/**
 * /assets/css/landing.css
 * Premium Modern SaaS Styling & Material 3 Definitions
 */

:root {
    --md-shape-lg: 1rem;
    --md-shape-xl: 1.5rem;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.text-primary-dynamic { color: var(--md-primary) !important; }
.bg-primary-dynamic { background-color: var(--md-primary) !important; }
.bg-primary-subtle { background-color: rgba(var(--md-primary-rgb), 0.1) !important; }

/* The Smart Premium Gradient */
.bg-gradient-primary { 
    background: linear-gradient(135deg, var(--md-primary) 0%, var(--md-accent) 100%) !important; 
    position: relative;
    z-index: 1;
}
.bg-gradient-primary::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at top right, rgba(255,255,255,0.15), transparent 50%),
                radial-gradient(circle at bottom left, rgba(0,0,0,0.15), transparent 50%);
    pointer-events: none; z-index: -1;
}

.text-gradient { 
    background: linear-gradient(135deg, var(--md-primary) 0%, var(--md-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Typography & Utilities */
.tracking-tight { letter-spacing: -0.04em; }
.tracking-wide { letter-spacing: 0.15em; }
.leading-tight { line-height: 1.15; }
.section-padding { padding-top: 6rem !important; padding-bottom: 6rem !important; }
.hover-lift { transition: var(--transition-smooth); }
.hover-lift:hover { transform: translateY(-4px); }

/* Perfect Circles */
.perfect-circle {
    display: inline-flex !important; align-items: center !important; justify-content: center !important;
    border-radius: 50% !important; flex-shrink: 0 !important; aspect-ratio: 1 / 1 !important;
}

.backdrop-blur { backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }

.section-title { position: relative; display: inline-block; padding-bottom: 15px; letter-spacing: -0.02em; }
.section-title::after {
    content: ''; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
    width: 70px; height: 4px; background: linear-gradient(90deg, var(--md-primary), var(--md-accent)); border-radius: 4px;
}
.text-md-start .section-title::after { left: 0; transform: none; }

/* Scroll Reveal */
.reveal-fade-up { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.reveal-fade-up.active { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Hero Text */
.hero-text-container { min-height: 180px; }
.hero-animated-text { transition: opacity 0.5s ease, transform 0.5s ease; opacity: 1; transform: translateY(0); }
.hero-animated-text.fade-out { opacity: 0; transform: translateY(10px); }

/* Buttons */
.btn-responsive { padding: 0.85rem 2.2rem; font-size: 1.05rem; display: inline-flex; align-items: center; justify-content: center; height: 54px; transition: var(--transition-smooth); }
.btn-gradient { background: linear-gradient(135deg, var(--md-primary), var(--md-accent)); color: white !important; border: none; box-shadow: 0 4px 15px rgba(var(--md-primary-rgb), 0.3); position: relative; z-index: 1;}
.btn-gradient:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(var(--md-primary-rgb), 0.5); filter: brightness(1.1); }
.btn-glass-outline { background: transparent; border: 2px solid var(--md-primary); color: var(--md-primary); font-weight: 700; }
.btn-glass-outline:hover { background: var(--md-primary); color: white !important; transform: translateY(-3px); box-shadow: 0 8px 25px rgba(var(--md-primary-rgb), 0.2); }

/* Interactive Chips */
.chip-hover { transition: var(--transition-smooth); cursor: default; }
.chip-hover:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(var(--md-primary-rgb), 0.15) !important; border-color: var(--md-primary) !important; color: var(--md-primary) !important; }

/* Client Brand Logos */
.client-logo-item {
    filter: grayscale(100%) opacity(60%);
    transition: var(--transition-smooth);
    max-height: 40px;
    max-width: 100%;
    object-fit: contain;
}
.client-logo-item:hover { filter: grayscale(0%) opacity(100%); }
[data-bs-theme="dark"] .client-logo-item { filter: grayscale(100%) invert(100%) opacity(70%); }
[data-bs-theme="dark"] .client-logo-item:hover { filter: grayscale(0%) invert(100%) opacity(100%); }

/* Modern Cards */
.modern-card {
    background: var(--bs-body-bg); border: 1px solid var(--bs-border-color);
    border-radius: var(--md-shape-xl); transition: var(--transition-smooth);
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}
.modern-card:hover { transform: translateY(-8px); border-color: rgba(var(--md-primary-rgb), 0.3); box-shadow: 0 20px 40px rgba(0,0,0,0.06); }

.icon-box-gradient {
    background: linear-gradient(135deg, var(--md-primary), var(--md-accent));
    color: white; font-size: 1.8rem; transition: var(--transition-smooth); box-shadow: 0 8px 20px rgba(var(--md-primary-rgb), 0.3);
}

.service-card { border-top: 4px solid transparent; }
.service-card:hover { border-top-color: var(--md-primary); }

.course-card-top {
    height: 180px; display: flex; align-items: center; justify-content: center; position: relative;
    background: linear-gradient(135deg, rgba(var(--md-primary-rgb), 0.05), rgba(var(--md-accent-rgb), 0.1));
    overflow: hidden;
}
.course-card-top i.bg-icon { font-size: 4.5rem; color: var(--md-primary); transition: var(--transition-smooth); }
.modern-card:hover .course-card-top i.bg-icon { transform: scale(1.15) rotate(5deg); }

/* Timeline UI */
.timeline-container { position: relative; padding-top: 2rem; }
.timeline-line { position: absolute; top: 4.1rem; left: 5%; right: 5%; height: 3px; background: var(--bs-border-color); z-index: 1; }
.timeline-step { position: relative; z-index: 2; flex: 1; padding: 0 10px; }
.timeline-step:hover .step-circle { transform: scale(1.1); box-shadow: 0 10px 25px rgba(var(--md-primary-rgb), 0.3) !important; }

/* --- NEW FAQ OVERHAUL (Dual Column Design) --- */

.faq-category-btn {
    background-color: #0b0c10;
    color: #ffffff;
    border-radius: var(--md-shape-lg);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.05rem;
    transition: var(--transition-smooth);
    border: none;
    width: 100%;
    text-align: left;
}
.faq-category-btn:hover {
    transform: translateY(-3px);
}
.faq-category-btn.active {
    background: var(--md-primary);
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(var(--md-primary-rgb), 0.3);
}
.faq-category-btn .icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-smooth);
}
.faq-category-btn.active .icon-wrapper {
    background-color: #000000;
    color: #ffffff;
    width: 32px;
    height: 32px;
}

.faq-question-card {
    background-color: var(--bs-body-bg); /* Properly set to White in Light Mode */
    border-radius: 8px;
    margin-bottom: 0.8rem;
    border: 1px solid var(--bs-border-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    overflow: hidden;
    transition: var(--transition-smooth);
}
.faq-question-button {
    width: 100%;
    text-align: left;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: none;
    font-weight: 700;
    font-size: 1rem;
    color: var(--bs-body-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-question-button i {
    font-size: 1.1rem;
    transition: transform 0.2s ease;
}
.faq-answer-container {
    padding: 0 1.5rem 1.25rem 1.5rem;
    font-size: 0.95rem;
    color: var(--bs-body-color);
    opacity: 0.8;
    display: none;
    line-height: 1.6;
}

/* Hero Section */
.hero-section { position: relative; min-height: 90vh; overflow: hidden; background-color: var(--bs-body-bg); }
.mesh-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; overflow: hidden; z-index: 0; opacity: 0.4; }
.mesh-blob { position: absolute; filter: blur(80px); border-radius: 50%; animation: floatMesh 15s ease-in-out infinite alternate; }
.mesh-primary { top: -10%; left: -10%; width: 50vw; height: 50vw; background: rgba(var(--md-primary-rgb), 0.3); }
.mesh-accent { bottom: -20%; right: -10%; width: 60vw; height: 60vw; background: rgba(var(--md-accent-rgb), 0.2); animation-delay: -5s; }
@keyframes floatMesh { 0% { transform: translate(0, 0) scale(1); } 100% { transform: translate(10%, 10%) scale(1.2); } }

.hero-composition { position: relative; width: 100%; height: 500px; }
.glass-panel {
    position: absolute; background: rgba(var(--bs-body-bg-rgb), 0.7); border: 1px solid rgba(var(--bs-border-color-rgb), 0.5);
    border-radius: var(--md-shape-xl); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.1); animation: floatGlass 6s ease-in-out infinite; z-index: 10;
}
.float-card-1 { top: 5%; right: 0; width: 320px; animation-delay: 0s; }
.float-card-2 { bottom: 5%; left: -5%; width: 340px; animation-delay: -3s; }
.float-card-3 { top: 40%; left: -10%; width: max-content; animation-delay: -1.5s; z-index: 12; }
.float-card-4 { bottom: 35%; right: -5%; width: max-content; animation-delay: -4.5s; z-index: 12; }
@keyframes floatGlass { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }

/* Dark Mode Overrides */
[data-bs-theme="dark"] .btn-glass-outline { border-color: var(--md-accent); color: var(--md-accent); }
[data-bs-theme="dark"] .btn-glass-outline:hover { background: var(--md-accent); color: #121212 !important; box-shadow: 0 8px 25px rgba(var(--md-accent-rgb), 0.3); }
[data-bs-theme="dark"] .modern-card, [data-bs-theme="dark"] .faq-question-card { background: #16181b; border-color: #2b3035; box-shadow: 0 10px 20px rgba(0,0,0,0.2); }
[data-bs-theme="dark"] .modern-card:hover { border-color: rgba(var(--md-accent-rgb), 0.5); box-shadow: 0 20px 40px rgba(0,0,0,0.4); }
[data-bs-theme="dark"] .glass-panel { background: rgba(22, 24, 27, 0.7); border-color: rgba(255,255,255,0.1); box-shadow: 0 30px 60px rgba(0,0,0,0.5); }
[data-bs-theme="dark"] .course-card-top { background: linear-gradient(135deg, rgba(var(--md-primary-rgb), 0.1), rgba(var(--md-accent-rgb), 0.2)); }
[data-bs-theme="dark"] .hero-badge-pill { background-color: #1a1d20 !important; border-color: #2b3035 !important; }
[data-bs-theme="dark"] .faq-category-btn { background-color: #1a1d20; color: #ffffff; }
[data-bs-theme="dark"] .faq-category-btn.active { background-color: var(--md-primary); }
[data-bs-theme="dark"] .faq-category-btn.active .icon-wrapper { background-color: #121212; }
[data-bs-theme="dark"] .faq-question-button { color: #ffffff; }
[data-bs-theme="dark"] .faq-answer-container { color: #aaaaaa; }

/* Live Chat Widget */
#publicChatWidget { position: fixed; bottom: 25px; right: 25px; z-index: 1050; display: flex; flex-direction: column; align-items: flex-end; }
#chatWindow { width: 360px; height: 550px; max-height: calc(100vh - 100px); display: none; flex-direction: column; margin-bottom: 20px; transform-origin: bottom right; }
#chatWindow.open { display: flex; animation: chatPop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards; }
@keyframes chatPop { 0% { opacity: 0; transform: scale(0.8) translateY(20px); } 100% { opacity: 1; transform: scale(1) translateY(0); } }
.msg-bubble { max-width: 85%; padding: 12px 16px; border-radius: 1.2rem; font-size: 0.9rem; line-height: 1.4; box-shadow: 0 2px 5px rgba(0,0,0,0.05); }
.msg-staff { background: linear-gradient(135deg, var(--md-primary), var(--md-accent)); color: #fff; align-self: flex-start; border-bottom-left-radius: 0.3rem; }
.msg-visitor { background: var(--bs-body-bg); color: var(--bs-body-color); align-self: flex-end; border-bottom-right-radius: 0.3rem; border: 1px solid var(--bs-border-color); }

@media (max-width: 991px) {
    .hero-section { min-height: auto; padding-top: 6rem; padding-bottom: 4rem; }
    .hero-text-container { min-height: auto; }
    .text-md-start .section-title::after { left: 50%; transform: translateX(-50%); }
    .timeline-container { flex-direction: column; align-items: center; gap: 2.5rem; }
    .timeline-line { display: none; }
}
@media (max-width: 576px) {
    #chatWindow { width: calc(100vw - 40px); height: 65vh; bottom: 85px; right: 20px; position: fixed; }
}