/* ==========================================================================
   Mailyn Cordero – Portfolio Redesign
   Inspired by: Veltix – minimalist tech, deep navy + electric blue palette
   ========================================================================== */

/* ── Design Tokens ─────────────────────────────────────────────────────── */
:root {
    /* Backgrounds */
    --bg-deep:       #050919;    /* deepest navy */
    --bg-navy:       #080e22;    /* primary dark bg */
    --bg-section:    #0c1330;    /* slightly lighter navy for alternates */
    --bg-card-dark:  #0f1a3a;    /* dark card surface */
    --bg-card-light: #f0f4ff;    /* light card – contrast sections */
    --bg-light:      #eef2ff;    /* full-light section bg */

    /* Accent */
    --blue-vivid:    #2563eb;
    --blue-bright:   #3b82f6;
    --blue-glow:     rgba(59, 130, 246, 0.18);
    --blue-border:   rgba(59, 130, 246, 0.25);
    --indigo:        #6366f1;
    --violet:        #8b5cf6;
    --ai-purple:     #a855f7;
    --ai-pink:       #ec4899;

    /* Text */
    --text-white:    #ffffff;
    --text-off:      #e2e8f0;
    --text-muted:    #94a3b8;
    --text-faint:    #64748b;
    --text-on-light: #0f172a;   /* dark text for light sections */
    --text-sub-light:#475569;

    /* Fonts */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Shadows (blue-tinted like Veltix) */
    --shadow-card:   0 4px 24px rgba(37, 99, 235, 0.10);
    --shadow-hover:  0 12px 40px rgba(37, 99, 235, 0.22);
    --shadow-glow:   0 0 30px rgba(59, 130, 246, 0.20);
    --shadow-sm:     0 2px 8px rgba(5, 9, 25, 0.40);

    /* Geometry */
    --radius-pill: 999px;
    --radius-lg:   20px;
    --radius-md:   14px;
    --radius-sm:   8px;
    --nav-height:  72px;

    /* Motion */
    --ease:  cubic-bezier(0.4, 0, 0.2, 1);
    --fast:  0.18s;
    --mid:   0.3s;
    --slow:  0.5s;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-navy);
    color: var(--text-off);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--blue-vivid); border-radius: 3px; }

/* ── Container ──────────────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ── Sections ───────────────────────────────────────────────────────────── */
section { padding: 7rem 0; }

/* alternating light-section treatment */
.about-section,
.projects-section,
.contact-section {
    background-color: var(--bg-light);
    color: var(--text-on-light);
}

.skills-section,
.ia-section {
    background-color: var(--bg-section);
}

.timeline-section {
    background-color: var(--bg-navy);
}

/* ── Typography base ────────────────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6 {
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
}
a { color: inherit; text-decoration: none; transition: var(--fast) var(--ease); }
img { max-width: 100%; height: auto; }
strong { font-weight: 600; }

.text-success { color: #10b981 !important; }

/* ── Section headers ────────────────────────────────────────────────────── */
.section-header { margin-bottom: 4rem; }

.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    color: var(--text-white);
    font-weight: 800;
}

/* light sections invert title */
.about-section .section-title,
.projects-section .section-title,
.contact-section .section-title {
    color: var(--text-on-light);
}

.section-divider {
    width: 48px;
    height: 4px;
    background: var(--blue-bright);
    border-radius: var(--radius-pill);
    margin-top: 0.8rem;
}

.section-subtitle {
    margin-top: 1rem;
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 560px;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.8rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-pill);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--mid) var(--ease);
    white-space: nowrap;
}

.btn-primary {
    background: var(--blue-bright);
    color: #fff;
    border-color: var(--blue-bright);
    box-shadow: 0 4px 18px rgba(59,130,246,0.35);
}
.btn-primary:hover {
    background: var(--blue-vivid);
    border-color: var(--blue-vivid);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(59,130,246,0.40);
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    border-color: rgba(255,255,255,0.22);
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.btn-icon-only {
    width: 46px; height: 46px; padding: 0;
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.04);
    border: 2px solid rgba(255,255,255,0.12);
    color: var(--text-muted);
}
.btn-icon-only:hover {
    background: var(--blue-glow);
    border-color: var(--blue-bright);
    color: var(--blue-bright);
    transform: translateY(-2px);
}

.btn-block { width: 100%; }

/* ── Navigation ─────────────────────────────────────────────────────────── */
.header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(5, 9, 25, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(59,130,246,0.10);
    z-index: 1000;
    transition: all var(--mid) var(--ease);
}
.header.scrolled {
    background: rgba(5, 9, 25, 0.97);
    box-shadow: 0 4px 24px rgba(5,9,25,0.50);
}

.navbar-container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-white);
}
.logo-accent { color: var(--blue-bright); }

.nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 1.8rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 0.4rem 0;
    transition: color var(--fast) var(--ease);
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 0; height: 2px;
    background: var(--blue-bright);
    border-radius: var(--radius-pill);
    transition: width var(--mid) var(--ease);
}
.nav-link:hover,
.nav-link.active { color: var(--text-white); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

/* Contact nav button */
.nav-btn {
    background: var(--blue-bright);
    color: #fff !important;
    padding: 0.45rem 1.2rem;
    border-radius: var(--radius-pill);
}
.nav-btn::after { display: none; }
.nav-btn:hover {
    background: var(--blue-vivid);
    transform: translateY(-1px);
}

/* Hamburger */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px; height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1010;
}
.hamburger-menu .bar {
    width: 100%; height: 2px;
    background: var(--text-white);
    border-radius: 2px;
    transition: all var(--mid) var(--ease);
}

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero-section {
    min-height: 100vh;
    margin-top: var(--nav-height);
    display: flex;
    align-items: center;
    position: relative;
    padding: 5rem 0 4rem;
    background: var(--bg-deep);
    overflow: hidden;
}

/* Veltix-style background grid dots */
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(59,130,246,0.15) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
    opacity: 0.5;
}

.hero-bg-glow {
    position: absolute;
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 70%;
    background: radial-gradient(ellipse,
        rgba(37,99,235,0.18) 0%,
        rgba(99,102,241,0.06) 50%,
        transparent 75%);
    filter: blur(60px);
    pointer-events: none;
    z-index: 0;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* "Available" badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(16,185,129,0.10);
    color: #10b981;
    border: 1px solid rgba(16,185,129,0.25);
    padding: 0.35rem 1rem;
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 1.8rem;
}
.badge::before {
    content: '';
    width: 7px; height: 7px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 8px #10b981;
}

.hero-title {
    font-size: clamp(2.4rem, 5vw, 4.2rem);
    line-height: 1.1;
    margin-bottom: 1rem;
    color: var(--text-white);
    font-weight: 800;
}

.name-gradient {
    background: linear-gradient(100deg, var(--blue-bright) 20%, #93c5fd 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--blue-bright);
    margin-bottom: 1.6rem;
    min-height: 2rem;
}

.typed-cursor { animation: blink 0.8s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
    max-width: 520px;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

/* ── Terminal widget ─────────────────────────────────────────────────────── */
.hero-terminal-wrapper {
    position: relative;
}
.hero-terminal-wrapper::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--blue-bright), var(--indigo), var(--violet));
    border-radius: calc(var(--radius-md) + 2px);
    z-index: -1;
    opacity: 0.5;
    filter: blur(1px);
}

.terminal-container {
    background: #080e22;
    border: 1px solid rgba(59,130,246,0.18);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    font-family: var(--font-mono);
    font-size: 0.88rem;
    display: flex;
    flex-direction: column;
    height: 390px;
}

.terminal-header {
    background: #050c1e;
    padding: 0.8rem 1.2rem;
    border-bottom: 1px solid rgba(59,130,246,0.10);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.terminal-buttons { display: flex; gap: 0.5rem; }
.btn-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    display: inline-block;
}
.btn-dot.close    { background: #ef4444; }
.btn-dot.minimize { background: #f97316; }
.btn-dot.maximize { background: #10b981; }

.terminal-title  { color: var(--text-faint); font-size: 0.78rem; }
.terminal-status { color: var(--text-faint); font-size: 0.73rem; display:flex; align-items:center; gap:0.3rem; }

.terminal-body {
    padding: 1.2rem;
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    line-height: 1.5;
}
.terminal-line   { display: flex; align-items: flex-start; gap: 0.5rem; }
.terminal-prompt { color: var(--blue-bright); white-space: nowrap; user-select: none; }
.terminal-cmd    { color: var(--text-white); }
.terminal-output { padding-left: 1.5rem; color: var(--text-muted); white-space: pre-wrap; word-break: break-all; }
.json-key { color: #38bdf8; }
.json-val { color: #fb923c; }
.help-output { display: flex; flex-direction: column; gap: 0.3rem; }

.term-btn-link {
    background: transparent;
    border: none;
    color: #38bdf8;
    font-family: var(--font-mono);
    text-align: left;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
    display: inline-block;
}
.term-btn-link:hover { color: #10b981; }

.terminal-input {
    background: transparent;
    border: none;
    outline: none;
    color: #10b981;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    flex-grow: 1;
}

/* ── About section (LIGHT) ──────────────────────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: flex-start;
}

.about-highlight-title {
    font-size: 1.55rem;
    line-height: 1.4;
    margin-bottom: 1.5rem;
    color: var(--blue-vivid);
    font-weight: 700;
}

.about-text p {
    color: var(--text-sub-light);
    margin-bottom: 1.2rem;
    font-size: 1.02rem;
    line-height: 1.78;
}
.about-text strong { color: var(--text-on-light); font-weight: 700; }

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

.info-card {
    background: #fff;
    border: 1px solid rgba(37,99,235,0.10);
    padding: 1.4rem 1.6rem;
    border-radius: var(--radius-md);
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
    box-shadow: var(--shadow-card);
    transition: all var(--mid) var(--ease);
}
.info-card:hover {
    transform: translateX(5px);
    border-color: rgba(37,99,235,0.25);
    box-shadow: var(--shadow-hover);
}
.info-card-icon {
    font-size: 1.3rem;
    color: var(--blue-bright);
    background: #eef2ff;
    width: 46px; height: 46px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.info-card-content h4 { font-size: 0.9rem; margin-bottom: 0.25rem; color: var(--text-on-light); font-weight: 700; }
.info-card-content p  { font-size: 0.9rem; color: var(--text-sub-light); }

/* ── Skills section (DARK) ──────────────────────────────────────────────── */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.8rem;
    margin-bottom: 3rem;
}

.skill-category-card {
    background: var(--bg-card-dark);
    border: 1px solid rgba(59,130,246,0.10);
    border-radius: var(--radius-md);
    padding: 2rem;
    transition: all var(--mid) var(--ease);
}
.skill-category-card:hover {
    transform: translateY(-5px);
    border-color: rgba(59,130,246,0.30);
    box-shadow: var(--shadow-hover);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 2rem;
}
.category-icon { font-size: 1.4rem; color: var(--blue-bright); }
.category-header h3 { font-size: 1.1rem; color: var(--text-white); font-weight: 700; }

.skill-list { list-style: none; display: flex; flex-direction: column; gap: 1.4rem; }

.skill-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.skill-info span:first-child { color: var(--text-off); }
.skill-info span:last-child  { color: var(--text-faint); font-size: 0.82rem; }

.progress-bar {
    width: 100%;
    height: 5px;
    background: rgba(255,255,255,0.06);
    border-radius: var(--radius-pill);
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--blue-vivid) 0%, var(--blue-bright) 100%);
    border-radius: var(--radius-pill);
    transition: width 1.2s var(--ease);
}

/* Quick skill tags */
.quick-skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    justify-content: center;
    padding: 2rem;
    border-radius: var(--radius-md);
    background: var(--bg-card-dark);
    border: 1px dashed rgba(59,130,246,0.15);
}

.skill-tag {
    background: rgba(59,130,246,0.06);
    border: 1px solid rgba(59,130,246,0.18);
    padding: 0.45rem 1.1rem;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: all var(--fast) var(--ease);
    cursor: default;
}
.skill-tag:hover {
    background: rgba(59,130,246,0.15);
    border-color: var(--blue-bright);
    color: var(--text-white);
    transform: scale(1.05);
}

/* AI skill tags */
.ai-tag {
    background: rgba(168,85,247,0.08) !important;
    border-color: rgba(168,85,247,0.25) !important;
    color: #c084fc !important;
}
.ai-tag:hover {
    background: rgba(168,85,247,0.18) !important;
    border-color: var(--ai-purple) !important;
    color: #e9d5ff !important;
}

/* AI skill card */
.ai-card {
    border-color: rgba(168,85,247,0.18);
    background: linear-gradient(145deg, var(--bg-card-dark) 60%, rgba(88,28,135,0.12) 100%);
}
.ai-card:hover { border-color: rgba(168,85,247,0.45) !important; box-shadow: 0 12px 40px rgba(168,85,247,0.18) !important; }
.ai-icon       { color: var(--ai-purple) !important; }
.ai-fill       { background: linear-gradient(90deg, var(--ai-purple) 0%, var(--ai-pink) 100%) !important; }

/* ── Projects section (LIGHT) ───────────────────────────────────────────── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.project-card {
    background: #fff;
    border: 1px solid rgba(37,99,235,0.08);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
    transition: all var(--mid) var(--ease);
}
.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(37,99,235,0.20);
    box-shadow: var(--shadow-hover);
}

.project-image-placeholder {
    height: 190px;
    background: linear-gradient(135deg, rgba(37,99,235,0.12) 0%, rgba(99,102,241,0.06) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-bottom: 1px solid rgba(37,99,235,0.08);
}
.project-image-placeholder.second {
    background: linear-gradient(135deg, rgba(6,182,212,0.12) 0%, rgba(37,99,235,0.04) 100%);
}

.project-icon-wrapper {
    width: 68px; height: 68px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid rgba(37,99,235,0.14);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--blue-vivid);
    box-shadow: var(--shadow-card);
    transition: all var(--mid) var(--ease);
}
.project-card:hover .project-icon-wrapper {
    transform: scale(1.1);
    box-shadow: var(--shadow-hover);
    color: var(--indigo);
}

.project-badge {
    position: absolute;
    top: 1rem; right: 1rem;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(37,99,235,0.12);
    padding: 0.25rem 0.7rem;
    font-size: 0.72rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    color: var(--blue-vivid);
    font-weight: 600;
}

.project-content { padding: 2rem; display: flex; flex-direction: column; flex-grow: 1; }
.project-title   { font-size: 1.25rem; margin-bottom: 0.8rem; color: var(--text-on-light); font-weight: 700; }
.project-desc    { color: var(--text-sub-light); font-size: 0.95rem; margin-bottom: 1.5rem; flex-grow: 1; line-height: 1.7; }

.project-tech-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.5rem; }
.tech-tag {
    background: #eef2ff;
    border: 1px solid rgba(37,99,235,0.14);
    color: var(--blue-vivid);
    font-family: var(--font-mono);
    font-size: 0.73rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
}

.project-links { margin-top: auto; }
.project-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--blue-bright);
    font-size: 0.9rem;
    font-weight: 600;
}
.project-link-btn:hover { color: var(--blue-vivid); text-decoration: underline; }
.project-link-btn-disabled {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-faint);
    font-size: 0.9rem;
    cursor: default;
}

/* ── IA & Tech section (DARK) ───────────────────────────────────────────── */
.ia-section {
    position: relative;
    overflow: hidden;
}
.ia-section::before {
    content: '';
    position: absolute;
    top: -100px; left: 50%;
    transform: translateX(-50%);
    width: 700px; height: 500px;
    background: radial-gradient(ellipse, rgba(168,85,247,0.08) 0%, transparent 70%);
    pointer-events: none; z-index: 0;
}
.ia-section .container { position: relative; z-index: 1; }

.ai-title-icon {
    display: inline-flex;
    background: linear-gradient(135deg, var(--ai-purple), var(--ai-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-right: 0.3rem;
}
.ai-divider { background: linear-gradient(90deg, var(--ai-purple), var(--ai-pink)) !important; }

/* IA Cards Grid */
.ia-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
}
.ia-feature-card.wide-card { grid-column: 1 / -1; }

.ia-feature-card {
    background: var(--bg-card-dark);
    border: 1px solid rgba(59,130,246,0.10);
    border-radius: var(--radius-md);
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: all var(--mid) var(--ease);
}
.ia-feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(168,85,247,0.30);
    box-shadow: 0 20px 40px rgba(168,85,247,0.15);
}

.ia-card-glow {
    position: absolute;
    top: -40px; right: -40px;
    width: 120px; height: 120px;
    border-radius: 50%;
    filter: blur(50px);
    background: rgba(168,85,247,0.22);
    pointer-events: none;
    transition: all var(--slow) var(--ease);
}
.ia-feature-card:hover .ia-card-glow { transform: scale(1.3); }
.ia-card-glow.second { background: rgba(6,182,212,0.18); }
.ia-card-glow.third  { background: rgba(16,185,129,0.18); }
.ia-card-glow.fourth { background: rgba(245,158,11,0.14); }

.ia-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.4rem;
}

.ia-icon-wrap {
    width: 50px; height: 50px;
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(168,85,247,0.14), rgba(236,72,153,0.07));
    border: 1px solid rgba(168,85,247,0.22);
    color: var(--ai-purple);
    flex-shrink: 0;
}
.ia-icon-wrap.second { background: linear-gradient(135deg, rgba(6,182,212,0.12), rgba(59,130,246,0.05)); border-color: rgba(6,182,212,0.22); color: #06b6d4; }
.ia-icon-wrap.third  { background: linear-gradient(135deg, rgba(16,185,129,0.12), rgba(6,182,212,0.05)); border-color: rgba(16,185,129,0.22); color: #10b981; }
.ia-icon-wrap.fourth { background: linear-gradient(135deg, rgba(245,158,11,0.12), rgba(249,115,22,0.05)); border-color: rgba(245,158,11,0.22); color: #f59e0b; }

.ia-badge {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    padding: 0.28rem 0.8rem;
    background: rgba(168,85,247,0.08);
    border: 1px solid rgba(168,85,247,0.20);
    border-radius: var(--radius-pill);
    color: #c084fc;
    font-weight: 600;
}

.ia-feature-card h3 { font-size: 1.15rem; margin-bottom: 0.85rem; color: var(--text-white); font-weight: 700; }
.ia-feature-card p  { color: var(--text-muted); font-size: 0.93rem; line-height: 1.72; margin-bottom: 1.5rem; }
.ia-feature-card strong { color: var(--text-off); }

.ia-tool-chips { display: flex; flex-wrap: wrap; gap: 0.45rem; }

.ia-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--text-faint);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    padding: 0.25rem 0.7rem;
    border-radius: 4px;
    transition: all var(--fast) var(--ease);
}
.ia-chip:hover {
    background: rgba(168,85,247,0.10);
    border-color: rgba(168,85,247,0.30);
    color: #c084fc;
}

/* ── Timeline / Experience (DARK) ───────────────────────────────────────── */
.timeline-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}
.timeline-header { margin-bottom: 2.5rem; }

.timeline {
    position: relative;
    border-left: 2px solid rgba(59,130,246,0.14);
    padding-left: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2.8rem;
}
.timeline-item { position: relative; }

.timeline-dot {
    position: absolute;
    left: calc(-2rem - 6px);
    top: 6px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--bg-navy);
    border: 2px solid var(--blue-bright);
    box-shadow: 0 0 0 4px var(--bg-navy);
    transition: all var(--fast) var(--ease);
}
.timeline-item:hover .timeline-dot {
    background: var(--blue-bright);
    box-shadow: 0 0 12px var(--blue-bright), 0 0 0 4px var(--bg-navy);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--blue-bright);
    font-weight: 600;
    margin-bottom: 0.4rem;
    display: block;
}
.timeline-title    { font-size: 1.15rem; color: var(--text-white); margin-bottom: 0.15rem; font-weight: 700; }
.timeline-subtitle { font-size: 0.9rem; color: var(--text-faint); font-weight: 400; margin-bottom: 0.9rem; }
.timeline-text     { font-size: 0.93rem; color: var(--text-muted); line-height: 1.7; }

.cert-list { display: flex; flex-direction: column; gap: 0.55rem; margin-top: 0.9rem; }
.cert-item {
    display: flex; align-items: center; gap: 0.55rem;
    font-size: 0.92rem; color: var(--text-muted);
}
.cert-item i { color: #10b981; font-size: 0.85rem; }

/* ── Contact section (LIGHT) ────────────────────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
    align-items: start;
}
.contact-info h3 {
    font-size: 1.55rem;
    margin-bottom: 1rem;
    color: var(--text-on-light);
    font-weight: 800;
}
.contact-intro-text { color: var(--text-sub-light); margin-bottom: 2.2rem; line-height: 1.75; }
.contact-card-list  { display: flex; flex-direction: column; gap: 1.2rem; }

.contact-card {
    background: #fff;
    border: 1px solid rgba(37,99,235,0.10);
    border-radius: var(--radius-md);
    padding: 1.2rem 1.6rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    position: relative;
    box-shadow: var(--shadow-card);
    transition: all var(--mid) var(--ease);
}
.link-card:hover {
    transform: translateY(-3px);
    border-color: rgba(37,99,235,0.25);
    box-shadow: var(--shadow-hover);
}
.contact-card-icon    { font-size: 1.4rem; color: var(--blue-vivid); }
.contact-card-details { display: flex; flex-direction: column; flex-grow: 1; }
.contact-card-details span   { font-size: 0.82rem; color: var(--text-faint); }
.contact-card-details strong { font-size: 1rem; color: var(--text-on-light); font-weight: 700; }
.card-arrow { color: var(--text-faint); font-size: 0.9rem; }
.link-card:hover .card-arrow { color: var(--blue-vivid); transform: translate(2px,-2px); }

.copy-btn {
    background: transparent;
    border: none;
    color: var(--text-faint);
    font-size: 1.05rem;
    cursor: pointer;
    padding: 0.4rem;
    border-radius: 4px;
    transition: all var(--fast) var(--ease);
}
.copy-btn:hover { color: var(--blue-vivid); background: rgba(37,99,235,0.06); }

.copy-tooltip {
    position: absolute;
    right: 20px; bottom: -35px;
    background: #10b981;
    color: #fff;
    padding: 0.28rem 0.75rem;
    font-size: 0.73rem;
    border-radius: 4px;
    opacity: 0; visibility: hidden;
    transition: all var(--fast) var(--ease);
    z-index: 10;
    pointer-events: none;
}
.copy-tooltip.show { opacity: 1; visibility: visible; bottom: -28px; }

/* Contact form */
.contact-form-container {
    background: #fff;
    border: 1px solid rgba(37,99,235,0.10);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-card);
}
.contact-form { display: flex; flex-direction: column; gap: 1.4rem; }
.form-group   { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--text-sub-light); }

.form-group input,
.form-group textarea {
    background: #f8faff;
    border: 1.5px solid rgba(37,99,235,0.12);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-on-light);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: all var(--fast) var(--ease);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue-bright);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(59,130,246,0.10);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #94a3b8; }

/* form submit – needs to stay dark on light bg */
.contact-form-container .btn-primary {
    background: var(--blue-vivid);
    border-color: var(--blue-vivid);
}

.form-status { font-size: 0.88rem; margin-top: 0.3rem; min-height: 1.2rem; }
.form-status.success { color: #10b981; }
.form-status.error   { color: #ef4444; }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer {
    background: var(--bg-deep);
    border-top: 1px solid rgba(59,130,246,0.08);
    padding: 4rem 0 2.5rem;
    text-align: center;
}
.footer-container { display: flex; flex-direction: column; align-items: center; gap: 2rem; }
.footer-brand p   { font-size: 0.9rem; color: var(--text-faint); margin-top: 0.3rem; }

.footer-socials { display: flex; gap: 1.2rem; }
.footer-socials a {
    width: 42px; height: 42px;
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    color: var(--text-muted);
    transition: all var(--mid) var(--ease);
}
.footer-socials a:hover {
    color: var(--blue-bright);
    border-color: var(--blue-bright);
    background: var(--blue-glow);
    transform: translateY(-3px);
}

.footer-copy {
    display: flex; flex-direction: column; gap: 0.4rem;
    border-top: 1px solid rgba(255,255,255,0.04);
    padding-top: 2rem; width: 100%;
}
.footer-copy p    { font-size: 0.83rem; color: var(--text-faint); }
.footer-meta      { font-style: italic; font-size: 0.78rem !important; }

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE SYSTEM – All breakpoints
   ── 1440px+ : Large / widescreen desktop
   ── 1200px  : Standard desktop (max-width container clamp)
   ── 1024px  : Tablet landscape / small laptop
   ──  900px  : Tablet portrait (iPad)
   ──  640px  : Large mobile / small tablet
   ──  480px  : Standard phone portrait
   ──  360px  : Small / compact phones
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Large widescreen: stretch content a little ─────────────────────────── */
@media (min-width: 1440px) {
    .container { max-width: 1320px; }
    .hero-title { font-size: 4.8rem; }
    .hero-desc  { font-size: 1.15rem; max-width: 620px; }
    .ia-cards-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── Tablet landscape / small laptop (≤1024px) ──────────────────────────── */
@media (max-width: 1024px) {
    /* Hero – stack vertically, centre everything */
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    .hero-avatar-wrap  { margin: 0 auto 1.8rem; }
    .badge             { margin: 0 auto 1.4rem; }
    .hero-desc         { margin: 0 auto 2.2rem; }
    .hero-actions      { justify-content: center; }
    .hero-terminal-wrapper { max-width: 580px; margin: 0 auto; width: 100%; }

    /* About */
    .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }

    /* IA cards: 2 columns */
    .ia-cards-grid { grid-template-columns: repeat(2, 1fr); }
    .ia-feature-card.wide-card { grid-column: 1 / -1; }

    /* Timeline: stack columns */
    .timeline-grid { grid-template-columns: 1fr; gap: 3rem; }

    /* Contact: stack */
    .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ── iPad / tablet portrait (≤900px) ────────────────────────────────────── */
@media (max-width: 900px) {
    :root { --nav-height: 68px; }

    section { padding: 6rem 0; }
    .container { padding: 0 1.8rem; }

    .hero-section { padding: 4rem 0; }
    .hero-title   { font-size: 3rem; }
    .hero-subtitle { font-size: 1.2rem; }

    /* Skills: 2 columns for tablets */
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Projects: 2 columns on tablet */
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* About avatar block compact */
    .about-avatar-block { gap: 1.5rem; padding: 1.8rem 2rem; }
    .about-avatar-img   { width: 110px; height: 110px; }

    /* Footer */
    .footer-container { gap: 1.8rem; }
}

/* ── Mobile / large phone (≤768px) ──────────────────────────────────────── */
@media (max-width: 768px) {
    :root { --nav-height: 64px; }

    section { padding: 5rem 0; }
    .container { padding: 0 1.4rem; }

    .hero-title    { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.1rem; min-height: 1.8rem; }
    .hero-desc     { font-size: 1rem; }

    /* ── Mobile Nav ──────────────────────────────────────────────────────── */
    .hamburger-menu { display: flex; }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: -100%;
        width: 100%;
        height: calc(100dvh - var(--nav-height)); /* dvh for mobile browsers */
        background: var(--bg-deep);
        border-top: 1px solid rgba(59, 130, 246, 0.12);
        padding: 2.5rem 1.8rem;
        transition: left var(--mid) var(--ease);
        z-index: 999;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    .nav-menu.open { left: 0; }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
    }
    .nav-list li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .nav-list li:first-child { border-top: 1px solid rgba(255, 255, 255, 0.05); }

    .nav-link {
        font-size: 1.1rem;
        font-weight: 600;
        width: 100%;
        display: block;
        padding: 1.1rem 0.5rem;
    }
    .nav-link::after { display: none; }

    .nav-btn {
        display: block;
        text-align: center;
        background: var(--blue-bright);
        color: #fff !important;
        border: none;
        padding: 1rem 0;
        border-radius: var(--radius-pill);
        margin-top: 1.5rem;
        width: 100%;
    }
    .nav-btn:hover { background: var(--blue-vivid); }

    /* Hamburger → X animation */
    .hamburger-menu.open .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger-menu.open .bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
    .hamburger-menu.open .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    /* Skills: 1 column on mobile */
    .skills-grid   { grid-template-columns: 1fr; }

    /* Projects: 1 column */
    .projects-grid { grid-template-columns: 1fr; }

    /* Section titles smaller */
    .section-title { font-size: 1.9rem; }
    .section-header { margin-bottom: 3rem; }

    /* About avatar block: horizontal still on 768, slightly smaller */
    .about-avatar-img  { width: 100px; height: 100px; }
    .about-avatar-name { font-size: 1.35rem; }

    /* Contact form */
    .contact-form-container { padding: 1.8rem 1.5rem; }

    /* Quick skill tags: smaller padding */
    .quick-skills-tags { padding: 1.5rem; gap: 0.55rem; }
    .skill-tag { font-size: 0.8rem; padding: 0.4rem 0.9rem; }

    /* IA cards: 1 column on mobile */
    .ia-cards-grid { grid-template-columns: 1fr; }
    .ia-feature-card.wide-card { grid-column: auto; }
    .ia-feature-card { padding: 1.8rem; }

    /* Timeline adjust */
    .timeline { padding-left: 1.5rem; }
    .timeline-dot { left: calc(-1.5rem - 6px); }

    /* Footer */
    .footer { padding: 3.5rem 0 2rem; }
}

/* ── Standard phone (≤640px) ────────────────────────────────────────────── */
@media (max-width: 640px) {
    .container { padding: 0 1.2rem; }

    section { padding: 4.5rem 0; }

    .hero-title    { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1rem; }
    .hero-section  { padding: 3rem 0 4rem; }

    /* Hero avatar smaller */
    .hero-avatar-wrap { width: 88px; height: 88px; }
    .hero-avatar      { width: 88px; height: 88px; }

    /* About avatar: stack vertically */
    .about-avatar-block {
        flex-direction: column;
        text-align: center;
        padding: 1.8rem 1.4rem;
        gap: 1.2rem;
    }
    .about-avatar-img  { width: 120px; height: 120px; }
    .about-avatar-name { font-size: 1.5rem; }

    /* Terminal */
    .terminal-container { height: 360px; font-size: 0.82rem; }
    .terminal-output    { word-break: break-word; }

    /* Projects cards: full bleed image section */
    .project-image-placeholder { height: 160px; }
    .project-content { padding: 1.6rem; }
    .project-title { font-size: 1.15rem; }

    /* Contact cards */
    .contact-card { gap: 1rem; padding: 1.1rem 1.4rem; }
    .contact-card-details strong { font-size: 0.92rem; }

    /* Skill cards */
    .skill-category-card { padding: 1.6rem; }
    .category-header { margin-bottom: 1.5rem; }

    /* Info cards in about */
    .about-info-cards { gap: 1rem; }
    .info-card { padding: 1.2rem 1.4rem; }

    /* Certifications */
    .cert-item { font-size: 0.88rem; }

    /* IA chips */
    .ia-tool-chips { gap: 0.4rem; }
    .ia-chip { font-size: 0.72rem; }
}

/* ── Small phone (≤480px) ───────────────────────────────────────────────── */
@media (max-width: 480px) {
    :root { --nav-height: 60px; }

    .container { padding: 0 1rem; }
    section { padding: 4rem 0; }

    .hero-title    { font-size: 2rem; letter-spacing: -0.04em; }
    .hero-subtitle { font-size: 0.95rem; }
    .hero-desc     { font-size: 0.95rem; }

    /* Buttons stack */
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }
    .hero-actions .btn { width: 100%; justify-content: center; font-size: 0.9rem; }
    .hero-actions .btn-icon-only { display: none; }

    /* Terminal */
    .terminal-container { height: 320px; font-size: 0.78rem; }
    .terminal-body { padding: 1rem; gap: 0.6rem; }

    /* Section title */
    .section-title { font-size: 1.7rem; }

    /* Logo font size */
    .logo { font-size: 1.05rem; }

    /* Skill progress labels smaller */
    .skill-info { font-size: 0.85rem; }
    .skill-info span:last-child { font-size: 0.76rem; }

    /* Timeline text */
    .timeline-title    { font-size: 1.05rem; }
    .timeline-subtitle { font-size: 0.85rem; }
    .timeline-text     { font-size: 0.88rem; }
    .timeline-date     { font-size: 0.78rem; }

    /* Contact form */
    .contact-form-container { padding: 1.4rem 1.2rem; }
    .form-group input,
    .form-group textarea { padding: 0.7rem 0.9rem; font-size: 0.9rem; }
    .contact-info h3 { font-size: 1.35rem; }

    /* Project tech tags */
    .tech-tag { font-size: 0.68rem; }

    /* Footer */
    .footer-socials a { width: 38px; height: 38px; font-size: 1rem; }
    .footer { padding: 3rem 0 1.8rem; }

    /* About avatar block */
    .about-avatar-img  { width: 100px; height: 100px; }
    .about-avatar-name { font-size: 1.3rem; }
    .about-avatar-role { font-size: 0.9rem; }

    /* Hero avatar */
    .hero-avatar-wrap { width: 80px; height: 80px; }
    .hero-avatar      { width: 80px; height: 80px; }

    /* IA badges */
    .ia-badge { font-size: 0.68rem; padding: 0.22rem 0.6rem; }
    .ia-feature-card { padding: 1.5rem; }
    .ia-feature-card h3 { font-size: 1.05rem; }
}

/* ── Very small phones (≤360px) ─────────────────────────────────────────── */
@media (max-width: 360px) {
    .container { padding: 0 0.9rem; }

    .hero-title { font-size: 1.75rem; }
    .hero-subtitle { font-size: 0.88rem; }

    .logo { font-size: 0.95rem; }

    .nav-link { font-size: 1rem; padding: 1rem 0.5rem; }

    .section-title { font-size: 1.55rem; }

    .terminal-container { height: 290px; }

    .skill-category-card { padding: 1.3rem; }

    .btn { padding: 0.7rem 1.4rem; font-size: 0.88rem; }

    .project-content { padding: 1.3rem; }
    .project-title   { font-size: 1rem; }

    .about-avatar-img  { width: 90px; height: 90px; }

    .timeline { gap: 2rem; }
}

/* ── Touch / hover utilities ────────────────────────────────────────────── */
/* Disable hover transforms on touch to avoid sticky states */
@media (hover: none) and (pointer: coarse) {
    .btn:hover,
    .info-card:hover,
    .skill-category-card:hover,
    .project-card:hover,
    .ia-feature-card:hover,
    .contact-card:hover,
    .footer-socials a:hover { transform: none; }
}

/* ── Safe-area insets (iPhone notch, Dynamic Island) ────────────────────── */
@supports (padding: max(0px)) {
    .header {
        padding-left:  max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
    }
    .footer {
        padding-bottom: max(2rem, calc(1.8rem + env(safe-area-inset-bottom)));
    }
    .nav-menu {
        padding-left:  max(1.8rem, calc(1.8rem + env(safe-area-inset-left)));
        padding-right: max(1.8rem, calc(1.8rem + env(safe-area-inset-right)));
    }
}


/* ==========================================================================
   Avatar Styles
   ========================================================================== */

/* ── Hero Avatar ─────────────────────────────────────────────────────────── */
.hero-avatar-wrap {
    position: relative;
    width: 100px;
    height: 100px;
    margin-bottom: 1.8rem;
}

/* On desktop (left-aligned hero text), avatar is left-aligned too */
.hero-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 3px solid rgba(59, 130, 246, 0.5);
    box-shadow: 0 0 0 6px rgba(59, 130, 246, 0.08),
                0 8px 32px rgba(37, 99, 235, 0.30);
    display: block;
    transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.hero-avatar:hover {
    transform: scale(1.06);
    box-shadow: 0 0 0 8px rgba(59, 130, 246, 0.12),
                0 12px 40px rgba(37, 99, 235, 0.40);
}

/* Animated spinning ring */
.hero-avatar-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        var(--blue-bright) 0deg,
        var(--indigo)      120deg,
        transparent        120deg,
        transparent        180deg,
        var(--blue-bright) 180deg,
        var(--indigo)      300deg,
        transparent        300deg
    );
    animation: ring-spin 4s linear infinite;
    z-index: -1;
    opacity: 0.6;
    filter: blur(1px);
}
@keyframes ring-spin {
    to { transform: rotate(360deg); }
}

/* center avatar in mobile hero */
@media (max-width: 1024px) {
    .hero-avatar-wrap { margin-left: auto; margin-right: auto; }
}

/* ── About Section Avatar Block ─────────────────────────────────────────── */
.about-avatar-block {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3.5rem;
    padding: 2rem 2.5rem;
    background: #fff;
    border: 1px solid rgba(37, 99, 235, 0.10);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.about-avatar-frame {
    position: relative;
    flex-shrink: 0;
}

.about-avatar-img {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 4px solid #fff;
    box-shadow: 0 0 0 3px var(--blue-bright),
                0 10px 30px rgba(37, 99, 235, 0.20);
    display: block;
    transition: transform 0.4s var(--ease);
}
.about-avatar-img:hover { transform: scale(1.05); }

.about-avatar-badge {
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--blue-vivid);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.22rem 0.75rem;
    border-radius: var(--radius-pill);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.about-avatar-name {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-on-light);
    margin-bottom: 0.4rem;
    letter-spacing: -0.03em;
}

.about-avatar-role {
    font-size: 1rem;
    color: var(--text-sub-light);
    line-height: 1.6;
}

@media (max-width: 640px) {
    .about-avatar-block {
        flex-direction: column;
        text-align: center;
        padding: 1.8rem 1.5rem;
        gap: 1.2rem;
    }
    .about-avatar-img { width: 110px; height: 110px; }
}