/* ── Reveal on scroll ─────────────────────────────── */

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.9s var(--ease-out),
                transform 0.9s var(--ease-out);
    will-change: opacity, transform;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Hero title lines stagger ─────────────────────── */

.hero__title-line {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 1.0s var(--ease-out),
                transform 1.0s var(--ease-out);
}

.hero__title-line.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Delay utilities ──────────────────────────────── */

[data-delay="0"]   { transition-delay: 0ms; }
[data-delay="80"]  { transition-delay: 80ms; }
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="150"] { transition-delay: 150ms; }
[data-delay="160"] { transition-delay: 160ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="240"] { transition-delay: 240ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="500"] { transition-delay: 500ms; }
[data-delay="700"] { transition-delay: 700ms; }

/* ── Scroll pulse animation ───────────────────────── */

@keyframes scrollPulse {
    0%   { transform: translateX(-100%); }
    50%  { transform: translateX(0%); }
    100% { transform: translateX(100%); }
}

/* ── Nav entrance ─────────────────────────────────── */

.nav {
    animation: navFadeIn 1.4s var(--ease-out) 0.3s both;
}

@keyframes navFadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Page load veil ───────────────────────────────── */

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    z-index: 999;
    animation: veilFade 1.2s var(--ease-smooth) 0.1s forwards;
    pointer-events: none;
}

@keyframes veilFade {
    0%   { opacity: 1; }
    100% { opacity: 0; pointer-events: none; }
}

/* ── Award hover line ─────────────────────────────── */

.award {
    position: relative;
}

.award::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 0;
    height: 1px;
    background: var(--color-gold-dim);
    transition: width 0.5s var(--ease-smooth);
}

.award:hover::after {
    width: 100%;
}

/* ── Principle hover ──────────────────────────────── */

.principle {
    transition: background 0.5s var(--ease-smooth),
                border-color 0.5s var(--ease-smooth),
                transform 0.4s var(--ease-smooth);
}

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

/* ── Service card entrance stagger ───────────────── */

.services__grid .service-card:nth-child(1) { transition-delay: 0ms; }
.services__grid .service-card:nth-child(2) { transition-delay: 80ms; }
.services__grid .service-card:nth-child(3) { transition-delay: 160ms; }
.services__grid .service-card:nth-child(4) { transition-delay: 240ms; }

/* ── Canvas fade in ───────────────────────────────── */

#scene-canvas {
    animation: canvasFadeIn 2s var(--ease-smooth) 0.4s both;
}

@keyframes canvasFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* ── Scroll progress bar ──────────────────────────── */

.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    z-index: 150;
    width: 0%;
    transition: width 0.15s linear;
}

/* ── Credential number count-up flash ─────────────── */

.credential__number {
    transition: color 0.5s var(--ease-smooth);
}

.credential.visible .credential__number {
    color: var(--color-cream);
    animation: numberPop 0.7s var(--ease-out);
}

@keyframes numberPop {
    0%   { transform: scale(0.85); opacity: 0; }
    60%  { transform: scale(1.04); }
    100% { transform: scale(1); opacity: 1; }
}

/* ── Testimonial quote mark ───────────────────────── */

.testimonial {
    transition: border-color 0.4s var(--ease-smooth),
                transform 0.4s var(--ease-smooth);
}

.testimonial:hover {
    border-color: rgba(184, 154, 90, 0.2);
    transform: translateX(4px);
}

/* ── Form input underline animation ───────────────── */

.form__group {
    position: relative;
}

.form__group::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width 0.45s var(--ease-smooth);
}

.form__group:focus-within::after {
    width: 100%;
}

/* ── Mobile menu links stagger ────────────────────── */

.mobile-menu.open .mobile-menu__link {
    animation: menuLinkIn 0.5s var(--ease-out) both;
}

.mobile-menu.open .mobile-menu__link:nth-child(1) { animation-delay: 0.05s; }
.mobile-menu.open .mobile-menu__link:nth-child(2) { animation-delay: 0.10s; }
.mobile-menu.open .mobile-menu__link:nth-child(3) { animation-delay: 0.15s; }
.mobile-menu.open .mobile-menu__link:nth-child(4) { animation-delay: 0.20s; }
.mobile-menu.open .mobile-menu__link:nth-child(5) { animation-delay: 0.25s; }
.mobile-menu.open .mobile-menu__link:nth-child(6) { animation-delay: 0.30s; }

@keyframes menuLinkIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 0.7; transform: translateY(0); }
}

.mobile-menu.open .mobile-menu__link--cta {
    animation: menuLinkInCta 0.5s var(--ease-out) 0.30s both;
}

@keyframes menuLinkInCta {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Reduced motion ───────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    .hero__title-line {
        opacity: 1;
        transform: none;
    }

    body::before {
        display: none;
    }
}