/* ===================================================================
 * SPIRE — Design System
 * Folha de estilo principal do website spire.pt
 *
 * Índice
 *   01. Tokens (cores, tipografia, espaçamento, movimento)
 *   02. Reset e base
 *   03. Tipografia
 *   04. Layout e utilitários
 *   05. Textura (grão + grelha)
 *   06. Preloader
 *   07. Botões e links
 *   08. Cabeçalho e navegação
 *   09. Hero
 *   10. Faixa de competências (marquee)
 *   11. Sobre
 *   12. Serviços
 *   13. Faixa de chamada à ação
 *   14. Contactos e formulário
 *   15. Rodapé
 *   16. Revelações de scroll
 *   17. Responsivo
 *   18. Movimento reduzido / impressão
 * =================================================================== */


/* -------------------------------------------------------------------
 * 01. Tokens
 * ---------------------------------------------------------------- */
:root {
    /* Tipos de letra */
    --font-display : "Sora", "Inter", system-ui, sans-serif;
    --font-body    : "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    --font-accent  : "Instrument Serif", Georgia, "Times New Roman", serif;
    --font-mono    : ui-monospace, "SFMono-Regular", Consolas, monospace;

    /* Paleta base — tinta */
    --ink-900 : #050607;
    --ink-800 : #08090a;
    --ink-700 : #0c0e10;
    --ink-600 : #121417;
    --ink-500 : #1a1d21;

    /* Paleta base — osso */
    --bone-100 : #faf8f5;
    --bone-200 : #f4f1ec;
    --bone-300 : #e7e2da;

    /* Cor de marca — âmbar do logótipo (#F9A828) */
    --amber      : #f9a828;
    --amber-high : #ffc46b;
    --amber-deep : #b5730c;
    --amber-glow : rgba(249, 168, 40, .35);

    /* Tema (redefinido por .theme-light / .theme-dark) */
    --bg        : var(--ink-800);
    --fg        : var(--bone-200);
    --fg-muted  : rgba(244, 241, 236, .58);
    --fg-faint  : rgba(244, 241, 236, .34);
    --line      : rgba(255, 255, 255, .09);
    --line-firm : rgba(255, 255, 255, .18);
    --surface   : rgba(255, 255, 255, .028);
    --surface-2 : rgba(255, 255, 255, .05);

    /* Métrica */
    --maxw       : 1340px;
    --maxw-text  : 62ch;
    --gutter     : clamp(1.25rem, 5vw, 4.5rem);
    --section-y  : clamp(6rem, 14vh, 11.5rem);
    --header-h   : 84px;

    /* Raios */
    --r-xs   : 4px;
    --r-sm   : 8px;
    --r-md   : 16px;
    --r-lg   : 28px;
    --r-pill : 999px;

    /* Escala tipográfica fluida */
    --fs-hero    : clamp(2.9rem, 8.2vw, 8.4rem);
    --fs-display : clamp(2.4rem, 5.6vw, 5.4rem);
    --fs-h2      : clamp(1.9rem, 3.4vw, 3.1rem);
    --fs-h3      : clamp(1.25rem, 1.8vw, 1.6rem);
    --fs-lead    : clamp(1.05rem, 1.35vw, 1.32rem);
    --fs-body    : clamp(.98rem, 1.05vw, 1.06rem);
    --fs-small   : .875rem;
    --fs-micro   : .72rem;

    /* Movimento */
    --ease     : cubic-bezier(.22, 1, .36, 1);
    --ease-io  : cubic-bezier(.65, .05, .36, 1);
    --dur-fast : .28s;
    --dur      : .55s;
    --dur-slow : 1.1s;

    /* Camadas */
    --z-grain     : 1;
    --z-header    : 60;
    --z-menu      : 70;
    --z-preloader : 100;
}

.theme-dark {
    --bg        : var(--ink-800);
    --fg        : var(--bone-200);
    --fg-muted  : rgba(244, 241, 236, .58);
    --fg-faint  : rgba(244, 241, 236, .34);
    --line      : rgba(255, 255, 255, .09);
    --line-firm : rgba(255, 255, 255, .18);
    --surface   : rgba(255, 255, 255, .028);
    --surface-2 : rgba(255, 255, 255, .05);
}

.theme-light {
    --bg        : var(--bone-200);
    --fg        : var(--ink-700);
    --fg-muted  : rgba(12, 14, 16, .62);
    --fg-faint  : rgba(12, 14, 16, .38);
    --line      : rgba(12, 14, 16, .12);
    --line-firm : rgba(12, 14, 16, .26);
    --surface   : rgba(12, 14, 16, .03);
    --surface-2 : rgba(12, 14, 16, .06);
}


/* -------------------------------------------------------------------
 * 02. Reset e base
 * ---------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    background: var(--ink-900);
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    font-weight: 400;
    line-height: 1.7;
    color: var(--fg);
    background: var(--bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern" 1, "liga" 1;
}

body.is-locked {
    overflow: hidden;
}

img,
svg,
video {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
    color: inherit;
    background: none;
    border: 0;
}

button {
    cursor: pointer;
}

ul,
ol {
    list-style: none;
}

::selection {
    background: var(--amber);
    color: var(--ink-900);
}

:focus-visible {
    outline: 2px solid var(--amber);
    outline-offset: 3px;
    border-radius: var(--r-xs);
}

/* Salto para conteúdo — acessibilidade de teclado */
.skip-link {
    position: absolute;
    top: -100px;
    left: var(--gutter);
    z-index: 200;
    padding: .75rem 1.25rem;
    background: var(--amber);
    color: var(--ink-900);
    border-radius: var(--r-pill);
    font-size: var(--fs-small);
    font-weight: 600;
    transition: top var(--dur-fast) var(--ease);
}

.skip-link:focus-visible {
    top: 1rem;
}

.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;
}


/* -------------------------------------------------------------------
 * 03. Tipografia
 * ---------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 300;
    line-height: 1.04;
    letter-spacing: -.035em;
    color: var(--fg);
    text-wrap: balance;
}

p {
    text-wrap: pretty;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .7rem;
    font-family: var(--font-body);
    font-size: var(--fs-micro);
    font-weight: 500;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--fg-muted);
}

.eyebrow::before {
    content: "";
    width: 34px;
    height: 1px;
    background: var(--amber);
    flex: none;
}

.eyebrow--plain::before {
    display: none;
}

.section-index {
    font-family: var(--font-mono);
    font-size: var(--fs-micro);
    letter-spacing: .18em;
    color: var(--amber);
}

.lead {
    font-size: var(--fs-lead);
    line-height: 1.65;
    color: var(--fg-muted);
    max-width: var(--maxw-text);
    font-weight: 300;
}

.accent {
    font-family: var(--font-accent);
    font-style: italic;
    font-weight: 400;
    letter-spacing: -.01em;
    color: var(--amber);
}

.text-muted {
    color: var(--fg-muted);
}


/* -------------------------------------------------------------------
 * 04. Layout e utilitários
 * ---------------------------------------------------------------- */
.shell {
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.section {
    position: relative;
    padding-block: var(--section-y);
    background: var(--bg);
    color: var(--fg);
}

.section__head {
    display: grid;
    gap: 1.5rem;
    margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.section__head-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--line);
}

.section__title {
    font-size: var(--fs-display);
    max-width: 18ch;
}

/* Âncoras compensam o cabeçalho fixo */
[id] {
    scroll-margin-top: calc(var(--header-h) + 1rem);
}

.hairline {
    height: 1px;
    background: var(--line);
    border: 0;
}


/* -------------------------------------------------------------------
 * 05. Textura (grão + grelha)
 * ---------------------------------------------------------------- */
.grain {
    position: fixed;
    inset: 0;
    z-index: var(--z-grain);
    pointer-events: none;
    opacity: .32;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
    background-size: 220px 220px;
}

.grid-lines {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: .5;
    background-image:
        linear-gradient(to right, var(--line) 1px, transparent 1px);
    background-size: calc(100% / 6) 100%;
    mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
    -webkit-mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
}


/* -------------------------------------------------------------------
 * 06. Preloader
 * ---------------------------------------------------------------- */
.preloader {
    position: fixed;
    inset: 0;
    z-index: var(--z-preloader);
    display: grid;
    place-items: center;
    background: var(--ink-900);
    transition: opacity .8s var(--ease), visibility .8s;
}

.preloader__inner {
    display: grid;
    justify-items: center;
    gap: 2.25rem;
    width: min(360px, 72vw);
}

.preloader__mark {
    width: 58px;
    animation: markPulse 2.4s var(--ease-io) infinite;
}

.preloader__bar {
    position: relative;
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, .12);
    overflow: hidden;
}

.preloader__bar span {
    position: absolute;
    inset: 0 auto 0 0;
    width: 0;
    background: linear-gradient(90deg, var(--amber-deep), var(--amber-high));
    transition: width .3s linear;
}

.preloader__count {
    font-family: var(--font-mono);
    font-size: var(--fs-micro);
    letter-spacing: .2em;
    color: var(--fg-faint);
}

.is-loaded .preloader {
    opacity: 0;
    visibility: hidden;
}

@keyframes markPulse {
    0%, 100% { opacity: .45; transform: scale(.94); }
    50%      { opacity: 1;   transform: scale(1); }
}


/* -------------------------------------------------------------------
 * 07. Botões e links
 * ---------------------------------------------------------------- */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    padding: 1.05rem 1.9rem;
    border-radius: var(--r-pill);
    font-family: var(--font-body);
    font-size: var(--fs-small);
    font-weight: 500;
    letter-spacing: .02em;
    white-space: nowrap;
    overflow: hidden;
    isolation: isolate;
    transition: color var(--dur-fast) var(--ease),
                border-color var(--dur-fast) var(--ease),
                transform var(--dur-fast) var(--ease);
}

.btn::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: inherit;
    transform: translateY(101%);
    transition: transform .5s var(--ease);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:hover::before {
    transform: translateY(0);
}

.btn__arrow {
    flex: none;
    transition: transform .45s var(--ease);
}

.btn:hover .btn__arrow {
    transform: translateX(4px);
}

/* Primário — âmbar sólido */
.btn--primary {
    background: var(--amber);
    color: var(--ink-900);
}

.btn--primary::before {
    background: var(--bone-100);
}

.btn--primary:hover {
    color: var(--ink-900);
}

/* Contorno */
.btn--ghost {
    border: 1px solid var(--line-firm);
    color: var(--fg);
}

.btn--ghost::before {
    background: var(--fg);
}

.btn--ghost:hover {
    color: var(--bg);
    border-color: var(--fg);
}

/* Link com sublinhado animado */
.link-underline {
    position: relative;
    display: inline-block;
    padding-bottom: 2px;
}

.link-underline::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .45s var(--ease);
}

.link-underline:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}


/* -------------------------------------------------------------------
 * 08. Cabeçalho e navegação
 * ---------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-header);
    height: var(--header-h);
    display: flex;
    align-items: center;
    transition: background-color var(--dur) var(--ease),
                backdrop-filter var(--dur) var(--ease),
                border-color var(--dur) var(--ease),
                height var(--dur) var(--ease);
    border-bottom: 1px solid transparent;
}

.header.is-stuck {
    height: 68px;
    background: rgba(8, 9, 10, .72);
    backdrop-filter: saturate(160%) blur(18px);
    -webkit-backdrop-filter: saturate(160%) blur(18px);
    border-bottom-color: rgba(255, 255, 255, .07);
}

.header__inner {
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: var(--gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.header__logo {
    display: inline-flex;
    align-items: center;
    gap: .8rem;
}

.header__logo img {
    width: 38px;
    transition: transform .6s var(--ease);
}

.header__logo:hover img {
    transform: rotate(-12deg);
}

.header__logo-word {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: .4em;
    text-transform: uppercase;
    color: var(--bone-200);
    padding-left: .15em;
}

/* Navegação em linha (desktop) */
.nav-inline {
    display: none;
    align-items: center;
    gap: .35rem;
    padding: .35rem;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: var(--r-pill);
    background: rgba(255, 255, 255, .03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.nav-inline a {
    position: relative;
    padding: .55rem 1.15rem;
    border-radius: var(--r-pill);
    font-size: var(--fs-small);
    font-weight: 400;
    color: rgba(244, 241, 236, .68);
    transition: color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.nav-inline a:hover,
.nav-inline a.is-current {
    color: var(--bone-100);
    background: rgba(255, 255, 255, .07);
}

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

.header__cta {
    display: none;
    padding: .7rem 1.4rem;
    font-size: var(--fs-small);
}

/* Seletor de idioma — presente no cabeçalho e no rodapé do menu */
.lang {
    display: inline-flex;
    align-items: center;
    padding: 3px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: var(--r-pill);
    background: rgba(255, 255, 255, .03);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    flex: none;
}

.lang__btn {
    padding: .42rem .78rem;
    border-radius: var(--r-pill);
    font-family: var(--font-body);
    font-size: var(--fs-micro);
    font-weight: 600;
    letter-spacing: .14em;
    line-height: 1;
    color: rgba(244, 241, 236, .55);
    transition: color var(--dur-fast) var(--ease),
                background-color var(--dur-fast) var(--ease);
}

.lang__btn:hover {
    color: var(--bone-100);
}

.lang__btn[aria-pressed="true"] {
    background: var(--amber);
    color: var(--ink-900);
}

/* Botão de menu */
.menu-toggle {
    position: relative;
    z-index: calc(var(--z-menu) + 1);
    display: inline-flex;
    align-items: center;
    gap: .8rem;
    padding: .55rem .55rem .55rem 1rem;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: var(--r-pill);
    color: var(--bone-200);
    background: rgba(255, 255, 255, .03);
    transition: border-color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}

.menu-toggle:hover {
    border-color: rgba(249, 168, 40, .55);
    background: rgba(249, 168, 40, .08);
}

.menu-toggle__label {
    font-size: var(--fs-micro);
    letter-spacing: .18em;
    text-transform: uppercase;
}

.menu-toggle__bars {
    position: relative;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--amber);
    flex: none;
}

.menu-toggle__bars span {
    position: absolute;
    left: 50%;
    width: 13px;
    height: 1.5px;
    background: var(--ink-900);
    transform: translateX(-50%);
    transition: transform .4s var(--ease), opacity .25s var(--ease);
}

.menu-toggle__bars span:nth-child(1) { top: 12px; }
.menu-toggle__bars span:nth-child(2) { top: 17px; }

.is-menu-open .menu-toggle__bars span:nth-child(1) {
    transform: translateX(-50%) translateY(2.5px) rotate(45deg);
}

.is-menu-open .menu-toggle__bars span:nth-child(2) {
    transform: translateX(-50%) translateY(-2.5px) rotate(-45deg);
}

/* Menu em ecrã inteiro */
.menu {
    position: fixed;
    inset: 0;
    z-index: var(--z-menu);
    display: grid;
    grid-template-rows: 1fr auto;
    background: var(--ink-900);
    clip-path: inset(0 0 100% 0);
    visibility: hidden;
    transition: clip-path .85s var(--ease), visibility .85s;
}

.is-menu-open .menu {
    clip-path: inset(0 0 0 0);
    visibility: visible;
}

.menu::after {
    content: "";
    position: absolute;
    right: -12%;
    top: -25%;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    background: radial-gradient(circle, var(--amber-glow), transparent 62%);
    filter: blur(60px);
    pointer-events: none;
}

.menu__inner {
    position: relative;
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding: calc(var(--header-h) + 3rem) var(--gutter) 2rem;
    display: grid;
    align-content: center;
    gap: 2.5rem;
}

.menu__list {
    display: grid;
    gap: clamp(.15rem, 1vw, .6rem);
}

.menu__list li {
    overflow: hidden;
    /* O tamanho de letra vive aqui (o link herda-o) para que o `em`
       desta margem e o do preenchimento do link resolvam contra a
       mesma medida. A margem negativa fica na caixa que recorta e o
       preenchimento no filho — ao contrário, uma anularia a outra. */
    font-size: clamp(2.4rem, 8vw, 5.6rem);
    margin-bottom: -.16em;
}

.menu__list a {
    display: flex;
    align-items: baseline;
    gap: 1.25rem;
    font-family: var(--font-display);
    font-size: inherit;
    font-weight: 300;
    line-height: 1.1;
    /* Mesma compensação do hero: acomoda cedilhas e descendentes
       (o "ç" de "Serviços") sem alterar o ritmo da lista. */
    padding-bottom: .16em;
    letter-spacing: -.045em;
    color: var(--bone-200);
    transform: translateY(105%);
    transition: transform .8s var(--ease), color var(--dur-fast) var(--ease);
}

.is-menu-open .menu__list a {
    transform: translateY(0);
    transition-delay: calc(.16s + var(--i, 0) * .075s);
}

.menu__list a:hover {
    color: var(--amber);
}

.menu__list .num {
    font-family: var(--font-mono);
    font-size: .7rem;
    letter-spacing: .2em;
    color: var(--amber);
    opacity: .75;
}

.menu__foot {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    max-width: var(--maxw);
    margin-inline: auto;
    width: 100%;
    padding: 1.75rem var(--gutter) 2.25rem;
    border-top: 1px solid rgba(255, 255, 255, .08);
}

.menu__contact {
    display: grid;
    gap: .35rem;
    font-size: var(--fs-small);
    color: rgba(244, 241, 236, .62);
}

.menu__contact a:hover {
    color: var(--amber);
}


/* Redes sociais — usado no menu, hero e contactos */
.socials {
    display: flex;
    align-items: center;
    gap: .6rem;
}

.socials a {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line-firm);
    border-radius: 50%;
    color: var(--fg);
    transition: color var(--dur-fast) var(--ease),
                border-color var(--dur-fast) var(--ease),
                background-color var(--dur-fast) var(--ease),
                transform var(--dur-fast) var(--ease);
}

.socials a:hover {
    color: var(--ink-900);
    background: var(--amber);
    border-color: var(--amber);
    transform: translateY(-3px);
}

.socials svg {
    width: 17px;
    height: 17px;
    fill: currentColor;
}


/* -------------------------------------------------------------------
 * 09. Hero
 * ---------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
    padding-top: calc(var(--header-h) + 2rem);
    padding-bottom: clamp(1.5rem, 4vh, 3rem);
    background: var(--ink-900);
    isolation: isolate;
}

.hero__media {
    position: absolute;
    inset: -8% 0 0;
    z-index: -3;
    will-change: transform;
}

.hero__media img {
    width: 100%;
    height: 108%;
    object-fit: cover;
    opacity: .3;
    filter: grayscale(.35) contrast(1.08);
}

.hero__veil {
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(120% 90% at 78% 8%, rgba(249, 168, 40, .22), transparent 55%),
        radial-gradient(90% 70% at 10% 90%, rgba(249, 168, 40, .1), transparent 60%),
        linear-gradient(180deg, rgba(5, 6, 7, .82) 0%, rgba(5, 6, 7, .74) 40%, rgba(5, 6, 7, .97) 100%);
}

.hero__glow {
    position: absolute;
    z-index: -1;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
    animation: drift 18s ease-in-out infinite alternate;
}

.hero__glow--a {
    top: 12%;
    right: 6%;
    width: 34vw;
    height: 34vw;
    background: radial-gradient(circle, rgba(249, 168, 40, .28), transparent 65%);
}

.hero__glow--b {
    bottom: -6%;
    left: -4%;
    width: 30vw;
    height: 30vw;
    background: radial-gradient(circle, rgba(181, 115, 12, .3), transparent 68%);
    animation-duration: 24s;
    animation-direction: alternate-reverse;
}

@keyframes drift {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to   { transform: translate3d(-4%, 5%, 0) scale(1.12); }
}

.hero__inner {
    position: relative;
    width: 100%;
    max-width: var(--maxw);
    margin-inline: auto;
    padding-inline: var(--gutter);
    display: grid;
    gap: clamp(2rem, 5vh, 3.5rem);
}

.hero__pretitle {
    display: flex;
    align-items: center;
    gap: .85rem;
    font-family: var(--font-body);
    font-size: var(--fs-micro);
    font-weight: 400;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: rgba(244, 241, 236, .7);
}

.hero__pretitle img {
    width: 96px;
    opacity: .95;
}

.hero__title {
    font-size: var(--fs-hero);
    font-weight: 200;
    letter-spacing: -.05em;
    line-height: .96;
    max-width: 16ch;
}

.hero__title .line {
    display: block;
    overflow: hidden;
    /* Devolve o espaçamento original entre linhas, anulando o
       preenchimento aplicado ao elemento interior. */
    margin-bottom: -.22em;
}

.hero__title .line > span {
    display: block;
    /* A máscara de revelação obriga a `overflow: hidden` na linha, que
       cortaria as descendentes — a cauda do "g" do itálico serifado
       deixava apenas 0.08em de folga. O preenchimento alarga a caixa
       sem deslocar a linha de base (ao contrário da entrelinha, cujo
       half-leading empurra o texto para baixo na mesma medida).
       Fica no elemento interior de propósito: assim o deslocamento de
       105% é calculado sobre a altura já aumentada e o texto continua
       totalmente escondido no arranque da animação. */
    padding-bottom: .22em;
    transform: translateY(105%);
    transition: transform 1.1s var(--ease);
}

.is-loaded .hero__title .line > span {
    transform: translateY(0);
    transition-delay: calc(.25s + var(--i, 0) * .11s);
}

.hero__body {
    display: grid;
    gap: 2rem;
    max-width: 46ch;
}

.hero__body p {
    font-size: var(--fs-lead);
    font-weight: 300;
    color: rgba(244, 241, 236, .66);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .85rem;
}

.hero__foot {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    padding-top: clamp(1.5rem, 4vh, 2.75rem);
    border-top: 1px solid rgba(255, 255, 255, .08);
}

.hero__scroll {
    display: inline-flex;
    align-items: center;
    gap: .8rem;
    font-size: var(--fs-micro);
    letter-spacing: .2em;
    text-transform: uppercase;
    color: rgba(244, 241, 236, .6);
    transition: color var(--dur-fast) var(--ease);
}

.hero__scroll:hover {
    color: var(--amber);
}

.hero__scroll-icon {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 50%;
    flex: none;
}

.hero__scroll-icon svg {
    width: 15px;
    height: 15px;
    fill: currentColor;
    animation: nudge 2.2s var(--ease-io) infinite;
}

@keyframes nudge {
    0%, 100% { transform: translateY(-2px); opacity: .6; }
    50%      { transform: translateY(2px);  opacity: 1; }
}


/* -------------------------------------------------------------------
 * 10. Faixa de competências (marquee)
 * ---------------------------------------------------------------- */
.marquee {
    position: relative;
    padding-block: clamp(1.5rem, 3vw, 2.25rem);
    background: var(--ink-900);
    border-block: 1px solid rgba(255, 255, 255, .08);
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
    display: flex;
    width: max-content;
    animation: slide 38s linear infinite;
}

.marquee:hover .marquee__track {
    animation-play-state: paused;
}

.marquee__group {
    display: flex;
    align-items: center;
    flex: none;
}

.marquee__item {
    display: inline-flex;
    align-items: center;
    gap: clamp(1.5rem, 3vw, 2.75rem);
    padding-inline: clamp(.75rem, 1.6vw, 1.4rem);
    font-family: var(--font-display);
    font-size: clamp(1.15rem, 2.1vw, 1.9rem);
    font-weight: 300;
    letter-spacing: -.02em;
    color: rgba(244, 241, 236, .8);
    white-space: nowrap;
}

.marquee__item::after {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--amber);
    flex: none;
}

@keyframes slide {
    from { transform: translate3d(0, 0, 0); }
    to   { transform: translate3d(-50%, 0, 0); }
}


/* -------------------------------------------------------------------
 * 11. Sobre
 * ---------------------------------------------------------------- */
.about {
    overflow: hidden;
}

.about__grid {
    display: grid;
    gap: clamp(3rem, 6vw, 5rem);
    align-items: start;
}

.about__signature {
    width: clamp(180px, 22vw, 260px);
    margin-bottom: 1.75rem;
}

.about__statement {
    font-family: var(--font-display);
    font-size: var(--fs-display);
    font-weight: 300;
    line-height: 1.08;
    letter-spacing: -.04em;
    max-width: 20ch;
}

.about__note {
    display: grid;
    gap: 1.5rem;
    max-width: 44ch;
}

.about__note p {
    color: var(--fg-muted);
    font-size: var(--fs-lead);
    font-weight: 300;
}

.pillars {
    display: grid;
    gap: 0;
    margin-top: clamp(3rem, 6vw, 4.5rem);
    border-top: 1px solid var(--line);
}

.pillar {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: baseline;
    gap: 1.5rem;
    padding-block: 1.5rem;
    border-bottom: 1px solid var(--line);
    transition: padding-left var(--dur) var(--ease), color var(--dur) var(--ease);
}

.pillar:hover {
    padding-left: 1rem;
}

.pillar__num {
    font-family: var(--font-mono);
    font-size: var(--fs-micro);
    letter-spacing: .18em;
    color: var(--amber);
}

.pillar__title {
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    font-weight: 400;
    letter-spacing: -.02em;
}

.pillar__text {
    grid-column: 2;
    color: var(--fg-muted);
    font-size: var(--fs-small);
    max-width: 52ch;
    margin-top: .4rem;
}


/* -------------------------------------------------------------------
 * 12. Serviços
 * ---------------------------------------------------------------- */
.services {
    position: relative;
    background: var(--ink-800);
    overflow: hidden;
}

.services::before {
    content: "";
    position: absolute;
    top: -20%;
    left: 50%;
    width: 80vw;
    height: 55vw;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at center, rgba(249, 168, 40, .09), transparent 62%);
    filter: blur(50px);
    pointer-events: none;
}

.services__inner {
    position: relative;
}

.services__head {
    display: grid;
    gap: 1.75rem;
    max-width: 46rem;
    margin-bottom: clamp(3.5rem, 7vw, 6rem);
}

.services__grid {
    display: grid;
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    overflow: hidden;
}

.service {
    position: relative;
    display: grid;
    gap: 1.5rem;
    align-content: start;
    padding: clamp(2rem, 3.5vw, 3.25rem);
    background: var(--ink-800);
    isolation: isolate;
    transition: background-color var(--dur) var(--ease);
}

.service::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    opacity: 0;
    background: linear-gradient(160deg, rgba(249, 168, 40, .1), transparent 55%);
    transition: opacity var(--dur) var(--ease);
}

.service:hover {
    background: var(--ink-700);
}

.service:hover::before {
    opacity: 1;
}

.service__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.service__icon {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border: 1px solid var(--line-firm);
    border-radius: var(--r-sm);
    color: var(--amber);
    transition: background-color var(--dur) var(--ease),
                border-color var(--dur) var(--ease),
                color var(--dur) var(--ease),
                transform var(--dur) var(--ease);
}

.service:hover .service__icon {
    background: var(--amber);
    border-color: var(--amber);
    color: var(--ink-900);
    transform: rotate(-6deg);
}

.service__icon svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.service__num {
    font-family: var(--font-mono);
    font-size: var(--fs-micro);
    letter-spacing: .18em;
    color: var(--fg-faint);
}

.service__title {
    font-size: var(--fs-h3);
    font-weight: 400;
    letter-spacing: -.025em;
}

.service__text {
    color: var(--fg-muted);
    font-size: var(--fs-small);
    line-height: 1.75;
    max-width: 46ch;
}

.service__rule {
    height: 1px;
    background: var(--amber);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .7s var(--ease);
}

.service:hover .service__rule {
    transform: scaleX(1);
}


/* -------------------------------------------------------------------
 * 13. Faixa de chamada à ação
 * ---------------------------------------------------------------- */
.cta {
    position: relative;
    padding-block: clamp(6rem, 13vw, 10rem);
    background: var(--ink-900);
    overflow: hidden;
    isolation: isolate;
}

.cta__media {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.cta__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 35%;
    opacity: .34;
    filter: grayscale(.4);
}

.cta__veil {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(85% 100% at 50% 0%, rgba(249, 168, 40, .18), transparent 62%),
        linear-gradient(180deg, rgba(5, 6, 7, .84), rgba(5, 6, 7, .93));
}

.cta__inner {
    display: grid;
    gap: clamp(2.5rem, 5vw, 4rem);
    align-items: end;
}

.cta__head,
.cta__side {
    display: grid;
    justify-items: start;
    gap: 1.75rem;
    align-content: end;
}

.cta__title {
    font-size: var(--fs-display);
    font-weight: 200;
    letter-spacing: -.045em;
    line-height: 1.02;
    /* O limite em `ch` tem de viver no próprio título: a unidade
       depende do tamanho de letra do elemento onde é declarada. */
    max-width: 15ch;
}

.cta__mail {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 3.2vw, 2.6rem);
    font-weight: 300;
    letter-spacing: -.035em;
    color: var(--amber);
}

.cta__mail svg {
    width: clamp(20px, 2.4vw, 30px);
    height: clamp(20px, 2.4vw, 30px);
    fill: currentColor;
    transition: transform .5s var(--ease);
}

.cta__mail:hover svg {
    transform: translate(4px, -4px);
}


/* -------------------------------------------------------------------
 * 14. Contactos e formulário
 * ---------------------------------------------------------------- */
.contact {
    background: var(--ink-800);
}

.contact__grid {
    display: grid;
    gap: clamp(3rem, 6vw, 5rem);
    align-items: start;
}

.contact__aside {
    display: grid;
    gap: 2.5rem;
    align-content: start;
}

.contact__block {
    display: grid;
    gap: .9rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--line);
}

.contact__block h5 {
    font-family: var(--font-body);
    font-size: var(--fs-micro);
    font-weight: 500;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--fg-faint);
}

.contact__block a,
.contact__block p {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 300;
    letter-spacing: -.015em;
    color: var(--fg);
    width: fit-content;
}

.contact__block a:hover {
    color: var(--amber);
}

/* Formulário */
.form {
    display: grid;
    gap: 1.5rem;
    padding: clamp(1.75rem, 3.5vw, 2.75rem);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.field {
    position: relative;
}

.field__input {
    width: 100%;
    padding: 1.6rem 0 .7rem;
    font-size: 1rem;
    font-weight: 300;
    color: var(--fg);
    background: transparent;
    border-bottom: 1px solid var(--line-firm);
    border-radius: 0;
    resize: none;
    transition: border-color var(--dur-fast) var(--ease);
    -webkit-appearance: none;
    appearance: none;
}

.field__input:hover {
    border-bottom-color: rgba(255, 255, 255, .32);
}

.field__input:focus {
    outline: none;
    border-bottom-color: var(--amber);
}

.field__label {
    position: absolute;
    left: 0;
    top: 1.55rem;
    font-size: 1rem;
    font-weight: 300;
    color: var(--fg-muted);
    pointer-events: none;
    transform-origin: left top;
    transition: transform .35s var(--ease), color .35s var(--ease);
}

.field__input:focus + .field__label,
.field__input:not(:placeholder-shown) + .field__label {
    transform: translateY(-1.5rem) scale(.74);
    color: var(--amber);
}

.form__foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: .5rem;
}

.form__hint {
    font-size: var(--fs-micro);
    letter-spacing: .04em;
    color: var(--fg-faint);
    max-width: 30ch;
}

.form__status {
    display: none;
    align-items: center;
    gap: .6rem;
    padding: .85rem 1.1rem;
    border-radius: var(--r-sm);
    font-size: var(--fs-small);
}

.form__status.is-visible {
    display: flex;
}

.form__status.is-ok {
    background: rgba(249, 168, 40, .1);
    border: 1px solid rgba(249, 168, 40, .35);
    color: var(--amber-high);
}

.form__status.is-error {
    background: rgba(255, 92, 92, .1);
    border: 1px solid rgba(255, 92, 92, .35);
    color: #ff9a9a;
}

.btn[aria-busy="true"] {
    opacity: .6;
    pointer-events: none;
}


/* -------------------------------------------------------------------
 * 15. Rodapé
 * ---------------------------------------------------------------- */
.footer {
    position: relative;
    padding-block: clamp(3rem, 6vw, 4.5rem);
    background: var(--ink-900);
    border-top: 1px solid rgba(255, 255, 255, .08);
}

.footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.footer__brand img.mark {
    width: 34px;
    opacity: .9;
}

.footer__brand img.word {
    width: 110px;
    opacity: .9;
}

.footer__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem;
    font-size: var(--fs-micro);
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(244, 241, 236, .42);
}

.to-top {
    display: inline-grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 50%;
    color: var(--bone-200);
    transition: background-color var(--dur-fast) var(--ease),
                border-color var(--dur-fast) var(--ease),
                color var(--dur-fast) var(--ease),
                transform var(--dur-fast) var(--ease);
}

.to-top:hover {
    background: var(--amber);
    border-color: var(--amber);
    color: var(--ink-900);
    transform: translateY(-3px);
}

.to-top svg {
    width: 17px;
    height: 17px;
    fill: currentColor;
}


/* -------------------------------------------------------------------
 * 16. Revelações de scroll
 * ---------------------------------------------------------------- */
.js [data-reveal] {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .9s var(--ease), transform .9s var(--ease);
    transition-delay: calc(var(--i, 0) * .09s);
    will-change: opacity, transform;
}

.js [data-reveal].is-in {
    opacity: 1;
    transform: none;
}

.js [data-reveal="mask"] {
    opacity: 1;
    transform: none;
    clip-path: inset(0 0 100% 0);
    transition: clip-path 1.1s var(--ease);
}

.js [data-reveal="mask"].is-in {
    clip-path: inset(0 0 0 0);
}


/* -------------------------------------------------------------------
 * 17. Responsivo
 * ---------------------------------------------------------------- */
@media (min-width: 700px) {
    .about__grid {
        grid-template-columns: 1.05fr .95fr;
        align-items: end;
    }

    .services__grid {
        grid-template-columns: 1fr 1fr;
    }

    .pillar {
        grid-template-columns: 5rem 1fr;
    }
}

@media (min-width: 900px) {
    .contact__grid {
        grid-template-columns: .8fr 1.2fr;
    }

    .cta__inner {
        grid-template-columns: 1.15fr .85fr;
        column-gap: clamp(3rem, 6vw, 6rem);
    }
}

@media (min-width: 1024px) {
    :root {
        --header-h: 96px;
    }

    .nav-inline {
        display: inline-flex;
    }

    .header__cta {
        display: inline-flex;
    }

    .menu-toggle {
        display: none;
    }

    .hero__inner {
        gap: clamp(2.5rem, 6vh, 4rem);
    }
}

@media (max-width: 699px) {
    .hero__foot {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.75rem;
    }

    .footer__inner {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }

    .form__foot {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    .form__foot .btn {
        justify-content: center;
    }
}


/* -------------------------------------------------------------------
 * 18. Movimento reduzido / impressão
 * ---------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }

    .js [data-reveal],
    .hero__title .line > span,
    .menu__list a {
        opacity: 1 !important;
        transform: none !important;
        clip-path: none !important;
    }
}

@media print {
    .header,
    .menu,
    .preloader,
    .grain,
    .marquee,
    .to-top {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }
}