/* Exponencial: guided learning conversation, adapted from the LEX phone demo. */
#slide-17-exponencial-whatsapp .exp-main { display: grid; grid-template-columns: minmax(0, 1fr) 660px; gap: 100px; align-items: center; flex: 1; min-height: 0; margin-top: 18px; }
#slide-17-exponencial-whatsapp .exp-copy { max-width: 730px; }
#slide-17-exponencial-whatsapp h1 { font-size: 54px; line-height: 1.1; letter-spacing: -.035em; margin: 0; font-weight: 500; }
#slide-17-exponencial-whatsapp .exp-lead { margin: 25px 0 30px; font-size: 22px; line-height: 1.55; color: var(--tx2); }
.exp-steps { list-style: none; padding: 0; margin: 0; }
.exp-steps li { display: grid; grid-template-columns: 34px 1fr; gap: 16px; padding: 15px 0; border-top: 1px solid var(--rule); color: var(--tx3); transition: color .25s; }
.exp-steps li > span { font: 12px/1.8 var(--font-mono); }
.exp-steps strong { display: block; font-size: 18px; font-weight: 500; color: var(--tx2); }
.exp-steps p { margin: 5px 0 0; font-size: 16px; line-height: 1.4; }
.exp-steps li[data-current] { color: var(--acc); border-top-color: var(--acc-line); }
.exp-steps li[data-current] strong { color: var(--acc); }
.exp-controls { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.exp-controls button { appearance: none; padding: 10px 15px; border: 1px solid var(--acc-line); border-radius: 8px; background: transparent; color: var(--acc); font: 500 13px var(--font-product); cursor: pointer; }
.exp-controls button:hover { background: var(--acc-tint); }
.exp-controls button:focus-visible, .exp-chat:focus-visible { outline: 2px solid var(--acc); outline-offset: 4px; }
.exp-phone-wrap { display: flex; justify-content: center; }
.exp-phone { position: relative; width: 520px; height: 780px; padding: 9px; border: 1px solid #14231f; border-radius: 43px; background: #14231f; box-shadow: 0 28px 65px -25px #253c3440, inset 0 0 0 2px #40504a; overflow: hidden; }
.exp-phone::before { content: ''; position: absolute; z-index: 3; top: 9px; left: 50%; width: 124px; height: 20px; transform: translateX(-50%); border-radius: 0 0 16px 16px; background: #14231f; }
.exp-screen { height: 100%; display: flex; flex-direction: column; border-radius: 34px; overflow: hidden; background: #efeae2; }
.exp-phone-bar { display: flex; align-items: center; gap: 13px; flex: none; height: 99px; padding: 27px 23px 14px; background: #075e54; color: #fff; }
.exp-avatar { width: 42px; height: 42px; flex: none; }
.exp-contact { flex: 1; }
.exp-contact strong { display: block; font: 600 20px var(--font-product); }
.exp-contact span { display: block; font: 12px var(--font-sans); margin-top: 3px; opacity: .85; }
.exp-phone-icons { display: flex; gap: 18px; align-items: center; }
.exp-phone-icons svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.exp-phone-icons i { width: 3px; height: 3px; background: currentColor; border-radius: 50%; box-shadow: 0 6px currentColor, 0 -6px currentColor; }
.exp-chat { position: relative; flex: 1; min-height: 0; padding: 18px 19px; display: flex; flex-direction: column; gap: 11px; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: #c0c9c1 transparent; background: radial-gradient(#075e5410 .8px, transparent 1px) 0 0 / 20px 20px, #efeae2; }
.exp-date { align-self: center; flex: none; padding: 6px 12px; border-radius: 6px; background: #ffffffb8; color: #68736e; font-size: 10px; letter-spacing: .09em; text-transform: uppercase; }
.exp-message { flex: none; max-width: 88%; padding: 11px 12px 7px; border-radius: 9px; background: white; align-self: flex-start; box-shadow: 0 1px 1px #00000019; }
.exp-message.user { align-self: flex-end; background: #d9fdd3; border-top-right-radius: 2px; }
.exp-message.agent { border-top-left-radius: 2px; }
.exp-message p { margin: 0; font: 400 16px/1.4 var(--font-sans); color: #17201d; }
.exp-message small { display: block; text-align: right; margin-top: 5px; font: 10px var(--font-sans); color: #718078; }
.exp-message.user small { color: #488878; }
.exp-message.video { width: 88%; padding: 5px 5px 8px; }
.exp-message video { display: block; width: 100%; aspect-ratio: 16/9; object-fit: contain; border-radius: 6px; background: #17201d; }
.exp-message.video p { padding: 9px 7px 0; font-size: 14px; }
.exp-message.video small { padding-right: 7px; }
.exp-typing { align-self: flex-start; flex: none; padding: 12px; display: flex; gap: 5px; border-radius: 8px; background: white; }
.exp-typing i { width: 5px; height: 5px; border-radius: 50%; background: #78877e; animation: exp-dot 1s ease-in-out infinite; }
.exp-typing i:nth-child(2) { animation-delay: .15s; }
.exp-typing i:nth-child(3) { animation-delay: .3s; }
.exp-chat [hidden] { display: none !important; }
.exp-composer { flex: none; display: flex; align-items: center; gap: 12px; padding: 11px 16px 17px; color: #6c7871; }
.exp-composer span { flex: 1; border-radius: 24px; background: white; padding: 11px 17px; font-size: 13px; }
.exp-composer svg { width: 23px; height: 23px; fill: none; stroke: #075e54; stroke-width: 1.7; }
.exp-chat[data-animated] .exp-message { animation: exp-message-in .25s ease both; }
@keyframes exp-message-in { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
@keyframes exp-dot { 0%, 65%, 100% { opacity: .4; transform: none; } 30% { opacity: 1; transform: translateY(-3px); } }
@media (prefers-reduced-motion: reduce) { .exp-typing i, .exp-chat[data-animated] .exp-message { animation: none; } .exp-steps li { transition: none; } }
@media print { .exp-controls { display: none; } }