/* ===== FLYCAM LANDING (page-specific) — global tokens & utilities in /css/dieuhanhflycam-theme.css ===== */

/* ===== HERO ===== */
.dhf-hero {
    position: relative; overflow: hidden;
    background: linear-gradient(135deg, #0a2540 0%, #0d3a6b 50%, #0061af 100%);
    color: #fff; padding: 70px 0 90px;
}
.dhf-hero::before {
    content: ""; position: absolute; inset: 0;
    background: var(--dhf-hero-bg, url("/images/slide/Slide1.PNG")) center/cover no-repeat;
    opacity: 0.55;
}
.dhf-hero::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(10,37,64,0.25) 0%, rgba(10,37,64,0.85) 100%);
}
.dhf-hero-inner { position: relative; z-index: 2; }
.dhf-hero-title {
    font-size: 3.2rem; font-weight: 800; line-height: 1.15;
    margin: 1rem 0 0.75rem; letter-spacing: 0.5px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
}
.dhf-hero-title .accent {
    background: linear-gradient(90deg, var(--dhf-sky) 0%, var(--dhf-green) 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.dhf-hero-sub {
    font-size: 1.2rem; color: #e6f2ff; max-width: 720px; line-height: 1.65;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}
.dhf-hero-badges { display: flex; flex-wrap: wrap; gap: 12px; margin: 1.75rem 0 2rem; }
.dhf-hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 18px; border-radius: 12px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.22);
    backdrop-filter: blur(10px);
    color: #fff; font-size: 0.95rem;
}
.dhf-hero-badge i { color: var(--dhf-sky); font-size: 1.1rem; }
.dhf-cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* ===== STATS BAR ===== */
.dhf-stats {
    background: #fff; margin-top: -56px; position: relative; z-index: 3;
    border-radius: 20px; padding: 28px;
    box-shadow: 0 24px 48px rgba(10, 37, 64, 0.18);
}
.dhf-stat-icon {
    width: 52px; height: 52px; border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--dhf-blue) 0%, var(--dhf-cyan) 100%);
    color: #fff; font-size: 1.4rem; margin-bottom: 8px;
}
.dhf-stat-value { font-size: 2rem; font-weight: 800; color: var(--dhf-blue); line-height: 1; }
.dhf-stat-label { color: var(--dhf-muted); font-size: 0.9rem; margin-top: 4px; }

/* ===== SECTIONS ===== */
.dhf-section { padding: 90px 0; }
.dhf-section-eyebrow {
    display: inline-block; padding: 5px 14px; border-radius: 999px;
    background: rgba(0, 97, 175, 0.1); color: var(--dhf-blue);
    font-size: 0.78rem; font-weight: 700; letter-spacing: 1px;
    text-transform: uppercase; margin-bottom: 0.85rem;
}
.dhf-section-title {
    font-size: 2.3rem; font-weight: 800; color: var(--dhf-navy); line-height: 1.25;
}
.dhf-section-title .accent { color: var(--dhf-blue); }
.dhf-section-desc {
    color: #475569; font-size: 1.05rem; line-height: 1.75;
}

/* ===== SLIDE FRAME ===== */
.dhf-slide-frame {
    position: relative; border-radius: 24px; overflow: hidden;
    box-shadow: var(--dhf-shadow-lg);
    background: #fff; transition: box-shadow .35s ease;
}
.dhf-slide-frame:hover { box-shadow: 0 28px 70px rgba(10, 37, 64, 0.28); }
.dhf-slide-frame img { display: block; width: 100%; height: auto; }
.dhf-slide-frame::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 70%, rgba(0,97,175,0.08) 100%);
    pointer-events: none;
}

/* ===== VIDEO TRIGGER (button wrapping a slide) ===== */
button.dhf-video-trigger {
    display: block; width: 100%; padding: 0; border: none;
    background: transparent; cursor: pointer; text-align: left;
}
.dhf-play-overlay {
    position: absolute; inset: 0; z-index: 2;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center; gap: 14px;
    background: linear-gradient(180deg, rgba(10, 37, 64, 0.15) 0%, rgba(10, 37, 64, 0.55) 100%);
    opacity: 0.92; transition: opacity .25s ease, background .25s ease;
}
.dhf-video-trigger:hover .dhf-play-overlay,
.dhf-video-trigger:focus-visible .dhf-play-overlay {
    opacity: 1;
    background: linear-gradient(180deg, rgba(10, 37, 64, 0.25) 0%, rgba(10, 37, 64, 0.7) 100%);
}
.dhf-play-btn {
    width: 88px; height: 88px; border-radius: 50%;
    background: linear-gradient(135deg, var(--dhf-green) 0%, var(--dhf-green-700) 100%);
    color: #fff; font-size: 2rem;
    display: inline-flex; align-items: center; justify-content: center;
    box-shadow: 0 12px 32px rgba(125, 199, 52, 0.55), 0 0 0 0 rgba(255, 255, 255, 0.45);
    position: relative;
    animation: dhfPulse 2.2s ease-out infinite;
}
.dhf-play-btn i { margin-left: 6px; }
.dhf-video-trigger:hover .dhf-play-btn,
.dhf-video-trigger:focus-visible .dhf-play-btn {
    transform: scale(1.08); transition: transform .2s ease;
}
@keyframes dhfPulse {
    0%   { box-shadow: 0 12px 32px rgba(125, 199, 52, 0.55), 0 0 0 0 rgba(123, 232, 255, 0.55); }
    70%  { box-shadow: 0 12px 32px rgba(125, 199, 52, 0.55), 0 0 0 24px rgba(123, 232, 255, 0); }
    100% { box-shadow: 0 12px 32px rgba(125, 199, 52, 0.55), 0 0 0 0 rgba(123, 232, 255, 0); }
}
.dhf-play-label {
    color: #fff; font-weight: 600; font-size: 1rem;
    padding: 6px 16px; border-radius: 999px;
    background: rgba(10, 37, 64, 0.55);
    backdrop-filter: blur(6px);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
@media (max-width: 575.98px) {
    .dhf-play-btn { width: 64px; height: 64px; font-size: 1.4rem; }
    .dhf-play-label { font-size: 0.85rem; }
}

/* ===== CINEMA MODAL ===== */
.dhf-cinema {
    position: fixed; inset: 0; z-index: 9999;
    display: none; align-items: center; justify-content: center;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(12px);
    animation: dhfFadeIn .25s ease-out;
}
.dhf-cinema.is-open { display: flex; }
@keyframes dhfFadeIn { from { opacity: 0; } to { opacity: 1; } }
.dhf-cinema-stage {
    position: relative; width: 92vw; max-width: 1280px;
    aspect-ratio: 16 / 9; max-height: 88vh;
    background: #000;
    border-radius: 14px; overflow: hidden;
    box-shadow: 0 30px 90px rgba(0, 168, 216, 0.25), 0 0 0 1px rgba(123, 232, 255, 0.15);
}
.dhf-cinema-stage video {
    width: 100%; height: 100%; display: block; background: #000;
}
.dhf-cinema-close {
    position: absolute; top: -52px; right: 0;
    width: 44px; height: 44px; border-radius: 50%;
    border: none; cursor: pointer;
    background: rgba(255, 255, 255, 0.1);
    color: #fff; font-size: 1.2rem;
    display: inline-flex; align-items: center; justify-content: center;
    transition: background .2s ease, transform .2s ease;
}
.dhf-cinema-close:hover, .dhf-cinema-close:focus-visible {
    background: rgba(255, 255, 255, 0.22); transform: scale(1.08);
}
body.dhf-cinema-lock { overflow: hidden; }
@media (max-width: 575.98px) {
    .dhf-cinema-stage { width: 96vw; border-radius: 8px; }
    .dhf-cinema-close { top: -48px; right: 4px; }
}
@media (prefers-reduced-motion: reduce) {
    .dhf-play-btn { animation: none; }
    .dhf-cinema { animation: none; }
}

/* ===== FEATURE LIST ===== */
.dhf-flist { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.dhf-flist li {
    display: flex; gap: 12px; padding: 12px 0;
    border-bottom: 1px solid rgba(0, 97, 175, 0.08);
}
.dhf-flist li:last-child { border-bottom: none; }
.dhf-flist i {
    width: 36px; height: 36px; border-radius: 10px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--dhf-blue) 0%, var(--dhf-cyan) 100%);
    color: #fff;
}
.dhf-flist strong { display: block; color: var(--dhf-navy); margin-bottom: 2px; }
.dhf-flist span.txt { color: var(--dhf-muted); font-size: 0.95rem; line-height: 1.55; }

/* ===== ALT BG ===== */
.dhf-bg-light { background: linear-gradient(180deg, #f8fbff 0%, #eef5fc 100%); }
.dhf-bg-dark {
    background:
        radial-gradient(ellipse at 30% 30%, rgba(123,232,255,0.18) 0%, transparent 55%),
        linear-gradient(135deg, var(--dhf-navy) 0%, #0d3a6b 100%);
    color: #fff;
}
.dhf-bg-dark .dhf-section-title { color: #fff; }
.dhf-bg-dark .dhf-section-title .accent { color: var(--dhf-sky); }
.dhf-bg-dark .dhf-section-desc { color: #cfe6ff; }
.dhf-bg-dark .dhf-section-eyebrow {
    background: rgba(123, 232, 255, 0.15); color: var(--dhf-sky);
}
.dhf-bg-dark .dhf-flist li { border-bottom-color: rgba(255,255,255,0.12); }
.dhf-bg-dark .dhf-flist strong { color: #fff; }
.dhf-bg-dark .dhf-flist span.txt { color: #b8d4ee; }

/* ===== STRATEGY CHIPS ===== */
.dhf-chip-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.5rem; }
.dhf-chip {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 16px; border-radius: 999px;
    background: rgba(255,255,255,0.85);
    border: 1px solid rgba(0, 97, 175, 0.18);
    color: var(--dhf-navy); font-weight: 600; font-size: 0.9rem;
    backdrop-filter: blur(4px);
}
.dhf-chip i { color: var(--dhf-cyan); }
.dhf-bg-dark .dhf-chip {
    background: rgba(255,255,255,0.08); color: #fff;
    border-color: rgba(255,255,255,0.22);
}
.dhf-bg-dark .dhf-chip i { color: var(--dhf-sky); }

/* ===== CLOSING CTA ===== */
.dhf-cta-section {
    background:
        radial-gradient(ellipse at 30% 50%, rgba(123,232,255,0.28) 0%, transparent 60%),
        linear-gradient(135deg, var(--dhf-navy) 0%, var(--dhf-blue) 100%);
    color: #fff; text-align: center; padding: 100px 0;
}
.dhf-cta-section h2 { font-size: 2.6rem; font-weight: 800; }
.dhf-cta-section h2 .accent {
    background: linear-gradient(90deg, var(--dhf-sky) 0%, var(--dhf-green) 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.dhf-cta-section p { font-size: 1.18rem; color: #cfe6ff; max-width: 760px; margin: 0.75rem auto 2rem; }

/* ===== ANCHOR WRAPPERS (item.Url → render <a> instead of <span>/<div>) ===== */
a.dhf-hero-badge,
a.dhf-chip,
a.dhf-feature-card,
a.dhf-process-step,
a.dhf-testimonial-card,
a.dhf-stat-link,
.dhf-flist a.dhf-flist-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
    display: block;
}
a.dhf-hero-badge, a.dhf-chip { display: inline-flex; }
a.dhf-stat-link { color: inherit; }
a.dhf-stat-link:hover .dhf-stat-icon { transform: translateY(-2px); transition: transform .2s ease; }
a.dhf-hero-badge:hover, a.dhf-chip:hover { transform: translateY(-1px); transition: transform .15s ease; }
.dhf-flist a.dhf-flist-link strong { color: var(--dhf-navy); }
.dhf-flist a.dhf-flist-link:hover strong { color: var(--dhf-blue); }
.dhf-bg-dark .dhf-flist a.dhf-flist-link strong { color: #fff; }
.dhf-bg-dark .dhf-flist a.dhf-flist-link:hover strong { color: var(--dhf-sky); }
.dhf-faq-link { color: var(--dhf-blue); font-weight: 600; text-decoration: none; }
.dhf-faq-link:hover { text-decoration: underline; }

/* ===== FAQ ===== */
.dhf-faq .dhf-faq-item {
    border: 1px solid rgba(0, 97, 175, 0.12);
    border-radius: 14px; margin-bottom: 12px; overflow: hidden;
    background: #fff;
}
.dhf-faq .accordion-button {
    font-weight: 600; color: var(--dhf-navy); padding: 18px 22px;
    background: #fff; box-shadow: none;
}
.dhf-faq .accordion-button:not(.collapsed) {
    background: rgba(0, 97, 175, 0.06); color: var(--dhf-blue);
}
.dhf-faq .accordion-button:focus { box-shadow: none; }
.dhf-faq .accordion-body { color: #475569; line-height: 1.7; padding: 0 22px 20px; }
.dhf-bg-dark .dhf-faq .dhf-faq-item { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.12); }
.dhf-bg-dark .dhf-faq .accordion-button { background: transparent; color: #fff; }
.dhf-bg-dark .dhf-faq .accordion-button:not(.collapsed) { background: rgba(123,232,255,0.1); color: var(--dhf-sky); }
.dhf-bg-dark .dhf-faq .accordion-body { color: #cfe6ff; }

/* ===== PROCESS ===== */
.dhf-process-step {
    background: #fff; border-radius: 18px; padding: 28px 22px;
    text-align: center; position: relative;
    box-shadow: 0 8px 24px rgba(10, 37, 64, 0.08);
    transition: transform .25s ease, box-shadow .25s ease;
}
.dhf-process-step:hover { transform: translateY(-4px); box-shadow: 0 14px 36px rgba(10, 37, 64, 0.14); }
.dhf-process-number {
    position: absolute; top: -18px; left: 50%; transform: translateX(-50%);
    width: 44px; height: 44px; border-radius: 50%;
    background: linear-gradient(135deg, var(--dhf-blue) 0%, var(--dhf-cyan) 100%);
    color: #fff; font-weight: 800; font-size: 1.2rem;
    display: inline-flex; align-items: center; justify-content: center;
    box-shadow: 0 6px 16px rgba(0,97,175,0.35);
}
.dhf-process-icon {
    width: 56px; height: 56px; border-radius: 14px; margin: 18px auto 12px;
    background: rgba(0, 97, 175, 0.08); color: var(--dhf-blue);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
}
.dhf-process-title { font-weight: 700; color: var(--dhf-navy); margin-bottom: 6px; font-size: 1.05rem; }
.dhf-process-text { color: var(--dhf-muted); font-size: 0.95rem; line-height: 1.55; margin: 0; }
.dhf-bg-dark .dhf-process-step { background: rgba(255,255,255,0.06); }
.dhf-bg-dark .dhf-process-title { color: #fff; }
.dhf-bg-dark .dhf-process-text { color: #cfe6ff; }
.dhf-bg-dark .dhf-process-icon { background: rgba(123,232,255,0.12); color: var(--dhf-sky); }

/* ===== PRICING ===== */
.dhf-pricing-card {
    background: #fff; border-radius: 20px; padding: 32px 26px;
    text-align: center; position: relative;
    box-shadow: 0 10px 28px rgba(10, 37, 64, 0.08);
    border: 1px solid rgba(0, 97, 175, 0.08);
    transition: transform .25s ease, box-shadow .25s ease;
}
.dhf-pricing-card.is-popular {
    border: 2px solid var(--dhf-blue);
    box-shadow: 0 16px 40px rgba(0, 97, 175, 0.22);
    transform: translateY(-8px);
}
.dhf-pricing-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(90deg, var(--dhf-green) 0%, var(--dhf-cyan) 100%);
    color: #fff; padding: 5px 14px; border-radius: 999px;
    font-size: 0.75rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
}
.dhf-pricing-name { font-size: 1.1rem; font-weight: 700; color: var(--dhf-navy); margin-bottom: 8px; }
.dhf-pricing-price { font-size: 2.4rem; font-weight: 800; color: var(--dhf-blue); margin-bottom: 20px; line-height: 1.1; }
.dhf-pricing-features { list-style: none; padding: 0; margin: 0 0 12px; text-align: left; }
.dhf-pricing-features li {
    padding: 8px 0; color: #475569; font-size: 0.95rem;
    border-bottom: 1px solid rgba(0,97,175,0.06);
}
.dhf-pricing-features li:last-child { border-bottom: none; }
.dhf-pricing-features li i { color: var(--dhf-green); margin-right: 8px; }

/* ===== TESTIMONIALS ===== */
.dhf-testimonial-card {
    background: #fff; border-radius: 18px; padding: 28px;
    box-shadow: 0 8px 24px rgba(10, 37, 64, 0.08);
    position: relative;
}
.dhf-testimonial-quote-icon { color: var(--dhf-cyan); font-size: 1.6rem; opacity: 0.6; margin-bottom: 10px; }
.dhf-testimonial-text { color: #334155; line-height: 1.7; font-style: italic; margin-bottom: 18px; }
.dhf-testimonial-author { display: flex; align-items: center; gap: 12px; }
.dhf-testimonial-avatar {
    width: 48px; height: 48px; border-radius: 50%; object-fit: cover;
    background: linear-gradient(135deg, var(--dhf-blue) 0%, var(--dhf-cyan) 100%);
}
.dhf-testimonial-avatar-icon {
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff; font-size: 1.3rem;
}
.dhf-testimonial-name { font-weight: 700; color: var(--dhf-navy); font-size: 0.98rem; }
.dhf-testimonial-role { color: var(--dhf-muted); font-size: 0.85rem; }
.dhf-bg-dark .dhf-testimonial-card { background: rgba(255,255,255,0.06); }
.dhf-bg-dark .dhf-testimonial-text { color: #e6f2ff; }
.dhf-bg-dark .dhf-testimonial-name { color: #fff; }
.dhf-bg-dark .dhf-testimonial-role { color: #b8d4ee; }

/* ===== FEATURES GRID ===== */
.dhf-feature-card {
    background: #fff; border-radius: 18px; padding: 28px;
    box-shadow: 0 8px 24px rgba(10, 37, 64, 0.06);
    transition: transform .25s ease, box-shadow .25s ease;
}
.dhf-feature-card:hover { transform: translateY(-4px); box-shadow: 0 14px 36px rgba(10, 37, 64, 0.14); }
.dhf-feature-card-icon {
    width: 56px; height: 56px; border-radius: 14px;
    background: linear-gradient(135deg, var(--dhf-blue) 0%, var(--dhf-cyan) 100%);
    color: #fff; font-size: 1.6rem; margin-bottom: 16px;
    display: inline-flex; align-items: center; justify-content: center;
}
.dhf-feature-card-title { font-weight: 700; color: var(--dhf-navy); margin-bottom: 8px; font-size: 1.1rem; }
.dhf-feature-card-text { color: var(--dhf-muted); line-height: 1.65; margin: 0; }
.dhf-bg-dark .dhf-feature-card { background: rgba(255,255,255,0.06); }
.dhf-bg-dark .dhf-feature-card-title { color: #fff; }
.dhf-bg-dark .dhf-feature-card-text { color: #cfe6ff; }

/* ===== RESPONSIVE ===== */
@media (max-width: 991.98px) {
    .dhf-hero { padding: 50px 0 70px; }
    .dhf-hero-title { font-size: 2.1rem; }
    .dhf-section { padding: 56px 0; }
    .dhf-section-title { font-size: 1.7rem; }
    .dhf-stats { margin-top: -32px; padding: 20px; }
    .dhf-stat-value { font-size: 1.5rem; }
    .dhf-cta-section { padding: 60px 0; }
    .dhf-cta-section h2 { font-size: 1.7rem; }
}
@media (max-width: 575.98px) {
    .dhf-hero-title { font-size: 1.6rem; }
    .dhf-hero-sub { font-size: 1rem; }
}