/* =============================================================
   SEVI — OnePage Alternativa (Fresca / Moderna)
   Stack: Bootstrap 5 + Custom CSS
   Colors: #060716 (dark) | #625126 (accent) | #FFFFFF (text)
   Fonts:  Bricolage Grotesque (display) | Plus Jakarta Sans (body)
   ============================================================= */

/* ─── Variables ─────────────────────────────────────────────── */
:root {
    --a-dark:         #060716;
    --a-dark-2:       #0d0b1f;
    --a-dark-3:       #12102a;
    --a-accent:       #625126;
    --a-accent-h:     #7d6733;
    --a-accent-l:     #a08a52;
    --a-glow:         rgba(98, 81, 38, 0.25);
    --a-white:        #ffffff;
    --a-muted:        rgba(255, 255, 255, 0.58);
    --a-faint:        rgba(255, 255, 255, 0.06);
    --a-border:       rgba(255, 255, 255, 0.08);
    --a-border-acc:   rgba(98, 81, 38, 0.35);

    --ff-disp: 'Bricolage Grotesque', 'Arial Black', sans-serif;
    --ff-body: 'Plus Jakarta Sans', system-ui, sans-serif;
}

/* ─── Base ──────────────────────────────────────────────────── */
html { scroll-behavior: smooth; }

*, *::before, *::after { box-sizing: border-box; }

body {
    background: var(--a-dark);
    color: var(--a-white);
    font-family: var(--ff-body);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

/* ─── Navbar ────────────────────────────────────────────────── */
.alt-navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 1.1rem 0;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: padding .3s, background .3s, border-color .3s, backdrop-filter .3s;
}

.alt-navbar.alt-navbar-scrolled {
    padding: .7rem 0;
    background: rgba(6, 7, 22, 0.93);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-color: var(--a-border);
}

.alt-navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.alt-brand { text-decoration: none; display: flex; align-items: center; }

.alt-logo {
    height: 80px;
    width: auto;
    display: block;
    transition: opacity .2s;
}
.alt-logo:hover { opacity: .82; }

.alt-logo-footer {
    height: 52px;
    width: auto;
    display: block;
    opacity: .85;
}

.alt-nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.alt-nav-link {
    color: rgba(255,255,255,.62);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 500;
    transition: color .2s;
}
.alt-nav-link:hover { color: var(--a-white); }

/* Hamburger */
.alt-hamburger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    align-items: flex-end;
}
.alt-hamburger span {
    display: block;
    height: 2px;
    background: var(--a-white);
    border-radius: 2px;
    transition: transform .3s, opacity .3s, width .3s;
}
.alt-hamburger span:nth-child(1) { width: 24px; }
.alt-hamburger span:nth-child(2) { width: 18px; }
.alt-hamburger span:nth-child(3) { width: 24px; }

.alt-hamburger.alt-hamburger-open span:nth-child(1) {
    width: 24px;
    transform: translateY(7px) rotate(45deg);
}
.alt-hamburger.alt-hamburger-open span:nth-child(2) { opacity: 0; }
.alt-hamburger.alt-hamburger-open span:nth-child(3) {
    width: 24px;
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.alt-mobile-nav {
    display: none;
    background: rgba(6, 7, 22, 0.97);
    border-top: 1px solid var(--a-border);
}
.alt-mobile-nav.alt-mobile-nav-open { display: block; }

/* ─── Buttons ───────────────────────────────────────────────── */
.alt-btn-primary {
    background: var(--a-accent);
    color: var(--a-white);
    border: 1px solid var(--a-accent);
    font-family: var(--ff-body);
    font-size: .875rem;
    font-weight: 600;
    letter-spacing: .05em;
    padding: .6rem 1.4rem;
    border-radius: 6px;
    transition: background .2s, box-shadow .2s, transform .15s;
    white-space: nowrap;
}
.alt-btn-primary:hover,
.alt-btn-primary:focus-visible {
    background: var(--a-accent-h);
    border-color: var(--a-accent-h);
    color: var(--a-white);
    box-shadow: 0 8px 30px var(--a-glow);
    transform: translateY(-2px);
}
.alt-btn-primary:active { transform: translateY(0); }

.alt-btn-ghost {
    background: transparent;
    color: var(--a-white);
    border: 1px solid rgba(255,255,255,.25);
    font-family: var(--ff-body);
    font-size: .875rem;
    font-weight: 500;
    letter-spacing: .05em;
    padding: .6rem 1.4rem;
    border-radius: 6px;
    transition: background .2s, border-color .2s;
}
.alt-btn-ghost:hover,
.alt-btn-ghost:focus-visible {
    background: rgba(255,255,255,.07);
    border-color: rgba(255,255,255,.55);
    color: var(--a-white);
}

.alt-btn-lg  { padding: .875rem 2rem;   font-size: .9375rem; }
.alt-btn-xl  { padding: 1.1rem 3rem;    font-size: 1rem; }

/* ─── Hero Slider ───────────────────────────────────────────── */
.alt-hero {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.alt-hero-noise {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    background-size: 200px 200px;
    pointer-events: none;
    z-index: 1;
}

.alt-carousel { height: 100vh; min-height: 600px; }
.alt-carousel .carousel-inner,
.alt-carousel .carousel-item { height: 100%; }

.alt-slide {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 7rem 0 5rem;
    overflow: hidden;
}

.alt-slide-1 {
    background: linear-gradient(135deg, #060716 0%, #0e0c22 50%, #060716 100%);
}
.alt-slide-2 {
    background: linear-gradient(135deg, #060716 0%, #0a0f1e 50%, #060716 100%);
}
.alt-slide-3 {
    background: linear-gradient(135deg, #060716 0%, #0c0a14 50%, #060716 100%);
}

/* Decorative circles */
.alt-slide-deco { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

.alt-deco-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--a-glow) 0%, transparent 70%);
}
.alt-deco-1 { width: 700px; height: 700px; top: -30%; left: -15%; opacity: .6; }
.alt-deco-2 { width: 400px; height: 400px; bottom: -20%; right: -10%; opacity: .4; }
.alt-deco-3 { width: 600px; height: 600px; top: -20%; right: -10%; opacity: .55; }
.alt-deco-4 { width: 350px; height: 350px; bottom: -15%; left: -5%;  opacity: .35; }
.alt-deco-5 { width: 500px; height: 500px; top: -25%; left: 20%;    opacity: .5; }
.alt-deco-6 { width: 300px; height: 300px; bottom: -10%; right: 5%; opacity: .3; }

/* Slide text */
.alt-slide-tag {
    display: inline-block;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--a-accent-l);
    background: rgba(98, 81, 38, .1);
    border: 1px solid var(--a-border-acc);
    padding: .3rem 1rem;
    border-radius: 50px;
    margin-bottom: 1.25rem;
    animation: alt-pop .6s ease both;
}

.alt-slide-headline {
    font-family: var(--ff-disp);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.05;
    color: var(--a-white);
    letter-spacing: -.02em;
    animation: alt-rise .75s ease .1s both;
}

.alt-highlight {
    color: var(--a-accent-l);
    position: relative;
    display: inline-block;
}

.alt-slide-sub {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    font-weight: 300;
    color: rgba(255,255,255,.62);
    max-width: 540px;
    margin-inline: auto;
    animation: alt-rise .75s ease .25s both;
}

.carousel-item .d-flex { animation: alt-rise .75s ease .4s both; }

/* Indicators */
.alt-indicators {
    bottom: 2.5rem !important;
    gap: .5rem;
}
.alt-indicators button {
    width: 28px !important;
    height: 3px !important;
    border-radius: 2px !important;
    background: rgba(255,255,255,.3) !important;
    border: none !important;
    margin: 0 !important;
    transition: background .3s, width .3s !important;
}
.alt-indicators button.active {
    width: 48px !important;
    background: var(--a-accent-l) !important;
}

/* Controls */
.alt-ctrl-prev,
.alt-ctrl-next {
    width: 44px !important;
    height: 44px !important;
    background: rgba(255,255,255,.08) !important;
    border: 1px solid rgba(255,255,255,.12) !important;
    border-radius: 50% !important;
    color: var(--a-white) !important;
    top: 50% !important;
    transform: translateY(-50%) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s !important;
}
.alt-ctrl-prev { left: 1.5rem !important; }
.alt-ctrl-next { right: 1.5rem !important; }
.alt-ctrl-prev:hover,
.alt-ctrl-next:hover {
    background: rgba(98,81,38,.35) !important;
    border-color: var(--a-border-acc) !important;
}
.alt-ctrl-prev .carousel-control-prev-icon,
.alt-ctrl-next .carousel-control-next-icon { display: none; }

/* Scroll hint */
.alt-scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    animation: alt-bounce 2s ease-in-out infinite;
    z-index: 5;
}
.alt-scroll-dot {
    width: 6px; height: 6px;
    background: var(--a-accent-l);
    border-radius: 50%;
}
.alt-scroll-line {
    width: 1px; height: 36px;
    background: linear-gradient(to bottom, var(--a-accent-l), transparent);
}

/* ─── Shared Section Styles ─────────────────────────────────── */
.alt-section { padding: 6rem 0; }

.alt-label {
    display: block;
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--a-accent-l);
    margin-bottom: .6rem;
}

.alt-title {
    font-family: var(--ff-disp);
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -.015em;
    color: var(--a-white);
    margin: 0;
}

.alt-subtitle {
    color: var(--a-muted);
    font-size: 1.0625rem;
    line-height: 1.8;
}

/* ─── Problema ──────────────────────────────────────────────── */
.alt-problema { border-top: 1px solid var(--a-border); }

.alt-problem-card {
    background: var(--a-faint);
    border: 1px solid var(--a-border);
    border-radius: 12px;
    padding: 2rem 1.75rem;
    height: 100%;
    transition: border-color .3s, transform .3s, box-shadow .3s;
    position: relative;
    overflow: hidden;
}
.alt-problem-card::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--a-accent), var(--a-accent-l));
    opacity: 0;
    transition: opacity .3s;
}
.alt-problem-card:hover::after { opacity: 1; }
.alt-problem-card:hover {
    border-color: var(--a-border-acc);
    transform: translateY(-6px);
    box-shadow: 0 24px 56px rgba(0,0,0,.45);
}
.alt-problem-card-mid {
    border-color: var(--a-border-acc);
    background: rgba(98,81,38,.06);
}

.alt-problem-num {
    font-family: var(--ff-disp);
    font-size: 3.5rem;
    font-weight: 800;
    color: rgba(98,81,38,.15);
    line-height: 1;
    margin-bottom: .5rem;
}
.alt-problem-icon {
    color: var(--a-accent-l);
    margin-bottom: 1rem;
}
.alt-problem-title {
    font-family: var(--ff-disp);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--a-white);
    margin-bottom: .5rem;
}
.alt-problem-text {
    color: var(--a-muted);
    font-size: .9375rem;
    margin: 0;
}

/* ─── Stats Band ────────────────────────────────────────────── */
.alt-stats-band {
    background: linear-gradient(90deg, rgba(98,81,38,.12) 0%, rgba(98,81,38,.06) 50%, rgba(98,81,38,.12) 100%);
    border-top: 1px solid var(--a-border-acc);
    border-bottom: 1px solid var(--a-border-acc);
    padding: 3rem 0;
}

.alt-stats-row {
    --bs-gutter-x: 0;
}

.alt-stat {
    padding: 1.25rem 1.5rem;
    text-align: center;
    border-right: 1px solid rgba(98,81,38,.2);
}
.alt-stat:last-child { border-right: none; }

.alt-stat-val {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: .1em;
    line-height: 1;
    margin-bottom: .65rem;
}
.alt-stat-num {
    font-family: var(--ff-disp);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--a-white);
    letter-spacing: -.02em;
}
.alt-stat-sym {
    font-family: var(--ff-disp);
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    font-weight: 600;
    color: var(--a-accent-l);
}
.alt-stat-desc {
    font-size: .8125rem;
    color: rgba(255,255,255,.45);
    line-height: 1.5;
    max-width: 150px;
    margin-inline: auto;
}

/* ─── Solución ──────────────────────────────────────────────── */
.alt-solucion { border-top: 1px solid var(--a-border); }

.alt-sol-card {
    background: var(--a-faint);
    border: 1px solid var(--a-border);
    border-radius: 10px;
    padding: 1.5rem;
    height: 100%;
    transition: border-color .3s, transform .25s;
}
.alt-sol-card:hover {
    border-color: var(--a-border-acc);
    transform: translateY(-3px);
}
.alt-sol-card-accent {
    background: rgba(98,81,38,.07);
    border-color: var(--a-border-acc);
}
.alt-sol-icon {
    color: var(--a-accent-l);
    margin-bottom: .875rem;
}
.alt-sol-title {
    font-family: var(--ff-disp);
    font-size: 1rem;
    font-weight: 700;
    color: var(--a-white);
    margin-bottom: .4rem;
}
.alt-sol-text {
    font-size: .875rem;
    color: var(--a-muted);
    margin: 0;
    line-height: 1.6;
}

/* ─── Proceso ───────────────────────────────────────────────── */
.alt-proceso {
    position: relative;
    overflow: hidden;
    background: var(--a-dark-2);
    border-top: 1px solid var(--a-border);
}
.alt-proceso-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(98,81,38,.07) 0%, transparent 70%);
    pointer-events: none;
}

.alt-steps-timeline { position: relative; }
.alt-steps-line {
    display: none;
}

.alt-step-item {
    text-align: center;
    padding: 1.25rem .75rem;
    border-radius: 10px;
    transition: background .3s;
}
.alt-step-item:hover { background: var(--a-faint); }
.alt-step-item:hover .alt-step-dot { background: var(--a-accent); border-color: var(--a-accent); }

.alt-step-dot {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-family: var(--ff-disp);
    font-size: .875rem;
    font-weight: 700;
    color: rgba(255,255,255,.5);
    transition: background .3s, border-color .3s, color .3s;
}
.alt-step-dot-featured {
    background: var(--a-accent);
    border-color: var(--a-accent);
    color: var(--a-white);
    box-shadow: 0 0 0 4px rgba(98,81,38,.2);
}
.alt-step-item-featured .alt-step-dot { color: var(--a-white); }

.alt-step-title {
    font-family: var(--ff-disp);
    font-size: .9375rem;
    font-weight: 700;
    color: var(--a-white);
    margin-bottom: .4rem;
}
.alt-step-text {
    font-size: .8rem;
    color: rgba(255,255,255,.42);
    margin: 0;
    line-height: 1.55;
}

/* ─── Seguridad ─────────────────────────────────────────────── */
.alt-seguridad { border-top: 1px solid var(--a-border); }

.alt-sec-card {
    background: var(--a-faint);
    border: 1px solid var(--a-border);
    border-radius: 12px;
    padding: 2rem 1.75rem;
    height: 100%;
    transition: border-color .3s, transform .3s, box-shadow .3s;
}
.alt-sec-card:hover {
    border-color: var(--a-border-acc);
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0,0,0,.4);
}
.alt-sec-card-featured {
    background: rgba(98,81,38,.08);
    border-color: var(--a-border-acc);
}

.alt-sec-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}
.alt-sec-badge {
    font-family: var(--ff-disp);
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(98,81,38,.2);
    line-height: 1;
}
.alt-sec-icon { color: var(--a-accent-l); }

.alt-sec-title {
    font-family: var(--ff-disp);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--a-white);
    margin-bottom: .6rem;
}
.alt-sec-text {
    color: var(--a-muted);
    font-size: .9375rem;
    line-height: 1.7;
    margin: 0;
}

/* ─── Roles ─────────────────────────────────────────────────── */
.alt-roles {
    background: var(--a-dark-3);
    border-top: 1px solid var(--a-border);
    border-bottom: 1px solid var(--a-border);
}

.alt-role {
    background: var(--a-faint);
    border: 1px solid var(--a-border);
    border-radius: 12px;
    overflow: hidden;
    height: 100%;
    transition: border-color .3s;
}
.alt-role:hover { border-color: var(--a-border-acc); }
.alt-role-sevi {
    border-color: var(--a-border-acc);
    background: rgba(98,81,38,.07);
}

.alt-role-header {
    display: flex;
    align-items: center;
    gap: .875rem;
    padding: 1.25rem 1.75rem;
    border-bottom: 1px solid rgba(255,255,255,.05);
}
.alt-role-buyer  { background: rgba(255,255,255,.03); }
.alt-role-seller { background: rgba(255,255,255,.03); }
.alt-role-sevi-header { background: rgba(98,81,38,.1); }

.alt-role-emoji { font-size: 1.5rem; line-height: 1; }
.alt-role-name {
    font-family: var(--ff-disp);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--a-white);
    margin: 0;
}

.alt-role-list {
    list-style: none;
    padding: 1.25rem 1.75rem;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: .625rem;
}
.alt-role-list li {
    position: relative;
    padding-left: 1.25rem;
    color: rgba(255,255,255,.6);
    font-size: .9rem;
    line-height: 1.5;
}
.alt-role-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--a-accent-l);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.4;
}

/* ─── CTA Final ─────────────────────────────────────────────── */
.alt-cta-final {
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 7rem 0;
    border-top: 1px solid var(--a-border);
}
.alt-cta-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 70% at 50% 50%, rgba(98,81,38,.16) 0%, transparent 60%),
        var(--a-dark);
    pointer-events: none;
}
.alt-cta-headline {
    font-family: var(--ff-disp);
    font-size: clamp(2.25rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -.025em;
    line-height: 1.1;
    color: var(--a-white);
}
.alt-cta-sub {
    color: rgba(255,255,255,.58);
    font-size: 1.0625rem;
    max-width: 480px;
    margin-inline: auto;
    line-height: 1.75;
}

/* ─── Contacto ──────────────────────────────────────────────── */
.alt-contacto { border-top: 1px solid var(--a-border); }

.alt-contact-feature {
    display: flex;
    align-items: center;
    gap: .75rem;
    color: rgba(255,255,255,.6);
    font-size: .9375rem;
}
.alt-cf-icon {
    color: var(--a-accent-l);
    flex-shrink: 0;
}

.alt-label-input {
    display: block;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .06em;
    color: rgba(255,255,255,.65);
    margin-bottom: .45rem;
}

.alt-input {
    width: 100%;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 8px;
    color: var(--a-white);
    padding: .8rem 1rem;
    font-family: var(--ff-body);
    font-size: .9375rem;
    transition: border-color .2s, background .2s, box-shadow .2s;
}
.alt-input::placeholder { color: rgba(255,255,255,.22); }
.alt-input:focus {
    background: rgba(255,255,255,.065);
    border-color: rgba(98,81,38,.55);
    box-shadow: 0 0 0 3px rgba(98,81,38,.1);
    color: var(--a-white);
    outline: none;
}
textarea.alt-input { resize: vertical; min-height: 120px; }

/* ─── Footer ────────────────────────────────────────────────── */
.alt-footer {
    background: rgba(255,255,255,.015);
    border-top: 1px solid var(--a-border);
    padding: 3rem 0;
}
.alt-footer-tagline {
    color: rgba(255,255,255,.38);
    font-size: .875rem;
    margin: 0;
}
.alt-footer-nav {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-bottom: .5rem;
}
.alt-footer-nav a {
    color: rgba(255,255,255,.45);
    text-decoration: none;
    font-size: .875rem;
    transition: color .2s;
}
.alt-footer-nav a:hover { color: var(--a-white); }
.alt-footer-copy {
    color: rgba(255,255,255,.22);
    font-size: .8rem;
    margin: 0;
    text-align: right;
}

/* ─── Animations ────────────────────────────────────────────── */
@keyframes alt-pop {
    from { opacity: 0; transform: scale(.9); }
    to   { opacity: 1; transform: scale(1); }
}
@keyframes alt-rise {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes alt-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(8px); }
}

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 991px) {
    .alt-slide { text-align: center; padding: 6rem 0 5rem; }
    .alt-slide-sub { margin-inline: auto; }
}

@media (max-width: 767px) {
    .alt-section { padding: 4rem 0; }
    .alt-stat { border-right: none; border-bottom: 1px solid rgba(98,81,38,.15); }
    .alt-stat:last-child { border-bottom: none; }
    .alt-footer-nav { justify-content: flex-start; }
    .alt-footer-copy { text-align: left; }
    .alt-ctrl-prev { left: .75rem !important; }
    .alt-ctrl-next { right: .75rem !important; }
}

@media (max-width: 575px) {
    .alt-problem-card,
    .alt-sol-card,
    .alt-sec-card { padding: 1.5rem 1.25rem; }
    .alt-slide-headline { letter-spacing: -.015em; }
}