/* ==========================================================================
   REDESIGN v2: violet/cyan "studio" look. Loaded after main.css.
   ========================================================================== */
:root {
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --color-primary: #8b5cf6; --color-primary-hover: #7c3aed; --color-primary-muted: rgba(139,92,246,.14);
  --color-accent: #22d3ee; --color-warm: #fbbf24;
  --color-bg: #07070b; --color-bg-elevated: #0c0c13; --color-bg-card: #11111a; --color-bg-card-hover: #171723;
  --color-border: rgba(255,255,255,.07); --color-border-strong: rgba(255,255,255,.16);
  --shadow-glow: 0 0 48px rgba(139,92,246,.2);
  --radius-lg: 20px; --radius-xl: 28px;
}
[data-theme="light"] {
  --color-bg: #f6f5fb; --color-bg-elevated: #ffffff; --color-bg-card: #ffffff; --color-bg-card-hover: #f1effa;
  --color-border: rgba(20,10,60,.08); --color-border-strong: rgba(20,10,60,.16);
  --color-text: #15112b; --color-text-muted: #4b4766; --color-text-subtle: #6f6b8a;
  --shadow-glow: 0 0 40px rgba(139,92,246,.14);
}
body { font-family: var(--font-sans); background: radial-gradient(900px 520px at 85% -8%, rgba(139,92,246,.22), transparent 60%), radial-gradient(800px 480px at -8% 18%, rgba(34,211,238,.13), transparent 60%), var(--color-bg); background-attachment: fixed; }
h1, h2, h3, .logo, .stat-value { font-family: var(--font-display); }
.scroll-progress { background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); }

/* Floating pill header */
.header { position: fixed !important; top: 12px; left: 50%; right: auto; transform: translateX(-50%); width: min(1120px, calc(100% - 24px)); height: auto; padding: 0; border: 1px solid var(--color-border-strong); border-radius: 999px; background: color-mix(in srgb, var(--color-bg) 62%, transparent); backdrop-filter: blur(18px) saturate(170%); -webkit-backdrop-filter: blur(18px) saturate(170%); box-shadow: var(--shadow-md); }
.header .nav { padding-inline: 1.1rem; }
.logo { font-weight: 700; letter-spacing: .04em; }
.logo span { background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.nav-link { border-radius: 999px; }
.nav-link:hover, .nav-link.active { background: var(--color-primary-muted); color: var(--color-text); }
.mobile-menu { border-radius: 24px; margin-top: 8px; }
@media (max-width: 900px) { .header { border-radius: 26px; } }

/* Hero */
.hero { padding-top: calc(var(--header-height) + 3rem); }
@media (min-width: 960px) { .hero-content { display: grid; grid-template-columns: 1.25fr .75fr; gap: 3.5rem; align-items: center; } }
.hero-greeting { font-family: var(--font-mono); color: var(--color-accent); font-size: .9rem; }
.hero-name { font-family: var(--font-display); font-size: clamp(2.7rem, 9vw, 6rem); line-height: .98; letter-spacing: -.035em; background: linear-gradient(120deg, var(--color-text) 35%, var(--color-primary) 70%, var(--color-accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.hero-title-tag { border-radius: 999px; border: 1px solid var(--color-border-strong); background: var(--color-bg-card); }
.hero-title-tag.is-ai { border-color: var(--color-primary); background: var(--color-primary-muted); }
.hero-tools { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .6rem; margin: 1.2rem 0 0; font-size: .82rem; color: var(--color-text-subtle); }
.hero-tools b { padding: .25rem .65rem; border-radius: 999px; background: var(--color-bg-card); border: 1px solid var(--color-border); color: var(--color-text-muted); font-weight: 600; }
.btn { border-radius: 999px; font-weight: 600; }
.btn-primary { background: linear-gradient(120deg, var(--color-primary), #6d5dfc); border: 0; color: #fff; box-shadow: 0 8px 28px rgba(139,92,246,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(139,92,246,.5); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: .75rem; }
.stat-card { padding: 1rem; border-radius: 18px; background: var(--color-bg-card); border: 1px solid var(--color-border); }
.stat-value { font-size: 1.9rem; font-weight: 700; background: linear-gradient(120deg, var(--color-primary), var(--color-accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-image-wrapper { padding: 10px; border-radius: 34px; background: linear-gradient(140deg, var(--color-primary), var(--color-accent)); transform: rotate(3deg); box-shadow: var(--shadow-glow); max-width: 380px; margin-inline: auto; }
.hero-image { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: 26px !important; transform: rotate(-3deg) scale(1.02); }

/* Sections */
.section-label { font-family: var(--font-mono); color: var(--color-accent); letter-spacing: .12em; text-transform: uppercase; font-size: .78rem; }
.section-title { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.3rem); letter-spacing: -.025em; line-height: 1.05; }
.section-title::after { background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); width: 64px; }
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.1rem; }
.skill-card, .service-card, .timeline-card, .contact-form, .eng-card, .eng-panel { border-radius: var(--radius-lg); background: var(--color-bg-card); border: 1px solid var(--color-border); }
.skill-item, .tech-tag, .project-tech span { border-radius: 999px; }
.project-card:hover, .skill-card:hover, .service-card:hover, .eng-card:hover { border-color: rgba(139,92,246,.55); box-shadow: var(--shadow-md), var(--shadow-glow); }
.eng-card > i, .filter-chip.active { background: var(--color-primary-muted); color: var(--color-primary); }
.filter-chip.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.now-building { border-color: rgba(139,92,246,.35); }

/* Projects: bento-style card grid */
.projects-grid { display: grid !important; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: 1.5rem; }
.project-card { display: flex !important; flex-direction: column; grid-template-columns: none !important; overflow: hidden; border-radius: 26px; background: var(--color-bg-card); border: 1px solid var(--color-border); }
.project-card .project-image { order: 0 !important; aspect-ratio: 16/10; height: auto; margin: 0; }
.project-card .project-image img { width: 100%; height: 100%; object-fit: cover; }
.project-image--logo img { object-fit: contain !important; padding: 1.5rem; }
.project-content { display: flex; flex-direction: column; flex: 1; gap: .8rem; padding: 1.4rem; }
.project-content h3 { font-size: 1.35rem; letter-spacing: -.01em; }
.project-features { display: none; }
.project-links { margin-top: auto; padding-top: .4rem; }

/* AI prompt builders */
.ai-section { background: radial-gradient(700px 360px at 50% 0, rgba(139,92,246,.16), transparent 70%); }
.ai-flow { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); counter-reset: s; margin-bottom: 2.5rem; }
.ai-step { position: relative; padding: 1.4rem 1.3rem 1.3rem; border-radius: var(--radius-lg); background: var(--color-bg-card); border: 1px solid var(--color-border); counter-increment: s; }
.ai-step::before { content: "0" counter(s); display: block; margin-bottom: .6rem; font: 700 1.6rem var(--font-display); background: linear-gradient(120deg, var(--color-primary), var(--color-accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.ai-step h3 { font-size: 1.05rem; margin-bottom: .35rem; }
.ai-step p { font-size: .9rem; line-height: 1.6; color: var(--color-text-muted); margin: 0; }
.ai-tools { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin-bottom: 2.5rem; }
.ai-group { padding: 1.4rem; border-radius: var(--radius-lg); background: var(--color-bg-card); border: 1px solid var(--color-border); }
.ai-group h3 { margin-bottom: 1rem; font-size: .8rem; font-family: var(--font-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--color-text-subtle); font-weight: 500; }
.ai-pills { display: flex; flex-wrap: wrap; gap: .5rem; }
.tool-pill { display: inline-flex; align-items: center; gap: .5rem; padding: .5rem .9rem; border-radius: 999px; border: 1px solid var(--color-border-strong); background: var(--color-bg-elevated); font-weight: 600; font-size: .88rem; transition: var(--transition); }
.tool-pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); }
.tool-pill:hover { transform: translateY(-2px); border-color: var(--color-primary); }
.ai-offer { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-bottom: 2rem; }
.ai-offer .eng-card { background: linear-gradient(160deg, var(--color-primary-muted), var(--color-bg-card) 60%); }
.ai-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.5rem; border-radius: var(--radius-xl); border: 1px solid var(--color-primary); background: var(--color-primary-muted); }
.ai-cta p { margin: 0; max-width: 56ch; font-weight: 500; }
@media (max-width: 640px) { .ai-cta .btn { width: 100%; justify-content: center; } .hero-image-wrapper { max-width: 300px; } }