/* Explain: Styles for UI components like buttons, cards, and typography. */
.brand-bar {
    height: 4px;
    width: 100%;
    background: linear-gradient(90deg, var(--pink) 0%, var(--purple) 50%, var(--teal) 100%);
}

.site-header {
    background: var(--nav-bg);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}

.font-heading {
    font-family: var(--font-heading);
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--slate-soft);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.section-kicker::before {
    display: inline-block;
    width: 2rem;
    height: 2px;
    background: linear-gradient(90deg, var(--pink), var(--purple));
    content: "";
}

.text-accent {
    color: var(--pink);
}

/* Buttons */
.btn-brand {
    border: 0;
    background-color: var(--pink);
    color: #FFFFFF;
    box-shadow: var(--shadow-button);
    transition: transform 300ms ease, box-shadow 300ms ease, background-color 300ms ease;
}

.btn-brand:hover,
.btn-brand:focus-visible {
    background-color: var(--pink-ink);
    box-shadow: 0 18px 40px rgba(255, 45, 139, 0.32);
    transform: translateY(-2px);
}

.btn-line {
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--slate);
    transition: border-color 300ms ease, background-color 300ms ease, color 300ms ease;
}

.btn-line:hover,
.btn-line:focus-visible {
    border-color: var(--slate);
    background-color: var(--slate);
    color: #FFFFFF;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--slate);
    font-weight: 600;
    transition: color 300ms ease, gap 300ms ease;
}

.link-arrow:hover,
.link-arrow:focus-visible {
    color: var(--pink);
    gap: 0.85rem;
}

/* Accent tokens */
.accent-pink {
    --card-accent: var(--pink);
    --card-tint: rgba(255, 45, 139, 0.12);
}

.accent-purple {
    --card-accent: var(--purple);
    --card-tint: rgba(123, 63, 228, 0.12);
}

.accent-teal {
    --card-accent: var(--teal);
    --card-tint: rgba(14, 154, 167, 0.14);
}

.accent-green {
    --card-accent: var(--green);
    --card-tint: rgba(34, 160, 107, 0.14);
}

.accent-yellow {
    --card-accent: var(--yellow-ink);
    --card-tint: rgba(242, 183, 5, 0.18);
}

/* Service cards */
.service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    border-radius: 1.75rem;
    background:
        linear-gradient(150deg, var(--card-tint, rgba(123, 63, 228, 0.12)) 0%, rgba(253, 252, 250, 0) 62%),
        var(--warm-white);
    padding: 2rem;
    box-shadow: 0 12px 32px rgba(34, 53, 78, 0.05);
    transition: transform 300ms ease, box-shadow 300ms ease, border-color 300ms ease;
}

.service-card:hover {
    border-color: var(--card-accent, var(--purple));
    box-shadow: 0 26px 60px rgba(34, 53, 78, 0.12);
    transform: translateY(-6px);
}

.service-icon {
    display: inline-flex;
    width: 3.25rem;
    height: 3.25rem;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    background: var(--card-tint, rgba(123, 63, 228, 0.12));
    color: var(--card-accent, var(--purple));
    font-size: 1.25rem;
}

/* Detailed service panels (Services page) */
.service-detail {
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    background:
        linear-gradient(150deg, var(--card-tint, rgba(123, 63, 228, 0.12)) 0%, rgba(253, 252, 250, 0) 58%),
        var(--warm-white);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    box-shadow: 0 12px 32px rgba(34, 53, 78, 0.05);
    transition: box-shadow 300ms ease, border-color 300ms ease;
}

.service-detail:hover {
    border-color: var(--card-accent, var(--purple));
    box-shadow: 0 26px 60px rgba(34, 53, 78, 0.10);
}

/* Problem cards */
.problem-card {
    border-top: 3px solid var(--card-accent, var(--purple));
    border-radius: 0 0 1.5rem 1.5rem;
    background:
        linear-gradient(170deg, var(--card-tint, rgba(123, 63, 228, 0.12)) 0%, rgba(253, 252, 250, 0) 70%),
        var(--warm-white);
    padding: 1.75rem 1.5rem;
    box-shadow: 0 12px 32px rgba(34, 53, 78, 0.06);
}

.problem-icon {
    display: inline-flex;
    width: 2.75rem;
    height: 2.75rem;
    align-items: center;
    justify-content: center;
    border-radius: 0.9rem;
    background: var(--card-tint, rgba(123, 63, 228, 0.12));
    color: var(--card-accent, var(--purple));
    font-size: 1.1rem;
}

/* Approach panel */
.approach-panel {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 2.5rem;
    background:
        radial-gradient(circle at 88% 12%, rgba(255, 45, 139, 0.10), transparent 22rem),
        radial-gradient(circle at 6% 88%, rgba(14, 154, 167, 0.12), transparent 22rem),
        linear-gradient(160deg, #FBF6EF 0%, #F1ECF8 100%);
}

.principle-bar {
    display: block;
    width: 3rem;
    height: 4px;
    margin-bottom: 1.25rem;
    border-radius: 999px;
    background: var(--card-accent, var(--purple));
}

/* Option cards (who I work with) */
.option-card {
    display: flex;
    gap: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    background:
        linear-gradient(150deg, var(--card-tint, rgba(123, 63, 228, 0.12)) 0%, rgba(253, 252, 250, 0) 65%),
        var(--warm-white);
    padding: 1.5rem;
    transition: transform 300ms ease, box-shadow 300ms ease;
}

.option-card:hover {
    box-shadow: 0 20px 44px rgba(34, 53, 78, 0.10);
    transform: translateY(-4px);
}

.option-icon {
    display: inline-flex;
    flex: 0 0 auto;
    width: 2.75rem;
    height: 2.75rem;
    align-items: center;
    justify-content: center;
    border-radius: 0.9rem;
    background: var(--card-tint, rgba(123, 63, 228, 0.12));
    color: var(--card-accent, var(--purple));
    font-size: 1.1rem;
}

/* Challenge question cards */
.question-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    border-radius: 1.5rem;
    background:
        linear-gradient(160deg, var(--card-tint, rgba(123, 63, 228, 0.10)) 0%, rgba(255, 255, 255, 0) 58%),
        #FFFFFF;
    padding: 1.75rem;
    box-shadow: 0 14px 34px rgba(34, 53, 78, 0.07);
    transition: transform 300ms ease, box-shadow 300ms ease, border-color 300ms ease;
}

.question-card:hover {
    border-color: var(--card-accent, var(--purple));
    box-shadow: 0 24px 52px rgba(34, 53, 78, 0.11);
    transform: translateY(-4px);
}

.question-icon {
    display: inline-flex;
    width: 3rem;
    height: 3rem;
    align-items: center;
    justify-content: center;
    border-radius: 0.9rem;
    background: var(--card-tint, rgba(123, 63, 228, 0.12));
    color: var(--card-accent, var(--purple));
    font-size: 1.15rem;
}

.challenge-cta {
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    background:
        radial-gradient(circle at 90% 14%, rgba(255, 45, 139, 0.10), transparent 22rem),
        radial-gradient(circle at 6% 88%, rgba(14, 154, 167, 0.12), transparent 22rem),
        linear-gradient(160deg, #FBF6EF 0%, #F1ECF8 100%);
    padding: clamp(1.75rem, 4vw, 3rem);
    box-shadow: var(--shadow-soft);
}

/* Portraits */
.hero-portrait,
.about-portrait {
    position: relative;
    z-index: 1;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--surface-color);
    box-shadow: var(--shadow-soft);
}

.hero-portrait {
    height: min(70vh, 620px);
    min-height: 440px;
    border-radius: 999px 999px 2rem 2rem;
}

.about-portrait {
    height: min(60vh, 540px);
    min-height: 360px;
    border-radius: 2rem;
}

.hero-portrait-img {
    object-position: center 18%;
}

.about-frame {
    position: absolute;
    inset: 1.5rem -1.5rem -1.5rem 1.5rem;
    z-index: 0;
    border-radius: 2rem;
    background: linear-gradient(140deg, rgba(123, 63, 228, 0.12), rgba(255, 45, 139, 0.12));
}

/* Form */
.contact-form {
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    background:
        radial-gradient(circle at 88% 6%, rgba(255, 45, 139, 0.10), transparent 16rem),
        radial-gradient(circle at 4% 96%, rgba(14, 154, 167, 0.12), transparent 16rem),
        radial-gradient(circle at 50% 52%, rgba(123, 63, 228, 0.06), transparent 22rem),
        var(--warm-white);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    box-shadow: var(--shadow-soft);
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--slate);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.form-status.success {
    color: var(--green-ink);
}

.form-status.error {
    color: #C0392B;
}

/* Brand dots */
.brand-dot {
    display: inline-block;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 999px;
}

@media (max-width: 767px) {
    .section-kicker::before {
        width: 1.5rem;
    }

    .hero-portrait,
    .about-portrait {
        height: 460px;
        min-height: 0;
    }

    .about-frame {
        display: none;
    }
}

/* Booking time slots */
.slot-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: var(--warm-white);
    color: var(--slate);
    font-size: 0.875rem;
    font-weight: 600;
    transition: border-color 300ms ease, background-color 300ms ease, color 300ms ease;
}

.slot-btn:hover:not(:disabled) {
    border-color: var(--pink);
    color: var(--pink);
}

.slot-btn.is-selected {
    border-color: var(--pink);
    background: var(--pink);
    color: #FFFFFF;
}

.slot-btn:disabled {
    cursor: not-allowed;
    border-color: var(--border-color);
    background: var(--surface-alt);
    color: var(--text-muted);
    text-decoration: line-through;
    opacity: 0.7;
}