/* ==========================================================================
   THETOD STUDIO — BASE & RESET STYLES
   ========================================================================== */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-base);
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1 0 auto;
    position: relative;
    z-index: 1;
}

img, svg, picture {
    max-width: 100%;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* Ambient Background Lights */
.ambient-bg {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.ambient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    pointer-events: none;
}

.orb-gold {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--gold-primary) 0%, transparent 70%);
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
}

.orb-cyan {
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, var(--cyan-primary) 0%, transparent 70%);
    top: 35%;
    right: -100px;
}

.orb-emerald {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--emerald-primary) 0%, transparent 70%);
    bottom: 10%;
    left: -100px;
}

/* Grid & Layout Containers */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: 96px 0;
    position: relative;
    z-index: 1;
}

.section-sm {
    padding: 60px 0;
}

/* Section Headers */
.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 56px;
}

.section-header.text-left {
    text-align: left;
    margin-left: 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.text-gradient-gold {
    background: linear-gradient(135deg, #ffffff 10%, var(--gold-light) 50%, var(--gold-primary) 90%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
    background: linear-gradient(135deg, #ffffff 10%, var(--cyan-light) 50%, var(--cyan-primary) 90%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-emerald {
    background: linear-gradient(135deg, #ffffff 10%, var(--emerald-light) 50%, var(--emerald-primary) 90%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Badges & Pills */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    width: fit-content;
}

.badge-gold {
    background: rgba(245, 197, 66, 0.12);
    border: 1px solid var(--border-gold);
    color: var(--gold-light);
}

.badge-emerald {
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid var(--border-emerald);
    color: var(--emerald-light);
}

.badge-cyan {
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid var(--border-cyan);
    color: var(--cyan-light);
}

.badge-purple {
    background: rgba(168, 85, 247, 0.12);
    border: 1px solid rgba(168, 85, 247, 0.35);
    color: #c084fc;
}

.badge-pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: currentColor;
    box-shadow: 0 0 8px currentColor;
    animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.6; }
}

/* Buttons System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
    border-radius: var(--radius-md);
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold-primary) 60%, var(--gold-dark) 100%);
    color: var(--text-inverse);
    box-shadow: 0 4px 18px var(--gold-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 197, 66, 0.35);
    color: var(--text-inverse);
}

.btn-cyan {
    background: linear-gradient(135deg, var(--cyan-light) 0%, var(--cyan-primary) 60%, var(--cyan-dark) 100%);
    color: var(--text-inverse);
    box-shadow: 0 4px 18px var(--cyan-glow);
}

.btn-cyan:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(56, 189, 248, 0.35);
    color: var(--text-inverse);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-card);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--gold-primary);
    color: var(--gold-light);
    transform: translateY(-2px);
}

.btn-outline-cyan {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-cyan);
    color: var(--cyan-light);
}

.btn-outline-cyan:hover {
    background: rgba(56, 189, 248, 0.1);
    border-color: var(--cyan-light);
    transform: translateY(-2px);
}

/* Card Foundations */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card:hover {
    border-color: var(--border-card-hover);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

/* Responsive Grid Utilities */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

@media (max-width: 992px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .section { padding: 72px 0; }
}

@media (max-width: 640px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .section { padding: 56px 0; }
    .container { padding: 0 18px; }
}

/* FAQ Component (Optimized for AI & Google Rich Snippets) */
.faq-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 880px;
    margin: 0 auto;
}

.faq-card {
    background: var(--bg-card);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    transition: all var(--transition-normal);
}

.faq-card:hover {
    border-color: var(--border-gold);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.faq-question {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.faq-icon {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: rgba(245, 197, 66, 0.12);
    border: 1px solid var(--border-gold);
    color: var(--gold-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 800;
    flex-shrink: 0;
}

.faq-answer {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.7;
}

.faq-answer strong {
    color: var(--text-primary);
}