/* ============================================================
   Kariuki Moses - Portfolio
   Aurora theme · multi-page layout with pagination
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
    --c-indigo: #6366f1;
    --c-violet: #a855f7;
    --c-pink: #ec4899;
    --c-cyan: #22d3ee;
    --c-lime: #a3e635;

    --grad: linear-gradient(115deg, #6366f1 0%, #a855f7 28%, #ec4899 58%, #22d3ee 100%);
    --grad-soft: linear-gradient(135deg, rgba(99, 102, 241, .20), rgba(168, 85, 247, .16), rgba(34, 211, 238, .18));

    --font-head: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

    --radius: 18px;
    --radius-lg: 26px;
    --nav-h: 72px;
    --ease: cubic-bezier(.16, 1, .3, 1);
    --transition: all .35s var(--ease);
}

:root, [data-theme="dark"] {
    --bg: #05060f;
    --bg-2: #090b1c;
    --blob-op: .55;
    --surface: rgba(255, 255, 255, .045);
    --surface-2: rgba(255, 255, 255, .07);
    --surface-solid: #0d1026;
    --border: rgba(255, 255, 255, .10);
    --border-strong: rgba(255, 255, 255, .18);
    --text: #eaeefc;
    --muted: #98a2cc;
    --shadow: 0 26px 60px -28px rgba(0, 0, 0, .9);
    --grid-line: rgba(255, 255, 255, .035);
    --shine: rgba(255, 255, 255, .45);
    color-scheme: dark;
}

[data-theme="light"] {
    --bg: #f5f6ff;
    --bg-2: #ecefff;
    --blob-op: .38;
    --surface: rgba(255, 255, 255, .72);
    --surface-2: rgba(255, 255, 255, .9);
    --surface-solid: #ffffff;
    --border: rgba(15, 23, 42, .10);
    --border-strong: rgba(15, 23, 42, .18);
    --text: #0f172a;
    --muted: #5a6489;
    --shadow: 0 26px 60px -30px rgba(38, 46, 120, .38);
    --grid-line: rgba(15, 23, 42, .045);
    --shine: rgba(255, 255, 255, .75);
    color-scheme: light;
}

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

/* Touch: drop the 300ms double-tap delay and the grey tap flash.
   Pinch-to-zoom is deliberately left enabled. */
a, button, input, select, textarea, label, [role="button"] {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-h) + env(safe-area-inset-top, 0px) + 12px);
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    /* keep the gutter reserved: opening the menu or the dialog locks body
       scrolling, which would otherwise shift the page by the scrollbar width */
    scrollbar-gutter: stable;
}

body {
    font-family: var(--font-body);
    line-height: 1.65;
    color: var(--text);
    background-color: var(--bg);
    overflow-x: hidden;
    /* a long email or URL must never push its card wider than the column */
    overflow-wrap: break-word;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color .5s ease, color .5s ease;
    -webkit-font-smoothing: antialiased;
    /* Opacity only. `body` must never carry a transform: it is the shared
       ancestor of every `position: fixed` layer (nav, progress bar, cursor
       glow, the contact dialog, back-to-top), and any non-none transform
       makes the body their containing block instead of the viewport, which
       pushes the dialog below the fold. The slide-in lives on `main`. */
    animation: pageFade .6s var(--ease) both;
}

@keyframes pageFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes pageIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

main { flex: 1 0 auto; animation: pageIn .6s var(--ease); }

::selection { background: rgba(168, 85, 247, .35); color: #fff; }
a { color: inherit; }
img, svg { max-width: 100%; }

::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--c-indigo), var(--c-violet)); border-radius: 99px; border: 2px solid var(--bg-2); }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(var(--c-violet), var(--c-pink)); }

.container { width: min(1180px, 92%); margin-inline: auto; }
section { padding: 4.5rem 0; position: relative; }

/* ============================================================
   Background
   ============================================================ */
.bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
    background: radial-gradient(1200px 700px at 80% -10%, rgba(99, 102, 241, .20), transparent 60%),
                radial-gradient(1000px 600px at 0% 10%, rgba(236, 72, 153, .14), transparent 55%),
                linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}
.bg::before {
    content: "";
    position: absolute;
    inset: -2px;
    background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
                      linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
    background-size: 62px 62px;
    mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
    -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
}
.orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: var(--blob-op); }
.orb--1 { width: 480px; height: 480px; top: -120px; left: -80px;  background: radial-gradient(circle, #6366f1, transparent 68%); animation: drift1 22s ease-in-out infinite; }
.orb--2 { width: 420px; height: 420px; top: 12%; right: -110px;   background: radial-gradient(circle, #ec4899, transparent 68%); animation: drift2 26s ease-in-out infinite; }
.orb--3 { width: 520px; height: 520px; bottom: -160px; left: 14%; background: radial-gradient(circle, #22d3ee, transparent 68%); animation: drift3 30s ease-in-out infinite; }
.orb--4 { width: 380px; height: 380px; bottom: 4%; right: 8%;      background: radial-gradient(circle, #a855f7, transparent 68%); animation: drift1 24s ease-in-out infinite reverse; }
.bg__grain {
    position: absolute; inset: 0; opacity: .05; mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@keyframes drift1 { 0%, 100% { transform: translate3d(0, 0, 0) scale(1); } 50% { transform: translate3d(60px, 50px, 0) scale(1.12); } }
@keyframes drift2 { 0%, 100% { transform: translate3d(0, 0, 0) scale(1.05); } 50% { transform: translate3d(-70px, 40px, 0) scale(.94); } }
@keyframes drift3 { 0%, 100% { transform: translate3d(0, 0, 0) scale(1); } 50% { transform: translate3d(40px, -60px, 0) scale(1.15); } }

.cursor-glow {
    position: fixed; top: 0; left: 0; width: 420px; height: 420px; margin: -210px 0 0 -210px;
    border-radius: 50%; pointer-events: none; z-index: 0; opacity: 0; transition: opacity .4s ease;
    background: radial-gradient(circle, rgba(139, 92, 246, .16), transparent 62%);
}
.cursor-glow.on { opacity: 1; }

.scroll-progress {
    position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 1200;
    background: var(--grad); box-shadow: 0 0 14px rgba(168, 85, 247, .8);
    transition: width .12s linear;
}

/* ============================================================
   Navigation
   ============================================================ */
.nav {
    position: fixed; top: 0; left: 0; right: 0;
    height: calc(var(--nav-h) + env(safe-area-inset-top, 0px));
    padding-top: env(safe-area-inset-top, 0px);      /* notch / status bar */
    padding-left: env(safe-area-inset-left, 0px);    /* landscape notch    */
    padding-right: env(safe-area-inset-right, 0px);
    z-index: 1000;
    display: flex; align-items: center; background: transparent;
    border-bottom: 1px solid transparent; transition: var(--transition);
}
.nav.scrolled {
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    border-bottom-color: var(--border);
    box-shadow: 0 12px 40px -24px rgba(0, 0, 0, .8);
}
.nav__container { display: flex; justify-content: space-between; align-items: center; width: min(1180px, 92%); margin-inline: auto; }

.nav__logo {
    position: relative; display: inline-flex; align-items: center; padding: 3px;
    text-decoration: none; border-radius: 50%;
}
.nav__logo::before {
    content: ""; position: absolute; inset: 0; border-radius: 50%;
    background: var(--grad); background-size: 220% 100%; opacity: 0; transition: var(--transition);
}
.nav__logo img {
    position: relative; display: block; width: 44px; height: 44px; border-radius: 50%;
    object-fit: cover; box-shadow: 0 10px 22px -14px rgba(0, 0, 0, .9);
    transition: var(--transition);
}
.nav__logo:hover img { transform: scale(1.05); }
.nav__logo:hover::before { opacity: 1; }

.nav__menu { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav__link {
    color: var(--muted); text-decoration: none; font-weight: 500; font-size: .96rem;
    position: relative; padding: 4px 2px; transition: color .3s ease;
}
.nav__link::after {
    content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
    border-radius: 2px; background: var(--grad); transition: width .35s var(--ease);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { width: 100%; }
.nav__link.active { color: var(--text); }
.nav__link.active::after { width: 100%; }

.nav__item--resume { display: flex; }
.nav__link--resume {
    color: #fff !important; padding: .55rem 1.25rem; border-radius: 99px;
    background: var(--grad); background-size: 200% 100%;
    box-shadow: 0 10px 26px -12px rgba(139, 92, 246, .9); transition: var(--transition);
}
.nav__link--resume::after { display: none; }
.nav__link--resume:hover { transform: translateY(-2px); background-position: 100% 0; box-shadow: 0 16px 32px -12px rgba(236, 72, 153, .9); }

.theme-toggle {
    width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%;
    border: 1px solid var(--border); background: var(--surface); backdrop-filter: blur(10px);
    color: var(--text); cursor: pointer; transition: var(--transition); flex: 0 0 auto;
}
.theme-toggle:hover { border-color: var(--border-strong); transform: rotate(-18deg) scale(1.06); background: var(--surface-2); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

.nav__right { display: flex; align-items: center; gap: 1rem; }

.nav__toggle { display: none; flex-direction: column; align-items: center; justify-content: center; gap: 5px; min-width: 44px; min-height: 44px; background: none; border: none; border-radius: 13px; cursor: pointer; padding: .5rem; z-index: 1100; }
.nav__toggle-bar { width: 24px; height: 2px; border-radius: 2px; background: var(--text); transition: var(--transition); }
.nav__toggle.active .nav__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.active .nav__toggle-bar:nth-child(2) { opacity: 0; }
.nav__toggle.active .nav__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   Buttons - every one alive: lift, press, shine, ripple
   ============================================================ */
.btn,
.project__link,
.contact__method,
.pager__btn,
.pager__dot,
.nav__link--resume,
.theme-toggle,
.to-top,
.explore__card {
    position: relative;
    overflow: hidden;
}

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
    padding: .95rem 2.1rem; border-radius: 99px;
    font-family: var(--font-body); font-size: 1rem; font-weight: 600;
    text-decoration: none; border: 1px solid transparent; cursor: pointer; isolation: isolate;
    transition: transform .25s var(--ease), box-shadow .35s var(--ease), color .3s ease;
}

/* shine sweep on all pills */
.btn::after,
.project__link--demo::before,
.nav__link--resume::before,
.pager__dot.is-active::before,
.contact__method::before,
.to-top::before,
.explore__card::after {
    content: "";
    position: absolute;
    top: 0; left: -130%;
    width: 55%; height: 100%;
    background: linear-gradient(100deg, transparent, var(--shine), transparent);
    transform: skewX(-18deg);
    transition: left .65s var(--ease);
    pointer-events: none;
    z-index: 2;
}
.btn:hover::after,
.project__link--demo:hover::before,
.nav__link--resume:hover::before,
.pager__dot.is-active:hover::before,
.contact__method:hover::before,
.to-top:hover::before,
.explore__card:hover::after { left: 140%; }

.btn--primary {
    color: #fff; background: var(--grad); background-size: 220% 100%;
    box-shadow: 0 18px 40px -18px rgba(139, 92, 246, .95);
    animation: gradShift 8s linear infinite; animation-play-state: paused;
}
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 26px 54px -18px rgba(236, 72, 153, .95); animation-play-state: running; }

.btn--secondary { color: var(--text); background: var(--surface); border-color: var(--border-strong); backdrop-filter: blur(10px); }
.btn--secondary:hover { transform: translateY(-3px); border-color: transparent; background: var(--grad-soft); box-shadow: 0 20px 44px -20px rgba(99, 102, 241, .8); }

.btn__arrow { transition: transform .3s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* universal press feedback */
.btn:active,
.project__link:active,
.contact__method:active,
.pager__btn:active,
.pager__dot:active,
.nav__link--resume:active,
.to-top:active,
.explore__card:active { transform: translateY(0) scale(.965) !important; }

.btn .ripple,
.project__link .ripple,
.contact__method .ripple,
.pager__btn .ripple,
.pager__dot .ripple,
.nav__link--resume .ripple,
.to-top .ripple,
.explore__card .ripple {
    position: absolute; border-radius: 50%; transform: scale(0);
    background: rgba(255, 255, 255, .45); pointer-events: none;
    animation: ripple .65s ease-out forwards; z-index: 1;
}
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }
@keyframes gradShift { 0% { background-position: 0% 50%; } 100% { background-position: 200% 50%; } }

/* ============================================================
   Reveal
   ============================================================ */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0ms); }
.reveal.in-view { opacity: 1; transform: none; }

/* ============================================================
   Hero (home)
   ============================================================ */
.hero { min-height: 88svh; display: flex; align-items: center; padding-top: calc(var(--nav-h) + 2rem); padding-bottom: 1rem; }
.hero__inner { display: grid; grid-template-columns: 1.15fr .85fr; gap: 3rem; align-items: center; }
.hero__content { text-align: left; }

.hero__pill {
    display: inline-flex; align-items: center; gap: .55rem; padding: .45rem 1rem; margin-bottom: 1.4rem;
    border-radius: 99px; font-size: .84rem; font-weight: 500; color: var(--text);
    background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(10px);
}
.hero__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c-lime); animation: pulse 2.2s infinite; }
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(163, 230, 53, .7); }
    70% { box-shadow: 0 0 0 12px rgba(163, 230, 53, 0); }
    100% { box-shadow: 0 0 0 0 rgba(163, 230, 53, 0); }
}

.hero__greeting { font-family: var(--font-mono); font-size: 1rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: .6rem; }

.hero__name {
    font-family: var(--font-head);
    font-size: clamp(2.6rem, 6.2vw, 4.6rem);
    font-weight: 700; line-height: 1.03; letter-spacing: -.03em; margin-bottom: .5rem;
    background: var(--grad); background-size: 260% 100%;
    -webkit-background-clip: text; background-clip: text; color: transparent;
    animation: gradShift 9s linear infinite;
    filter: drop-shadow(0 12px 34px rgba(139, 92, 246, .35));
}

.hero__role { font-family: var(--font-head); font-size: clamp(1.2rem, 2.6vw, 1.8rem); font-weight: 600; color: var(--text); margin-bottom: .35rem; min-height: 1.4em; }
.hero__caret { display: inline-block; width: 2px; height: 1.05em; margin-left: 3px; vertical-align: -0.14em; background: var(--c-cyan); animation: blink 1s steps(2, start) infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero__location { font-family: var(--font-mono); font-size: .95rem; color: var(--muted); margin-bottom: 1.4rem; }
.hero__bio { font-size: 1.08rem; color: var(--muted); max-width: 620px; margin-bottom: 2.1rem; line-height: 1.85; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.2rem; }
.hero__social { display: flex; gap: .9rem; flex-wrap: wrap; }

.social__link {
    --brand: var(--grad);
    --brand-glow: rgba(139, 92, 246, .6);
    --brand-ring: transparent;
    position: relative; display: grid; place-items: center; width: 50px; height: 50px;
    border-radius: 15px; color: #fff; background: var(--brand);
    border: 1px solid transparent;
    box-shadow: 0 0 0 1px var(--brand-ring), 0 12px 26px -15px var(--brand-glow);
    transition: var(--transition);
}
.social__link:hover {
    color: #fff; transform: translateY(-4px) scale(1.06) rotate(-6deg);
    background: var(--brand); border-color: transparent;
    filter: saturate(1.12) brightness(1.07);
    box-shadow: 0 0 0 1px var(--brand-ring), 0 20px 38px -14px var(--brand-glow);
}
.social__icon { width: 22px; height: 22px; }

/* real brand colours */
.social__link--github    { --brand: linear-gradient(160deg, #3a4148, #181717 62%); --brand-glow: rgba(150, 160, 180, .45); --brand-ring: rgba(255, 255, 255, .18); }
.social__link--facebook  { --brand: linear-gradient(160deg, #4aa3ff, #1877f2 55%, #0d5fc4); --brand-glow: rgba(24, 119, 242, .65); }
.social__link--whatsapp  { --brand: linear-gradient(160deg, #4ae587, #25d366 55%, #128c7e); --brand-glow: rgba(37, 211, 102, .6); }
.social__link--x         { --brand: linear-gradient(160deg, #3a3a3a, #0a0a0a 62%); --brand-glow: rgba(150, 160, 180, .45); --brand-ring: rgba(255, 255, 255, .18); }
.social__link--instagram { --brand: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); --brand-glow: rgba(220, 39, 67, .6); }
.social__link--email     { --brand: linear-gradient(160deg, #ff8070, #ea4335 55%, #c5221f); --brand-glow: rgba(234, 67, 53, .6); }

/* hero portrait card */
.hero__portrait {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.hero__portrait::before {
    content: "";
    position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: var(--grad);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude; opacity: .65;
    z-index: 3; pointer-events: none;
}
/* The card is square and the file is square, so nothing is cropped; keep cover
   anyway so a taller or wider replacement still fills the card neatly. */
.hero__photo {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; object-position: center 35%;
}
.hero__chip {
    position: absolute; z-index: 2;
    display: inline-flex; align-items: center; gap: .4rem;
    padding: .45rem .8rem; border-radius: 99px; font-size: .78rem; font-weight: 600;
    background: var(--surface-2); border: 1px solid var(--border); backdrop-filter: blur(10px);
    box-shadow: var(--shadow); animation: bob 5s ease-in-out infinite;
}
.hero__chip--1 { top: 12%; left: 6%; }
.hero__chip--2 { bottom: 16%; right: 5%; animation-delay: -1.6s; }
.hero__chip--3 { bottom: 8%; left: 12%; animation-delay: -3.1s; }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ============================================================
   Stats
   ============================================================ */
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.stat {
    position: relative; text-align: center; padding: 1.7rem 1rem; border-radius: var(--radius);
    background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(12px);
    overflow: hidden; transition: var(--transition);
}
.stat::before { content: ""; position: absolute; inset: 0; background: var(--grad-soft); opacity: 0; transition: var(--transition); }
.stat:hover { transform: translateY(-6px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.stat:hover::before { opacity: 1; }
.stat__num {
    position: relative; display: block; font-family: var(--font-head);
    font-size: clamp(1.9rem, 4vw, 2.7rem); font-weight: 700; line-height: 1;
    background: var(--grad); background-size: 220% 100%;
    -webkit-background-clip: text; background-clip: text; color: transparent;
    animation: gradShift 8s linear infinite;
}
.stat__label { position: relative; display: block; margin-top: .5rem; font-size: .86rem; letter-spacing: .04em; color: var(--muted); }

/* ============================================================
   Section headings + page head
   ============================================================ */
.section__title { font-family: var(--font-head); font-size: clamp(1.9rem, 4.4vw, 2.8rem); font-weight: 700; text-align: center; letter-spacing: -.02em; margin-bottom: .5rem; }
.section__title span { background: var(--grad); background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: gradShift 8s linear infinite; }
.section__subtitle { text-align: center; color: var(--muted); font-size: 1.05rem; margin-bottom: 3rem; }
.section__subtitle::after { content: ""; display: block; width: 68px; height: 3px; margin: 1.1rem auto 0; border-radius: 2px; background: var(--grad); }

.page-head { padding-top: calc(var(--nav-h) + 3.4rem); padding-bottom: .5rem; text-align: center; }
.page-head__kicker {
    display: inline-block; font-family: var(--font-mono); font-size: .78rem; letter-spacing: .18em; text-transform: uppercase;
    color: var(--muted); margin-bottom: .8rem; padding: .35rem .8rem; border-radius: 99px;
    background: var(--surface); border: 1px solid var(--border);
}
.page-head .section__subtitle { margin-bottom: 2.4rem; }

/* ============================================================
   Explore cards (home)
   ============================================================ */
.explore__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: 1.4rem; }
.explore__card {
    display: block; padding: 1.9rem; border-radius: var(--radius-lg); text-decoration: none; color: var(--text);
    background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(12px);
    transition: var(--transition);
}
.explore__card:hover { transform: translateY(-7px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.explore__icon { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; font-size: 1.5rem; background: var(--grad-soft); border: 1px solid var(--border); margin-bottom: 1.1rem; }
.explore__title { font-family: var(--font-head); font-size: 1.2rem; margin-bottom: .4rem; }
.explore__text { color: var(--muted); font-size: .94rem; }
.explore__arrow { position: absolute; top: 1.6rem; right: 1.7rem; color: var(--muted); transition: var(--transition); z-index: 3; }
.explore__card:hover .explore__arrow { color: var(--c-cyan); transform: translate(4px, -4px); }

/* ============================================================
   About
   ============================================================ */
.about__grid { display: grid; grid-template-columns: 320px 1fr; gap: 2.5rem; align-items: start; }
.about__card {
    position: relative; text-align: center; padding: 2.4rem 1.8rem; border-radius: var(--radius-lg);
    background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(14px);
    box-shadow: var(--shadow); overflow: hidden;
}
.about__card::before {
    content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: var(--grad);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude; opacity: .6;
}
.about__avatar {
    width: 140px; height: 140px; margin: 0 auto 1.2rem; position: relative; border-radius: 50%;
    padding: 4px; background: var(--grad); background-size: 220% 100%; animation: gradShift 8s linear infinite;
    box-shadow: 0 0 0 6px rgba(139, 92, 246, .14), 0 20px 40px -18px rgba(139, 92, 246, .9);
}
.about__photo { display: block; width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.about__name { font-family: var(--font-head); font-size: 1.4rem; font-weight: 700; }
.about__role { font-family: var(--font-mono); font-size: .82rem; color: var(--muted); margin-top: .3rem; }
.about__chips { display: flex; flex-wrap: wrap; gap: .45rem; justify-content: center; margin-top: 1.3rem; }
.about__chip { font-size: .74rem; font-weight: 600; padding: .32rem .7rem; border-radius: 99px; color: var(--text); background: var(--surface-2); border: 1px solid var(--border); }
.about__body { padding-top: .4rem; }
.about__text { font-size: 1.08rem; color: var(--muted); line-height: 1.9; margin-bottom: 1.3rem; }
.about__highlights { list-style: none; display: grid; gap: .8rem; margin-top: 1.5rem; }
.about__highlights li {
    display: flex; align-items: flex-start; gap: .75rem; padding: .85rem 1.1rem; border-radius: 14px;
    background: var(--surface); border: 1px solid var(--border); color: var(--text); font-size: .98rem; transition: var(--transition);
}
.about__highlights li:hover { transform: translateX(6px); border-color: var(--border-strong); background: var(--surface-2); }
.about__highlights li::before {
    content: "◆"; font-size: .8rem; line-height: 1.9;
    background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}

/* ============================================================
   Skills
   ============================================================ */
.skills__group { margin-bottom: 3.2rem; }
.skills__group:last-child { margin-bottom: 0; }
.skills__group-head { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.7rem; }
.skills__group-badge {
    display: inline-flex; align-items: center; gap: .5rem; padding: .45rem .95rem; border-radius: 99px;
    font-family: var(--font-mono); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase;
    color: #fff; background: var(--grad); background-size: 200% 100%; animation: gradShift 8s linear infinite;
    box-shadow: 0 12px 26px -14px rgba(139, 92, 246, .95);
}
.skills__group-badge--alt { background: linear-gradient(115deg, #22d3ee, #6366f1 55%, #a855f7); background-size: 200% 100%; }
.skills__group-title { font-family: var(--font-head); font-size: 1.3rem; font-weight: 600; white-space: nowrap; }
.skills__group-line { flex: 1; height: 1px; background: linear-gradient(90deg, var(--border-strong), transparent); }

.skills__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr)); gap: 1.3rem; }
.skill__card {
    position: relative; padding: 1.6rem; border-radius: var(--radius);
    background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(12px);
    overflow: hidden; transition: var(--transition);
}
.skill__card::after {
    content: ""; position: absolute; inset: 0;
    background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(139, 92, 246, .18), transparent 62%);
    opacity: 0; transition: opacity .4s ease; pointer-events: none;
}
.skill__card:hover { transform: translateY(-7px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.skill__card:hover::after { opacity: 1; }
.skill__top { display: flex; align-items: center; gap: .9rem; margin-bottom: 1.1rem; }
.skill__icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 13px; font-size: 1.3rem; background: var(--grad-soft); border: 1px solid var(--border); }
.skill__name { font-family: var(--font-head); font-size: 1.08rem; font-weight: 600; }
.skill__pct { margin-left: auto; font-family: var(--font-mono); font-size: .82rem; color: var(--muted); }
.skill__bar { height: 8px; border-radius: 99px; background: rgba(127, 127, 160, .18); overflow: hidden; }
.skill__fill { display: block; height: 100%; width: 0; border-radius: 99px; background: var(--grad); background-size: 220% 100%; animation: gradShift 6s linear infinite; transition: width 1.5s var(--ease); }

/* ============================================================
   Projects
   ============================================================ */
.projects__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(330px, 100%), 1fr)); gap: 1.8rem; }
.project__card {
    position: relative; display: flex; flex-direction: column; border-radius: var(--radius-lg);
    background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(12px);
    overflow: hidden; transform-style: preserve-3d;
    transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s ease;
}
.project__card::before {
    content: ""; position: absolute; inset: 0; z-index: 4;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), rgba(255, 255, 255, .10), transparent 58%);
    opacity: 0; transition: opacity .4s ease; pointer-events: none;
}
.project__card:hover { border-color: var(--border-strong); box-shadow: var(--shadow), 0 0 0 1px rgba(139, 92, 246, .25); }
.project__card:hover::before { opacity: 1; }

.project__image { position: relative; height: 200px; overflow: hidden; background: var(--surface-solid); }
.project__image img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform .7s var(--ease); }
.project__card:hover .project__image img { transform: scale(1.07); }
.project__image::after {
    content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
    background: linear-gradient(180deg, rgba(5, 6, 15, .32) 0%, transparent 38%, rgba(5, 6, 15, .62) 100%);
}
.project__no {
    position: absolute; top: 13px; left: 14px; z-index: 3; font-family: var(--font-mono);
    font-size: .76rem; font-weight: 600; color: #fff; padding: .22rem .6rem; border-radius: 99px;
    background: rgba(0, 0, 0, .42); border: 1px solid rgba(255, 255, 255, .3); backdrop-filter: blur(6px);
}
.project__view {
    position: absolute; bottom: 12px; right: 14px; z-index: 3;
    display: inline-flex; align-items: center; gap: .35rem;
    font-family: var(--font-mono); font-size: .72rem; font-weight: 600; color: #fff;
    padding: .28rem .68rem; border-radius: 99px; background: rgba(0, 0, 0, .42);
    border: 1px solid rgba(255, 255, 255, .3); backdrop-filter: blur(6px);
    opacity: 0; transform: translateY(6px); transition: var(--transition);
}
.project__card:hover .project__view { opacity: 1; transform: none; }

.project__content { display: flex; flex-direction: column; flex: 1; padding: 1.6rem; }
.project__title { font-family: var(--font-head); font-size: 1.25rem; font-weight: 600; margin-bottom: .55rem; }
.project__description { color: var(--muted); font-size: .94rem; line-height: 1.72; margin-bottom: 1.1rem; }
.project__tech { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 1.3rem; }
.tech__tag { font-family: var(--font-mono); font-size: .74rem; font-weight: 500; padding: .3rem .68rem; border-radius: 99px; color: var(--muted); background: var(--surface-2); border: 1px solid var(--border); }
.project__links { display: flex; gap: .7rem; flex-wrap: wrap; margin-top: auto; }
.project__link { display: inline-flex; align-items: center; gap: .4rem; font-size: .9rem; font-weight: 600; text-decoration: none; padding: .62rem 1.15rem; border-radius: 99px; transition: var(--transition); }
.project__link--demo { color: #fff; background: var(--grad); background-size: 200% 100%; box-shadow: 0 14px 30px -14px rgba(139, 92, 246, .95); }
.project__link--demo:hover { transform: translateY(-2px); background-position: 100% 0; box-shadow: 0 20px 38px -14px rgba(236, 72, 153, .95); }
.project__link--demo .arw { transition: transform .3s var(--ease); }
.project__link--demo:hover .arw { transform: translate(3px, -3px); }
.project__link--github { color: var(--muted); background: var(--surface-2); border: 1px solid var(--border); }
.project__link--github:hover { color: var(--text); border-color: var(--border-strong); transform: translateY(-2px); }
.project__link--case { color: var(--text); background: var(--grad-soft); border: 1px solid var(--border-strong); }
.project__link--case:hover { transform: translateY(-2px); border-color: transparent; background: var(--grad-soft); box-shadow: 0 16px 32px -18px rgba(99, 102, 241, .9); }

/* ============================================================
   Contact
   ============================================================ */
.contact__content {
    position: relative; max-width: 820px; margin-inline: auto; text-align: center; padding: 3rem 2rem;
    border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border);
    backdrop-filter: blur(14px); overflow: hidden;
}
.contact__content::before {
    content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: var(--grad);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude; opacity: .55; pointer-events: none;
}
.contact__text { font-size: 1.08rem; color: var(--muted); line-height: 1.85; margin-bottom: 2rem; }
.contact__methods { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.contact__method {
    --brand: var(--grad);
    --brand-ink: var(--c-violet);
    --brand-glow: rgba(139, 92, 246, .6);
    display: inline-flex; align-items: center; gap: .7rem; padding: .9rem 1.4rem; border-radius: 14px;
    text-decoration: none; color: var(--text); font-size: .95rem;
    background: var(--surface-2); border: 1px solid var(--border); transition: var(--transition);
}
.contact__method:hover {
    transform: translateY(-4px); background: var(--brand); color: #fff;
    border-color: transparent; box-shadow: 0 20px 40px -18px var(--brand-glow);
}
.contact__icon { width: 20px; height: 20px; color: var(--brand-ink); transition: color .3s ease; }
.contact__method:hover .contact__icon { color: #fff; }

/* real brand colours */
.contact__method--email     { --brand-ink: #ea4335; --brand: linear-gradient(160deg, #ff8070, #ea4335 55%, #c5221f); --brand-glow: rgba(234, 67, 53, .6); }
.contact__method--whatsapp  { --brand-ink: #25d366; --brand: linear-gradient(160deg, #4ae587, #25d366 55%, #128c7e); --brand-glow: rgba(37, 211, 102, .55); }
.contact__method--github    { --brand-ink: #a9b4c6; --brand: linear-gradient(160deg, #3a4148, #181717 62%); --brand-glow: rgba(150, 160, 180, .5); }
.contact__method--facebook  { --brand-ink: #1877f2; --brand: linear-gradient(160deg, #4aa3ff, #1877f2 55%, #0d5fc4); --brand-glow: rgba(24, 119, 242, .6); }
.contact__method--instagram { --brand-ink: #dc2743; --brand: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); --brand-glow: rgba(220, 39, 67, .55); }
.contact__method--x         { --brand-ink: #a9b4c6; --brand: linear-gradient(160deg, #3a3a3a, #0a0a0a 62%); --brand-glow: rgba(150, 160, 180, .5); }

/* GitHub and X are near-black: keep the true brand colour on light backgrounds,
   and lighten it on the dark theme so the glyph stays visible */
[data-theme="light"] .contact__method--github { --brand-ink: #181717; }
[data-theme="light"] .contact__method--x      { --brand-ink: #0f0f0f; }

/* ============================================================
   Pager (pagination between pages)
   ============================================================ */
.pager-wrap { padding-bottom: 4.6rem; }
.pager {
    display: flex; align-items: center; justify-content: space-between; gap: 1.4rem; flex-wrap: wrap;
    margin-top: 3.4rem; padding-top: 2.4rem; border-top: 1px solid var(--border);
}
.pager__btn {
    display: flex; align-items: center; gap: .85rem; padding: .8rem 1.2rem; border-radius: 16px;
    text-decoration: none; color: var(--text); background: var(--surface); border: 1px solid var(--border);
    backdrop-filter: blur(10px); transition: var(--transition); min-width: 158px;
}
.pager__btn:hover { transform: translateY(-3px); border-color: var(--border-strong); background: var(--grad-soft); box-shadow: var(--shadow); }
.pager__btn--next { flex-direction: row-reverse; text-align: right; }
.pager__btn--prev .pager__arrow { transform: translateX(0); }
.pager__btn--prev:hover .pager__arrow { transform: translateX(-4px); }
.pager__btn--next:hover .pager__arrow { transform: translateX(4px); }
.pager__arrow { font-size: 1.15rem; color: var(--c-cyan); transition: transform .3s var(--ease); }
.pager__meta small { display: block; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.pager__meta strong { display: block; font-family: var(--font-head); font-size: .98rem; font-weight: 600; }
.pager__btn.is-disabled { opacity: .32; pointer-events: none; }
.pager__dots { display: flex; align-items: center; gap: .5rem; list-style: none; }
.pager__dot {
    display: grid; place-items: center; width: 44px; height: 44px; border-radius: 13px;
    text-decoration: none; font-family: var(--font-mono); font-size: .85rem;
    color: var(--muted); background: var(--surface); border: 1px solid var(--border); transition: var(--transition);
}
.pager__dot:hover { transform: translateY(-3px); color: var(--text); border-color: var(--border-strong); background: var(--surface-2); }
.pager__dot.is-active { color: #fff; background: var(--grad); background-size: 200% 100%; border-color: transparent; box-shadow: 0 12px 26px -12px rgba(139, 92, 246, .95); animation: gradShift 8s linear infinite; }

/* ============================================================
   Footer
   ============================================================ */
.footer { position: relative; padding: 2.2rem 0 calc(2.2rem + env(safe-area-inset-bottom, 0px)); text-align: center; border-top: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 70%, transparent); backdrop-filter: blur(10px); flex-shrink: 0; }
.footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--grad); opacity: .8; }
.footer__text { font-size: .92rem; color: var(--muted); }
.footer__text span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 600; }

.to-top {
    position: fixed; right: calc(22px + env(safe-area-inset-right, 0px)); bottom: calc(22px + env(safe-area-inset-bottom, 0px)); z-index: 900; width: 48px; height: 48px;
    display: grid; place-items: center; border: none; border-radius: 50%; color: #fff; font-size: 1.2rem; cursor: pointer;
    background: var(--grad); box-shadow: 0 18px 34px -14px rgba(139, 92, 246, .95);
    opacity: 0; visibility: hidden; transform: translateY(14px) scale(.9); transition: var(--transition);
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { transform: translateY(-4px) scale(1.06); }

/* ============================================================
   Contact dialog (modal)
   ============================================================ */
.modal {
    position: fixed; inset: 0; z-index: 2000; display: grid; place-items: center;
    padding: max(1.4rem, env(safe-area-inset-top, 0px)) max(1.4rem, env(safe-area-inset-right, 0px)) max(1.4rem, env(safe-area-inset-bottom, 0px)) max(1.4rem, env(safe-area-inset-left, 0px));
}
.modal[hidden] { display: none; }
.modal__backdrop {
    position: absolute; inset: 0; background: rgba(3, 4, 12, .74);
    backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px);
    animation: modalFade .3s ease both;
}
.modal__dialog {
    position: relative; z-index: 1; width: min(680px, 100%); max-height: 90svh; overflow-y: auto;
    overscroll-behavior: contain;   /* scrolling the dialog must not scroll the page */
    padding: 2.1rem; border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--surface-solid) 92%, transparent);
    border: 1px solid var(--border-strong); box-shadow: 0 40px 90px -30px rgba(0, 0, 0, .85);
    backdrop-filter: blur(20px) saturate(150%); -webkit-backdrop-filter: blur(20px) saturate(150%);
    animation: modalIn .38s var(--ease) both;
}
[data-theme="light"] .modal__dialog { background: rgba(255, 255, 255, .95); }
.modal__dialog::before {
    content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: var(--grad);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor; mask-composite: exclude; opacity: .6; pointer-events: none;
}
@keyframes modalFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn { from { opacity: 0; transform: translateY(22px) scale(.975); } to { opacity: 1; transform: none; } }

.modal__close {
    position: absolute; top: 14px; right: 14px; z-index: 3; width: 44px; height: 44px;
    display: grid; place-items: center; border-radius: 50%; cursor: pointer; font-size: 1rem;
    border: 1px solid var(--border); background: var(--surface-2); color: var(--text); transition: var(--transition);
}
.modal__close:hover { transform: rotate(90deg) scale(1.06); background: var(--grad); color: #fff; border-color: transparent; }

.modal__kicker { display: inline-block; font-family: var(--font-mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: .5rem; }
.modal__title { font-family: var(--font-head); font-size: clamp(1.45rem, 3.4vw, 2rem); font-weight: 700; letter-spacing: -.02em; margin-bottom: .4rem; }
.modal__title span { background: var(--grad); background-size: 220% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: gradShift 8s linear infinite; }
.modal__lead { color: var(--muted); font-size: .96rem; margin-bottom: 1.6rem; }

/* form */
.cform__row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(215px, 100%), 1fr)); gap: .9rem 1rem; margin-bottom: .9rem; }
.cfield { display: block; }
.cfield__label { display: block; font-size: .76rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); margin-bottom: .42rem; }
.cfield__input {
    width: 100%; padding: .8rem 1rem; border-radius: 14px; font-family: inherit; font-size: 1rem; /* 16px: stops iOS zooming on focus */ color: var(--text);
    background: var(--surface-2); border: 1px solid var(--border); outline: none;
    transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}
.cfield__input::placeholder { color: var(--muted); opacity: .7; }
.cfield__input:focus {
    border-color: transparent; background: var(--surface-solid);
    box-shadow: 0 0 0 2px var(--c-violet), 0 12px 26px -16px rgba(139, 92, 246, .95);
}
.cfield__input--area { resize: vertical; min-height: 122px; line-height: 1.6; }
.cfield__error { display: none; margin-top: .35rem; font-size: .8rem; color: #ff8a8a; }
.cfield.is-invalid .cfield__input { border-color: #ff6b6b; box-shadow: 0 0 0 1px #ff6b6b; }
.cfield.is-invalid .cfield__error { display: block; }
.cform__honey { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.cform__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.3rem; }
.cform__actions .btn { padding: .85rem 1.6rem; font-size: .95rem; }
.cform__actions .btn[disabled] { opacity: .6; cursor: progress; transform: none !important; }

.cform__status { margin-top: 1rem; font-size: .9rem; min-height: 1.2em; }
.cform__status.is-ok { color: #5ee2a0; }
.cform__status.is-err { color: #ff8a8a; }

.cform__done { text-align: center; padding: 1.6rem .5rem .6rem; animation: pageIn .5s var(--ease) both; }
.cform__done-icon {
    width: 76px; height: 76px; margin: 0 auto 1.2rem; display: grid; place-items: center; border-radius: 50%;
    font-size: 2rem; color: #fff; background: var(--grad); background-size: 220% 100%;
    animation: gradShift 6s linear infinite; box-shadow: 0 22px 44px -18px rgba(139, 92, 246, .95);
}
.cform__done h3 { font-family: var(--font-head); font-size: 1.35rem; margin-bottom: .5rem; }
.cform__done p { color: var(--muted); font-size: .96rem; margin-bottom: 1.5rem; }

body.modal-open { overflow: hidden; }

/* ------------------------------------------------------------
   Inline variant (Contact page)
   ------------------------------------------------------------ */
.contact__form-head { margin-top: 3rem; }
.contact__form-title { font-family: var(--font-head); font-size: clamp(1.3rem, 2.6vw, 1.65rem); font-weight: 700; letter-spacing: -.02em; }
.contact__form-title::after { content: ""; display: block; width: 64px; height: 3px; margin: .85rem auto 0; border-radius: 3px; background: var(--grad); }
.contact__form-sub { color: var(--muted); font-size: .96rem; margin-top: .8rem; }

.cform-wrap--inline {
    position: relative; max-width: 640px; margin: 1.7rem auto 0; padding: 2rem 1.8rem 1.7rem;
    text-align: left; border-radius: 22px;
    background: var(--bg-2); border: 1px solid var(--border-strong); box-shadow: var(--shadow);
}
.cform-wrap--inline .cform__done { padding-top: 1rem; }

@media (max-width: 560px) {
    .modal { padding: max(.7rem, env(safe-area-inset-top, 0px)) max(.7rem, env(safe-area-inset-right, 0px)) max(.7rem, env(safe-area-inset-bottom, 0px)) max(.7rem, env(safe-area-inset-left, 0px)); }
    .modal__dialog { padding: 1.7rem 1.2rem; max-height: 94svh; }
    .cform__actions { flex-direction: column; }
    .cform__actions .btn { width: 100%; }
    .cform-wrap--inline { padding: 1.5rem 1.15rem; }
}

/* ============================================================
   Case studies (project detail pages)
   ============================================================ */
.case__grid { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 2.6rem; align-items: start; }
.case__main { min-width: 0; }   /* the grid item must be allowed to shrink, or long code strings widen it */

.case__figure {
    position: relative; border-radius: var(--radius-lg); overflow: hidden;
    border: 1px solid var(--border); background: var(--surface-solid); box-shadow: var(--shadow);
}
.case__figure img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; object-position: top center; }
.case__figure figcaption { padding: .8rem 1.2rem; font-family: var(--font-mono); font-size: .78rem; color: var(--muted); border-top: 1px solid var(--border); }

.case__lead { font-size: 1.14rem; color: var(--text); line-height: 1.9; margin: 2.2rem 0 2.6rem; }
.case__block { margin-bottom: 2.6rem; }
.case__h2 { display: flex; align-items: center; gap: .7rem; font-family: var(--font-head); font-size: 1.35rem; font-weight: 600; margin-bottom: 1rem; }
.case__h2::before { content: ""; width: 10px; height: 24px; border-radius: 3px; background: var(--grad); flex: 0 0 auto; }
.case__text { font-size: 1.02rem; color: var(--muted); line-height: 1.9; margin-bottom: 1rem; }
.case__block > :last-child { margin-bottom: 0; }
.case__list { list-style: none; display: grid; gap: .7rem; }
.case__list li {
    position: relative; min-width: 0; padding: .85rem 1.1rem .85rem 2.55rem; border-radius: 14px;
    background: var(--surface); border: 1px solid var(--border); color: var(--text); font-size: .97rem; transition: var(--transition);
}
.case__list li:hover { transform: translateX(6px); border-color: var(--border-strong); background: var(--surface-2); }
.case__list li::before {
    content: "◆"; position: absolute; left: 1.05rem; top: .95rem; font-size: .8rem;
    background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.case__code { font-family: var(--font-mono); font-size: .86em; padding: .1rem .4rem; border-radius: 7px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text); }

.case__aside { position: sticky; top: calc(var(--nav-h) + env(safe-area-inset-top, 0px) + 1.4rem); display: grid; gap: 1.2rem; }
.case__card { padding: 1.5rem; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); backdrop-filter: blur(12px); }
.case__card-title { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; }
.case__facts { display: grid; gap: .8rem; }
.case__fact { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; font-size: .92rem; padding-bottom: .8rem; border-bottom: 1px dashed var(--border); }
.case__fact:last-child { padding-bottom: 0; border-bottom: 0; }
.case__fact dt { color: var(--muted); }
.case__fact dd { font-weight: 600; text-align: right; }
.case__stack { display: flex; flex-wrap: wrap; gap: .4rem; }
.case__actions { display: grid; gap: .7rem; }
.case__actions .btn { width: 100%; padding: .8rem 1.1rem; font-size: .93rem; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
    .case__grid { grid-template-columns: 1fr; gap: 2.2rem; }
    .case__aside { position: static; }
    .hero__inner { grid-template-columns: 1fr; gap: 2.5rem; }
    /* An auto inline margin beats `justify-self: stretch` on a grid item, so the
       card has to carry an explicit width. Without it the card shrink-wraps its
       contents - which are all absolutely positioned - and collapses to 2px,
       taking the photo with it. */
    .hero__portrait { width: min(340px, 100%); max-width: 340px; margin-inline: auto; }
    .hero__content { text-align: center; }
    .hero__bio { margin-inline: auto; }
    .hero__actions, .hero__social { justify-content: center; }
    .about__grid { grid-template-columns: 1fr; }
    .about__card { max-width: 380px; margin-inline: auto; }
    .stats__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    section { padding: 3.4rem 0; }
    .nav__toggle { display: flex; }
    body.menu-open { overflow: hidden; }   /* the page must not scroll behind the menu */

    .nav__menu {
        position: fixed; top: calc(var(--nav-h) + env(safe-area-inset-top, 0px));
        left: 0; right: 0; flex-direction: column; gap: 1.4rem;
        padding: 2.2rem 0 calc(2.6rem + env(safe-area-inset-bottom, 0px));
        background: color-mix(in srgb, var(--bg) 94%, transparent);
        backdrop-filter: blur(20px); border-bottom: 1px solid var(--border);
        /* a landscape phone is shorter than the menu: scroll it instead of clipping */
        max-height: calc(100dvh - var(--nav-h) - env(safe-area-inset-top, 0px));
        overflow-y: auto; overscroll-behavior: contain;
        transform: translateY(-130%); opacity: 0; visibility: hidden; transition: var(--transition);
    }
    .nav__menu.active { transform: none; opacity: 1; visibility: visible; }
    .nav__link { font-size: 1.1rem; }
    /* stacked menu links become full-width ~45px thumb targets; the "Hire Me"
       pill keeps its own padding */
    .nav__link:not(.nav__link--resume) { display: block; padding: .5rem 0; }

    .hero { min-height: auto; padding-top: calc(var(--nav-h) + env(safe-area-inset-top, 0px) + 2rem); }
    .page-head { padding-top: calc(var(--nav-h) + env(safe-area-inset-top, 0px) + 3.4rem); }
    .hero__actions { flex-direction: column; align-items: stretch; }
    .hero__actions .btn { width: 100%; }

    .project__image { height: 180px; }
    .contact__content { padding: 2.2rem 1.3rem; }
    .contact__methods { flex-direction: column; }
    .contact__method { justify-content: center; width: 100%; }

    .pager { flex-direction: column; align-items: stretch; }
    .pager__btn { justify-content: center; width: 100%; }
    .pager__btn--next { flex-direction: row-reverse; }
    .pager__dots { justify-content: center; order: -1; }

    /* cheaper blur for phone GPUs - visually the same soft glow */
    .orb { filter: blur(56px); }
    .orb--4 { display: none; }

    /* 11-12px is too small to read on a phone */
    .pager__meta small { font-size: .75rem; }
    .about__chip { font-size: .8rem; }
    .tech__tag { font-size: .78rem; }
    .cfield__label { font-size: .8rem; }
}

@media (max-width: 560px) {
    /* badge + long title + trailing rule no longer fit on one line */
    .skills__group-head { flex-wrap: wrap; gap: .8rem 1rem; }
    .skills__group-title { white-space: normal; font-size: 1.15rem; }
    .skills__group-line { flex: 1 0 100%; }
}

@media (max-width: 480px) {
    .stats__grid { grid-template-columns: 1fr 1fr; gap: .8rem; }
    .stat { padding: 1.2rem .6rem; }
    .skills__grid { grid-template-columns: 1fr; }
    .skills__group-title { font-size: 1.1rem; }
    .hero__chip--3 { display: none; }
    section { padding: 3.2rem 0; }
    .contact__content { padding: 2.2rem 1.2rem; }
    .project__image { height: 175px; }
    .case__h2 { font-size: 1.2rem; }
    .case__lead { font-size: 1.06rem; }
    .case__figure img { aspect-ratio: 4 / 3; }
}

/* Narrow phones - Galaxy Fold and friends are 280-360px wide */
@media (max-width: 360px) {
    .pager__dots { gap: .4rem; }
    .pager__dot { width: 40px; height: 40px; }
    .hero__pill { font-size: .78rem; }
}

/* Touch screens have no hover, so a hover-only affordance is invisible */
@media (hover: none) {
    .project__view { opacity: 1; transform: none; font-size: .78rem; }
    .project__card:hover::before { opacity: 0; }
}

/* ============================================================
   Reduced motion
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
    .reveal { opacity: 1; transform: none; }
    .cursor-glow { display: none; }
    html { scroll-behavior: auto; }
}