/* ============================================
   DISCOVER NUTRITION — Custom Styles
   ============================================ */

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    background-color: #0a1628;
    color: white;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* ============================================
   GEOMETRIC BACKGROUND SHAPES
   ============================================ */
.geo-shape {
    position: fixed;
    pointer-events: none;
    z-index: 0;
}

.geo-circle-1 {
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 160, 23, 0.06) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: floatShape 20s ease-in-out infinite;
}

.geo-circle-2 {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 160, 23, 0.04) 0%, transparent 70%);
    bottom: 10%;
    left: -100px;
    animation: floatShape 25s ease-in-out infinite reverse;
}

.geo-square-1 {
    width: 120px;
    height: 120px;
    background: rgba(212, 160, 23, 0.05);
    border: 1px solid rgba(212, 160, 23, 0.1);
    border-radius: 24px;
    top: 40%;
    right: 5%;
    transform: rotate(45deg);
    animation: rotateShape 30s linear infinite;
}

.geo-triangle-1 {
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid rgba(212, 160, 23, 0.04);
    top: 60%;
    left: 3%;
    animation: floatShape 18s ease-in-out infinite;
}

.geo-dots {
    width: 200px;
    height: 200px;
    background-image: radial-gradient(circle, rgba(212, 160, 23, 0.15) 1px, transparent 1px);
    background-size: 20px 20px;
    top: 75%;
    right: 15%;
    opacity: 0.5;
}

@keyframes floatShape {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-20px) rotate(2deg);
    }
    50% {
        transform: translateY(10px) rotate(-1deg);
    }
    75% {
        transform: translateY(-15px) rotate(1deg);
    }
}

@keyframes rotateShape {
    from {
        transform: rotate(45deg);
    }
    to {
        transform: rotate(405deg);
    }
}

/* ============================================
   NAVIGATION
   ============================================ */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #e8b828;
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #e8b828 !important;
}

/* Mobile Menu */
.mobile-link {
    position: relative;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ============================================
   BUTTONS & INTERACTIVE ELEMENTS
   ============================================ */
a, button {
    cursor: pointer;
}

/* ============================================
   FORM STYLES
   ============================================ */
input:focus,
textarea:focus {
    outline: none;
    border-color: rgba(232, 184, 40, 0.5) !important;
    box-shadow: 0 0 0 4px rgba(232, 184, 40, 0.1) !important;
}

/* ============================================
   BACK TO TOP
   ============================================ */
#backToTop.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) {
    .geo-circle-1 {
        width: 300px;
        height: 300px;
    }
    
    .geo-circle-2 {
        width: 200px;
        height: 200px;
    }
    
    .geo-square-1 {
        width: 60px;
        height: 60px;
    }
    
    .geo-triangle-1 {
        border-left-width: 30px;
        border-right-width: 30px;
        border-bottom-width: 52px;
    }
    
    .geo-dots {
        width: 100px;
        height: 100px;
    }
}

@media (max-width: 360px) {
    .geo-circle-1,
    .geo-circle-2 {
        display: none;
    }
}

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

/* ============================================
   SELECTION
   ============================================ */
::selection {
    background: rgba(212, 160, 23, 0.3);
    color: white;
}