/* ════════════════════════════════════════════════════════
   DSP LANDING PAGE – home-landing.css (Light Theme)
   Global file (NOT scoped) – loaded via <HeadContent> in Home.razor
════════════════════════════════════════════════════════ */

:root {
    --lp-navy:   #1a3a6e;
    --lp-navy2:  #2a4a8e;
    --lp-gold:   #f5a623;
    --lp-gold2:  #e8960f;
    --lp-red:    #dc3545;
    --lp-light:  #f8fafc;
    --lp-text:   #0f172a;
    --lp-muted:  #64748b;
    --lp-white:  #ffffff;
    --lp-radius: 10px;
    --lp-shadow: 0 8px 32px rgba(30,41,59,.08);
    --lp-trans:  .28s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

/* ── Font mặc định toàn trang landing ── */
body, .lp-nav, .lp-hero, .lp-stats, .lp-section-inner,
.lp-footer, .lp-track-inner, .lp-form-box {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ── Reset for landing page ── */
.lp-root * { box-sizing: border-box; }

/* ════════════════════════════════════════════════════════
   NAVBAR
════════════════════════════════════════════════════════ */
.lp-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 9999;
    background: #fff;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(30,41,59,.08);
    box-shadow: 0 2px 12px rgba(0,0,0,.04);
}

.lp-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 66px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.lp-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none !important;
    flex-shrink: 0;
}

.lp-logo img {
    width: 42px;
    height: 42px;
    border-radius: 6px;
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
}

.lp-logo-name {
    display: block;
    font-weight: 600;
    font-size: .95rem;
    color: #0f172a;
    letter-spacing: .4px;
    line-height: 1.2;
}

.lp-logo-sub {
    display: block;
    font-size: .6rem;
    color: #f5a623;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    line-height: 1;
}

.lp-nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0; padding: 0;
    gap: 2px;
    margin-left: auto;
}

.lp-nav-links li a {
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .8px;
    text-transform: uppercase;
    color: #64748b !important;
    text-decoration: none !important;
    padding: 8px 12px;
    border-radius: 6px;
    display: block;
    transition: color var(--lp-trans), background var(--lp-trans);
}

.lp-nav-links li a:hover {
    color: #f5a623 !important;
    background: rgba(245,166,35,.08);
}

.btn-nav-login {
    margin-left: 6px;
    background: #f5a623 !important;
    color: #0a1628 !important;
    font-weight: 700 !important;
    border-radius: 6px !important;
    padding: 8px 18px !important;
}

.btn-nav-login:hover {
    background: #e8960f !important;
    color: #0a1628 !important;
}

.btn-nav-track {
    border: 1.5px solid #f5a623 !important;
    color: #0f172a !important;
    border-radius: 6px !important;
    padding: 7px 14px !important;
}

.btn-nav-track:hover {
    border-color: #e8960f !important;
    color: #f5a623 !important;
    background: rgba(245,166,35,.08) !important;
}

.lp-nav-toggler {
    display: none;
    background: none;
    border: 1px solid #e2e8f0;
    color: #0f172a;
    padding: 6px 12px;
    border-radius: 6px;
    margin-left: auto;
    cursor: pointer;
    font-size: 1rem;
}

@media (max-width: 900px) {
    .lp-nav-toggler { display: flex; align-items: center; }
    .lp-nav-links {
        display: none;
        flex-direction: column;
        align-items: stretch;
        position: absolute;
        top: 66px; left: 0; right: 0;
        background: #fff;
        padding: 12px 20px 20px;
        gap: 4px;
        border-bottom: 2px solid rgba(245,166,35,.12);
        box-shadow: 0 8px 24px rgba(0,0,0,.08);
    }
    .lp-nav-links.open { display: flex; }
    .lp-nav-links li a { padding: 12px 14px; }
    .btn-nav-login,
    .btn-nav-track { margin-left: 0; }
}

/* ════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════ */
.lp-hero {
    min-height: 100vh;
    background:
        linear-gradient(180deg, rgba(15,23,42,.7) 0%, rgba(15,23,42,.55) 50%, rgba(15,23,42,.8) 100%),
        url('https://images.unsplash.com/photo-1494412574643-ff11b0a5c1c3?w=1920&q=80') center/cover no-repeat;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 110px 24px 60px;
}

.lp-hero-content { max-width: 840px; }

.lp-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245,166,35,.14);
    border: 1px solid rgba(245,166,35,.35);
    color: #f5a623;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 6px 18px;
    border-radius: 100px;
    margin-bottom: 28px;
}

.lp-hero-title {
    font-size: clamp(2rem, 5.5vw, 4rem);
    font-weight: 700;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    color: #fff;
    line-height: 1.13;
    margin-bottom: 20px;
    letter-spacing: -.5px;
}

.lp-hero-title span { color: #f5a623; }

.lp-hero-sub {
    font-size: clamp(.9rem, 2vw, 1.15rem);
    color: rgba(255,255,255,.85);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.75;
}

.lp-hero-btns {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-lp-primary {
    background: #f5a623;
    color: #0f172a !important;
    font-weight: 700;
    font-size: .9rem;
    letter-spacing: .5px;
    padding: 15px 38px;
    border-radius: 8px;
    text-decoration: none !important;
    border: none;
    cursor: pointer;
    transition: background var(--lp-trans), transform var(--lp-trans), box-shadow var(--lp-trans);
    box-shadow: 0 4px 20px rgba(245,166,35,.35);
    display: inline-block;
}

.btn-lp-primary:hover {
    background: #e8960f;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(245,166,35,.45);
}

.btn-lp-outline {
    background: rgba(255,255,255,.15);
    color: #fff !important;
    font-weight: 600;
    font-size: .9rem;
    padding: 14px 36px;
    border-radius: 8px;
    border: 1.5px solid rgba(255,255,255,.6);
    text-decoration: none !important;
    cursor: pointer;
    transition: border-color var(--lp-trans), background var(--lp-trans), color var(--lp-trans);
    display: inline-block;
}

.btn-lp-outline:hover {
    border-color: #f5a623;
    background: rgba(245,166,35,.2);
    color: #f5a623 !important;
}

.lp-hero-scroll {
    margin-top: 56px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,.65);
    font-size: .68rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: lp-bob 2s ease-in-out infinite;
}

@keyframes lp-bob {
    0%,100% { transform: translateY(0); }
    50%      { transform: translateY(7px); }
}

/* ════════════════════════════════════════════════════════
   STATS BAR
════════════════════════════════════════════════════════ */
.lp-stats {
    background: #fff;
    border-top: 3px solid #f5a623;
}

.lp-stats-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 680px) {
    .lp-stats-inner { grid-template-columns: repeat(2, 1fr); }
}

.lp-stat-item {
    text-align: center;
    padding: 38px 20px;
    border-right: 1px solid rgba(255,255,255,.08);
}

.lp-stat-item:last-child { border-right: none; }

.lp-stat-num {
    display: block;
    font-size: 2.4rem;
    font-weight: 600;
    color: #f5a623;
    line-height: 1;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
}

.lp-stat-label {
    display: block;
    font-size: .72rem;
    color: #64748b;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    margin-top: 8px;
}

/* ════════════════════════════════════════════════════════
   SHARED SECTION STYLES
════════════════════════════════════════════════════════ */
.lp-section-bg-light { background: #f8fafc; }
.lp-section-bg-white { background: #fff; }

.lp-section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 96px 24px;
}

.lp-eyebrow {
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: #f5a623;
    margin-bottom: 10px;
    display: block;
}

.lp-heading {
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    font-weight: 600;
    color: #1a2340;
    line-height: 1.22;
    margin-bottom: 14px;
    letter-spacing: -.5px;
}

.lp-heading span { color: #f5a623; }
.lp-heading-white { color: #fff !important; }

.lp-lead {
    color: #64748b;
    font-size: .97rem;
    max-width: 560px;
    line-height: 1.75;
    margin: 0;
}

.lp-lead-dim { color: #64748b !important; }

/* ════════════════════════════════════════════════════════
   SERVICES GRID
════════════════════════════════════════════════════════ */
.lp-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 22px;
    margin-top: 52px;
}

.lp-svc-card {
    background: #fff;
    border-radius: var(--lp-radius);
    padding: 34px 26px;
    border: 1.5px solid #e2e8f0;
    transition: transform var(--lp-trans), box-shadow var(--lp-trans), border-color var(--lp-trans);
}

.lp-svc-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--lp-shadow);
    border-color: #f5a623;
}

.lp-svc-icon {
    width: 54px; height: 54px;
    background: linear-gradient(135deg, rgba(245,166,35,.14), rgba(245,166,35,.04));
    border: 1.5px solid rgba(245,166,35,.22);
    border-radius: 13px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    color: #f5a623;
    margin-bottom: 20px;
}

.lp-svc-title {
    font-size: 1rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 10px;
}

.lp-svc-desc {
    font-size: .85rem;
    color: #64748b;
    line-height: 1.65;
    margin: 0;
}

/* ════════════════════════════════════════════════════════
   WHY US
════════════════════════════════════════════════════════ */
.lp-why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

@media (max-width: 840px) {
    .lp-why-grid { grid-template-columns: 1fr; gap: 32px; }
}

.lp-why-img {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(10,22,40,.18);
}

.lp-why-img img {
    width: 100%;
    display: block;
}

.lp-why-badge {
    position: absolute;
    bottom: 22px; left: 22px;
    background: #f5a623;
    color: #0a1628;
    font-weight: 600;
    font-size: .82rem;
    padding: 10px 18px;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,.22);
}

.lp-why-list {
    list-style: none;
    padding: 0; margin: 28px 0 0;
}

.lp-why-list li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 16px 0;
    border-bottom: 1px solid #e2e8f0;
}

.lp-why-list li:last-child { border-bottom: none; }

.lp-why-icon {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, #0a1628, #0f2044);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: #f5a623;
    font-size: .9rem;
    flex-shrink: 0;
}

.lp-why-item-title { font-weight: 700; font-size: .93rem; color: #0f172a; margin-bottom: 3px; }
.lp-why-item-desc  { font-size: .82rem; color: #64748b; line-height: 1.55; margin: 0; }

/* ════════════════════════════════════════════════════════
   PROCESS
════════════════════════════════════════════════════════ */
.lp-process-bg {
    background: #1a3a6e;
}

.lp-process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
    gap: 14px;
    margin-top: 52px;
}

.lp-process-step {
    text-align: center;
    padding: 30px 18px;
    border-radius: var(--lp-radius);
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.07);
    transition: background var(--lp-trans), border-color var(--lp-trans);
}

.lp-process-step:hover {
    background: rgba(245,166,35,.08);
    border-color: rgba(245,166,35,.3);
}

.lp-process-num {
    width: 46px; height: 46px;
    background: #f5a623;
    color: #0a1628;
    font-weight: 600;
    font-size: 1.05rem;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
}

.lp-process-title {
    font-weight: 700;
    font-size: .92rem;
    color: #fff;
    margin-bottom: 8px;
}

.lp-process-desc {
    font-size: .78rem;
    color: rgba(255,255,255,.45);
    line-height: 1.65;
    margin: 0;
}

/* ════════════════════════════════════════════════════════
   TRACK CTA BANNER
════════════════════════════════════════════════════════ */
.lp-track-bg {
    background: linear-gradient(135deg, #f5a623 0%, #f0c040 100%);
}

.lp-track-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 68px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}

.lp-track-text h2 {
    font-size: clamp(1.3rem, 2.8vw, 1.9rem);
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 6px;
}

.lp-track-text p { color: #475569; font-size: .93rem; margin: 0; }

.lp-track-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.lp-track-input {
    padding: 13px 18px;
    border: none;
    border-radius: 8px;
    font-size: .9rem;
    min-width: 280px;
    background: rgba(255,255,255,.9);
    color: #0f172a;
    box-shadow: 0 2px 10px rgba(0,0,0,.1);
    outline: none;
}

.lp-track-input:focus { background: #fff; }

.lp-btn-track {
    background: #0f172a;
    color: #fff;
    border: none;
    padding: 13px 26px;
    border-radius: 8px;
    font-weight: 700;
    font-size: .86rem;
    cursor: pointer;
    transition: background var(--lp-trans);
    white-space: nowrap;
}

.lp-btn-track:hover { background: #1a3a6e; }

/* ════════════════════════════════════════════════════════
   CONTACT
════════════════════════════════════════════════════════ */
.lp-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 52px;
    margin-top: 52px;
    align-items: start;
}

@media (max-width: 840px) {
    .lp-contact-grid { grid-template-columns: 1fr; gap: 30px; }
}

.lp-contact-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 16px 0;
    border-bottom: 1px solid #e2e8f0;
}

.lp-contact-icon {
    width: 42px; height: 42px;
    background: #1a3a6e;
    color: #f5a623;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: .95rem;
    flex-shrink: 0;
}

.lp-contact-label {
    font-size: .7rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.lp-contact-value { font-weight: 600; color: #0f172a; font-size: .9rem; }

.lp-form-box {
    background: #f8fafc;
    border-radius: 14px;
    padding: 34px;
    border: 1.5px solid #e2e8f0;
}

.lp-form-group { margin-bottom: 15px; }

.lp-form-group label {
    display: block;
    font-size: .73rem;
    font-weight: 700;
    color: #0f172a;
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 6px;
}

.lp-form-ctrl {
    width: 100%;
    padding: 11px 15px;
    border: 1.5px solid #e2e8f0;
    border-radius: 8px;
    font-size: .88rem;
    background: #fff;
    color: #0f172a;
    transition: border-color var(--lp-trans), box-shadow var(--lp-trans);
    box-sizing: border-box;
}

.lp-form-ctrl:focus {
    outline: none;
    border-color: #f5a623;
    box-shadow: 0 0 0 3px rgba(245,166,35,.12);
}

.lp-btn-submit {
    width: 100%;
    background: #0f172a;
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-weight: 700;
    font-size: .94rem;
    cursor: pointer;
    transition: background var(--lp-trans);
    margin-top: 4px;
}

.lp-btn-submit:hover { background: #1a3a6e; }
.lp-btn-submit:disabled { opacity: .65; cursor: not-allowed; }

/* ════════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════════ */
.lp-footer {
    background: #1a3a6e;
    border-top: 3px solid rgba(245,166,35,.28);
    padding: 64px 24px 28px;
}

.lp-footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr;
    gap: 40px;
}

@media (max-width: 840px) { .lp-footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .lp-footer-grid { grid-template-columns: 1fr; } }

.lp-footer-brand-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
}

.lp-footer-brand-desc {
    font-size: .82rem;
    color: rgba(255,255,255,.42);
    line-height: 1.7;
    margin-bottom: 20px;
}

.lp-footer-social { display: flex; gap: 10px; }

.lp-footer-social a {
    width: 34px; height: 34px;
    background: rgba(255,255,255,.09);
    color: rgba(255,255,255,.55);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: .82rem;
    text-decoration: none;
    transition: background var(--lp-trans), color var(--lp-trans);
}

.lp-footer-social a:hover { background: #f5a623; color: #0a1628; }

.lp-footer-col-title {
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #f5a623;
    margin-bottom: 16px;
}

.lp-footer-links { list-style: none; padding: 0; margin: 0; }
.lp-footer-links li { margin-bottom: 10px; }

.lp-footer-links a {
    font-size: .83rem;
    color: rgba(255,255,255,.45);
    text-decoration: none;
    transition: color var(--lp-trans);
}

.lp-footer-links a:hover { color: #f5a623; }

.lp-footer-links span { font-size: .82rem; color: rgba(255,255,255,.35); }

.lp-footer-bottom {
    max-width: 1200px;
    margin: 40px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,.07);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.lp-footer-copy { font-size: .76rem; color: rgba(255,255,255,.3); }