/* ============================================
   SkyPulse — Premium Weather App Styles
   Apple-Inspired Glassmorphism Design
   ============================================ */

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

:root {
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
    --bg-primary: #0a0a1a;
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --text-primary: #f5f5f7;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-tertiary: rgba(255, 255, 255, 0.35);
    --accent-blue: #0a84ff;
    --accent-orange: #ff9f0a;
    --accent-yellow: #ffd60a;
    --accent-green: #30d158;
    --accent-red: #ff453a;
    --accent-purple: #bf5af2;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 28px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* ----- Animated Background ----- */
.bg-gradient {
    position: fixed;
    inset: 0;
    z-index: 0;
    transition: background 1.5s ease;
    background: linear-gradient(135deg, #0c1445 0%,#1a1a2e 30%,#16213e 60%,#0f3460 100%);
}

.bg-gradient.sunny {
    background: linear-gradient(135deg, #1a355e 0%, #1e3a5f 25%, #2c5f8a 50%, #4a90d9 100%);
}
.bg-gradient.cloudy {
    background: linear-gradient(135deg, #1a1a2e 0%, #2d3436 50%, #636e72 100%);
}
.bg-gradient.rainy {
    background: linear-gradient(135deg, #0c0c1d 0%, #1a1a2e 30%, #2c3e50 100%);
}
.bg-gradient.snowy {
    background: linear-gradient(135deg, #1a1a3e 0%, #2c3e6e 50%, #667eaa 100%);
}
.bg-gradient.night {
    background: linear-gradient(135deg, #020111 0%, #0a0a2e 40%, #191970 100%);
}
.bg-gradient.stormy {
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 40%, #2c2c3e 100%);
}

.bg-orbs {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, var(--accent-blue), transparent 70%);
    top: -150px; right: -100px;
    animation-delay: 0s;
}
.orb-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, var(--accent-purple), transparent 70%);
    bottom: -100px; left: -100px;
    animation-delay: -7s;
}
.orb-3 {
    width: 350px; height: 350px;
    background: radial-gradient(circle, var(--accent-orange), transparent 70%);
    top: 40%; left: 50%;
    animation-delay: -14s;
    opacity: 0.15;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ----- App Container ----- */
.app {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px 40px;
    min-height: 100vh;
}

/* ----- Glass Card ----- */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

/* ----- Header ----- */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    gap: 16px;
}

.header-left { flex: 0 0 auto; }
.header-center { flex: 1; max-width: 360px; }
.header-right { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; }

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.logo-icon {
    width: 32px; height: 32px;
    color: var(--accent-blue);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ----- Search ----- */
.search-container {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px; height: 16px;
    color: var(--text-tertiary);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 10px 16px 10px 40px;
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(20px);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.9rem;
    outline: none;
    transition: all var(--transition);
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-input:focus {
    border-color: var(--accent-blue);
    background: rgba(255,255,255,0.1);
    box-shadow: 0 0 0 3px rgba(10,132,255,0.15);
}

.search-suggestions {
    position: absolute;
    top: calc(100% + 8px);
    left: 0; right: 0;
    background: rgba(30,30,50,0.95);
    backdrop-filter: blur(40px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: none;
    z-index: 100;
    box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}

.search-suggestions.visible {
    display: block;
    animation: slideDown 0.25s ease;
}

.suggestion-item {
    padding: 12px 16px;
    cursor: pointer;
    transition: background 0.2s;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.suggestion-item:hover {
    background: rgba(255,255,255,0.08);
    color: var(--text-primary);
}

.suggestion-item .country-flag {
    font-size: 1.1rem;
}

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

/* ----- Header Buttons ----- */
.btn-location, .btn-unit {
    width: 40px; height: 40px;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 600;
}

.btn-location svg {
    width: 18px; height: 18px;
}

.btn-location:hover, .btn-unit:hover {
    background: rgba(255,255,255,0.12);
    color: var(--text-primary);
    border-color: rgba(255,255,255,0.2);
}

.btn-location:active, .btn-unit:active {
    transform: scale(0.92);
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    background: rgba(48,209,88,0.12);
    border: 1px solid rgba(48,209,88,0.2);
}

.live-dot {
    width: 6px; height: 6px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.live-text {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--accent-green);
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
}

/* ----- Loading State ----- */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    gap: 24px;
}

.loading-spinner {
    position: relative;
    width: 60px;
    height: 60px;
}

.spinner-ring {
    position: absolute;
    inset: 0;
    border: 2px solid transparent;
    border-radius: 50%;
    border-top-color: var(--accent-blue);
    animation: spin 1.2s linear infinite;
}

.spinner-ring:nth-child(2) {
    inset: 6px;
    border-top-color: var(--accent-purple);
    animation-duration: 1.6s;
    animation-direction: reverse;
}

.spinner-ring:nth-child(3) {
    inset: 12px;
    border-top-color: var(--accent-orange);
    animation-duration: 2s;
}

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

.loading-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: -0.01em;
}

/* ----- Hero Section ----- */
.hero-section {
    text-align: center;
    padding: 10px 0 30px;
}

.hero-location { margin-bottom: 8px; }

.city-name {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1.1;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.city-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.hero-weather {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.hero-temp-block {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
}

.weather-icon-large {
    font-size: 4rem;
    line-height: 1;
    margin-right: 8px;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
    animation: iconBreathe 3s ease-in-out infinite;
}

@keyframes iconBreathe {
    0%, 100% { transform: scale(1) translateY(0); }
    50% { transform: scale(1.05) translateY(-3px); }
}

.hero-temp {
    font-size: 6.5rem;
    font-weight: 200;
    letter-spacing: -0.06em;
    line-height: 1;
    background: linear-gradient(180deg, #ffffff 0%, rgba(255,255,255,0.75) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-temp-unit {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-top: 8px;
}

.hero-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.weather-condition {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: capitalize;
}

.temp-range {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.feels-like {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.last-updated {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 8px;
}

/* ----- Card Titles ----- */
.card-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.card-icon {
    width: 14px; height: 14px;
}

/* ----- Hourly Forecast ----- */
.hourly-card {
    margin-bottom: 16px;
}

.hourly-scroll {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.hourly-scroll::-webkit-scrollbar {
    height: 4px;
}

.hourly-scroll::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.04);
    border-radius: 2px;
}

.hourly-scroll::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.12);
    border-radius: 2px;
}

.hourly-item {
    flex: 0 0 70px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px 8px;
    border-radius: var(--radius-md);
    scroll-snap-align: start;
    transition: background 0.3s;
}

.hourly-item:hover {
    background: rgba(255,255,255,0.06);
}

.hourly-item.now {
    background: rgba(10,132,255,0.15);
    border: 1px solid rgba(10,132,255,0.3);
}

.hourly-time {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.hourly-item.now .hourly-time {
    color: var(--accent-blue);
}

.hourly-icon {
    font-size: 1.5rem;
}

.hourly-temp {
    font-size: 0.95rem;
    font-weight: 600;
}

/* ----- Daily Forecast ----- */
.daily-card {
    margin-bottom: 16px;
}

.daily-list {
    display: flex;
    flex-direction: column;
}

.daily-item {
    display: grid;
    grid-template-columns: 100px 40px 1fr 50px 50px;
    align-items: center;
    gap: 8px;
    padding: 12px 4px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: background 0.2s;
}

.daily-item:last-child {
    border-bottom: none;
}

.daily-item:hover {
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-sm);
}

.daily-day {
    font-size: 0.9rem;
    font-weight: 500;
}

.daily-icon {
    font-size: 1.4rem;
    text-align: center;
}

.daily-bar-container {
    display: flex;
    align-items: center;
    height: 4px;
    background: rgba(255,255,255,0.06);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.daily-bar {
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-orange));
    transition: width 0.8s ease;
}

.daily-temp-low {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    text-align: right;
}

.daily-temp-high {
    font-size: 0.85rem;
    font-weight: 600;
    text-align: right;
}

/* ----- Details Grid ----- */
.details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 16px;
}

.detail-card {
    display: flex;
    flex-direction: column;
    min-height: 170px;
}

.detail-title {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.detail-icon {
    width: 13px; height: 13px;
}

.detail-value {
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: -0.03em;
    margin-bottom: 4px;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: auto;
}

/* UV Meter */
.uv-meter {
    height: 4px;
    background: rgba(255,255,255,0.06);
    border-radius: 2px;
    margin-top: 12px;
    overflow: hidden;
}

.uv-meter-fill {
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-yellow), var(--accent-orange), var(--accent-red), var(--accent-purple));
    transition: width 0.8s ease;
    width: 0%;
}

/* Wind Compass */
.wind-compass {
    position: relative;
    width: 110px;
    height: 110px;
    margin: 8px auto 0;
}

.compass-ring {
    position: absolute;
    inset: 0;
    border: 1.5px solid rgba(255,255,255,0.1);
    border-radius: 50%;
}

.compass-dir {
    position: absolute;
    font-size: 0.6rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

.compass-needle {
    position: absolute;
    top: 50%; left: 50%;
    width: 2px;
    height: 40px;
    background: linear-gradient(to top, transparent, var(--accent-red));
    transform-origin: bottom center;
    transform: translate(-50%, -100%) rotate(0deg);
    transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 1px;
}

.compass-needle::after {
    content: '';
    position: absolute;
    top: -2px; left: -3px;
    width: 8px; height: 8px;
    background: var(--accent-red);
    border-radius: 50%;
}

.compass-center {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.wind-speed-val {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1;
}

.wind-speed-unit {
    font-size: 0.55rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Humidity Wave */
.humidity-wave-container {
    width: 100%;
    height: 30px;
    background: rgba(255,255,255,0.04);
    border-radius: 6px;
    overflow: hidden;
    margin-top: 12px;
    position: relative;
}

.humidity-wave {
    position: absolute;
    bottom: 0;
    left: -50%;
    width: 200%;
    background: linear-gradient(180deg, rgba(10,132,255,0.3), rgba(10,132,255,0.08));
    transition: height 0.8s ease;
    height: 0%;
}

.humidity-wave::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 0;
    width: 100%;
    height: 12px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 30' preserveAspectRatio='none'%3E%3Cpath d='M0 15 Q 150 0, 300 15 T 600 15 T 900 15 T 1200 15 V30 H0Z' fill='rgba(10,132,255,0.3)'/%3E%3C/svg%3E") repeat-x;
    animation: waveMove 3s linear infinite;
}

@keyframes waveMove {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Pressure Gauge */
.pressure-gauge {
    margin-top: auto;
}

.gauge-svg {
    width: 100%;
    max-width: 130px;
    margin: 0 auto;
    display: block;
}

/* Sun Arc */
.sun-arc-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.sun-arc-svg {
    width: 100%;
    max-width: 180px;
}

.sun-times {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 180px;
}

.sun-time {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.sun-time-label {
    font-size: 0.65rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.sun-time-value {
    font-size: 0.95rem;
    font-weight: 600;
}

/* ----- Air Quality ----- */
.air-quality-card {
    margin-bottom: 16px;
}

.aqi-display {
    text-align: center;
    margin-bottom: 16px;
}

.aqi-value {
    font-size: 3rem;
    font-weight: 200;
    letter-spacing: -0.04em;
}

.aqi-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 12px;
}

.aqi-bar {
    height: 4px;
    background: rgba(255,255,255,0.06);
    border-radius: 2px;
    overflow: hidden;
}

.aqi-bar-fill {
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-yellow), var(--accent-orange), var(--accent-red), var(--accent-purple));
    transition: width 0.8s ease;
    width: 0%;
}

.aqi-components {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.aqi-comp {
    text-align: center;
    padding: 10px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.03);
}

.aqi-comp-name {
    font-size: 0.65rem;
    color: var(--text-tertiary);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.aqi-comp-value {
    font-size: 1.1rem;
    font-weight: 600;
}

/* ----- Footer ----- */
.footer {
    text-align: center;
    padding: 20px 0;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* ----- Animations ----- */
.animate-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeSlideIn 0.6s ease forwards;
}

.animate-in:nth-child(1) { animation-delay: 0s; }
.animate-in:nth-child(2) { animation-delay: 0.08s; }
.animate-in:nth-child(3) { animation-delay: 0.16s; }
.animate-in:nth-child(4) { animation-delay: 0.24s; }
.animate-in:nth-child(5) { animation-delay: 0.32s; }
.animate-in:nth-child(6) { animation-delay: 0.4s; }

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

/* Value change flash */
.value-flash {
    animation: flashHighlight 0.6s ease;
}

@keyframes flashHighlight {
    0% { color: var(--accent-blue); }
    100% { color: var(--text-primary); }
}

/* ----- Responsive ----- */
@media (max-width: 768px) {
    .app {
        padding: 0 12px 30px;
    }

    .header {
        flex-wrap: wrap;
        padding: 12px 0;
    }

    .header-center {
        order: 3;
        max-width: 100%;
        width: 100%;
    }

    .city-name {
        font-size: 1.6rem;
    }

    .hero-temp {
        font-size: 5rem;
    }

    .weather-icon-large {
        font-size: 3rem;
    }

    .details-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .detail-card {
        min-height: 150px;
        padding: 16px;
    }

    .daily-item {
        grid-template-columns: 80px 36px 1fr 40px 40px;
        font-size: 0.85rem;
    }

    .aqi-components {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-temp {
        font-size: 4rem;
    }

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

    .logo-text {
        display: none;
    }
}

/* ----- Selection & Scrollbar ----- */
::selection {
    background: rgba(10,132,255,0.3);
    color: #fff;
}

body::-webkit-scrollbar {
    width: 6px;
}

body::-webkit-scrollbar-track {
    background: transparent;
}

body::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
}

body::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

/* ----- Shimmer Loading ----- */
.shimmer {
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.04) 50%, transparent 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

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

/* Footer Credit Styles */
.footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 40px;
    text-align: center;
}

.footer p {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.footer-credit {
    font-size: 0.85rem !important;
    color: var(--text-secondary) !important;
    letter-spacing: 0.02em;
}

.footer-credit strong {
    color: var(--text-primary);
    font-weight: 600;
}

.footer-credit a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.footer-credit a:hover {
    color: #fff;
    border-bottom-color: var(--accent-blue);
}