/**
 * Trang Giải pháp (/giai-phap) — xanh lá + gradient + hiệu ứng (scoped .page-giai-phap, đồng bộ --color-primary)
 */
.page-giai-phap {
    --gp-brand: var(--color-primary, #2e7d32);
    --gp-brand-dark: #1b5e20;
    --gp-brand-mid: #388e3c;
    --gp-brand-light: #66bb6a;
    --gp-mint: #e8f5e9;
    --gp-bg: #0d2818;
    --gp-surface: #f4faf4;
    --gp-card: #ffffff;
    --gp-ink: #142018;
    --gp-muted: #3d5244;
    --gp-radius: 20px;
    --gp-shadow: 0 24px 60px rgba(20, 60, 30, 0.12);
    --gp-shadow-sm: 0 10px 30px rgba(20, 60, 30, 0.08);
    color: var(--gp-ink);
    background: linear-gradient(180deg, var(--gp-mint) 0%, var(--gp-surface) 40%, #eef7ef 100%);
    overflow-x: hidden;
}

/* —— Hero —— */
.page-gp-hero {
    position: relative;
    padding: clamp(52px, 10vw, 120px) 0 clamp(48px, 8vw, 96px);
    color: #e2e8f0;
    overflow: hidden;
}

.page-gp-hero__aurora {
    position: absolute;
    inset: -20% -10% auto -10%;
    height: 120%;
    background:
        radial-gradient(ellipse 80% 50% at 18% 18%, color-mix(in srgb, var(--gp-brand) 55%, transparent), transparent 52%),
        radial-gradient(ellipse 65% 48% at 82% 28%, rgba(102, 187, 106, 0.35), transparent 48%),
        radial-gradient(ellipse 55% 42% at 48% 88%, color-mix(in srgb, var(--gp-brand-dark) 45%, transparent), transparent 52%),
        linear-gradient(165deg, #0d2818 0%, #14532d 38%, #166534 72%, #1b5e20 100%);
    animation: gp-aurora-shift 16s ease-in-out infinite alternate;
}

@keyframes gp-aurora-shift {
    0% {
        filter: saturate(1) brightness(1);
        transform: scale(1) translate3d(0, 0, 0);
    }
    100% {
        filter: saturate(1.15) brightness(1.05);
        transform: scale(1.025) translate3d(-0.5%, 0.8%, 0);
    }
}

.page-gp-hero__grid {
    position: absolute;
    inset: 0;
    opacity: 0.4;
    background-image:
        linear-gradient(color-mix(in srgb, var(--gp-brand-light) 22%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--gp-brand-light) 18%, transparent) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(180deg, #000 0%, transparent 92%);
    animation: gp-grid-drift 22s linear infinite;
}

@keyframes gp-grid-drift {
    0% {
        background-position: 0 0, 0 0;
    }
    100% {
        background-position: 56px 56px, 56px 56px;
    }
}

.page-gp-hero__inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(28px, 5vw, 56px);
    align-items: center;
}

.page-gp-hero__copy {
    min-width: 0;
}

.page-gp-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px 8px 12px;
    margin: 0 0 20px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #c8e6c9;
    background: color-mix(in srgb, var(--gp-brand) 22%, transparent);
    border: 1px solid color-mix(in srgb, var(--gp-brand-light) 45%, transparent);
    border-radius: 999px;
    box-shadow: 0 0 28px color-mix(in srgb, var(--gp-brand) 35%, transparent);
}

.page-gp-hero__title {
    margin: 0 0 18px;
    font-size: clamp(30px, 4.2vw, 52px);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.08;
    color: #f8fafc;
}

.page-gp-hero__title span {
    background: linear-gradient(105deg, #c8e6c9 0%, #81c784 35%, #fff 95%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.page-gp-hero__lead {
    margin: 0 0 28px;
    max-width: 560px;
    font-size: clamp(15px, 1.12vw, 17px);
    line-height: 1.75;
    color: #cbd5e1;
}

.page-gp-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.page-gp-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-decoration: none;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-gp-btn--primary {
    color: #fff;
    background: linear-gradient(135deg, var(--gp-brand) 0%, var(--gp-brand-dark) 50%, var(--gp-brand-mid) 100%);
    box-shadow: 0 12px 40px color-mix(in srgb, var(--gp-brand-dark) 45%, transparent), 0 0 0 1px color-mix(in srgb, var(--gp-brand-light) 35%, transparent) inset;
}

.page-gp-btn--primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 18px 48px color-mix(in srgb, var(--gp-brand) 50%, transparent), 0 0 0 1px rgba(255, 255, 255, 0.15) inset;
}

.page-gp-btn--ghost {
    color: #e8f5e9;
    background: color-mix(in srgb, var(--gp-brand-dark) 35%, transparent);
    border: 1px solid color-mix(in srgb, var(--gp-brand-light) 40%, transparent);
    backdrop-filter: blur(8px);
}

.page-gp-btn--ghost:hover {
    background: color-mix(in srgb, var(--gp-brand) 25%, transparent);
    border-color: color-mix(in srgb, var(--gp-brand-light) 55%, transparent);
    color: #fff;
}

.page-gp-hero__panel {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 280px;
}

.page-gp-hero__panel-inner {
    position: relative;
    width: min(100%, 400px);
    aspect-ratio: 1;
    border-radius: 28px;
    background: linear-gradient(145deg, color-mix(in srgb, var(--gp-brand) 18%, transparent) 0%, color-mix(in srgb, var(--gp-brand-dark) 55%, transparent) 100%);
    border: 1px solid color-mix(in srgb, var(--gp-brand-light) 30%, transparent);
    box-shadow: var(--gp-shadow), inset 0 1px 0 color-mix(in srgb, var(--gp-brand-light) 25%, transparent);
    backdrop-filter: blur(12px);
}

.page-gp-hero__glow {
    position: absolute;
    inset: 18%;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in srgb, var(--gp-brand-light) 45%, transparent) 0%, transparent 65%);
    filter: blur(28px);
    animation: gp-glow-pulse 5s ease-in-out infinite;
}

@keyframes gp-glow-pulse {
    0%,
    100% {
        opacity: 0.75;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.06);
    }
}

.page-gp-hero__chip {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 700;
    color: #f1f8e9;
    background: color-mix(in srgb, var(--gp-brand-dark) 55%, transparent);
    border: 1px solid color-mix(in srgb, var(--gp-brand-light) 35%, transparent);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
    animation: gp-chip-float 6s ease-in-out infinite;
}

.page-gp-hero__chip i {
    color: #a5d6a7;
}

.page-gp-hero__chip--a {
    top: 12%;
    left: 8%;
    animation-delay: 0s;
}

.page-gp-hero__chip--b {
    top: 22%;
    right: 6%;
    animation-delay: 1.2s;
}

.page-gp-hero__chip--c {
    bottom: 28%;
    left: 6%;
    animation-delay: 0.6s;
}

.page-gp-hero__chip--d {
    bottom: 14%;
    right: 10%;
    animation-delay: 1.8s;
}

@keyframes gp-chip-float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}

/* —— Section head —— */
.page-gp-section-head {
    max-width: 720px;
    margin: 0 auto clamp(36px, 5vw, 52px);
    text-align: center;
}

.page-gp-section-head h2 {
    margin: 0 0 12px;
    font-size: clamp(24px, 2.8vw, 34px);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--gp-ink);
}

.page-gp-section-head p {
    margin: 0;
    font-size: 16px;
    line-height: 1.7;
    color: var(--gp-muted);
}

.page-gp-section-head--light h2 {
    color: #f8fafc;
}

.page-gp-section-head--light p {
    color: #cbd5e1;
}

/* —— Scope —— */
.page-gp-scope {
    position: relative;
    padding: clamp(48px, 8vw, 96px) 0;
    background: linear-gradient(180deg, #fff 0%, var(--gp-surface) 55%, #e8f5e9 100%);
}

.page-gp-scope::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(900px, 80%);
    height: 1px;
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--gp-brand) 40%, transparent), transparent);
}

.page-gp-scope__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(18px, 2.5vw, 26px);
}

.page-gp-scope__card {
    position: relative;
    padding: 26px 22px 24px;
    border-radius: var(--gp-radius);
    background: var(--gp-card);
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: var(--gp-shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    overflow: hidden;
}

.page-gp-scope__card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gp-brand-dark), var(--gp-brand), var(--gp-brand-light));
    opacity: 0.9;
}

.page-gp-scope__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--gp-shadow);
    border-color: color-mix(in srgb, var(--gp-brand) 32%, transparent);
}

.page-gp-scope__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    font-size: 20px;
    color: #fff;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--gp-brand-dark), var(--gp-brand-mid));
    box-shadow: 0 8px 24px color-mix(in srgb, var(--gp-brand) 30%, transparent);
}

.page-gp-scope__card h3 {
    margin: 0 0 10px;
    font-size: 17px;
    font-weight: 800;
}

.page-gp-scope__card p {
    margin: 0;
    font-size: 14px;
    line-height: 1.65;
    color: var(--gp-muted);
}

/* —— Flow —— */
.page-gp-flow {
    padding: clamp(52px, 9vw, 100px) 0;
    background:
        radial-gradient(800px 400px at 50% 0%, color-mix(in srgb, var(--gp-brand) 35%, transparent), transparent 55%),
        linear-gradient(180deg, #14532d 0%, #166534 45%, #1b5e20 100%);
}

.page-gp-flow__track {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: gp-step;
}

.page-gp-flow__step {
    position: relative;
    padding: 24px 18px;
    border-radius: calc(var(--gp-radius) - 2px);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(148, 163, 184, 0.15);
    backdrop-filter: blur(8px);
    transition: background 0.25s ease, border-color 0.25s ease;
}

.page-gp-flow__step:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: color-mix(in srgb, var(--gp-brand-light) 45%, transparent);
}

.page-gp-flow__num {
    display: inline-block;
    margin-bottom: 12px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.14em;
    color: #a5d6a7;
}

.page-gp-flow__step h3 {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 800;
    color: #f8fafc;
}

.page-gp-flow__step p {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: #94a3b8;
}

/* —— USP —— */
.page-gp-usp {
    padding: clamp(48px, 8vw, 92px) 0;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}

.page-gp-usp__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    max-width: 1080px;
    margin: 0 auto;
}

.page-gp-usp__item {
    padding: 28px 24px;
    border-radius: var(--gp-radius);
    background: linear-gradient(160deg, #fff 0%, #f1f5f9 100%);
    border: 1px solid rgba(148, 163, 184, 0.18);
    box-shadow: var(--gp-shadow-sm);
}

.page-gp-usp__item h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 10px;
    font-size: 17px;
    font-weight: 800;
    color: var(--gp-ink);
}

.page-gp-usp__item h3 i {
    color: var(--gp-brand);
}

.page-gp-usp__item p {
    margin: 0;
    font-size: 14px;
    line-height: 1.65;
    color: var(--gp-muted);
}

/* —— FAQ —— */
.page-gp-faq {
    padding: clamp(44px, 7vw, 84px) 0;
    background: #fff;
}

.page-gp-faq__title {
    text-align: center;
    margin: 0 0 28px;
    font-size: clamp(22px, 2.6vw, 30px);
    font-weight: 800;
}

.page-gp-faq__list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.page-gp-faq__item {
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: linear-gradient(180deg, #fafafa 0%, #fff 100%);
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-gp-faq__item:hover {
    border-color: color-mix(in srgb, var(--gp-brand) 30%, transparent);
    box-shadow: 0 8px 28px rgba(20, 60, 30, 0.06);
}

.page-gp-faq__item summary {
    padding: 16px 18px;
    cursor: pointer;
    font-weight: 700;
    font-size: 15px;
    list-style: none;
}

.page-gp-faq__item summary::-webkit-details-marker {
    display: none;
}

.page-gp-faq__item[open] {
    border-color: color-mix(in srgb, var(--gp-brand) 35%, transparent);
    box-shadow: 0 12px 32px color-mix(in srgb, var(--gp-brand) 12%, transparent);
}

.page-gp-faq__item[open] summary {
    color: var(--gp-brand-dark);
    border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}

.page-gp-faq__body {
    padding: 0 18px 16px;
    font-size: 14px;
    line-height: 1.65;
    color: var(--gp-muted);
}

/* —— CTA —— */
.page-gp-cta {
    padding: clamp(44px, 8vw, 88px) 0;
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 45%, #e0f2f1 100%);
}

.page-gp-cta__box {
    max-width: 880px;
    margin: 0 auto;
    padding: clamp(32px, 5vw, 48px);
    text-align: center;
    border-radius: calc(var(--gp-radius) + 4px);
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(148, 163, 184, 0.2);
    box-shadow: var(--gp-shadow);
    backdrop-filter: blur(12px);
}

.page-gp-cta__box h2 {
    margin: 0 0 10px;
    font-size: clamp(22px, 2.6vw, 30px);
    font-weight: 800;
}

.page-gp-cta__box > p {
    margin: 0 0 22px;
    color: var(--gp-muted);
    font-size: 15px;
    line-height: 1.7;
}

.page-gp-cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.page-gp-cta .page-gp-btn--primary {
    color: #fff;
}

.page-gp-cta .page-gp-btn--ghost {
    color: var(--gp-brand-dark);
    background: #fff;
    border: 1px solid color-mix(in srgb, var(--gp-brand) 28%, transparent);
    backdrop-filter: none;
}

.page-gp-cta .page-gp-btn--ghost:hover {
    border-color: var(--gp-brand);
    color: var(--gp-brand-dark);
}

/* —— Khối admin tu-van bên dưới —— */
.page-giai-phap .sec-tuvan {
    padding-top: clamp(32px, 5vw, 56px);
}

/* —— Responsive —— */
@media (max-width: 991px) {
    .page-gp-hero__inner {
        grid-template-columns: 1fr;
    }

    .page-gp-hero__panel {
        order: -1;
        min-height: 240px;
    }

    .page-gp-scope__grid {
        grid-template-columns: 1fr;
    }

    .page-gp-flow__track {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .page-gp-usp__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 575px) {
    .page-gp-flow__track {
        grid-template-columns: 1fr;
    }

    .page-gp-hero__chip {
        font-size: 11px;
        padding: 8px 10px;
    }

    .page-gp-cta__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .page-gp-btn {
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .page-gp-hero__aurora,
    .page-gp-hero__grid,
    .page-gp-hero__glow,
    .page-gp-hero__chip {
        animation: none;
    }

    .page-gp-scope__card:hover,
    .page-gp-btn--primary:hover {
        transform: none;
    }
}