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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Hero gradient */
.hero-gradient {
    background: linear-gradient(135deg, #064E3B 0%, #047857 30%, #059669 55%, #10B981 80%, #34D399 100%);
}

/* Philosophy gradient */
.philosophy-gradient {
    background: linear-gradient(135deg, #064E3B 0%, #047857 40%, #059669 70%, #065F46 100%);
}

/* Blobs */
.hero-blob {
    width: 500px;
    height: 500px;
}

.blob-1 {
    background: radial-gradient(circle, #6EE7B7, transparent 70%);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.blob-2 {
    background: radial-gradient(circle, #A7F3D0, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.blob-3 {
    background: radial-gradient(circle, #D1FAE5, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    animation: float 6s ease-in-out infinite;
}

.philosophy-blob {
    width: 400px;
    height: 400px;
}

.philosophy-blob.blob-1 {
    top: -50px;
    left: -50px;
    animation: float 9s ease-in-out infinite;
}

.philosophy-blob.blob-2 {
    bottom: -50px;
    right: -50px;
    animation: float 11s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

/* Navbar */
#navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

#navbar.scrolled {
    background: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(4, 120, 87, 0.08);
    padding-top: 0;
    padding-bottom: 0;
}

#navbar.scrolled .menu-line {
    background: #065F46;
}

/* Scroll reveal */
.scroll-reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

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

/* Mobile menu */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

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

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* Menu button active state */
#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}
#menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#menu-btn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 20px;
}

/* Focus styles */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #10B981;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Selection */
::selection {
    background: #A7F3D0;
    color: #064E3B;
}

/* Smooth image loading */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.5s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}