/* REUSE-CHECK: bu bölümün stilleri CSS dosyalarında aranıldı — YOK; newsletter.js addStyles() ile JS'ten
   <style id="hp-newsletter-styles"> olarak basılıyordu. Kurallar AYNEN buraya taşındı (K2.0 Z3: sunucuda çizilen bölüm JS gelmeden
   stilli olsun diye). Sayfa bu dosyayı <head>'in sonunda yükler — bugünkü <style> konumu, ortak sınıflarda kazanan değişmez. */
            /* MODERN CLEAN DESIGN - Consistent with other sections */
            .hp-newsletter {
                background: var(--surface-color, #f8f9fa);
                padding: 120px 0;
                position: relative;
            }

            .hp-newsletter__hero {
                text-align: center;
                margin-bottom: 80px;
                position: relative;
                background: var(--surface-color, #f8f9fa);
                border-radius: var(--radius-lg, 20px);
                overflow: hidden;
                min-height: 400px;
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .hp-newsletter__hero-bg {
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                z-index: 1;
            }

            .hp-newsletter__hero-bg img {
                width: 100%;
                height: 100%;
                object-fit: cover;
            }

            .hp-newsletter__hero-overlay {
                position: absolute;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.4) 100%);
                z-index: 2;
            }

            .hp-newsletter__hero-content {
                position: relative;
                z-index: 3;
                color: white;
                padding: 40px;
            }

            .hp-newsletter__title {
                font-size: 3rem;
                font-weight: 700;
                color: white;
                margin-bottom: 20px;
                font-family: var(--font-heading, 'Playfair Display', serif);
                text-shadow: 0 2px 4px rgba(0,0,0,0.3);
            }

            .hp-newsletter__subtitle {
                font-size: 1.3rem;
                color: rgba(255,255,255,0.9);
                max-width: 600px;
                margin: 0 auto;
                line-height: 1.6;
            }

            .hp-newsletter__content {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 80px;
                align-items: flex-start;
                position: relative;
                z-index: 2;
            }

            .hp-newsletter__text-section {
                color: var(--text-color);
            }

            .hp-newsletter__features {
                display: flex;
                flex-direction: column;
                gap: 25px;
            }

            .hp-newsletter__feature-item {
                display: flex;
                align-items: center;
                gap: 15px;
                background: white;
                padding: 20px;
                border-radius: 15px;
                box-shadow: 0 5px 15px rgba(0,0,0,0.08);
                border: 1px solid var(--border-color);
                transition: all 0.3s ease;
            }

            .hp-newsletter__feature-item:hover {
                transform: translateY(-3px);
                box-shadow: 0 10px 25px rgba(0,0,0,0.12);
            }

            .hp-newsletter__feature-icon {
                width: 50px;
                height: 50px;
                background: var(--primary-light, #e3f2fd);
                border-radius: 50%;
                display: flex;
                align-items: center;
                justify-content: center;
                color: var(--primary-color);
                font-size: 20px;
                flex-shrink: 0;
            }

            .hp-newsletter__feature-content {
                display: flex;
                flex-direction: column;
            }

            .hp-newsletter__feature-title {
                font-weight: 600;
                font-size: 0.95rem;
                margin-bottom: 3px;
                color: var(--text-color);
            }

            .hp-newsletter__feature-detail {
                font-size: 0.85rem;
                color: var(--text-muted);
            }

            .hp-newsletter__form-section {
                background: white;
                padding: 40px;
                border-radius: var(--radius-lg, 20px);
                box-shadow: 0 10px 30px rgba(0,0,0,0.1);
                border: 1px solid var(--border-color);
            }

            .hp-newsletter__form-group {
                margin-bottom: 25px;
            }

            .hp-newsletter__label {
                display: block;
                font-weight: 600;
                color: var(--text-color);
                margin-bottom: 10px;
                font-size: 1rem;
            }

            .hp-newsletter__input-wrapper {
                position: relative;
                display: flex;
                align-items: center;
                background: var(--surface-color, #f8f9fa);
                border-radius: 25px;
                border: 2px solid var(--border-color);
                transition: all 0.3s ease;
                overflow: hidden;
            }

            .hp-newsletter__input-wrapper.focused {
                border-color: var(--primary-color);
                box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
            }

            .hp-newsletter__input {
                flex: 1;
                padding: 18px 20px;
                border: none;
                background: transparent;
                font-size: 1rem;
                color: var(--text-color);
                outline: none;
            }

            .hp-newsletter__input::placeholder {
                color: var(--text-muted);
            }

            .hp-newsletter__btn {
                background: var(--primary-color);
                color: white;
                border: none;
                padding: 18px 30px;
                border-radius: 22px;
                margin: 2px;
                font-weight: 600;
                cursor: pointer;
                transition: all 0.3s ease;
                display: flex;
                align-items: center;
                gap: 10px;
                white-space: nowrap;
            }

            .hp-newsletter__btn:hover:not(:disabled) {
                background: var(--primary-dark);
                transform: translateY(-2px);
                box-shadow: 0 10px 20px rgba(25, 118, 210, 0.3);
            }

            .hp-newsletter__btn:disabled {
                opacity: 0.7;
                cursor: not-allowed;
            }

            .hp-newsletter__btn-icon {
                transition: transform 0.3s ease;
            }

            .hp-newsletter__btn:hover .hp-newsletter__btn-icon {
                transform: translateX(2px);
            }

            .hp-newsletter__privacy {
                display: flex;
                align-items: center;
                gap: 8px;
                font-size: 0.85rem;
                color: var(--text-muted);
                line-height: 1.4;
            }

            .hp-newsletter__privacy i {
                color: var(--success-color);
                flex-shrink: 0;
            }

            .hp-newsletter__success {
                text-align: center;
                padding: 20px 0;
            }

            .hp-newsletter__success-icon {
                width: 60px;
                height: 60px;
                background: var(--success-light, #e8f5e8);
                border-radius: 50%;
                display: flex;
                align-items: center;
                justify-content: center;
                margin: 0 auto 20px;
                font-size: 24px;
                color: var(--success-color);
            }

            .hp-newsletter__success-title {
                font-size: 1.3rem;
                font-weight: 700;
                color: var(--text-color);
                margin-bottom: 10px;
            }

            .hp-newsletter__success-text {
                color: var(--text-muted);
                line-height: 1.5;
                margin: 0;
            }

            .hp-newsletter__error {
                background: var(--error-light, #fef2f2);
                color: var(--error-color, #dc2626);
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 0.9rem;
                margin-top: 15px;
                border: 1px solid var(--error-color);
                display: none;
                opacity: 0;
                transition: opacity 0.3s ease;
            }

            .hp-newsletter--empty {
                padding: 60px 0;
            }

            .hp-newsletter__empty-state {
                text-align: center;
                max-width: 400px;
                margin: 0 auto;
            }

            .hp-newsletter__empty-state i {
                font-size: 4rem;
                margin-bottom: 20px;
                opacity: 0.3;
            }

            .hp-newsletter__empty-state h3 {
                font-size: 1.5rem;
                color: var(--text-color);
                margin-bottom: 10px;
            }

            .hp-newsletter__empty-state p {
                color: var(--text-muted);
                margin-bottom: 30px;
            }

            /* RESPONSIVE DESIGN */
            @media (max-width: 992px) {
                .hp-newsletter__content {
                    grid-template-columns: 1fr;
                    gap: 50px;
                    text-align: center;
                }

                .hp-newsletter__features {
                    max-width: 500px;
                    margin: 0 auto;
                }
            }

            @media (max-width: 768px) {
                .hp-newsletter {
                    padding: 80px 0;
                }

                .hp-newsletter__title {
                    font-size: 2.2rem;
                }

                .hp-newsletter__subtitle {
                    font-size: 1.1rem;
                }

                .hp-newsletter__hero {
                    margin-bottom: 60px;
                }

                .hp-newsletter__content {
                    margin-bottom: 60px;
                }

                .hp-newsletter__form-section {
                    padding: 30px 20px;
                }

                .hp-newsletter__input-wrapper {
                    flex-direction: column;
                    gap: 15px;
                    border-radius: 15px;
                    padding: 10px;
                }

                .hp-newsletter__input {
                    border: 2px solid var(--border-color);
                    border-radius: 12px;
                    padding: 15px 18px;
                }

                .hp-newsletter__btn {
                    width: 100%;
                    justify-content: center;
                    margin: 0;
                    border-radius: 12px;
                }
            }

            @media (max-width: 480px) {
                .hp-newsletter__title {
                    font-size: 1.8rem;
                }

                .hp-newsletter__form-section {
                    padding: 25px 15px;
                }

                .hp-newsletter__feature-item {
                    padding: 15px;
                }

                .hp-newsletter__feature-icon {
                    width: 40px;
                    height: 40px;
                    font-size: 16px;
                }
            }