/* ═══════════════════════════════════════════════════════════
   Modern Minimalist Design System
   ═══════════════════════════════════════════════════════════ */

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #f5f5f5;
    --text-secondary: #a0a0a0;
    --text-muted: #6c757d;
    --accent: #ffffff;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ═══════════════════════════════════════════════════════════
   Base Styles
   ═══════════════════════════════════════════════════════════ */

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: "Varela Round", -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    letter-spacing: 0.01em;
}

/* ═══════════════════════════════════════════════════════════
   Navigation
   ═══════════════════════════════════════════════════════════ */

.navbar {
    background: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    transition: var(--transition);
}

.navbar-brand:hover {
    opacity: 0.8;
}

.navbar-brand img {
    transition: var(--transition);
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar-toggler {
    border: none;
    padding: 0.5rem;
    transition: var(--transition);
}

.navbar-toggler:hover {
    opacity: 0.7;
}

.navbar-toggler:focus {
    box-shadow: none;
}

#navbarHeader {
    background: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border);
}

#navbarHeader h4 {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

#navbarHeader p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

#navbarHeader a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
}

#navbarHeader a:hover {
    color: var(--text-primary);
    transform: translateX(4px);
}

/* ═══════════════════════════════════════════════════════════
   Hero Section
   ═══════════════════════════════════════════════════════════ */

.section-center {
    margin-top: 0;
    min-height: calc(100vh - 120px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem 6rem;
}

.section-center .d-flex {
    width: 100%;
}

/* Mobile spacing adjustments */
@media (max-width: 768px) {
    .section-center {
        margin-top: -3rem;
        padding: 0 1rem 8rem;
    }
}

.section-center h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    line-height: 1.4;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.section-center h2 br {
    display: block;
    content: "";
    margin-top: 1.5rem;
}

/* Home Page Links */
.home-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 1.25rem 1rem;
    transition: var(--transition);
    position: relative;
    min-height: 60px;
}

.home-link:not(:last-child) {
    margin-bottom: 1.5rem;
}

.home-link .link-text {
    position: relative;
    display: inline-block;
    flex-shrink: 0;
}

.home-link .link-text::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--text-secondary);
    opacity: 0.3;
    transition: var(--transition);
}

.home-link:hover .link-text::after {
    opacity: 0.8;
    height: 2px;
}

.home-link .arrow-left,
.home-link .arrow-right {
    opacity: 0;
    transition: var(--transition);
    color: var(--text-secondary);
    font-style: normal;
    display: inline-block;
    flex-shrink: 0;
}

.home-link .arrow-left {
    margin-right: 1rem;
    transform: translateX(10px);
}

.home-link .arrow-right {
    margin-left: 1rem;
    transform: translateX(-10px);
}

.home-link:hover {
    color: var(--text-secondary);
}

.home-link:hover .arrow-left {
    opacity: 1;
    transform: translateX(0);
}

.home-link:hover .arrow-right {
    opacity: 1;
    transform: translateX(0);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .home-link {
        padding: 1rem 0.75rem;
        min-height: 56px;
    }
    
    .home-link:not(:last-child) {
        margin-bottom: 1.25rem;
    }
}

/* ═══════════════════════════════════════════════════════════
   Links
   ═══════════════════════════════════════════════════════════ */

.custom-link {
    text-decoration: none;
    color: var(--text-secondary) !important;
    transition: var(--transition);
    position: relative;
}

.custom-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-primary);
    transition: var(--transition);
}

.custom-link:hover {
    color: var(--text-primary) !important;
}

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

/* ═══════════════════════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════════════════════ */

.main-footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.main-footer p {
    margin: 0.5rem 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.terms-use-p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.terms-use-p a {
    margin: 0 0.5rem;
}

/* ═══════════════════════════════════════════════════════════
   Work Page - App Showcase
   ═══════════════════════════════════════════════════════════ */

.section-center a[href*="ifaapp"] {
    text-decoration: none;
    color: inherit;
    display: inline-block;
    transition: var(--transition);
}

.section-center a[href*="ifaapp"]:hover {
    transform: translateY(-8px);
}

.section-center a[href*="ifaapp"] img {
    transition: var(--transition);
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3));
}

.section-center a[href*="ifaapp"]:hover img {
    filter: drop-shadow(0 12px 32px rgba(0, 0, 0, 0.4));
}

.section-center a[href*="ifaapp"] div:last-child {
    margin-top: 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: var(--transition);
}

.section-center a[href*="ifaapp"]:hover div:last-child {
    color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════════════
   Ifa App Page
   ═══════════════════════════════════════════════════════════ */

#main-add-content {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

#main-add-content h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 300;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.description {
    max-width: 700px;
    margin: 0 auto 3rem;
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    line-height: 1.6;
    color: var(--text-secondary);
}

.image-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.image-row img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.image-row img:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.store-buttons {
    margin-top: 3rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
}

.store-buttons a {
    transition: var(--transition);
    display: inline-block;
}

.store-buttons a:hover {
    transform: translateY(-4px);
    opacity: 0.9;
}

.store-buttons img {
    height: 3.5rem;
    max-width: 18rem;
    filter: brightness(0.95);
    transition: var(--transition);
}

.store-buttons a:hover img {
    filter: brightness(1);
}

.color-highlight {
    color: var(--text-primary);
    font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════
   Responsive Design
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .section-center {
        padding: 3rem 1.5rem;
    }
    
    #main-add-content {
        padding: 3rem 1.5rem;
    }
    
    .image-row {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1.5rem;
    }
    
    .store-buttons {
        gap: 1rem;
    }
    
    .store-buttons img {
        height: 3rem;
    }
}

/* ═══════════════════════════════════════════════════════════
   Animations
   ═══════════════════════════════════════════════════════════ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-center,
#main-add-content {
    animation: fadeIn 0.6s ease-out;
}

/* ═══════════════════════════════════════════════════════════
   Utility Classes
   ═══════════════════════════════════════════════════════════ */

.text-white {
    color: var(--text-primary) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.bg-dark {
    background-color: var(--bg-secondary) !important;
}