/* ==========================================================================
   FAQ — AmberNord

   Scope: .faq-page-container and all children.

   Depends on: main.css tokens — --color-gold, --color-bg, --color-text,
   --color-border-gold, --color-surface, --nav-height, --font-serif,
   --font-sans, --container-pad, --t-fast, --t-slow

   ========================================================================== */

/* --------------------------------------------------------------------------
   ENTRANCE ANIMATION

   Keyframe + animation applied to the root container on page load.
   -------------------------------------------------------------------------- */

@keyframes faqReveal {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq-page-container {
    padding: calc(var(--nav-height) + 60px) 0 120px;
    position: relative;
    z-index: 10;
    animation: faqReveal 1.2s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
    background-color: var(--color-bg);
    color: var(--color-text);
}

/* --------------------------------------------------------------------------
   LAYOUT WRAPPER

   Constrains content width and centres it.
   -------------------------------------------------------------------------- */

.faq-container {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--container-pad);
}

/* --------------------------------------------------------------------------
   PAGE HEADER

   Centred subtitle + h1 with muted second line.
   -------------------------------------------------------------------------- */

.faq-header {
    text-align: center;
    margin-bottom: 60px;
}

.faq-premium-subtitle {
    color: var(--color-gold);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 15px;
}

.faq-heading {
    font-size: clamp(28px, 4vw, 36px);
    line-height: 1.2;
    margin: 0;
    color: var(--color-text);
    font-family: var(--font-serif);
    font-weight: 400;
}

.faq-heading__muted {
    color: #b0b0b0;
}

/* --------------------------------------------------------------------------
   CATEGORY LABELS

   Gold uppercase dividers between question groups.
   -------------------------------------------------------------------------- */

.faq-category {
    color: var(--color-gold);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-top: 80px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(237, 163, 35, 0.4);
    padding-bottom: 12px;
}

/* --------------------------------------------------------------------------
   ACCORDION ITEMS

   Each item wraps a button trigger and an animated answer wrapper.
   -------------------------------------------------------------------------- */

.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: border-color var(--t-slow) ease;
}

.faq-item.active {
    border-bottom: 1px solid rgba(237, 163, 35, 0.5);
}

/* --------------------------------------------------------------------------
   ACCORDION BUTTON

   Full-width trigger row with question text and +/× icon.
   -------------------------------------------------------------------------- */

.faq-btn {
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.faq-question {
    color: var(--color-text);
    margin: 0;
    font-size: 18px;
    font-weight: 400;
    font-family: var(--font-sans);
    transition: color var(--t-fast) ease;
    padding-right: 20px;
    line-height: 1.4;
}

.faq-btn:hover .faq-question,
.faq-item.active .faq-question {
    color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   ACCORDION ICON

   SVG plus sign that rotates to a cross when item is active.
   -------------------------------------------------------------------------- */

.faq-icon {
    color: var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

/* --------------------------------------------------------------------------
   ACCORDION ANSWER

   Height-animated wrapper + padded inner content.
   -------------------------------------------------------------------------- */

.faq-answer-wrapper {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.faq-answer-content {
    padding-bottom: 30px;
    padding-right: 40px;
    color: #d0d0d0;
    font-size: 16px;
    font-weight: 300;
    line-height: 1.8;
}

.faq-answer-content p {
    margin: 0;
}

/* --------------------------------------------------------------------------
   FOOTER CTA

   Centred contact prompt + gold pill button.
   -------------------------------------------------------------------------- */

.faq-footer {
    text-align: center;
    margin-top: 100px;
    padding-top: 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.faq-footer p {
    color: #b0b0b0;
    margin-bottom: 30px;
    font-size: 16px;
    font-weight: 300;
    line-height: 1.8;
}

.faq-footer__link {
    color: var(--color-gold);
    text-decoration: none;
    border-bottom: 1px solid var(--color-gold);
    transition: opacity var(--t-fast) ease;
}

.faq-footer__link:hover {
    opacity: 0.8;
}

.faq-footer__cta {
    background: var(--color-gold);
    color: #000000;
    border: none;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(237, 163, 35, 0.3);
    padding: 16px 45px;
    font-size: 16px;
    font-weight: 600;
    font-family: var(--font-sans);
    text-decoration: none;
    display: inline-block;
    transition: background var(--t-fast) ease, box-shadow var(--t-fast) ease, transform var(--t-fast) ease;
    cursor: pointer;
}

.faq-footer__cta:hover {
    background: #f5b53f;
    box-shadow: 0 6px 20px rgba(237, 163, 35, 0.4);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   SCROLL REVEAL

   JS adds .about-reveal to target elements, then uses IntersectionObserver
   to toggle .is-visible as they enter the viewport.
   -------------------------------------------------------------------------- */

.about-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.about-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------------------------------------------------
   RESPONSIVE

   Mobile breakpoints: 991px (tablet), 768px (mobile).
   -------------------------------------------------------------------------- */

@media (max-width: 991px) {
    .faq-heading {
        font-size: clamp(24px, 3vw, 30px);
    }
}

@media (max-width: 768px) {
    .faq-page-container {
        padding-top: calc(var(--nav-height) + 40px);
    }

    .faq-btn {
        padding: 20px 0;
    }

    .faq-question {
        font-size: 16px;
    }

    .faq-answer-content {
        font-size: 15px;
        padding-right: 20px;
    }

    .faq-category {
        margin-top: 60px;
    }

    .faq-footer__cta {
        padding: 14px 35px;
        font-size: 15px;
    }
}