/* ===== CSS VARIABLES ===== */
:root {
    --primary: #0f766e;
    --primary-dark: #115e59;
    --primary-light: #2dd4bf;
    --secondary: #57534e;
    --accent: #d97706;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    --text-primary: #1c1917;
    --text-secondary: #44403c;
    --text-muted: #a8a29e;
    --bg-primary: #FFFFFF;
    --bg-secondary: #fafaf9;
    --bg-tertiary: #f5f5f4;
    --border-color: #e7e5e4;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease-out;
    --transition-slow: all 0.5s ease-out;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    overflow-x: hidden;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes typing {
    from {
        width: 0
    }

    to {
        width: 100%
    }
}

@keyframes blink-caret {

    from,
    to {
        border-color: transparent
    }

    50% {
        border-color: var(--primary)
    }
}

/* ===== ANIMATION CLASSES ===== */
.animate-fadeIn {
    animation: fadeIn 1s ease-out;
}

.animate-slideInLeft {
    animation: slideInLeft 1s ease-out;
}

.animate-slideInRight {
    animation: slideInRight 1s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ===== BACKGROUNDS ===== */
.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-gradient {
    background: linear-gradient(135deg, #EBF5FF 0%, #F3E7FC 100%);
}

/* ===== GLASS EFFECT ===== */
.glass {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ===== BUTTONS ===== */
.btn-primary {
    background: var(--primary);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.btn-primary:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover:before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

/* ===== CARDS ===== */
.card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* ===== SECTION REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===== HEADER ===== */
.header-scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* ===== LOADER ===== */
.loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

/* ===== LOADING SCREEN ===== */
#loading-screen {
    transition: opacity 0.5s ease;
}

#loading-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

body.loading {
    overflow: hidden;
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideInUp 0.3s ease;
    position: relative;
}

/* ===== TESTIMONIAL ===== */
.testimonial-slide {
    display: none;
    animation: fadeIn 0.5s ease;
}

.testimonial-slide.active {
    display: block;
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.mobile-menu.active {
    transform: translateX(0);
}

/* ===== PARALLAX ===== */
.parallax {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* ===== TYPING ANIMATION ===== */
.typing {
    overflow: hidden;
    border-right: 2px solid var(--primary);
    white-space: nowrap;
    animation: typing 3s steps(40, end), blink-caret .75s step-end infinite;
}

/* ===== SUCCESS MESSAGE ===== */
.success-message {
    background: #10B981;
    color: white;
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    display: none;
    animation: slideInUp 0.3s ease;
}

.success-message.show {
    display: block;
}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 2px 2px 10px #666;
    color: white;
}

/* ===== FORM STYLES ===== */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-primary {
    color: var(--primary);
}

.bg-primary {
    background-color: var(--primary);
}

.bg-secondary {
    background-color: var(--secondary);
}

/* ===== CUSTOM SHADOW ===== */
.custom-shadow {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* ===== SECTION FADE IN ===== */
.section-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.section-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== SCROLL MARGIN ===== */
.scroll-mt-20 {
    scroll-margin-top: 5rem;
}

/* ===== SCROLL TO TOP BUTTON ===== */
.scroll-to-top {
    position: fixed;
    width: 50px;
    height: 50px;
    bottom: 30px;
    left: 30px;
    background-color: #3B82F6;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 18px;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
    background-color: #2563EB;
}

/* ===== FORM FOCUS EFFECTS ===== */
.form-group.focused label {
    color: var(--primary);
    transform: translateY(-2px);
}

/* ===== COUNTER ANIMATION ===== */
.counter-section [data-count] {
    transition: all 0.3s ease;
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
img {
    max-width: 100%;
    height: auto;
    loading: lazy;
}

/* Critical CSS for above-the-fold content */
.hero,
.header {
    will-change: transform;
}

/* Optimize animations for better performance */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

#preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #0d9488;
    /* primary-600 */
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* GPU acceleration for smooth animations */
.animate-fadeIn,
.animate-slideInLeft,
.animate-slideInRight,
.section-fade-in {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Optimize font loading */
@font-face {
    font-family: 'Inter';
    font-display: swap;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .container {
        padding: 0 15px;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 24px;
    }

    .modal-content {
        padding: 20px;
        width: 95%;
    }

    /* Optimize images for mobile */
    img {
        max-width: 100%;
        height: auto;
    }
}

/* ===== PRINT STYLES ===== */
@media print {

    .whatsapp-float,
    #scroll-to-top,
    .mobile-menu,
    .modal {
        display: none !important;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .container {
        max-width: none;
        padding: 0;
    }
}
/* ===== Blog Slider ===== */
.blog-slider {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 0.5rem 0.25rem 1.5rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.blog-slider::-webkit-scrollbar { height: 8px; }
.blog-slider::-webkit-scrollbar-track { background: transparent; }
.blog-slider::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
.blog-card {
  flex: 0 0 86%;
  scroll-snap-align: start;
  background: #fff;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.25s, transform 0.25s;
}
.blog-card:hover { box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12); transform: translateY(-4px); }
@media (min-width: 640px) { .blog-card { flex-basis: 46%; } }
@media (min-width: 1024px) { .blog-card { flex-basis: 31.5%; } }
.blog-nav-btn {
  position: absolute;
  top: 38%;
  transform: translateY(-50%);
  z-index: 10;
  width: 44px;
  height: 44px;
  border-radius: 9999px;
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0f766e;
  cursor: pointer;
  border: none;
  transition: background 0.2s, color 0.2s;
}
.blog-nav-btn:hover { background: #0f766e; color: #fff; }
.blog-nav-prev { left: -10px; }
.blog-nav-next { right: -10px; }
@media (max-width: 767px) {
  .blog-nav-btn { display: none; }
  .blog-card { flex-basis: 86%; }
}
/* Blog modal content typography */
.blog-content h3 { font-size: 1.15rem; font-weight: 700; margin-top: 1rem; color: #1f2937; }
.blog-content h4 { font-size: 1.02rem; font-weight: 700; margin-top: 0.75rem; color: #374151; }
.blog-content ul { list-style: disc; padding-left: 1.5rem; }
.blog-content ol { list-style: decimal; padding-left: 1.5rem; }
.blog-content li { margin-bottom: 0.4rem; }
.blog-content p { margin-bottom: 0.75rem; }