/* ========== BASE ========== */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: rgba(200, 164, 94, 0.3);
    color: #1a2744;
}

/* ========== NAVBAR ========== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(13, 21, 36, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
}

.nav-logo-text {
    transition: color 0.4s ease;
}

#navbar:not(.scrolled) .nav-logo-text {
    color: #ffffff;
}

#navbar.scrolled .nav-logo-text {
    color: #ffffff;
}

/* ========== HERO ========== */
.hero-bg {
    will-change: transform;
}

.hero-overlay {
    background: linear-gradient(
        135deg,
        rgba(13, 21, 36, 0.88) 0%,
        rgba(26, 39, 68, 0.82) 50%,
        rgba(13, 21, 36, 0.75) 100%
    );
}

.scroll-indicator {
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: translateY(0); }
    50% { opacity: 0.8; transform: translateY(6px); }
}

/* ========== SECTION HEADERS ========== */
.section-eyebrow {
    display: block;
}

/* ========== SERVICES ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2.5rem;
    }
}

.service-card {
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(26, 39, 68, 0.08);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    background: #ffffff;
}

.service-card:hover {
    border-color: rgba(200, 164, 94, 0.3);
    box-shadow: 0 20px 60px rgba(26, 39, 68, 0.08);
    transform: translateY(-4px);
}

.service-card:hover .service-icon {
    background: #c8a45e;
}

.service-card:hover .service-icon svg {
    color: #0d1524;
}

/* ========== IMPACT CARDS ========== */
.impact-card {
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.impact-card:hover {
    box-shadow: 0 20px 60px rgba(26, 39, 68, 0.15);
}

/* ========== CTA SECTION ========== */
.cta-overlay {
    background: linear-gradient(
        135deg,
        rgba(13, 21, 36, 0.94) 0%,
        rgba(26, 39, 68, 0.90) 100%
    );
}

/* ========== MOBILE MENU ========== */
#mobile-menu {
    transition: opacity 0.4s ease, pointer-events 0.4s ease;
}

#mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.exiting {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

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

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

/* ========== HAMBURGER ========== */
.hamburger-line {
    transition: all 0.3s ease;
}

#mobile-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

#mobile-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

#mobile-toggle.active .hamburger-line:nth-child(3) {
    width: 1.25rem;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ========== SCROLL REVEAL ========== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Stagger delays for children */
.reveal-stagger > *:nth-child(1) { transition-delay: 0s; }
.reveal-stagger > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger > *:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger > *:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger > *:nth-child(5) { transition-delay: 0.4s; }
.reveal-stagger > *:nth-child(6) { transition-delay: 0.5s; }

/* ========== REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-stagger > * {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    .scroll-indicator {
        animation: none;
        opacity: 0.6;
    }
}

/* ========== FORM ========== */
select option {
    color: #1a2744;
}

/* ========== UTILITIES ========== */
@media (max-width: 639px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}