/* ==========================================================================
   Wells Cove Capital - Refined Coastal Elegance
   ========================================================================== */

/* --------------------------------------------------------------------------
   Custom Properties
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-navy: #1a2634;
    --color-navy-light: #243242;
    --color-oyster: #f4f1eb;
    --color-dune: #e8e2d9;
    --color-gold: #b8956e;
    --color-gold-light: #d4b896;
    --color-text: #2c3e50;
    --color-text-light: #5a6c7d;
    --color-white: #ffffff;

    /* Typography */
    --font-serif: 'Libre Baskerville', Georgia, serif;
    --font-sans: 'Instrument Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 10rem;

    /* Timing */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

    /* Layout */
    --container-max: 1280px;
    --header-height: 80px;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-oyster);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-navy);
}

.section-label {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.section-label--light {
    color: var(--color-gold-light);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    transition: background-color 0.4s var(--ease-out),
                box-shadow 0.4s var(--ease-out);
}

.header.scrolled {
    background-color: rgba(26, 38, 52, 0.97);
    box-shadow: 0 2px 40px rgba(0, 0, 0, 0.1);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6em;
    z-index: 1001;
}

.logo-image {
    height: 40px;
    width: auto;
    border-radius: 6px;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.logo-suffix {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-gold);
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-gold);
    transition: width 0.3s var(--ease-out);
}

.nav-links a:not(.nav-cta):hover {
    color: var(--color-white);
}

.nav-links a:not(.nav-cta):hover::after {
    width: 100%;
}

.nav-cta {
    padding: 0.75rem 1.5rem;
    background-color: var(--color-gold);
    color: var(--color-navy) !important;
    font-weight: 600;
    border-radius: 2px;
    transition: background-color 0.3s ease,
                transform 0.3s var(--ease-out);
}

.nav-cta:hover {
    background-color: var(--color-gold-light);
    transform: translateY(-2px);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 48px;
    height: 48px;
    z-index: 1001;
}

.nav-toggle-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: transform 0.3s var(--ease-out),
                opacity 0.3s ease;
}

.nav-toggle-line:first-child {
    transform: translateY(-4px);
}

.nav-toggle-line:last-child {
    transform: translateY(4px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:first-child {
    transform: translateY(1px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:last-child {
    transform: translateY(-1px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.05);
    animation: heroZoom 20s var(--ease-out) infinite alternate;
}

@keyframes heroZoom {
    from { transform: scale(1.05); }
    to { transform: scale(1.1); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 38, 52, 0.85) 0%,
        rgba(26, 38, 52, 0.6) 50%,
        rgba(26, 38, 52, 0.4) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-lg);
    max-width: 900px;
}

.hero-tagline {
    display: flex;
    flex-direction: column;
    gap: 0.25em;
    margin-bottom: var(--space-md);
}

.tagline-line {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    color: var(--color-white);
    line-height: 1.1;
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s var(--ease-out) forwards;
}

.tagline-line:last-child {
    color: var(--color-gold-light);
    animation-delay: 0.2s;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
    opacity: 0;
    animation: fadeInUp 1s var(--ease-out) 0.4s forwards;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 2rem;
    background-color: var(--color-gold);
    color: var(--color-navy);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 2px;
    transition: background-color 0.3s ease,
                transform 0.3s var(--ease-out),
                gap 0.3s var(--ease-out);
    opacity: 0;
    animation: fadeInUp 1s var(--ease-out) 0.6s forwards;
}

.hero-cta:hover {
    background-color: var(--color-gold-light);
    transform: translateY(-2px);
    gap: var(--space-md);
}

.hero-cta svg {
    transition: transform 0.3s var(--ease-out);
}

.hero-cta:hover svg {
    transform: translateX(4px);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeInUp 1s var(--ease-out) 1s forwards;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.6),
        transparent
    );
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* --------------------------------------------------------------------------
   Wave Divider
   -------------------------------------------------------------------------- */
.wave-divider {
    position: relative;
    margin-top: -60px;
    z-index: 10;
    color: var(--color-oyster);
}

.wave-divider svg {
    display: block;
    width: 100%;
    height: 60px;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about {
    padding: var(--space-3xl) var(--space-lg);
    background-color: var(--color-oyster);
}

.about-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.about-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.about-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-navy);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-text {
    padding-right: var(--space-xl);
}

.about-lead {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-style: italic;
    color: var(--color-navy);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.about-text p {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-image-wrapper {
    position: relative;
}

.about-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 4px;
    position: relative;
    z-index: 2;
}

.about-image-accent {
    position: absolute;
    top: var(--space-lg);
    right: calc(var(--space-lg) * -1);
    bottom: calc(var(--space-lg) * -1);
    left: var(--space-lg);
    background-color: var(--color-dune);
    border-radius: 4px;
    z-index: 1;
}

/* --------------------------------------------------------------------------
   Commitment Section
   -------------------------------------------------------------------------- */
.commitment {
    position: relative;
    padding: var(--space-3xl) var(--space-lg);
    overflow: hidden;
}

.commitment-background {
    position: absolute;
    inset: 0;
}

.commitment-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.commitment-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(26, 38, 52, 0.92) 0%,
        rgba(26, 38, 52, 0.88) 100%
    );
}

.commitment-container {
    position: relative;
    z-index: 1;
    max-width: var(--container-max);
    margin: 0 auto;
}

.commitment-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
}

.commitment-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.commitment-intro {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
}

.pillars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.pillar {
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    transition: background-color 0.4s ease,
                border-color 0.4s ease,
                transform 0.4s var(--ease-out);
}

.pillar:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(184, 149, 110, 0.3);
    transform: translateY(-4px);
}

.pillar-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-md);
    color: var(--color-gold);
}

.pillar-icon svg {
    width: 100%;
    height: 100%;
}

.pillar-title {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.pillar-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Criteria Section
   -------------------------------------------------------------------------- */
.criteria {
    padding: var(--space-3xl) var(--space-lg);
    background-color: var(--color-oyster);
}

.criteria-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.criteria-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.criteria-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-navy);
}

.criteria-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.criteria-industries h3,
.criteria-details h3 {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-md);
}

.industry-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.industry-list li {
    font-size: 1.1rem;
    color: var(--color-text);
    padding-left: var(--space-md);
    position: relative;
}

.industry-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 6px;
    height: 1px;
    background-color: var(--color-gold);
}

.criteria-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.criteria-card {
    padding: var(--space-lg);
    background-color: var(--color-white);
    border-radius: 4px;
    border: 1px solid var(--color-dune);
    transition: border-color 0.3s ease,
                box-shadow 0.3s ease;
}

.criteria-card:hover {
    border-color: var(--color-gold);
    box-shadow: 0 8px 30px rgba(26, 38, 52, 0.06);
}

.criteria-card-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: var(--space-xs);
}

.criteria-card-value {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-navy);
    line-height: 1.4;
}

.criteria-note {
    text-align: center;
    font-style: italic;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact {
    padding: var(--space-3xl) var(--space-lg);
    background-color: var(--color-navy);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-2xl);
    max-width: var(--container-max);
    margin: 0 auto;
}

.contact-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.contact-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-xl);
    max-width: 400px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: var(--space-xs);
}

.contact-detail span,
.contact-detail a {
    font-size: 1.1rem;
    color: var(--color-white);
    line-height: 1.5;
}

.contact-detail a {
    transition: color 0.3s ease;
}

.contact-detail a:hover {
    color: var(--color-gold-light);
}

/* Contact Form */
.contact-form {
    background-color: var(--color-white);
    padding: var(--space-xl);
    border-radius: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group--full {
    grid-column: 1 / -1;
    margin-bottom: var(--space-md);
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-dune);
    border-radius: 2px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-oyster);
    transition: border-color 0.3s ease,
                box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(184, 149, 110, 0.15);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 2rem;
    background-color: var(--color-navy);
    color: var(--color-white);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 2px;
    transition: background-color 0.3s ease,
                gap 0.3s var(--ease-out);
}

.form-submit:hover {
    background-color: var(--color-navy-light);
    gap: var(--space-md);
}

.form-submit svg {
    transition: transform 0.3s var(--ease-out);
}

.form-submit:hover svg {
    transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: var(--space-2xl) var(--space-lg) var(--space-xl);
    background-color: var(--color-navy);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.footer-brand {
    margin-bottom: var(--space-xl);
}

.footer-logo {
    display: inline-flex;
    align-items: baseline;
    gap: 0.4em;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-lg);
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-gold);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-credit a {
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
}

.footer-credit a:hover {
    color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   Scroll Animations
   -------------------------------------------------------------------------- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out),
                transform 0.8s var(--ease-out);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children animations */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--ease-out),
                transform 0.6s var(--ease-out);
}

.stagger-children.is-visible > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: translateY(0); }
.stagger-children.is-visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.is-visible > *:nth-child(3) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.is-visible > *:nth-child(4) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
    .pillars {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        gap: var(--space-xl);
    }

    .about-text {
        padding-right: var(--space-lg);
    }
}

@media (max-width: 900px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-text {
        padding-right: 0;
        order: 2;
    }

    .about-image-wrapper {
        order: 1;
        max-width: 500px;
        margin: 0 auto;
    }

    .criteria-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

    .contact-info {
        text-align: center;
    }

    .contact-text {
        max-width: none;
    }

    .contact-details {
        flex-direction: row;
        justify-content: center;
        gap: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: 3rem;
        --space-2xl: 4rem;
        --space-3xl: 6rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        justify-content: center;
        gap: var(--space-lg);
        background-color: var(--color-navy);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.4s ease,
                    visibility 0.4s ease;
    }

    .nav-links.is-open {
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: 1.5rem;
        color: var(--color-white);
    }

    .nav-cta {
        font-size: 1rem !important;
    }

    .pillars {
        grid-template-columns: 1fr;
    }

    .criteria-cards {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-details {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    :root {
        --space-lg: 2rem;
    }

    .hero-scroll {
        display: none;
    }

    .about-image {
        height: 350px;
    }

    .contact-form {
        padding: var(--space-lg);
    }
}

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

    html {
        scroll-behavior: auto;
    }

    .hero-image {
        animation: none;
        transform: scale(1);
    }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background-color: var(--color-navy);
    color: var(--color-white);
    z-index: 9999;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: var(--space-md);
}

/* --------------------------------------------------------------------------
   Form Spinner Animation
   -------------------------------------------------------------------------- */
.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}