/* ========== THEME VARIABLES ========== */
[data-theme="dark"] {
    --bg:        #0a0a0f;
    --bg2:       #111118;
    --surface:   #16161f;
    --card:      #1c1c28;
    --border:    #2a2a3a;
    --text:      #eeeef2;
    --text2:     #9090a8;
    --accent:    #c8ff47;
    --accent2:   #ff6b35;
    --nav-bg:    rgba(10,10,15,0.90);
    --shadow:    0 8px 32px rgba(0,0,0,0.4);
}
[data-theme="light"] {
    --bg:        #f2f2ed;
    --bg2:       #e8e8e2;
    --surface:   #ffffff;
    --card:      #f7f7f2;
    --border:    #ddddd6;
    --text:      #111118;
    --text2:     #666678;
    --accent:    #3d7a00;
    --accent2:   #d45a20;
    --nav-bg:    rgba(242,242,237,0.92);
    --shadow:    0 8px 32px rgba(0,0,0,0.10);
}

/* ========== BASE ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: 'DM Sans', sans-serif;
    font-weight: 400;
    transition: background .3s, color .3s;
    overflow-x: hidden;
}
h1,h2,h3,h4,h5 { font-family: 'Syne', sans-serif; }
a { text-decoration: none; color: inherit; }

/* ========== NAVBAR ========== */
.navbar {
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: .85rem 0;
    position: sticky; top: 0; z-index: 1000;
    transition: background .3s, border-color .3s;
}
.nav-brand {
    font-family: 'Syne', sans-serif;
    font-weight: 800; font-size: 1.35rem;
    color: var(--accent);
    letter-spacing: -.02em;
}
.nav-links { display: flex; align-items: center; gap: .25rem; }
.nav-links a {
    color: var(--text2);
    font-size: .82rem; letter-spacing: .06em;
    text-transform: uppercase;
    padding: .4rem .9rem;
    border-radius: 100px;
    transition: color .2s, background .2s;
}
.nav-links a:hover, .nav-links a.active {
    color: var(--text);
    background: rgba(200,255,71,.08);
}
[data-theme="light"] .nav-links a:hover,
[data-theme="light"] .nav-links a.active {
    background: rgba(61,122,0,.08);
}
.nav-right { display: flex; align-items: center; gap: .5rem; }
.lang-btn {
    font-size: .75rem; color: var(--text2);
    padding: .25rem .5rem; border-radius: 4px;
    transition: color .2s;
}
.lang-btn:hover { color: var(--accent); }
.lang-sep { color: var(--border); font-size: .8rem; }
.theme-btn {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--card); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--text2); font-size: .95rem;
    transition: all .2s;
}
.theme-btn:hover { border-color: var(--accent); color: var(--accent); }
.hamburger {
    display: none; flex-direction: column; gap: 5px;
    cursor: pointer; padding: 4px;
}
.hamburger span {
    display: block; width: 22px; height: 2px;
    background: var(--text2); border-radius: 2px;
    transition: all .3s;
}
.mobile-menu {
    display: none;
    position: fixed; inset: 0; top: 60px;
    background: var(--bg);
    padding: 2rem 1.5rem;
    z-index: 999;
    flex-direction: column; gap: .5rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
    color: var(--text2); font-size: 1.1rem;
    padding: .75rem 1rem; border-radius: 8px;
    transition: all .2s;
}
.mobile-menu a:hover { color: var(--accent); background: var(--card); }

/* ========== HERO ========== */
.hero {
    min-height: 100vh;
    display: flex; align-items: center;
    position: relative; overflow: hidden;
    padding: 120px 0 80px;
}
.hero-bg {
    position: absolute; inset: 0;
    background: var(--bg);
    z-index: 0;
}
/* Subtle grid pattern */
.hero-bg::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
            linear-gradient(var(--border) 1px, transparent 1px),
            linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: .3;
}
.hero-bg::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 70% 70% at 30% 50%, rgba(200,255,71,.06) 0%, transparent 60%);
}
[data-theme="light"] .hero-bg::after {
    background: radial-gradient(ellipse 70% 70% at 30% 50%, rgba(61,122,0,.06) 0%, transparent 60%);
}
.hero-content { position: relative; z-index: 1; }
.hero-tag {
    display: inline-flex; align-items: center; gap: .5rem;
    background: rgba(200,255,71,.07);
    border: 1px solid rgba(200,255,71,.2);
    border-radius: 100px; padding: .3rem 1rem;
    font-size: .75rem; color: var(--accent);
    letter-spacing: .1em; text-transform: uppercase;
    margin-bottom: 1.5rem;
    animation: fadeUp .6s ease both;
}
[data-theme="light"] .hero-tag {
    background: rgba(61,122,0,.07);
    border-color: rgba(61,122,0,.2);
}
.hero h1 {
    font-size: clamp(2.8rem, 7vw, 6rem);
    font-weight: 800;
    letter-spacing: -.04em;
    line-height: .95;
    animation: fadeUp .6s .1s ease both;
}
.hero h1 .accent { color: var(--accent); }
.hero-typed {
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    color: var(--text2);
    margin-top: 1.2rem;
    animation: fadeUp .6s .2s ease both;
}
.typed-cursor { color: var(--accent); }
.hero-desc {
    font-size: 1rem; color: var(--text2);
    max-width: 480px; line-height: 1.75;
    margin-top: 1.2rem;
    animation: fadeUp .6s .3s ease both;
}
.hero-btns {
    display: flex; gap: .85rem; flex-wrap: wrap;
    margin-top: 2.2rem;
    animation: fadeUp .6s .4s ease both;
}
.btn-primary-ar {
    background: var(--accent); color: #0a0a0f;
    border: none; border-radius: 100px;
    padding: .85rem 2rem;
    font-family: 'Syne', sans-serif;
    font-weight: 700; font-size: .9rem;
    letter-spacing: .02em;
    transition: opacity .2s, transform .2s;
    display: inline-flex; align-items: center; gap: .5rem;
}
.btn-primary-ar:hover { opacity: .85; transform: translateY(-2px); color: #0a0a0f; }
.btn-outline-ar {
    background: transparent; color: var(--text);
    border: 1px solid var(--border); border-radius: 100px;
    padding: .85rem 2rem;
    font-family: 'Syne', sans-serif;
    font-weight: 600; font-size: .9rem;
    transition: border-color .2s, color .2s, transform .2s;
    display: inline-flex; align-items: center; gap: .5rem;
}
.btn-outline-ar:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.hero-stats {
    display: flex; gap: 2.5rem; flex-wrap: wrap;
    margin-top: 3.5rem; padding-top: 2.2rem;
    border-top: 1px solid var(--border);
    animation: fadeUp .6s .5s ease both;
}
.stat-num {
    font-family: 'Syne', sans-serif;
    font-weight: 800; font-size: 2rem;
    color: var(--accent); line-height: 1;
}
.stat-lbl { font-size: .72rem; color: var(--text2); margin-top: .25rem; text-transform: uppercase; letter-spacing: .08em; }

/* Hero avatar side */
.hero-avatar-wrap {
    position: relative;
    display: flex; align-items: center; justify-content: center;
    animation: fadeUp .6s .2s ease both;
}
.hero-avatar {
    width: 320px; height: 380px;
    border-radius: 12px;
    object-fit: cover;
    border: 2px solid var(--border);
    box-shadow: var(--shadow);
    position: relative; z-index: 1;
}
.hero-avatar-placeholder {
    width: 320px; height: 380px;
    border-radius: 12px;
    background: var(--card);
    border: 2px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 6rem; color: var(--border);
}
.hero-glow {
    position: absolute; width: 300px; height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200,255,71,.12) 0%, transparent 70%);
    z-index: 0;
}
[data-theme="light"] .hero-glow {
    background: radial-gradient(circle, rgba(61,122,0,.1) 0%, transparent 70%);
}

/* ========== SECTION COMMON ========== */
section { padding: 100px 0; }
.sec-label {
    font-size: .72rem; color: var(--accent);
    text-transform: uppercase; letter-spacing: .18em;
    margin-bottom: .75rem;
}
.sec-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800; letter-spacing: -.03em; line-height: 1.05;
}
.divider { height: 1px; background: var(--border); margin: 1.5rem 0; }

/* ========== ABOUT ========== */
.about-section { background: var(--surface); }
.about-photo {
    width: 100%; max-width: 340px;
    aspect-ratio: 4/5; object-fit: cover;
    border-radius: 10px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}
.about-photo-placeholder {
    width: 100%; max-width: 340px;
    aspect-ratio: 4/5;
    background: var(--card); border-radius: 10px;
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 5rem; color: var(--border);
}
.info-row { display: flex; gap: .5rem; margin-bottom: .65rem; font-size: .92rem; }
.info-key { font-weight: 600; color: var(--text); min-width: 80px; flex-shrink: 0; }
.info-val { color: var(--text2); }

/* Skills */
.skill-item { margin-bottom: 1.1rem; }
.skill-hd { display: flex; justify-content: space-between; font-size: .85rem; margin-bottom: .4rem; }
.skill-name { font-weight: 500; }
.skill-pct { color: var(--accent); font-family: 'Syne', sans-serif; font-weight: 700; }
.skill-bar { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.skill-fill {
    height: 100%; background: var(--accent); border-radius: 2px;
    width: 0; transition: width 1.2s cubic-bezier(.4,0,.2,1);
}
.about-text { font-size: .95rem; color: var(--text2); line-height: 1.8; }
.about-text + .about-text { margin-top: .9rem; }

/* ========== STATS ========== */
.stats-section {
    background: var(--bg2);
    padding: 70px 0;
    position: relative; overflow: hidden;
}
.stats-section::before {
    content: '';
    position: absolute; inset: 0;
    background-image: linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: .15;
}
.stat-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    position: relative; z-index: 1;
    transition: border-color .2s, transform .2s;
}
.stat-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.stat-card .num {
    font-family: 'Syne', sans-serif;
    font-weight: 800; font-size: 2.8rem;
    color: var(--accent); line-height: 1;
}
.stat-card .lbl { font-size: .8rem; color: var(--text2); margin-top: .5rem; text-transform: uppercase; letter-spacing: .08em; }

/* ========== PORTFOLIO ========== */
.portfolio-section { background: var(--surface); }

.filter-bar {
    display: flex; gap: .45rem; flex-wrap: wrap;
    margin-bottom: 2.5rem;
}
.filter-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text2); border-radius: 100px;
    padding: .4rem 1.1rem; font-size: .78rem;
    letter-spacing: .06em; cursor: pointer;
    transition: all .2s; font-family: 'DM Sans', sans-serif;
}
.filter-btn.active, .filter-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #0a0a0f;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.25rem;
}
.p-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px; overflow: hidden;
    transition: transform .3s, box-shadow .3s, border-color .3s;
    cursor: pointer;
}
.p-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 48px rgba(0,0,0,.3);
    border-color: rgba(200,255,71,.2);
}
[data-theme="light"] .p-card:hover { border-color: rgba(61,122,0,.25); }
.p-card-img {
    width: 100%; aspect-ratio: 16/10;
    object-fit: cover; display: block;
    background: var(--bg2);
}
.p-card-placeholder {
    width: 100%; aspect-ratio: 16/10;
    background: var(--bg2);
    display: flex; align-items: center; justify-content: center;
    font-size: 2.5rem;
}
.p-card-body { padding: 1.1rem 1.2rem; }
.p-card-type {
    font-size: .68rem; color: var(--accent);
    text-transform: uppercase; letter-spacing: .1em;
    margin-bottom: .3rem;
}
.p-card-title { font-weight: 700; font-size: .98rem; margin-bottom: .3rem; }
.p-card-desc { font-size: .82rem; color: var(--text2); line-height: 1.55; }
.p-card-foot {
    display: flex; justify-content: space-between; align-items: center;
    padding: .8rem 1.2rem;
    border-top: 1px solid var(--border);
}
.p-card-links { display: flex; gap: .5rem; }
.p-card-link {
    width: 32px; height: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: .85rem; color: var(--text2);
    transition: all .2s;
}
.p-card-link:hover { border-color: var(--accent); color: var(--accent); }
.p-card-tag {
    font-size: .68rem; color: var(--text2);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px; padding: .2rem .55rem;
}

/* hidden portfolio items */
.p-card.hidden { display: none; }

/* ========== TESTIMONIALS ========== */
.testimonials-section { background: var(--bg2); }
.testi-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px; padding: 1.75rem;
    height: 100%;
}
.testi-stars { color: #ffb800; font-size: .85rem; margin-bottom: 1rem; }
.testi-text { font-size: .9rem; color: var(--text2); line-height: 1.75; font-style: italic; margin-bottom: 1.25rem; }
.testi-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--border);
    display: flex; align-items: center; justify-content: center;
    font-family: 'Syne', sans-serif; font-weight: 800;
    font-size: .85rem; color: var(--accent); flex-shrink: 0;
}
.testi-name { font-weight: 600; font-size: .88rem; }
.testi-role { font-size: .75rem; color: var(--text2); }

/* ========== CONTACT ========== */
.contact-section { background: var(--surface); }
.contact-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px; padding: 2rem;
}
.form-label-ar { font-size: .72rem; color: var(--text2); text-transform: uppercase; letter-spacing: .09em; margin-bottom: .45rem; }
.form-control-ar {
    background: var(--surface) !important;
    border: 1px solid var(--border) !important;
    color: var(--text) !important;
    border-radius: 8px !important;
    padding: .72rem 1rem !important;
    font-family: 'DM Sans', sans-serif !important;
    font-size: .9rem !important;
    transition: border-color .2s !important;
}
.form-control-ar::placeholder { color: var(--text2) !important; opacity: .6 !important; }
.form-control-ar:focus {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px rgba(200,255,71,.08) !important;
    outline: none !important;
}
[data-theme="light"] .form-control-ar:focus {
    box-shadow: 0 0 0 3px rgba(61,122,0,.08) !important;
}
.contact-info-item {
    display: flex; align-items: center; gap: .9rem;
    padding: 1rem 0; border-bottom: 1px solid var(--border);
}
.contact-info-item:last-child { border-bottom: none; }
.ci-icon {
    width: 42px; height: 42px; border-radius: 8px;
    background: rgba(200,255,71,.07);
    border: 1px solid rgba(200,255,71,.15);
    display: flex; align-items: center; justify-content: center;
    color: var(--accent); font-size: 1rem; flex-shrink: 0;
}
[data-theme="light"] .ci-icon {
    background: rgba(61,122,0,.07);
    border-color: rgba(61,122,0,.15);
}
.ci-lbl { font-size: .68rem; color: var(--text2); text-transform: uppercase; letter-spacing: .09em; }
.ci-val { font-size: .9rem; margin-top: .1rem; }

/* ========== FOOTER ========== */
footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 2.5rem 0;
}
.social-link {
    width: 38px; height: 38px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--text2); font-size: .95rem;
    transition: all .2s;
}
.social-link:hover { border-color: var(--accent); color: var(--accent); }

/* ========== SCROLL TOP ========== */
.scroll-top-btn {
    position: fixed; bottom: 2rem; right: 2rem;
    width: 42px; height: 42px; border-radius: 50%;
    background: var(--accent); color: #0a0a0f;
    border: none; display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem; cursor: pointer; z-index: 500;
    opacity: 0; pointer-events: none;
    transition: opacity .3s, transform .3s;
    box-shadow: 0 4px 16px rgba(0,0,0,.25);
}
.scroll-top-btn.show { opacity: 1; pointer-events: all; }
.scroll-top-btn:hover { transform: translateY(-3px); }

/* ========== ANIMATIONS ========== */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}
.reveal {
    opacity: 0; transform: translateY(20px);
    transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ========== RESPONSIVE ========== */
@media (max-width: 991px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }
    .hero { padding: 100px 0 60px; }
    .hero-avatar-wrap { margin-top: 3rem; }
}
@media (max-width: 575px) {
    .hero-stats { gap: 1.5rem; }
    .portfolio-grid { grid-template-columns: 1fr; }
}