/* ========================================
   Suvenkari v1.0 - Premium Components
   Buttons, Cards, Header, Footer & Interactive Elements
   ======================================== */

/* ============= Premium Buttons ============= */
.suv-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--suv-space-2_5);
    padding: var(--suv-space-4) var(--suv-space-8);
    font-family: var(--suv-font-body);
    font-size: var(--suv-font-base);
    font-weight: var(--suv-weight-semibold);
    line-height: 1;
    letter-spacing: var(--suv-tracking-wide);
    border: none;
    border-radius: var(--suv-radius-md);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--suv-transition-base);
    position: relative;
    overflow: hidden;
}

.suv-btn-primary {
    background: var(--suv-gradient-copper);
    color: white;
    box-shadow: var(--suv-shadow-md);
    border: 2px solid transparent;
}

.suv-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--suv-shadow-lg), var(--suv-shadow-glow-md);
    color: white;
}

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

.suv-btn-primary:focus-visible {
    outline: 3px solid var(--suv-color-accent-primary);
    outline-offset: 3px;
}

/* Arrow icon slide animation */
.suv-btn .arrow-icon {
    transition: transform var(--suv-transition-base);
    display: inline-block;
}

.suv-btn:hover .arrow-icon {
    transform: translateX(4px);
}

.suv-btn-secondary {
    background: var(--suv-color-bg-card);
    color: var(--suv-color-text-primary);
    border: 2px solid var(--suv-color-slate-300);
    box-shadow: var(--suv-shadow-sm);
}

.suv-btn-secondary:hover {
    transform: translateY(-2px);
    border-color: var(--suv-color-accent-primary);
    box-shadow: var(--suv-shadow-md), var(--suv-shadow-glow-sm);
    color: var(--suv-color-accent-primary);
}

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

.suv-btn-ghost {
    background: transparent;
    color: var(--suv-color-text-primary);
    border: 2px solid transparent;
}

.suv-btn-ghost:hover {
    background: var(--suv-color-bg-secondary);
    border-color: var(--suv-color-border-accent);
}

.suv-btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--suv-radius-full);
}

.suv-btn-lg {
    padding: var(--suv-space-5) var(--suv-space-10);
    font-size: var(--suv-font-lg);
}

.suv-btn-sm {
    padding: var(--suv-space-2_5) var(--suv-space-5);
    font-size: var(--suv-font-sm);
}

/* Button disabled state */
.suv-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ============= Premium Cards ============= */
.suv-card {
    background: var(--suv-color-bg-card);
    border-radius: var(--suv-radius-lg);
    padding: var(--suv-space-8);
    box-shadow: var(--suv-shadow-md);
    transition: all var(--suv-transition-base);
}

.suv-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--suv-shadow-xl);
}

.suv-card-stat {
    text-align: center;
    padding: var(--suv-space-10);
    border: 1px solid var(--suv-color-border-primary);
    position: relative;
    overflow: hidden;
}

.suv-card-stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--suv-gradient-copper);
}

.suv-stat-value {
    font-size: var(--suv-font-6xl);
    font-weight: var(--suv-weight-extrabold);
    line-height: 1;
    color: var(--suv-color-accent-primary);
    margin-bottom: var(--suv-space-3);
    letter-spacing: var(--suv-tracking-tight);
}

.suv-stat-label {
    font-size: var(--suv-font-base);
    color: var(--suv-color-text-secondary);
    font-weight: var(--suv-weight-medium);
}

/* ============= Header Navigation ============= */
.suv-header {
    position: sticky;
    top: 0;
    z-index: var(--suv-z-sticky);
    background: var(--suv-color-bg-card);
    border-bottom: 1px solid var(--suv-color-border-primary);
    transition: all var(--suv-transition-base);
}

.suv-header.scrolled {
    backdrop-filter: blur(12px);
    background: rgba(253, 252, 251, 0.9);
    box-shadow: var(--suv-shadow-md);
}

.suv-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--suv-header-height);
}

.suv-logo {
    display: flex;
    align-items: center;
    gap: var(--suv-space-3);
    font-size: var(--suv-font-xl);
    font-weight: var(--suv-weight-bold);
    color: var(--suv-color-text-primary);
    text-decoration: none;
    letter-spacing: var(--suv-tracking-tight);
    transition: all var(--suv-transition-normal);
    position: relative;
}

.suv-logo img {
    max-width: 280px;
    height: auto;
    max-height: 80px;
    object-fit: contain;
    transition: all var(--suv-transition-normal);
    filter: brightness(1) saturate(1);
}

.suv-logo:hover {
    color: var(--suv-color-accent-primary);
    transform: translateY(-1px);
}

.suv-logo:hover img {
    filter: brightness(1.05) saturate(1.1);
    transform: scale(1.02);
}

@media (max-width: 768px) {
    .suv-logo img {
        max-width: 200px;
        max-height: 60px;
    }
}

.suv-nav {
    display: flex;
    align-items: center;
    gap: var(--suv-space-8);
}

.suv-nav-list {
    display: flex;
    list-style: none;
    gap: var(--suv-space-8);
    margin: 0;
    padding: 0;
}

/* ============= Premium UI Enhancements ============= */

/* Scroll Indicator */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--suv-color-accent-primary) 0%, var(--suv-color-accent-secondary) 100%);
    z-index: var(--suv-z-sticky);
    transition: width 0.1s ease-out;
    box-shadow: 0 0 10px rgba(200, 121, 65, 0.5);
}

/* Page Loading Animation */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--suv-color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--suv-z-popup);
    opacity: 1;
    transition: opacity var(--suv-transition-slow);
}

.page-loader.loaded {
    opacity: 0;
    pointer-events: none;
}

.loader-content {
    text-align: center;
    animation: fadeInUp 0.6s ease-out;
}

.loader-logo {
    width: 80px;
    height: auto;
    margin-bottom: var(--suv-space-4);
    animation: pulse 2s infinite;
}

.loader-text {
    font-size: var(--suv-font-lg);
    font-weight: var(--suv-weight-medium);
    color: var(--suv-color-text-secondary);
    margin-bottom: var(--suv-space-2);
}

.loader-progress {
    width: 200px;
    height: 3px;
    background: var(--suv-color-bg-secondary);
    border-radius: var(--suv-radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.loader-bar {
    height: 100%;
    background: var(--suv-gradient-copper);
    width: 0;
    animation: loadProgress 1.5s ease-out forwards;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes loadProgress {
    to { width: 100%; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--suv-gradient-copper);
    border-radius: var(--suv-radius-full);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--suv-shadow-xl);
    transition: all var(--suv-transition-normal);
    z-index: var(--suv-z-modal);
    transform: translateY(100px);
    opacity: 0;
}

.fab.visible {
    transform: translateY(0);
    opacity: 1;
}

.fab:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--suv-shadow-2xl), var(--suv-shadow-glow-lg);
}

.fab svg {
    width: 24px;
    height: 24px;
    stroke: white;
    stroke-width: 2;
}

@media (max-width: 768px) {
    .fab {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}

/* Premium Card Hover Effects */
.suv-card {
    background: var(--suv-color-bg-card);
    border-radius: var(--suv-radius-lg);
    box-shadow: var(--suv-shadow-md);
    padding: var(--suv-space-8);
    transition: all var(--suv-transition-normal);
    position: relative;
    overflow: hidden;
}

.suv-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--suv-gradient-copper);
    transform: scaleX(0);
    transition: transform var(--suv-transition-normal);
}

.suv-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--suv-shadow-xl);
}

.suv-card:hover::before {
    transform: scaleX(1);
}

/* Interactive Stats Counter */
.suv-hero-stat {
    text-align: center;
    position: relative;
}

.suv-hero-stat-value {
    font-size: var(--suv-font-4xl);
    font-weight: var(--suv-weight-extrabold);
    color: var(--suv-color-accent-primary);
    display: block;
    margin-bottom: var(--suv-space-2);
    transition: all var(--suv-transition-normal);
    position: relative;
}

.suv-hero-stat-value::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--suv-gradient-copper);
    transition: width var(--suv-transition-slow);
}

.suv-hero-stat.animated .suv-hero-stat-value::after {
    width: 100%;
}

.suv-hero-stat-label {
    font-size: var(--suv-font-sm);
    color: var(--suv-color-text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--suv-tracking-wider);
    font-weight: var(--suv-weight-semibold);
}

/* Enhanced Navigation */
.suv-nav-link {
    font-size: var(--suv-font-base);
    font-weight: var(--suv-weight-semibold);
    color: var(--suv-color-text-primary);
    text-decoration: none;
    transition: all var(--suv-transition-fast);
    position: relative;
    padding: var(--suv-space-2) var(--suv-space-4);
    border-radius: var(--suv-radius-sm);
}

/* Desktop navigation emphasis */
@media (min-width: 768px) {
    .suv-nav-link {
        color: #1a1d23;
        font-weight: var(--suv-weight-semibold);
        opacity: 1;
    }
    
    .suv-nav-link:hover {
        color: var(--suv-color-accent-primary);
        background: rgba(200, 121, 65, 0.1);
    }
}

.suv-nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--suv-gradient-copper);
    transition: width var(--suv-transition-normal);
}

.suv-nav-link:hover {
    color: var(--suv-color-accent-primary);
    background: var(--suv-color-bg-secondary);
}

.suv-nav-link:hover::before {
    width: 80%;
}

/* Smooth Form Enhancements */
.suv-form-input,
.suv-form-textarea {
    border: 2px solid var(--suv-color-border-primary);
    border-radius: var(--suv-radius-md);
    padding: var(--suv-space-4);
    font-size: var(--suv-font-base);
    transition: all var(--suv-transition-normal);
    background: var(--suv-color-bg-card);
    position: relative;
}

.suv-form-input:focus,
.suv-form-textarea:focus {
    outline: none;
    border-color: var(--suv-color-accent-primary);
    box-shadow: var(--suv-shadow-glow-sm);
    transform: translateY(-2px);
}

.suv-form-group {
    position: relative;
    margin-bottom: var(--suv-space-6);
}

.suv-form-label {
    position: absolute;
    top: var(--suv-space-4);
    left: var(--suv-space-4);
    color: var(--suv-color-text-muted);
    pointer-events: none;
    transition: all var(--suv-transition-fast);
    background: var(--suv-color-bg-card);
    padding: 0 var(--suv-space-1);
}

.suv-form-input:focus + .suv-form-label,
.suv-form-input:not(:placeholder-shown) + .suv-form-label {
    top: -8px;
    font-size: var(--suv-font-sm);
    color: var(--suv-color-accent-primary);
    font-weight: var(--suv-weight-medium);
}

/* Tooltip System */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]:hover::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--suv-color-bg-dark);
    color: white;
    padding: var(--suv-space-2) var(--suv-space-3);
    border-radius: var(--suv-radius-sm);
    font-size: var(--suv-font-sm);
    white-space: nowrap;
    z-index: var(--suv-z-tooltip);
    opacity: 0;
    animation: fadeInTooltip 0.2s ease forwards;
}

@keyframes fadeInTooltip {
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Premium Animations */
@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-slide-in-left {
    animation: slideInFromLeft 0.6s ease-out forwards;
}

.animate-slide-in-right {
    animation: slideInFromRight 0.6s ease-out forwards;
}

.animate-bounce-in {
    animation: bounceIn 0.8s ease-out forwards;
}

/* Dark mode support placeholder */
@media (prefers-color-scheme: dark) {
    :root {
        --suv-color-bg-primary: #0f1419;
        --suv-color-bg-secondary: #1a1f2e;
        --suv-color-text-primary: #f8f9fa;
        --suv-color-text-secondary: #e8eaed;
    }
}

/* Project Cards */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--suv-space-8);
    margin: var(--suv-space-12) 0;
}

.project-card {
    overflow: hidden;
    transition: all var(--suv-transition-normal);
    background: var(--suv-color-bg-card);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--suv-shadow-xl);
}

.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--suv-transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: var(--suv-space-6);
}

.project-content h4 {
    font-size: var(--suv-font-lg);
    font-weight: var(--suv-weight-bold);
    color: var(--suv-color-text-primary);
    margin-bottom: var(--suv-space-2);
}

.project-type {
    font-size: var(--suv-font-sm);
    color: var(--suv-color-accent-primary);
    font-weight: var(--suv-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--suv-tracking-wide);
    margin-bottom: var(--suv-space-3);
}

.project-content p {
    color: var(--suv-color-text-secondary);
    line-height: var(--suv-leading-relaxed);
    margin-bottom: var(--suv-space-4);
}

.project-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--suv-space-2);
}

.project-specs span {
    background: var(--suv-color-bg-secondary);
    color: var(--suv-color-text-secondary);
    padding: var(--suv-space-1) var(--suv-space-3);
    border-radius: var(--suv-radius-full);
    font-size: var(--suv-font-xs);
    font-weight: var(--suv-weight-medium);
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--suv-space-6);
        margin: var(--suv-space-8) 0;
    }
    
    .project-content {
        padding: var(--suv-space-5);
    }
    
    .project-specs {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .project-specs span {
        align-self: flex-start;
    }
}

.suv-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--suv-gradient-copper);
    transition: width var(--suv-transition-base);
}

.suv-nav-link:hover,
.suv-nav-link.active {
    color: var(--suv-color-accent-primary);
}

.suv-nav-link.active::after,
.suv-nav-link:hover::after {
    width: 100%;
}

/* Mobile Navigation Toggle */
.suv-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--suv-space-2);
}

.suv-nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--suv-color-text-primary);
    transition: all var(--suv-transition-base);
}

/* ============= Back to Top Button ============= */
.suv-back-to-top {
    position: fixed;
    bottom: var(--suv-space-8);
    right: var(--suv-space-8);
    width: 56px;
    height: 56px;
    background: var(--suv-gradient-copper);
    color: white;
    border: none;
    border-radius: var(--suv-radius-full);
    box-shadow: var(--suv-shadow-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--suv-transition-base);
    z-index: var(--suv-z-fixed);
}

.suv-back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.suv-back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--suv-shadow-xl), var(--suv-shadow-glow-lg);
}

/* ============= Toast Notifications ============= */
.suv-toast-container {
    position: fixed;
    top: var(--suv-space-8);
    right: var(--suv-space-8);
    z-index: var(--suv-z-tooltip);
    display: flex;
    flex-direction: column;
    gap: var(--suv-space-3);
}

.suv-toast {
    min-width: 300px;
    padding: var(--suv-space-5) var(--suv-space-6);
    background: var(--suv-color-bg-card);
    border-radius: var(--suv-radius-md);
    box-shadow: var(--suv-shadow-xl);
    border-left: 4px solid var(--suv-color-accent-primary);
    font-size: var(--suv-font-base);
    font-weight: var(--suv-weight-medium);
    opacity: 0;
    transform: translateX(400px);
    transition: all var(--suv-transition-base);
}

.suv-toast.show {
    opacity: 1;
    transform: translateX(0);
}

.suv-toast-success {
    border-left-color: var(--suv-color-success);
}

.suv-toast-error {
    border-left-color: var(--suv-color-error);
}

/* ============= Form Elements ============= */
.suv-form-group {
    margin-bottom: var(--suv-space-6);
}

.suv-form-label {
    display: block;
    font-size: var(--suv-font-base);
    font-weight: var(--suv-weight-medium);
    color: var(--suv-color-text-primary);
    margin-bottom: var(--suv-space-2_5);
}

.suv-form-input,
.suv-form-textarea {
    width: 100%;
    padding: var(--suv-space-4) var(--suv-space-5);
    font-family: var(--suv-font-body);
    font-size: var(--suv-font-base);
    color: var(--suv-color-text-primary);
    background: var(--suv-color-bg-card);
    border: 2px solid var(--suv-color-border-primary);
    border-radius: var(--suv-radius-base);
    transition: all var(--suv-transition-fast);
}

.suv-form-input:focus,
.suv-form-textarea:focus {
    outline: none;
    border-color: var(--suv-color-accent-primary);
    box-shadow: var(--suv-shadow-glow-sm);
}

.suv-form-input.error,
.suv-form-textarea.error {
    border-color: var(--suv-color-error);
}

.suv-field-error {
    display: block;
    margin-top: var(--suv-space-2);
    font-size: var(--suv-font-sm);
    color: var(--suv-color-error);
}

/* ============= Service Filter ============= */
.suv-service-filter {
    margin-bottom: var(--suv-space-12);
    display: flex;
    justify-content: center;
}

.suv-service-search {
    max-width: 480px;
    width: 100%;
}

/* ============= Responsive ============= */
@media (max-width: 968px) {
    .suv-nav {
        position: fixed;
        top: var(--suv-header-height);
        left: 0;
        right: 0;
        background: var(--suv-color-bg-card);
        flex-direction: column;
        padding: var(--suv-space-8);
        box-shadow: var(--suv-shadow-xl);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--suv-transition-base);
    }
    
    .suv-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .suv-nav-list {
        flex-direction: column;
        gap: var(--suv-space-5);
        width: 100%;
    }
    
    .suv-nav-toggle {
        display: flex;
    }
    
    .suv-back-to-top {
        bottom: var(--suv-space-5);
        right: var(--suv-space-5);
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 640px) {
    .suv-btn {
        padding: var(--suv-space-3_5) var(--suv-space-6);
        font-size: var(--suv-font-sm);
    }
    
    .suv-btn-lg {
        padding: var(--suv-space-4) var(--suv-space-7);
        font-size: var(--suv-font-base);
    }
    
    .suv-card {
        padding: var(--suv-space-6);
    }
    
    .suv-toast-container {
        top: var(--suv-space-5);
        right: var(--suv-space-5);
        left: var(--suv-space-5);
    }
    
    .suv-toast {
        min-width: auto;
    }
}