/* ==============================================
   ENERJİ KİMLİK BELGESİ - Performance Dashboard
   Animated energy class indicators & comparisons
   ============================================== */

/* Main Content */
.ekb-main {
    background: linear-gradient(180deg, #0a0a0c 0%, #0d0d10 100%);
    position: relative;
    overflow: hidden;
}

.ekb-main::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 80px 80px;
    pointer-events: none;
    z-index: 0;
}

.ekb-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 4rem;
}

/* ========================================
   INTRO SECTION
   ======================================== */

.ekb-intro {
    padding: 6rem 0 3rem;
    position: relative;
    z-index: 1;
    text-align: center;
}

.intro-content {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.intro-content.visible {
    opacity: 1;
    transform: translateY(0);
}

.intro-content p {
    font-size: 1.15rem;
    color: var(--yk-text-secondary);
    line-height: 1.7;
    max-width: 650px;
    margin: 0 auto;
}

/* ========================================
   ENERGY CLASS SECTION
   ======================================== */

.energy-section {
    padding: 3rem 0 5rem;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-header h2 {
    font-size: 1.8rem;
    color: #fff;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.section-header p {
    color: var(--yk-text-secondary);
}

/* Energy Ladder */
.energy-ladder {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.energy-class {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    position: relative;
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.5s ease;
}

.energy-class.visible {
    opacity: 1;
    transform: translateX(0);
}

.energy-class:nth-child(1) {
    transition-delay: 0.1s;
}

.energy-class:nth-child(2) {
    transition-delay: 0.15s;
}

.energy-class:nth-child(3) {
    transition-delay: 0.2s;
}

.energy-class:nth-child(4) {
    transition-delay: 0.25s;
}

.energy-class:nth-child(5) {
    transition-delay: 0.3s;
}

.energy-class:nth-child(6) {
    transition-delay: 0.35s;
}

.energy-class:nth-child(7) {
    transition-delay: 0.4s;
}

.class-letter {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.3rem;
    color: #fff;
    border-radius: 8px;
    flex-shrink: 0;
}

.class-bar {
    flex: 1;
    height: 30px;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.class-bar-fill {
    height: 100%;
    border-radius: 4px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.energy-class.visible .class-bar-fill {
    width: var(--bar-width, 50%);
}

.class-label {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.7);
}

/* Color coding */
.energy-class.a {
    --class-color: #00a651;
}

.energy-class.b {
    --class-color: #8dc63f;
}

.energy-class.c {
    --class-color: #d7df23;
}

.energy-class.d {
    --class-color: #fff100;
}

.energy-class.e {
    --class-color: #f7931e;
}

.energy-class.f {
    --class-color: #f15a24;
}

.energy-class.g {
    --class-color: #ed1c24;
}

.energy-class .class-letter {
    background: var(--class-color);
}

.energy-class .class-bar {
    background: rgba(255, 255, 255, 0.05);
}

.energy-class .class-bar-fill {
    background: var(--class-color);
}

/* Highlight active class */
.energy-class.active {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(0) scale(1.02);
}

.energy-class.active::after {
    content: '← Sizin Binanız';
    position: absolute;
    right: -130px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--yk-gold);
}

/* ========================================
   COMPARISON SECTION
   ======================================== */

.comparison-section {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.01);
    position: relative;
    z-index: 1;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 80px 1fr;
    gap: 2rem;
    align-items: center;
}

.comparison-card {
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.comparison-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.comparison-card.before {
    background: linear-gradient(145deg, rgba(239, 68, 68, 0.08), rgba(0, 0, 0, 0.2));
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.comparison-card.after {
    background: linear-gradient(145deg, rgba(34, 197, 94, 0.08), rgba(0, 0, 0, 0.2));
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.comparison-card h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.before h4 {
    color: #f87171;
}

.after h4 {
    color: #4ade80;
}

.big-class {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 1rem;
}

.before .big-class {
    color: #f87171;
}

.after .big-class {
    color: #4ade80;
}

.comparison-card p {
    color: var(--yk-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.comparison-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    transition: all 0.6s ease 0.3s;
}

.comparison-arrow.visible {
    opacity: 1;
}

.arrow-icon {
    font-size: 2rem;
    color: var(--yk-gold);
}

.arrow-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--yk-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ========================================
   BENEFITS SECTION
   ======================================== */

.benefits-section {
    padding: 5rem 0;
    position: relative;
    z-index: 1;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.benefit-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease;
}

.benefit-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.benefit-card:nth-child(1) {
    transition-delay: 0.1s;
}

.benefit-card:nth-child(2) {
    transition-delay: 0.2s;
}

.benefit-card:nth-child(3) {
    transition-delay: 0.3s;
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.benefit-card h4 {
    font-size: 1.1rem;
    color: #fff;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.benefit-card p {
    color: var(--yk-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ========================================
   CTA SECTION
   ======================================== */

.ekb-cta {
    padding: 5rem 0;
    text-align: center;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.ekb-cta.visible {
    opacity: 1;
    transform: translateY(0);
}

.ekb-cta h2 {
    font-size: 1.8rem;
    color: #fff;
    font-weight: 700;
    margin-bottom: 1rem;
}

.ekb-cta p {
    color: var(--yk-text-secondary);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.2rem 2.5rem;
    background: var(--yk-gold);
    color: #000;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.cta-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 40px rgba(212, 168, 83, 0.3);
}

/* Back Link */
.back-section {
    padding: 3rem 0 5rem;
    position: relative;
    z-index: 1;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--yk-text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--yk-gold);
}

.back-link::before {
    content: '←';
    transition: transform 0.3s ease;
}

.back-link:hover::before {
    transform: translateX(-5px);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1024px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .comparison-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    .ekb-container {
        padding: 0 1.5rem;
    }

    .energy-class.active::after {
        position: static;
        display: block;
        margin-top: 0.5rem;
        font-size: 0.75rem;
    }

    .big-class {
        font-size: 4rem;
    }

    .comparison-card {
        padding: 2rem;
    }
}