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

:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --dark: #0f172a;
    --darker: #080f1e;
    --card: #141e33;
    --card2: #1a2540;
    --border: #1e2d4a;
    --text: #cbd5e1;
    --text-dim: #64748b;
    --text-light: #94a3b8;
    --white: #f1f5f9;
    --gold: #f59e0b;
    --green: #10b981;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--darker);
    color: var(--text);
    font-family: 'Open Sans', sans-serif;
    font-size: 14px;
    line-height: 1.7;
    overflow-x: hidden;
}

/* ── LAYOUT ── */
.layout {
    display: flex;
    min-height: 100vh;
}

/* ── SIDEBAR ── */
.sidebar {
    width: 300px;
    flex-shrink: 0;
    background: var(--dark);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar-profile {
    text-align: center;
    padding: 48px 32px 32px;
    border-bottom: 1px solid var(--border);
}

.avatar-wrap {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.avatar-ring {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #6366f1);
    padding: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Raleway', sans-serif;
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -1px;
}

.status-dot {
    position: absolute;
    bottom: 6px;
    right: 6px;
    width: 14px;
    height: 14px;
    background: var(--green);
    border-radius: 50%;
    border: 2px solid var(--dark);
    animation: pulse-green 2s ease infinite;
}

@keyframes pulse-green {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, .6); }
    50% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

.sidebar-name {
    font-family: 'Raleway', sans-serif;
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 6px;
    letter-spacing: -.3px;
}

.sidebar-role {
    display: inline-block;
    background: rgba(14, 165, 233, .12);
    border: 1px solid rgba(14, 165, 233, .25);
    color: var(--primary);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    padding: 4px 14px;
    border-radius: 40px;
    font-family: 'Poppins', sans-serif;
}

.sidebar-contacts {
    padding: 28px 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    border-bottom: 1px solid var(--border);
}

.contact-row {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-light);
    text-decoration: none;
    transition: color .2s;
    font-family: 'Poppins', sans-serif;
    word-break: break-all;
}

.contact-row:hover { color: var(--primary); }

.contact-row i {
    width: 32px;
    height: 32px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--primary);
    flex-shrink: 0;
}

.sidebar-nav {
    padding: 20px 20px;
    flex: 1;
}

.sidebar-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: 8px;
    color: var(--text-dim);
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
    font-size: 13px;
    font-weight: 500;
    transition: all .2s;
    border: 1px solid transparent;
}

.sidebar-nav a i { width: 16px; text-align: center; }

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(14, 165, 233, .1);
    border-color: rgba(14, 165, 233, .2);
    color: var(--primary);
}

.sidebar-cv {
    padding: 20px 28px 32px;
    margin-top: auto;
}

.cv-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background: var(--primary);
    color: #fff;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: .06em;
    text-transform: uppercase;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    transition: all .25s;
}

.cv-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 165, 233, .35);
}

/* ── MAIN ── */
.main {
    margin-left: 300px;
    flex: 1;
    min-width: 0;
}

/* ── TOP NAV ── */
.topnav {
    position: sticky;
    top: 0;
    z-index: 90;
    background: rgba(8, 15, 30, .92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    height: 60px;
}

.topnav-links { display: flex; gap: 4px; }

.topnav-links a {
    padding: 6px 14px;
    color: var(--text-dim);
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
    font-size: 12px;
    font-weight: 500;
    border-radius: 6px;
    transition: all .2s;
}

.topnav-links a:hover {
    color: var(--primary);
    background: rgba(14, 165, 233, .08);
}

.topnav-right {
    font-family: 'Poppins', sans-serif;
    font-size: 12px;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 8px;
}

.avail-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(16, 185, 129, .1);
    border: 1px solid rgba(16, 185, 129, .25);
    color: var(--green);
    padding: 4px 12px;
    border-radius: 40px;
    font-size: 11px;
    font-weight: 600;
}

.avail-badge::before {
    content: '';
    width: 7px;
    height: 7px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse-green 2s ease infinite;
}

/* hamburger */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--text-dim);
    transition: all .3s;
}

/* sidebar overlay for mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 99;
}

.sidebar-overlay.show { display: block; }

/* ── SECTIONS ── */
.content { padding: 56px 56px 80px; }

section { margin-bottom: 80px; }

.sec-title {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
}

.sec-title h2 {
    font-family: 'Raleway', sans-serif;
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -.4px;
}

.sec-line { flex: 1; height: 1px; background: var(--border); }

.sec-icon {
    width: 40px;
    height: 40px;
    background: rgba(14, 165, 233, .1);
    border: 1px solid rgba(14, 165, 233, .2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 16px;
    flex-shrink: 0;
}

/* ── ABOUT ── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.about-text {
    font-family: 'Open Sans', sans-serif;
    font-size: 14px;
    color: var(--text);
    line-height: 1.85;
}

.about-text p+p { margin-top: 16px; }

.highlight { color: var(--primary); font-weight: 600; }

.about-info {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.info-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    font-family: 'Poppins', sans-serif;
}

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

.info-label {
    color: var(--text-dim);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    min-width: 80px;
}

.info-value { color: var(--white); font-weight: 500; }

/* stats */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.stat-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px 20px;
    text-align: center;
    transition: all .25s;
}

.stat-box:hover {
    border-color: rgba(14, 165, 233, .4);
    transform: translateY(-3px);
}

.stat-num {
    font-family: 'Raleway', sans-serif;
    font-size: 36px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 11px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-dim);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
}

/* ── EXPERIENCE ── */
.timeline { position: relative; }

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, var(--primary), var(--border) 90%);
}

.t-item {
    padding-left: 52px;
    padding-bottom: 36px;
    position: relative;
}

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

.t-dot {
    position: absolute;
    left: 8px;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--darker);
    border: 2px solid var(--primary);
    z-index: 1;
    transition: background .2s;
}

.t-item:hover .t-dot { background: var(--primary); }

.t-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color .2s;
}

.t-card:hover { border-color: rgba(14, 165, 233, .3); }

.t-head {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    cursor: pointer;
    gap: 16px;
}

.t-role {
    font-family: 'Raleway', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 3px;
}

.t-company {
    color: var(--primary);
    font-size: 12px;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
}

.t-meta { text-align: right; flex-shrink: 0; }

.t-period {
    font-size: 11px;
    color: var(--text-dim);
    font-family: 'Poppins', sans-serif;
    white-space: nowrap;
}

.t-loc { font-size: 10px; color: var(--text-dim); margin-top: 2px; }

.t-toggle {
    width: 24px;
    height: 24px;
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 14px;
    flex-shrink: 0;
    transition: all .3s;
    margin-top: 2px;
    font-family: monospace;
}

.t-item.open .t-toggle {
    transform: rotate(45deg);
    border-color: var(--primary);
    color: var(--primary);
}

.t-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s cubic-bezier(.23, 1, .32, 1);
}

/* FIX: was 400px — clips long content; 600px is safe */
.t-item.open .t-body { max-height: 600px; }

.t-body ul {
    list-style: none;
    padding: 18px 24px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.t-body li {
    display: flex;
    gap: 12px;
    color: var(--text);
    font-size: 13px;
    line-height: 1.7;
    font-family: 'Open Sans', sans-serif;
}

.t-body li::before {
    content: '▸';
    color: var(--primary);
    flex-shrink: 0;
    font-size: 10px;
    margin-top: 4px;
}

/* ── SKILLS ── */
.skills-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.skill-group-title {
    font-family: 'Raleway', sans-serif;
    font-size: 16px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-group-title i { color: var(--primary); font-size: 14px; }

.skill-item { margin-bottom: 16px; }

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

.skill-name {
    font-family: 'Poppins', sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
}

.skill-pct {
    font-family: 'Poppins', sans-serif;
    font-size: 11px;
    color: var(--primary);
    font-weight: 600;
}

.skill-bar {
    height: 6px;
    background: var(--card2);
    border-radius: 3px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), #6366f1);
    border-radius: 3px;
    width: 0;
    transition: width 1.2s cubic-bezier(.23, 1, .32, 1);
}

.tags-group { display: flex; flex-wrap: wrap; gap: 8px; }

.tag {
    background: var(--card2);
    border: 1px solid var(--border);
    color: var(--text-light);
    font-size: 11px;
    letter-spacing: .04em;
    padding: 5px 14px;
    border-radius: 6px;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    transition: all .2s;
}

.tag:hover {
    border-color: rgba(14, 165, 233, .4);
    color: var(--primary);
    background: rgba(14, 165, 233, .08);
}

/* ── PROJECTS ── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.proj-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all .25s;
    position: relative;
    overflow: hidden;
}

.proj-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), #6366f1);
    transform: scaleX(0);
    transition: transform .3s;
}

.proj-card:hover {
    border-color: rgba(14, 165, 233, .3);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, .4);
}

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

.proj-num {
    font-size: 10px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--text-dim);
    font-family: 'Poppins', sans-serif;
}

.proj-icon {
    width: 40px;
    height: 40px;
    background: rgba(14, 165, 233, .1);
    border: 1px solid rgba(14, 165, 233, .2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 18px;
}

.proj-name {
    font-family: 'Raleway', sans-serif;
    font-size: 16px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.3;
}

.proj-desc {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.8;
    font-family: 'Open Sans', sans-serif;
    flex: 1;
}

.proj-chips { display: flex; flex-wrap: wrap; gap: 6px; }

.chip {
    font-size: 9px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(14, 165, 233, .08);
    border: 1px solid rgba(14, 165, 233, .18);
    padding: 3px 10px;
    border-radius: 4px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
}

.proj-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 11px;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--text-dim);
    text-decoration: none;
    transition: color .2s;
    font-family: 'Poppins', sans-serif;
    margin-top: 4px;
}

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

/* ── EDUCATION ── */
.edu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.edu-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
    position: relative;
    overflow: hidden;
    transition: border-color .2s;
}

.edu-card:hover { border-color: rgba(14, 165, 233, .3); }

.edu-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary), transparent);
}

.edu-icon {
    width: 48px;
    height: 48px;
    background: rgba(14, 165, 233, .1);
    border: 1px solid rgba(14, 165, 233, .2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 20px;
    margin-bottom: 16px;
}

.edu-degree {
    font-family: 'Raleway', sans-serif;
    font-size: 18px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 6px;
    line-height: 1.3;
}

.edu-school {
    color: var(--primary);
    font-size: 12px;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    margin-bottom: 16px;
}

.edu-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

.edu-badge {
    font-size: 11px;
    padding: 4px 14px;
    border-radius: 6px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    letter-spacing: .03em;
}

.edu-badge.blue {
    background: rgba(14, 165, 233, .1);
    border: 1px solid rgba(14, 165, 233, .25);
    color: var(--primary);
}

.edu-badge.gold {
    background: rgba(245, 158, 11, .1);
    border: 1px solid rgba(245, 158, 11, .25);
    color: var(--gold);
}

.edu-stat { text-align: center; padding: 24px; }

.edu-stat-num {
    font-family: 'Raleway', sans-serif;
    font-size: 48px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.edu-stat-label {
    font-size: 11px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-dim);
    font-family: 'Poppins', sans-serif;
}

/* ── CERTS ── */
.cert-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.cert-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 22px 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    text-decoration: none;
    transition: all .25s;
}

.cert-card:hover {
    border-color: rgba(14, 165, 233, .3);
    transform: translateY(-2px);
}

.cert-icon-wrap {
    width: 40px;
    height: 40px;
    background: rgba(14, 165, 233, .1);
    border: 1px solid rgba(14, 165, 233, .2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.cert-platform {
    font-size: 10px;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--primary);
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    margin-bottom: 4px;
}

.cert-name {
    font-family: 'Raleway', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    line-height: 1.4;
    margin-bottom: 6px;
}

.cert-view {
    font-size: 10px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text-dim);
    font-family: 'Poppins', sans-serif;
    transition: color .2s;
}

.cert-card:hover .cert-view { color: var(--primary); }

.cert-thumb {
    width: 72px;
    height: 52px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border);
    margin-left: auto;
    flex-shrink: 0;
    transition: border-color .2s;
}

.cert-card:hover .cert-thumb { border-color: rgba(14, 165, 233, .4); }

/* ── CONTACT ── */
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    align-items: start;
}

.contact-cards { display: flex; flex-direction: column; gap: 14px; }

.contact-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    transition: all .2s;
}

.contact-card:hover {
    border-color: rgba(14, 165, 233, .3);
    transform: translateX(6px);
}

.contact-card-icon {
    width: 40px;
    height: 40px;
    background: rgba(14, 165, 233, .1);
    border: 1px solid rgba(14, 165, 233, .2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 16px;
    flex-shrink: 0;
}

.contact-card-label {
    font-size: 10px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--text-dim);
    font-family: 'Poppins', sans-serif;
    margin-bottom: 2px;
}

.contact-card-val {
    font-size: 13px;
    color: var(--white);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
}

/* form */
.form-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 36px;
    position: relative;
    overflow: hidden;
}

.form-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-group label {
    font-size: 10px;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--text-dim);
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    background: var(--darker);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 11px 16px;
    color: var(--text);
    font-family: 'Open Sans', sans-serif;
    font-size: 13px;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    resize: none;
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, .1);
}

.form-group textarea { min-height: 110px; }

/* honeypot — hidden from users, traps bots */
.hp-field { display: none !important; }

.form-submit {
    width: 100%;
    background: var(--primary);
    color: #fff;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 13px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all .25s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.form-submit:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(14, 165, 233, .35);
}

.form-submit:disabled {
    opacity: .6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.form-status {
    margin-top: 14px;
    padding: 11px 16px;
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
    font-size: 12px;
    text-align: center;
    display: none;
}

.form-status.success {
    background: rgba(16, 185, 129, .1);
    border: 1px solid rgba(16, 185, 129, .3);
    color: var(--green);
    display: block;
}

.form-status.error {
    background: rgba(239, 68, 68, .1);
    border: 1px solid rgba(239, 68, 68, .3);
    color: #f87171;
    display: block;
}

/* ── FOOTER ── */
footer {
    border-top: 1px solid var(--border);
    padding: 28px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    font-family: 'Poppins', sans-serif;
    font-size: 12px;
    color: var(--text-dim);
}

footer strong { color: var(--text-light); }

.footer-links { display: flex; gap: 20px; }

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color .2s;
}

.footer-links a:hover { color: var(--primary); }

/* ── SCROLL REVEAL ── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .7s ease, transform .7s ease;
}

.reveal.vis { opacity: 1; transform: translateY(0); }

/* ── PROGRESS BAR ── */
#progress {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), #6366f1);
    z-index: 9999;
    width: 0%;
    transition: width .1s;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--darker); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
    .about-grid { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: 1fr 1fr; }
    .contact-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; }
    .topnav { padding: 0 24px; }
    .hamburger { display: flex; }
    .topnav-links { display: none; }
    .content { padding: 40px 24px 60px; }
    footer { padding: 24px; flex-direction: column; text-align: center; }
}

@media (max-width: 640px) {
    .projects-grid { grid-template-columns: 1fr; }
    .edu-grid { grid-template-columns: 1fr; }
    .cert-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .skills-wrap { grid-template-columns: 1fr; }
}