/* ═══════════════════════════════════════════
   GROMOV STUDIO — Premium Marketing
   Fonts: YaquoteScript (logo), Lanudite (headings), Manrope (body)
   Palette: brand book — slate, gold, cream
   ═══════════════════════════════════════════ */

/* ── Custom Fonts ── */
@font-face {
    font-family: 'YaquoteScript';
    src: url('/assets/fonts/YaquoteScript_PersonalUse.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Lanudite';
    src: url('/assets/fonts/LANUDITE.eot');
    src: url('/assets/fonts/LANUDITE.eot?#iefix') format('embedded-opentype'),
         url('/assets/fonts/LANUDITE.woff2') format('woff2'),
         url('/assets/fonts/LANUDITE.woff') format('woff'),
         url('/assets/fonts/LANUDITE.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

/* ── Tokens ── */
:root {
    --bg:           #141c26;
    --bg-alt:       #19232f;
    --surface:      #1f2d3b;
    --surface-2:    #263546;
    --slate:        #3d4f5f;
    --gold:         #b5935a;
    --gold-light:   #caa66a;
    --gold-pale:    #ddc08a;
    --cream:        #e8d5c4;
    --cream-muted:  #9a8e82;
    --white:        #f2ebe4;
    --dark:         #0e151d;

    --font-logo:    'YaquoteScript', cursive;
    --font-display: 'Lanudite', 'Cormorant Garamond', Georgia, serif;
    --font-body:    'Manrope', -apple-system, sans-serif;

    --container:    1120px;
    --container-sm: 720px;
    --radius:       8px;
    --radius-lg:    16px;
    --transition:   0.35s cubic-bezier(0.22, 1, 0.36, 1);
    --ease-out:     cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font-body); font-weight: 400; color: var(--cream); background: var(--bg); line-height: 1.7; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }
::selection { background: var(--gold); color: var(--dark); }

/* Subtle grain — neutral, not pink */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.015'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
    mix-blend-mode: overlay;
}

/* ── Typography ── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; line-height: 1.2; letter-spacing: 0.12em; text-transform: uppercase; }
.section-title { font-size: clamp(1.4rem, 3vw, 2rem); letter-spacing: 0.18em; color: var(--white); margin-bottom: 0.4em; }
.section-sub { font-size: 1rem; color: var(--cream-muted); font-weight: 300; }
.section-header { text-align: center; margin-bottom: 4rem; }

/* ── Layout ── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 2rem; }
.container--narrow { max-width: var(--container-sm); }
section { padding: 7rem 0; position: relative; z-index: 1; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 0.5em; padding: 0.85em 2em; font-family: var(--font-body); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; border-radius: var(--radius); border: 1.5px solid transparent; cursor: pointer; transition: all var(--transition); white-space: nowrap; }
.btn--gold { background: var(--gold); color: var(--dark); border-color: var(--gold); }
.btn--gold:hover { background: var(--gold-light); border-color: var(--gold-light); color: var(--dark); transform: translateY(-1px); box-shadow: 0 8px 30px rgba(181,147,90,0.2); }
.btn--outline { background: transparent; color: var(--gold); border-color: var(--gold); }
.btn--outline:hover { background: var(--gold); color: var(--dark); }
.btn--lg { padding: 1.1em 2.8em; font-size: 0.88rem; }

/* ══ PRELOADER ══ */
.preloader { position: fixed; inset: 0; background: var(--dark); display: flex; flex-direction: column; align-items: center; justify-content: center; z-index: 9999; transition: opacity 0.6s ease, visibility 0.6s ease; }
.preloader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader__logo { height: 80px; width: auto; margin-bottom: 2rem; animation: pulse 1.2s ease-in-out infinite; }
.preloader__bar { width: 120px; height: 2px; background: var(--surface-2); border-radius: 2px; overflow: hidden; }
.preloader__bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--gold), var(--gold-light)); animation: loadBar 1.2s var(--ease-out) forwards; }
@keyframes loadBar { to { width: 100%; } }
@keyframes pulse { 0%, 100% { opacity: 0.6; transform: scale(1); } 50% { opacity: 1; transform: scale(1.05); } }

/* ══ HEADER ══ */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 1.5rem 0; transition: all 0.4s ease; }
.header.is-scrolled { padding: 0.8rem 0; background: rgba(20,28,38,0.92); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(181,147,90,0.08); }
.header__inner { max-width: var(--container); margin: 0 auto; padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; }
.header__logo { display: flex; align-items: center; }
.header__logo-img { height: 36px; width: auto; opacity: 0.9; transition: opacity var(--transition); }
.header__logo:hover .header__logo-img { opacity: 1; }
.header__nav { display: flex; gap: 2.2rem; }
.header__link { font-size: 0.78rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--cream-muted); position: relative; padding-bottom: 2px; }
.header__link::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 1px; background: var(--gold); transition: width var(--transition); }
.header__link:hover, .header__link.is-active { color: var(--white); }
.header__link:hover::after, .header__link.is-active::after { width: 100%; }
.header__actions { display: flex; align-items: center; gap: 1.5rem; }
.header__lang { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; color: var(--cream-muted); border: 1px solid var(--surface-2); padding: 0.3em 0.7em; border-radius: 4px; }
.header__lang:hover { border-color: var(--gold); color: var(--gold); }
.header__burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.header__burger span { width: 22px; height: 1.5px; background: var(--cream); transition: all 0.3s ease; }

/* ══ MOBILE MENU ══ */
.mobile-menu { position: fixed; inset: 0; background: rgba(14,21,29,0.97); backdrop-filter: blur(30px); z-index: 99; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all 0.4s ease; }
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu__nav { display: flex; flex-direction: column; align-items: center; gap: 1.8rem; }
.mobile-menu__link { font-family: var(--font-display); font-size: 1.4rem; font-weight: 400; letter-spacing: 0.15em; text-transform: uppercase; color: var(--cream); }
.mobile-menu__link:hover { color: var(--gold); }
.mobile-menu__contact { margin-top: 3rem; text-align: center; }

/* ══ HERO ══ */
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; padding: 0; overflow: hidden; background: radial-gradient(ellipse at 25% 40%, rgba(61,79,95,0.15) 0%, transparent 55%), radial-gradient(ellipse at 75% 30%, rgba(181,147,90,0.04) 0%, transparent 45%), var(--bg); }
.hero__inner { position: relative; z-index: 2; display: flex; align-items: center; gap: 5rem; max-width: var(--container); margin: 0 auto; padding: 0 2rem; width: 100%; }
.hero__bolt { flex-shrink: 0; width: 260px; opacity: 0; animation: heroFadeIn 1s 0.5s var(--ease-out) forwards; }
.hero__bolt-img { width: 100%; filter: drop-shadow(0 0 50px rgba(181,147,90,0.1)); }
.hero__content { opacity: 0; animation: heroFadeIn 1s 0.7s var(--ease-out) forwards; }
@keyframes heroFadeIn { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.hero__title { font-family: var(--font-logo); font-size: clamp(3.5rem, 8vw, 5.5rem); font-weight: 400; line-height: 1.05; color: var(--white); letter-spacing: 0.01em; text-transform: none; margin-bottom: 0.5em; }
.hero__badge { display: inline-block; font-family: var(--font-display); font-size: 0.68rem; font-weight: 400; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold); border: 1px solid rgba(181,147,90,0.25); padding: 0.6em 1.4em; border-radius: 4px; margin-bottom: 2rem; }
.hero__tagline { font-family: var(--font-display); font-size: clamp(1.1rem, 2.5vw, 1.5rem); font-weight: 400; color: var(--cream); margin-bottom: 0.6em; letter-spacing: 0.1em; text-transform: uppercase; }
.hero__sub { font-size: 0.92rem; color: var(--cream-muted); line-height: 1.8; margin-bottom: 2.5rem; max-width: 460px; text-transform: none; letter-spacing: 0; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__scroll { position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%); z-index: 2; }
.hero__scroll span { display: block; width: 1px; height: 48px; background: linear-gradient(to bottom, var(--gold), transparent); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0% { opacity: 1; transform: scaleY(1); } 50% { opacity: 0.3; transform: scaleY(0.5); } 100% { opacity: 1; transform: scaleY(1); } }

/* ══ MANIFEST ══ */
.manifest { text-align: center; padding: 6rem 0; }
.manifest__line { width: 48px; height: 1px; background: var(--gold); margin: 0 auto 3rem; }
.manifest__title { font-family: var(--font-display); font-size: clamp(1.2rem, 3vw, 1.6rem); font-weight: 400; color: var(--white); margin-bottom: 1.8rem; letter-spacing: 0.14em; }
.manifest__text { font-size: 1.02rem; color: var(--cream-muted); line-height: 1.9; max-width: 580px; margin: 0 auto 1.5rem; }
.manifest__accent { font-size: 1.05rem; color: var(--gold); font-weight: 500; }

/* ══ PROCESS ══ */
.process { background: var(--bg-alt); }
.process__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.process__step { position: relative; padding: 2rem 1.5rem; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid rgba(255,255,255,0.03); transition: all var(--transition); }
.process__step:hover { border-color: rgba(181,147,90,0.15); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.25); }
.process__num { font-family: var(--font-display); font-size: 2rem; font-weight: 400; color: var(--gold); line-height: 1; display: block; margin-bottom: 0.8rem; letter-spacing: 0.08em; }
.process__line { width: 32px; height: 1px; background: linear-gradient(90deg, var(--gold), transparent); margin-bottom: 1.2rem; }
.process__name { font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; letter-spacing: 0.02em; color: var(--white); margin-bottom: 0.8rem; }
.process__desc { font-size: 0.86rem; color: var(--cream-muted); line-height: 1.7; }
.process__cta { text-align: center; margin-top: 3.5rem; }

/* ══ SERVICES ══ */
.services__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.service-card { display: block; padding: 2.5rem; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid rgba(255,255,255,0.03); position: relative; overflow: hidden; transition: all var(--transition); }
.service-card:hover { border-color: rgba(181,147,90,0.2); transform: translateY(-3px); box-shadow: 0 16px 50px rgba(0,0,0,0.25); color: var(--cream); }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--gold), transparent); opacity: 0; transition: opacity var(--transition); }
.service-card:hover::before { opacity: 1; }
.service-card__icon { font-size: 1.6rem; color: var(--gold); display: block; margin-bottom: 1.2rem; }
.service-card__title { font-family: var(--font-body); font-size: 1.08rem; font-weight: 600; color: var(--white); margin-bottom: 0.8rem; letter-spacing: 0; text-transform: none; }
.service-card__desc { font-size: 0.88rem; color: var(--cream-muted); line-height: 1.7; margin-bottom: 1.5rem; }
.service-card__arrow { font-size: 1.2rem; color: var(--gold); opacity: 0; transform: translateX(-8px); transition: all var(--transition); }
.service-card:hover .service-card__arrow { opacity: 1; transform: translateX(0); }

/* ══ CASE ══ */
.case { background: var(--bg-alt); }
.case__inner { max-width: 900px; margin: 0 auto; }
.case__label { font-family: var(--font-display); font-size: 0.68rem; font-weight: 400; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold); display: block; margin-bottom: 1rem; text-align: center; }
.case__title { font-family: var(--font-display); font-size: clamp(1.2rem, 3vw, 1.8rem); font-weight: 400; color: var(--white); text-align: center; margin-bottom: 3rem; letter-spacing: 0.12em; }
.case__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.case__block { padding: 2rem; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid rgba(255,255,255,0.03); }
.case__block--accent { background: var(--gold); border-color: var(--gold); }
.case__block--accent .case__tag { color: rgba(14,21,29,0.5); }
.case__block--accent p { color: var(--dark); }
.case__tag { font-family: var(--font-display); font-size: 0.65rem; font-weight: 400; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); display: block; margin-bottom: 0.8rem; }
.case__block p { font-size: 0.88rem; color: var(--cream-muted); line-height: 1.7; }

/* ══ TEAM ══ */
.team { padding: 5rem 0; }
.team__inner { text-align: center; }
.team__logo { height: 56px; width: auto; margin: 0 auto 1.5rem; opacity: 0.7; }
.team__text { font-size: 1.02rem; color: var(--cream-muted); line-height: 1.8; margin-bottom: 1.5rem; }
.team__link { font-size: 0.86rem; color: var(--gold); font-weight: 500; }
.team__link:hover { color: var(--gold-light); }

/* ══ CTA ══ */
.cta { text-align: center; background: radial-gradient(ellipse at 50% 0%, rgba(181,147,90,0.06) 0%, transparent 55%), var(--dark); padding: 8rem 0; }
.cta__title { font-family: var(--font-display); font-size: clamp(1.4rem, 4vw, 2.2rem); font-weight: 400; color: var(--white); margin-bottom: 1rem; letter-spacing: 0.14em; }
.cta__text { font-size: 1.02rem; color: var(--cream-muted); margin-bottom: 2.5rem; }
.cta__actions { margin-bottom: 2rem; }
.cta__phone { font-size: 0.86rem; color: var(--cream-muted); }
.cta__phone a { color: var(--gold); margin-left: 0.5em; }

/* ══ FOOTER ══ */
.footer { background: var(--dark); padding: 4rem 0 2rem; border-top: 1px solid rgba(255,255,255,0.03); }
.footer__grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer__logo { height: 24px; width: auto; opacity: 0.5; margin-bottom: 0.8rem; }
.footer__tagline { font-family: var(--font-display); font-size: 0.72rem; color: var(--cream-muted); letter-spacing: 0.18em; text-transform: uppercase; }
.footer__nav { display: flex; flex-direction: column; gap: 0.6rem; }
.footer__nav a { font-size: 0.86rem; color: var(--cream-muted); }
.footer__nav a:hover { color: var(--gold); }
.footer__contact { display: flex; flex-direction: column; gap: 0.6rem; }
.footer__contact a { font-size: 0.86rem; color: var(--cream-muted); }
.footer__contact a:hover { color: var(--gold); }
.footer__bottom { padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.03); font-size: 0.76rem; color: var(--cream-muted); display: flex; align-items: center; gap: 0.8rem; }
.footer__bottom a { color: var(--gold); }
.footer__sep { opacity: 0.3; }

/* ══ ANIMATIONS ══ */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-stagger { opacity: 0; transform: translateY(24px); transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out); transition-delay: var(--delay, 0s); }
.is-visible .reveal-stagger { opacity: 1; transform: translateY(0); }

/* ══ RESPONSIVE ══ */
@media (max-width: 1024px) {
    .header__nav { display: none; }
    .header__burger { display: flex; }
    .hero__inner { flex-direction: column; text-align: center; gap: 3rem; padding-top: 6rem; }
    .hero__bolt { width: 180px; }
    .hero__sub { margin-left: auto; margin-right: auto; }
    .hero__actions { justify-content: center; }
    .process__grid { grid-template-columns: repeat(2, 1fr); }
    .case__grid { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 640px) {
    section { padding: 4.5rem 0; }
    .hero__title { font-size: 3rem; }
    .hero__bolt { width: 140px; }
    .process__grid { grid-template-columns: 1fr; }
    .services__grid { grid-template-columns: 1fr; }
    .hero__actions { flex-direction: column; align-items: center; }
    .hero__actions .btn { width: 100%; justify-content: center; }
    .footer__bottom { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
    .footer__sep { display: none; }
}