:root {
    --zirve-primary: #3fb1e5;
    --zirve-primary-dark: #1a73a7;
    --zirve-dark: #0a1628;
    --zirve-darker: #050d18;
    --zirve-text-dark: #1a1a77;
    --zirve-text-muted-dark: #666666;
    --zirve-border-light: rgba(0, 0, 0, 0.1);
}

/* Sub Navigation */
.zirve-subnav {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    padding: 0px 30px 0px 50px;
    background: linear-gradient(90deg, #01224E 0%, #010F27 50%, #01224E 100%);
    border-bottom: 1px solid #010129;
    height: 50px;
}

.zirve-subnav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
}

    .zirve-subnav-list li {
        position: relative;
        height: 50px;
        vertical-align: middle;
    }

        .zirve-subnav-list li::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: #0090FF;
            box-shadow: 0px -1px 30px #0090FF, 0px -1px 24px #0090FF, 0px -1px 18px #0090FF, 0px -1px 12px #0090FF, 0px -1px 8px #0090FF;
            transition: width 0.3s ease;
        }

        .zirve-subnav-list li:hover::after {
            width: 100%;
        }

        .zirve-subnav-list li:hover a {
            color: #FFFFFF;
        }

            .zirve-subnav-list li:hover a.zirve-subnav-cta {
                color: #71B5EA;
            }

        .zirve-subnav-list li a {
            font-style: normal;
            font-weight: 400;
            font-size: 18px;
            line-height: 20px;
            letter-spacing: -0.5px;
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            height: 50px;
        }


            .zirve-subnav-list li a.zirve-subnav-cta {
                font-style: normal;
                font-weight: 500;
                font-size: 18px;
                line-height: 20px;
                color: #0090FF;
            }



/* Hero Section */
.zirve-hero-section {
    position: relative;
    min-height: 720px;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0B1929 0%, #0A2463 35.36%, #3E92CC 70.71%);
    padding-top: 80px;
    padding-bottom: 80px;
}

.zirve-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zirve-hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Ccircle cx='50' cy='50' r='1' fill='white' opacity='0.3'/%3E%3C/svg%3E");
    background-size: 50px 50px;
    animation: twinkle 3s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.6;
    }
}

.zirve-hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}

.zirve-hero-title {
    font-family: "Archivo";
    font-style: normal;
    font-weight: 600;
    font-size: 76px;
    line-height: 96px;
    text-align: center;
    letter-spacing: -0.7px;
    color: #FFFFFF;
    margin-bottom: 50px;
}

.zirve-hero-subtitle {
    font-style: normal;
    font-weight: 400;
    font-size: 36px;
    line-height: 40px;
    text-align: center;
    letter-spacing: -0.5px;
    color: #D1D5DB;
    margin-bottom: 60px;
}

.zirve-hero-date {
    padding: 12px 24px;
    gap: 10px;
    margin: 0 auto;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 9999px;
    font-style: normal;
    font-weight: 500;
    font-size: 16px;
    line-height: 20px;
    text-align: center;
    letter-spacing: -0.5px;
    color: #0091FF;
    margin-bottom: 8px;
}

.zirve-hero-section .link-button {
    /* banner_button */
    /* Auto layout */
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 16px 36px;
    gap: 14px;
    height: 60px;
    margin-top: 20px;
    font-style: normal;
    font-weight: 600;
    font-size: 18px;
    line-height: 22px;
    /* identical to box height, or 122% */
    text-align: center;
    letter-spacing: -0.5px;
    color: #FFFFFF;
    cursor:default;
    background: linear-gradient(93.71deg, rgba(0, 219, 255, 0.15) 0%, rgba(183, 0, 255, 0.15) 100.11%);
    box-shadow: 0px 0px 64px #010E24;
    border-radius: 48px;





}

/*    .zirve-hero-section .link-button:hover {
        background: rgba(0, 128, 255, 0.5);
        box-shadow: 0px 0px 250px #298DF0, 0px 0px 143.482px #298DF0, 0px 0px 40.995px #298DF0;
    }*/

.zirve-hero-map {
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 22px;
    letter-spacing: -0.5px;
    color: #8FCEF8;
    margin-bottom: 130px;
}


/* Section Styles - White Background */
.zirve-section-title {
    position: relative;
    font-style: normal;
    font-weight: 600;
    font-size: 48px;
    line-height: 48px;
    /* identical to box height, or 100% */
    text-align: center;
    letter-spacing: -0.5px;
    color: #0F172A;
    margin-bottom: 70px;
}

    .zirve-section-title::after {
        content: "";
        position: absolute;
        display: block;
        width: 96px;
        height: 4px;
        background: #3B82F6;
        border-radius: 0px;
        left: 50%;
        transform: translateX(-50%);
        bottom: -22px;
    }

.zirve-section-subtitle {
    font-style: normal;
    font-weight: 400;
    font-size: 20px;
    line-height: 28px;
    /* identical to box height, or 140% */
    text-align: center;
    letter-spacing: -0.5px;
    color: #4B5563;
}

.zirve-section-text {
    font-style: normal;
    font-weight: 400;
    font-size: 18px;
    line-height: 30px;
    /* or 167% */
    letter-spacing: -0.5px;
    color: #374151;
    margin-bottom: 17.5px;
    padding-right: 10px;
}

    .zirve-section-text:first-child {
        margin-top: 12px;
    }
/* About Section - White Background */
.zirve-about-section {
    padding: 128px 0;
    background: #ffffff;
}

.zirve-stats-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.zirve-stat-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: linear-gradient(135deg, #0A2463 0%, #3E92CC 70.71%);
    box-shadow: 0px 8px 10px rgba(0, 0, 0, 0.1), 0px 20px 25px rgba(0, 0, 0, 0.1);
    border-radius: 16px;
    height: 156px;
    padding: 40px 32px;
}

    .zirve-stat-card:nth-child(2) {
        background: linear-gradient(135deg, #3E92CC 0%, #F26419 70.71%);
    }

    .zirve-stat-card:nth-child(3) {
        background: linear-gradient(135deg, #F26419 0%, #0A2463 70.71%);
    }



.zirve-stat-icon {
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

    .zirve-stat-icon svg {
        color: white;
    }


.zirve-stat-content {
    display: flex;
    flex-direction: column;
}

.zirve-stat-number {
    font-style: normal;
    font-weight: 700;
    font-size: 48px;
    line-height: 58px;
    letter-spacing: -0.5px;
    color: #FFFFFF;
}

.zirve-stat-label {
    font-style: normal;
    font-weight: 400;
    font-size: 18px;
    line-height: 22px;
    /* identical to box height, or 122% */
    letter-spacing: -0.5px;
    color: #FFFFFF;
}

/* Speakers Section - White Background */
.zirve-speakers-section, .zirve-program-section {
    padding: 80px 0 !important;
    background: #F9FAFB;
}

.zirve-speaker-card {
    text-align: center;
    padding: 40px 20px;
    background: #FFFFFF;
    box-shadow: 0px 10px 15px rgba(0, 0, 0, 0.1);
    border-radius: 16px;
}

    .zirve-speaker-card:hover img {
        filter: grayscale(0%);
    }

.zirve-speaker-avatar {
    width: 128px;
    height: 128px;
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 70.71%);
    border-radius: 9999px;
    margin: 0 auto;
    margin-bottom: 24px
}

    .zirve-speaker-avatar img {
        filter: grayscale(100%);
        transition: filter 0.4s ease;
    }

.zirve-speaker-name {
    font-style: normal;
    font-weight: 700;
    font-size: 22px;
    line-height: 28px;
    text-align: center;
    letter-spacing: -0.5px;
    color: #0F172A;
    margin-bottom: 14px;
    opacity: 0.8;
}

.zirve-speaker-title {
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 22px;
    /* identical to box height, or 143% */
    text-align: center;
    letter-spacing: -0.5px;
    color: #4B5563;
    opacity: 0.8;
}

.zirve-speaker-jd.first {
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 19px;
    text-align: center;
    letter-spacing: -0.5px;
    color: #4B5563;
    opacity: 0.8;
}

.zirve-speaker-jd {
    font-style: normal;
    font-weight: 500;
    font-size: 18px;
    line-height: 25px;
    /* identical to box height */
    text-align: center;
    letter-spacing: -0.5px;
    color: #2D3745;
    opacity: 0.8;
}

/* Program Section - White Background */
.zirve-program-section {
    padding: 128px 0;
    background: #ffffff;
}

.zirve-program-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.zirve-program-item {
    display: flex;
    gap: 21px;
    padding: 25px 0;
}

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

.zirve-program-time {
    flex-shrink: 0;
    font-style: normal;
    font-weight: 700;
    font-size: 18px;
    line-height: 28px;
    /* or 122% */
    display: flex;
    text-align: right;
    letter-spacing: -0.5px;
    color: #3B82F6;
}

.zirve-program-dot {
    width: 16px;
    height: 16px;
    left: 0px;
    top: calc(50% - 16px/2);
    background: #3B82F6;
    border-radius: 9999px;
    line-height: 28px;
    margin-top: 6px;
}

.zirve-program-content h4 {
    font-style: normal;
    font-weight: 700;
    font-size: 20px;
    line-height: 28px;
    /* identical to box height, or 140% */
    display: flex;
    align-items: center;
    letter-spacing: -0.5px;
    color: #0F172A;
    margin-bottom: 8px;
}

.zirve-program-content p {
    font-style: normal;
    font-weight: 500;
    font-size: 16px;
    line-height: 24px;
    /* identical to box height, or 150% */
    display: flex;
    align-items: center;
    letter-spacing: -0.5px;
    color: #4B5563;
}

/* Sponsors Section - White Background */
.zirve-sponsors-section {
    padding: 128px 0;
    background: #F9FAFB;
}

.zirve-sponsors-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 32px;
}

.zirve-sponsor-placeholder {
    background: #FFFFFF;
    box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.1), 0px 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: 55px 60px;
    text-align: center;
    font-style: normal;
    font-weight: 500;
    font-size: 14px;
    line-height: 20px;
    /* identical to box height, or 143% */
    text-align: center;
    letter-spacing: -0.5px;
    color: #9CA3AF;
}

.zirve-sponsor-link {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-size: 16px;
    line-height: 20px;
    /* identical to box height, or 125% */
    text-align: center;
    letter-spacing: -0.5px;
    color: #3B82F6;
    display: inline;
    text-align: center;
}

    .zirve-sponsor-link img {
        display: inline;
        position: relative;
        top: 3px;
        left: 4px;
    }



/* Registration Section - Dark Background */
.zirve-registration-section {
    padding: 128px 0;
    background: linear-gradient(135deg, #020617 0%, #0F172A 35.36%, #0F172A 70.71%);
}

.zirve-registration-wrapper {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0px 25px 50px rgba(0, 0, 0, 0.25);
    border-radius: 16px;
}

.zirve-registration-form-wrapper {
    padding: 50px;
}

.zirve-form-title {
    font-style: normal;
    font-weight: 600;
    font-size: 48px;
    line-height: 48px;
    /* identical to box height, or 100% */
    text-align: center;
    letter-spacing: -0.5px;
    color: #FFFFFF;
}

.zirve-form-label {
    font-style: normal;
    font-weight: 500;
    font-size: 14px;
    line-height: 17px;
    /* identical to box height, or 121% */
    letter-spacing: -0.5px;
    color: #FFFFFF;
}

.input-group > *:not(:last-child) {
    margin-bottom: 10px;
}

.zirve-form-control {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 24px;
    /* or 150% */
    display: flex;
    align-items: center;
    letter-spacing: -0.5px;
    color: #0F172A;
    padding: 16px;
    height: 50px;
    color: #0F172A;
}

    .zirve-form-control::placeholder {
        color: #0F172A;
    }

    .zirve-form-control.error-input {
        border-color: #e74c3c;
    }

.zirve-registration-form-wrapper .select2-container--default .select2-selection--single {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    height: 50px;
    padding: 12px 16px;
}

    .zirve-registration-form-wrapper .select2-container--default .select2-selection--single .select2-selection__rendered {
        color: #0F172A;
        font-size: 16px;
        font-weight: 400;
        line-height: 24px;
        letter-spacing: -0.5px;
        padding: 0;
    }

    .zirve-registration-form-wrapper .select2-container--default .select2-selection--single .select2-selection__arrow {
        height: 48px;
        right: 10px;
    }

    .zirve-registration-form-wrapper .select2-container--default .select2-selection--single .select2-selection__placeholder {
        color: #0F172A;
    }

.zirve-registration-form-wrapper .link-button {
    /* button */

    width: 100%;
    height: 60px;
    background: #3B82F6;
    box-shadow: 0px 8px 10px rgba(0, 0, 0, 0.1), 0px 20px 25px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    /* Inside auto layout */
    flex: none;
    order: 2;
    align-self: stretch;
    flex-grow: 0;
    font-style: normal;
    font-weight: 700;
    font-size: 18px;
    line-height: 36px;
    /* identical to box height, or 122% */
    text-align: center;
    letter-spacing: -0.5px;
    color: #FFFFFF;
}

.zirve-form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.zirve-form-check-input {
    width: 18px;
    height: 18px;
    margin-top: 3px;
    flex-shrink: 0;
    accent-color: var(--zirve-primary);
}

.zirve-form-check-label {
    font-family: 'Poppins';
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 21px;
    color: #ABABAB;
}

    .zirve-form-check-label a {
        color: #00A9FF;
        text-decoration: underline;
    }


/**********************************************************/
/* Orijinal checkbox'ı gizle ama erişilebilirlik için DOM'da tut */
.zirve-form-check-input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

/* Checkbox'ın dış kapsayıcısı (isteğe bağlı hizalama için) */
.zirve-form-check {
    position: relative;
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    cursor: pointer;
}

/* Label'ın soluna ikon için yer aç */
.zirve-form-check-label {
    position: relative;
    padding-left: 26px; /* İkon genişliği + boşluk */
    cursor: pointer;
    display: inline-block;
    line-height: 20px;
}

    /* Custom İkonun Temel Hali (Unchecked) */
    .zirve-form-check-label::before {
        content: "";
        position: absolute;
        left: 0;
        top: 0;
        width: 22px; /* İkonun genişliği */
        height: 22px; /* İkonun yüksekliği */
        background-image: url('../images/zirve-icon/not-checked.svg');
        background-size: contain;
        background-repeat: no-repeat;
        transition: background-image 0.2s ease;
    }

/* Checked Durumu (İkon Değişimi) */
.zirve-form-check-input:checked + .zirve-form-check-label::before {
    background-image: url('../images/zirve-icon/checked.svg');
}


/**********************************************************/

/* Error styling */
.zirve-registration-form-wrapper .input-group {
    display: flex;
    flex-direction: column;
}

.zirve-registration-form-wrapper .error {
    color: #e74c3c;
    font-size: 0.85rem;
}

/* Registration Info Panel */
.zirve-registration-info-wrapper {
    padding: 3rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(63, 177, 229, 0.1) 0%, rgba(26, 115, 167, 0.1) 100%);
}

.zirve-success-panel {
    padding: 50px;
}

.zirve-info-panel,
.zirve-success-panel {
    text-align: center;
}

.zirve-info-icon,
.zirve-success-icon {
    margin-bottom: 18px;
}

    .zirve-info-icon svg,
    .zirve-success-icon svg {
        color: var(--zirve-primary);
    }

.zirve-info-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.zirve-info-item {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

    .zirve-info-item strong {
        color: #ffffff;
    }

/* Success Panel */
.zirve-success-title {
    font-style: normal;
    font-weight: 700;
    font-size: 31px;
    line-height: 48px;
    /* identical to box height, or 155% */
    text-align: center;
    letter-spacing: -0.5px;
    color: #FFFFFF;
    margin-bottom: 36px;
}

.zirve-success-subtitle {
    font-style: normal;
    font-weight: 400;
    font-size: 18px;
    line-height: 30px;
    /* identical to box height, or 167% */
    text-align: center;
    letter-spacing: -0.5px;
    color: #90A5BA;
}

.zirve-success-name {
    font-style: normal;
    font-weight: 700;
    font-size: 18px;
    line-height: 30px;
    /* identical to box height, or 167% */
    letter-spacing: -0.5px;
    color: #0090FF;
    margin-bottom: 30px;
}

.zirve-success-message {
    font-style: normal;
    font-weight: 400;
    font-size: 18px;
    line-height: 25px;
    text-align: center;
    letter-spacing: -0.5px;
    color: #90A5BA;
    margin-bottom: 36px;
}

.zirve-event-info-box {
    display: flex; /* İkon ve detayları yan yana getirir */
    align-items: center;
    padding: 16px;
    gap: 10px;
    margin: 0 auto;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 20px;
    margin-bottom: 36px;
}

.zirve-hr {
    /* Line 1 */

    margin: 0 auto;
    width: 480px;
    height: 0px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    /* Inside auto layout */
    flex: none;
    order: 3;
    flex-grow: 0;
    margin-bottom: 36px;
}

.zirve-event-icon svg {
    color: var(--zirve-primary);
}

.zirve-event-details {
    display: flex;
    flex-direction: column;
}

    .zirve-event-details strong {
        text-align: left;
        font-style: normal;
        font-weight: 600;
        font-size: 18px;
        line-height: 25px;
        /* identical to box height */
        letter-spacing: -0.5px;
        color: #86C7FF;
    }

    .zirve-event-details span {
        font-style: normal;
        font-weight: 400;
        font-size: 16px;
        line-height: 22px;
        /* identical to box height */
        letter-spacing: -0.5px;
        color: #86C7FF;
    }

.zirve-new-registration-text {
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 22px;
    /* identical to box height */
    text-align: center;
    letter-spacing: -0.5px;
    color: rgba(144, 165, 186, 0.8);
    margin-bottom: 36px;
}

.zirve-success-panel .link-button-white {
    font-style: normal;
    font-weight: 700;
    font-size: 18px;
    line-height: 22px;
    /* identical to box height, or 122% */
    text-align: center;
    letter-spacing: -0.5px;
    border: none;
    color: #0090FF;
    cursor: pointer;
}
/* Responsive */
@media (max-width: 991px) {
    .zirve-subnav-list {
        gap: 1rem;
        flex-wrap: wrap;
    }

    .holder-card h2 {
        line-height: 46px !important;
    }

    .zirve-hero-title {
        font-size: 2.5rem;
    }

    .zirve-hero-subtitle {
        font-size: 1.2rem;
    }

    .zirve-section-title {
        font-size: 2rem;
    }

    .zirve-program-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .zirve-program-time {
        width: auto;
    }

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

    .zirve-registration-form-wrapper,
    .zirve-registration-info-wrapper {
        padding: 2rem;
    }
}

@media (max-width: 767px) {
    .zirve-subnav {
        display: none;
    }

    .zirve-hero-section {
        padding-top: 100px;
    }

    .zirve-hero-title {
        font-size: 2rem;
        letter-spacing: 0.05em;
    }

    .zirve-hero-subtitle {
        font-size: 1rem;
    }

    .zirve-about-section,
    .zirve-speakers-section,
    .zirve-program-section,
    .zirve-sponsors-section,
    .zirve-registration-section {
        padding: 128px 0;
    }

    .zirve-section-title {
        font-size: 1.75rem;
    }

    .zirve-stats-grid {
        margin-top: 2rem;
    }

    .zirve-stat-card {
        padding: 1rem;
    }

    .zirve-stat-icon {
        width: 50px;
        height: 50px;
    }

    .zirve-stat-number {
        font-size: 1.5rem;
    }

    .zirve-sponsors-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .zirve-sponsor-placeholder {
        padding: 2rem 1rem;
    }

    .zirve-registration-wrapper .row {
        flex-direction: column-reverse;
    }

    .zirve-registration-info-wrapper {
        padding: 2rem;
        min-height: auto;
    }

    .zirve-info-panel,
    .zirve-success-panel {
        padding: 20px 12px;
    }
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Bootstrap'in tüm container genişlik dayatmalarını iptal et */
.container,
.container-sm,
.container-md,
.container-lg,
.container-xl,
.container-xxl {
    max-width: 1705px !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    /* Eğer padding (kenar boşluğu) de bozuyorsa alt satırı da ekle: */
    /* padding-right: 0 !important; */
    /* padding-left: 0 !important; */
}

@media screen and (max-width: 1700px) {
    .container {
        max-width: 1550px !important;
    }
}

@media screen and (max-width: 1600px) {
    .container {
        max-width: 1280px !important;
    }
}

@media screen and (min-width: 992px) and (max-width: 1366px) {
    .stock-bar > .container {
        max-width: 100% !important;
    }
}

.zirve-speakers-section {
    width: 100%;
    background-color: #F9FAFB;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zirve-program-section {
    width: 100%;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.holder-card {
    width: 100%;
    max-width: 700px;
    padding: 83px 40px;
    background-color: #ffffff;
    border-radius: 26px;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1), 0px 10px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
    text-align: center;
}

    /* icon */
    .holder-card img {
        width: 80px;
        height: 80px;
        opacity: 0.7;
    }

    /* başlık */
    .holder-card h2 {
        font-size: 38px;
        font-weight: 600;
        color: #0F172A;
        margin: 0px;
        position: relative;
        letter-spacing: -0.5px;
        line-height: 28px;
    }

.icon-box {
    position: relative;
    margin-bottom: 0px;
    text-align: center;
}

    /* icon */
    .icon-box img {
        width: 80px;
        height: 80px;
        opacity: 1;
        margin: 0 auto;
    }

    /* çizgi (ikonun altında) */
    .icon-box::after {
        content: "";
        display: block;
        height: 4px;
        background-color: #3b82f6;
        margin: 30px auto 0;
        border-radius: 0px;
        width: 96px;
    }


/* açıklama */
.holder-card .desc {
    font-style: normal;
    font-weight: 400;
    font-size: 20px;
    line-height: 20px;
    /* identical to box height, or 100% */
    text-align: center;
    letter-spacing: -0.5px;
    color: #4B5563;
}

/* çok yakında */
.holder-card .soon {
    font-style: normal;
    font-weight: 600;
    font-size: 18px;
    line-height: 16px;
    /* identical to box height, or 89% */
    text-align: center;
    letter-spacing: -0.5px;
    color: #3B82F6;
}


.info-list {
    list-style-type: disc;
    padding-left: 30px;
    margin: 10px 0;
    color: #374151;
    margin-bottom: 0px;
}

    .info-list li {
        font-size: 18px;
        margin-bottom: 10px;
        line-height: 30px;
        color: #374151
    }

        .info-list li:last-child {
            margin-bottom: 0px !important;
        }

.zirve-section-text-bold {
    font-weight: 600;
    font-size: 18px;
    line-height: 30px;
    letter-spacing: -0.5px;
    color: #374151;
}

/**/

  /* Genel Reset ve Container */
            .program-section {
                background: white;
                padding: 60px 20px;
            }

            .program-container {
                max-width: 1280px;
                margin: 0 auto;
            }

            /* Başlık Alanı */
            .program-header {
                position: relative;
                width: 100%;
                text-align: center;
                margin-bottom: 72px;
            }

            .program-title {
                font-weight: 600;
                font-size: 48px;
                line-height: 48px;
                color: #0f172a;
                letter-spacing: -0.5px;
                margin: 0 0 16px 0;
            }

            .program-underline {
                width: 96px;
                height: 4px;
                background: #3b82f6;
                margin: 0 auto;
            }



            /* Salon Rozeti */
            .room-badge {
                position: absolute;
                left: 0;
                top: 0;
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 12px;
                padding: 12px 24px;
                background: #f0efea;
                border-radius: 9999px;
                box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.05);
            }

            .room-badge-icon {
                width: 18px;
                height: 18px;
                flex-shrink: 0;
            }

                .room-badge-icon.education {
                    width: 22.5px;
                }

            .room-badge-text {
                font-size: 18px;
                line-height: 28px;
                color: #1a1a1a;
                letter-spacing: -0.5px;
                white-space: nowrap;
            }

            /* Program İçerik Alanı */
            .program-content {
                padding-top: 44px;
                max-width: 940px;
    margin: 0 auto;
            }

            /* Zaman Dilimi Başlığı */
            .time-section-header {
                display: flex;
                align-items: center;
                gap: 16px;
                height: 18px;
                margin-bottom: 24px;
            }

            .time-section-label {
                font-size: 14px;
                line-height: 16px;
                color: #7b7b7b;
                letter-spacing: 1.3px;
                white-space: nowrap;
            }

            .time-section-divider {
                flex: 1;
                height: 1px;
                background: #e5e5e5;
            }

            /* Program Listesi */
            .schedule-list {
                display: flex;
                flex-direction: column;
                gap: 10px;
                margin-bottom: 10px;
            }

            /* Program Kartı */
            .schedule-item {
                background: white;
                border: 1px solid #e5e5e5;
                border-radius: 10px;
                box-shadow: 0px 1px 1.5px rgba(0, 0, 0, 0.06);
            }

                .schedule-item.break {
                    background: #f5f5f3;
                }

            .schedule-item-inner {
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 16px;
                gap: 12px;
            }

            .schedule-item-content {
                display: flex;
                align-items: center;
                gap: 12px;
                flex: 1;
            }

            /* Zaman */
            .schedule-time {
                width: 110px;
                flex-shrink: 0;
                font-family: 'Inter', sans-serif;
                font-weight: 400;
                font-size: 14px;
                line-height: 20px;
                color: #7b7b7b;
                letter-spacing: -0.5px;
            }

            /* Başlık */
            .schedule-title {
                flex: 1;
                font-size: 16px;
                line-height: 24px;
                color: #1a1a1a;
                letter-spacing: -0.5px;
            }

                .schedule-title.italic {
                    font-style: italic;
                    color: #7b7b7b;
                }

            /* Etiket/Tag */
            .schedule-tag {
                padding: 4px 12px;
                border-radius: 9999px;
                flex-shrink: 0;
                font-size: 12px;
                line-height: 16px;
                letter-spacing: -0.5px;
                white-space: nowrap;
            }

                .schedule-tag.registration {
                    background: #e1f5ee;
                    color: #0f6e56;
                }

                .schedule-tag.launch {
                    background: #eaf3de;
                    color: #3b6d11;
                }

                .schedule-tag.panel {
                    background: #e6f1fb;
                    color: #185fa5;
                }

                .schedule-tag.keynote {
                    background: #eaf3de;
                    color: #3b6d11;
                }

                .schedule-tag.break {
                    background: #efefed;
                    color: #888;
                }

                .schedule-tag.closing {
                    background: #faece7;
                    color: #993c1d;
                }

                .schedule-tag.education {
                    background: #eeedfe;
                    color: #534ab7;
                }


     /* Responsive */
            @media (max-width: 768px) {
                .program-title

            {
                font-size: 32px;
                line-height: 36px;
            }

            .schedule-item-content {
                flex-direction: column;
                align-items: flex-start;
            }

            .schedule-time {
                width: 100%;
            }

            }
/* İki Kolonlu Düzen - DÜZELTİLMİŞ */
.program-columns {
    display: flex;
    flex-direction: row; /* Direkt yan yana */
    gap: 40px;
    flex-wrap: wrap; /* Küçük ekranlarda alta geçsin */
}

.program-column {
    flex: 1;
    position: relative;
    min-width: 300px; /* Minimum genişlik belirle */
}

/* Mobilde alt alta geçmesi için */
@media (max-width: 768px) {
    .program-columns {
        flex-direction: column;
    }
    
    .program-column {
        min-width: 100%;
    }
}

.col-6, .col-md-4, .col-lg-3 {
  display: flex; /* Sütunları flex yap */
}

.zirve-speaker-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start; /* İçerik yukarıdan başlasın */
  /* height: 100%; opsiyonel: Bootstrap sütunları bazen bunu otomatik yapar */
}

/**/

.room-buttons{
    display:flex;
    gap:15px;
    justify-content:center;
}

.room-btn{
    border:none;
    padding:15px 30px;
    border-radius:50px;
    background:#EAE8E5;
    color:#333;
    cursor:pointer;
    font-size:20px;
    transition:.2s;
}

.room-btn.active{
    background:#14A0FF;
    color:#fff;
}

.room-content{
    display:none;
}

.room-content.active{
    display:block;
}

/* icon */
.room-icon{
    width:20px;
    height:20px;
    object-fit:contain;
}



/* aktif button içindeki icon beyaz */
.room-btn.active .room-icon{
    filter: brightness(0) invert(1);
}

/* yazı + icon hizalama */
.room-btn{
    display:flex;
    align-items:center;
    gap:10px;
}

/**/


/* Container - Flexbox ile responsive */
.user-list-container {
    display: flex;
    flex-wrap: wrap;
    gap: 29px;
    align-items: flex-start;
}

/* Her bir kullanıcı kartı */
.user-item {
    display: flex;
    gap: 8px;
    align-items: center;
    height: 40px;
    min-width: 200px;
    max-width: 300px;
    position: relative;
    isolation: isolate;
}

/* Avatar container */
.user-avatar {
    position: relative;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    z-index: 2;
}

.user-avatar img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    pointer-events: none;
}

/* Kullanıcı bilgileri container */
.user-info {
    display: flex;
    gap: 2px;
    align-items: center;
    position: relative;
    flex-shrink: 0;
    z-index: 1;
}

/* Kullanıcı adı */
.user-name {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 14px;
    line-height: 20px;
    color: #1a1a1a;
    letter-spacing: -0.5px;
    white-space: nowrap;
    word-break: break-word;
    padding: 1px 0 2px 0;
    position: relative;
    z-index: 2;
}

/* Mikrofon ikonu container */
.mic-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 18px;
    flex-shrink: 0;
    padding: 0 1px;
    position: relative;
    z-index: 1;
}

.mic-icon svg {
    display: block;
    width: 13.5px;
    height: 18px;
}

/* Responsive tasarım */
@media screen and (max-width: 768px) {
    .user-list-container {
        gap: 24px;
    }

    .user-item {
        min-width: 180px;
    }
}

@media screen and (max-width: 480px) {
    .user-list-container {
        gap: 16px;
        flex-direction: column;
    }

    .user-item {
        width: 100%;
        max-width: 100%;
    }
}

/* Hover efekti (opsiyonel) */
.user-item:hover {
    cursor: default;
}

/* Dinamik liste için - istediğiniz kadar .user-item ekleyebilirsiniz */
.user-item:nth-child(n+5) {
    /* 5. elemandan sonraki tüm elemanlar da aynı stilde görünecek */
}

.schedule-item-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    gap: 12px;
}

.schedule-item-inner::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 16px;   /* soldan boşluk */
    right: 16px;  /* sağdan boşluk */
    height: 1px;
    background: #F3F3F3;
}
.schedule-item-inner:last-child::after {
    display: none;
}

/*deneyim alanları*/

.dea-section { background-color: #f9fafb; width: 100%; padding: 80px 0 100px; }

.dea-header { text-align: center; margin-bottom: 64px; padding: 0 24px; }
.dea-title { font-family: 'Avenir Next', sans-serif; font-weight: 700; font-size: clamp(28px, 4vw, 48px); color: #0f172a; letter-spacing: -0.5px; line-height: 1.1; margin-bottom: 16px; }
.dea-title-underline { width: 96px; height: 4px; background-color: #3b82f6; margin: 0 auto; border-radius: 2px; }

.dea-hero-wrapper { width: 100%; overflow: hidden; margin-bottom: 60px; }
.dea-hero-image { width: 100%; height: auto; display: block; object-fit: cover; max-height: 508px; }

.dea-grid { max-width: 1108px; margin: 0 auto; padding: 0 24px; display: flex; flex-direction: column; gap: 40px; }
.dea-card-image { width: 100%; height: 200px; background-color: #000; flex-shrink: 0; display: block; object-fit: cover; }
.dea-card-body { background: #fff; padding: 18px; flex: 1; display: flex; flex-direction: column; }
.dea-card-title { font-family: 'Avenir Next', sans-serif; font-weight: 700; font-size: 20px; color: #0f172a; letter-spacing: -0.5px; line-height: 1.25; }

@media (max-width: 900px) { .dea-card { flex: 1 1 calc(50% - 10px); max-width: none; } }
@media (max-width: 600px) {
  .dea-section { padding: 48px 0 64px; }
 
  .dea-grid { gap: 24px; padding: 0 16px; }
  .dea-title-underline { width: 64px; }
}

/* eski .dea-row ve .dea-card kurallarını sil, bunlarla değiştir */

.dea-grid {
  max-width: 1108px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.dea-card {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0px 10px 7.5px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  background: #ffffff;
}

.dea-card-image {
  width: 100%;
  height: 200px;
  background-color: #000000;
  flex-shrink: 0;
  display: block;
  object-fit: cover;
}

.dea-card-body {
  background: #ffffff;
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.dea-card-title {
  font-family: 'Avenir Next', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: #0f172a;
  letter-spacing: -0.5px;
  line-height: 1.25;
}

@media (max-width: 900px) {
  .dea-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .dea-grid {
    grid-template-columns: 1fr;
    padding: 0 16px;
    gap: 16px;
  }
}

.dea-hero-wrapper {
  width: 100%;
  overflow: hidden;
  margin-bottom: 60px;
}

.dea-hero-video {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 508px;
}

.dea-card-video-wrapper {
  position: relative;
  width: 100%;
  height: 200px;
  flex-shrink: 0;
  overflow: hidden;
}

.dea-card-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/*popup*/
.dea-card {
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
}

/* Görselin wrapper alanını kaplaması */
.dea-card-video-wrapper {
    position: relative;
    overflow: hidden;
    background-color: #000;
}

.dea-card-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.dea-card:hover .dea-card-thumb {
    transform: scale(1.05); /* Hover olunca hafif büyüme efekti */
}

/* Video imajı üzerine şık bir oynat ikonu */
.play-button-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.play-button-overlay::after {
    content: '';
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: block;
    position: relative;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 24px;
    transition: transform 0.3s ease;
}

.dea-card:hover .play-button-overlay {
    background: rgba(0, 0, 0, 0.4);
}

.dea-card:hover .play-button-overlay::after {
    transform: scale(1.1);
    background-color: #ff0000; /* Hover durumunda YouTube kırmızısı */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E");
}

/*paneller ve keynote*/
.panels-section {
  background-color: #ffffff;
  padding: 80px 112px;
  width: 100%;
  box-sizing: border-box;
}

.panels-section__header {
  text-align: center;
  margin-bottom: 60px;
}

.panels-section__title {
  font-family: 'Avenir Next', sans-serif;
  font-weight: 600;
  font-size: 48px;
  line-height: 48px;
  letter-spacing: -0.5px;
  color: #0f172a;
  margin: 0 0 16px 0;
}

.panels-section__divider {
  width: 96px;
  height: 4px;
  background-color: #3b82f6;
  margin: 0 auto;
}

.panels-section__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 20px;
}



.panels-card {
  border-radius: 16px;
  overflow: hidden;
  background-color: #ffffff;
  box-shadow: 0px 10px 7.5px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
}

.panels-card__thumbnail {
  width: 100%;
  display: block;
  flex-shrink: 0;
}

.panels-card__body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.panels-card__title {
  font-family: 'Avenir Next', sans-serif;
  font-weight: 700;
  font-size: 20px;
  line-height: 25px;
  letter-spacing: -0.5px;
  color: #0f172a;
  margin: 0;
}

.panels-card__speakers {
  font-family: 'Avenir Next', sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 20px;
  letter-spacing: -0.5px;
  color: #6b7280;
  margin: 0;
}

/* Responsive */

@media (max-width: 1024px) {
  .panels-section {
    padding: 60px 40px;
  }

  .panels-card {
    flex: 1 1 calc(50% - 10px);
  }
}

@media (max-width: 640px) {
  .panels-section {
    padding: 40px 20px;
  }

  .panels-section__title {
    font-size: 32px;
    line-height: 38px;
  }

  .panels-card {
    flex: 1 1 100%;
  }
}

/**/
@media (max-width: 1024px) {
  .panels-section {
    padding: 60px 40px;
  }


}

@media (max-width: 640px) {
  .panels-section {
    padding: 40px 20px;
  }

  .panels-section__title {
    font-size: 32px;
    line-height: 38px;
  }


}
@media (max-width: 1024px) {
  .panels-section__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .panels-section__grid {
    grid-template-columns: 1fr;
  }
}

/* ───── Basında Biz Section ───── */

.basin-section {
  background-color: #ffffff;
  padding: 80px 112px;
  box-sizing: border-box;
  width: 100%;
}

.basin-header {
  text-align: center;
  margin-bottom: 48px;
}

.basin-title {
  font-family: 'Avenir Next', sans-serif;
  font-weight: 600;
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.5px;
  color: #0f172a;
  margin: 0 0 16px 0;
}

.basin-title-underline {
  width: 96px;
  height: 4px;
  background-color: #3b82f6;
  margin: 0 auto;
}

/* Grid: tek bir grid, auto-fill ile 3→2→1 sütun */
.basin-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Card */
.basin-card {
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0px 10px 7.5px rgba(0, 0, 0, 0.1);
  background-color: #ffffff;
}

/* Resim alanı */
.basin-card-image {
  width: 100%;
  overflow: hidden;
  background-color: #000000;
  flex-shrink: 0;
}

.basin-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}

/* İçerik alanı */
.basin-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.basin-card-source {
  font-family: 'Avenir Next', sans-serif;
  font-weight: 700;
  font-size: 20px;
  line-height: 25px;
  letter-spacing: -0.5px;
  color: #0f172a;
  margin: 0;
}

.basin-card-desc {
  font-family: 'Avenir Next', sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 20px;
  letter-spacing: -0.5px;
  color: #6b7280;
  margin: 0;
  min-height:40px;
}

.basin-card-link {
  font-family: 'Avenir Next', sans-serif;
  font-weight: 400;
  font-size: 14px;
  line-height: 20px;
  letter-spacing: -0.5px;
  color: #6b7280;
  text-decoration: none;
  cursor: pointer;
  display: block;
}

.basin-card-link:hover {
  text-decoration: underline;
}

/* ───── Responsive ───── */

/* Tablet: 2 sütun */
@media (max-width: 1024px) {
  .basin-section {
    padding: 60px 40px;
  }

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

/* Mobil: 1 sütun */
@media (max-width: 640px) {
  .basin-section {
    padding: 48px 20px;
  }

  .basin-title {
    font-size: 32px;
  }

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

/*tab*/
    .mtrx-tab-wrapper {
      display: flex;
      gap: 14px;
      justify-content: center;
      align-items: center;
      padding: 20px;
      font-family: sans-serif;
    }

    .mtrx-tab-btn {
      padding: 12px 24px;
      border-radius: 9999px;
      border: none;
      cursor: pointer;
      font-size: 18px;
      line-height: 28px;
      letter-spacing: -0.5px;
      background-color: #f0efea;
      color: #1a1a1a;
      box-shadow: 0px 1px 1px rgba(0,0,0,0.05);
      transition: background-color 0.2s, color 0.2s;
    }

    .mtrx-tab-btn.mtrx-active {
      background-color: #14a0ff;
      color: #ffffff;
    }

    .mtrx-tab-panels {
      padding: 0 20px;
    }

    .mtrx-tab-panel {
      display: none;
      min-height: 120px;
      background: #f9fafb;
      border-radius: 12px;
      padding: 24px;
    }

    .mtrx-tab-panel.mtrx-active {
      display: block;
    }

    /* ===== DENEYIM ALANLARI SECTION ===== */

.da-section {
  position: relative;
  width: 100%;
  background-color: #000a29;
  overflow: hidden;
  padding-bottom: 80px;
    background-image: url('../images/zirve-icon/dea-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.da-bg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 27, 235, 0.8);
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 0;
}


.da-gradient-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 338px;
  background: linear-gradient(to bottom, rgba(0, 10, 41, 0), #000a29);
  pointer-events: none;
  z-index: 1;
}

.da-gradient-top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 218px;
  background: linear-gradient(to top, rgba(0, 10, 41, 0), #000a29);
  pointer-events: none;
  z-index: 1;
}

.da-inner {
  position: relative;
  z-index: 2;
  max-width: 1216px;
  margin: 0 auto;
  padding: 60px 16px 0;
}

/* --- Başlık --- */
.da-header {
  text-align: center;
  margin-bottom: 48px;
}

.da-title {
  font-family: 'Avenir Next', 'Segoe UI', sans-serif;
  font-weight: 600;
  font-size: 48px;
  line-height: 1;
  color: #ffffff;
  letter-spacing: -0.5px;
  margin: 0 0 16px;
}

.da-title-bar {
  width: 96px;
  height: 4px;
  background-color: #3b82f6;
  margin: 0 auto;
}

/* --- Menü Kabı --- */
.da-menu {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 36px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 936px;
  margin: 0 auto 48px;
  margin-bottom:0px;
    /* mevcut özelliklerine ek olarak: */
  border: 1px solid rgba(0, 152, 255, 0.35);
  box-shadow:
    0 0 12px rgba(0, 152, 255, 0.2),
    inset 0 0 12px rgba(0, 152, 255, 0.08);
}

/* --- Ana Tablar (Katman 1) --- */
.da-tabs-primary {
  display: flex;
  align-items: center;
  height: 48px;
  width: 100%;
  gap: 0;
}

.da-tab-primary {
  flex: 1 0 0;
  min-width: 0;
  height: 100%;
  border: none;
  background: transparent;
  border-radius: 9999px;
  cursor: pointer;
  padding: 6px 18px;
  font-family: 'Avenir Next', 'Segoe UI', sans-serif;
  font-weight: 600;
  font-size: 18px;
  line-height: 28px;
  letter-spacing: -0.5px;
  color: #bce4ff;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.da-tab-primary:hover {
  color: #ffffff;
}

.da-tab-primary--active {
  background: rgba(0, 152, 255, 0.2);
  color: #ffffff;
   border: 1px solid rgba(0, 152, 255, 0.35);
}

/* --- Alt Tablar Wrapper --- */
.da-tabs-secondary-wrapper {
  position: relative;
  height: 48px;
  width: 100%;
}

/* --- Alt Tablar (Katman 2) --- */
.da-tabs-secondary {
  display: flex;
  align-items: center;
  height: 48px;
  width: 100%;
  gap: 0;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 1;
  transition: opacity 0.2s;
}

.da-tabs-secondary--hidden {
  opacity: 0;
  pointer-events: none;
  display:none;
}

.da-tab-secondary {
  flex: 1 0 0;
  min-width: 0;
  height: 100%;
  border: none;
  background: transparent;
  border-radius: 9999px;
  cursor: pointer;
  padding: 4px 20px;
  font-family: 'Avenir Next', 'Segoe UI', sans-serif;
  font-weight: 500;
  font-size: 16px;
  line-height: 28px;
  letter-spacing: -0.5px;
  color: #539ccd;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}

.da-tab-secondary:hover {
  color: #bce4ff;
}

.da-tab-secondary--active {
  background: rgba(0, 152, 255, 0.08);
  color: #bce4ff;

  border: 1px solid #00488C;
background: rgba(0, 152, 255, 0.08);
border-radius: 9999px;


}

/* --- İçerik Panelleri --- */
.da-content-area {
  position: relative;
  min-height: 420px;
}

.da-panel {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 40px;
  padding-top: 20px;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.da-panel--active {
  display: flex;
  position: relative;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* --- Panel: Sol Metin --- */
.da-panel-text {
  flex: 0 0 auto;
  max-width: 560px;  
  padding-top: 0px;
}

.da-panel-title {
  font-family: 'Avenir Next', 'Segoe UI', sans-serif;
  font-weight: 600;
  font-size: 34px;
  color: #d5eeff;
  letter-spacing: -0.5px;
  margin: 0 0 10px;
}

.da-panel-desc {
  font-family: 'Avenir Next', 'Segoe UI', sans-serif;
  font-weight: 400;
  font-size: 18px;
  color: #d5eeff;
  letter-spacing: -0.5px;
  line-height: 1.55;
  margin: 0;
}

/* --- Panel: Sağ Medya --- */
.da-panel-media {
  flex: 1;
  position: relative;
  min-height: 380px;
}



.da-panel-product-img {
  
  padding-left:30px;
  padding-top:120px;
  top: 0;
  width:100%;
}

/* --- Responsive --- */
@media (max-width: 1100px) {
  .da-inner {
    padding-left: 24px;
    padding-right: 24px;
  }
  .da-panel-text {
    padding-left: 0;
  }
  .da-panel-media {
    min-height: 300px;
  }
  .da-panel-video {
    width: 100%;
    max-width: 480px;
  }
  .da-panel-product-img {
    right: 0;
    width: 100%;
    max-width:110%;
  }
}

@media (max-width: 860px) {
  .da-menu {
    max-width: 100%;
  }
  .da-tabs-primary,
  .da-tabs-secondary {
    flex-wrap: wrap;
    height: auto;
    gap: 6px;
  }
  .da-tabs-secondary-wrapper {
    height: auto;
  }
  .da-tabs-secondary {
    position: relative;
  }
  .da-tab-primary,
  .da-tab-secondary {
    flex: 0 0 auto;
  }
  .da-panel--active {
    flex-direction: column;
  }
  .da-panel-text {
    padding-left: 0;
    max-width: 100%;
  }
  .da-panel-media {
    width: 100%;
    min-height: 280px;
  }
  .da-panel-video {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100%;
    height: 220px;
  }
  
  .da-title {
    font-size: 32px;
  }
}

@media (max-width: 480px) {
  .da-title {
    font-size: 26px;
  }
  .da-tab-primary {
    font-size: 14px;
    padding: 5px 10px;
  }
  .da-tab-secondary {
    font-size: 13px;
    padding: 4px 10px;
  }
}

.da-panel--active {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0;
}

.da-panel-left {
  flex: 0 0 560px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-left: 140px;
  padding-top: 30px;
}

.da-panel-right {
  flex: 1;
  position: relative;
  min-height: 420px;
}

.da-panel-video {
  width: 533px;
  height: 300px;
  background: #000;
  border-radius: 34px;
  box-shadow:
    0 0 188px rgba(5,96,153,0.5),
    0 0 107px rgba(5,96,153,0.5),
    0 0 62px  rgba(5,96,153,0.5),
    0 0 31px  rgba(5,96,153,0.5),
    0 0 9px   rgba(5,96,153,0.5),
    0 0 4px   rgba(5,96,153,0.5);
  overflow: hidden;
  transform: translateZ(0);
  /* position: absolute kaldırıldı, artık flow içinde */
}

.da-panel-video iframe {
  display: block;
  transform: translateZ(0);
  backface-visibility: hidden;
}

.da-panel-video--repaint iframe {
  transform: translate3d(0, 0, 0);
}

.da-panel-product-img {
width:110%;
}



@media (max-width: 1024px) {
  .da-panel--active {
    flex-direction: column;
  }

  .da-panel-left {
    flex: 0 0 auto;
    width: 100%;
    padding-left: 0;
  }

  .da-panel-video {
    width: 100%;
    max-width: 533px;
    height: 260px;
  }

  .da-panel-right {
    width: 100%;
    min-height: 320px;
  }

  .da-panel-product-img {
    position: relative;
    right: auto;
    top: auto;
    width: 100%;
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .da-panel-video {
    height: 200px;
  }

  .da-panel-product-img {
  width:100%;
  }
}

.da-panel-product-img img{
    width:110%;
}

.zirve-hero-section {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9; /* Videonun oranına göre büyür/küçülür */
    max-height: 720px;    /* KESİN ÇÖZÜM: 720px'i asla geçmez */
    height: auto !important;
    min-height: auto !important;
    overflow: hidden;
}

.zirve-bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    object-fit: cover; /* 720px sınırına gelindiğinde videonun esnemesini/bozulmasını önler */
    object-position: top center; /* Üst kısmın kesilmesini engeller */
    pointer-events: none;
}