/* ==========================================
   KIA ELBIL – Interactive Hub Page
   ========================================== */

/* --- Hero with Particles --- */
.elbil-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-bg);
}

.elbil-hero__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.elbil-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(5, 196, 107, 0.1) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 30%, rgba(187, 22, 43, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.elbil-hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 120px 24px 80px;
    max-width: 900px;
}

.elbil-hero__label {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(5, 196, 107, 0.1);
    border: 1px solid rgba(5, 196, 107, 0.3);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 28px;
    animation: elbilFadeInDown 0.8s ease forwards;
}

.elbil-hero__title {
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 0.95;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-accent) 50%, var(--color-white) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: elbilShimmer 4s ease infinite, elbilFadeInUp 1s ease forwards;
}

.elbil-hero__subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    max-width: 620px;
    margin: 0 auto 44px;
    line-height: 1.7;
    animation: elbilFadeInUp 1s 0.2s ease both;
}

.elbil-hero__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 72px;
    animation: elbilFadeInUp 1s 0.4s ease both;
}

.elbil-hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-dim);
    font-size: 0.8125rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    z-index: 2;
}

.elbil-hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease infinite;
}

/* --- Animated Counters --- */
.elbil-hero__counter {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    animation: elbilFadeInUp 1s 0.6s ease both;
}

.elbil-counter {
    text-align: center;
    min-width: 100px;
}

.elbil-counter__value {
    display: block;
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.elbil-counter__label {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-dim);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* --- Model Selector --- */
.elbil-selector__tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
}

.elbil-selector__tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 20px 40px;
    background: var(--color-bg-card);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: var(--font-family);
}

.elbil-selector__tab:hover {
    border-color: rgba(5, 196, 107, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.elbil-selector__tab--active {
    border-color: var(--color-accent);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(5, 196, 107, 0.1) 100%);
    box-shadow: 0 0 40px rgba(5, 196, 107, 0.15);
}

.elbil-selector__tab-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
}

.elbil-selector__tab-type {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.elbil-selector__tab--active .elbil-selector__tab-type {
    color: var(--color-accent);
}

/* --- Model Cards --- */
.elbil-model {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    opacity: 0;
    transform: translateY(20px);
}

.elbil-model--active {
    display: grid;
    animation: elbilModelIn 0.6s ease forwards;
}

.elbil-model__image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.elbil-model__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 16/10;
    transition: transform 0.6s ease;
}

.elbil-model__image:hover img {
    transform: scale(1.04);
}

.elbil-model__name {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 8px;
}

.elbil-model__tagline {
    font-size: 1.05rem;
    color: var(--color-accent);
    margin-bottom: 32px;
    font-weight: 500;
}

/* --- Animated Spec Bars --- */
.elbil-model__specs {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

.elbil-model__spec {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.elbil-model__spec-bar {
    height: 6px;
    background: var(--color-surface);
    border-radius: 3px;
    overflow: hidden;
}

.elbil-model__spec-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    border-radius: 3px;
    width: 0;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.elbil-model--active .elbil-model__spec-fill {
    width: var(--target-width);
}

.elbil-model__spec-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.88rem;
}

.elbil-model__spec-info span {
    color: var(--color-text-muted);
}

.elbil-model__spec-info strong {
    color: var(--color-white);
    font-weight: 700;
}

/* --- Model Price --- */
.elbil-model__price {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 28px;
    padding: 20px 24px;
    background: rgba(5, 196, 107, 0.06);
    border: 1px solid rgba(5, 196, 107, 0.15);
    border-radius: var(--radius-md);
}

.elbil-model__price-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.elbil-model__price-amount {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-accent);
}

/* --- Range Calculator --- */
.elbil-calculator {
    max-width: 960px;
    margin: 0 auto;
}

.elbil-calculator__slider-wrap {
    text-align: center;
    margin-bottom: 48px;
    padding: 40px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.elbil-calculator__label {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 24px;
}

.elbil-calculator__slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: var(--color-surface);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.elbil-calculator__slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    background: var(--color-accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(5, 196, 107, 0.4);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.elbil-calculator__slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 30px rgba(5, 196, 107, 0.6);
}

.elbil-calculator__slider::-moz-range-thumb {
    width: 28px;
    height: 28px;
    background: var(--color-accent);
    border-radius: 50%;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(5, 196, 107, 0.4);
}

.elbil-calculator__slider-value {
    margin-top: 16px;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-accent);
}

/* --- Calculator Result Cards --- */
.elbil-calculator__results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.elbil-calc-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}

.elbil-calc-card:hover {
    border-color: rgba(5, 196, 107, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.elbil-calc-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.elbil-calc-card__header h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-white);
}

.elbil-calc-card__range {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-accent);
    padding: 4px 12px;
    background: rgba(5, 196, 107, 0.1);
    border-radius: var(--radius-xl);
}

.elbil-calc-card__bar {
    height: 6px;
    background: var(--color-surface);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 24px;
}

.elbil-calc-card__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    border-radius: 3px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.elbil-calc-card__stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.elbil-calc-card__stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.elbil-calc-card__stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
}

.elbil-calc-card__stat-label {
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

/* --- Benefits Cards with Tilt --- */
.elbil-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.elbil-benefit {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.elbil-benefit:hover {
    border-color: rgba(5, 196, 107, 0.4);
    transform: translateY(-8px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.elbil-benefit__glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(5, 196, 107, 0.08) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.elbil-benefit:hover .elbil-benefit__glow {
    opacity: 1;
}

.elbil-benefit__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-glow);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    color: var(--color-accent);
    transition: var(--transition);
}

.elbil-benefit:hover .elbil-benefit__icon {
    background: var(--color-accent);
    color: var(--color-bg);
    transform: scale(1.1);
}

.elbil-benefit__icon svg {
    width: 26px;
    height: 26px;
}

.elbil-benefit__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 10px;
}

.elbil-benefit__text {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

/* --- Benefit Meter --- */
.elbil-benefit__meter {
    margin-top: auto;
}

.elbil-benefit__meter-track {
    height: 4px;
    background: var(--color-surface);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 8px;
}

.elbil-benefit__meter-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    border-radius: 2px;
    width: 0;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.elbil-benefit__meter-label {
    font-size: 0.8125rem;
    color: var(--color-accent);
    font-weight: 600;
}

/* --- Comparison Tool --- */
.elbil-compare {
    max-width: 800px;
    margin: 0 auto;
}

.elbil-compare__selectors {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 24px;
    margin-bottom: 48px;
}

.elbil-compare__select-wrap {
    flex: 1;
    max-width: 250px;
}

.elbil-compare__select-wrap label {
    display: block;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.elbil-compare__select {
    width: 100%;
    appearance: none;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 40px 14px 16px;
    cursor: pointer;
    transition: var(--transition);
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2305c46b' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}

.elbil-compare__select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.elbil-compare__vs {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--color-accent);
    padding-bottom: 14px;
}

/* --- Comparison Chart --- */
.elbil-compare__chart {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.elbil-compare__row {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    transition: var(--transition);
}

.elbil-compare__row:hover {
    border-color: rgba(5, 196, 107, 0.2);
}

.elbil-compare__label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 12px;
}

.elbil-compare__bars {
    display: flex;
    gap: 12px;
}

.elbil-compare__bar {
    flex: 1;
    position: relative;
}

.elbil-compare__bar-fill {
    height: 32px;
    border-radius: var(--radius-sm);
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0;
}

.elbil-compare__bar--left .elbil-compare__bar-fill {
    background: linear-gradient(90deg, var(--color-accent), rgba(5, 196, 107, 0.6));
}

.elbil-compare__bar--right .elbil-compare__bar-fill {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.08));
}

.elbil-compare__bar-value {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 12px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--color-white);
    white-space: nowrap;
}

/* --- Charging Timeline --- */
.elbil-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 0 0 40px;
}

.elbil-timeline__line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 18px;
    width: 3px;
    background: var(--color-surface);
    border-radius: 2px;
}

.elbil-timeline__progress {
    width: 100%;
    height: 0;
    background: linear-gradient(180deg, var(--color-accent), var(--color-accent-hover));
    border-radius: 2px;
    transition: height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.elbil-timeline__step {
    position: relative;
    margin-bottom: 32px;
    cursor: pointer;
}

.elbil-timeline__step:last-child {
    margin-bottom: 0;
}

.elbil-timeline__dot {
    position: absolute;
    left: -30px;
    top: 24px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 3px solid var(--color-bg-alt);
    transition: all 0.4s ease;
    z-index: 1;
}

.elbil-timeline__step--active .elbil-timeline__dot {
    background: var(--color-accent);
    box-shadow: 0 0 16px rgba(5, 196, 107, 0.5);
    transform: scale(1.3);
}

.elbil-timeline__card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all 0.4s ease;
    opacity: 0.5;
    transform: translateX(10px);
}

.elbil-timeline__step--active .elbil-timeline__card {
    border-color: rgba(5, 196, 107, 0.3);
    opacity: 1;
    transform: translateX(0);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.elbil-timeline__time {
    display: inline-block;
    padding: 4px 14px;
    background: var(--color-accent);
    color: var(--color-bg);
    font-size: 0.8125rem;
    font-weight: 700;
    border-radius: var(--radius-xl);
    margin-bottom: 12px;
}

.elbil-timeline__card h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 8px;
}

.elbil-timeline__card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

/* --- Battery Indicator --- */
.elbil-timeline__battery {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 24px;
    background: var(--color-surface);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.elbil-timeline__battery-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    border-radius: 12px;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.elbil-timeline__battery span {
    position: absolute;
    right: 12px;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-white);
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes elbilFadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes elbilFadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes elbilShimmer {
    0% { background-position: 200% center; }
    100% { background-position: -200% center; }
}

@keyframes elbilModelIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes elbilPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(5, 196, 107, 0.4); }
    50% { box-shadow: 0 0 0 12px rgba(5, 196, 107, 0); }
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
    .elbil-model--active {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .elbil-calculator__results {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }

    .elbil-compare__selectors {
        flex-direction: column;
        align-items: center;
    }

    .elbil-compare__select-wrap {
        max-width: 100%;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .elbil-hero__content {
        padding: 100px 20px 60px;
    }

    .elbil-hero__counter {
        gap: 24px;
    }

    .elbil-counter__value {
        font-size: 2rem;
    }

    .elbil-hero__scroll {
        display: none;
    }

    .elbil-selector__tabs {
        flex-direction: column;
        align-items: center;
    }

    .elbil-selector__tab {
        width: 100%;
        max-width: 300px;
    }

    .elbil-benefits {
        grid-template-columns: 1fr;
    }

    .elbil-compare__bars {
        flex-direction: column;
    }

    .elbil-timeline {
        padding-left: 32px;
    }

    .elbil-timeline__line {
        left: 12px;
    }

    .elbil-timeline__dot {
        left: -26px;
    }

    .elbil-timeline__card {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .elbil-hero__title {
        font-size: 3.5rem;
    }

    .elbil-hero__counter {
        flex-direction: column;
        gap: 20px;
    }

    .elbil-model__name {
        font-size: 1.6rem;
    }

    .elbil-model__price-amount {
        font-size: 1.4rem;
    }
}