:root {
      --bg: #06120c;
      --bg-2: #0a1c12;
      --panel: #0d2418;
      --panel-2: #102e1d;
      --line: #1c4a30;
      --lime: #8aff1f;
      --lime-2: #b6ff5e;
      --green: #19b35a;
      --orange: #ff6a1a;
      --text: #eaf6ee;
      --muted: #9fc4ac;
      --white: #ffffff;
      --radius: 18px;
      --shadow: 0 20px 60px rgba(0, 0, 0, .45);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0
    }

    html {
      scroll-behavior: smooth
    }

    body {
      background: var(--bg);
      color: var(--text);
      font-family: 'Inter', system-ui, sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    h1,
    h2,
    h3,
    h4,
    .brand {
      font-family: 'Montserrat', sans-serif;
      line-height: 1.05;
      letter-spacing: -.01em
    }

    a {
      color: inherit;
      text-decoration: none
    }

    img {
      max-width: 100%;
      display: block
    }

    .wrap {
      max-width: 1180px;
      margin: 0 auto;
      padding: 0 22px
    }

    .lime {
      color: var(--lime)
    }

    .orange {
      color: var(--orange)
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-family: 'Montserrat';
      font-weight: 700;
      font-size: .72rem;
      letter-spacing: .18em;
      text-transform: uppercase;
      color: var(--lime);
      border: 1px solid var(--line);
      padding: 7px 14px;
      border-radius: 999px;
      background: rgba(138, 255, 31, .06)
    }

    .tag.orange-tag {
      color: var(--orange);
      border-color: rgba(255, 106, 26, .4);
      background: rgba(255, 106, 26, .08)
    }

    /* glow background */
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -2;
      background:
        radial-gradient(900px 500px at 78% -8%, rgba(25, 179, 90, .22), transparent 60%),
        radial-gradient(700px 500px at 8% 18%, rgba(138, 255, 31, .10), transparent 55%),
        linear-gradient(180deg, var(--bg), var(--bg-2));
    }

    .grid-deco {
      position: fixed;
      inset: 0;
      z-index: -1;
      opacity: .35;
      background-image: linear-gradient(rgba(28, 74, 48, .25) 1px, transparent 1px), linear-gradient(90deg, rgba(28, 74, 48, .25) 1px, transparent 1px);
      background-size: 46px 46px;
      mask-image: radial-gradient(circle at 50% 30%, #000, transparent 80%)
    }

    /* NAV */
    header.nav {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(12px);
      background: rgba(6, 18, 12, .72);
      border-bottom: 1px solid var(--line)
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 12px
    }

    .logo .mark {
      width: 40px;
      height: 40px
    }

    .logo b {
      font-family: 'Montserrat';
      font-weight: 900;
      font-size: 1.05rem;
      letter-spacing: .02em;
      line-height: 1
    }

    .logo span {
      display: block;
      font-size: .58rem;
      letter-spacing: .32em;
      color: var(--muted);
      font-weight: 600;
      margin-top: 3px
    }

    nav ul {
      display: flex;
      gap: 26px;
      list-style: none;
      align-items: center
    }

    nav a {
      font-size: .86rem;
      color: var(--muted);
      font-weight: 500;
      transition: color .2s
    }

    nav a:hover {
      color: var(--lime)
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      font-family: 'Montserrat';
      font-weight: 800;
      font-size: .84rem;
      letter-spacing: .02em;
      padding: 12px 22px;
      border-radius: 999px;
      cursor: pointer;
      border: none;
      transition: transform .15s, box-shadow .2s;
      white-space: nowrap
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--lime), var(--green));
      color: #06120c;
      box-shadow: 0 8px 26px rgba(138, 255, 31, .28)
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 34px rgba(138, 255, 31, .42)
    }

    .btn-ghost {
      border: 1px solid var(--line);
      color: var(--text);
      background: rgba(255, 255, 255, .02)
    }

    .btn-ghost:hover {
      border-color: var(--lime);
      color: var(--lime)
    }

    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid var(--line);
      color: var(--lime);
      border-radius: 10px;
      padding: 8px 11px;
      cursor: pointer
    }

    /* HERO */
    .hero {
      position: relative;
      padding: 78px 0 70px
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 48px;
      align-items: center
    }

    .hero h1 {
      font-size: clamp(2.4rem, 5.4vw, 4.3rem);
      font-weight: 900;
      text-transform: uppercase
    }

    .hero h1 .l1 {
      color: var(--white)
    }

    .hero h1 .l2 {
      color: var(--lime);
      text-shadow: 0 0 38px rgba(138, 255, 31, .35)
    }

    .hero .sub {
      font-family: 'Montserrat';
      font-weight: 600;
      letter-spacing: .34em;
      font-size: .82rem;
      color: var(--muted);
      text-transform: uppercase;
      margin: 14px 0 22px
    }

    .hero p.lead {
      font-size: 1.06rem;
      color: var(--text);
      max-width: 560px;
      margin-bottom: 28px
    }

    .hero-cta {
      display: flex;
      gap: 14px;
      flex-wrap: wrap
    }

    .meta-row {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: 34px
    }

    .meta-pill {
      display: flex;
      align-items: center;
      gap: 11px;
      background: var(--panel);
      border: 1px solid var(--line);
      padding: 12px 16px;
      border-radius: 14px;
      min-width: 0
    }

    .meta-pill svg {
      flex: none
    }

    .meta-pill .k {
      font-size: .66rem;
      letter-spacing: .12em;
      text-transform: uppercase;
      color: var(--muted)
    }

    .meta-pill .v {
      font-family: 'Montserrat';
      font-weight: 800;
      font-size: .96rem;
      color: var(--white)
    }

    /* hero art card */
    .hero-art {
      position: relative
    }

    .energy-card {
      position: relative;
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 30px;
      background: linear-gradient(160deg, var(--panel), rgba(13, 36, 24, .4));
      box-shadow: var(--shadow);
      overflow: hidden
    }

    .energy-card::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      right: -90px;
      top: -90px;
      background: radial-gradient(circle, rgba(138, 255, 31, .25), transparent 70%);
      border-radius: 50%
    }

    .h2tank {
      display: flex;
      align-items: center;
      gap: 18px;
      margin-bottom: 22px;
      position: relative;
      z-index: 1
    }

    .h2badge {
      width: 74px;
      height: 74px;
      border-radius: 18px;
      background: linear-gradient(135deg, #0f3a23, #0a2417);
      border: 1px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'Montserrat';
      font-weight: 900;
      color: var(--lime);
      font-size: 1.4rem
    }

    .h2badge sub {
      font-size: .85rem
    }

    .h2tank h3 {
      font-size: 1.15rem;
      color: var(--white)
    }

    .h2tank span {
      font-size: .78rem;
      color: var(--lime);
      letter-spacing: .1em;
      text-transform: uppercase;
      font-weight: 700
    }

    .feat-list {
      display: grid;
      gap: 12px;
      position: relative;
      z-index: 1
    }

    .feat-list .fi {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: .92rem;
      color: var(--text)
    }

    .feat-list .dot {
      width: 26px;
      height: 26px;
      border-radius: 8px;
      background: rgba(138, 255, 31, .12);
      border: 1px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--lime);
      flex: none
    }

    .countdown {
      display: flex;
      gap: 10px;
      margin-top: 26px;
      position: relative;
      z-index: 1
    }

    .cd {
      flex: 1;
      text-align: center;
      background: rgba(6, 18, 12, .6);
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 12px 6px
    }

    .cd b {
      display: block;
      font-family: 'Montserrat';
      font-weight: 900;
      font-size: 1.5rem;
      color: var(--lime)
    }

    .cd small {
      font-size: .6rem;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--muted)
    }

    /* generic section */
    section {
      padding: 74px 0;
      position: relative
    }

    .section-head {
      max-width: 720px;
      margin-bottom: 42px
    }

    .section-head h2 {
      font-size: clamp(1.7rem, 3.4vw, 2.6rem);
      font-weight: 800;
      color: var(--white);
      margin: 16px 0 12px;
      text-transform: uppercase
    }

    .section-head p {
      color: var(--muted);
      font-size: 1.02rem
    }

    .center {
      margin-left: auto;
      margin-right: auto;
      text-align: center
    }

    /* stats */
    .stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px
    }

    .stat {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 26px 20px;
      text-align: center;
      transition: transform .2s, border-color .2s
    }

    .stat:hover {
      transform: translateY(-4px);
      border-color: var(--lime)
    }

    .stat b {
      display: block;
      font-family: 'Montserrat';
      font-weight: 900;
      font-size: 2.3rem;
      color: var(--lime);
      line-height: 1
    }

    .stat span {
      font-size: .82rem;
      color: var(--muted);
      margin-top: 8px;
      display: block
    }

    /* speaker */
    .speaker-card {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 0;
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 26px;
      overflow: hidden;
      box-shadow: var(--shadow)
    }

    .speaker-photo {
      position: relative;
      min-height: 420px;
      background:
        radial-gradient(circle at 50% 30%, rgba(138, 255, 31, .18), transparent 60%),
        linear-gradient(160deg, #0f3a23, #06140d);
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 0;
      overflow: hidden;
    }

    .speaker-photo img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center 18%;
      z-index: 1;
    }

    .speaker-photo .ph {
      color: var(--muted);
      font-size: .82rem;
      max-width: 240px;
      z-index: 1;
      padding: 26px;
    }

    .speaker-photo .ph svg {
      margin: 0 auto 14px;
      display: block;
      opacity: .5
    }

    .speaker-photo .ring {
      position: absolute;
      width: 130px;
      height: 130px;
      border: 2px solid rgba(138, 255, 31, .35);
      border-radius: 50%;
      right: 24px;
      bottom: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 2;
    }

    .speaker-info {
      padding: 38px 40px
    }

    .speaker-info .tag {
      margin-bottom: 18px
    }

    .speaker-info h3 {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--white);
      text-transform: uppercase;
      line-height: 1
    }

    .speaker-info .role {
      color: var(--muted);
      font-size: .95rem;
      margin: 8px 0 2px
    }

    .speaker-info .org {
      color: var(--lime);
      font-weight: 700;
      font-family: 'Montserrat'
    }

    .theme-box {
      margin-top: 24px;
      border-left: 3px solid var(--orange);
      padding: 4px 0 4px 18px
    }

    .theme-box .tt {
      font-family: 'Montserrat';
      font-weight: 900;
      color: var(--lime);
      font-size: 1.25rem;
      text-transform: uppercase
    }

    .theme-box .ts {
      color: var(--text);
      font-size: 1rem
    }

    .chips {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 22px
    }

    .chip {
      font-size: .78rem;
      color: var(--text);
      background: rgba(138, 255, 31, .08);
      border: 1px solid var(--line);
      padding: 7px 13px;
      border-radius: 999px
    }

    .talk-meta {
      display: flex;
      gap: 22px;
      margin-top: 24px;
      flex-wrap: wrap;
      color: var(--muted);
      font-size: .86rem
    }

    .talk-meta b {
      color: var(--white);
      font-family: 'Montserrat'
    }

    /* speakers grid (multiple guests) */
    .speakers-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 34px
    }

    .spk-card {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 18px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform .2s, border-color .2s
    }

    .spk-card:hover {
      transform: translateY(-4px);
      border-color: var(--lime)
    }

    .spk-thumb {
      position: relative;
      aspect-ratio: 1/1;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      background: radial-gradient(circle at 50% 35%, rgba(138, 255, 31, .16), transparent 62%), linear-gradient(160deg, #0f3a23, #06140d);
      overflow: hidden;
    }

    .spk-thumb img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center top;
      z-index: 1;
      display: block;
    }

    .spk-thumb .ph {
      color: var(--muted);
      font-size: .72rem;
      padding: 14px;
      z-index: 1;
    }

    .spk-thumb .ph svg {
      margin: 0 auto 8px;
      display: block;
      opacity: .5
    }

    .spk-status {
      position: absolute;
      top: 10px;
      right: 10px;
      font-size: .6rem;
      font-weight: 800;
      letter-spacing: .08em;
      text-transform: uppercase;
      padding: 5px 9px;
      border-radius: 999px;
      z-index: 2;
    }

    .spk-status.conf {
      background: var(--lime);
      color: #06120c
    }

    .spk-status.soon {
      background: rgba(255, 106, 26, .18);
      color: var(--orange);
      border: 1px solid rgba(255, 106, 26, .4)
    }

    .spk-body {
      padding: 16px 16px 18px;
      flex: 1;
      display: flex;
      flex-direction: column
    }

    .spk-track {
      font-size: .62rem;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--lime);
      font-weight: 800
    }

    .spk-name {
      font-family: 'Montserrat';
      font-weight: 800;
      font-size: 1.02rem;
      color: var(--white);
      margin: 6px 0 2px
    }

    .spk-name.tba {
      color: var(--muted)
    }

    .spk-role {
      font-size: .78rem;
      color: var(--muted)
    }

    .spk-talk {
      font-size: .8rem;
      color: var(--text);
      margin-top: auto;
      padding-top: 12px;
      border-top: 1px solid rgba(28, 74, 48, .5)
    }

    .speakers-note {
      text-align: center;
      color: var(--muted);
      font-size: .86rem;
      margin-top: 26px
    }

    /* per-talk speaker slot in program */
    .spk-slot {
      display: block;
      font-size: .74rem;
      color: var(--muted);
      margin-top: 3px;
      font-style: italic
    }

    .spk-slot b {
      color: var(--lime);
      font-style: normal;
      font-weight: 700
    }

    .spk-slot.tba b {
      color: var(--orange)
    }

    /* program */
    .prog-tabs {
      display: flex;
      gap: 10px;
      margin-bottom: 30px;
      flex-wrap: wrap
    }

    .prog-tab {
      font-family: 'Montserrat';
      font-weight: 700;
      font-size: .84rem;
      padding: 11px 22px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: var(--panel);
      color: var(--muted);
      cursor: pointer;
      transition: .2s
    }

    .prog-tab.active {
      background: linear-gradient(135deg, var(--lime), var(--green));
      color: #06120c;
      border-color: transparent
    }

    .prog-panel {
      display: none
    }

    .prog-panel.active {
      display: block;
      animation: fade .35s ease
    }

    @keyframes fade {
      from {
        opacity: 0;
        transform: translateY(8px)
      }

      to {
        opacity: 1;
        transform: none
      }
    }

    .rooms {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px
    }

    .room {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden
    }

    .room h4 {
      font-family: 'Montserrat';
      font-weight: 800;
      font-size: .92rem;
      color: #06120c;
      background: linear-gradient(135deg, var(--lime), var(--green));
      padding: 13px 18px;
      text-transform: uppercase;
      letter-spacing: .02em
    }

    .room ul {
      list-style: none;
      padding: 8px 0
    }

    .room li {
      display: flex;
      gap: 12px;
      padding: 10px 18px;
      font-size: .88rem;
      border-bottom: 1px solid rgba(28, 74, 48, .4)
    }

    .room li:last-child {
      border-bottom: none
    }

    .room li .t {
      font-family: 'Montserrat';
      font-weight: 800;
      color: var(--lime);
      flex: none;
      min-width: 54px
    }

    .room li .d {
      color: var(--text)
    }

    .prog-full {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 8px 0;
      margin-top: 18px
    }

    .prog-full li {
      display: flex;
      gap: 16px;
      padding: 13px 22px;
      font-size: .92rem;
      border-bottom: 1px solid rgba(28, 74, 48, .4);
      align-items: baseline
    }

    .prog-full li:last-child {
      border-bottom: none
    }

    .prog-full .t {
      font-family: 'Montserrat';
      font-weight: 800;
      color: var(--lime);
      flex: none;
      min-width: 84px
    }

    .prog-full .feat {
      color: var(--white);
      font-weight: 600
    }

    .prog-note {
      color: var(--muted);
      font-size: .82rem;
      margin-top: 22px;
      text-align: center
    }

    /* ── TIMELINE ── */
    .timeline {
      position: relative;
      display: flex;
      flex-direction: column;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: 24px;
      top: 16px;
      bottom: 0;
      width: 2px;
      background: linear-gradient(to bottom, var(--lime), var(--green), rgba(28,74,48,.2));
      border-radius: 2px;
    }

    .tl-item {
      display: grid;
      grid-template-columns: 48px 120px 1fr;
      gap: 0 20px;
      align-items: flex-start;
      position: relative;
      padding: 8px 0;
    }

    .tl-dot {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--panel-2);
      border: 2px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      z-index: 1;
      position: relative;
      margin-top: 8px;
      justify-self: center;
      transition: transform .2s, border-color .2s;
    }

    .tl-item:hover .tl-dot {
      transform: scale(1.12);
      border-color: var(--lime);
    }

    .tl-dot-lime {
      border-color: var(--lime);
      background: linear-gradient(rgba(138,255,31,.1), rgba(138,255,31,.1)), var(--bg);
      box-shadow: 0 0 14px rgba(138,255,31,.25);
    }

    .tl-dot-orange {
      border-color: var(--orange);
      background: linear-gradient(rgba(255,106,26,.1), rgba(255,106,26,.1)), var(--bg);
      box-shadow: 0 0 14px rgba(255,106,26,.22);
    }

    .tl-time {
      font-family: 'Montserrat';
      font-weight: 800;
      font-size: .78rem;
      color: var(--lime);
      padding-top: 22px;
      letter-spacing: .02em;
      white-space: nowrap;
    }

    .tl-card {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 18px 22px;
      transition: border-color .2s, transform .2s;
    }

    .tl-item:hover .tl-card {
      border-color: rgba(138,255,31,.35);
      transform: translateX(4px);
    }

    .tl-label {
      font-size: .98rem;
      color: var(--text);
      font-weight: 500;
    }

    .tl-card-featured {
      background: linear-gradient(135deg, rgba(138,255,31,.07), rgba(13,36,24,.8));
      border-color: rgba(138,255,31,.3);
    }

    .tl-card-block {
      background: linear-gradient(135deg, rgba(255,106,26,.07), rgba(13,36,24,.8));
      border-color: rgba(255,106,26,.3);
    }

    .tl-badge {
      display: inline-block;
      font-family: 'Montserrat';
      font-weight: 800;
      font-size: .6rem;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: #06120c;
      background: var(--lime);
      padding: 4px 10px;
      border-radius: 999px;
      margin-bottom: 10px;
    }

    .tl-badge-orange {
      background: var(--orange);
      color: #fff;
    }

    .tl-title {
      font-family: 'Montserrat';
      font-weight: 800;
      font-size: 1.05rem;
      color: var(--white);
      line-height: 1.3;
      margin-bottom: 6px;
    }

    .tl-sub {
      font-size: .88rem;
      color: var(--muted);
      margin-bottom: 10px;
    }

    .tl-speaker {
      font-size: .82rem;
      color: var(--muted);
    }

    .tl-speaker strong {
      color: var(--lime);
    }

    /* rooms-mini dentro do tl-card-block */
    .rooms-mini {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 16px;
    }

    .room-mini {
      display: flex;
      align-items: center;
      gap: 10px;
      background: rgba(6,18,12,.5);
      border: 1px solid rgba(255,106,26,.2);
      border-radius: 12px;
      padding: 12px 14px;
      transition: border-color .2s, background .2s;
    }

    .room-mini:hover {
      border-color: var(--orange);
      background: rgba(255,106,26,.06);
    }

    .room-icon {
      font-size: 1.4rem;
      flex: none;
    }

    .room-mini-num {
      font-family: 'Montserrat';
      font-weight: 800;
      font-size: .62rem;
      letter-spacing: .12em;
      text-transform: uppercase;
      color: var(--orange);
    }

    .room-mini-name {
      font-size: .84rem;
      color: var(--text);
      font-weight: 600;
      margin-top: 2px;
      line-height: 1.3;
    }

    @media(max-width:600px) {
      .tl-item {
        grid-template-columns: 80px 1fr;
      }
      .tl-time {
        font-size: .7rem;
      }
    }

    @media(max-width:720px) {
      .rooms-mini {
        grid-template-columns: 1fr;
      }
      .tl-item {
        grid-template-columns: 72px 1fr;
        gap: 12px;
      }
    }

    @media(max-width:980px) {
      .rooms-mini {
        grid-template-columns: 1fr 1fr;
      }
    }

    /* why sponsor */
    .why-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px
    }

    .why {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 26px;
      transition: .2s
    }

    .why:hover {
      transform: translateY(-4px);
      border-color: var(--lime)
    }

    .why .ic {
      width: 50px;
      height: 50px;
      border-radius: 14px;
      background: rgba(138, 255, 31, .1);
      border: 1px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--lime);
      margin-bottom: 16px
    }

    .why h4 {
      font-size: 1.05rem;
      color: var(--white);
      margin-bottom: 8px
    }

    .why p {
      font-size: .9rem;
      color: var(--muted)
    }

    /* sponsorship tiers */
    .tiers {
      display: grid;
      grid-template-columns: 1fr;
      gap: 14px;
      align-items: stretch
    }

    .tier {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 24px 20px;
      display: flex;
      flex-direction: column;
      transition: .2s
    }

    .tier:hover {
      transform: translateY(-5px)
    }

    .tier.master {
      grid-column: 1 / -1;
      background: linear-gradient(135deg, rgba(138, 255, 31, .1), var(--panel-2));
      border-color: var(--lime);
      box-shadow: 0 14px 40px rgba(138, 255, 31, .14)
    }

    .tier .name {
      font-family: 'Montserrat';
      font-weight: 900;
      text-transform: uppercase;
      letter-spacing: .06em;
      font-size: 1.05rem
    }

    .tier.master .name {
      color: var(--lime);
      font-size: 1.4rem
    }

    .tier .price {
      font-family: 'Montserrat';
      font-weight: 900;
      font-size: 1.5rem;
      color: var(--white);
      margin: 6px 0 4px
    }

    .tier.master .price {
      font-size: 2rem;
      color: var(--lime)
    }

    .tier .lvl {
      font-size: .7rem;
      letter-spacing: .16em;
      text-transform: uppercase;
      color: var(--muted)
    }

    .tier ul {
      list-style: none;
      margin-top: 16px;
      display: grid;
      gap: 9px
    }

    .tier li {
      font-size: .82rem;
      color: var(--text);
      display: flex;
      gap: 9px;
      align-items: flex-start
    }

    .tier li::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--lime);
      margin-top: 7px;
      flex: none
    }

    .tier .grid-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px 26px
    }

    .tier .stand-flag {
      margin-top: 14px;
      font-size: .7rem;
      font-weight: 800;
      letter-spacing: .1em;
      color: var(--orange);
      text-transform: uppercase
    }

    /* expositor */
    .expo {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
      background: linear-gradient(160deg, var(--panel), rgba(13, 36, 24, .3));
      border: 1px solid var(--line);
      border-radius: 26px;
      padding: 40px;
      box-shadow: var(--shadow)
    }

    .expo h3 {
      font-size: 2rem;
      font-weight: 900;
      color: var(--white);
      text-transform: uppercase
    }

    .expo .price {
      font-family: 'Montserrat';
      font-weight: 900;
      font-size: 2.4rem;
      color: var(--lime);
      margin: 14px 0
    }

    .expo p {
      color: var(--muted);
      margin-bottom: 8px
    }

    .stand-vis {
      aspect-ratio: 3/2;
      border-radius: 18px;
      overflow: hidden;
      border: 1.5px solid rgba(138, 255, 31, .25);
      box-shadow: 0 8px 40px rgba(0, 0, 0, .45), 0 0 0 1px rgba(138, 255, 31, .08);
      background: var(--panel);
      width: 100%;
    }

    .stand-vis img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
      display: block;
      transition: transform .4s ease;
    }

    .stand-vis:hover img {
      transform: scale(1.03);
    }

    /* contact / CTA */
    .cta-final {
      background: linear-gradient(135deg, rgba(138, 255, 31, .12), rgba(25, 179, 90, .06));
      border: 1px solid var(--lime);
      border-radius: 26px;
      padding: 52px 40px;
      text-align: center;
      box-shadow: 0 18px 50px rgba(138, 255, 31, .12)
    }

    .cta-final h2 {
      font-size: clamp(1.8rem, 4vw, 2.8rem);
      font-weight: 900;
      text-transform: uppercase;
      color: var(--white)
    }

    .cta-final p {
      color: var(--text);
      max-width: 560px;
      margin: 14px auto 28px;
      font-size: 1.05rem
    }

    .cta-final .btn-primary {
      font-size: 1rem;
      padding: 16px 34px
    }

    .contact-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-top: 40px
    }

    .cc {
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 24px;
      text-align: left
    }

    .cc .ic {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(138, 255, 31, .1);
      border: 1px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--lime);
      margin-bottom: 14px
    }

    .cc .k {
      font-size: .7rem;
      letter-spacing: .14em;
      text-transform: uppercase;
      color: var(--muted)
    }

    .cc .v {
      font-family: 'Montserrat';
      font-weight: 700;
      color: var(--white);
      font-size: 1rem
    }

    .cc .v small {
      display: block;
      font-weight: 400;
      color: var(--muted);
      font-size: .82rem;
      font-family: 'Inter'
    }

    /* footer */
    footer {
      border-top: 1px solid var(--line);
      padding: 40px 0;
      margin-top: 20px
    }

    .foot {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
      flex-wrap: wrap
    }

    .foot small {
      color: var(--muted);
      font-size: .8rem
    }

    .socials {
      display: flex;
      gap: 12px
    }

    .socials a {
      width: 40px;
      height: 40px;
      border: 1px solid var(--line);
      border-radius: 11px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--muted);
      transition: .2s
    }

    .socials a:hover {
      color: var(--lime);
      border-color: var(--lime)
    }


    /* ===== RESPONSIVE ===== */

    /* fluid transitions em elementos chave */
    .speaker-card,
    .speaker-photo,
    .speaker-photo img,
    .hero-grid,
    .speakers-grid,
    .stats,
    .why-grid,
    .tiers,
    .rooms,
    .contact-grid,
    .expo,
    .tier,
    .spk-card,
    .why,
    .stat {
      transition:
        grid-template-columns .35s ease,
        min-height .35s ease,
        max-height .35s ease,
        aspect-ratio .35s ease,
        padding .3s ease,
        border-radius .3s ease,
        gap .3s ease;
    }

    /* ── 1100px: comprime levemente as colunas do hero e do speaker-card ── */
    @media(max-width:1100px) {
      .hero-grid {
        grid-template-columns: 1.25fr .75fr;
        gap: 32px;
      }

      .speaker-card {
        grid-template-columns: .78fr 1.22fr;
      }


      .tier.master {
        grid-column: 1 / -1;
      }
    }

    /* ── 980px: empilha hero, speaker-card e expo em coluna única ── */
    @media(max-width:980px) {

      .hero-grid,
      .speaker-card,
      .expo {
        grid-template-columns: 1fr;
      }

      .hero-grid {
        gap: 40px;
      }

      .speaker-photo {
        min-height: 400px;
        max-height: 520px;
        aspect-ratio: 16 / 9;
      }

      .stats,
      .why-grid,
      .tiers,
      .rooms,
      .contact-grid,
      .speakers-grid {
        grid-template-columns: 1fr 1fr;
      }


      .tier.master {
        grid-column: auto;
      }

      nav ul {
        display: none;
      }

      .menu-toggle {
        display: inline-flex;
      }

      nav.open ul {
        display: flex;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-2);
        border-bottom: 1px solid var(--line);
        padding: 18px 22px;
        gap: 16px;
      }
    }

    /* ── 720px: breakpoint intermediário ── */
    @media(max-width:720px) {

      .speaker-photo {
        min-height: 360px;
        max-height: 460px;
        aspect-ratio: 4 / 3;
      }

      .speaker-info {
        padding: 28px 30px;
      }

      .speaker-info h3 {
        font-size: 1.7rem;
      }

      .rooms {
        grid-template-columns: 1fr;
      }


      .cta-final {
        padding: 36px 28px;
      }

      .expo {
        padding: 28px;
        gap: 22px;
      }

      .expo h3 {
        font-size: 1.5rem;
      }
    }

    /* ── 600px: mobile ── */
    @media(max-width:600px) {

      .stats,
      .why-grid,
      .tiers,
      .rooms,
      .contact-grid,
      .speakers-grid {
        grid-template-columns: 1fr;
      }

      .speaker-photo {
        min-height: 320px;
        max-height: 400px;
        aspect-ratio: 1 / 1;
      }

      .hero {
        padding: 48px 0;
      }

      section {
        padding: 54px 0;
      }

      .nav-cta-text {
        display: none;
      }

      .speaker-info,
      .energy-card,
      .expo,
      .cta-final {
        padding: 22px;
      }

      .speaker-info h3 {
        font-size: 1.45rem;
      }

      .chips {
        gap: 6px;
      }

      .chip {
        font-size: .72rem;
        padding: 5px 11px;
      }

      .prog-tab {
        font-size: .76rem;
        padding: 9px 16px;
      }

      .meta-pill .v {
        font-size: .84rem;
      }

      /* timeline mobile */
      .tl-item {
        grid-template-columns: 40px 80px 1fr;
        gap: 0 12px;
      }

      .tl-time {
        font-size: .7rem;
      }
    }

    @media(max-width:720px) {
      .rooms-mini {
        grid-template-columns: 1fr;
      }

      .tl-item {
        grid-template-columns: 44px 100px 1fr;
        gap: 0 16px;
      }
    }

    @media(max-width:980px) {
      .rooms-mini {
        grid-template-columns: 1fr 1fr;
      }
    }