/* ==========================================================================
   GROOVY STUDIO - FLAT NAVY BLUE DESIGN SYSTEM
   Modern, Clean, Minimalist Flat Theme
   ========================================================================== */

:root {
    /* Palette Navy Flat */
    --navy-950: #061121;
    --navy-900: #0b1a30;
    --navy-800: #102644;
    --navy-700: #17365d;
    --navy-600: #1e4a7d;
    --navy-500: #2563eb; /* Primary Accent */
    --navy-400: #38bdf8; /* Vibrant Sky */
    --navy-300: #93c5fd;
    --navy-100: #e2e8f0;
    --navy-50:  #f1f5f9;

    /* Neutrals */
    --bg-main: #f8fafc;
    --bg-card: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --border-color: #e2e8f0;
    --border-dark: #1e3a5f;

    /* Semantics */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;

    /* Radius & Spacing */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Flat Shadows */
    --shadow-flat-sm: 0 1px 2px 0 rgba(11, 26, 48, 0.05);
    --shadow-flat-md: 0 4px 6px -1px rgba(11, 26, 48, 0.08), 0 2px 4px -2px rgba(11, 26, 48, 0.05);
    --shadow-flat-lg: 0 10px 15px -3px rgba(11, 26, 48, 0.08), 0 4px 6px -4px rgba(11, 26, 48, 0.04);
}

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

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--navy-900);
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    text-decoration: none;
    transition: all 0.2s ease;
}

/* Flat UI Components */
.badge-flat-navy {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--navy-500);
    border: 1px solid rgba(37, 99, 235, 0.2);
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.badge-flat-dark {
    background-color: var(--navy-800);
    color: var(--navy-300);
    border: 1px solid var(--border-dark);
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-full);
}

.btn-flat-navy {
    background-color: var(--navy-500);
    color: #ffffff;
    border: 1px solid var(--navy-500);
    font-weight: 600;
    padding: 0.75rem 1.6rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease-in-out;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.btn-flat-navy:hover {
    background-color: var(--navy-600);
    border-color: var(--navy-600);
    color: #ffffff;
    transform: translateY(-1px);
}

.btn-flat-outline {
    background-color: transparent;
    color: var(--navy-900);
    border: 1.5px solid var(--border-color);
    font-weight: 600;
    padding: 0.75rem 1.6rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.btn-flat-outline:hover {
    background-color: #ffffff;
    border-color: var(--navy-500);
    color: var(--navy-500);
    transform: translateY(-1px);
}

.btn-flat-outline-light {
    background-color: transparent;
    color: #ffffff;
    border: 1.5px solid rgba(255, 255, 255, 0.25);
    font-weight: 600;
    padding: 0.75rem 1.6rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.btn-flat-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
    color: #ffffff;
    transform: translateY(-1px);
}

/* Flat Card */
.card-flat {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-flat-sm);
    transition: all 0.25s ease;
}
.card-flat:hover {
    border-color: var(--navy-300);
    box-shadow: var(--shadow-flat-md);
    transform: translateY(-3px);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar-custom {
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-custom.scrolled {
    box-shadow: var(--shadow-flat-md);
    padding: 0.75rem 0;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--navy-900) !important;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    letter-spacing: -0.03em;
}

.brand-icon {
    width: 36px;
    height: 36px;
    background: var(--navy-900);
    color: #ffffff;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
}

.nav-link {
    color: var(--navy-700) !important;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--navy-500) !important;
    background-color: rgba(37, 99, 235, 0.06);
}

/* ==========================================================================
   HERO SECTION (Navy Flat Dark Theme)
   ========================================================================== */
.hero-section {
    background-color: var(--navy-950);
    background-image: 
        radial-gradient(circle at 15% 30%, rgba(30, 74, 125, 0.35) 0%, transparent 40%),
        radial-gradient(circle at 85% 70%, rgba(37, 99, 235, 0.2) 0%, transparent 50%);
    border-bottom: 1px solid var(--border-dark);
    color: #ffffff;
    padding: 6.5rem 0 5.5rem 0;
    position: relative;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--navy-100);
    margin-bottom: 2rem;
    line-height: 1.7;
    max-width: 580px;
}

.hero-stats-box {
    background-color: var(--navy-900);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.stat-item {
    border-right: 1px solid var(--border-dark);
}
.stat-item:last-child {
    border-right: none;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--navy-400);
    line-height: 1;
    margin-bottom: 0.35rem;
}

.stat-text {
    font-size: 0.85rem;
    color: var(--navy-300);
    font-weight: 500;
}

.hero-mockup-card {
    background-color: var(--navy-900);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-dark);
}

.mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot-red { background-color: #ef4444; }
.dot-yellow { background-color: #f59e0b; }
.dot-green { background-color: #10b981; }

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-section {
    padding: 5.5rem 0;
    background-color: var(--bg-main);
}

.service-card {
    height: 100%;
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.service-icon-box {
    width: 52px;
    height: 52px;
    background-color: rgba(37, 99, 235, 0.08);
    color: var(--navy-500);
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(37, 99, 235, 0.15);
}

.service-card:hover .service-icon-box {
    background-color: var(--navy-500);
    color: #ffffff;
    border-color: var(--navy-500);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.service-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    flex-grow: 1;
}

/* ==========================================================================
   ABOUT & HIGHLIGHTS SECTION
   ========================================================================== */
.about-section {
    padding: 5.5rem 0;
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.about-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    margin-bottom: 1rem;
}

.feature-check-icon {
    width: 24px;
    height: 24px;
    background-color: rgba(16, 185, 129, 0.12);
    color: var(--color-success);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ==========================================================================
   PORTFOLIO SECTION
   ========================================================================== */
.portfolio-section {
    padding: 5.5rem 0;
    background-color: var(--bg-main);
}

.portfolio-filter-btn {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all 0.2s ease;
}

.portfolio-filter-btn:hover, .portfolio-filter-btn.active {
    background-color: var(--navy-900);
    border-color: var(--navy-900);
    color: #ffffff;
}

.portfolio-card {
    overflow: hidden;
    height: 100%;
}

.portfolio-thumb {
    position: relative;
    height: 220px;
    overflow: hidden;
    background-color: var(--navy-100);
}

.portfolio-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-thumb img {
    transform: scale(1.04);
}

.portfolio-category-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: rgba(11, 26, 48, 0.85);
    backdrop-filter: blur(4px);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
}

.portfolio-body {
    padding: 1.5rem;
}

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */
.testimonials-section {
    padding: 5.5rem 0;
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
}

.testi-card {
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testi-stars {
    color: var(--color-warning);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.testi-text {
    font-style: italic;
    color: var(--text-main);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
}

.testi-author {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.testi-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--navy-100);
}

.testi-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--navy-900);
    margin-bottom: 0.15rem;
}

.testi-role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
    padding: 5.5rem 0;
    background-color: var(--navy-950);
    color: #ffffff;
    border-top: 1px solid var(--border-dark);
}

.contact-info-card {
    background-color: var(--navy-900);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    height: 100%;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-icon-box {
    width: 44px;
    height: 44px;
    background-color: var(--navy-800);
    color: var(--navy-400);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-form-card {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    color: var(--text-main);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
}

.form-control-flat {
    background-color: var(--bg-main);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    color: var(--text-main);
    transition: all 0.2s ease;
}

.form-control-flat:focus {
    background-color: #ffffff;
    border-color: var(--navy-500);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    outline: none;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer-custom {
    background-color: #040a14;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--navy-300);
    padding: 3rem 0 2rem 0;
    font-size: 0.9rem;
}

.footer-link {
    color: var(--navy-300);
    transition: color 0.2s ease;
}
.footer-link:hover {
    color: #ffffff;
}

.social-icon-btn {
    width: 36px;
    height: 36px;
    background-color: var(--navy-900);
    color: var(--navy-300);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}
.social-icon-btn:hover {
    background-color: var(--navy-500);
    border-color: var(--navy-500);
    color: #ffffff;
}

/* ==========================================================================
   TOAST / ALERT NOTIFICATION
   ========================================================================== */
.toast-container-custom {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
}

.toast-flat {
    background-color: #ffffff;
    border-left: 4px solid var(--navy-500);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-flat-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Tweaks */
@media (max-width: 991.98px) {
    .hero-title {
        font-size: 2.35rem;
    }
    .hero-section {
        padding: 4.5rem 0 3.5rem 0;
    }
    .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border-dark);
        padding-bottom: 1rem;
        margin-bottom: 1rem;
    }
    .stat-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
        margin-bottom: 0;
    }
}