/* ============================================
   CONTACT SECTION - Gen Z Editorial Style
   ============================================ */

.contact-section-designer {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: var(--space-xl) var(--space-md);
    overflow-y: auto;
    overflow-x: hidden;
}

.contact-section-title {
    text-align: center;
    margin-bottom: var(--space-xl);
    width: 100%;
}

.contact-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 80px);
    max-width: clamp(900px, 90vw, 1400px);
    width: 100%;
    align-items: start;
}

/* Contact Information Column */
.contact-info-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-intro-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-greeting {
    font-family: 'Cormorant Garamond', 'Playfair Display', 'Noto Serif TC', serif;
    font-size: clamp(1.625rem, 3.2vw, 2.75rem); /* Slightly larger for editorial impact */
    font-weight: 400;
    letter-spacing: var(--letter-spacing-normal); /* Editorial spacing */
    color: var(--color-text-on-dark); /* Text on dark background = white */
    margin: 0;
    line-height: var(--line-height-tight); /* Tighter for headings */
    font-feature-settings: "liga" 1, "kern" 1, "calt" 1;
    text-rendering: optimizeLegibility;
    /* Gen Z subtle glow */
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.contact-description {
    font-family: 'Cormorant Garamond', 'Playfair Display', 'Noto Serif TC', serif;
    font-size: clamp(1rem, 1.4vw, 1.1875rem); /* Slightly larger */
    font-weight: 300;
    letter-spacing: var(--letter-spacing-normal); /* Editorial spacing */
    color: var(--color-text-on-dark); /* Text on dark background = white */
    margin: var(--space-md) 0 0 0;
    line-height: var(--line-height-relaxed); /* More breathing room */
    font-feature-settings: "liga" 1, "kern" 1, "calt" 1;
    text-rendering: optimizeLegibility;
}

.contact-topics {
    list-style: none;
    padding: 0;
    margin: var(--space-md) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.contact-topics li {
    font-family: 'Cormorant Garamond', 'Playfair Display', 'Noto Serif TC', serif;
    font-size: clamp(0.9375rem, 1.3vw, 1.0625rem); /* Slightly larger */
    font-weight: 300;
    letter-spacing: var(--letter-spacing-tight); /* Slightly tighter for lists */
    color: var(--color-text-on-dark); /* Text on dark background = white */
    line-height: var(--line-height-normal); /* Editorial line height */
    padding-left: clamp(16px, 2vw, 24px);
    position: relative;
    font-feature-settings: "liga" 1, "kern" 1;
    text-rendering: optimizeLegibility;
    transition: color 0.3s ease, transform 0.3s ease;
}

.contact-topics li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--color-text-on-dark); /* Full opacity - never reduce text opacity */
}

.contact-closing {
    font-family: 'Cormorant Garamond', 'Playfair Display', 'Noto Serif TC', serif;
    font-size: clamp(1rem, 1.4vw, 1.1875rem); /* Slightly larger */
    font-weight: 300;
    letter-spacing: var(--letter-spacing-normal); /* Editorial spacing */
    color: var(--color-text-on-dark); /* Text on dark background = white */
    margin: var(--space-lg) 0 0 0; /* More editorial spacing */
    margin-bottom: clamp(48px, 8vw, 64px); /* Increased spacing before form */
    line-height: var(--line-height-relaxed); /* More breathing room */
    font-style: italic;
    font-feature-settings: "liga" 1, "kern" 1, "calt" 1;
    text-rendering: optimizeLegibility;
    /* Gen Z subtle glow */
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

/* Contact Form Column */
.contact-form-column {
    position: relative;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: clamp(28px, 4vw, 40px); /* Increased gap for better spacing on smartphone */
    width: 100%;
}

.form-field-group {
    position: relative;
    width: 100%;
}

.form-field-wrapper {
    position: relative;
    width: 100%;
}

.form-input,
.form-textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.25); /* Slightly increased contrast for better visibility */
    color: var(--color-white-content);
    font-family: 'Cormorant Garamond', 'Playfair Display', 'Noto Serif TC', 'Inter', sans-serif;
    font-size: clamp(1rem, 1.3vw, 1.125rem); /* Larger for smartphone readability - Gen-X friendly */
    font-weight: 300;
    letter-spacing: 0.01em; /* Subtle spacing for form inputs */
    padding: clamp(16px, 2vw, 20px) 0 clamp(10px, 1.2vw, 14px) 0; /* Increased padding for better touch targets */
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* Gen Z smoother transition */
    outline: none;
    resize: none;
    font-feature-settings: "liga" 1, "kern" 1;
    text-rendering: optimizeLegibility;
    -webkit-appearance: none; /* Better mobile appearance */
    appearance: none;
}

.form-textarea {
    min-height: clamp(120px, 15vw, 180px);
    line-height: 1.6;
}

.form-label {
    position: absolute;
    left: 0;
    top: clamp(16px, 2vw, 20px); /* Adjusted for larger input padding */
    font-family: 'Cormorant Garamond', 'Playfair Display', 'Noto Serif TC', 'Inter', sans-serif;
    font-size: clamp(1rem, 1.3vw, 1.125rem); /* Larger for smartphone readability - Gen-X friendly */
    font-weight: 300;
    letter-spacing: 0.02em; /* Subtle spacing */
    color: var(--color-text-on-dark); /* Full opacity - never reduce text opacity */
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* Gen Z smoother */
    transform-origin: left top;
    font-feature-settings: "liga" 1, "kern" 1;
    text-rendering: optimizeLegibility;
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label,
.form-textarea:focus + .form-label,
.form-textarea:not(:placeholder-shown) + .form-label {
    transform: translateY(clamp(-24px, -3vw, -28px)) scale(0.85); /* Adjusted for larger inputs */
    color: var(--color-text-on-dark); /* Full opacity - never reduce text opacity */
}

.form-underline {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent-primary);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 8px rgba(59, 95, 204, 0.5);
}

.form-input:focus ~ .form-underline,
.form-textarea:focus ~ .form-underline {
    width: 100%;
}

.form-input:focus,
.form-textarea:focus {
    border-bottom-color: transparent;
}

.char-count {
    position: absolute;
    right: 0;
    bottom: clamp(-20px, -2.5vw, -24px);
    font-family: 'Cormorant Garamond', 'Playfair Display', 'Noto Serif TC', 'Inter', sans-serif;
    font-size: clamp(0.625rem, 0.8vw, 0.75rem);
    color: var(--color-text-on-dark); /* Full opacity - never reduce text opacity */
    transition: color 0.3s ease;
}

.captcha-question {
    position: absolute;
    right: 0;
    bottom: clamp(-20px, -2.5vw, -24px);
    font-family: 'Cormorant Garamond', 'Playfair Display', 'Noto Serif TC', 'Inter', sans-serif;
    font-size: clamp(0.75rem, 1vw, 0.875rem);
    color: var(--color-text-on-dark); /* Full opacity - never reduce text opacity */
    font-weight: 500;
    white-space: nowrap;
}

.form-input:focus ~ .char-count,
.form-textarea:focus ~ .char-count {
    color: var(--color-text-on-dark); /* Full opacity - never reduce text opacity */
}

.form-submit-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.form-submit-btn {
    align-self: flex-start;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.35); /* Slightly increased contrast */
    color: var(--color-white-content);
    font-family: 'Cormorant Garamond', 'Playfair Display', 'Noto Serif TC', serif;
    font-size: clamp(1.0625rem, 1.5vw, 1.25rem); /* Larger for smartphone readability */
    font-weight: 300;
    letter-spacing: var(--letter-spacing-wider); /* More editorial spacing */
    text-transform: uppercase;
    padding: clamp(16px, 2vw, 20px) clamp(32px, 4.5vw, 40px); /* Larger padding for better touch targets */
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* Gen Z smoother */
    min-width: clamp(140px, 18vw, 180px);
    min-height: 48px; /* Minimum touch target size for accessibility */
    font-feature-settings: "liga" 1, "kern" 1, "calt" 1;
    text-rendering: optimizeLegibility;
    /* Gen Z subtle glow */
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    touch-action: manipulation; /* Better touch response on mobile */
}

.form-submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.form-submit-btn:hover::before {
    left: 100%;
}

.form-submit-btn:hover {
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-3px); /* More Gen Z lift */
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4),
                0 0 16px rgba(255, 255, 255, 0.1); /* Gen Z enhanced glow */
    /* Enhanced text glow on hover */
    text-shadow: 0 0 12px rgba(255, 255, 255, 0.4),
                 0 2px 4px rgba(0, 0, 0, 0.3);
}

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

.form-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.submit-loader {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-white-content);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: var(--space-xs);
}

.form-submit-btn.sending .submit-loader {
    display: inline-block;
}

.form-submit-btn.sending .submit-text {
    opacity: 0.7;
}

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

.form-message {
    font-family: 'Cormorant Garamond', 'Playfair Display', 'Noto Serif TC', 'Inter', sans-serif;
    font-size: clamp(0.75rem, 1vw, 0.875rem);
    padding: var(--space-xs);
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    min-height: 20px;
}

.form-message.show {
    opacity: 1;
    transform: translateY(0);
}

.form-message.success {
    color: #90EE90; /* Light green - full opacity, never reduce text opacity */
}

.form-message.error {
    color: var(--color-accent-primary); /* Use accent color - full opacity */
}

/* Gen Z Web Design Effects */
.form-field-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    transition: opacity 0.3s ease;
}

.form-field-wrapper:hover::after {
    opacity: 1;
}

.form-input:invalid:not(:placeholder-shown),
.form-textarea:invalid:not(:placeholder-shown) {
    border-bottom-color: var(--color-accent-primary); /* Use accent color */
}

.form-input:valid:not(:placeholder-shown),
.form-textarea:valid:not(:placeholder-shown) {
    border-bottom-color: rgba(144, 238, 144, 0.3);
}

/* Responsive Design */

/* Tablet sizes (769px - 1024px) */
@media (max-width: 1024px) and (min-width: 769px) {
    .contact-content-wrapper {
        grid-template-columns: 1fr 1fr;
        gap: clamp(40px, 5vw, 60px);
        max-width: 90vw;
    }
    
    .contact-section-title {
        margin-bottom: var(--space-lg);
    }
    
    .contact-greeting {
        font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    }
    
    .contact-description,
    .contact-closing {
        font-size: clamp(1rem, 1.5vw, 1.125rem);
    }
}

/* Mobile sizes (max-width: 768px) - Smartphone First Design */
@media (max-width: 768px) {
    .contact-section-designer {
        padding: clamp(24px, 5vw, 32px) clamp(20px, 4vw, 24px); /* Better smartphone padding */
        min-height: auto;
    }
    
    .contact-section-title {
        margin-bottom: clamp(24px, 5vw, 32px); /* Increased spacing */
        font-size: clamp(1.75rem, 5.5vw, 2.25rem); /* Larger for readability */
    }
    
    .contact-content-wrapper {
        grid-template-columns: 1fr;
        gap: clamp(48px, 8vw, 64px); /* Significantly increased gap between info and form */
        max-width: 100%;
    }
    
    .contact-info-column {
        order: 1;
    }
    
    .contact-form-column {
        order: 2;
    }
    
    .contact-greeting {
        font-size: clamp(1.75rem, 5.5vw, 2.25rem); /* Larger for Gen-X readability */
        line-height: 1.3; /* Better line height */
        margin-bottom: clamp(16px, 3vw, 24px);
    }
    
    .contact-description {
        font-size: clamp(1.125rem, 2.2vw, 1.25rem); /* Larger for readability */
        line-height: 1.7; /* More breathing room */
        margin-bottom: clamp(12px, 2.5vw, 20px);
    }
    
    .contact-closing {
        font-size: clamp(1.125rem, 2.2vw, 1.25rem); /* Larger for readability */
        margin-top: clamp(24px, 4vw, 32px);
        margin-bottom: clamp(56px, 10vw, 80px); /* Even more space before form on mobile */
        line-height: 1.7;
    }
    
    .contact-topics {
        gap: clamp(12px, 2vw, 16px); /* Better spacing between items */
        margin: clamp(16px, 3vw, 24px) 0;
    }
    
    .contact-topics li {
        font-size: clamp(1rem, 2vw, 1.125rem); /* Larger for readability */
        padding-left: clamp(20px, 4vw, 28px);
        line-height: 1.6;
        padding-top: 2px; /* Extra spacing for touch */
        padding-bottom: 2px;
    }
    
    .contact-form {
        gap: clamp(32px, 5vw, 40px); /* Larger gap between form fields */
    }
    
    .form-input,
    .form-textarea {
        font-size: clamp(1.125rem, 2.2vw, 1.25rem); /* Significantly larger for Gen-X readability */
        padding: clamp(18px, 3vw, 24px) 0 clamp(12px, 2vw, 16px) 0; /* Larger padding for better touch */
        border-bottom-width: 2px; /* Thicker border for better visibility */
    }
    
    .form-label {
        font-size: clamp(1.125rem, 2.2vw, 1.25rem); /* Larger labels */
        top: clamp(18px, 3vw, 24px);
    }
    
    .form-input:focus + .form-label,
    .form-input:not(:placeholder-shown) + .form-label,
    .form-textarea:focus + .form-label,
    .form-textarea:not(:placeholder-shown) + .form-label {
        transform: translateY(clamp(-28px, -4vw, -32px)) scale(0.85);
    }
    
    .form-textarea {
        min-height: clamp(140px, 25vw, 200px); /* Larger textarea for mobile */
        line-height: 1.7; /* Better line height */
    }
    
    .form-submit-btn {
        width: 100%;
        justify-content: center;
        font-size: clamp(1.125rem, 2.5vw, 1.3125rem); /* Larger button text */
        padding: clamp(18px, 3vw, 24px) clamp(32px, 5vw, 40px); /* Larger touch target */
        min-height: 52px; /* Larger minimum touch target for mobile */
        border-width: 2px; /* Thicker border for better visibility */
    }
    
    .char-count {
        font-size: clamp(0.75rem, 1.5vw, 0.875rem); /* Larger for readability */
        bottom: clamp(-24px, -3vw, -28px);
    }
    
    .captcha-question {
        font-size: clamp(0.875rem, 1.8vw, 1rem); /* Larger for readability */
        bottom: clamp(-24px, -3vw, -28px);
    }
    
    .form-message {
        font-size: clamp(0.9375rem, 1.8vw, 1.0625rem); /* Larger for readability */
        padding: clamp(8px, 1.5vw, 12px);
        line-height: 1.6;
    }
}

/* Small mobile sizes (max-width: 480px) - Extra Small Smartphones */
@media (max-width: 480px) {
    .contact-section-designer {
        padding: clamp(20px, 4vw, 28px) clamp(16px, 3.5vw, 20px);
    }
    
    .contact-section-title {
        margin-bottom: clamp(20px, 4vw, 28px);
        font-size: clamp(1.625rem, 6vw, 2rem);
    }
    
    .contact-content-wrapper {
        gap: clamp(40px, 8vw, 56px); /* Still generous spacing */
    }
    
    .contact-greeting {
        font-size: clamp(1.625rem, 6vw, 2rem); /* Still readable on small screens */
        line-height: 1.3;
        margin-bottom: clamp(14px, 2.5vw, 20px);
    }
    
    .contact-description {
        font-size: clamp(1.0625rem, 2.5vw, 1.1875rem); /* Still larger than before */
        line-height: 1.7;
        margin-bottom: clamp(10px, 2vw, 16px);
    }
    
    .contact-closing {
        font-size: clamp(1.0625rem, 2.5vw, 1.1875rem); /* Still larger than before */
        margin-top: clamp(20px, 3.5vw, 28px);
        margin-bottom: clamp(48px, 9vw, 72px); /* Still generous spacing */
        line-height: 1.7;
    }
    
    .contact-topics {
        gap: clamp(10px, 2vw, 14px);
        margin: clamp(14px, 2.5vw, 20px) 0;
    }
    
    .contact-topics li {
        font-size: clamp(0.9375rem, 2.2vw, 1.0625rem); /* Still readable */
        padding-left: clamp(18px, 3.5vw, 24px);
        line-height: 1.6;
        padding-top: 2px;
        padding-bottom: 2px;
    }
    
    .contact-form {
        gap: clamp(28px, 4.5vw, 36px); /* Still good spacing */
    }
    
    .form-field-wrapper {
        margin-bottom: 0; /* Remove extra margin, gap handles spacing */
    }
    
    .form-input,
    .form-textarea {
        font-size: clamp(1.0625rem, 2.5vw, 1.1875rem); /* Still larger for readability */
        padding: clamp(16px, 3vw, 20px) 0 clamp(10px, 2vw, 14px) 0;
        border-bottom-width: 2px;
    }
    
    .form-label {
        font-size: clamp(1.0625rem, 2.5vw, 1.1875rem); /* Still larger */
        top: clamp(16px, 3vw, 20px);
    }
    
    .form-input:focus + .form-label,
    .form-input:not(:placeholder-shown) + .form-label,
    .form-textarea:focus + .form-label,
    .form-textarea:not(:placeholder-shown) + .form-label {
        transform: translateY(clamp(-26px, -4vw, -30px)) scale(0.85);
    }
    
    .form-textarea {
        min-height: clamp(130px, 28vw, 180px); /* Still good size */
        line-height: 1.7;
    }
    
    .form-submit-btn {
        padding: clamp(16px, 3vw, 22px) clamp(28px, 5vw, 36px);
        font-size: clamp(1.0625rem, 2.8vw, 1.25rem); /* Still readable */
        min-height: 50px; /* Still good touch target */
        border-width: 2px;
    }
    
    .char-count {
        font-size: clamp(0.6875rem, 1.5vw, 0.8125rem);
        bottom: clamp(-22px, -3.5vw, -26px);
    }
    
    .captcha-question {
        font-size: clamp(0.8125rem, 2vw, 0.9375rem);
        bottom: clamp(-22px, -3.5vw, -26px);
    }
    
    .form-message {
        font-size: clamp(0.875rem, 2vw, 1rem);
        padding: clamp(6px, 1.5vw, 10px);
        line-height: 1.6;
    }
}