/* =================================================================
   UNIQUE PAGE TRANSITIONS & SECTION REVEAL EFFECTS
   Professional animations that set this portfolio apart
================================================================= */

/* -----------------------------------------------------------------
   1. PAGE TRANSITION OVERLAY — slides out on load
   A brand-coloured wipe that sweeps away on page load
----------------------------------------------------------------- */
#page-loader {
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

#page-loader::after {
    content: 'HN.';
    font-family: var(--font-display);
    font-size: 2rem;
    letter-spacing: 0.4em;
    color: var(--brand-primary);
    animation: loaderPulse 0.8s ease infinite alternate;
}

@keyframes loaderPulse {
    0%   { opacity: 0.3; transform: scale(0.97); }
    100% { opacity: 1;   transform: scale(1); }
}

/* Loader sweeps up and out */
#page-loader.done {
    animation: loaderSweepUp 0.7s cubic-bezier(0.76, 0, 0.24, 1) forwards;
}
@keyframes loaderSweepUp {
    0%   { transform: translateY(0);    clip-path: inset(0 0 0 0); }
    100% { transform: translateY(-100%); clip-path: inset(0 0 0 0); }
}

/* -----------------------------------------------------------------
   2. SECTION REVEAL — Clip-path wipe reveals (left→right)
   Applied to .section-reveal elements
----------------------------------------------------------------- */
.section-reveal {
    clip-path: inset(0 100% 0 0);
    transition: clip-path 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}
.section-reveal.revealed {
    clip-path: inset(0 0% 0 0);
}

/* -----------------------------------------------------------------
   3. TEXT SLIDE-IN — words slide up from below a clip mask
   Applied to .text-reveal spans
----------------------------------------------------------------- */
.text-reveal-wrap {
    overflow: hidden;
    display: block;
}
.text-reveal {
    display: block;
    transform: translateY(105%);
    opacity: 0;
    transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.9s ease;
}
.text-reveal.revealed {
    transform: translateY(0);
    opacity: 1;
}

/* Stagger children */
.text-reveal:nth-child(2) { transition-delay: 0.12s; }
.text-reveal:nth-child(3) { transition-delay: 0.24s; }
.text-reveal:nth-child(4) { transition-delay: 0.36s; }

/* -----------------------------------------------------------------
   4. CARD STAGGER — cards pop in from below in sequence
   Applied to .card-stagger-grid children
----------------------------------------------------------------- */
.card-stagger > * {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.card-stagger.revealed > *:nth-child(1) { transition-delay: 0s;    opacity: 1; transform: translateY(0); }
.card-stagger.revealed > *:nth-child(2) { transition-delay: 0.12s; opacity: 1; transform: translateY(0); }
.card-stagger.revealed > *:nth-child(3) { transition-delay: 0.24s; opacity: 1; transform: translateY(0); }
.card-stagger.revealed > *:nth-child(4) { transition-delay: 0.36s; opacity: 1; transform: translateY(0); }
.card-stagger.revealed > *:nth-child(5) { transition-delay: 0.48s; opacity: 1; transform: translateY(0); }

/* -----------------------------------------------------------------
   5. HORIZONTAL RULE SWEEP — glowing line animates in
   Placed between sections as a visual separator
----------------------------------------------------------------- */
.section-divider {
    width: 0;
    height: 1px;
    background: var(--brand-gradient);
    margin: 0 auto var(--space-lg);
    transition: width 1.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 0 12px rgba(255, 94, 0, 0.3);
}
.section-divider.revealed {
    width: 80%;
}

/* Links already have position:relative set per-component */

/* -----------------------------------------------------------------
   7. BACKGROUND CANVAS — ensure content stays above
----------------------------------------------------------------- */
#bg-canvas {
    z-index: 0;
}
main, header {
    position: relative;
    z-index: 1;
}

/* Cursor must remain fixed — do NOT add position:relative here */
.cursor-dot  { z-index: 99999 !important; position: fixed !important; }
.cursor-ring { z-index: 99998 !important; position: fixed !important; }

/* -----------------------------------------------------------------
   8. SMOOTH HOVER CARD GLINT — sweeping highlight on glass cards
----------------------------------------------------------------- */
.venture-card,
.project-card,
.cert-card,
.founder-card {
    position: relative;
    overflow: hidden;
}
.venture-card::before,
.project-card::before,
.cert-card::before,
.founder-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent 0%,
        rgba(255, 255, 255, 0.04) 50%,
        transparent 100%
    );
    transition: left 0.6s ease;
    pointer-events: none;
    z-index: 2;
}
.venture-card:hover::before,
.project-card:hover::before,
.cert-card:hover::before,
.founder-card:hover::before {
    left: 150%;
}

/* About text is styled per about.css — no clip overrides here */

/* -----------------------------------------------------------------
   10. SCROLL PROGRESS BAR at top of page
----------------------------------------------------------------- */
#scroll-progress {
    position: fixed;
    top: 0; left: 0;
    width: 0%;
    height: 2px;
    background: var(--brand-gradient);
    z-index: 99999;
    transition: width 0.1s linear;
    opacity: 0.55;
    box-shadow: 0 0 6px rgba(255, 94, 0, 0.3);
}