/* ===================================
   Grace Coll Portfolio - Animations
   Enhanced Float & Reveal Effects
   =================================== */

/* ===================================
   Base Float Animation Classes
   =================================== */
.float-in {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.float-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.float-in-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.float-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.float-in-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.float-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.float-in-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.float-in-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Staggered delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }
.delay-7 { transition-delay: 0.7s; }
.delay-8 { transition-delay: 0.8s; }

/* ===================================
   Hero Section Animations
   =================================== */
.hero__subtitle {
    opacity: 0;
    transform: translateY(30px);
    animation: floatUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1.5s forwards;
}

.hero__description {
    opacity: 0;
    transform: translateY(30px);
    animation: floatUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1.8s forwards;
}

.hero__buttons {
    opacity: 0;
    transform: translateY(30px);
    animation: floatUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 2.1s forwards;
}

.hero__image {
    opacity: 0;
    transform: translateX(60px) scale(0.95);
    animation: floatInRight 1s cubic-bezier(0.4, 0, 0.2, 1) 0.5s forwards;
}

.hero__image-decoration {
    opacity: 0;
    transform: translate(20px, 20px);
    animation: floatInDecoration 1s cubic-bezier(0.4, 0, 0.2, 1) 1s forwards;
}

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

@keyframes floatInRight {
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes floatInDecoration {
    to {
        opacity: 1;
        transform: translate(0, 0);
    }
}

/* ===================================
   Section Headers Float In
   =================================== */
.section__header {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===================================
   Portfolio Section Animations
   =================================== */
.portfolio__filters {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: 0.2s;
}

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

.portfolio__card {
    opacity: 0;
    transform: translateY(50px) scale(0.98);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.7s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s ease;
}

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

.portfolio__card:nth-child(1) { transition-delay: 0.1s; }
.portfolio__card:nth-child(2) { transition-delay: 0.2s; }
.portfolio__card:nth-child(3) { transition-delay: 0.3s; }
.portfolio__card:nth-child(4) { transition-delay: 0.4s; }
.portfolio__card:nth-child(5) { transition-delay: 0.5s; }
.portfolio__card:nth-child(6) { transition-delay: 0.6s; }

/* Card hover lift effect */
.portfolio__card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 50px rgba(44, 65, 114, 0.15);
}

/* Filter button animations */
.filter-btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===================================
   About Section Animations
   =================================== */
.about__text {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.about__text.visible {
    opacity: 1;
    transform: translateX(0);
}

.about__image {
    opacity: 0;
    transform: translateX(60px) translateY(20px);
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1),
                transform 1s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: 0.3s;
}

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

/* Generic fade-in-slide animation class */
.fade-in-slide {
    opacity: 0;
    transform: translateX(60px) translateY(20px);
    transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1),
                transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-slide.visible {
    opacity: 1;
    transform: translateX(0) translateY(0);
}

/* ===================================
   Timeline Animations
   =================================== */
.about__timeline {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.timeline__item {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline__item.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline__item:nth-child(1) { transition-delay: 0.1s; }
.timeline__item:nth-child(2) { transition-delay: 0.25s; }
.timeline__item:nth-child(3) { transition-delay: 0.4s; }
.timeline__item:nth-child(4) { transition-delay: 0.55s; }

/* Timeline marker pulse */
.timeline__marker {
    position: relative;
}

.timeline__marker::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--color-primary);
    opacity: 0;
    animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }
    100% {
        transform: translate(-50%, -50%) scale(2.5);
        opacity: 0;
    }
}

/* ===================================
   Skills Section Animations
   =================================== */
.about__skills {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.skills__category {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.skills__category:nth-child(1) { transition-delay: 0.1s; }
.skills__category:nth-child(2) { transition-delay: 0.25s; }
.skills__category:nth-child(3) { transition-delay: 0.4s; }

.skill__progress {
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: 0.3s;
}

/* ===================================
   Credentials Animations
   =================================== */
.about__credentials {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.credential {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.credential:nth-child(1) { transition-delay: 0.1s; }
.credential:nth-child(2) { transition-delay: 0.25s; }
.credential:nth-child(3) { transition-delay: 0.4s; }

/* Credential hover effect */
.credential:hover {
    transform: translateY(-8px) scale(1.02);
}

/* Icon gentle float animation */
.credential__icon {
    animation: gentleFloat 4s ease-in-out infinite;
}

.credential:nth-child(1) .credential__icon { animation-delay: 0s; }
.credential:nth-child(2) .credential__icon { animation-delay: 1.3s; }
.credential:nth-child(3) .credential__icon { animation-delay: 2.6s; }

@keyframes gentleFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* ===================================
   Contact Section Animations
   =================================== */
.contact__info {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact__info.visible {
    opacity: 1;
    transform: translateX(0);
}

.contact__form {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: 0.2s;
}

.contact__form.visible {
    opacity: 1;
    transform: translateX(0);
}

.contact__item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.contact__item:nth-child(1) { transition-delay: 0.1s; }
.contact__item:nth-child(2) { transition-delay: 0.2s; }
.contact__item:nth-child(3) { transition-delay: 0.3s; }

/* Contact icon hover */
.contact__icon {
    transition: transform 0.3s ease, background 0.3s ease;
}

.contact__item:hover .contact__icon {
    transform: scale(1.1);
    background: var(--color-primary);
    color: white;
}

/* ===================================
   Button Animations
   =================================== */
.btn {
    position: relative;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(45, 105, 239, 0.3);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: translateY(-1px);
}

/* ===================================
   Form Animations
   =================================== */
.form__group {
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.form__group:nth-child(1) { transition-delay: 0.1s; }
.form__group:nth-child(2) { transition-delay: 0.2s; }
.form__group:nth-child(3) { transition-delay: 0.3s; }
.form__group:nth-child(4) { transition-delay: 0.4s; }

.form__input,
.form__textarea {
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

.form__input:focus,
.form__textarea:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(45, 105, 239, 0.15);
}

/* ===================================
   Footer Animations
   =================================== */
.footer__social-link {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.3s ease;
}

.footer__social-link:hover {
    transform: translateY(-5px) scale(1.1);
}

/* ===================================
   Scroll Arrow Animation
   =================================== */
.scroll-arrow {
    animation: arrowBounce 2s ease-in-out infinite;
}

@keyframes arrowBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(6px);
    }
}

/* ===================================
   Modal Animations
   =================================== */
.modal__overlay {
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.active .modal__overlay {
    opacity: 1;
}

.modal__content {
    transform: translateY(50px) scale(0.9);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal.active .modal__content {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* ===================================
   Nav Link Animations
   =================================== */
.nav__link {
    position: relative;
    transition: color 0.3s ease;
}

.nav__link::after {
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   Loading Spinner
   =================================== */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===================================
   Page Load Animation
   =================================== */
body {
    animation: pageLoad 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===================================
   Reduced Motion Preference
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .float-in,
    .float-in-left,
    .float-in-right,
    .float-in-scale,
    .fade-in-slide,
    .section__header,
    .portfolio__filters,
    .portfolio__card,
    .about__text,
    .about__image,
    .about__timeline,
    .about__skills,
    .about__credentials,
    .timeline__item,
    .skills__category,
    .credential,
    .contact__info,
    .contact__form,
    .contact__item,
    .form__group,
    .hero__subtitle,
    .hero__description,
    .hero__buttons,
    .hero__image,
    .hero-name-animated,
    .typewriter-gradient {
        opacity: 1;
        transform: none;
        width: 100%;
    }

    .timeline__marker::after,
    .credential__icon,
    .portfolio__card-image--primary,
    .portfolio__card-image--secondary,
    .portfolio__card-image--accent,
    .portfolio__card-image--dark,
    .portfolio__card-image--purple,
    .portfolio__card-image--blue {
        animation: none;
    }
}