/* =========================================
   ANIMATIONS.CSS — Keyframes & Reveal Classes
   ========================================= */

/* --- Keyframes --- */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeLeft {
    from {
        opacity: 0;
        transform: translateX(-32px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeRight {
    from {
        opacity: 0;
        transform: translateX(32px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes blobFloat {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -20px) scale(1.05);
    }

    66% {
        transform: translate(-20px, 15px) scale(0.97);
    }
}

@keyframes floatY {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-14px);
    }
}

@keyframes bounceDown {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(8px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.85);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes rippleAnim {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes typewriter {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

@keyframes navSlideDown {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Reveal Base States --- */
.reveal-up,
.reveal-left,
.reveal-right,
.reveal-scale {
    opacity: 0;
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-up {
    transform: translateY(32px);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-scale {
    transform: scale(0.94);
}

/* --- Revealed States --- */
.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed,
.reveal-scale.revealed {
    opacity: 1;
    transform: none;
}

/* --- Hero entrance (no IntersectionObserver needed – auto runs) --- */
.hero .reveal-up {
    animation: fadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero .reveal-up[data-delay="100"] {
    animation-delay: 0.1s;
}

.hero .reveal-up[data-delay="200"] {
    animation-delay: 0.2s;
}

.hero .reveal-up[data-delay="300"] {
    animation-delay: 0.3s;
}

.hero .reveal-up[data-delay="400"] {
    animation-delay: 0.4s;
}

/* On hero section, override reveal class so IntersectionObserver won't reset */
.hero .reveal-up {
    opacity: 1;
    transform: none;
}

/* --- Process line reveal --- */
.process__line {
    opacity: 0;
    transition: opacity 1s ease 0.5s;
}

.process__line.revealed {
    opacity: 1;
    display: block;
}

/* --- Skill card stagger --- */
.skill-card:nth-child(1) {
    transition-delay: 0.00s;
}

.skill-card:nth-child(2) {
    transition-delay: 0.05s;
}

.skill-card:nth-child(3) {
    transition-delay: 0.10s;
}

.skill-card:nth-child(4) {
    transition-delay: 0.15s;
}

.skill-card:nth-child(5) {
    transition-delay: 0.20s;
}

.skill-card:nth-child(6) {
    transition-delay: 0.25s;
}

.skill-card:nth-child(7) {
    transition-delay: 0.30s;
}

.skill-card:nth-child(8) {
    transition-delay: 0.35s;
}

/* --- Shimmer placeholder --- */
.shimmer {
    background: linear-gradient(90deg,
            var(--color-surface) 25%,
            var(--color-border) 50%,
            var(--color-surface) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* --- Loader animation --- */
.loader-active .loader__progress {
    animation: loaderGrow 1.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes loaderGrow {
    0% {
        width: 0%;
    }

    40% {
        width: 55%;
    }

    70% {
        width: 78%;
    }

    85% {
        width: 90%;
    }

    100% {
        width: 100%;
    }
}

/* --- Animated underline for nav links --- */
.nav__link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 14px;
    right: 14px;
    height: 1.5px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav__link:not(.nav__link--cta):hover::after,
.nav__link.active::after {
    transform: scaleX(1);
}

/* --- Floating UI cards entrance --- */
.floater--1 {
    animation-delay: 0.8s;
}

.floater--2 {
    animation-delay: 1.2s;
}

.floater--3 {
    animation-delay: 1.0s;
}

.floater--4 {
    animation-delay: 1.4s;
}

.floater {
    opacity: 0;
    animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.8s both, floatY 6s ease-in-out infinite 1.5s;
}

/* --- Section line above process step icon --- */
.process__step::before {
    content: '';
    display: none;
    position: absolute;
    top: 56px;
    right: 0;
    width: 50%;
    height: 1px;
    background: var(--color-border);
}

.process__step::after {
    content: '';
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    width: 50%;
    height: 1px;
    background: var(--color-border);
}

/* =========================================
   SCROLL PROGRESS BAR
   ========================================= */
#scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: var(--color-accent);
    z-index: 9999;
    transition: width 0.05s linear;
}

/* =========================================
   INTERACTIVE TOOLTIP (Hotspot)
   ========================================= */
.hotspot {
    position: relative;
}

.hotspot .h-note {
    display: none;
}

.hotspot__tooltip {
    position: absolute;
    left: 44px;
    top: 50%;
    transform: translateY(-50%);
    min-width: 200px;
    background: var(--color-text);
    color: var(--color-bg);
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.5;
    pointer-events: none;
    opacity: 0;
    transform: translateY(-50%) translateX(-6px);
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 100;
    white-space: nowrap;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
}

.hotspot__tooltip::before {
    content: '';
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-right-color: var(--color-text);
}

.hotspot:hover .hotspot__tooltip,
.hotspot:focus-within .hotspot__tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* =========================================
   IMAGE CURTAIN REVEAL
   ========================================= */
.img-curtain-wrap {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
}

.img-curtain-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-text);
    transform-origin: left;
    transform: scaleX(1);
    transition: transform 0.8s cubic-bezier(0.77, 0, 0.175, 1);
}

.img-curtain-wrap.revealed::after {
    transform: scaleX(0);
    transform-origin: right;
}

.img-curtain-wrap img,
.img-curtain-wrap .gallery-img {
    transform: scale(1.06);
    transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
}

.img-curtain-wrap.revealed img,
.img-curtain-wrap.revealed .gallery-img {
    transform: scale(1);
}

/* =========================================
   BENTO GRID — About Page
   ========================================= */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: 80px;
    gap: 16px;
}

.bento-cell {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.bento-cell:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}

.bento-cell--1 {
    grid-column: span 7;
    grid-row: span 4;
}

.bento-cell--2 {
    grid-column: span 5;
    grid-row: span 2;
}

.bento-cell--3 {
    grid-column: span 5;
    grid-row: span 2;
}

.bento-cell--4 {
    grid-column: span 4;
    grid-row: span 3;
}

.bento-cell--5 {
    grid-column: span 8;
    grid-row: span 3;
}

.bento-cell--quote {
    grid-column: span 12;
    grid-row: span 2;
    background: var(--color-text);
    color: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    font-family: var(--font-serif);
    font-size: clamp(20px, 2.5vw, 32px);
    font-style: italic;
    text-align: center;
    border: none;
}

.bento-cell img,
.bento-cell .bento-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bento-cell--text {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.bento-tag {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-3);
    margin-bottom: 6px;
}

/* =========================================
   MAGNETIC HOVER (buttons & project cards)
   ========================================= */
[data-magnetic] {
    will-change: transform;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* =========================================
   CASE STUDY READING PROGRESS
   ========================================= */
.reading-progress {
    position: fixed;
    left: 0;
    top: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), #6366f1);
    z-index: 9999;
    transition: width 0.1s linear;
    border-radius: 0 2px 2px 0;
}

/* =========================================
   STORY SECTION — Horizontal parallax
   ========================================= */
.story-sticky-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.story-sticky-text {
    position: sticky;
    top: 120px;
}

/* --- Extra Small Mobile --- */

@media (max-width: 374px) {
    .bento-cell--1 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--2 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--3 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--4 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--5 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--quote {
        grid-column: span 12;
    }
    .story-sticky-wrap {
        grid-template-columns: 1fr;
    }

    .story-sticky-text {
        position: relative;
        top: auto;
    }
}

/* --- Mobile --- */

@media (min-width: 375px) and (max-width: 767px) {
    .bento-cell--1 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--2 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--3 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--4 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--5 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--quote {
        grid-column: span 12;
    }
    .story-sticky-wrap {
        grid-template-columns: 1fr;
    }

    .story-sticky-text {
        position: relative;
        top: auto;
    }
}

/* --- Tablet --- */

@media (min-width: 768px) and (max-width: 1023px) {
    .bento-cell--1 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--2 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--3 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--4 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--5 {
        grid-column: span 12;
        grid-row: span 3;
    }

    .bento-cell--quote {
        grid-column: span 12;
    }
    .story-sticky-wrap {
        grid-template-columns: 1fr;
    }

    .story-sticky-text {
        position: relative;
        top: auto;
    }
}