/* ============================================================
   Elisey Yordanov - Personal Portfolio
   styles.css - Main Stylesheet
   ============================================================ */

/* ── Google Fonts import handled in HTML ── */

/* ─────────────────────────────────────────
   1. CSS Variables
───────────────────────────────────────── */
:root {
    /* Brand / Accent Colours */
    --clr-primary:       #0ea5a4;  /* teal-500    */
    --clr-primary-dark:  #0f766e;  /* teal-700    */
    --clr-primary-light: #2dd4bf;  /* teal-400    */
    --clr-indigo:        #0284c7;
    --clr-pink:          #ec4899;
    --clr-cyan:          #06b6d4;
    --clr-amber:         #f59e0b;
    --clr-green:         #10b981;

    /* Gradients */
    --grad-hero:    linear-gradient(135deg, #0a1724 0%, #0b2230 50%, #0b1220 100%);
    --grad-primary: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-indigo));
    /* Light theme - rich, saturated so text is readable on white */
    --grad-text:    linear-gradient(135deg, #0f766e, #0ea5a4, #0369a1);

    /* Light Theme */
    --bg:             #fafaf9;
    --bg-secondary:   #f0f9ff;
    --bg-card:        #ffffff;
    --bg-nav:         rgba(250, 250, 249, 0.85);
    --text:           #0f172a;
    --text-secondary: #475569;
    --text-muted:     #64748b;
    --border:         #dbeafe;
    --border-hover:   #7dd3fc;

    /* Shadows */
    --shadow-sm:  0 1px 4px rgba(14,165,164,0.08);
    --shadow-md:  0 4px 20px rgba(14,165,164,0.12);
    --shadow-lg:  0 8px 40px rgba(14,165,164,0.18);
    --shadow-xl:  0 16px 60px rgba(14,165,164,0.25);
    --glow:       0 0 30px rgba(14,165,164,0.35);

    /* Typography */
    --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
    --font-body:    'Inter', 'Segoe UI', sans-serif;
    --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

    /* Layout */
    --container:    1200px;
    --nav-h:        70px;

    /* Transitions */
    --t-fast:   0.15s ease;
    --t-base:   0.3s ease;
    --t-slow:   0.6s ease;

    /* Radii */
    --r-sm:   6px;
    --r-md:   12px;
    --r-lg:   20px;
    --r-xl:   28px;
    --r-full: 9999px;
}

/* ── Dark Theme ── */
[data-theme="dark"] {
    --bg:             #0d0a1e;
    --bg-secondary:   #0f172a;
    --bg-card:        #102132;
    --bg-nav:         rgba(13, 10, 30, 0.9);
    --text:           #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted:     #94a3b8;
    --border:         #1f3a4d;
    --border-hover:   #2dd4bf;
    --shadow-sm:  0 1px 4px rgba(0,0,0,0.4);
    --shadow-md:  0 4px 20px rgba(0,0,0,0.5);
    --shadow-lg:  0 8px 40px rgba(0,0,0,0.6);
    --shadow-xl:  0 16px 60px rgba(0,0,0,0.7);
    --glow:       0 0 40px rgba(14,165,164,0.5);
    /* Dark theme - soft pastels look great on dark backgrounds */
    --grad-text:  linear-gradient(135deg, #99f6e4, #67e8f9, #93c5fd);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: var(--nav-h);
    overflow-x: hidden;   /* prevent horizontal overflow from causing mobile zoom-out */
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background-color var(--t-base), color var(--t-base);
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }

/* ─────────────────────────────────────────
   3. Layout Utilities
───────────────────────────────────────── */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--clr-primary);
    background: rgba(14,165,164,0.1);
    border: 1px solid rgba(14,165,164,0.25);
    padding: 0.3rem 0.9rem;
    border-radius: var(--r-full);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

.gradient-text {
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ─────────────────────────────────────────
   4. Navigation
───────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-h);
    z-index: 1000;
    transition: background var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
    background: transparent;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: var(--bg-nav);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-h);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.nav-center {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.4rem 0.85rem;
    border-radius: var(--r-full);
    transition: color var(--t-fast), background var(--t-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--clr-primary);
    background: rgba(14,165,164,0.08);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-cv-btn {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--clr-primary);
    border: 1.5px solid var(--clr-primary);
    padding: 0.4rem 1rem;
    border-radius: var(--r-full);
    transition: all var(--t-fast);
}

.nav-cv-btn:hover {
    background: var(--clr-primary);
    color: #fff;
    box-shadow: var(--glow);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--r-full);
    color: var(--text-secondary);
    transition: all var(--t-fast);
    font-size: 0.9rem;
    background: transparent;
}

.icon-btn:hover {
    color: var(--clr-primary);
    background: rgba(14,165,164,0.1);
}

.lang-btns {
    display: flex;
    border: 1.5px solid var(--border);
    border-radius: var(--r-full);
    overflow: hidden;
}

.lang-btn {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.7rem;
    color: var(--text-muted);
    transition: all var(--t-fast);
    background: transparent;
}

.lang-btn.active {
    background: var(--clr-primary);
    color: #fff;
}

.lang-btn:hover:not(.active) {
    color: var(--clr-primary);
    background: rgba(14,165,164,0.1);
}

/* ── Hamburger ── */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.35s ease;
    transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Nav Overlay ── */
.nav-overlay {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    gap: 0.5rem;
    animation: slideDown 0.3s ease;
    z-index: 999;
}

.nav-overlay.open { display: flex; }

.nav-overlay .nav-link {
    padding: 0.75rem 1rem;
    border-radius: var(--r-md);
    font-size: 1rem;
}

.nav-overlay-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────
   5. Hero Section
───────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--grad-hero);
}

#particle-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: calc(var(--nav-h) + 2rem) 0 4rem;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4rem;
    align-items: center;
}

.hero-text { max-width: 640px; }

.hero-greeting {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--clr-primary-light);
    margin-bottom: 0.5rem;
    opacity: 0.9;
    letter-spacing: 0.05em;
}

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.05;
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    letter-spacing: -0.03em;
}

.hero-typed-wrap {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 3vw, 1.9rem);
    font-weight: 600;
    color: #fff;
    margin-bottom: 1.25rem;
    min-height: 2.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

@media (min-width: 1025px) {
    .hero-typed-wrap { justify-content: flex-start; }
}

.typed-text { color: var(--clr-primary-light); }

.typed-cursor {
    display: inline-block;
    width: 3px;
    height: 1.2em;
    background: var(--clr-primary-light);
    border-radius: 2px;
    animation: blink 1s step-end infinite;
    vertical-align: middle;
}

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

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.65);
    margin-bottom: 2rem;
    max-width: 520px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--r-full);
    transition: all 0.25s ease;
    cursor: pointer;
    border: none;
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(14,165,164,0.45);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(14,165,164,0.6);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--clr-primary);
    border: 1.5px solid var(--clr-primary);
}

.btn-ghost:hover {
    background: var(--clr-primary);
    color: #fff;
    box-shadow: var(--glow);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: rgba(255,255,255,0.8);
    border: 1.5px solid rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-color: rgba(255,255,255,0.7);
}

/* ── Hero Stats ── */
.hero-stats {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.stat-item { text-align: center; }

.stat-value {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.3rem;
}

.stat-label {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* ── Hero Avatar ── */
.hero-avatar {
    flex-shrink: 0;
    position: relative;
}

/* Outer wrapper: static, just provides sizing */
.avatar-wrap {
    position: relative;
    width: 288px;
    height: 288px;
}

/* Spinning gradient ring (separate from the image) */
.avatar-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, #99f6e4, #67e8f9, #93c5fd, #0ea5a4, #99f6e4);
    animation: spin-slow 6s linear infinite;
    box-shadow: 0 0 40px rgba(14,165,164,0.55), 0 0 80px rgba(14,165,164,0.25);
}

/* Static photo on top of the ring */
.avatar-img {
    position: absolute;
    inset: 5px;
    width: calc(100% - 10px);
    height: calc(100% - 10px);
    border-radius: 50%;
    object-fit: cover;
    object-position: center 25%;
    z-index: 1;
    border: 3px solid var(--bg);
}

@keyframes spin-slow {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* ── Scroll Indicator ── */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.4);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.scroll-mouse {
    width: 22px;
    height: 36px;
    border: 2px solid rgba(255,255,255,0.25);
    border-radius: 11px;
    display: flex;
    justify-content: center;
    padding-top: 6px;
}

.scroll-wheel {
    width: 3px;
    height: 7px;
    background: var(--clr-primary-light);
    border-radius: 2px;
    animation: scroll-down 1.8s ease infinite;
}

@keyframes scroll-down {
    0%   { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(12px); }
}

/* ─────────────────────────────────────────
   6. About Section
───────────────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.25rem;
}

.about-text p:last-child { margin-bottom: 0; }

.about-extras {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 1.5rem;
    transition: border-color var(--t-base), box-shadow var(--t-base);
}

.about-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.about-card-title {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.edu-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.edu-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.edu-period {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--clr-primary);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.edu-degree {
    font-weight: 600;
    color: var(--text);
    font-size: 0.95rem;
}

.edu-major {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.edu-note {
    font-size: 0.8rem;
    color: var(--clr-primary-light);
    font-style: italic;
}

.award-list { display: flex; flex-direction: column; gap: 0.6rem; }

.edu-awards {
    margin-top: 0.85rem;
    padding-top: 0.85rem;
}

/* Certifications card inside About section */
.about-certs-card {
    background: linear-gradient(135deg, var(--bg-card) 60%, rgba(14,165,164,0.05) 100%);
    border-color: rgba(14,165,164,0.3);
}

.about-card-title .credly-link {
    margin-left: auto;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--clr-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    opacity: 0.75;
    transition: opacity 0.2s;
    letter-spacing: 0.04em;
    text-transform: none;
}
.about-card-title .credly-link:hover { opacity: 1; text-decoration: underline; }
.about-card-title .credly-link i { font-size: 0.6rem; }

.cert-cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.6rem;
}

@media (max-width: 1100px) { .cert-cards-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px)  { .cert-cards-grid { grid-template-columns: 1fr; } }

.cert-card {
    display: flex;
    gap: 0.6rem;
    padding: 0.7rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--clr-primary);
    text-decoration: none;
    background: var(--bg);
    align-items: flex-start;
    transition: transform 0.18s, box-shadow 0.2s;
}
.cert-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 18px rgba(0,0,0,0.15);
}

.cert-card-badge {
    flex-shrink: 0;
    width: 2.8rem;
    height: 2.8rem;
    object-fit: contain;
    align-self: flex-start;
}

.cert-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
}
.cert-card-issuer {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--clr-primary);
    opacity: 0.75;
}
.cert-card-name {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
}
.cert-card-desc {
    font-size: 0.73rem;
    color: var(--text-secondary);
    line-height: 1.45;
    margin-top: 0.08rem;
}

.award-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.award-item i {
    color: var(--clr-amber);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

/* ─────────────────────────────────────────
   7. Skills Section
───────────────────────────────────────── */
.skills-section { background: var(--bg-secondary); }

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.skill-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 1.75rem;
    transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--r-lg) var(--r-lg) 0 0;
    background: var(--card-accent, var(--clr-primary));
    transition: height var(--t-base);
}

.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.skill-card:hover::before { height: 4px; }

.skill-card[data-color="purple"]  { --card-accent: var(--clr-primary); }
.skill-card[data-color="indigo"]  { --card-accent: var(--clr-indigo); }
.skill-card[data-color="pink"]    { --card-accent: var(--clr-pink); }
.skill-card[data-color="cyan"]    { --card-accent: var(--clr-cyan); }
.skill-card[data-color="amber"]   { --card-accent: var(--clr-amber); }
.skill-card[data-color="green"]   { --card-accent: var(--clr-green); }

.skill-card-head {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.skill-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
    background: var(--card-accent, var(--clr-primary));
    flex-shrink: 0;
}

.skill-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
}

.skill-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.skill-pill {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    padding: 0.25rem 0.65rem;
    border-radius: var(--r-full);
    background: rgba(14,165,164,0.07);
    color: var(--text-secondary);
    border: 1px solid rgba(14,165,164,0.15);
    transition: all var(--t-fast);
}

.skill-pill:hover {
    background: rgba(14,165,164,0.15);
    border-color: var(--clr-primary-light);
    color: var(--clr-primary);
}

/* ─────────────────────────────────────────
   8. Timeline Section
───────────────────────────────────────── */
.timeline-wrap {
    position: relative;
    max-width: 860px;
    margin: 0 auto;
}

.timeline-wrap::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    transform: translateX(-50%);
    background: linear-gradient(to bottom, transparent, var(--clr-primary) 10%, var(--clr-primary) 90%, transparent);
    opacity: 0.4;
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 60px 1fr;
    gap: 0;
    margin-bottom: 3rem;
    position: relative;
}

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

.timeline-item:nth-child(odd) .timeline-card  { grid-column: 1; grid-row: 1; }
.timeline-item:nth-child(odd) .timeline-dot   { grid-column: 2; grid-row: 1; }
.timeline-item:nth-child(odd) .timeline-empty { grid-column: 3; grid-row: 1; }

.timeline-item:nth-child(even) .timeline-empty { grid-column: 1; grid-row: 1; }
.timeline-item:nth-child(even) .timeline-dot   { grid-column: 2; grid-row: 1; }
.timeline-item:nth-child(even) .timeline-card  { grid-column: 3; grid-row: 1; }

.timeline-dot {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 1.5rem;
    position: relative;
    z-index: 1;
}

.dot-inner {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 3px solid var(--bg);
    box-shadow: 0 0 0 2px var(--clr-primary);
    background: var(--clr-primary);
    transition: all var(--t-base);
    flex-shrink: 0;
}

.timeline-item.current .dot-inner {
    background: var(--clr-green);
    box-shadow: 0 0 0 2px var(--clr-green), 0 0 16px rgba(16,185,129,0.5);
    animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 2px var(--clr-green), 0 0 16px rgba(16,185,129,0.5); }
    50%       { box-shadow: 0 0 0 4px var(--clr-green), 0 0 24px rgba(16,185,129,0.7); }
}

.timeline-empty { min-height: 10px; }

.timeline-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 1.5rem;
    transition: border-color var(--t-base), box-shadow var(--t-base), transform var(--t-base);
    position: relative;
}

.timeline-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.timeline-period {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--clr-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.current-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.65rem;
    padding: 0.15rem 0.5rem;
    background: rgba(16,185,129,0.12);
    color: var(--clr-green);
    border: 1px solid rgba(16,185,129,0.3);
    border-radius: var(--r-full);
    font-family: var(--font-body);
    letter-spacing: 0.03em;
}

.current-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--clr-green);
    border-radius: 50%;
    animation: pulse-dot 1.5s ease infinite;
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.2rem;
}

.timeline-company {
    font-size: 0.9rem;
    color: var(--clr-primary);
    font-weight: 500;
    margin-bottom: 0.15rem;
}

.timeline-location {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.timeline-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.timeline-highlights {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.highlight-item i {
    color: var(--clr-primary-light);
    margin-top: 0.2rem;
    flex-shrink: 0;
    font-size: 0.6rem;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 500;
    padding: 0.2rem 0.55rem;
    border-radius: var(--r-full);
    background: rgba(14,165,164,0.08);
    color: var(--text-muted);
    border: 1px solid rgba(14,165,164,0.12);
}

/* ─────────────────────────────────────────
   9. Projects Section
───────────────────────────────────────── */
.projects-section { background: var(--bg-secondary); }

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 1.75rem;
    transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

.project-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--r-lg);
    background: linear-gradient(135deg, transparent 60%, rgba(14,165,164,0.04));
    pointer-events: none;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-hover);
}

.project-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
    flex-shrink: 0;
}

.project-card[data-grad="grad-purple"] .project-icon { background: linear-gradient(135deg, #0f766e, #0ea5a4); }
.project-card[data-grad="grad-indigo"] .project-icon { background: linear-gradient(135deg, #4338ca, #6366f1); }
.project-card[data-grad="grad-pink"]   .project-icon { background: linear-gradient(135deg, #be185d, #ec4899); }
.project-card[data-grad="grad-cyan"]   .project-icon { background: linear-gradient(135deg, #0891b2, #06b6d4); }
.project-card[data-grad="grad-amber"]  .project-icon { background: linear-gradient(135deg, #d97706, #f59e0b); }
.project-card[data-grad="grad-green"]  .project-icon { background: linear-gradient(135deg, #059669, #10b981); }

.project-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
}

.project-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    flex: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: auto;
}

.project-tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 500;
    padding: 0.2rem 0.55rem;
    border-radius: var(--r-full);
    background: rgba(14,165,164,0.08);
    color: var(--text-muted);
    border: 1px solid rgba(14,165,164,0.12);
    transition: all var(--t-fast);
}

.project-tag:hover {
    background: rgba(14,165,164,0.16);
    color: var(--clr-primary);
}

/* ─────────────────────────────────────────
   10. Certifications Section
───────────────────────────────────────── */
.certs-hint {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.certs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 0.72fr 0.72fr;
    gap: 1.25rem;
    align-items: stretch;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
    display: flex;
    flex-direction: column;
    position: relative;
    text-decoration: none;
    color: inherit;
}

.cert-pro-type {
    border-top: 3px solid var(--clr-primary);
    box-shadow: 0 2px 12px rgba(14,165,164,0.1);
}
.cert-badge-type {
    border-top: 3px solid var(--clr-cyan);
    opacity: 0.85;
}
.cert-pro-type .cert-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text);
}
.cert-badge-type .cert-name {
    font-size: 0.73rem;
    color: var(--text-secondary);
}

.cert-card:hover {
    transform: translateY(-5px) scale(1.01);
    box-shadow: var(--shadow-xl);
    border-color: var(--clr-primary-light);
}

.cert-img-wrap {
    aspect-ratio: 1;
    overflow: hidden;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1.8rem;
}

.cert-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--t-slow);
    padding: 8px;
}

.cert-card:hover .cert-img-wrap img { transform: scale(1.05); }

.cert-name {
    padding: 0.75rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.35;
    border-top: 1px solid var(--border);
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Professional cert top badge */
.cert-pro-badge {
    position: absolute;
    top: 0.6rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.6rem;
    border-radius: var(--r-full);
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-indigo));
    color: #fff;
    white-space: nowrap;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    box-shadow: 0 2px 8px rgba(14,165,164,0.4);
}

.cert-skill-badge {
    position: absolute;
    top: 0.6rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.6rem;
    border-radius: var(--r-full);
    background: rgba(6,182,212,0.15);
    color: var(--clr-cyan);
    border: 1px solid rgba(6,182,212,0.35);
    white-space: nowrap;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* ── Lightbox Modal ── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.88);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t-base), visibility var(--t-base);
    backdrop-filter: blur(8px);
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    max-width: 600px;
    width: 100%;
    background: var(--bg-card);
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border);
    transform: scale(0.92);
    transition: transform var(--t-base);
}

.modal-overlay.open .modal-content { transform: scale(1); }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.modal-cert-name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text);
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--r-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1rem;
    transition: all var(--t-fast);
    background: rgba(14,165,164,0.08);
}

.modal-close:hover { background: rgba(14,165,164,0.18); color: var(--clr-primary); }

.modal-img { width: 100%; display: block; }

/* ─────────────────────────────────────────
   11. Public Presence Section
───────────────────────────────────────── */
.presence-section { background: var(--bg-secondary); }

.presence-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.presence-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
    position: relative;
}

.presence-card::before {
    content: '';
    display: block;
    height: 4px;
    background: var(--card-accent, var(--clr-primary));
}

.presence-card[data-color="purple"] { --card-accent: var(--clr-primary); }
.presence-card[data-color="indigo"]  { --card-accent: var(--clr-indigo); }
.presence-card[data-color="pink"]    { --card-accent: var(--clr-pink); }
.presence-card[data-color="amber"]   { --card-accent: var(--clr-amber); }
.presence-card[data-color="cyan"]    { --card-accent: var(--clr-cyan); }

.presence-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-hover);
}

.presence-card-inner { padding: 1.4rem; }

.presence-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.9rem;
}

.presence-conf-name {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    transition: color var(--t-fast);
    line-height: 1.25;
}

.presence-conf-name:hover { color: var(--clr-primary); }

.presence-organizer {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

.presence-year {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: var(--r-full);
    background: rgba(14,165,164,0.08);
    color: var(--clr-primary);
    border: 1px solid rgba(14,165,164,0.18);
    flex-shrink: 0;
}

.presence-talk-row {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1rem;
    padding: 0.6rem 0.8rem;
    background: rgba(14,165,164,0.05);
    border-radius: var(--r-md);
    border-left: 3px solid var(--card-accent, var(--clr-primary));
}

.presence-talk-row i {
    color: var(--card-accent, var(--clr-primary));
    font-size: 0.8rem;
    flex-shrink: 0;
}

.presence-talk-row span {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
}

.presence-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.presence-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.73rem;
    font-weight: 600;
    padding: 0.32rem 0.75rem;
    border-radius: var(--r-full);
    text-decoration: none;
    transition: all var(--t-fast);
    white-space: nowrap;
}

.pab-youtube {
    background: rgba(220,38,38,0.07);
    color: #dc2626;
    border: 1px solid rgba(220,38,38,0.18);
}
.pab-youtube:hover { background: #dc2626; color: #fff; }

.pab-lightning {
    background: rgba(245,158,11,0.07);
    color: var(--clr-amber);
    border: 1px solid rgba(245,158,11,0.18);
}
.pab-lightning:hover { background: var(--clr-amber); color: #fff; }

.pab-slides {
    background: rgba(14,165,164,0.07);
    color: var(--clr-primary);
    border: 1px solid rgba(14,165,164,0.18);
}
.pab-slides:hover { background: var(--clr-primary); color: #fff; }

@media (max-width: 768px) {
    .presence-grid { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────
   12. Contact Section
───────────────────────────────────────── */
.contact-inner {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.contact-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    line-height: 1.8;
}

.contact-direct {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 2.5rem;
    margin-bottom: 1.75rem;
}

.contact-direct-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    transition: color var(--t-fast);
}

.contact-direct-item i {
    color: var(--clr-primary);
    font-size: 0.9rem;
}

.contact-direct-item:hover { color: var(--clr-primary); }

.contact-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.9rem 2rem;
    border-radius: var(--r-full);
    transition: all 0.25s ease;
    min-width: 260px;
    justify-content: center;
    cursor: pointer;
}

.contact-btn-primary {
    background: var(--grad-primary);
    color: #fff;
    box-shadow: var(--shadow-md);
    border: none;
}

.contact-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow);
}

.contact-btn-secondary {
    background: var(--bg-card);
    color: var(--text);
    border: 1.5px solid var(--border);
}

.contact-btn-secondary:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-or {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0.5rem 0;
}

.contact-socials {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 0.25rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: var(--r-full);
    border: 1.5px solid var(--border);
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all 0.25s ease;
    background: var(--bg-card);
}

.social-link:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: rgba(14,165,164,0.05);
}

/* ─────────────────────────────────────────
   12. Footer
───────────────────────────────────────── */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 2.5rem 0;
    text-align: center;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-link {
    font-size: 0.82rem;
    color: var(--text-muted);
    transition: color var(--t-fast);
}

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

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.footer-copy .heart {
    color: var(--clr-pink);
    font-size: 0.9rem;
    animation: heartbeat 1.5s ease infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50%       { transform: scale(1.2); }
}

/* ─────────────────────────────────────────
   13. Back to Top
───────────────────────────────────────── */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 46px;
    height: 46px;
    border-radius: var(--r-full);
    background: var(--grad-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 500;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--t-base);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.back-to-top:hover { transform: translateY(-3px); box-shadow: var(--glow); }

/* ─────────────────────────────────────────
   14. AOS (Scroll Animations) Overrides
───────────────────────────────────────── */
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }

/* ─────────────────────────────────────────
   15. Responsive
───────────────────────────────────────── */

/* ── Tablet (≤1024px) ── */
@media (max-width: 1024px) {
    .skills-grid      { grid-template-columns: repeat(2, 1fr); }
    .projects-grid    { grid-template-columns: repeat(2, 1fr); }
    .certs-grid       { grid-template-columns: repeat(3, 1fr); }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        justify-items: center;
    }

    .hero-text { max-width: 100%; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-avatar { order: -1; }

    .avatar-wrap { width: 210px; height: 210px; }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    /* Timeline collapses to single column */
    .timeline-wrap::before { left: 24px; transform: none; }
    .timeline-item {
        grid-template-columns: 48px 1fr;
    }
    .timeline-item:nth-child(odd)  .timeline-card,
    .timeline-item:nth-child(even) .timeline-card  { grid-column: 2; grid-row: 1; }
    .timeline-item:nth-child(odd)  .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot   { grid-column: 1; grid-row: 1; }
    .timeline-item:nth-child(odd)  .timeline-empty,
    .timeline-item:nth-child(even) .timeline-empty { display: none; }
    .timeline-dot { justify-content: center; padding-top: 1.5rem; }
    .dot-inner { margin: 0 auto; }
}

/* ── Mobile (≤768px) ── */
@media (max-width: 768px) {
    :root { --nav-h: 60px; }

    .section { padding: 4rem 0; }
    .section-title { font-size: 1.75rem; }

    .nav-center { display: none; }

    .hamburger { display: flex; }

    .nav-right .nav-cv-btn,
    .nav-right .nav-controls { display: none; }

    .hero-name  { font-size: 2.4rem; }
    .avatar-wrap { width: 170px; height: 170px; }

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

    .hero-stats { gap: 1.5rem; }
    .stat-value { font-size: 1.8rem; }
}

/* ── Small Mobile (≤480px) ── */
@media (max-width: 480px) {
    .certs-grid { grid-template-columns: 1fr 1fr; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; justify-content: center; }
}

/* ─────────────────────────────────────────
   16. CV Page Styles
───────────────────────────────────────── */
.cv-page {
    min-height: 100vh;
    background: var(--bg);
    padding-top: var(--nav-h);
}

.cv-topbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: var(--nav-h);
    z-index: 100;
}

.cv-topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.cv-actions { display: flex; gap: 0.75rem; align-items: center; }

.cv-print-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.25rem;
    background: var(--grad-primary);
    color: #fff;
    border: none;
    border-radius: var(--r-full);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--t-base);
    box-shadow: var(--shadow-md);
}

.cv-print-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--glow);
}

.cv-body {
    max-width: 860px;
    margin: 2rem auto;
    padding: 0 1.5rem 4rem;
}

.cv-header-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 2.5rem;
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: center;
}

.cv-avatar {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    object-fit: cover;
    object-position: top center;
    border: 4px solid var(--clr-primary);
    box-shadow: var(--glow);
    flex-shrink: 0;
}

.cv-name {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    background: var(--grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    margin-bottom: 0.4rem;
}

.cv-job-title {
    font-size: 1.1rem;
    color: var(--clr-primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.cv-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.cv-meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.cv-meta-item i { color: var(--clr-primary); }
.cv-meta-item a { color: var(--text-secondary); transition: color var(--t-fast); }
.cv-meta-item a:hover { color: var(--clr-primary); }

.cv-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.cv-section-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--clr-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid rgba(14,165,164,0.2);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cv-exp-item {
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.cv-exp-item:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
}

.cv-exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.25rem;
    flex-wrap: wrap;
}

.cv-exp-title {
    font-weight: 700;
    color: var(--text);
    font-size: 1rem;
}

.cv-exp-period {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--clr-primary);
    font-weight: 600;
    flex-shrink: 0;
    background: rgba(14,165,164,0.08);
    padding: 0.2rem 0.6rem;
    border-radius: var(--r-full);
}

.cv-exp-company {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.6rem;
    font-weight: 500;
}

.cv-exp-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.cv-exp-bullets {
    padding-left: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 0.75rem;
}

.cv-exp-bullets li {
    font-size: 0.82rem;
    color: var(--text-secondary);
    list-style-type: disc;
    line-height: 1.6;
}

.cv-skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.cv-skill-group-name {
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--text);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.cv-skill-group-name i { color: var(--clr-primary); font-size: 0.75rem; }

.cv-skill-pills { display: flex; flex-wrap: wrap; gap: 0.3rem; }

.cv-skill-pill {
    font-size: 0.7rem;
    padding: 0.18rem 0.5rem;
    border-radius: var(--r-full);
    background: rgba(14,165,164,0.07);
    color: var(--text-secondary);
    border: 1px solid rgba(14,165,164,0.12);
    font-family: var(--font-mono);
}

.cv-certs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.cv-cert-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.8rem;
    background: rgba(14,165,164,0.05);
    border: 1px solid rgba(14,165,164,0.12);
    border-radius: var(--r-md);
}

.cv-cert-item i { color: var(--clr-amber); font-size: 0.9rem; flex-shrink: 0; }
.cv-cert-item span { font-size: 0.78rem; color: var(--text-secondary); font-weight: 500; line-height: 1.4; }

/* Professional cert 3-card grid in cv.html */
.cv-certs-pro-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
    margin-bottom: 0;
}
.cv-cert-pro-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 0.85rem;
    background: rgba(14,165,164,0.04);
    border: 1px solid rgba(14,165,164,0.15);
    border-top: 2px solid var(--clr-primary);
    border-radius: var(--r-md);
    text-decoration: none;
    transition: box-shadow 0.18s, transform 0.18s;
}
.cv-cert-pro-card:hover {
    box-shadow: 0 4px 18px rgba(14,165,164,0.14);
    transform: translateY(-2px);
}
.cv-cert-pro-img { width: 4rem; height: 4rem; object-fit: contain; }
.cv-cert-pro-body { display: flex; flex-direction: column; gap: 0.2rem; text-align: center; }
.cv-cert-pro-issuer {
    font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.07em; color: var(--clr-primary); opacity: 0.75;
}
.cv-cert-pro-name { font-size: 0.82rem; font-weight: 700; color: var(--text); line-height: 1.3; }
.cv-cert-pro-desc { font-size: 0.76rem; color: var(--text-secondary); line-height: 1.5; margin-top: 0.1rem; }

/* ── Print Styles ── */
@media print {
    .navbar, .cv-topbar, .back-to-top { display: none !important; }
    .cv-page { padding-top: 0; }
    .cv-body { max-width: 100%; margin: 0; padding: 1cm; }
    .cv-header-card, .cv-section { break-inside: avoid; }
    body { background: white !important; color: #000 !important; }
    .cv-name, .cv-section-title { -webkit-text-fill-color: unset !important; background: none !important; color: #0f766e !important; }
}

@media (max-width: 640px) {
    .cv-header-card { grid-template-columns: 1fr; text-align: center; }
    .cv-avatar { margin: 0 auto; }
    .cv-meta { justify-content: center; }
    .cv-skills-grid { grid-template-columns: 1fr; }
    .cv-certs-grid { grid-template-columns: 1fr 1fr; }
    .cv-certs-pro-grid { grid-template-columns: 1fr; }
    .cv-exp-header { flex-direction: column; align-items: flex-start; }
}