/* ============================================
   THE IMPACT GUIDANCE — Components
   Reusable UI Components
   ============================================ */

/* ============================================
   BUTTONS
   ============================================ */

/* Base Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    will-change: transform, box-shadow;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Gold Button - Primary CTA */
.btn-gold {
    background: var(--color-gold);
    color: var(--color-bg-absolute);
    box-shadow: 0 4px 20px var(--color-gold-glow);
}

.btn-gold:hover:not(:disabled) {
    background: var(--color-gold-dim);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--color-gold-glow);
}

.btn-gold:active:not(:disabled) {
    transform: translateY(0);
}

/* Teal Button - Interactive */
.btn-teal {
    background: var(--color-teal);
    color: var(--color-bg-absolute);
    box-shadow: 0 4px 20px var(--color-teal-glow);
}

.btn-teal:hover:not(:disabled) {
    background: var(--color-teal-dim);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--color-teal-glow);
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--color-white);
    border: 1px solid var(--color-white-30);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--color-white-10);
    border-color: var(--color-white-50);
}

/* Icon Button */
.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: var(--radius-full);
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

/* ============================================
   HEADER / COMMAND CENTER
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    padding: var(--space-4) 0;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: var(--blur-medium);
    -webkit-backdrop-filter: var(--blur-medium);
    border-bottom: 1px solid var(--color-white-05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.header-logo-icon {
    width: 32px;
    height: 32px;
    background: var(--color-gold);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-logo-text {
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    color: var(--color-white-90);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

/* Language Selector */
.language-selector {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.language-selector:hover {
    border-color: var(--color-white-30);
    background: var(--color-white-05);
}

.language-selector select {
    background: transparent;
    border: none;
    color: var(--color-white-70);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    outline: none;
}

.language-selector select option {
    background: var(--color-bg-elevated);
    color: var(--color-white);
}

/* ============================================
   SERVICE TABS
   ============================================ */
.service-tabs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    padding: var(--space-1);
    background: var(--color-white-05);
    border-radius: var(--radius-full);
    border: 1px solid var(--color-white-10);
}

.service-tab {
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--color-white-50);
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.service-tab:hover {
    color: var(--color-white-70);
}

.service-tab.active {
    background: var(--color-white);
    color: var(--color-bg-absolute);
    box-shadow: var(--shadow-md);
}

/* ============================================
   BEFORE/AFTER SLIDER
   ============================================ */
.slider-section {
    position: relative;
    padding: var(--space-16) 0;
}

.slider-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    aspect-ratio: 3 / 2;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    cursor: ew-resize;
    user-select: none;
}

.slider-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    will-change: clip-path;
}

.slider-image-before {
    z-index: 1;
}

.slider-image-after {
    z-index: 2;
    clip-path: inset(0 50% 0 0);
}

.slider-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    z-index: 10;
    width: 4px;
    background: var(--color-white);
    transform: translateX(-50%);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    will-change: left;
}

.slider-handle::before,
.slider-handle::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background: var(--color-white);
    border-radius: var(--radius-full);
}

.slider-handle::before {
    top: 20px;
}

.slider-handle::after {
    bottom: 20px;
}

.slider-handle-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.slider-handle-center svg {
    width: 24px;
    height: 24px;
    color: var(--color-bg-absolute);
}

/* Slider Labels */
.slider-label {
    position: absolute;
    bottom: var(--space-6);
    z-index: 15;
    padding: var(--space-2) var(--space-4);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: var(--blur-subtle);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-white-70);
}

.slider-label-before {
    left: var(--space-6);
}

.slider-label-after {
    right: var(--space-6);
}

/* ============================================
   TECHNICAL CONTROLS PANEL
   ============================================ */
.controls-panel {
    position: absolute;
    top: var(--space-6);
    right: calc(-280px - var(--space-8));
    width: 280px;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-white-10);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.controls-header {
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-white-10);
}

.controls-header-title {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    color: var(--color-white-50);
}

.controls-body {
    padding: var(--space-4) var(--space-5);
}

.control-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-white-05);
}

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

.control-label {
    font-size: var(--text-sm);
    color: var(--color-white-70);
}

.control-value {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.control-badge {
    padding: var(--space-1) var(--space-2);
    background: var(--color-teal);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-bg-absolute);
}

.control-badge.gold {
    background: var(--color-gold);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--color-bg-elevated);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-white-10);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--color-white-20);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
}

.card-body {
    padding: var(--space-6);
}

.card-title {
    font-family: var(--font-serif);
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-2);
}

.card-text {
    font-size: var(--text-sm);
    color: var(--color-white-50);
    line-height: var(--leading-relaxed);
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-white-50);
}

.form-input {
    width: 100%;
    padding: var(--space-4);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-white-10);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-teal);
    box-shadow: 0 0 0 3px var(--color-teal-glow);
}

.form-input::placeholder {
    color: var(--color-white-30);
}

/* Textarea */
.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* ============================================
   BADGES & TAGS
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.badge-gold {
    background: var(--color-gold-glow);
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
}

.badge-teal {
    background: var(--color-teal-glow);
    color: var(--color-teal);
    border: 1px solid var(--color-teal);
}

.badge-neutral {
    background: var(--color-white-10);
    color: var(--color-white-70);
    border: 1px solid var(--color-white-20);
}

/* ============================================
   DIVIDERS
   ============================================ */
.divider {
    height: 1px;
    background: linear-gradient(90deg,
            transparent,
            var(--color-white-20),
            transparent);
    margin: var(--space-8) 0;
}

.divider-vertical {
    width: 1px;
    height: 24px;
    background: var(--color-white-20);
}

/* ============================================
   LOADING STATES
   ============================================ */
.skeleton {
    background: linear-gradient(90deg,
            var(--color-bg-surface) 25%,
            var(--color-bg-hover) 50%,
            var(--color-bg-surface) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-white-20);
    border-top-color: var(--color-gold);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

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

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 1200px) {
    .controls-panel {
        position: relative;
        top: auto;
        right: auto;
        width: 100%;
        max-width: 400px;
        margin: var(--space-8) auto 0;
    }
}

@media (max-width: 768px) {
    .header-logo-text {
        display: none;
    }

    .service-tab {
        padding: var(--space-2) var(--space-4);
        font-size: var(--text-xs);
    }

    .slider-container {
        border-radius: var(--radius-lg);
    }

    .slider-label {
        bottom: var(--space-4);
        padding: var(--space-1) var(--space-3);
    }
}