/* =========================================================
   JigsawLabs — revamped UI
   Theme: jigsaw + circuit board · navy / steel / slate / soft light-blue
   ========================================================= */

:root {
	--bg:        #0b1220;
	--bg-2:      #0f1729;
	--bg-card:   rgba(255,255,255,0.022);
	--ink:       #e8edf6;
	--ink-soft:  #9aa6bd;
	--ink-faint: #5f6d86;

	/* Formal palette — navy, steel, slate, soft light blue.
	   Variable names kept for stability; values are muted/professional. */
	--cyan:   #7fa8d4;  /* light blue — primary accent  */
	--teal:   #5d86b8;  /* steel blue — secondary        */
	--amber:  #94a3bd;  /* cool slate — neutral accent   */
	--orange: #5d86b8;
	--indigo: #6f8fbf;  /* soft navy-blue                */

	--line:   rgba(255,255,255,0.07);
	--line-2: rgba(255,255,255,0.13);

	--grad: linear-gradient(100deg, var(--cyan), var(--teal) 55%, var(--indigo) 100%);
	--grad-soft: linear-gradient(120deg, rgba(127,168,212,.12), rgba(111,143,191,.08));

	--accent-rgb: 127,168,212;   /* light blue */
	--steel-rgb:  93,134,184;    /* steel blue */

	--maxw: 1180px;
	--ease: cubic-bezier(.22,.61,.36,1);
	--ease-out: cubic-bezier(.16,1,.3,1);

	--font: 'Sora', system-ui, -apple-system, sans-serif;
	--mono: 'JetBrains Mono', ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
	font-family: var(--font);
	background: var(--bg);
	color: var(--ink);
	line-height: 1.65;
	font-weight: 300;
	overflow-x: hidden;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

::selection { background: var(--cyan); color: #04121a; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
svg { display: block; }

.grad {
	background: var(--grad);
	-webkit-background-clip: text; background-clip: text;
	-webkit-text-fill-color: transparent; color: transparent;
}

/* ---------------- Background layers ---------------- */
.net-canvas {
	position: fixed; inset: 0; z-index: 0;
	width: 100%; height: 100%;
	pointer-events: none;
}
.bg-glow {
	position: fixed; inset: 0; z-index: 0; pointer-events: none;
	background:
		radial-gradient(48vw 48vw at 12% 8%,  rgba(127,168,212,.10), transparent 60%),
		radial-gradient(42vw 42vw at 88% 22%, rgba(93,134,184,.08), transparent 60%),
		radial-gradient(50vw 50vw at 70% 92%, rgba(111,143,191,.10), transparent 60%);
	mix-blend-mode: screen;
}
.grain {
	position: fixed; inset: -50%; z-index: 1; pointer-events: none; opacity: .035;
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
	animation: grain 7s steps(8) infinite;
}
@keyframes grain {
	0%,100%{transform:translate(0,0)} 10%{transform:translate(-4%,-4%)}
	30%{transform:translate(3%,-2%)} 50%{transform:translate(-2%,4%)}
	70%{transform:translate(4%,2%)} 90%{transform:translate(-3%,3%)}
}

/* ---------------- Custom cursor ---------------- */
.cursor, .cursor-dot { position: fixed; top: 0; left: 0; z-index: 9999; pointer-events: none; border-radius: 50%; mix-blend-mode: screen; }
.cursor {
	width: 38px; height: 38px; border: 1px solid rgba(127,168,212,.6);
	transform: translate(-50%,-50%);
	transition: width .25s var(--ease), height .25s var(--ease), background .25s, border-color .25s;
}
.cursor-dot { width: 5px; height: 5px; background: var(--cyan); transform: translate(-50%,-50%); }
.cursor.is-hover { width: 64px; height: 64px; background: rgba(127,168,212,.08); border-color: rgba(93,134,184,.7); }
@media (hover: none), (pointer: coarse) { .cursor, .cursor-dot { display: none; } }

/* ---------------- Preloader ---------------- */
.preloader {
	position: fixed; inset: 0; z-index: 10000;
	display: grid; place-content: center; gap: 1.4rem; justify-items: center;
	background: var(--bg);
	transition: opacity .6s var(--ease), visibility .6s;
}
.preloader.done { opacity: 0; visibility: hidden; }
.preloader__svg .pp { stroke: var(--cyan); opacity: 0; transform-box: fill-box; transform-origin: center; }
.pp--2 { stroke: var(--amber); } .pp--3 { stroke: var(--indigo); } .pp--4 { stroke: var(--teal); }
.preloader.run .pp--1 { animation: snap .6s var(--ease-out) forwards; }
.preloader.run .pp--2 { animation: snap .6s .12s var(--ease-out) forwards; }
.preloader.run .pp--3 { animation: snap .6s .24s var(--ease-out) forwards; }
.preloader.run .pp--4 { animation: snap .6s .36s var(--ease-out) forwards; }
@keyframes snap { from { opacity: 0; transform: scale(.4) translateY(14px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.preloader__label { font-family: var(--mono); font-size: .72rem; letter-spacing: .42em; color: var(--ink-soft); }
.preloader__label .dots i { animation: blink 1.2s infinite; } .dots i:nth-child(2){animation-delay:.2s} .dots i:nth-child(3){animation-delay:.4s}
@keyframes blink { 0%,100%{opacity:.2} 50%{opacity:1} }

/* ---------------- Scroll progress ---------------- */
.scroll-progress {
	position: fixed; top: 0; left: 0; height: 3px; width: 0%; z-index: 9000;
	background: var(--grad); box-shadow: 0 0 14px rgba(127,168,212,.6);
}

/* ---------------- Navigation ---------------- */
.nav {
	position: fixed; top: 0; left: 0; right: 0; z-index: 800;
	display: flex; align-items: center; justify-content: space-between;
	padding: 1.35rem clamp(1rem, 4vw, 3rem);
	transition: padding .4s var(--ease), background .4s, backdrop-filter .4s, border-color .4s;
	border-bottom: 1px solid transparent;
}
.nav.scrolled {
	padding-top: .85rem; padding-bottom: .85rem;
	background: rgba(6,9,18,.72); backdrop-filter: blur(14px) saturate(1.4);
	border-bottom-color: var(--line);
}
.nav__brand { display: flex; align-items: center; gap: .8rem; }
.nav__logo { width: 66px; height: 66px; object-fit: contain; filter: drop-shadow(0 4px 14px rgba(127,168,212,.4)); transition: transform .5s var(--ease); }
.nav__brand:hover .nav__logo { transform: rotate(-12deg) scale(1.08); }
.nav__name { font-weight: 800; letter-spacing: .14em; font-size: 1.62rem; }
.nav__name span { font-weight: 300; color: var(--cyan); }
.nav__links { display: flex; align-items: center; gap: .4rem; }
.nav__links a { position: relative; padding: .5rem .9rem; font-size: .9rem; color: var(--ink-soft); border-radius: 8px; transition: color .25s; }
.nav__links a:not(.nav__cta)::after {
	content: ''; position: absolute; left: .9rem; right: .9rem; bottom: .35rem; height: 1px;
	background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after, .nav__links a.active::after { transform: scaleX(1); }
.nav__links a.active { color: var(--ink); }
.nav__cta {
	border: 1px solid var(--line-2); color: var(--ink) !important; margin-left: .5rem;
	background: var(--grad-soft); transition: border-color .3s, box-shadow .3s, transform .3s;
}
.nav__cta:hover { border-color: var(--cyan); box-shadow: 0 0 24px rgba(127,168,212,.25); transform: translateY(-1px); }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; z-index: 810; }
.nav__toggle span { width: 26px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s; }
.nav.open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- Layout helpers ---------------- */
main { position: relative; z-index: 2; }
.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(5rem, 11vw, 9rem) clamp(1.2rem, 5vw, 2rem); }
.section__head { max-width: 760px; margin-bottom: 3.2rem; }
.kicker {
	display: inline-block; font-family: var(--mono); font-size: .74rem; letter-spacing: .28em;
	text-transform: uppercase; color: var(--cyan); margin-bottom: 1rem;
}
.section__title { font-size: clamp(2rem, 5.2vw, 3.6rem); font-weight: 700; line-height: 1.08; letter-spacing: -.02em; }
.section__intro { margin-top: 1.2rem; color: var(--ink-soft); font-size: 1.08rem; max-width: 56ch; }

/* ---------------- Buttons ---------------- */
.btn {
	position: relative; display: inline-flex; align-items: center; gap: .55rem;
	padding: .92rem 1.6rem; border-radius: 999px; font-weight: 600; font-size: .96rem;
	cursor: pointer; border: 1px solid transparent; transition: transform .3s var(--ease), box-shadow .3s, background .3s, color .3s;
	will-change: transform;
}
.btn svg { transition: transform .3s var(--ease); }
.btn--primary { color: #04121a; background: var(--grad); box-shadow: 0 10px 30px -10px rgba(127,168,212,.6); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -10px rgba(93,134,184,.55); }
.btn--primary:hover svg { transform: translateX(4px); }
.btn--ghost { color: var(--ink); border-color: var(--line-2); background: rgba(255,255,255,.02); }
.btn--ghost:hover { border-color: var(--cyan); transform: translateY(-2px); box-shadow: 0 0 26px rgba(127,168,212,.2); }
.btn--block { width: 100%; justify-content: center; margin-top: .8rem; }

/* ---------------- Reveal animation ---------------- */
[data-reveal] { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1 !important; transform: none !important; } }

/* ================= HERO ================= */
.hero {
	position: relative; min-height: 100svh; display: grid; align-items: center;
	padding: 6rem clamp(1.2rem, 5vw, 2rem) 4rem; max-width: var(--maxw); margin: 0 auto;
}
.hero__inner { max-width: 880px; position: relative; z-index: 3; }
.hero__eyebrow {
	display: inline-flex; align-items: center; gap: .6rem; font-family: var(--mono);
	font-size: .8rem; letter-spacing: .2em; color: var(--ink-soft);
	padding: .4rem .9rem; border: 1px solid var(--line); border-radius: 999px; margin-bottom: 1.6rem;
	background: rgba(255,255,255,.02);
}
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 0 rgba(127,168,212,.6); animation: pulse 2s infinite; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(127,168,212,.5)} 70%{box-shadow:0 0 0 10px rgba(127,168,212,0)} 100%{box-shadow:0 0 0 0 rgba(127,168,212,0)} }

.hero__title { font-size: clamp(2.6rem, 8.5vw, 6rem); font-weight: 800; line-height: 1.02; letter-spacing: -.03em; }
.hero__title .line { display: block; overflow: hidden; }
.rotator { display: inline-grid; vertical-align: bottom; }
.rotator > span {
	grid-area: 1/1; background: var(--grad); -webkit-background-clip: text; background-clip: text;
	-webkit-text-fill-color: transparent; color: transparent;
	opacity: 0; transform: translateY(40%); transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.rotator > span.is-active { opacity: 1; transform: translateY(0); }
.rotator > span.is-leaving { opacity: 0; transform: translateY(-40%); }
.hero__sub { margin-top: 1.8rem; max-width: 58ch; color: var(--ink-soft); font-size: clamp(1rem, 1.6vw, 1.18rem); }
.hero__actions { margin-top: 2.4rem; display: flex; flex-wrap: wrap; gap: 1rem; }

.hero__scroll { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); display: grid; justify-items: center; gap: .6rem; z-index: 3; }
.hero__scroll-line { width: 1px; height: 46px; background: linear-gradient(var(--cyan), transparent); position: relative; overflow: hidden; }
.hero__scroll-line::after { content:''; position:absolute; top:-50%; left:0; width:100%; height:50%; background: var(--cyan); animation: scrollLine 1.8s infinite; }
@keyframes scrollLine { 0%{top:-50%} 100%{top:120%} }
.hero__scroll-text { font-family: var(--mono); font-size: .64rem; letter-spacing: .35em; color: var(--ink-faint); text-transform: uppercase; }

.hero__pieces { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.float-piece { position: absolute; opacity: .14; color: var(--cyan); width: 130px; }
.fp1 { top: 14%; right: 8%;  color: var(--cyan);  animation: floatA 13s ease-in-out infinite; }
.fp2 { top: 58%; right: 18%; color: var(--amber); width: 90px;  animation: floatB 16s ease-in-out infinite; }
.fp3 { top: 30%; left: 4%;   color: var(--indigo);width: 70px;  animation: floatA 19s ease-in-out infinite reverse; }
.fp4 { bottom: 14%; left: 14%;color: var(--teal); width: 110px; animation: floatB 15s ease-in-out infinite; }
@keyframes floatA { 0%,100%{transform:translateY(0) rotate(0)} 50%{transform:translateY(-30px) rotate(12deg)} }
@keyframes floatB { 0%,100%{transform:translateY(0) rotate(0)} 50%{transform:translateY(26px) rotate(-14deg)} }

/* ================= MARQUEE ================= */
.marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 1.1rem 0; position: relative; z-index: 2; background: rgba(255,255,255,.012); }
.marquee__track { display: inline-flex; align-items: center; gap: 2.2rem; white-space: nowrap; animation: marquee 26s linear infinite; }
.marquee__track span { font-family: var(--mono); font-weight: 500; font-size: 1.05rem; letter-spacing: .22em; color: var(--ink-soft); }
.marquee__track i { color: var(--amber); font-size: .7rem; opacity: .8; }
@keyframes marquee { from { transform: translateX(0) } to { transform: translateX(-50%) } }

/* ================= MISSION ================= */
.mission__lead { font-size: clamp(1.3rem, 3vw, 2rem); font-weight: 300; line-height: 1.45; max-width: 60ch; margin-bottom: 3.5rem; }
.mission__lead strong { font-weight: 600; color: var(--ink); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.stat { padding: 1.6rem 1.4rem; border: 1px solid var(--line); border-radius: 16px; background: var(--bg-card); position: relative; overflow: hidden; }
.stat::before { content:''; position:absolute; inset:0; background: var(--grad-soft); opacity:0; transition: opacity .4s; }
.stat:hover::before { opacity: 1; }
.stat__num { display: block; font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; line-height: 1; letter-spacing: -.02em; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; position: relative; }
.stat__label { display: block; margin-top: .7rem; font-size: .82rem; color: var(--ink-soft); letter-spacing: .04em; position: relative; }

/* ================= CARDS (What we build) ================= */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.card {
	position: relative; padding: 2.2rem; border: 1px solid var(--line); border-radius: 20px;
	background: var(--bg-card); overflow: hidden; transform-style: preserve-3d;
	transition: border-color .4s, transform .25s var(--ease), box-shadow .4s;
}
.card::after { /* puzzle-tab notch decoration */
	content: ''; position: absolute; top: 24px; right: -1px; width: 22px; height: 44px;
	border: 1px solid var(--line); border-right: 0; border-radius: 12px 0 0 12px;
	background: var(--bg); opacity: .6;
}
.card:hover { border-color: var(--line-2); box-shadow: 0 30px 60px -30px rgba(0,0,0,.8); }
.card__glow { position: absolute; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(127,168,212,.16), transparent 65%); opacity: 0; transition: opacity .4s; pointer-events: none; transform: translate(-50%,-50%); left: var(--mx,50%); top: var(--my,50%); }
.card:hover .card__glow { opacity: 1; }
.card__icon { width: 56px; height: 56px; display: grid; place-items: center; border-radius: 14px; background: var(--grad-soft); border: 1px solid var(--line); margin-bottom: 1.4rem; color: var(--cyan); }
.card__icon svg { width: 28px; height: 28px; }
.card h3 { font-size: 1.4rem; font-weight: 700; letter-spacing: -.01em; margin-bottom: .7rem; }
.card p { color: var(--ink-soft); font-size: .98rem; }
.card__tag { display: inline-block; margin-top: 1.3rem; font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; color: var(--ink-faint); }
.card:nth-child(2) .card__icon { color: var(--amber); }
.card:nth-child(3) .card__icon { color: var(--indigo); }
.card:nth-child(4) .card__icon { color: var(--teal); }

/* ================= PHILOSOPHY ================= */
.philosophy { text-align: center; }
.philosophy__inner { max-width: 900px; margin: 0 auto; display: grid; justify-items: center; }
.philosophy__quote { font-size: clamp(2rem, 6.5vw, 4.4rem); font-weight: 800; line-height: 1.05; letter-spacing: -.03em; margin: 1rem 0 1.6rem; }
.philosophy__quote span { display: block; }
.philosophy__body { max-width: 60ch; color: var(--ink-soft); font-size: 1.08rem; }
.puzzle { margin-top: 3.5rem; width: min(360px, 80vw); }
.puzzle__svg { width: 100%; overflow: visible; }
.puz { transform-box: fill-box; transform-origin: center; transition: transform .9s var(--ease-out), opacity .9s; filter: drop-shadow(0 12px 24px rgba(0,0,0,.5)); }
.puzzle:not(.assembled) .puz1 { transform: translate(-120px,-120px) rotate(-40deg); opacity: 0; }
.puzzle:not(.assembled) .puz2 { transform: translate(120px,-120px) rotate(40deg); opacity: 0; }
.puzzle:not(.assembled) .puz3 { transform: translate(-120px,120px) rotate(40deg); opacity: 0; }
.puzzle:not(.assembled) .puz4 { transform: translate(120px,120px) rotate(-40deg); opacity: 0; }
.puzzle.assembled .puz { transform: none; opacity: 1; }
.puzzle.assembled .puz1 { transition-delay: 0s; }
.puzzle.assembled .puz2 { transition-delay: .12s; }
.puzzle.assembled .puz3 { transition-delay: .24s; }
.puzzle.assembled .puz4 { transition-delay: .36s; }
.puzzle.assembled .puz:hover { transform: scale(1.04) translateY(-4px); cursor: pointer; }

/* ================= 3D SCROLL-ASSEMBLED PUZZLE ================= */
.assemble3d { position: relative; height: 320vh; z-index: 2; }
.assemble3d__sticky {
	position: sticky; top: 0; height: 100vh; height: 100svh;
	overflow: hidden; display: grid; place-items: center;
}
.assemble3d__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.assemble3d__overlay {
	position: relative; z-index: 2; text-align: center; pointer-events: none;
	padding: 0 1.2rem; max-width: 760px; align-self: start; margin-top: 12vh;
}
.assemble3d__overlay .kicker { color: var(--cyan); }
.assemble3d__overlay .section__title { margin-top: .4rem; }
.assemble3d__hint { margin-top: 1.4rem; font-family: var(--mono); font-size: .76rem; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-soft); }
.hint-arrow { display: inline-block; animation: bobArrow 1.8s var(--ease) infinite; }
@keyframes bobArrow { 0%,100% { transform: translateY(0); opacity: .5 } 50% { transform: translateY(5px); opacity: 1 } }
.assemble3d__fallback[hidden] { display: none; }
.assemble3d__fallback { position: absolute; inset: 0; display: grid; place-items: center; padding: 2rem; }
.assemble3d__fallback img { max-width: min(420px, 70vw); filter: drop-shadow(0 24px 50px rgba(0,0,0,.6)); animation: bob 7s ease-in-out infinite; }
@media (prefers-reduced-motion: reduce) {
	.assemble3d { height: auto; }
	.assemble3d__sticky { position: relative; height: auto; padding: 5rem 0; }
	.assemble3d__canvas { position: relative; height: 60vh; }
}

/* ================= PROCESS / TIMELINE ================= */
.timeline { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; counter-reset: tl; position: relative; }
.timeline::before { content:''; position: absolute; top: 28px; left: 6%; right: 6%; height: 1px; background: linear-gradient(90deg, transparent, var(--line-2), transparent); }
.tl { position: relative; padding-top: 0; }
.tl__num { display: inline-grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; font-family: var(--mono); font-weight: 500; color: var(--cyan); border: 1px solid var(--line-2); background: var(--bg); position: relative; z-index: 1; margin-bottom: 1.2rem; transition: border-color .4s, box-shadow .4s, color .4s; }
.tl:hover .tl__num { border-color: var(--cyan); box-shadow: 0 0 24px rgba(127,168,212,.3); color: var(--amber); }
.tl h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: .5rem; }
.tl p { color: var(--ink-soft); font-size: .92rem; }

/* ================= ABOUT ================= */
.about__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.about__text p { color: var(--ink-soft); margin-top: 1.2rem; font-size: 1.04rem; }
.about__text strong { color: var(--ink); font-weight: 600; }
.about__text .section__title { margin-top: 1rem; }
.about__visual { position: relative; padding: 1rem; transform-style: preserve-3d; display: grid; place-items: center; }
.brand-lockup { position: relative; z-index: 1; display: grid; justify-items: center; gap: 1.4rem; animation: bob 7s ease-in-out infinite; }
.brand-lockup__mark { width: min(260px, 60vw); filter: drop-shadow(0 24px 50px rgba(0,0,0,.55)); }
.brand-lockup__word { font-weight: 800; letter-spacing: .12em; font-size: clamp(1.8rem, 4vw, 2.6rem);
	background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.brand-lockup__word span { font-weight: 300; -webkit-text-fill-color: var(--ink-soft); color: var(--ink-soft); }
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
.about__visual-glow { position: absolute; inset: 0; background: radial-gradient(60% 60% at 50% 50%, rgba(127,168,212,.14), transparent 70%); pointer-events: none; }

/* ================= CONTACT ================= */
.contact__inner { max-width: 720px; margin: 0 auto; }
.contact .section__head { text-align: center; margin-left: auto; margin-right: auto; }
.contact .section__intro { margin-left: auto; margin-right: auto; }
.form { margin-top: 2.6rem; display: grid; gap: 1.8rem; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.8rem; }
.field { position: relative; }
.field input, .field textarea {
	width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--line-2);
	color: var(--ink); font-family: var(--font); font-size: 1rem; padding: .8rem 0; resize: vertical;
}
.field textarea { min-height: 120px; }
.field label { position: absolute; left: 0; top: .8rem; color: var(--ink-faint); pointer-events: none; transition: transform .3s var(--ease), color .3s, font-size .3s; font-size: 1rem; }
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label {
	transform: translateY(-1.55rem); font-size: .74rem; color: var(--cyan); letter-spacing: .05em;
}
.field input:focus, .field textarea:focus { outline: none; }
.field__line { position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--grad); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.field input:focus ~ .field__line, .field textarea:focus ~ .field__line { transform: scaleX(1); }
.hidden { display: none; }
.form__status { min-height: 1.2em; margin-top: -.4rem; font-size: .9rem; text-align: center; transition: color .3s; }
.form__status.is-error { color: #e98b8b; }
.form__status.is-ok { color: var(--cyan); }

/* ================= FOOTER ================= */
.footer { position: relative; z-index: 2; border-top: 1px solid var(--line); margin-top: 4rem; background: rgba(6,9,18,.6); }
.footer__inner { max-width: var(--maxw); margin: 0 auto; padding: 3.5rem clamp(1.2rem,5vw,2rem) 2rem; display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; align-items: center; }
.footer__brand { display: flex; align-items: center; gap: 1rem; }
.footer__logo { width: 50px; height: 50px; object-fit: contain; filter: drop-shadow(0 0 10px rgba(127,168,212,.35)); }
.footer__name { font-weight: 800; letter-spacing: .12em; font-size: 1.1rem; }
.footer__name span { font-weight: 300; color: var(--cyan); }
.footer__tag { color: var(--ink-soft); font-size: .9rem; margin-top: .2rem; }
.socials { list-style: none; display: flex; gap: .8rem; }
.socials a { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 12px; color: var(--ink-soft); transition: color .3s, border-color .3s, transform .3s, background .3s; }
.socials svg { width: 20px; height: 20px; }
.socials a:hover { color: var(--cyan); border-color: var(--cyan); transform: translateY(-3px); background: var(--grad-soft); }
.footer__bottom { max-width: var(--maxw); margin: 0 auto; padding: 1.4rem clamp(1.2rem,5vw,2rem); border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: .6rem; justify-content: space-between; font-size: .84rem; color: var(--ink-faint); }
.footer__bottom a { color: var(--cyan); }
.footer__credit { font-family: var(--mono); letter-spacing: .1em; }

.svg-defs { position: absolute; }

/* ================= RESPONSIVE ================= */
@media (max-width: 900px) {
	.nav__links {
		position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px);
		flex-direction: column; align-items: flex-start; justify-content: center; gap: 1rem;
		padding: 2rem; background: rgba(8,12,22,.96); backdrop-filter: blur(18px);
		transform: translateX(100%); transition: transform .45s var(--ease); border-left: 1px solid var(--line);
	}
	.nav.open .nav__links { transform: translateX(0); }
	.nav__links a { font-size: 1.2rem; }
	.nav__toggle { display: flex; }
	.stats { grid-template-columns: repeat(2, 1fr); }
	.cards { grid-template-columns: 1fr; }
	.timeline { grid-template-columns: 1fr; gap: 1.6rem; }
	.timeline::before { display: none; }
	.tl { display: grid; grid-template-columns: 56px 1fr; column-gap: 1.2rem; align-items: start; }
	.tl__num { margin-bottom: 0; }
	.tl h3, .tl p { grid-column: 2; }
	.about__grid { grid-template-columns: 1fr; }
	.about__visual { order: -1; }
}
@media (max-width: 540px) {
	.nav__logo { width: 50px; height: 50px; }
	.nav__name { font-size: 1.3rem; }
	.form__row { grid-template-columns: 1fr; }
	.stats { grid-template-columns: 1fr; }
	.hero__actions .btn { flex: 1; justify-content: center; }
	.float-piece { display: none; }
}