/* DESIGN SYSTEM & GLOBAL VARIABLES */
:root {
    --color-primary: #57C84D;
    --color-primary-hover: #4bb542;
    --color-primary-light: rgba(87, 200, 77, 0.08);
    --color-primary-ring: rgba(87, 200, 77, 0.25);
    --color-dark: #1F2937;
    --color-dark-light: #4B5563;
    --color-bg: #F9FAFB;
    --color-card-bg: #FFFFFF;
    --color-border: #E5E7EB;
    --color-border-hover: #D1D5DB;
    --color-error: #EF4444;
    --color-error-bg: rgba(239, 68, 68, 0.05);
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02);
    --shadow-md: 0 8px 20px -4px rgba(31, 41, 55, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(31, 41, 55, 0.1), 0 10px 10px -5px rgba(31, 41, 55, 0.04);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    
    --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* RESET & BASE STYLES */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-dark);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    padding-top: 80px; /* offset for fixed header */
}

/* HEADER STYLE (Matches landing page) */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
    transition: all var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 30px;
    width: auto;
    object-fit: contain;
    transition: height var(--transition-normal);
}

.app-header.scrolled {
    height: 70px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.app-header.scrolled .logo-img {
    height: 24px;
}

/* HAMBURGER MENU STYLES */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 101;
    margin-left: auto;
}

.menu-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-dark);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-dark);
    letter-spacing: -0.03em;
}

.logo-accent {
    color: var(--color-primary);
}

.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* BUTTONS & CTA */
.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 700;
    color: #FFFFFF;
    background-color: var(--color-primary);
    border: none;
    border-radius: 12px;
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 14px rgba(87, 200, 77, 0.25);
    cursor: pointer;
}

.btn-cta:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(87, 200, 77, 0.35);
}

.btn-cta:active {
    transform: translateY(0);
}

.btn-cta-nav {
    padding: 11px 20px;
    font-size: 0.85rem;
    border-radius: 10px;
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    box-shadow: none;
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: #FFFFFF;
    box-shadow: 0 6px 20px rgba(87, 200, 77, 0.35);
}

/* MAIN WRAPPER & CONTAINER */
.main-wrapper {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

.form-container {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.page-title-section {
    text-align: center;
    margin-bottom: 8px;
}

.page-title-section h1 {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.page-title-section p {
    font-size: 1.1rem;
    color: var(--color-dark-light);
    font-weight: 500;
}

/* FORM CARDS */
form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.form-card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.header-icon {
    font-size: 1.4rem;
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--color-dark);
}

/* INPUTS & SELECTS */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
    position: relative;
}

.form-group:last-child {
    margin-bottom: 0;
}

label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-dark);
}

.sub-label {
    font-weight: 500;
    color: var(--color-dark-light);
    font-size: 0.85rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-dark);
    background-color: #FFFFFF;
    border: 1.5px solid var(--color-border);
    border-radius: 12px;
    outline: none;
    transition: all var(--transition-fast);
}

input:hover, select:hover, textarea:hover {
    border-color: var(--color-border-hover);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-ring);
}

/* SELECT WRAPPER */
.select-wrapper {
    position: relative;
    width: 100%;
}

.select-wrapper::after {
    content: "▼";
    font-size: 0.75rem;
    color: var(--color-dark-light);
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
}

select {
    appearance: none;
    -webkit-appearance: none;
    padding-right: 40px;
    cursor: pointer;
}

/* FILE UPLOAD BOX */
.file-upload-wrapper {
    position: relative;
    width: 100%;
}

.file-upload-box {
    border: 2px dashed var(--color-border);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    background-color: var(--color-bg);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.file-upload-box:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}

.file-icon {
    font-size: 2rem;
}

.file-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-dark-light);
}

.hidden-file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-name-display {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-top: 4px;
    word-break: break-all;
}

/* CUSTOM CHECKBOX */
.custom-checkbox-container {
    display: flex;
    position: relative;
    padding-left: 32px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    user-select: none;
    color: var(--color-dark-light);
    line-height: 1.4;
}

.custom-checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 2px;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: #FFFFFF;
    border: 1.5px solid var(--color-border);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.custom-checkbox-container:hover input ~ .checkmark {
    border-color: var(--color-border-hover);
}

.custom-checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkmark::after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid #FFFFFF;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.custom-checkbox-container input:checked ~ .checkmark::after {
    display: block;
}

/* CUSTOM RADIO BUTTON */
.custom-radio-container {
    display: flex;
    position: relative;
    padding-left: 28px;
    margin-right: 24px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    user-select: none;
    color: var(--color-dark);
}

.custom-radio-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.radio-mark {
    position: absolute;
    top: 2px;
    left: 0;
    height: 18px;
    width: 18px;
    background-color: #FFFFFF;
    border: 1.5px solid var(--color-border);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.custom-radio-container:hover input ~ .radio-mark {
    border-color: var(--color-border-hover);
}

.custom-radio-container input:checked ~ .radio-mark {
    border-color: var(--color-primary);
    background-color: #FFFFFF;
}

.radio-mark::after {
    content: "";
    position: absolute;
    display: none;
    top: 4px;
    left: 4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
}

.custom-radio-container input:checked ~ .radio-mark::after {
    display: block;
}

.radio-group {
    display: flex;
    flex-direction: row;
    margin-top: 4px;
}

.radio-group-vertical, .checkbox-group-vertical {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 4px;
}

/* CUSTOM DAYS CHECKBOXES (HORIZONTAL BOX STYLE) */
.checkbox-days-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.custom-day-checkbox {
    cursor: pointer;
    user-select: none;
}

.custom-day-checkbox input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.day-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background-color: #FFFFFF;
    border: 1.5px solid var(--color-border);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-dark-light);
    transition: all var(--transition-fast);
}

.custom-day-checkbox:hover input ~ .day-box {
    border-color: var(--color-border-hover);
}

.custom-day-checkbox input:checked ~ .day-box {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* SUBMIT BUTTON */
.btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 54px;
    background-color: var(--color-primary);
    color: #FFFFFF;
    border: none;
    border-radius: 14px;
    font-family: var(--font-main);
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(87, 200, 77, 0.3);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    margin-top: 32px;
}

.btn-submit:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(87, 200, 77, 0.4);
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    position: absolute;
    right: 24px;
}

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

/* VALIDATION ERROR STYLING */
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
    border-color: var(--color-error);
    background-color: var(--color-error-bg);
}

.form-group.has-error .checkmark,
.form-group.has-error .radio-mark,
.form-group.has-error .day-box,
.form-group.has-error .file-upload-box {
    border-color: var(--color-error);
}

.error-msg {
    color: var(--color-error);
    font-size: 0.8rem;
    font-weight: 600;
    display: none;
    margin-top: 4px;
}

.form-group.has-error .error-msg {
    display: block;
}

/* CONDITIONAL AND INFO ELEMENTS */
.conditional-field {
    transition: all var(--transition-normal);
}

.hidden {
    display: none !important;
}

.info-note {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-dark-light);
    display: block;
}

/* APP FOOTER */
.app-footer {
    background-color: var(--color-dark);
    color: #FFFFFF;
    padding: 80px 24px 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto 60px;
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr;
    gap: 80px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: #FFFFFF;
    letter-spacing: -0.03em;
}

.footer-description {
    color: #9CA3AF;
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 400px;
}

.footer-section-title {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-link {
    color: #9CA3AF;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: color var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.footer-link:hover {
    color: #FFFFFF;
}

.footer-icon {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2.5;
    fill: none;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #6B7280;
    font-size: 0.85rem;
    font-weight: 600;
}

/* MODALS */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(31, 41, 55, 0.4);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: 28px;
    padding: 40px;
    width: 100%;
    max-width: 540px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-normal);
    text-align: center;
}

.kvkk-modal-card {
    max-width: 640px;
    text-align: left;
}

.modal-overlay.active .modal-card {
    transform: translateY(0) scale(1);
}

.modal-card h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.modal-description {
    font-size: 0.95rem;
    color: var(--color-dark-light);
    line-height: 1.6;
    margin-bottom: 24px;
}

.kvkk-content {
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 28px;
    padding-right: 8px;
    font-size: 0.875rem;
    color: var(--color-dark-light);
    line-height: 1.6;
}

.kvkk-content p {
    margin-bottom: 12px;
}

.kvkk-content::-webkit-scrollbar {
    width: 6px;
}

.kvkk-content::-webkit-scrollbar-track {
    background: #F3F4F6;
    border-radius: 3px;
}

.kvkk-content::-webkit-scrollbar-thumb {
    background: #D1D5DB;
    border-radius: 3px;
}

.btn-modal-close {
    width: 100%;
    height: 48px;
    background-color: var(--color-dark);
    color: #FFFFFF;
    border: none;
    border-radius: 12px;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-modal-close:hover {
    background-color: #111827;
}

/* SUCCESS MODAL SPECIFIC */
.success-icon-wrapper {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background-color: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.success-svg {
    width: 38px;
    height: 38px;
    stroke: var(--color-primary);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.success-circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.success-check {
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.6s forwards;
}

@keyframes stroke {
    to { stroke-dashoffset: 0; }
}

/* TOAST NOTIFICATIONS */
.toast-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background-color: var(--color-dark);
    color: #FFFFFF;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: toast-in 0.3s ease forwards, toast-out 0.3s ease 2.7s forwards;
    pointer-events: auto;
}

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

@keyframes toast-out {
    to {
        transform: translateY(-20px);
        opacity: 0;
    }
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
    .main-wrapper {
        padding-top: 20px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .form-card {
        padding: 24px;
    }

    .page-title-section h1 {
        font-size: 1.8rem;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-actions {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--color-border);
        padding: 20px 24px;
        flex-direction: column;
        gap: 12px;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
        z-index: 99;
    }

    .nav-actions.active {
        display: flex;
    }

    .btn-cta-nav {
        width: 100%;
        text-align: center;
        justify-content: center;
    }

    /* Transform hamburger into X when active */
    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8.5px) rotate(45deg);
    }
    
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8.5px) rotate(-45deg);
    }

    .app-header.scrolled .nav-actions {
        top: 70px;
    }
}