/* ============================================================ GLOBAL — Layout, componentes e atmosfera compartilhados ============================================================ */ /* ---- Containers ---- */ .container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--pad); } .container--wide { max-width: var(--container-wide); } /* ---- Seção base ---- */ .section { position: relative; padding-block: clamp(4.5rem, 11vw, 8.5rem); } .section--tight { padding-block: clamp(3.5rem, 8vw, 6rem); } /* ============================================================ ATMOSFERA — grade de pontos, glow radial e ruído sutil Aplicada a .atmos (geralmente no ou em seções hero) ============================================================ */ .atmos { position: relative; isolation: isolate; } .atmos::before { /* grade de pontos roxos muito sutil */ content: ""; position: absolute; inset: 0; z-index: -2; background-image: radial-gradient(rgba(157, 78, 221, 0.10) 1px, transparent 1px); background-size: 30px 30px; -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%); mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%); pointer-events: none; } /* glow roxo difuso vindo do topo/canto */ .glow { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5; pointer-events: none; z-index: -1; } .glow--tr { width: 46vw; height: 46vw; max-width: 620px; max-height: 620px; top: -18vw; right: -8vw; background: radial-gradient(circle, rgba(157, 78, 221, 0.55), transparent 65%); } .glow--bl { width: 40vw; height: 40vw; max-width: 520px; max-height: 520px; bottom: -16vw; left: -10vw; background: radial-gradient(circle, rgba(123, 47, 190, 0.4), transparent 65%); } /* textura de ruído fina sobre o canvas (SVG inline em data-uri) */ .noise::after { content: ""; position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.035; mix-blend-mode: screen; 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='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); } /* ============================================================ LABEL TÉCNICO (eyebrow em mono) — assinatura tipográfica Categoria ============================================================ */ .eyebrow { display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--font-mono); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--purple-light); } .eyebrow i { width: 26px; height: 1px; background: var(--purple); display: inline-block; } .eyebrow--index { color: var(--muted); } .eyebrow--index b { color: var(--purple-light); font-weight: 700; } /* ---- Cabeçalho de seção ---- */ .section-head { max-width: 720px; margin-bottom: clamp(2.5rem, 5vw, 4rem); } .section-head--center { margin-inline: auto; text-align: center; } .section-head--center .eyebrow { justify-content: center; } .section-title { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem, 5.2vw, 3.6rem); line-height: 0.98; letter-spacing: -0.03em; margin-top: 1.1rem; color: var(--ink); } .section-title em { font-style: normal; color: var(--purple-light); } .section-lead { margin-top: 1.4rem; font-size: clamp(1rem, 1.5vw, 1.15rem); color: var(--ink-2); max-width: 56ch; } .section-head--center .section-lead { margin-inline: auto; } /* ============================================================ BOTÕES ============================================================ */ .btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem; padding: 0.95rem 1.7rem; font-family: var(--font-body); font-size: 0.97rem; font-weight: 600; letter-spacing: -0.01em; border-radius: var(--radius-btn); position: relative; isolation: isolate; transition: transform 0.4s var(--ease-out-expo), background 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; white-space: nowrap; } .btn svg { width: 1.15em; height: 1.15em; flex-shrink: 0; } .btn--lg svg { width: 1.2em; height: 1.2em; } /* fill que sobe de baixo no hover */ .btn--primary { background: var(--purple); color: #fff; box-shadow: 0 10px 30px -8px rgba(157, 78, 221, 0.6); } .btn--primary::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, var(--purple-light), var(--purple-dark)); transform: scaleY(0); transform-origin: bottom; transition: transform 0.4s var(--ease-out-expo); } .btn--primary:hover::before { transform: scaleY(1); } .btn--primary:hover { box-shadow: 0 16px 40px -8px rgba(157, 78, 221, 0.75); } .btn--secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); } .btn--secondary::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(157, 78, 221, 0.12); transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease-out-expo); } .btn--secondary:hover { border-color: var(--purple); color: var(--ink); } .btn--secondary:hover::before { transform: scaleX(1); } .btn--lg { padding: 1.1rem 2rem; font-size: 1.02rem; } .btn--block { width: 100%; } .btn__arrow { transition: transform 0.4s var(--ease-out-expo); } .btn:hover .btn__arrow { transform: translateX(4px); } /* ============================================================ MARQUEE — tecnologias parceiras ============================================================ */ .marquee-section { padding-block: clamp(2rem, 4vw, 3rem); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: var(--bg-2); overflow: hidden; } .marquee-title { text-align: center; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-bottom: 1.6rem; } .marquee { position: relative; width: 100%; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); } .marquee__track { display: flex; width: max-content; animation: marquee 34s linear infinite; } .marquee:hover .marquee__track { animation-play-state: paused; } .marquee__item { flex: 0 0 auto; padding-inline: clamp(1.4rem, 4vw, 3rem); font-family: var(--font-display); font-size: clamp(1.1rem, 2vw, 1.6rem); font-weight: 700; letter-spacing: -0.01em; color: var(--muted); transition: color 0.3s ease; user-select: none; } .marquee__item:hover { color: var(--purple-light); } /* ============================================================ BARRA DE PROGRESSO DE LEITURA ============================================================ */ #progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: var(--z-progress); background: linear-gradient(90deg, var(--purple-dark), var(--purple-light)); box-shadow: 0 0 12px rgba(157, 78, 221, 0.7); transition: width 0.08s linear; } /* ============================================================ PRELOADER ============================================================ */ #preloader { position: fixed; inset: 0; z-index: var(--z-transition); display: grid; place-items: center; background: var(--bg); transition: opacity 0.5s ease, visibility 0.5s ease; } #preloader.is-hidden { opacity: 0; visibility: hidden; } .preloader__mark { font-family: var(--font-display); font-weight: 800; font-size: 1.4rem; letter-spacing: -0.02em; color: var(--ink); display: flex; align-items: center; gap: 0.7rem; } .preloader__mark .brand-hub { color: var(--purple-light); } .mark-inline { height: 30px; width: auto; display: block; flex-shrink: 0; } #page-transition .mark-inline { height: 34px; } .preloader__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--purple); animation: pulse-dot 1s ease-in-out infinite; } /* ============================================================ BACK TO TOP ============================================================ */ #back-to-top { position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: var(--z-nav); width: 50px; height: 50px; display: grid; place-items: center; border-radius: 50%; background: var(--purple); color: #fff; box-shadow: 0 10px 30px -6px rgba(157, 78, 221, 0.6); opacity: 0; visibility: hidden; transform: translateY(16px) scale(0.9); transition: var(--transition); } #back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; } #back-to-top:hover { background: var(--purple-dark); transform: translateY(-3px); } /* ---- Helper acessível ---- */ .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; } /* ---- Skip link ---- */ .skip-link { position: fixed; top: -60px; left: 1rem; z-index: var(--z-cursor); background: var(--purple); color: #fff; padding: 0.7rem 1.1rem; border-radius: var(--radius-btn); font-weight: 600; transition: top 0.2s ease; } .skip-link:focus { top: 1rem; }