/* =============================================
   PORTFOLIO — Twenty-inspired Design
   Font: Gabarito (headings + body) + Inter (secondary)
   Palette: warm off-white / dark mode
   ============================================= */

/* ── Tokens ─────────────────────────────────── */
:root {
    --bg:          #FAFAF8;
    --bg-surface:  #FFFFFF;
    --bg-subtle:   #F5F5F2;
    --bg-muted:    #EDEDEA;

    --text:        #141414;
    --text-2:      #474747;
    --text-3:      #7A7A7A;
    --text-4:      #ABABAB;

    --border:      #E4E4E2;
    --border-light:#F0F0ED;

    --accent:      #141414;
    --accent-hover:#333333;
    --link:        #0000EE;

    --dot-color:   rgba(0,0,0,.12);

    --font-heading:'Gabarito', sans-serif;
    --font-body:   'Gabarito', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --container:   1140px;
    --header-height: 64px;
    --radius:      12px;
    --radius-sm:   8px;
    --radius-xs:   6px;

    --ease:        cubic-bezier(.25,.46,.45,.94);
    --ease-out:    cubic-bezier(.16,1,.3,1);
    --duration:    .25s;

    color-scheme: light;
}

/* ── Dark Mode ──────────────────────────────── */
[data-theme="dark"] {
    --bg:          #0A0A0A;
    --bg-surface:  #111111;
    --bg-subtle:   #1A1A1A;
    --bg-muted:    #222222;

    --text:        #F5F5F3;
    --text-2:      #B0B0B0;
    --text-3:      #777777;
    --text-4:      #4A4A4A;

    --border:      #252525;
    --border-light:#1C1C1C;

    --accent:      #F5F5F3;
    --accent-hover:#D0D0D0;
    --link:        #7DB4FF;

    --dot-color:   rgba(255,255,255,.07);

    color-scheme: dark;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 24px);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background .4s ease, color .4s ease;
}

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

/* ── Dot grid background ───────────────────── */
.dot-bg {
    position: relative;
}
.dot-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, var(--dot-color) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
    z-index: 0;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 100%);
}
.dot-bg > * {
    position: relative;
    z-index: 1;
}

/* ── Text accent highlight ──────────────────── */
.text-accent {
    color: var(--link);
    position: relative;
}

/* ── Dark mode logo inversion ──────────────── */
[data-theme="dark"] .logo-invertible {
    filter: brightness(0) invert(1);
}
[data-theme="dark"] .logo-on-light {
    background: rgba(255,255,255,.9);
    border-radius: 6px;
    padding: 4px;
}
[data-theme="dark"] .logo-item img {
    filter: brightness(0) invert(.85);
}

/* ── Utility ────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

:focus-visible {
    outline: 2px solid var(--link);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}

/* ── Scroll animation base ──────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
/* staggered delays */
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal[data-delay="4"] { transition-delay: .4s; }
.reveal[data-delay="5"] { transition-delay: .5s; }
.reveal[data-delay="6"] { transition-delay: .6s; }

/* =============================================
   HEADER
   ============================================= */
.header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    height: var(--header-height);
    background: color-mix(in srgb, var(--bg) 85%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease), background .4s ease;
}
.header.scrolled {
    border-bottom-color: var(--border);
    box-shadow: 0 1px 8px rgba(0,0,0,.04);
}

[data-theme="dark"] .header.scrolled {
    box-shadow: 0 1px 8px rgba(0,0,0,.3);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 32px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}
.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--accent);
    color: var(--bg);
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: .8rem;
    letter-spacing: -.02em;
    line-height: 1;
}
.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
    white-space: nowrap;
    letter-spacing: -.01em;
}

/* Nav links */
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-links a {
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-3);
    padding: 6px 14px;
    border-radius: 999px;
    transition: color var(--duration) var(--ease), background var(--duration) var(--ease);
}
.nav-links a:hover {
    color: var(--text);
    background: var(--bg-subtle);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Theme toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-2);
    transition: background .2s, border-color .2s, color .2s;
}
.theme-toggle:hover {
    background: var(--bg-subtle);
    color: var(--text);
}
.theme-toggle svg {
    width: 18px;
    height: 18px;
}
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    font-size: .875rem;
    font-weight: 600;
    color: var(--bg);
    background: var(--accent);
    border-radius: 999px;
    transition: background var(--duration) var(--ease), transform .15s var(--ease);
}
.nav-cta:hover {
    background: var(--accent-hover);
}

/* Mobile toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    width: 36px;
}
.mobile-toggle span {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform .3s var(--ease), opacity .2s;
}
.mobile-toggle.active span:first-child {
    transform: translateY(3.5px) rotate(45deg);
}
.mobile-toggle.active span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* =============================================
   HERO
   ============================================= */
.hero {
    padding: calc(var(--header-height) + 100px) 0 60px;
    text-align: center;
}

.hero-container {
    max-width: 820px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    font-size: .8125rem;
    font-weight: 500;
    color: var(--text-2);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    margin-bottom: 36px;
}
.badge-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: .5; transform: scale(1.4); }
}

.hero-heading {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.02;
    letter-spacing: -.03em;
    color: var(--text);
    margin-bottom: 24px;
}

.hero-sub {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    font-weight: 400;
    line-height: 1.7;
    color: var(--text-2);
    max-width: 560px;
    margin: 0 auto 44px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* ── Buttons (twenty-style) ─────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    font-size: .9375rem;
    font-weight: 600;
    border-radius: 12px;
    transition: all .2s var(--ease);
    white-space: nowrap;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.btn svg { flex-shrink:0; }

.btn-dark {
    color: var(--bg);
    background: var(--accent);
    border: 1px solid var(--accent);
}
.btn-dark:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,.15);
}
.btn-dark:active {
    transform: translateY(0);
    box-shadow: none;
}

[data-theme="dark"] .btn-dark {
    box-shadow: 0 0 0 1px rgba(255,255,255,.1);
}
[data-theme="dark"] .btn-dark:hover {
    box-shadow: 0 6px 20px rgba(255,255,255,.08);
}

.btn-outline {
    color: var(--text);
    border: 1.5px solid var(--border);
    background: var(--bg-surface);
}
.btn-outline:hover {
    border-color: var(--text-4);
    background: var(--bg-subtle);
    transform: translateY(-2px);
}
.btn-outline:active {
    transform: translateY(0);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
    border-radius: 14px;
}

/* =============================================
   STATS
   ============================================= */
.stats {
    padding: 48px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
}

.stats-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}
.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 900;
    color: var(--text);
    letter-spacing: -.03em;
}
.stat-label {
    display: block;
    font-size: .8125rem;
    color: var(--text-3);
    margin-top: 4px;
    font-weight: 500;
}

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

/* =============================================
   LOGOS
   ============================================= */
.logos-section {
    padding: 56px 0;
}

.logos-label {
    text-align: center;
    font-size: .75rem;
    font-weight: 600;
    color: var(--text-4);
    text-transform: uppercase;
    letter-spacing: .1em;
    margin-bottom: 28px;
}

.logos-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.logo-item {
    font-size: .9rem;
    font-weight: 600;
    color: var(--text-3);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color var(--duration) var(--ease);
}
.logo-item:hover { color: var(--text); }
.logo-item img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    border-radius: 4px;
}

/* =============================================
   SECTION COMMON
   ============================================= */
.about, .experience, .projects, .skills, .testimonials, .education, .contact {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-heading {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -.025em;
    color: var(--text);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-2);
    font-weight: 400;
}

/* =============================================
   FEATURES / ABOUT
   ============================================= */
.about {
    background: var(--bg-surface);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    padding: 36px 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    transition: border-color .2s, box-shadow .3s, transform .3s var(--ease-out);
}
.feature-card:hover {
    border-color: var(--text-4);
    box-shadow: 0 12px 40px rgba(0,0,0,.06);
    transform: translateY(-4px);
}
[data-theme="dark"] .feature-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,.3);
}

.feature-card .feature-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: .875rem;
    background: var(--text);
    color: var(--bg);
    border-radius: 10px;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
}

.feature-card p {
    color: var(--text-2);
    font-size: .9375rem;
    line-height: 1.65;
    margin-bottom: 24px;
}

.feature-link {
    font-size: .875rem;
    font-weight: 600;
    color: var(--text);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap .3s var(--ease);
}
.feature-link:hover {
    gap: 10px;
}

/* =============================================
   EXPERIENCE
   ============================================= */
.exp-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.exp-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-surface);
    padding: 32px;
    transition: border-color .2s, box-shadow .3s, transform .3s var(--ease-out);
}
.exp-card:hover {
    border-color: var(--text-4);
    box-shadow: 0 12px 40px rgba(0,0,0,.06);
    transform: translateY(-2px);
}
[data-theme="dark"] .exp-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,.3);
}

.exp-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.exp-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.exp-company-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border-light);
}
.exp-header h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text);
}
.exp-role {
    font-size: .9rem;
    color: var(--text-2);
}
.exp-duration {
    font-size: .8125rem;
    color: var(--text-3);
    font-weight: 500;
    white-space: nowrap;
    padding-top: 4px;
}

.exp-achievements {
    margin-bottom: 20px;
}
.exp-achievements li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: .9375rem;
    line-height: 1.65;
    color: var(--text-2);
}
.exp-achievements li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--text-4);
    border-radius: 50%;
}

.exp-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.exp-tags span {
    padding: 4px 12px;
    font-size: .8125rem;
    font-weight: 500;
    color: var(--text-2);
    background: var(--bg-subtle);
    border-radius: 999px;
}

/* =============================================
   PROJECTS (horizontal scroll)
   ============================================= */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.hscroll-wrapper {
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 8px 0 24px;
    cursor: grab;
}
.hscroll-wrapper:active { cursor: grabbing; }
.hscroll-wrapper::-webkit-scrollbar { display: none; }

.hscroll-track {
    display: inline-flex;
    gap: 24px;
    padding: 0 max(24px, calc((100vw - var(--container)) / 2));
}

.hscroll-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 24px;
    padding-bottom: 8px;
}

.hscroll-dots {
    display: flex;
    gap: 8px;
}
.hscroll-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all .3s var(--ease);
}
.hscroll-dot.active {
    background: var(--accent);
    width: 24px;
    border-radius: 4px;
}

.hscroll-arrows {
    display: flex;
    gap: 8px;
}
.hscroll-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-2);
    transition: all .2s var(--ease);
}
.hscroll-arrow:hover {
    border-color: var(--text-4);
    color: var(--text);
    background: var(--bg-subtle);
}
.hscroll-arrow:disabled {
    opacity: .3;
    cursor: default;
}

/* Horizontal project card  */
.project-card-h {
    flex: 0 0 380px;
    scroll-snap-align: start;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-surface);
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    transition: border-color .2s, box-shadow .3s, transform .3s var(--ease-out);
    user-select: none;
}
.project-card-h:hover {
    border-color: var(--text-4);
    box-shadow: 0 16px 48px rgba(0,0,0,.08);
    transform: translateY(-4px);
}
[data-theme="dark"] .project-card-h:hover {
    box-shadow: 0 16px 48px rgba(0,0,0,.4);
}

.project-card-h .project-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
.project-card-h .project-icon {
    font-size: 2rem;
    line-height: 1;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-subtle);
    border-radius: var(--radius-sm);
}
.project-card-h .project-gh {
    display: flex;
    align-items: center;
    color: var(--text-3);
    transition: color var(--duration);
}
.project-card-h .project-gh:hover { color: var(--text); }
.project-card-h .project-gh svg { width: 22px; height: 22px; }

.project-card-h h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text);
    line-height: 1.3;
}

.project-card-h .project-desc {
    font-size: .9375rem;
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 24px;
    flex: 1;
}

.project-card-h .tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.project-card-h .tech-tags span {
    padding: 5px 12px;
    font-size: .75rem;
    font-weight: 500;
    color: var(--text-3);
    background: var(--bg-subtle);
    border-radius: 999px;
    border: 1px solid var(--border-light);
}

/* =============================================
   SKILLS (tag cloud, no gauges)
   ============================================= */
.skills {
    background: var(--bg-surface);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}

.skill-category {
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
}
.skill-category h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.skill-tag {
    padding: 7px 16px;
    font-size: .8125rem;
    font-weight: 500;
    color: var(--text-2);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    transition: all .2s var(--ease);
}
.skill-tag:hover {
    color: var(--text);
    border-color: var(--text-4);
    transform: translateY(-1px);
}

/* =============================================
   TESTIMONIALS
   ============================================= */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 960px;
    margin: 0 auto;
}

.testimonial-card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-surface);
    padding: 32px;
    transition: border-color .2s, box-shadow .3s, transform .3s var(--ease-out);
}
.testimonial-card:hover {
    border-color: var(--text-4);
    box-shadow: 0 12px 40px rgba(0,0,0,.06);
    transform: translateY(-2px);
}
[data-theme="dark"] .testimonial-card:hover {
    box-shadow: 0 12px 40px rgba(0,0,0,.3);
}

.testimonial-card blockquote {
    font-size: .9375rem;
    line-height: 1.7;
    color: var(--text-2);
    margin-bottom: 24px;
    font-style: normal;
}
.testimonial-card blockquote::before {
    content: '\201C';
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    line-height: 1;
    color: var(--text-4);
    margin-bottom: 8px;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.author-name {
    font-weight: 600;
    font-size: .9rem;
    color: var(--text);
}
.author-role {
    font-size: .8125rem;
    color: var(--text-3);
}

/* =============================================
   EDUCATION
   ============================================= */
.education {
    background: var(--bg-surface);
}

.edu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 880px;
    margin: 0 auto;
}

/* Cert cards: 3 across when there are 3 */
.cert-card { }

.cert-link {
    color: var(--text);
    text-decoration: none;
    transition: color .2s var(--ease);
}
.cert-link:hover {
    color: var(--link);
}

.edu-card {
    display: flex;
    gap: 16px;
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    transition: border-color .2s, transform .3s var(--ease-out);
}
.edu-card:hover {
    border-color: var(--text-4);
    transform: translateY(-2px);
}

.edu-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.edu-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.edu-icon .emoji {
    font-size: 1.75rem;
    line-height: 1;
}

.edu-body h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}
.edu-degree {
    font-size: .875rem;
    color: var(--text-2);
    margin-bottom: 4px;
}
.edu-meta {
    font-size: .8125rem;
    color: var(--text-3);
    margin-bottom: 8px;
}
.edu-detail {
    font-size: .8125rem;
    color: var(--text-3);
    line-height: 1.55;
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
    background: var(--bg-surface);
}

.contact-inner {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.contact-desc {
    font-size: 1.05rem;
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 48px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}

.contact-card {
    padding: 24px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    text-align: center;
    transition: border-color .2s, transform .3s var(--ease-out);
}
.contact-card:hover {
    border-color: var(--text-4);
    transform: translateY(-2px);
}

.contact-card .c-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin: 0 auto 12px;
    border-radius: 10px;
    background: var(--bg-subtle);
}
.contact-card .c-icon svg {
    width: 20px;
    height: 20px;
    color: var(--text-2);
}
.contact-card h3 {
    font-family: var(--font-heading);
    font-size: .875rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text);
}
.contact-card a {
    font-size: .8125rem;
    color: var(--link);
    word-break: break-all;
}
.contact-card a:hover {
    text-decoration: underline;
}

.contact-cta {
    margin-top: 8px;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    padding: 64px 0 40px;
    border-top: 1px solid var(--border);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    margin-bottom: 8px;
}
.footer-tagline {
    font-size: .8125rem;
    color: var(--text-3);
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: .875rem;
    color: var(--text);
    margin-bottom: 14px;
}

.footer-nav,
.footer-connect {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-nav a,
.footer-connect a {
    font-size: .875rem;
    color: var(--text-3);
    transition: color var(--duration);
}
.footer-nav a:hover,
.footer-connect a:hover {
    color: var(--text);
}

.footer-location {
    font-size: .875rem;
    color: var(--text-3);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.footer-bottom p {
    font-size: .8125rem;
    color: var(--text-4);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: 1fr;
        max-width: 540px;
        margin-left: auto;
        margin-right: auto;
    }
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
    .skills-grid {
        grid-template-columns: 1fr;
    }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root { --header-height: 56px; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        height: calc(100vh - var(--header-height));
        height: calc(100dvh - var(--header-height));
        background: var(--bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 32px 24px;
        gap: 28px;
        z-index: 99;
        border-top: 1px solid var(--border);
        overflow-y: auto;
    }
    .nav-links.active { display: flex; }
    .nav-links a {
        font-size: 1.5rem;
        font-weight: 600;
        padding: 8px 0;
        color: var(--text-2);
        background: none;
    }
    .nav-links a:hover { color: var(--text); background: none; }

    .nav-cta { display: none; }
    .mobile-toggle { display: flex; }

    .hero {
        padding-top: calc(var(--header-height) + 56px);
        padding-bottom: 40px;
    }
    .hero-heading {
        font-size: clamp(2.25rem, 9vw, 3.5rem);
    }

    .stats-row { gap: 24px; }
    .stat-divider { display: none; }
    .stats-row {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .about, .experience, .projects, .skills, .testimonials, .education, .contact {
        padding: 64px 0;
    }

    .section-heading {
        font-size: clamp(1.75rem, 7vw, 2.75rem);
    }
    .section-header { margin-bottom: 40px; }

    .exp-header { flex-direction: column; gap: 8px; }
    .exp-duration { padding-top: 0; }

    .projects-grid { grid-template-columns: 1fr; }
    .project-card-h { flex: 0 0 300px; }
    .edu-grid { grid-template-columns: 1fr; }

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

    .footer-top { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .stats-row {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .logos-row { gap: 20px; }

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