/* ============================================
   Transitions in Stride, LLC — Custom Styles
   ============================================ */

/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: #a8e6cf;
    color: #0d1b2a;
}

/* ============================================
   Hero Animations
   ============================================ */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-tagline {
    animation: fadeUp 0.8s ease forwards;
}

.hero-headline {
    animation: fadeUp 0.8s ease forwards;
}

.hero-subtitle {
    animation: fadeUp 0.8s ease forwards;
}

/* ============================================
   Scroll Reveal
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ============================================
   Service Cards
   ============================================ */
.service-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.service-card:nth-child(1) { transition-delay: 0s; }
.service-card:nth-child(2) { transition-delay: 0.1s; }
.service-card:nth-child(3) { transition-delay: 0.2s; }
.service-card:nth-child(4) { transition-delay: 0.3s; }
.service-card:nth-child(5) { transition-delay: 0.4s; }
.service-card:nth-child(6) { transition-delay: 0.5s; }

/* ============================================
   Approach Cards
   ============================================ */
.approach-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.approach-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.approach-card:nth-child(1) { transition-delay: 0s; }
.approach-card:nth-child(2) { transition-delay: 0.15s; }
.approach-card:nth-child(3) { transition-delay: 0.3s; }
.approach-card:nth-child(4) { transition-delay: 0.45s; }

/* ============================================
   Testimonial Cards
   ============================================ */
.testimonial-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.testimonial-card.revealed {
    opacity: 1;
    transform: translateY(0);
}

.testimonial-card:nth-child(1) { transition-delay: 0s; }
.testimonial-card:nth-child(2) { transition-delay: 0.15s; }
.testimonial-card:nth-child(3) { transition-delay: 0.3s; }

/* ============================================
   Image Hover
   ============================================ */
.hero-image {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-image:hover {
    transform: scale(1.03);
}

/* ============================================
   Navbar
   ============================================ */
#navbar {
    transition: background-color 0.4s ease, 
                box-shadow 0.4s ease,
                backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background-color: rgba(240, 250, 245, 0.9);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(13, 27, 42, 0.06);
}

#navbar.scrolled .font-serif {
    color: #0d1b2a !important;
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ============================================
   Back to Top
   ============================================ */
#backToTop {
    transition: opacity 0.4s ease, 
                transform 0.4s ease,
                box-shadow 0.4s ease;
}

#backToTop.visible {
    opacity: 1;
    pointer-events: auto;
}

#backToTop:hover {
    transform: translateY(-3px);
}

/* ============================================
   Custom Select Styling
   ============================================ */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%230d1b2a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ============================================
   Focus Visible
   ============================================ */
:focus-visible {
    outline: 2px solid #a8e6cf;
    outline-offset: 2px;
}

/* ============================================
   Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ============================================
   Tablet & Up
   ============================================ */
@media (min-width: 768px) {
    .hero-headline {
        font-size: clamp(3rem, 5vw, 4.5rem);
    }
}

/* ============================================
   Large Desktop
   ============================================ */
@media (min-width: 1280px) {
    .hero-headline {
        font-size: clamp(3.5rem, 5.5vw, 5rem);
    }
}

/* ============================================
   Print
   ============================================ */
@media print {
    #navbar, #backToTop, .reveal {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    section {
        page-break-inside: avoid;
    }
}