/* =============================================
   Activity 3 – Portfolio Landing Page
   style.css  — Dark theme with teal accent
   ============================================= */

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

:root {
    --bg:        #0a0e17;
    --bg2:       #0d1220;
    --surface:   #111827;
    --surface2:  #1a2235;
    --border:    #1e2d45;
    --accent:    #64ffda;
    --accent2:   #0abf8a;
    --purple:    #a78bfa;
    --text:      #ccd6f6;
    --text-dim:  #8892b0;
    --white:     #e6f1ff;
    --navy-nav:  rgba(10,14,23,0.92);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    cursor: none;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent2); border-radius: 3px; }

/* ── SELECTION ── */
::selection { background: rgba(100,255,218,0.2); color: var(--white); }

/* ── LOADER ── */
#loader {
    position: fixed; inset: 0; z-index: 9999;
    background: var(--bg);
    display: flex; align-items: center; justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}
#loader.done { opacity: 0; visibility: hidden; }

.loader-inner {
    font-size: 2.4rem; font-weight: 900; letter-spacing: 2px;
    color: var(--white);
    animation: loaderPulse 1.2s ease-in-out infinite;
}
.loader-tag { color: var(--accent); }

@keyframes loaderPulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.3; }
}

/* ── CUSTOM CURSOR ── */
#cursor-dot {
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
    position: fixed; pointer-events: none; z-index: 9998;
    transform: translate(-50%, -50%);
    transition: transform 0.08s ease;
}
#cursor-ring {
    width: 32px; height: 32px;
    border: 1.5px solid rgba(100,255,218,0.5);
    border-radius: 50%;
    position: fixed; pointer-events: none; z-index: 9997;
    transform: translate(-50%, -50%);
    transition: width 0.25s, height 0.25s, border-color 0.25s, transform 0.12s ease;
}
#cursor-ring.hovered { width: 44px; height: 44px; border-color: var(--accent); }
body:not(:hover) #cursor-dot,
body:not(:hover) #cursor-ring { opacity: 0; }

/* ── NAV ── */
#nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 500;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 48px; height: 70px;
    background: transparent;
    transition: background 0.35s, box-shadow 0.35s, height 0.25s;
}
#nav.scrolled {
    background: var(--navy-nav);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.5);
    height: 60px;
}

.nav-back {
    color: var(--text-dim); font-size: 0.78rem;
    text-decoration: none;
    transition: color 0.2s;
    flex-shrink: 0;
}
.nav-back:hover { color: var(--accent); }

.nav-logo {
    font-size: 1.3rem; font-weight: 900; color: var(--white);
    text-decoration: none; letter-spacing: 1px;
    transition: color 0.2s;
}
.logo-bracket { color: var(--accent); }
.nav-logo:hover { color: var(--accent); }

.nav-links {
    list-style: none;
    display: flex; align-items: center; gap: 6px;
}
.nav-links a {
    color: var(--text-dim); font-size: 0.82rem; font-weight: 500;
    text-decoration: none; padding: 6px 14px; border-radius: 6px;
    transition: color 0.2s, background 0.2s;
    letter-spacing: 0.3px;
}
.nav-links a[data-num]::before {
    content: attr(data-num) '.\00a0';
    color: var(--accent); font-size: 0.72rem;
}
.nav-links a:hover { color: var(--accent); }

.nav-hire {
    border: 1px solid var(--accent);
    color: var(--accent) !important;
    padding: 8px 18px !important;
    border-radius: 4px !important;
    font-weight: 700 !important;
    transition: background 0.2s, color 0.2s !important;
}
.nav-hire:hover { background: rgba(100,255,218,0.12) !important; }

/* Burger */
.nav-burger {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-burger span {
    display: block; width: 22px; height: 2px;
    background: var(--accent); border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 499;
    width: min(75vw, 320px);
    background: var(--surface);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 28px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.77,0,0.175,1);
    box-shadow: -10px 0 30px rgba(0,0,0,0.5);
}
.mobile-menu.open { transform: translateX(0); }

.mm-link {
    color: var(--text-dim); font-size: 1rem; font-weight: 600;
    text-decoration: none; letter-spacing: 1px;
    transition: color 0.2s;
}
.mm-link:hover { color: var(--accent); }

/* ── HERO ── */
#hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 360px;
    align-items: center;
    padding: 100px 60px 60px;
    position: relative;
    overflow: hidden;
    gap: 20px;
}

.hero-grid {
    position: absolute; inset: 0; z-index: 0;
    background-image:
        linear-gradient(rgba(100,255,218,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(100,255,218,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content { position: relative; z-index: 1; max-width: 560px; }

.hero-pre {
    font-size: 1rem; color: var(--accent); font-weight: 600;
    letter-spacing: 1px; margin-bottom: 10px;
}

.hero-name {
    font-size: clamp(2.8rem, 6vw, 4.8rem);
    font-weight: 900; color: var(--white);
    line-height: 1.1; margin-bottom: 10px;
    letter-spacing: -1px;
}

.hero-sub {
    font-size: clamp(1.6rem, 3.5vw, 2.8rem);
    font-weight: 700; color: var(--text-dim);
    margin-bottom: 28px; line-height: 1.2;
}

.hero-desc {
    font-size: 0.95rem; line-height: 1.8;
    color: var(--text-dim); max-width: 500px;
    margin-bottom: 36px;
}
.hero-desc strong { color: var(--accent); }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 50px; }

.btn-primary {
    background: var(--accent); color: var(--bg);
    font-weight: 800; font-size: 0.85rem; letter-spacing: 0.8px;
    padding: 14px 30px; border-radius: 4px;
    text-decoration: none;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 0 20px rgba(100,255,218,0.25);
}
.btn-primary:hover {
    background: #8bffe9; transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(100,255,218,0.4);
}

.btn-ghost {
    background: transparent; color: var(--accent);
    border: 1px solid var(--accent);
    font-weight: 700; font-size: 0.85rem; letter-spacing: 0.8px;
    padding: 13px 30px; border-radius: 4px;
    text-decoration: none; transition: all 0.2s;
}
.btn-ghost:hover { background: rgba(100,255,218,0.1); transform: translateY(-2px); }

/* Stats */
.hero-stats {
    display: flex; gap: 36px; flex-wrap: wrap;
    border-top: 1px solid var(--border);
    padding-top: 32px;
}
.stat-item { display: flex; flex-direction: column; gap: 4px; }
.stat-value {
    font-size: 2rem; font-weight: 900; color: var(--accent);
    line-height: 1;
}
.stat-label { font-size: 0.72rem; color: var(--text-dim); letter-spacing: 0.8px; text-transform: uppercase; }

/* Code window */
.hero-code { position: relative; z-index: 1; flex-shrink: 0; }

.code-window {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 12px; overflow: hidden;
    width: 340px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(100,255,218,0.08);
}

.code-titlebar {
    background: var(--surface2); padding: 12px 16px;
    display: flex; align-items: center; gap: 7px;
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green  { background: #28c941; }
.code-filename {
    margin-left: auto; font-size: 0.72rem;
    color: var(--text-dim); font-family: 'Courier New', monospace;
}

.code-body {
    padding: 20px; font-family: 'Courier New', Consolas, monospace;
    font-size: 0.8rem; line-height: 1.9;
    color: var(--text);
}
.c-kw   { color: #c792ea; }
.c-var  { color: #82aaff; }
.c-prop { color: #a78bfa; }
.c-str  { color: #c3e88d; }
.c-bool { color: #ff9f7f; }
.c-comment { color: #546e7a; }

/* Scroll cue */
.scroll-cue {
    position: absolute; bottom: 28px; left: 80px;
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    color: var(--text-dim); font-size: 0.68rem; letter-spacing: 2px;
    text-transform: uppercase;
}
.scroll-line {
    width: 1px; height: 60px;
    background: linear-gradient(to bottom, var(--text-dim), transparent);
    animation: scrollDrop 1.8s ease-in-out infinite;
}
@keyframes scrollDrop {
    0%   { transform: scaleY(0); transform-origin: top; }
    50%  { transform: scaleY(1); transform-origin: top; }
    51%  { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* Fade-up intro animations */
.fade-up {
    opacity: 0; transform: translateY(24px);
    animation: fadeUp 0.7s ease forwards;
}
.hero-pre   { animation-delay: 0.1s; }
.hero-name  { animation-delay: 0.25s; }
.hero-sub   { animation-delay: 0.4s; }
.hero-desc  { animation-delay: 0.55s; }
.hero-actions { animation-delay: 0.7s; }
.hero-stats { animation-delay: 0.85s; }
.hero-code  { animation-delay: 0.95s; }

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

/* ── SHARED SECTION STYLES ── */
section { padding: 100px 80px; }

.section-wrap { max-width: 1000px; margin: 0 auto; }

.sec-head {
    display: flex; align-items: center; gap: 14px;
    margin-bottom: 50px;
}
.sec-num {
    font-size: 0.92rem; font-weight: 700; color: var(--accent);
    font-family: 'Courier New', monospace; flex-shrink: 0;
}
.sec-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800; color: var(--white);
    white-space: nowrap;
}
.sec-line {
    flex: 1; height: 1px; background: var(--border);
    margin-left: 14px;
}

/* Scroll reveal */
.reveal {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ── ABOUT ── */
#about { background: var(--bg); }

.about-layout {
    display: grid; grid-template-columns: 1.4fr 1fr;
    gap: 60px; align-items: center;
}

.about-text p {
    font-size: 0.93rem; line-height: 1.85;
    color: var(--text-dim); margin-bottom: 16px;
}
.hl { color: var(--accent); font-weight: 600; }

.about-details {
    list-style: none; margin-top: 28px;
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px;
}
.about-details li {
    font-size: 0.82rem; color: var(--text-dim);
    display: flex; align-items: flex-start; gap: 6px;
}
.ad-arrow { color: var(--accent); flex-shrink: 0; }

.badge-open {
    background: rgba(100,255,218,0.1); color: var(--accent);
    border: 1px solid rgba(100,255,218,0.3);
    padding: 2px 10px; border-radius: 20px;
    font-size: 0.74rem; font-weight: 700;
}

/* Photo */
.about-photo-wrap { display: flex; justify-content: center; }
.about-photo { position: relative; width: 240px; height: 260px; }

.about-photo-inner {
    width: 100%; height: 100%;
    background: #1e2d45;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 7rem;
    border: 1px solid var(--border);
    position: relative; z-index: 1;
    overflow: hidden;
    transition: transform 0.3s;
}
.about-photo:hover .about-photo-inner { transform: translate(-4px,-4px); }

.photo-frame {
    position: absolute; inset: 0;
    border: 2px solid var(--accent); border-radius: 8px;
    transform: translate(10px, 10px); z-index: 0;
    transition: transform 0.3s;
}
.about-photo:hover .photo-frame { transform: translate(14px, 14px); }

/* ── SKILLS ── */
#skills { background: var(--bg2); }

.skills-container {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 20px 60px; margin-bottom: 40px;
}

.skill-row { display: flex; flex-direction: column; gap: 8px; }

.skill-info {
    display: flex; justify-content: space-between;
    font-size: 0.82rem;
}
.skill-name { color: var(--text); font-weight: 600; }
.skill-pct  { color: var(--accent); font-weight: 700; font-family: monospace; }

.skill-track {
    height: 5px; background: var(--border);
    border-radius: 5px; overflow: hidden;
}
.skill-fill {
    height: 100%;
    background: var(--bar-color, var(--accent));
    border-radius: 5px;
    width: 0;
    transition: width 1s ease 0.2s;
    box-shadow: 0 0 8px var(--bar-color, var(--accent));
}
.skill-fill.animated { width: var(--w); }

/* Tools row */
.tools-row {
    display: flex; flex-wrap: wrap; gap: 10px;
    margin-top: 10px;
}
.tool-badge {
    background: var(--surface); border: 1px solid var(--border);
    color: var(--text-dim); font-size: 0.76rem; font-weight: 600;
    padding: 6px 14px; border-radius: 20px;
    transition: border-color 0.2s, color 0.2s;
}
.tool-badge:hover { border-color: var(--accent); color: var(--accent); }

/* ── PROJECTS CAROUSEL ── */
#projects { background: var(--bg); }

/* Outer wrapper */
.proj-carousel {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: var(--surface);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

/* Sliding track */
.proj-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.77, 0, 0.175, 1);
    will-change: transform;
}

/* Each slide */
.proj-slide {
    min-width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    align-items: stretch;
    opacity: 0.4;
    transform: scale(0.97);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
}
.proj-slide.active {
    opacity: 1;
    transform: scale(1);
    pointer-events: all;
}

/* --- LEFT: mockup panel --- */
.ps-mockup {
    padding: 40px;
    display: flex; align-items: center; justify-content: center;
    background: var(--surface2);
    border-right: 1px solid var(--border);
    position: relative; overflow: hidden;
}

.ps-screen {
    width: 100%; max-width: 380px;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.proj-slide.active:hover .ps-screen {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.6),
                0 0 0 1px var(--proj-color, var(--accent));
}

.ps-topbar {
    background: var(--surface2); padding: 10px 14px;
    display: flex; gap: 7px; align-items: center;
    border-bottom: 1px solid var(--border);
}
.ps-dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--border);
}
.ps-dot:nth-child(1) { background: #ff5f57; }
.ps-dot:nth-child(2) { background: #ffbd2e; }
.ps-dot:nth-child(3) { background: #28c941; }

.ps-body {
    height: 220px;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 12px; position: relative;
}

/* Screenshot variant — fills the body */
.ps-screen.has-img .ps-body {
    height: 240px;
    padding: 0;
    overflow: hidden;
}

.ps-screenshot {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: top left;
    display: block;
    transition: transform 6s ease;
}
/* Slow pan effect on hover — reveals more of the screenshot */
.proj-slide.active:hover .ps-screenshot {
    transform: translateY(-30%);
}

/* Fallback block (same layout as default) */
.ps-fallback {
    width: 100%; height: 100%;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 12px;
}

/* Topbar title when screenshot is present */
.ps-topbar-title {
    margin-left: 10px;
    font-size: 0.65rem; color: var(--text-dim);
    font-family: monospace;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    flex: 1;
}
.ps-num {
    font-size: 5.5rem; font-weight: 900;
    color: var(--proj-color, var(--accent));
    opacity: 0.12; font-family: monospace;
    position: absolute; user-select: none;
    transition: opacity 0.3s;
}
.proj-slide.active:hover .ps-num { opacity: 0.22; }
.ps-icon {
    font-size: 3.5rem; position: relative; z-index: 1;
    filter: drop-shadow(0 4px 16px rgba(0,0,0,0.4));
    animation: floatIcon 3s ease-in-out infinite;
}
@keyframes floatIcon {
    0%,100% { transform: translateY(0); }
    50%      { transform: translateY(-8px); }
}

.ps-glow {
    position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(circle at 50% 60%,
        var(--proj-color, var(--accent)) 0%,
        transparent 65%);
    opacity: 0.07;
    transition: opacity 0.3s;
}
.proj-slide.active:hover .ps-glow { opacity: 0.14; }

/* --- RIGHT: info panel --- */
.ps-info {
    padding: 40px 44px;
    display: flex; flex-direction: column; justify-content: center;
    gap: 0;
}

.ps-label {
    font-size: 0.7rem; color: var(--accent);
    font-family: monospace; letter-spacing: 1.5px;
    text-transform: uppercase; margin-bottom: 10px;
}
.ps-title {
    font-size: 1.5rem; font-weight: 800; color: var(--white);
    line-height: 1.25; margin-bottom: 20px;
}
.ps-desc {
    background: var(--bg); border: 1px solid var(--border);
    border-radius: 8px; padding: 16px 18px;
    margin-bottom: 20px;
}
.ps-desc p {
    font-size: 0.86rem; line-height: 1.75; color: var(--text-dim);
}
.ps-tech {
    list-style: none; display: flex; flex-wrap: wrap; gap: 10px;
    margin-bottom: 24px;
}
.ps-tech li {
    font-size: 0.72rem; color: var(--text-dim);
    font-family: monospace; letter-spacing: 0.5px;
}
.ps-tech li::before { content: '▸ '; color: var(--accent); }

.ps-links { display: flex; gap: 14px; }
.ps-link {
    display: inline-flex; align-items: center; gap: 7px;
    background: transparent; color: var(--text-dim);
    border: 1px solid var(--border); border-radius: 4px;
    padding: 8px 16px; font-size: 0.78rem; font-weight: 600;
    text-decoration: none; letter-spacing: 0.3px;
    transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.15s;
}
.ps-link:hover {
    color: var(--accent); border-color: var(--accent);
    background: rgba(100,255,218,0.06); transform: translateY(-2px);
}

/* --- Controls --- */
.proj-controls {
    display: flex; align-items: center; justify-content: center;
    gap: 16px; padding: 18px 24px 14px;
    background: var(--surface2);
    border-top: 1px solid var(--border);
}

.pc-arrow {
    width: 36px; height: 36px; border-radius: 6px;
    background: var(--surface); border: 1px solid var(--border);
    color: var(--text-dim);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: color 0.2s, border-color 0.2s, background 0.2s, transform 0.15s;
    flex-shrink: 0;
}
.pc-arrow:hover {
    color: var(--accent); border-color: var(--accent);
    background: rgba(100,255,218,0.08); transform: scale(1.08);
}

.pc-dots {
    display: flex; align-items: center; gap: 8px; flex: 1; justify-content: center;
}
.pc-dot {
    width: 28px; height: 6px; border-radius: 3px;
    background: var(--border); border: none; cursor: pointer; padding: 0;
    position: relative; overflow: hidden;
    transition: background 0.3s, width 0.3s;
}
.pc-dot.active { width: 48px; background: var(--surface2); }
.pc-dot-fill {
    position: absolute; inset: 0; background: var(--accent);
    transform-origin: left; transform: scaleX(0);
}
.pc-dot.active .pc-dot-fill {
    animation: dotProgress var(--slide-duration, 4s) linear forwards;
}
@keyframes dotProgress {
    from { transform: scaleX(0); }
    to   { transform: scaleX(1); }
}

/* --- Progress bar --- */
.pc-progress {
    height: 3px; background: var(--border);
    position: relative; overflow: hidden;
}
.pc-progress-fill {
    height: 100%; background: var(--accent);
    transform-origin: left; transform: scaleX(0);
    transition: none;
}
.pc-progress-fill.running {
    animation: progressBar var(--slide-duration, 4s) linear forwards;
}
@keyframes progressBar {
    from { transform: scaleX(0); }
    to   { transform: scaleX(1); }
}

/* ── EDUCATION / TIMELINE ── */
#education { background: var(--bg2); }

.timeline {
    position: relative; padding-left: 40px;
    display: flex; flex-direction: column; gap: 36px;
    margin-bottom: 50px;
}
.tl-line {
    position: absolute; left: 7px; top: 8px; bottom: 8px;
    width: 2px; background: var(--border);
}
.tl-item { position: relative; }

.tl-dot {
    position: absolute; left: -36px; top: 6px;
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--bg2); border: 2px solid var(--accent);
    z-index: 1;
    transition: background 0.2s;
}
.tl-item:hover .tl-dot { background: var(--accent); }

.tl-year {
    font-size: 0.72rem; color: var(--accent);
    font-family: monospace; letter-spacing: 1px;
    display: block; margin-bottom: 4px;
}
.tl-title {
    font-size: 1rem; font-weight: 700; color: var(--white);
    margin-bottom: 4px;
}
.tl-place { font-size: 0.82rem; color: var(--text-dim); }

/* Cert highlight */
.cert-highlight {
    background: var(--surface); border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 8px; padding: 22px 24px;
    display: flex; align-items: center; gap: 20px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.cert-highlight:hover {
    transform: translateX(4px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}
.cert-hl-icon { font-size: 2.2rem; flex-shrink: 0; }
.cert-hl-label {
    font-size: 0.7rem; color: var(--accent);
    text-transform: uppercase; letter-spacing: 1px;
    font-family: monospace; margin-bottom: 4px;
}
.cert-hl-title { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 4px; }
.cert-hl-issuer { font-size: 0.8rem; color: var(--text-dim); margin-bottom: 8px; }
.cert-hl-code {
    font-size: 0.72rem; font-family: monospace;
    background: rgba(100,255,218,0.08); color: var(--accent);
    padding: 3px 10px; border-radius: 4px;
}

/* ── CONTACT ── */
#contact { background: var(--bg); }

.contact-wrap { text-align: center; max-width: 760px; }

.contact-pre {
    font-size: 0.85rem; color: var(--accent);
    font-family: monospace; letter-spacing: 1px; margin-bottom: 14px;
}
.contact-heading {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 900; color: var(--white); margin-bottom: 18px;
}
.contact-body {
    font-size: 0.93rem; line-height: 1.8; color: var(--text-dim);
    max-width: 520px; margin: 0 auto 40px;
}

.contact-cards {
    display: flex; justify-content: center; flex-wrap: wrap; gap: 16px;
    margin-bottom: 50px;
}
.contact-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 12px; padding: 20px 24px;
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    min-width: 180px; text-decoration: none;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.contact-card:hover {
    border-color: var(--accent); transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.cc-icon  { font-size: 1.6rem; }
.cc-label { font-size: 0.68rem; color: var(--accent); letter-spacing: 1px; text-transform: uppercase; }
.cc-value { font-size: 0.8rem; color: var(--text-dim); word-break: break-all; text-align: center; }

/* Contact form */
.contact-form-block {
    text-align: left;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 12px; padding: 36px;
}
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.cf-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.cf-group:last-child { margin-bottom: 0; }

.cf-group label {
    font-size: 0.78rem; font-weight: 600; color: var(--text-dim);
    letter-spacing: 0.5px;
}
.cf-group input,
.cf-group textarea {
    background: var(--bg); border: 1px solid var(--border);
    color: var(--text); padding: 12px 14px;
    border-radius: 6px; font-size: 0.88rem;
    font-family: inherit; outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    resize: vertical;
}
.cf-group input:focus,
.cf-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(100,255,218,0.1);
}
.cf-group input::placeholder,
.cf-group textarea::placeholder { color: var(--border); }

.cf-submit {
    margin-top: 8px; background: transparent; color: var(--accent);
    border: 1px solid var(--accent); border-radius: 4px;
    padding: 14px 32px; font-size: 0.88rem; font-weight: 700;
    cursor: pointer; display: flex; align-items: center; gap: 10px;
    transition: background 0.2s, transform 0.15s;
    letter-spacing: 0.5px;
}
.cf-submit:hover { background: rgba(100,255,218,0.1); transform: translateY(-2px); }
.cf-arrow { font-size: 1.1rem; transition: transform 0.2s; }
.cf-submit:hover .cf-arrow { transform: translateX(4px); }
.cf-submit.sent { border-color: #28c941; color: #28c941; }

/* ── FOOTER ── */
footer {
    background: var(--bg2);
    border-top: 1px solid var(--border);
    padding: 40px 80px;
}
.footer-inner {
    max-width: 1000px; margin: 0 auto;
    display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.footer-logo {
    font-size: 1.4rem; font-weight: 900; color: var(--white);
    text-decoration: none; margin-bottom: 4px;
}
.footer-copy { font-size: 0.8rem; color: var(--text-dim); }
.footer-copy.muted { font-size: 0.74rem; color: var(--border); }
.footer-copy strong { color: var(--accent); }

.footer-nav {
    display: flex; gap: 22px; margin-top: 10px;
}
.footer-nav a {
    color: var(--text-dim); font-size: 0.76rem;
    text-decoration: none; transition: color 0.2s;
}
.footer-nav a:hover { color: var(--accent); }

/* ── TOAST ── */
#toast {
    position: fixed; bottom: 28px; right: 28px; z-index: 9999;
    background: #0d7a5f; color: #fff;
    padding: 12px 22px; border-radius: 8px;
    font-size: 0.85rem; font-weight: 600;
    opacity: 0; transform: translateY(14px);
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
}
#toast.show { opacity: 1; transform: translateY(0); }

/* ── BACK TO TOP ── */
#btt {
    position: fixed; bottom: 28px; left: 28px; z-index: 499;
    width: 42px; height: 42px; border-radius: 6px;
    background: var(--surface); border: 1px solid var(--accent);
    color: var(--accent); font-size: 1rem; font-weight: 700;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    opacity: 0; transform: translateY(12px);
    transition: opacity 0.3s, transform 0.3s, background 0.2s;
    pointer-events: none;
}
#btt.show { opacity: 1; transform: translateY(0); pointer-events: all; }
#btt:hover { background: rgba(100,255,218,0.1); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    #hero { padding: 100px 48px 60px; }
    section { padding: 80px 48px; }
    footer  { padding: 40px 48px; }
    .hero-code { display: none; }
    #hero { grid-template-columns: 1fr; }
    .hero-content { max-width: 100%; }
}

@media (max-width: 768px) {
    #nav { padding: 0 20px; }
    .nav-links { display: none; }
    .nav-burger { display: flex; }
    #hero, section, footer { padding-left: 24px; padding-right: 24px; }
    .about-layout { grid-template-columns: 1fr; gap: 40px; }
    .about-photo-wrap { order: -1; }
    .skills-container { grid-template-columns: 1fr; }
    .proj-item, .proj-reverse { grid-template-columns: 1fr; direction: ltr; }
    .proj-mockup { order: -1; }
    .contact-form-block { padding: 24px; }
    .cf-row { grid-template-columns: 1fr; }
    .about-details { grid-template-columns: 1fr; }
    #cursor-dot, #cursor-ring { display: none; }
    body { cursor: auto; }

    /* Carousel stacks vertically on mobile */
    .proj-slide { grid-template-columns: 1fr; }
    .ps-mockup { border-right: none; border-bottom: 1px solid var(--border); padding: 28px; }
    .ps-info   { padding: 28px; }
    .ps-title  { font-size: 1.2rem; }
}

@media (max-width: 480px) {
    .hero-name { font-size: 2.2rem; }
    .hero-actions { flex-direction: column; align-items: flex-start; }
    .hero-stats { gap: 20px; }
    .stat-value { font-size: 1.6rem; }
    .ps-links { flex-wrap: wrap; }
}