/* ================================================================== */
/*  ASGARD — Light Corporate Theme (blue/gray accent)                 */
/*  Renk Paleti: Light Gray / White / Blue                            */
/* ================================================================== */

/* --- Variables --- */
:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-dark: #2563eb;
    --accent-light: rgba(59, 130, 246, 0.08);
    --border: rgba(203, 213, 225, 0.6);
    --border-light: rgba(203, 213, 225, 0.3);
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-hover: rgba(255, 255, 255, 0.95);
    --glow: rgba(59, 130, 246, 0.04);
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* --- Scroll Reveal --- */
.reveal {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }

/* --- Section scroll offset for sticky header --- */
section[id] {
    scroll-margin-top: 128px;
}

/* --- Glass Card --- */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.glass-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg,
        rgba(59, 130, 246, 0.08) 0%,
        transparent 50%,
        rgba(59, 130, 246, 0.03) 100%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}
.glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.25);
    background: var(--card-hover);
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.08),
                0 0 40px -20px rgba(59, 130, 246, 0.06);
}

/* --- Feature Card --- */
.feature-card-compact {
    position: relative;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(59, 130, 246, 0.12);
    border-radius: 0.75rem;
    padding: 1.25rem;
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    overflow: visible;
    box-shadow: 0 4px 12px -6px rgba(0, 0, 0, 0.06);
}
.feature-card-compact::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.4), transparent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.5s ease;
}
.feature-card-compact:hover {
    border-color: rgba(59, 130, 246, 0.3);
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-3px);
    box-shadow: 0 12px 24px -10px rgba(0, 0, 0, 0.1);
}
.feature-card-compact:hover::after {
    transform: scaleX(1);
}
.feature-card-compact .icon {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 0.375rem;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.625rem;
}
.feature-card-compact .icon svg {
    width: 0.75rem;
    height: 0.75rem;
    color: var(--accent);
}
.feature-card-compact h4 {
    color: #0f172a;
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}
.feature-card-compact p {
    color: #64748b;
    font-size: 0.75rem;
    line-height: 1.6;
}

/* --- Grid Pattern --- */
.grid-pattern {
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px),
        linear-gradient(to right, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
    background-size: 48px 48px;
}

/* --- Floating Animation --- */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.float-anim {
    animation: float 5s ease-in-out infinite;
}

/* --- Pulse Dot --- */
@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}
.pulse-dot {
    animation: pulse-dot 2s ease-in-out infinite;
}

/* --- Accordion --- */
.accordion-item .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                opacity 0.3s ease,
                padding 0.3s ease;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
}
.accordion-item.open .faq-answer {
    max-height: 300px;
    opacity: 1;
    padding-top: 1rem;
    padding-bottom: 1.25rem;
}
.accordion-item.open .faq-chevron {
    transform: rotate(180deg);
}
.faq-chevron {
    transition: transform 0.3s ease;
}
.accordion-trigger {
    font-family: inherit;
}

/* --- CTA Gradient Border --- */
.cta-border {
    position: relative;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.04), transparent 50%);
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.4s ease;
}
.cta-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg,
        rgba(59, 130, 246, 0.15) 0%,
        transparent 50%,
        rgba(59, 130, 246, 0.04) 100%
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}
.cta-border:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.08);
    border-color: rgba(59, 130, 246, 0.2);
}

/* --- Mobile Menu --- */
#mobile-menu {
    transition: max-height 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                opacity 0.3s ease;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}
#mobile-menu.open {
    max-height: 400px;
    opacity: 1;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.2);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(59, 130, 246, 0.35);
}

/* --- Selection --- */
::selection {
    background: rgba(59, 130, 246, 0.2);
    color: #1e3a8a;
}

/* --- Gradient Text --- */
.text-gradient {
    background: linear-gradient(135deg, #60a5fa, #2563eb);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- Glass Effect Helper --- */
.glass-effect {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(203, 213, 225, 0.4);
}

/* --- Header text helper --- */
.header-logo-text {
    color: #0f172a;
}