/* =============================================
   Ocampo Demoliciones - Custom Styles
   ============================================= */

/* Base Styles */
* {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background-color: #C41E3A;
    color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #1A1A1A;
}

::-webkit-scrollbar-thumb {
    background: #C41E3A;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9B1B30;
}

/* =============================================
   Animations
   ============================================= */

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

/* Slide Up Animation */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out forwards;
}

/* Pulse Animation for WhatsApp Button */
@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

#whatsapp-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #22c55e;
    animation: pulse-ring 2s ease-out infinite;
    z-index: -1;
}

/* =============================================
   Header Styles
   ============================================= */

#header {
    transition: all 0.3s ease;
}

#header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Navigation Links */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #C41E3A;
    transition: width 0.3s ease;
}

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

/* =============================================
   Hero Section
   ============================================= */

#inicio {
    min-height: 100vh;
}

#inicio h1 {
    animation: fadeIn 1s ease-out 0.2s both;
}

#inicio p {
    animation: fadeIn 1s ease-out 0.4s both;
}

#inicio .flex {
    animation: fadeIn 1s ease-out 0.6s both;
}

/* =============================================
   Service Cards
   ============================================= */

.service-card {
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(196, 30, 58, 0.2);
}

/* =============================================
   Process Section
   ============================================= */

.process-step {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.5s ease;
}

.process-step.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =============================================
   Project Cards
   ============================================= */

.project-card {
    cursor: pointer;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(26, 26, 26, 0.8), transparent);
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.project-card:hover::before {
    opacity: 0;
}

/* =============================================
   Form Styles
   ============================================= */

#contact-form input:focus,
#contact-form select:focus,
#contact-form textarea:focus {
    outline: none;
    border-color: #C41E3A;
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

#contact-form input::placeholder,
#contact-form textarea::placeholder {
    color: #9ca3af;
}

/* Select Arrow */
#contact-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Form Success State */
#contact-form.success {
    pointer-events: none;
    opacity: 0.7;
}

/* =============================================
   Scroll Reveal Animation
   ============================================= */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* =============================================
   Counter Animation
   ============================================= */

.counter {
    display: inline-block;
}

/* =============================================
   Mobile Menu Animation
   ============================================= */

#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

#mobile-menu.open {
    max-height: 400px;
}

/* =============================================
   Loading State
   ============================================= */

.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =============================================
   Responsive Adjustments
   ============================================= */

@media (max-width: 768px) {
    #inicio h1 {
        font-size: 2.25rem;
        line-height: 1.2;
    }

    .service-card {
        padding: 1.5rem;
    }

    .process-step {
        margin-bottom: 2rem;
    }

    #whatsapp-btn span {
        display: none;
    }
}

@media (max-width: 640px) {
    #inicio {
        padding-top: 5rem;
    }

    .project-card img {
        height: 250px;
    }
}

/* =============================================
   Print Styles
   ============================================= */

@media print {
    #header,
    #whatsapp-btn,
    .scroll-indicator {
        display: none;
    }

    section {
        page-break-inside: avoid;
    }
}

/* =============================================
   Accessibility
   ============================================= */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #C41E3A;
    outline-offset: 2px;
}

/* Skip to Content Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: #C41E3A;
    color: white;
    padding: 0.5rem 1rem;
    z-index: 100;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}