/* =========================================
VALOIRTECH PORTFOLIO
- Glassmorphism UI
- RGBY logo system only: red, green, blue, yellow
========================================= */
:root  {
    color-scheme: light dark;
    --red: #EA4335;
    --green: #34A853;
    --blue: #4285F4;
    --yellow: #FBBC05;
    --dark: #070b14;
    --surface: rgba(11, 16, 32, 0.68);
    --surface-strong: rgba(9, 14, 26, 0.86);
    --text: #f8fafc;
    --muted: #94a3b8;
    --nav-link: #cbd5e1;
    --line: rgba(255,255,255,.12);
    --glass-border: rgba(255,255,255,.16);
    --glass-highlight: rgba(255,255,255,.12);
    --card-border: rgba(148,163,184,.16);
    --chip-bg: rgba(255,255,255,.06);
    --input-bg: rgba(2,8,23,.34);
    --radius: 26px;
    --radius-sm: 18px;
    --max-width: 1180px;
    --nav-height: 84px;
    --blur-xl: 26px;
    --transition-fast: 180ms ease;
    --transition-base: 280ms ease;
    --shadow-soft: 0 10px 30px rgba(0,0,0,.18);
    --shadow-card: 0 24px 70px rgba(0,0,0,.28);
    --shadow-hover: 0 30px 84px rgba(0,0,0,.35);
    --brand-gradient: linear-gradient(135deg, var(--blue), var(--green) 36%, var(--yellow) 68%, var(--red));
    --page-gradient:
            radial-gradient(circle at 8% 10%, rgba(66,133,244,.24), transparent 26%),
            radial-gradient(circle at 88% 12%, rgba(52,168,83,.18), transparent 24%),
            radial-gradient(circle at 76% 78%, rgba(251,188,5,.16), transparent 24%),
            radial-gradient(circle at 18% 82%, rgba(234,67,53,.15), transparent 24%),
            linear-gradient(180deg, #070b14 0%, #0b1020 48%, #0f172a 100%);
}
@media (prefers-color-scheme: light)  {
    :root  {
        --text: #0f172a;
        --muted: #475569;
        --nav-link: #334155;
        --surface: rgba(255,255,255,.72);
        --surface-strong: rgba(255,255,255,.88);
        --line: rgba(15,23,42,.1);
        --glass-border: rgba(255,255,255,.62);
        --glass-highlight: rgba(255,255,255,.74);
        --card-border: rgba(15,23,42,.08);
        --chip-bg: rgba(255,255,255,.66);
        --input-bg: rgba(255,255,255,.72);
        --shadow-card: 0 24px 58px rgba(15,23,42,.12);
        --shadow-hover: 0 30px 70px rgba(15,23,42,.16);
        --page-gradient:
                radial-gradient(circle at 8% 10%, rgba(66,133,244,.18), transparent 26%),
                radial-gradient(circle at 88% 12%, rgba(52,168,83,.13), transparent 24%),
                radial-gradient(circle at 76% 78%, rgba(251,188,5,.16), transparent 24%),
                radial-gradient(circle at 18% 82%, rgba(234,67,53,.12), transparent 24%),
                linear-gradient(180deg, #fbfdff 0%, #eff6ff 48%, #fff7ed 100%);
    }
}
*,*::before,*::after {
    box-sizing:border-box;
    transition:background-color var(--transition-base),background var(--transition-base),color var(--transition-base),border-color var(--transition-base),box-shadow var(--transition-base),transform var(--transition-fast)
}
html {
    scroll-behavior:smooth
}
body {
    margin:0;
    font-family:"Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    background:var(--page-gradient);
    color:var(--text);
    line-height:1.6;
    min-height:100vh;
    overflow-x:hidden
}
img {
    display:block;
    max-width:100%
}
a {
    color:inherit;
    text-decoration:none
}
button,input,textarea,select {
    font:inherit
}
button {
    background:none;
    border:0;
    color:inherit;
    cursor:pointer
}
.container {
    width:min(100% - 2rem,var(--max-width));
    margin:0 auto
}
.section {
    padding:5.5rem 0
}
.terms:hover {
    color:var(--red)
}
.site-header {
    position:sticky;
    top:0;
    z-index:1000;
    background:rgba(7,11,20,.66);
    backdrop-filter:blur(22px) saturate(170%);
    -webkit-backdrop-filter:blur(22px) saturate(170%);
    border-bottom:1px solid var(--line)
}
@media (prefers-color-scheme:light) {
    .site-header {
        background:rgba(255,255,255,.72)
    }
}
.site-nav {
    min-height:var(--nav-height);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:1rem
}
.brand {
    display:inline-flex;
    align-items:center;
    gap:.85rem;
    font-weight:900;
    letter-spacing:-.04em
}

.brand-logo-frame {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    line-height:0
}

.hero-logo-frame {
    display:block;
    width:100%
}
.brand-logo {
    width:3.2rem;
    height:3.2rem;
    object-fit:contain;
    padding:.08rem;
    border-radius:1rem;
    border:1px solid var(--glass-border);
    background:rgba(255,255,255,.08);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 12px 28px rgba(0,0,0,.28);
    filter:drop-shadow(0 12px 22px rgba(0,0,0,.26))
}
.brand-text {
    font-size:1.1rem
}
.brand-text span {
    background:var(--brand-gradient);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent
}
.nav-panel {
    display:flex;
    align-items:center;
    gap:1.2rem
}
.nav-links {
    display:flex;
    align-items:center;
    gap:1.3rem;
    list-style:none;
    padding:0;
    margin:0
}
.nav-links a {
    color:var(--nav-link);
    font-weight:600
}
.nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active {
    color:var(--text)
}
.nav-actions {
    display:flex;
    align-items:center;
    gap:.75rem
}
.menu-toggle {
    display:none;
    width:2.8rem;
    height:2.8rem;
    border-radius:14px;
    border:1px solid var(--line);
    background:var(--chip-bg);
    backdrop-filter:blur(12px)
}
.menu-toggle span,.menu-toggle::before,.menu-toggle::after {
    content:"";
    display:block;
    width:1.2rem;
    height:2px;
    background:currentColor;
    margin:.23rem auto
}
.menu-toggle[aria-expanded="true"] span {
    opacity:0
}
.menu-toggle[aria-expanded="true"]::before {
    transform:translateY(6px) rotate(45deg)
}
.menu-toggle[aria-expanded="true"]::after {
    transform:translateY(-6px) rotate(-45deg)
}
.btn {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:.55rem;
    min-height:3rem;
    padding:.84rem 1.18rem;
    border-radius:999px;
    border:1px solid transparent;
    font-weight:800;
    white-space:nowrap
}
.btn:hover,.btn:focus-visible {
    transform:translateY(-2px)
}
.btn-primary {
    background:var(--brand-gradient);
    color:#07111f;
    box-shadow:0 16px 38px rgba(66,133,244,.2)
}
.btn-secondary {
    border-color:var(--line);
    background:var(--chip-bg);
    color:var(--text);
    backdrop-filter:blur(12px)
}
.hero {
    position:relative;
    overflow:clip;
    padding:5.6rem 0 3.4rem
}
.hero-layout {
    display:grid;
    grid-template-columns:1.03fr .97fr;
    gap:2rem;
    align-items:center
}
.orb {
    position:absolute;
    border-radius:50%;
    filter:blur(8px);
    opacity:.55;
    pointer-events:none;
    animation:drift 9s ease-in-out infinite
}
.orb-red {
    width:11rem;
    height:11rem;
    background:rgba(234,67,53,.18);
    left:-4rem;
    top:18rem
}
.orb-green {
    width:13rem;
    height:13rem;
    background:rgba(52,168,83,.16);
    right:5%;
    top:8rem;
    animation-delay:-2s
}
.orb-blue {
    width:16rem;
    height:16rem;
    background:rgba(66,133,244,.16);
    right:-4rem;
    bottom:2rem;
    animation-delay:-3s
}
.orb-yellow {
    width:10rem;
    height:10rem;
    background:rgba(251,188,5,.18);
    left:38%;
    bottom:0;
    animation-delay:-5s
}
@keyframes drift {
    0%,100% {
        transform:translate3d(0,0,0)
    }
    50% {
        transform:translate3d(16px,-18px,0)
    }
}
.eyebrow {
    display:inline-flex;
    align-items:center;
    gap:.48rem;
    padding:.48rem .85rem;
    border:1px solid var(--line);
    border-radius:999px;
    background:var(--chip-bg);
    backdrop-filter:blur(14px);
    font-size:.9rem;
    font-weight:800;
    color:var(--muted);
    margin-bottom:1rem
}
.dot {
    width:.5rem;
    height:.5rem;
    border-radius:50%;
    display:inline-block
}
.red {
    background:var(--red)
}
.green {
    background:var(--green)
}
.blue {
    background:var(--blue)
}
.yellow {
    background:var(--yellow)
}
.hero-copy h1 {
    font-size:clamp(2.75rem,5vw,5rem);
    line-height:.97;
    letter-spacing:-.065em;
    margin:0 0 1rem;
    max-width:12ch
}
.hero-copy h1 span {
    background:var(--brand-gradient);
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent
}
.hero-copy p {
    color:var(--muted);
    font-size:1.1rem;
    max-width:62ch;
    margin:0 0 1.5rem
}
.hero-actions,.social-links {
    display:flex;
    flex-wrap:wrap;
    gap:.85rem
}
.social-links {
    margin-top:1.2rem
}
.social-chip {
    display:inline-flex;
    align-items:center;
    padding:.8rem .95rem;
    border-radius:999px;
    border:1px solid var(--line);
    background:var(--chip-bg);
    color:var(--text);
    backdrop-filter:blur(12px);
    box-shadow:var(--shadow-soft);
    font-weight:700
}
.hero-panel {
    padding:1.2rem;
    border-radius:32px;
    background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.04));
    border:1px solid var(--glass-border);
    backdrop-filter:blur(var(--blur-xl)) saturate(170%);
    -webkit-backdrop-filter:blur(var(--blur-xl)) saturate(170%);
    box-shadow:var(--shadow-card);
    position:relative;
    overflow:hidden;
    transform-style:preserve-3d;
    will-change:transform
}
.hero-panel::before {
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,var(--glass-highlight),transparent 42%);
    opacity:.75;
    pointer-events:none
}
.hero-logo-wrap {
    position:relative;
    border-radius:26px;
    overflow:hidden;
    background:linear-gradient(145deg,rgba(7,11,20,.94),rgba(15,23,42,.76));
    border:1px solid rgba(255,255,255,.18);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.24),0 26px 60px rgba(0,0,0,.34);
    padding:1.1rem
}
.hero-logo-wrap::before {
    content:"";
    position:absolute;
    inset:-35%;
    background:conic-gradient(from 120deg,var(--red),var(--yellow),var(--green),var(--blue),var(--red));
    opacity:.22;
    filter:blur(30px);
    animation:spinGlow 10s linear infinite
}
.hero-logo {
    position:relative;
    z-index:1;
    display:block;
    width:min(100%,26rem);
    margin:0 auto;
    aspect-ratio:1/1;
    object-fit:contain;
    border-radius:24px;
    filter:drop-shadow(0 20px 38px rgba(0,0,0,.48)) saturate(1.08);
    animation:floatLogo 5s ease-in-out infinite
}
.logo-scan {
    position:absolute;
    z-index:2;
    inset:0;
    background:linear-gradient(115deg,transparent 0%,rgba(255,255,255,.16) 45%,transparent 58%);
    transform:translateX(-120%);
    animation:scan 5.5s ease-in-out infinite
}
.hero-card-content {
    position:relative;
    z-index:2;
    padding:1rem .2rem 0
}
.hero-card-top {
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:1rem;
    flex-wrap:wrap
}
.hero-card-top h2 {
    font-size:1.1rem;
    margin:0
}
.live-badge {
    font-size:.82rem;
    font-weight:900;
    border-radius:999px;
    padding:.35rem .7rem;
    background:rgba(255,255,255,.08);
    border:1px solid var(--line);
    color:var(--muted)
}
@keyframes floatLogo {
    0%,100% {
        transform:translateY(0)
    }
    50% {
        transform:translateY(-7px)
    }
}
@keyframes spinGlow {
    to {
        transform:rotate(1turn)
    }
}
@keyframes scan {
    0%,55% {
        transform:translateX(-120%)
    }
    78%,100% {
        transform:translateX(120%)
    }
}
.hero-metrics,.projects-grid,.skills-grid,.about-grid,.contact-grid,.footer-grid {
    display:grid;
    gap:1.5rem
}
.hero-metrics {
    grid-template-columns:repeat(3,1fr);
    margin-top:1rem;
    position:relative;
    z-index:2
}
.metric {
    padding:1rem;
    border-radius:18px;
    background:rgba(255,255,255,.06);
    border:1px solid var(--line);
    backdrop-filter:blur(12px);
    text-align:center
}
.metric strong {
    display:block;
    font-size:1.25rem;
    margin-bottom:.2rem
}
.metric span {
    color:var(--muted);
    font-size:.92rem
}
.tags {
    display:flex;
    flex-wrap:wrap;
    gap:.5rem
}
.hero-tags {
    margin-top:.9rem
}
.tag,.metric-badge {
    display:inline-flex;
    align-items:center;
    border-radius:999px;
    font-size:.84rem;
    font-weight:800
}
.tag {
    padding:.45rem .7rem;
    background:var(--chip-bg);
    color:var(--text);
    border:1px solid var(--line);
    backdrop-filter:blur(10px)
}
.tag-red {
    border-color:rgba(234,67,53,.45)
}
.tag-green {
    border-color:rgba(52,168,83,.45)
}
.tag-blue {
    border-color:rgba(66,133,244,.45)
}
.tag-yellow {
    border-color:rgba(251,188,5,.45)
}
.metric-badge {
    padding:.35rem .7rem;
    background:rgba(52,168,83,.13);
    color:var(--green);
    border:1px solid rgba(52,168,83,.28)
}
.section-heading {
    max-width:760px
}
.section-title {
    font-size:clamp(2rem,3vw,3rem);
    line-height:1.1;
    margin:0 0 1rem;
    letter-spacing:-.045em
}
.fade-in {
    opacity:0;
    transform:translateY(24px);
    transition:opacity 700ms ease,transform 700ms ease
}
.fade-in.visible {
    opacity:1;
    transform:translateY(0)
}
.project-card,.skill-card,.about-card,.contact-card {
    background:var(--surface);
    border:1px solid var(--card-border);
    border-radius:var(--radius);
    box-shadow:var(--shadow-card);
    backdrop-filter:blur(var(--blur-xl)) saturate(160%);
    -webkit-backdrop-filter:blur(var(--blur-xl)) saturate(160%);
    overflow:hidden;
    position:relative
}
.project-card::before,.skill-card::before,.about-card::before,.contact-card::before {
    content:"";
    position:absolute;
    inset:0;
    pointer-events:none;
    border-radius:inherit;
    background:linear-gradient(180deg,var(--glass-highlight),transparent 42%);
    opacity:.72
}
.skill-card,.about-card,.contact-card {
    padding:1.4rem
}
.skill-card h3,.contact-card h3,.about-card h3 {
    font-size:1.2rem;
    margin:0 0 .6rem
}
.skill-card p,.contact-card p,.about-card p,.project-card p,.about-bio p {
    color:var(--muted)
}
.project-filters {
    display:flex;
    flex-wrap:wrap;
    gap:.75rem;
    margin:2rem 0 1.5rem
}
.filter-btn {
    padding:.72rem 1rem;
    border-radius:999px;
    background:var(--chip-bg);
    border:1px solid var(--line);
    color:var(--nav-link);
    font-weight:800;
    backdrop-filter:blur(12px)
}
.filter-btn.active,.filter-btn:hover,.filter-btn:focus-visible {
    background:linear-gradient(135deg,rgba(66,133,244,.16),rgba(52,168,83,.14),rgba(251,188,5,.12),rgba(234,67,53,.12));
    color:var(--text);
    transform:translateY(-1px)
}
.projects-grid {
    grid-template-columns:repeat(2,1fr)
}
.project-card {
    display:grid;
    grid-template-rows:auto 1fr
}
.project-card:hover,.project-card:focus-within {
    transform:translateY(-5px);
    box-shadow:var(--shadow-hover)
}
.project-media {
    position:relative;
    overflow:hidden;
    background:rgba(2,8,23,.34)
}
.project-media img {
    width:100%;
    aspect-ratio:16/10;
    object-fit:cover;
    transform:scale(1.01);
    transition:transform 500ms ease
}
.project-card:hover .project-media img {
    transform:scale(1.05)
}
.project-content {
    padding:1.4rem;
    display:flex;
    flex-direction:column;
    gap:1rem;
    position:relative;
    z-index:1
}
.project-meta {
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:1rem;
    flex-wrap:wrap
}
.project-title {
    font-size:1.35rem;
    line-height:1.15;
    letter-spacing:-.03em;
    margin:0
}
.project-subtitle {
    color:var(--blue);
    font-size:.92rem;
    font-weight:800;
    margin:0 0 .2rem
}
.project-points {
    list-style:none;
    display:grid;
    gap:.45rem;
    color:var(--text);
    padding:0;
    margin:0
}
.project-points li {
    position:relative;
    padding-left:1rem
}
.project-points li::before {
    content:"";
    position:absolute;
    left:0;
    top:.68rem;
    width:.42rem;
    height:.42rem;
    border-radius:50%;
    background:var(--brand-gradient)
}
.project-actions {
    display:flex;
    flex-wrap:wrap;
    gap:.7rem;
    margin-top:auto
}
.project-link {
    display:inline-flex;
    color:var(--text);
    font-weight:800
}
.skills-grid {
    grid-template-columns:repeat(4,1fr);
    margin-top:2rem
}
.skill-list {
    list-style:none;
    display:grid;
    gap:.65rem;
    margin:1rem 0 0;
    padding:0
}
.skill-list li {
    display:flex;
    align-items:center;
    gap:.6rem;
    color:var(--text)
}
.skill-list li::before {
    content:"";
    width:.55rem;
    height:.55rem;
    border-radius:999px;
    background:var(--brand-gradient);
    box-shadow:0 0 0 4px rgba(66,133,244,.08);
    flex-shrink:0
}
.about-grid {
    grid-template-columns:1.2fr .8fr;
    align-items:start;
    margin-top:2rem
}
.about-bio {
    display:grid;
    gap:1rem
}
.about-highlights {
    display:grid;
    gap:1rem;
    margin-top:1.25rem
}
.highlight {
    padding:1rem;
    border:1px solid var(--line);
    background:var(--chip-bg);
    border-radius:var(--radius-sm);
    backdrop-filter:blur(12px)
}
.highlight strong {
    display:block;
    margin-bottom:.35rem
}
.contact-grid {
    grid-template-columns:.95fr 1.05fr;
    align-items:start;
    margin-top:2rem
}
.contact-list {
    list-style:none;
    display:grid;
    gap:.9rem;
    margin:1rem 0 0;
    padding:0
}
.contact-list a {
    font-weight:800
}
.contact-form {
    display:grid;
    gap:1rem
}
.form-row {
    display:grid;
    gap:.55rem
}
label {
    font-weight:800;
    color:var(--text)
}
input,textarea {
    width:100%;
    padding:.95rem 1rem;
    border-radius:16px;
    border:1px solid var(--line);
    background:var(--input-bg);
    color:var(--text);
    outline:none;
    backdrop-filter:blur(10px)
}
input:focus,textarea:focus {
    border-color:rgba(66,133,244,.55);
    box-shadow:0 0 0 4px rgba(66,133,244,.12)
}
textarea {
    resize:vertical;
    min-height:160px
}
.site-footer {
    padding:2rem 0 3rem;
    border-top:1px solid var(--line);
    margin-top:2rem
}
.footer-grid {
    grid-template-columns:1fr auto;
    align-items:center
}
.footer-copy {
    color:var(--muted)
}
.footer-links {
    display:flex;
    flex-wrap:wrap;
    gap:1rem;
    color:var(--text);
    font-weight:700
}
.back-to-top {
    position:fixed;
    right:1rem;
    bottom:1rem;
    width:3.25rem;
    height:3.25rem;
    border-radius:50%;
    display:grid;
    place-items:center;
    background:var(--brand-gradient);
    color:#07111f;
    box-shadow:var(--shadow-card);
    opacity:0;
    transform:translateY(12px);
    pointer-events:none;
    z-index:900;
    font-weight:900
}
.back-to-top.visible {
    opacity:1;
    transform:translateY(0);
    pointer-events:auto
}
@media (max-width:1080px) {
    .hero-layout,.about-grid,.contact-grid,.projects-grid,.footer-grid {
        grid-template-columns:1fr
    }
    .skills-grid {
        grid-template-columns:repeat(2,1fr)
    }
    .hero-copy h1 {
        max-width:13ch
    }
}
@media (max-width:860px) {
    .menu-toggle {
        display:inline-grid;
        place-items:center
    }
    .nav-panel {
        position:absolute;
        top:calc(100% + .8rem);
        left:1rem;
        right:1rem;
        padding:1rem;
        border-radius:24px;
        background:var(--surface-strong);
        border:1px solid var(--line);
        box-shadow:var(--shadow-card);
        backdrop-filter:blur(26px) saturate(170%);
        display:none
    }
    .nav-panel.open {
        display:block
    }
    .nav-links,.nav-actions {
        flex-direction:column;
        align-items:stretch
    }
    .nav-links {
        gap:.2rem;
        margin-bottom:.8rem
    }
    .nav-links a,.nav-actions .btn {
        display:block;
        width:100%;
        text-align:center;
        padding:.9rem 1rem;
        border-radius:16px
    }
}
@media (max-width:640px) {
    .section {
        padding:4.25rem 0
    }
    .hero {
        padding-top:3.5rem
    }
    .container {
        width:min(100% - 1.25rem,var(--max-width))
    }
    .hero-actions,.social-links,.project-actions,.project-filters {
        flex-direction:column
    }
    .btn,.social-chip,.filter-btn,.project-link {
        justify-content:center
    }
    .hero-metrics,.skills-grid {
        grid-template-columns:1fr
    }
    .project-content,.skill-card,.contact-card,.about-card {
        padding:1.15rem
    }
    .brand-text {
        display:none
    }
    .brand-logo {
        width:2.8rem;
        height:2.8rem
    }
    .hero-logo {
        aspect-ratio:1.5/1
    }
}
@media (prefers-reduced-motion:reduce) {
    html {
        scroll-behavior:auto
    }
    *,*::before,*::after {
        animation:none!important;
        transition:none!important
    }
}