/* ============================================================
   ALEXANDER FERNANDEZ — GLOBAL STYLESHEET
   Futuristic glassmorphism design  ·  v7
   ============================================================ */

/* ── CSS Variables ───────────────────────────────────────────── */
:root {
    /* Core palette */
    --color-bg:           #070d1e;
    --color-bg-alt:       #0a1228;
    --color-surface:      rgba(10, 17, 42, 0.78);
    --color-surface-alt:  rgba(5, 10, 28, 0.85);
    --color-border:       rgba(0, 212, 255, 0.12);
    --color-border-hover: rgba(0, 212, 255, 0.35);

    /* Accents — neon cyan + electric violet */
    --color-accent:       #00d4ff;
    --color-accent-dark:  #00a8cc;
    --color-accent-light: #67e8f9;
    --color-accent2:      #a855f7;
    --color-accent2-dark: #9333ea;

    /* Gradient shortcuts */
    --gradient:      linear-gradient(135deg, #00d4ff 0%, #a855f7 100%);
    --gradient-btn:  linear-gradient(135deg, #00bcd4 0%, #7c3aed 100%);
    --gradient-text: linear-gradient(135deg, #00d4ff 0%, #c084fc 100%);
    --glow-cyan:     rgba(0, 212, 255, 0.28);
    --glow-violet:   rgba(168, 85, 247, 0.22);

    /* Text */
    --color-white:       #f1f5f9;
    --color-text:        #cbd5e1;
    --color-text-muted:  #94a3b8;
    --color-muted:       #64748b;

    /* Status */
    --color-success:  #22c55e;
    --color-error:    #ef4444;
    --color-warning:  #f59e0b;

    /* Sizing */
    --max-width:  1100px;
    --nav-height: 3.75rem;

    --radius-sm:   0.375rem;
    --radius-md:   0.625rem;
    --radius-lg:   1rem;
    --radius-xl:   1.5rem;
    --radius-full: 9999px;

    --shadow-glow: 0 0 28px var(--glow-cyan), 0 4px 24px rgba(0,0,0,0.5);
    --transition:  220ms ease;
    --transition-slow: 480ms ease;
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
img, svg { max-width: 100%; display: block; }
ul, ol   { list-style: none; }
button   { font-family: inherit; }

/* ── Base ────────────────────────────────────────────────────── */
body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    /* Subtle ambient radial glow on the background itself */
    background-image:
        radial-gradient(ellipse 70% 50% at 15% 10%,  rgba(0,212,255,0.045)  0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 85% 90%,  rgba(168,85,247,0.04)  0%, transparent 60%);
    background-attachment: fixed;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-light); }

/* ── Typography ──────────────────────────────────────────────── */
h1,h2,h3,h4,h5,h6 {
    line-height: 1.2;
    color: var(--color-white);
    font-weight: 800;
    letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem,   5vw, 3.25rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1rem,   2vw, 1.2rem); }
p  { color: var(--color-text-muted); max-width: 70ch; }

/* ── Utility ─────────────────────────────────────────────────── */
.accent {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.required   { color: var(--color-error); font-weight: 600; }
.text-muted { color: var(--color-text-muted); }
.sr-only    { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); }

/* ── Keyframes ───────────────────────────────────────────────── */
@keyframes float {
    0%, 100% { transform: translateY(0px);   }
    50%       { transform: translateY(-10px); }
}

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

@keyframes orb-drift {
    0%, 100% { transform: translate(0px,    0px)   scale(1);   }
    33%       { transform: translate(40px,  -25px)  scale(1.08); }
    66%       { transform: translate(-25px,  35px)  scale(0.93); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.55; }
}

@keyframes cursor-blink {
    0%, 49% { opacity: 1; }
    50%, 100%{ opacity: 0; }
}

@keyframes shimmer {
    0%   { background-position: -200% center; }
    100% { background-position:  200% center; }
}

@keyframes count-up {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: none; }
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: background var(--transition), color var(--transition),
                border-color var(--transition), transform var(--transition),
                box-shadow var(--transition);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    background: var(--gradient-btn);
    color: #fff;
    box-shadow: 0 0 18px var(--glow-cyan), 0 3px 12px rgba(0,0,0,0.35);
}
.btn-primary:hover {
    box-shadow: 0 0 32px var(--glow-cyan), 0 0 14px var(--glow-violet), 0 6px 20px rgba(0,0,0,0.5);
    color: #fff;
}

.btn-outline {
    background: transparent;
    border-color: rgba(0, 212, 255, 0.45);
    color: var(--color-accent);
}
.btn-outline:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--color-accent);
    box-shadow: 0 0 18px var(--glow-cyan);
    color: var(--color-accent-light);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
    border-color: transparent;
}
.btn-ghost:hover {
    color: var(--color-white);
    background: rgba(255,255,255,0.06);
}

.btn-full { width: 100%; }
.btn-lg   { padding: 0.75rem 2rem; font-size: 1rem; }

/* ── Tags / Chips ────────────────────────────────────────────── */
.tag {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent-light);
    border: 1px solid rgba(0, 212, 255, 0.25);
    border-radius: var(--radius-full);
    padding: 0.2rem 0.7rem;
    font-size: 0.75rem;
    font-weight: 500;
}

/* ── Alerts ──────────────────────────────────────────────────── */
.alert {
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-left: 4px solid transparent;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.alert-success {
    background: rgba(34,197,94,0.1);
    border-color: var(--color-success);
    color: #86efac;
    box-shadow: 0 0 20px rgba(34,197,94,0.1);
}
.alert-error {
    background: rgba(239,68,68,0.1);
    border-color: var(--color-error);
    color: #fca5a5;
    box-shadow: 0 0 20px rgba(239,68,68,0.1);
}

/* ── Navbar ──────────────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(7, 13, 30, 0.82);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    transition: background var(--transition-slow), box-shadow var(--transition-slow);
}
.site-header.scrolled {
    background: rgba(7, 13, 30, 0.97);
    box-shadow: 0 4px 30px rgba(0,0,0,0.6), 0 1px 0 rgba(0,212,255,0.12);
}

.navbar { height: var(--nav-height); }

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    text-decoration: none;
}
.brand-name {
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: -0.01em;
}
.brand-title {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.2rem;
}

.nav-link {
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--color-white); background: rgba(255,255,255,0.06); }
.nav-link.active {
    color: var(--color-accent);
    background: rgba(0, 212, 255, 0.08);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
}
.nav-toggle span {
    display: block;
    width: 1.5rem;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

/* ── Site main ───────────────────────────────────────────────── */
.site-main { min-height: calc(100vh - var(--nav-height) - 10rem); }

/* ── Page Hero (inner pages) ─────────────────────────────────── */
.page-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg,
        rgba(0,212,255,0.07) 0%,
        rgba(7,13,30,0.95) 50%,
        rgba(168,85,247,0.06) 100%);
    border-bottom: 1px solid var(--color-border);
    padding: 4rem 1.25rem 3rem;
    text-align: center;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,212,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,212,255,0.035) 1px, transparent 1px);
    background-size: 44px 44px;
    pointer-events: none;
}
.page-hero-container {
    position: relative;
    z-index: 1;
    max-width: var(--max-width);
    margin: 0 auto;
}
.page-title {
    font-size: clamp(1.8rem,4vw,2.75rem);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.page-subtitle { color: var(--color-text-muted); margin: 0 auto; font-size: 1rem; }

/* ── Sections ────────────────────────────────────────────────── */
.section { padding: 5rem 1.25rem; }
.section-container { max-width: var(--max-width); margin: 0 auto; }

.section-header   { text-align: center; margin-bottom: 3rem; }
.section-title {
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, #f1f5f9 0%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-subtitle { color: var(--color-text-muted); margin: 0 auto; max-width: 55ch; }
.section-cta      { text-align: center; margin-top: 2.5rem; }

/* ── Hero Section ────────────────────────────────────────────── */
.hero {
    position: relative;
    overflow: hidden;
    padding: 6rem 1.25rem 5rem;
    background: linear-gradient(160deg, #0a1628 0%, #070d1e 55%, #090c20 100%);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

/* Ambient orbs */
.hero::before {
    content: '';
    position: absolute;
    width: 560px; height: 560px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,212,255,0.13) 0%, transparent 70%);
    top: -180px; right: -80px;
    animation: orb-drift 14s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}
.hero::after {
    content: '';
    position: absolute;
    width: 440px; height: 440px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168,85,247,0.11) 0%, transparent 70%);
    bottom: -120px; left: -60px;
    animation: orb-drift 18s ease-in-out infinite reverse;
    pointer-events: none;
    z-index: 0;
}

.hero-container {
    position: relative;
    z-index: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}
.hero-text { flex: 1; }
.hero-eyebrow {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-accent);
    margin-bottom: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.hero-eyebrow::before {
    content: '';
    display: inline-block;
    width: 2rem;
    height: 2px;
    background: var(--gradient);
    border-radius: 2px;
}
.hero-name {
    margin-bottom: 0.6rem;
    line-height: 1.1;
}
.hero-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    color: var(--color-text-muted);
    font-size: 1rem;
    margin-bottom: 1.4rem;
}
.hero-license {
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent-light);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-full);
    padding: 0.15rem 0.65rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}
.hero-tagline {
    font-size: 1.05rem;
    margin-bottom: 2.25rem;
    max-width: 52ch;
    line-height: 1.75;
    color: var(--color-text-muted);
}
.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* Hero badge — floating circle with spinning neon ring */
.hero-badge { flex-shrink: 0; }

.badge-circle {
    position: relative;
    width: 12rem;
    height: 12rem;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, rgba(0,212,255,0.12) 0%, rgba(7,13,30,0.95) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 0 40px rgba(0,212,255,0.2),
        0 0 80px rgba(168,85,247,0.12),
        inset 0 0 30px rgba(0,212,255,0.05);
    animation: float 7s ease-in-out infinite;
    border: 2px solid rgba(0,212,255,0.25);
}
.badge-circle::before {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 50%;
    background: conic-gradient(
        from 0deg,
        transparent 0deg,
        #00d4ff 70deg,
        #a855f7 130deg,
        transparent 200deg,
        #00d4ff 300deg,
        transparent 360deg
    );
    animation: spin-ring 4s linear infinite;
    /* Mask to show only the outer ring; inner area stays transparent so logo remains visible */
    -webkit-mask: radial-gradient(circle, transparent 90%, black 90%);
    mask: radial-gradient(circle, transparent 90%, black 90%);
}

.badge-initials {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-white);
    letter-spacing: 0.05em;
}
.badge-credential {
    font-size: 0.73rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 0.3rem;
}
.badge-logo {
    width: 8rem;
    height: 8rem;
    object-fit: contain;
    filter: drop-shadow(0 0 14px rgba(0,212,255,0.45)) drop-shadow(0 0 28px rgba(168,85,247,0.2));
}

/* ── Stats Bar ───────────────────────────────────────────────── */
.stats-bar {
    background: rgba(5, 10, 28, 0.9);
    border-bottom: 1px solid rgba(0,212,255,0.1);
    padding: 1.75rem 1.25rem;
    backdrop-filter: blur(10px);
}
.stats-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 1rem;
}
.stat-item { text-align: center; }
.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}
.stat-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 0.15rem;
}

/* ── Skills Grid ─────────────────────────────────────────────── */
.skills-section { background: var(--color-bg); }
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
    gap: 1.25rem;
}
.skill-card {
    background: var(--color-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.6rem;
    transition: border-color var(--transition), transform var(--transition),
                box-shadow var(--transition);
}
.skill-card:hover {
    border-color: rgba(0,212,255,0.4);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4), 0 0 24px var(--glow-cyan);
}
.skill-icon  { font-size: 2rem; margin-bottom: 0.85rem; }
.skill-title { font-size: 1rem; margin-bottom: 0.5rem; color: var(--color-white); }
.skill-desc  { font-size: 0.875rem; color: var(--color-text-muted); max-width: none; }

/* ── Tech Grid ───────────────────────────────────────────────── */
.tech-section { background: var(--color-bg-alt); }
.tech-grid { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.tech-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.65rem 1rem;
    min-width: 5.25rem;
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.tech-badge:hover {
    border-color: rgba(0,212,255,0.4);
    box-shadow: 0 0 16px var(--glow-cyan);
    transform: translateY(-2px);
}
.tech-label { font-size: 0.875rem; font-weight: 700; color: var(--color-white); }
.tech-cat   { font-size: 0.65rem; color: var(--color-accent); font-weight: 600; margin-top: 0.15rem; letter-spacing: 0.04em; }

/* ── Projects Section ────────────────────────────────────────── */
.projects-section { background: var(--color-bg); }
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
    gap: 1.25rem;
    margin-bottom: 1rem;
}
.project-card {
    background: var(--color-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    transition: border-color var(--transition), transform var(--transition),
                box-shadow var(--transition);
    position: relative;
    overflow: hidden;
}
.project-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity var(--transition);
}
.project-card:hover {
    border-color: rgba(0,212,255,0.35);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.45), 0 0 20px var(--glow-cyan);
}
.project-card:hover::before { opacity: 1; }
.project-header { display: flex; justify-content: space-between; align-items: center; }
.project-year   { font-size: 0.75rem; color: var(--color-accent); font-weight: 700; }
.project-type   {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    background: var(--color-surface-alt);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
}
.project-name { font-size: 1rem; color: var(--color-white); font-weight: 700; }
.project-desc { font-size: 0.85rem; color: var(--color-text-muted); max-width: none; flex: 1; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; }

/* ── Summary Section ─────────────────────────────────────────── */
.summary-section { background: var(--color-bg-alt); }
.summary-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: var(--color-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}
.summary-text p { margin-bottom: 1rem; max-width: none; }
.summary-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem; }
.detail-list { display: flex; flex-direction: column; gap: 0.75rem; }
.detail-list li {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 0.75rem;
}
.detail-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    font-weight: 700;
}
.detail-value { font-size: 0.9rem; color: var(--color-text); }

/* ── CTA Banner ──────────────────────────────────────────────── */
.cta-banner {
    position: relative;
    overflow: hidden;
    padding: 5rem 1.25rem;
    text-align: center;
    background: linear-gradient(135deg,
        rgba(0,212,255,0.1) 0%,
        rgba(7,13,30,0.97) 50%,
        rgba(168,85,247,0.08) 100%);
    border-top: 1px solid rgba(0,212,255,0.12);
    border-bottom: 1px solid rgba(168,85,247,0.1);
}
.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
    background-size: 44px 44px;
    pointer-events: none;
}
.cta-container { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
.cta-title {
    color: var(--color-white);
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, #fff 0%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.cta-sub { color: var(--color-text-muted); margin: 0 auto 2rem; }
.cta-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.cta-banner .btn-primary {
    background: #fff;
    color: #070d1e;
    font-weight: 700;
    box-shadow: 0 0 24px rgba(255,255,255,0.25);
}
.cta-banner .btn-primary:hover {
    background: rgba(255,255,255,0.92);
    box-shadow: 0 0 40px rgba(255,255,255,0.35);
}
.cta-banner .btn-outline {
    border-color: rgba(255,255,255,0.35);
    color: #fff;
    box-shadow: none;
}
.cta-banner .btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.7);
    box-shadow: none;
}

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
    background: rgba(5, 10, 28, 0.95);
    border-top: 1px solid rgba(0,212,255,0.1);
    padding: 3.5rem 1.25rem 1.75rem;
}
.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}
.footer-heading {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    font-weight: 800;
}
.footer-text    { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.7; max-width: none; }
.footer-links   { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-accent); }
.footer-contact { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-contact li { font-size: 0.875rem; color: var(--color-text-muted); }
.footer-contact a  { color: var(--color-text-muted); }
.footer-contact a:hover { color: var(--color-accent); }
.footer-bottom  { max-width: var(--max-width); margin: 1.5rem auto 0; text-align: center; }
.footer-bottom p { font-size: 0.78rem; color: var(--color-muted); margin: 0; max-width: none; }

/* ── Forms ───────────────────────────────────────────────────── */
.form-group   { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1.25rem; }
.form-label   { font-size: 0.875rem; font-weight: 600; color: var(--color-text); }
.form-input {
    background: rgba(0, 212, 255, 0.04);
    border: 1px solid rgba(0, 212, 255, 0.16);
    border-radius: var(--radius-md);
    padding: 0.7rem 1rem;
    color: var(--color-text);
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    width: 100%;
}
.form-input::placeholder { color: var(--color-muted); }
.form-input:focus {
    border-color: var(--color-accent);
    background: rgba(0, 212, 255, 0.07);
    box-shadow: 0 0 0 3px rgba(0,212,255,0.12), 0 0 20px rgba(0,212,255,0.08);
}
.form-textarea { resize: vertical; min-height: 8rem; }
.form-row      { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: 0.75rem;
    max-width: none;
}

/* ── Contact Page ────────────────────────────────────────────── */
.contact-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem 1.25rem;
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 2.5rem;
    align-items: start;
}

.contact-form-wrap {
    background: var(--color-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}
.contact-form-title { margin-bottom: 1.5rem; font-size: 1.25rem; }

.sidebar-card {
    background: var(--color-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.sidebar-card:hover {
    border-color: rgba(0,212,255,0.25);
    box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.sidebar-heading {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 1rem;
    font-weight: 700;
}
.sidebar-text { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.7; max-width: none; }

.contact-details { display: flex; flex-direction: column; gap: 1rem; }
.contact-detail-item { display: flex; gap: 0.75rem; align-items: flex-start; }
.contact-detail-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.1rem; }
.contact-detail-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    font-weight: 700;
    margin-bottom: 0.2rem;
}
.contact-detail-value { display: block; font-size: 0.875rem; color: var(--color-text-muted); }
.contact-detail-value a { color: var(--color-text-muted); }
.contact-detail-value a:hover { color: var(--color-accent); }

/* ── Quote Page ──────────────────────────────────────────────── */
.quote-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem 1.25rem;
    display: grid;
    grid-template-columns: 1fr 300px;
    grid-template-rows: auto auto;
    gap: 2rem;
}
.quote-services      { grid-column: 1 / 2; }
.quote-form-wrap {
    grid-column: 1 / 2;
    background: var(--color-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}
.quote-sidebar   { grid-column: 2 / 3; grid-row: 1 / 3; }
.quote-section-title { margin-bottom: 1.5rem; font-size: 1.25rem; }

/* Service group headers */
.service-group-header {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1.1rem;
    background: rgba(0, 212, 255, 0.06);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    margin-top: 2rem;
    backdrop-filter: blur(8px);
}
.service-group-header:first-of-type { margin-top: 0; }
.service-group-header--electrical {
    background: rgba(245,158,11,0.07);
    border-color: rgba(245,158,11,0.25);
}
.service-group-icon  { font-size: 1.5rem; line-height: 1; }
.service-group-title { display: block; font-size: 0.95rem; font-weight: 700; color: var(--color-white); }
.service-group-sub   { display: block; font-size: 0.75rem; color: var(--color-text-muted); margin-top: 0.1rem; }

.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
    gap: 1rem;
    margin-bottom: 0.5rem;
}
.service-card {
    background: var(--color-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    transition: border-color var(--transition), transform var(--transition),
                box-shadow var(--transition);
    cursor: default;
}
.service-card:hover {
    border-color: rgba(0,212,255,0.45);
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(0,0,0,0.4), 0 0 18px var(--glow-cyan);
}
.service-card--selected {
    border-color: var(--color-accent);
    background: rgba(0, 212, 255, 0.07);
    box-shadow: 0 0 20px var(--glow-cyan);
}
.service-card--electrical         { border-color: rgba(245,158,11,0.3); }
.service-card--electrical:hover    { border-color: var(--color-warning); box-shadow: 0 8px 28px rgba(0,0,0,0.4), 0 0 18px rgba(245,158,11,0.25); }
.service-card--electrical.service-card--selected { border-color: var(--color-warning); background: rgba(245,158,11,0.07); box-shadow: 0 0 20px rgba(245,158,11,0.2); }

.service-card-icon  { font-size: 2rem; }
.service-card-title { font-size: 1rem; color: var(--color-white); margin: 0; }
.service-card-desc  { font-size: 0.85rem; color: var(--color-text-muted); max-width: none; flex: 1; }
.service-includes   { font-size: 0.8rem; color: var(--color-text-muted); display: flex; flex-direction: column; gap: 0.3rem; }
.service-includes li::before { content: '✓ '; color: var(--color-success); font-weight: 700; }
.service-price-note {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-warning);
    background: rgba(245,158,11,0.1);
    border: 1px solid rgba(245,158,11,0.2);
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.65rem;
    max-width: none;
}
.service-ideal      { font-size: 0.78rem; color: var(--color-muted); max-width: none; }
.service-select-btn { margin-top: auto; }

.radio-group { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(0,212,255,0.2);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.875rem;
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
    background: rgba(0,212,255,0.03);
}
.radio-label:hover, .radio-selected {
    border-color: var(--color-accent);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 10px var(--glow-cyan);
}
.radio-input { accent-color: var(--color-accent); }
.radio-icon  { font-size: 1rem; }
.radio-text  { color: var(--color-text); font-weight: 500; }

.why-list    { display: flex; flex-direction: column; gap: 0.5rem; }
.why-list li { font-size: 0.875rem; color: var(--color-text-muted); }
.process-list { display: flex; flex-direction: column; gap: 0.6rem; counter-reset: process; list-style: none; }
.process-list li { font-size: 0.875rem; color: var(--color-text-muted); display: flex; gap: 0.5rem; }
.process-list li::before {
    content: counter(process) '.';
    counter-increment: process;
    color: var(--color-accent);
    font-weight: 700;
    flex-shrink: 0;
}

/* ── Biography Page ──────────────────────────────────────────── */
.jump-nav {
    background: rgba(5, 10, 28, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: var(--nav-height);
    z-index: 90;
    overflow-x: auto;
}
.jump-nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
    display: flex;
    gap: 0.25rem;
}
.jump-nav a {
    white-space: nowrap;
    padding: 0.65rem 0.85rem;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
}
.jump-nav a:hover, .jump-nav a.active {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.bio-container { max-width: var(--max-width); margin: 0 auto; padding: 2.5rem 1.25rem; }
.bio-section   { margin-bottom: 3.5rem; padding-bottom: 3.5rem; border-bottom: 1px solid var(--color-border); }
.bio-section:last-child { border-bottom: none; }
.bio-section-title {
    font-size: 1.35rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.65rem;
    position: relative;
    display: inline-block;
    background: linear-gradient(135deg, #f1f5f9, var(--color-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.bio-section-title::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient);
    border-radius: 2px;
}
.bio-section-note { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 1.25rem; max-width: none; }

/* Info grid */
.info-grid { display: grid; grid-template-columns: 1fr; gap: 0; }
.info-row  {
    display: grid;
    grid-template-columns: 9.5rem 1fr;
    gap: 1.5rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid rgba(0,212,255,0.05);
    align-items: start;
}
.info-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding-top: 0.1rem;
}
.info-value { font-size: 0.9rem; color: var(--color-text-muted); min-width: 0; overflow-wrap: break-word; word-break: break-all; }
.info-value a { color: var(--color-accent); word-break: break-all; overflow-wrap: break-word; }

/* Timeline */
.timeline { display: flex; flex-direction: column; gap: 0; position: relative; }
.timeline::before {
    content: '';
    position: absolute;
    left: 0.6rem;
    top: 0.5rem;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-accent2), transparent);
}
.timeline-item { display: flex; gap: 1.5rem; padding-bottom: 2.5rem; position: relative; }
.timeline-dot  {
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-bg);
    margin-top: 0.2rem;
    z-index: 1;
    box-shadow: 0 0 12px var(--glow-cyan);
}
.timeline-content { flex: 1; }
.timeline-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.35rem;
}
.timeline-role { font-size: 1.05rem; color: var(--color-white); font-weight: 700; }
.timeline-period {
    font-size: 0.78rem;
    color: var(--color-accent);
    font-weight: 600;
    background: rgba(0,212,255,0.1);
    border: 1px solid rgba(0,212,255,0.2);
    padding: 0.2rem 0.65rem;
    border-radius: var(--radius-full);
    white-space: nowrap;
}
.timeline-company  { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 0.25rem; }
.timeline-location { font-size: 0.8rem; color: var(--color-muted); margin-bottom: 0.85rem; }
.timeline-duties   { display: flex; flex-direction: column; gap: 0.4rem; padding-left: 1rem; }
.timeline-duties li { font-size: 0.86rem; color: var(--color-text-muted); list-style: disc; }

/* Education */
.edu-list { display: flex; flex-direction: column; gap: 1.25rem; }
.edu-item  {
    display: flex;
    gap: 1.25rem;
    padding: 1.25rem;
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.edu-item:hover {
    border-color: rgba(0,212,255,0.3);
    box-shadow: 0 4px 20px rgba(0,0,0,0.35);
    transform: translateX(4px);
}
.edu-icon   { font-size: 1.5rem; flex-shrink: 0; margin-top: 0.1rem; }
.edu-degree { font-size: 1rem; color: var(--color-white); font-weight: 700; margin-bottom: 0.25rem; }
.edu-school { font-size: 0.9rem; color: var(--color-accent); margin-bottom: 0.15rem; }
.edu-address, .edu-period, .edu-note { font-size: 0.82rem; color: var(--color-text-muted); }

/* Skills table */
.skills-table { display: flex; flex-direction: column; gap: 0.5rem; }
.skills-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.65rem;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition);
}
.skills-row:hover { border-color: rgba(0,212,255,0.25); }
.skills-cat {
    flex-shrink: 0;
    width: 8rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.skills-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* Projects portfolio (biography page) */
.project-year-group  { margin-bottom: 2rem; }
.project-year-heading {
    font-size: 1rem;
    color: var(--color-accent);
    margin-bottom: 0.6rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--color-border);
    font-weight: 700;
}
.project-table  { display: flex; flex-direction: column; gap: 0.1rem; }
.project-row    { display: flex; gap: 1rem; padding: 0.5rem 0; border-bottom: 1px solid rgba(0,212,255,0.04); }
.project-row-name  { flex-shrink: 0; width: 40%; font-size: 0.85rem; color: var(--color-text); font-weight: 500; }
.project-row-scope { font-size: 0.82rem; color: var(--color-text-muted); }

/* Seminars */
.seminar-list { display: flex; flex-direction: column; gap: 0.6rem; }
.seminar-list li { font-size: 0.9rem; color: var(--color-text-muted); padding-left: 1.25rem; position: relative; }
.seminar-list li::before { content: '•'; position: absolute; left: 0; color: var(--color-accent); }

/* Affiliations */
.affiliation-card {
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    transition: border-color var(--transition);
}
.affiliation-card:hover { border-color: rgba(0,212,255,0.3); }
.aff-org  { font-size: 1rem; color: var(--color-white); margin-bottom: 0.35rem; font-weight: 700; }
.aff-role, .aff-address, .aff-tel { font-size: 0.875rem; color: var(--color-text-muted); }

/* References */
.ref-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 1rem; }
.ref-card {
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.ref-card:hover {
    border-color: rgba(0,212,255,0.3);
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(0,0,0,0.35);
}
.ref-name    { font-size: 1rem; color: var(--color-white); font-weight: 700; margin-bottom: 0.25rem; }
.ref-role    { font-size: 0.82rem; color: var(--color-accent); margin-bottom: 0.35rem; }
.ref-contact { font-size: 0.82rem; color: var(--color-text-muted); }

/* Certification */
.certification-statement {
    text-align: center;
    padding: 1.5rem;
    background: var(--color-surface);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    border: 1px solid rgba(0,212,255,0.15);
    box-shadow: 0 0 30px rgba(0,212,255,0.06);
}
.certification-statement p { margin: 0 auto 0.5rem; max-width: none; }
.cert-name { font-size: 1.1rem; color: var(--color-white); font-weight: 700; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
    .hero-container   { flex-direction: column-reverse; text-align: center; }
    .hero-actions     { justify-content: center; }
    .hero-tagline     { margin: 0 auto 2rem; }
    .hero-eyebrow     { justify-content: center; }
    .badge-circle     { width: 8.5rem; height: 8.5rem; }
    .badge-logo       { width: 5.5rem; height: 5.5rem; }
    .summary-card     { grid-template-columns: 1fr; gap: 1.5rem; }
    .contact-container  { grid-template-columns: 1fr; }
    .quote-container    { grid-template-columns: 1fr; }
    .quote-sidebar      { grid-column: 1 / 2; grid-row: auto; }
    .timeline::before   { left: 0.55rem; }
    .project-row        { flex-direction: column; gap: 0.2rem; }
    .project-row-name   { width: auto; }
}

@media (max-width: 640px) {
    .nav-toggle { display: flex; }
    .nav-links  {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0; right: 0;
        background: rgba(7, 13, 30, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--color-border);
        flex-direction: column;
        padding: 0.75rem 1.25rem;
        gap: 0.25rem;
    }
    .nav-links.nav-open { display: flex; }
    .nav-link  { padding: 0.6rem 0.5rem; border-radius: var(--radius-sm); }
    .site-header { position: relative; }

    .form-row  { grid-template-columns: 1fr; }
    .info-row  { grid-template-columns: 1fr; gap: 0.2rem; }
    .info-label { padding-top: 0; }
    .skills-row { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
    .skills-cat { width: auto; }
    .section    { padding: 3rem 1rem; }
    .hero       { padding: 4rem 1rem 3.5rem; }
}