var(--ease);
}

.sidebar-photo:hover {
    transform: scale(1.04);
    box-shadow: 0 0 0 8px rgba(107, 223, 143, 0.1),
        0 12px 40px rgba(0, 0, 0, 0.5);
}

.sidebar-photo-status {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    border: 2.5px solid var(--bg-sidebar);
    animation: pulse 2.5s ease-in-out infinite;
}

/* Name & role */
.sidebar-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-top: var(--s4);
    letter-spacing: -0.2px;
}

.sidebar-role {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--text-muted);
    margin-top: var(--s1);
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-role-text {
    border-right: 1.5px solid var(--accent);
    padding-right: 3px;
    animation: blink 0.8s step-end infinite;
    font-size: 0.63rem;
    color: var(--accent);
}

/* Divider */
.sidebar-divider {
    width: 100%;
    height: 1px;
    background: var(--divider);
    margin: var(--s5) 0;
    flex-shrink: 0;
    position: relative;
}

.sidebar-divider::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 1px;
    background: var(--accent);
    opacity: 0.4;
}

/* Social Links */
.sidebar-social {
    display: flex;
    gap: var(--s2);
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.sidebar-social a {
    width: 34px;
    height: 34px;
    border-radius: var(--r-md);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.88rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--t-normal) var(--ease);
    background: var(--glass-bg);
    position: relative;
    overflow: hidden;
}

.sidebar-social a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--t-normal) var(--ease);
}

.sidebar-social a:hover {
    border-color: var(--accent);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(107, 223, 143, 0.2);
}

.sidebar-social a:hover::before {
    opacity: 0.15;
}

/* Info rows */
.sidebar-info {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0;
    text-align: left;
}

.sidebar-info-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 7px 0;
    border-bottom: 1px dotted var(--divider);
    font-size: 0.71rem;
    gap: var(--s2);
    transition: background var(--t-fast) var(--ease);
}

.sidebar-info-row:last-child {
    border-bottom: none;
}

.sidebar-info-label {
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    flex-shrink: 0;
    font-size: 0.62rem;
}

.sidebar-info-value {
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
    word-break: break-word;
}

.sidebar-info-value a {
    color: var(--accent);
    text-decoration: none;
}

/* CTA */
.sidebar-cta {
    width: 100%;
    margin-top: var(--s3);
}

.sidebar-cta-btn {
    width: 100%;
    padding: 12px 20px;
    border-radius: var(--r-full);
    background: var(--accent-gradient);
    color: #0a0f1e;
    font-size: 0.73rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--s2);
    text-decoration: none;
    transition: all var(--t-normal) var(--ease);
    box-shadow: 0 4px 20px rgba(107, 223, 143, 0.25);
    position: relative;
    overflow: hidden;
}

.sidebar-cta-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(-100%);
    transition: transform var(--t-slow) var(--ease);
}

.sidebar-cta-btn:hover::before {
    transform: translateX(100%);
}

.sidebar-cta-btn:hover {
    color: #0a0f1e;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(107, 223, 143, 0.4);
}

/* ============================================
   SECTION COMMON
   ============================================ */
.content-section {
    padding: var(--s16) var(--s10);
    border-bottom: 1px solid var(--divider);
    transition: border-color var(--t-slow) var(--ease);
    position: relative;
}

.content-section:last-child {
    border-bottom: none;
}

/* Section Header */
.section-label {
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    gap: var(--s4);
    margin-bottom: var(--s10);
}

.section-label__title {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--text-heading);
    position: relative;
    padding-bottom: var(--s3);
}

.section-label__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: var(--r-full);
}

.section-label__num {
    font-size: 3rem;
    font-weight: 800;
    color: rgba(107, 223, 143, 0.05);
    font-family: var(--font-mono);
    letter-spacing: -3px;
    user-select: none;
    line-height: 1;
    order: -1;
}

/* ============================================
   HERO SECTION
   ============================================ */
.section-hero {
    min-height: calc(100vh - var(--navbar-h));
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--s20) var(--s10) var(--s16);
    background: var(--bg-body);
}

.hero-bg-image {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(107, 223, 143, 0.07) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(56, 178, 172, 0.05) 0%, transparent 50%),
        linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
    opacity: 0.8;
    z-index: 0;
    pointer-events: none;
}

body.light-mode .hero-bg-image {
    background-image:
        radial-gradient(circle at 20% 30%, rgba(107, 223, 143, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(56, 178, 172, 0.04) 0%, transparent 50%),
        linear-gradient(to right, rgba(0, 0, 0, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
}

/* animated gradient orbs */
.section-hero::before {
    content: '';
    position: absolute;
    top: -20%;
    left: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(107, 223, 143, 0.06) 0%, transparent 70%);
    animation: float-orb 12s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

.section-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 5%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 178, 172, 0.05) 0%, transparent 70%);
    animation: float-orb 16s ease-in-out infinite reverse;
    pointer-events: none;
    z-index: 0;
}

@keyframes float-orb {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -20px) scale(1.05);
    }

    66% {
        transform: translate(-20px, 30px) scale(0.96);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 680px;
}

.hero-greeting {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 3.5px;
    text-transform: uppercase;
    margin-bottom: var(--s5);
    display: flex;
    align-items: center;
    gap: var(--s3);
}

.hero-greeting::before {
    content: '';
    width: 28px;
    height: 1.5px;
    background: var(--accent);
    display: inline-block;
    border-radius: var(--r-full);
}

.hero-heading {
    font-size: clamp(2.4rem, 4.5vw, 4.2rem);
    font-weight: 800;
    line-height: 1.08;
    color: var(--text-heading);
    margin-bottom: var(--s6);
    letter-spacing: -1px;
}

.hero-heading span {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--s10);
    max-width: 520px;
}

.hero-cta {
    display: flex;
    gap: var(--s4);
    flex-wrap: wrap;
}

/* Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--s5);
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: var(--s12);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-skills-box {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-lg);
    padding: var(--s8);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.hero-skills-title {
    font-size: 1rem;
    color: var(--accent);
    margin-bottom: var(--s4);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-skills-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-left: 0;
}

.hero-skills-list li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-skills-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
}

.hero-stat {
    display: flex;
    align-items: center;
    gap: var(--s5);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-lg);
    padding: var(--s5) var(--s6);
    backdrop-filter: blur(12px);
    transition: all var(--t-normal) var(--ease);
    position: relative;
    overflow: hidden;
}

.hero-stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-slow) var(--ease);
}

.hero-stat:hover::before {
    transform: scaleX(1);
}

.hero-stat:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.hero-stat__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--r-md);
    background: rgba(107, 223, 143, 0.05);
    border: 1px solid var(--border-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--t-normal) var(--ease);
}

.stat-icon-svg {
    width: 22px;
    height: 22px;
    stroke: var(--accent);
    fill: none;
    transition: transform var(--t-normal) var(--ease), stroke var(--t-normal) var(--ease);
}

.hero-stat:hover .hero-stat__icon {
    background: rgba(107, 223, 143, 0.12);
    transform: scale(1.05);
}

.hero-stat:hover .stat-icon-svg {
    transform: scale(1.1) rotate(5deg);
    stroke: var(--accent-light);
}

.hero-stat__info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.hero-stat__num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.1;
    font-family: var(--font-mono);
}

.hero-stat__num span {
    color: var(--accent);
}

.hero-stat__label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    font-weight: 700;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    align-items: start;
}

.about-text p {
    font-size: 0.95rem;
    line-height: 1.85;
    color: var(--text-secondary);
    margin-bottom: var(--s4);
}

.about-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s3);
    margin-top: var(--s2);
}

.about-info-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--s3) var(--s4);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--r-md);
    transition: all var(--t-normal) var(--ease);
    backdrop-filter: blur(8px);
}

.about-info-item:hover {
    border-color: var(--border-accent);
    background: rgba(107, 223, 143, 0.03);
    transform: translateX(3px);
}

.about-info-label {
    font-size: 0.58rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    font-weight: 700;
}

.about-info-val {
    font-size: 0.82rem;
    color: var(--text-primary);
    font-weight: 500;
}

.about-info-val a {
    color: var(--accent);
    text-decoration: none;
}

.about-info-val a:hover {
    text-decoration: underline;
}

.timeline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    opacity: 0.35;
    z-index: 1;
}

.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--r-lg);
    padding: var(--s8);
    transition: all var(--t-normal) var(--ease);
    position: relative;
}

.timeline-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-slow) var(--ease);
    border-radius: var(--r-lg) var(--r-lg) 0 0;
}

.timeline-card:hover::before {
    transform: scaleX(1);
}

.timeline-card:hover {
    border-color: var(--border-accent);
    box-shadow: 0 8px 40px rgba(107, 223, 143, 0.1),
        0 2px 8px rgba(0, 0, 0, 0.3);
    transform: translateY(-6px);
    background: var(--bg-card-hover);
}

.timeline-card__date {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: var(--s3);
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    padding: 3px 10px;
    background: rgba(107, 223, 143, 0.08);
    border-radius: var(--r-full);
    border: 1px solid var(--border-accent);
}

.timeline-card__role {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-heading);
    margin: var(--s3) 0 var(--s1);
}

.timeline-card__company {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: var(--s5);
}

.timeline-card__tasks {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}

.timeline-card__tasks li {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: var(--s2);
    line-height: 1.55;
}

.timeline-card__tasks li::before {
    content: '→';
    color: var(--accent);
    font-size: 0.65rem;
    flex-shrink: 0;
    margin-top: 2px;
    font-weight: 700;
}

.timeline-dot {
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--bg-body);
    border: 3px solid var(--accent);
    z-index: 2;
    box-shadow: 0 0 10px rgba(107, 223, 143, 0.4);
    transition: background-color var(--t-normal) var(--ease),
        transform var(--t-normal) var(--ease);
    top: 32px;
}

/* Alternating dots for 2-column layout on desktop */
.timeline-card:nth-child(odd) .timeline-dot {
    right: -21px;
    left: auto;
}

.timeline-card:nth-child(even) .timeline-dot {
    left: -21px;
    right: auto;
}

.timeline-card:hover .timeline-dot {
    background: var(--accent);
    transform: scale(1.15);
}

/* ============================================
   SKILLS
   ============================================ */
.skills-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
}

.skills-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--r-lg);
    padding: var(--s8);
    transition: all var(--t-normal) var(--ease);
}

.skills-card:hover {
    border-color: var(--border-accent);
}

.skills-card__title {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: var(--s6);
    display: flex;
    align-items: center;
    gap: var(--s2);
}

.skills-card__title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--divider);
}

/* Skill Bars */
.skill-bar-item {
    margin-bottom: var(--s5);
}

.skill-bar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.skill-bar-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.skill-bar-pct {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent);
    font-family: var(--font-mono);
}

.skill-bar-track {
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: var(--r-full);
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--r-full);
    width: 0;
    transition: width 1.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.skill-bar-fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--r-full);
}

/* Knowledge Tags */
.knowledge-section {
    margin-top: var(--s10);
}

.knowledge-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: var(--s6);
}

.knowledge-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--r-lg);
    padding: var(--s8);
}

.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s3);
}

.knowledge-item {
    display: flex;
    align-items: center;
    gap: var(--s3);
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: var(--s2) var(--s3);
    border-radius: var(--r-sm);
    transition: all var(--t-fast) var(--ease);
}

.knowledge-item:hover {
    color: var(--accent);
    background: rgba(107, 223, 143, 0.05);
}

.knowledge-icon {
    width: 18px;
    height: 18px;
    stroke: var(--accent);
    fill: none;
    flex-shrink: 0;
    transition: transform var(--t-fast) var(--ease);
}

.knowledge-item:hover .knowledge-icon {
    transform: scale(1.1);
}

/* ============================================
   PROJECTS
   ============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}

.project-card {
    background: linear-gradient(145deg, var(--bg-card) 0%, rgba(10, 15, 30, 0.4) 100%);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--r-xl);
    padding: var(--s4);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--s3);
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(107, 223, 143, 0.15) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s var(--ease);
    pointer-events: none;
}

.project-card:hover {
    border-color: rgba(107, 223, 143, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(107, 223, 143, 0.1);
    transform: translateY(-8px);
}

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

.project-card__top {
    width: 100%;
    display: block;
}

.project-card__thumb {
    width: 100%;
    height: 160px;
    border-radius: var(--r-lg);
    overflow: hidden;
    margin-bottom: var(--s4);
    position: relative;
}

.project-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.project-card:hover .project-card__thumb img {
    transform: scale(1.08);
}

.project-card__folder {
    font-size: 2.5rem;
    margin-bottom: var(--s2);
    filter: drop-shadow(0 4px 10px rgba(107, 223, 143, 0.3));
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.project-card:hover .project-card__folder {
    transform: scale(1.1) translateY(-5px);
}

.project-card__link {
    position: absolute;
    inset: 0;
    z-index: 10;
    opacity: 0;
    text-indent: -9999px;
}

.project-card__name {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.3;
    letter-spacing: 0.5px;
}

.project-card__domain {
    font-size: 0.75rem;
    color: var(--accent);
    font-family: var(--font-mono);
    opacity: 0.8;
}

/* ============================================
   EDUCATION
   ============================================ */
.edu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
    margin-bottom: var(--s12);
}

.edu-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--r-lg);
    padding: var(--s8);
    text-align: center;
    transition: all var(--t-normal) var(--ease);
    position: relative;
    overflow: hidden;
}

.edu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-slow) var(--ease);
}

.edu-card:hover::before {
    transform: scaleX(1);
}

.edu-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-6px);
}

.edu-card__emoji {
    display: block;
    margin-bottom: var(--s4);
    transition: transform var(--t-normal) var(--ease);
}

.edu-icon-svg {
    width: 42px;
    height: 42px;
    stroke: var(--accent);
    fill: none;
    display: inline-block;
    vertical-align: middle;
}

.edu-card:hover .edu-card__emoji {
    transform: scale(1.2) rotate(-5deg);
}

.edu-card__degree {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: var(--s2);
}

.edu-card__uni {
    font-size: 0.78rem;
    color: var(--accent);
    margin-bottom: var(--s1);
    font-weight: 500;
}

.edu-card__year {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* Achievements */
.achieve-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s4);
    margin-bottom: var(--s10);
}

.achieve-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--r-lg);
    padding: var(--s6);
    display: flex;
    align-items: center;
    gap: var(--s4);
    transition: all var(--t-normal) var(--ease);
}

.achieve-card:hover {
    border-color: var(--border-accent);
    transform: translateX(6px);
    box-shadow: -4px 0 20px rgba(107, 223, 143, 0.08);
}

.achieve-card__icon {
    flex-shrink: 0;
    transition: transform var(--t-normal) var(--ease);
    display: flex;
    align-items: center;
}

.achieve-icon-svg {
    width: 32px;
    height: 32px;
    stroke: var(--accent);
    fill: none;
}

.achieve-card:hover .achieve-card__icon {
    transform: scale(1.2);
}

.achieve-card__text {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.achieve-card__text strong {
    color: var(--text-heading);
}

/* Academic projects */
.academic-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s3);
}

.academic-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--r-md);
    padding: var(--s4) var(--s5);
    display: flex;
    align-items: center;
    gap: var(--s3);
    font-size: 0.83rem;
    color: var(--text-secondary);
    transition: all var(--t-normal) var(--ease);
}

.academic-item:hover {
    border-color: var(--border-accent);
    transform: translateX(6px);
    color: var(--text-primary);
}

.academic-item::before {
    content: '→';
    color: var(--accent);
    font-size: 0.75rem;
    flex-shrink: 0;
    font-weight: 700;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    align-items: start;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: var(--s4);
}

.contact-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--r-lg);
    padding: var(--s5) var(--s6);
    display: flex;
    align-items: center;
    gap: var(--s5);
    transition: all var(--t-normal) var(--ease);
}

.contact-detail-card:hover {
    border-color: var(--border-accent);
    transform: translateX(6px);
    box-shadow: -4px 0 24px rgba(107, 223, 143, 0.1);
}

.contact-detail-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--r-md);
    background: rgba(107, 223, 143, 0.07);
    border: 1px solid var(--border-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--t-normal) var(--ease);
}

.contact-detail-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--accent);
    fill: none;
}

.contact-detail-card:hover .contact-detail-icon {
    background: rgba(107, 223, 143, 0.12);
    transform: scale(1.05);
}

.contact-detail-label {
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 2px;
}

.contact-detail-val {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-detail-val a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--t-normal) var(--ease);
}

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

/* Location card */
.location-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--r-lg);
    padding: var(--s8);
    margin-bottom: var(--s5);
    transition: border-color var(--t-normal) var(--ease);
}

.location-card:hover {
    border-color: var(--border-accent);
}

.location-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: var(--s3);
}

.location-card__address {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}

.contact-extras {
    display: flex;
    flex-direction: column;
    gap: var(--s3);
}

.contact-extra-row {
    display: flex;
    align-items: center;
    gap: var(--s3);
    font-size: 0.83rem;
    color: var(--text-secondary);
    padding: var(--s3) var(--s4);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--r-md);
    transition: all var(--t-normal) var(--ease);
}

.contact-extra-row:hover {
    border-color: var(--border-accent);
    color: var(--text-primary);
}

.contact-extra-icon {
    color: var(--accent);
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.contact-extra-icon svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
}

.contact-extra-row strong {
    color: var(--text-primary);
}

/* Social Strip */
.social-strip {
    display: flex;
    gap: var(--s2);
    flex-wrap: wrap;
    margin-top: var(--s5);
}

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    padding: 7px 14px;
    border-radius: var(--r-full);
    border: 1px solid var(--border-color);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--t-normal) var(--ease);
    background: var(--glass-bg);
}

.social-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(107, 223, 143, 0.15);
}

/* WhatsApp button special styling */
.social-btn--whatsapp:hover {
    border-color: #25d366;
    color: #25d366;
    box-shadow: 0 6px 18px rgba(37, 211, 102, 0.2);
}

/* ============================================
   FLOATING WHATSAPP BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 86px;
    right: var(--s6);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-navbar);
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4),
        0 0 0 0 rgba(37, 211, 102, 0.3);
    transition: all var(--t-normal) var(--ease);
    animation: whatsapp-pulse 3s ease infinite;
}

.whatsapp-float:hover {
    background: #20b858;
    color: #fff;
    transform: scale(1.12) translateY(-3px);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
    animation: none;
}

@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.35);
    }

    70% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 14px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    padding: var(--s6) var(--s10);
    border-top: 1px solid var(--divider);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--s4);
    background: var(--bg-body);
    transition: background var(--t-slow) var(--ease);
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Back to top */
.back-to-top {
    position: fixed;
    bottom: var(--s8);
    right: var(--s6);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--accent-gradient);
    color: #0a0f1e;
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-navbar);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: all var(--t-normal) var(--ease);
    box-shadow: 0 4px 16px rgba(107, 223, 143, 0.3);
    border: none;
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(107, 223, 143, 0.45);
}

/* ============================================
   MOBILE NAV TABS (IN SIDEBAR)
   ============================================ */
.sidebar-nav-mobile {
    display: none;
    flex-direction: column;
    gap: var(--s2);
    width: 100%;
}

.sidebar-nav-mobile a {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    padding: 10px 15px;
    border-radius: var(--r-md);
    border: 1px solid transparent;
    text-decoration: none;
    transition: all var(--t-normal) var(--ease);
    text-align: center;
}

.sidebar-nav-mobile a:hover,
.sidebar-nav-mobile a.active {
    border-color: rgba(107, 223, 143, 0.3);
    color: var(--accent);
    background: rgba(107, 223, 143, 0.06);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--s2);
    padding: 12px 28px;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: var(--r-full);
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all var(--t-normal) var(--ease);
    cursor: pointer;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.12);
    transform: translateX(-100%) skewX(-15deg);
    transition: transform var(--t-slow) var(--ease);
}

.btn:hover::before {
    transform: translateX(100%) skewX(-15deg);
}

.btn--green {
    background: var(--accent-gradient);
    color: #0a0f1e;
    box-shadow: 0 4px 20px rgba(107, 223, 143, 0.35);
}

.btn--green:hover {
    color: #0a0f1e;
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(107, 223, 143, 0.5);
}

.btn--outline {
    border: 1.5px solid var(--border-accent);
    color: var(--accent);
    background: transparent;
}

.btn--outline:hover {
    background: rgba(107, 223, 143, 0.06);
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(107, 223, 143, 0.12);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1100px) {
    .skills-split {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 900px) {
    .hamburger {
        display: flex;
    }

    .navbar-links {
        display: none;
    }

    .sidebar-overlay {
        display: block;
    }

    .sidebar-nav-mobile {
        display: flex;
    }

    .section-hero {
        padding: var(--s16) var(--s6) var(--s10);
        min-height: auto;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--s8);
    }

    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
        margin-top: var(--s6);
    }

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

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

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

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

    .timeline {
        display: flex;
        flex-direction: column;
        gap: var(--s8);
        padding-left: 36px;
    }

    .timeline::before {
        left: 6px;
        transform: none;
    }

    .timeline-card .timeline-dot {
        left: -37px !important;
        right: auto !important;
    }
}

@media (max-width: 700px) {
    .section-hero {
        padding: var(--s12) var(--s4) var(--s8);
    }

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

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

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

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

    .about-info-grid {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .navbar-cv-btn span {
        display: none;
    }

    .section-label__num {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }
}