/* =============================================================
   Presentation Mode — Fullscreen Slide Deck  (v2: High Impact)
   ============================================================= */

/* ---------- Overlay & Container ---------- */
.pres-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #050814;
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.pres-overlay.active { display: flex; }
body.pres-active { overflow: hidden; }

/* ---------- Slide Viewport ---------- */
.pres-viewport {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- Individual Slide ---------- */
.pres-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 72px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .65s cubic-bezier(.16,1,.3,1),
              transform .65s cubic-bezier(.16,1,.3,1);
  transform: translateX(80px) scale(.96);
  /* Per-slide gradient background */
  background: radial-gradient(ellipse 120% 80% at 20% 30%, var(--slide-bg1, rgba(139,92,246,.12)), transparent 60%),
              radial-gradient(ellipse 100% 80% at 80% 70%, var(--slide-bg2, rgba(59,130,246,.08)), transparent 60%),
              #050814;
}
.pres-slide.active {
  opacity: 1;
  pointer-events: auto;
  transform: none;
  z-index: 2;
}
.pres-slide.prev {
  opacity: 0;
  transform: translateX(-80px) scale(.96);
}

/* ---------- Vivid Background Glows ---------- */
.pres-slide::before {
  content: '';
  position: absolute;
  width: 800px; height: 800px;
  border-radius: 50%;
  filter: blur(140px);
  opacity: .55;
  pointer-events: none;
  background: radial-gradient(circle, var(--slide-c, rgba(139,92,246,.5)), transparent 65%);
  top: -10%; left: -5%;
  animation: pres-glow-drift 10s ease-in-out infinite alternate;
}
.pres-slide::after {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: .4;
  pointer-events: none;
  background: radial-gradient(circle, var(--slide-c2, rgba(59,130,246,.4)), transparent 65%);
  bottom: -5%; right: 0;
  animation: pres-glow-drift 12s ease-in-out infinite alternate-reverse;
}

@keyframes pres-glow-drift {
  0%   { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -25px) scale(1.05); }
}

/* ---------- Grid overlay for techy feel ---------- */
.pres-slide .pres-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(139,92,246,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,92,246,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* ---------- Slide Inner Layout ---------- */
.pres-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ---------- Reveal Animations ---------- */
.pres-slide [data-anim] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1),
              transform .7s cubic-bezier(.16,1,.3,1);
}
.pres-slide.active [data-anim] { opacity: 1; transform: none; }
.pres-slide.active [data-anim="1"] { transition-delay: .12s; }
.pres-slide.active [data-anim="2"] { transition-delay: .24s; }
.pres-slide.active [data-anim="3"] { transition-delay: .36s; }
.pres-slide.active [data-anim="4"] { transition-delay: .48s; }
.pres-slide.active [data-anim="5"] { transition-delay: .6s; }
.pres-slide.active [data-anim="6"] { transition-delay: .72s; }
.pres-slide.active [data-anim="7"] { transition-delay: .84s; }
.pres-slide.active [data-anim="8"] { transition-delay: .96s; }

/* Scale-in */
.pres-slide [data-anim-scale] {
  opacity: 0;
  transform: scale(.82);
  transition: opacity .8s cubic-bezier(.16,1,.3,1),
              transform .8s cubic-bezier(.16,1,.3,1);
}
.pres-slide.active [data-anim-scale] { opacity: 1; transform: none; }
.pres-slide.active [data-anim-scale="1"] { transition-delay: .2s; }
.pres-slide.active [data-anim-scale="2"] { transition-delay: .35s; }
.pres-slide.active [data-anim-scale="3"] { transition-delay: .5s; }
.pres-slide.active [data-anim-scale="4"] { transition-delay: .65s; }

/* Fade-in-left */
.pres-slide [data-anim-left] {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity .7s cubic-bezier(.16,1,.3,1),
              transform .7s cubic-bezier(.16,1,.3,1);
}
.pres-slide.active [data-anim-left] { opacity: 1; transform: none; }
.pres-slide.active [data-anim-left="1"] { transition-delay: .15s; }
.pres-slide.active [data-anim-left="2"] { transition-delay: .3s; }
.pres-slide.active [data-anim-left="3"] { transition-delay: .45s; }

/* ---------- Typography ---------- */
.pres-eyebrow {
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--eyebrow-c, #a78bfa);
  margin-bottom: 16px;
  text-shadow: 0 0 20px var(--eyebrow-c, rgba(167,139,250,.4));
}
.pres-title {
  font-size: clamp(2.2rem, 4.8vw, 3.6rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.03em;
  color: #f0f2f8;
  margin-bottom: 20px;
}
.pres-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--em-c1, #c4b5fd), var(--em-c2, #60a5fa));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pres-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: #a0aabe;
  line-height: 1.75;
  max-width: 720px;
}
.pres-subtitle strong {
  color: #f0f2f8;
  font-weight: 600;
}

/* ---------- Cover Slide ---------- */
.pres-cover {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.pres-cover .pres-title {
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
}
.pres-cover .pres-subtitle {
  margin: 0 auto 44px;
  max-width: 640px;
}
.pres-cover-stats {
  display: flex;
  gap: 56px;
  justify-content: center;
  flex-wrap: wrap;
}
.pres-stat { text-align: center; }
.pres-stat-num {
  display: block;
  font-size: 3.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--em-c1, #c4b5fd), var(--em-c2, #60a5fa));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  text-shadow: none;
  filter: brightness(1.1);
}
.pres-stat-num small { font-size: .5em; -webkit-text-fill-color: inherit; }
.pres-stat-label { font-size: .88rem; color: #8b95a8; margin-top: 6px; }

/* ---------- Two-Column Layout ---------- */
.pres-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.pres-col-text {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.pres-col-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.pres-col-visual svg,
.pres-col-visual .pres-visual-frame {
  width: 100%;
  max-width: 540px;
  height: auto;
  border-radius: 14px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.08),
    0 12px 48px rgba(0,0,0,.5),
    0 0 60px var(--visual-glow, rgba(139,92,246,.15));
}

/* ---------- Feature Pills ---------- */
.pres-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}
.pres-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 18px;
  border-radius: 999px;
  font-size: .84rem;
  font-weight: 600;
  background: color-mix(in srgb, var(--pill-c, #8b5cf6) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--pill-c, #8b5cf6) 20%, transparent);
  color: var(--pill-c, #a78bfa);
}
.pres-pill::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--pill-c, #8b5cf6);
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--pill-c, #8b5cf6);
}

/* ---------- Three-Card Grid ---------- */
.pres-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.pres-card {
  background: rgba(15, 20, 40, .7);
  border: 1px solid color-mix(in srgb, var(--card-c, #8b5cf6) 18%, transparent);
  border-radius: 16px;
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}
.pres-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--card-c, #8b5cf6), transparent);
}
.pres-card-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--card-c, #8b5cf6);
  opacity: .4;
  line-height: 1;
  margin-bottom: 16px;
}
.pres-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #f0f2f8;
  margin-bottom: 10px;
  line-height: 1.4;
}
.pres-card h3 em { font-style: normal; color: var(--card-c, #8b5cf6); }
.pres-card p { font-size: .88rem; color: #8b95a8; line-height: 1.65; }

/* ---------- Change Flow (Before -> After) ---------- */
.pres-change-flow {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 16px 0 12px;
  flex-wrap: wrap;
}
.pres-change-before {
  padding: 8px 16px;
  border-radius: 8px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  color: #6b7280;
  font-size: .9rem;
  font-weight: 500;
  text-decoration: line-through;
  text-decoration-color: rgba(255,100,100,.3);
}
.pres-change-arrow {
  width: 44px;
  height: 3px;
  background: linear-gradient(to right, transparent, var(--card-c, #8b5cf6));
  position: relative;
  flex-shrink: 0;
  border-radius: 2px;
}
.pres-change-arrow::after {
  content: '';
  position: absolute;
  right: 0; top: -5px;
  border: 6px solid transparent;
  border-left: 8px solid var(--card-c, #8b5cf6);
}
.pres-change-after {
  padding: 8px 16px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--card-c, #8b5cf6) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--card-c, #8b5cf6) 30%, transparent);
  color: var(--card-c, #8b5cf6);
  font-size: .9rem;
  font-weight: 700;
  box-shadow: 0 0 20px color-mix(in srgb, var(--card-c, #8b5cf6) 15%, transparent);
}
.pres-change-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.pres-change-tag {
  font-size: .75rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.05);
  color: #8b95a8;
  border: 1px solid rgba(255,255,255,.05);
}

/* ---------- Security Grid ---------- */
.pres-sec-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.pres-sec-item {
  text-align: center;
  padding: 30px 18px;
  background: rgba(15, 20, 40, .6);
  border: 1px solid color-mix(in srgb, var(--sec-c, #06b6d4) 15%, transparent);
  border-radius: 16px;
  backdrop-filter: blur(6px);
}
.pres-sec-icon {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--sec-c, #06b6d4) 15%, transparent);
  border: 1px solid color-mix(in srgb, var(--sec-c, #06b6d4) 30%, transparent);
  box-shadow: 0 0 24px color-mix(in srgb, var(--sec-c, #06b6d4) 20%, transparent);
}
.pres-sec-icon svg { width: 28px; height: 28px; color: var(--sec-c, #06b6d4); }
.pres-sec-item h3 { font-size: 1.05rem; font-weight: 700; color: #f0f2f8; margin-bottom: 8px; }
.pres-sec-item p { font-size: .84rem; color: #8b95a8; line-height: 1.55; }

/* ---------- Closing Two-Column ---------- */
.pres-closing-two {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 56px;
  align-items: center;
  margin-top: 56px;
}
.pres-closing-divider {
  width: 1px;
  height: 140px;
  background: linear-gradient(to bottom, transparent, rgba(139,92,246,.4), transparent);
}
.pres-closing-item { text-align: center; }
.pres-closing-num {
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--ci-c, #06b6d4);
  text-shadow: 0 0 16px var(--ci-c, rgba(6,182,212,.4));
}
.pres-closing-big {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  font-weight: 800;
  line-height: 1.3;
  margin: 16px 0 12px;
  color: #f0f2f8;
}
.pres-closing-big em {
  font-style: normal;
  color: var(--ci-c, #06b6d4);
  text-shadow: 0 0 20px color-mix(in srgb, var(--ci-c, #06b6d4) 30%, transparent);
}
.pres-closing-sub { font-size: .95rem; color: #8b95a8; line-height: 1.65; }

/* ---------- Overview Map (slide 3) ---------- */
.pres-overview-map {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 40px;
}
.pres-overview-group {
  background: rgba(15, 20, 40, .6);
  border: 1px solid color-mix(in srgb, var(--grp-c, #8b5cf6) 18%, transparent);
  border-radius: 14px;
  padding: 26px 22px;
  backdrop-filter: blur(6px);
}
.pres-overview-group-title {
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--grp-c, #8b5cf6);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--grp-c, #8b5cf6) 12%, transparent);
  text-shadow: 0 0 14px color-mix(in srgb, var(--grp-c, #8b5cf6) 30%, transparent);
}
.pres-overview-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
}
.pres-overview-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--item-c, #8b5cf6);
  flex-shrink: 0;
  box-shadow: 0 0 10px var(--item-c, #8b5cf6);
}
.pres-overview-name {
  font-size: .95rem;
  font-weight: 600;
  color: #e8ecf4;
}
.pres-overview-name small {
  font-weight: 400;
  color: #5a6478;
  margin-left: 8px;
  font-size: .8em;
}

/* ---------- Module Grid (officehub slide) ---------- */
.pres-module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 16px;
}
.pres-module {
  background: rgba(15, 20, 40, .6);
  border: 1px solid color-mix(in srgb, var(--mod-c, #7c5cff) 15%, transparent);
  border-radius: 10px;
  padding: 16px 18px;
}
.pres-module-name {
  font-size: .86rem;
  font-weight: 700;
  color: var(--mod-c, #7c5cff);
  margin-bottom: 5px;
}
.pres-module-desc { font-size: .76rem; color: #8b95a8; line-height: 1.5; }
.pres-module-status {
  display: inline-block;
  font-size: .68rem;
  padding: 3px 10px;
  border-radius: 999px;
  margin-top: 8px;
  font-weight: 600;
}
.pres-module-status--live {
  background: rgba(16, 185, 129, .15);
  color: #34d399;
  box-shadow: 0 0 12px rgba(16, 185, 129, .15);
}
.pres-module-status--dev {
  background: rgba(139, 92, 246, .12);
  color: #a78bfa;
}

/* ---------- Timeline ---------- */
.pres-timeline {
  display: flex;
  gap: 0;
  margin-top: 28px;
  position: relative;
}
.pres-timeline::before {
  content: '';
  position: absolute;
  top: 26px;
  left: 5%; right: 5%;
  height: 3px;
  background: linear-gradient(to right, #48c6b6, #54d6bd, #06b6d4);
  opacity: .5;
  border-radius: 2px;
}
.pres-timeline-item {
  flex: 1;
  text-align: center;
  position: relative;
  padding-top: 54px;
}
.pres-timeline-dot {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--tl-c, #54d6bd);
  box-shadow: 0 0 20px var(--tl-c, #54d6bd), 0 0 40px color-mix(in srgb, var(--tl-c, #54d6bd) 30%, transparent);
}
.pres-timeline-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--tl-c, #54d6bd);
  margin-bottom: 10px;
}
.pres-timeline-item p { font-size: .84rem; color: #8b95a8; line-height: 1.6; padding: 0 10px; }

/* ---------- Flow Diagram ---------- */
.pres-flow-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.pres-flow-box {
  background: rgba(15, 20, 40, .65);
  border: 1px solid color-mix(in srgb, var(--flow-c, #E8920A) 20%, transparent);
  border-radius: 12px;
  padding: 20px 24px;
  text-align: center;
  min-width: 140px;
  backdrop-filter: blur(6px);
}
.pres-flow-box h4 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--flow-c, #E8920A);
  margin-bottom: 5px;
}
.pres-flow-box p { font-size: .8rem; color: #8b95a8; }
.pres-flow-arrow {
  color: var(--flow-c, #E8920A);
  opacity: .7;
  font-size: 1.6rem;
  flex-shrink: 0;
  text-shadow: 0 0 12px var(--flow-c, rgba(232,146,10,.3));
}

/* ---------- Floor Plan Visual (officehub) ---------- */
.pres-floorplan-wrap {
  position: relative;
  width: 100%;
  max-width: 540px;
}
.pres-floorplan-wrap svg {
  width: 100%;
  height: auto;
}
.pres-floorplan-wrap .fp-room {
  fill: rgba(124,92,255,.04);
  stroke: rgba(124,92,255,.3);
  stroke-width: 1;
}
.pres-floorplan-wrap .fp-room-hi {
  fill: rgba(0,229,255,.06);
  stroke: rgba(0,229,255,.5);
  stroke-width: 1.2;
  animation: fp-pulse 2s ease-in-out infinite;
}
.pres-floorplan-wrap .fp-core {
  fill: rgba(118,152,255,.04);
  stroke: rgba(118,152,255,.2);
  stroke-width: .8;
}
.pres-floorplan-wrap .fp-meeting {
  fill: rgba(193,177,255,.04);
  stroke: rgba(193,177,255,.3);
  stroke-width: 1;
}
.pres-floorplan-wrap .fp-text { fill: #e6ecff; font-size: 9px; font-weight: 600; }
.pres-floorplan-wrap .fp-lbl { fill: #6e7aa0; font-size: 7px; }
.pres-floorplan-wrap .fp-neon { fill: #00e5ff; }
@keyframes fp-pulse {
  0%, 100% { stroke-opacity: .5; }
  50% { stroke-opacity: 1; }
}

/* ---------- Orbit Visual (insightflow) ---------- */
.pres-orbit-wrap {
  position: relative;
  width: 100%;
  max-width: 400px;
  aspect-ratio: 1;
}
.pres-orbit-wrap svg {
  width: 100%;
  height: 100%;
}
.pres-orbit-ring { fill: none; stroke-width: .8; }
.pres-orbit-ring--1 { stroke: #E8920A; opacity: .3; animation: pres-orbit-spin 20s linear infinite; transform-origin: center; }
.pres-orbit-ring--2 { stroke: #3DD68C; opacity: .25; animation: pres-orbit-spin 15s linear infinite reverse; transform-origin: center; }
.pres-orbit-ring--3 { stroke: #5B9CF5; opacity: .2; animation: pres-orbit-spin 28s linear infinite; transform-origin: center; }
.pres-orbit-node {
  r: 6;
  filter: drop-shadow(0 0 8px currentColor);
}

@keyframes pres-orbit-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ---------- Large UI Mockup Frame ---------- */
.pres-ui-frame {
  background: #0c1019;
  border-radius: 14px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.08),
    0 16px 56px rgba(0,0,0,.5),
    0 0 80px var(--visual-glow, rgba(139,92,246,.12));
  overflow: hidden;
  position: relative;
}
.pres-ui-frame svg {
  display: block;
  width: 100%;
  height: auto;
}
/* Scanline effect on UI frames */
.pres-ui-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 2px,
    rgba(0,0,0,.03) 2px,
    rgba(0,0,0,.03) 4px
  );
  pointer-events: none;
}

/* ---------- Bottom Bar ---------- */
.pres-bar {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 32px;
  background: rgba(5, 8, 20, .9);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(139,92,246,.12);
}
.pres-progress {
  position: absolute;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(to right, #8b5cf6, #3b82f6, #06b6d4);
  transition: width .4s ease;
  box-shadow: 0 0 12px rgba(139,92,246,.3);
}
.pres-page-info { font-size: .84rem; color: #5a6478; font-variant-numeric: tabular-nums; }
.pres-controls { display: flex; align-items: center; gap: 8px; }
.pres-btn {
  width: 38px; height: 38px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.04);
  color: #8b95a8;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all .2s;
}
.pres-btn:hover { background: rgba(139,92,246,.15); color: #e8ecf4; border-color: rgba(139,92,246,.3); }
.pres-btn svg { width: 18px; height: 18px; }
.pres-hint { font-size: .74rem; color: #3a4050; text-align: center; }

/* ---------- Close Button ---------- */
.pres-close {
  position: absolute;
  top: 20px; right: 24px;
  z-index: 20;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  color: #5a6478;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all .25s;
}
.pres-close:hover { background: rgba(255,255,255,.1); color: #e8ecf4; }

/* ---------- Hero Presentation Button ---------- */
.hero-pres-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #8b5cf6, #3b82f6);
  border: none;
  cursor: pointer;
  transition: all .3s;
  box-shadow: 0 4px 24px rgba(139,92,246,.35);
  position: relative;
  overflow: hidden;
}
.hero-pres-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.2), transparent);
  opacity: 0;
  transition: opacity .3s;
}
.hero-pres-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(139,92,246,.45);
}
.hero-pres-btn:hover::before { opacity: 1; }
.hero-pres-btn svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .pres-slide { padding: 40px 28px; }
  .pres-cols { grid-template-columns: 1fr; gap: 32px; }
  .pres-card-grid { grid-template-columns: 1fr; }
  .pres-sec-grid { grid-template-columns: repeat(2, 1fr); }
  .pres-overview-map { grid-template-columns: 1fr; }
  .pres-closing-two { grid-template-columns: 1fr; gap: 24px; }
  .pres-closing-divider { width: 60%; height: 1px; margin: 0 auto; }
  .pres-module-grid { grid-template-columns: repeat(2, 1fr); }
  .pres-timeline { flex-direction: column; }
  .pres-timeline::before { display: none; }
  .pres-timeline-item { padding-top: 0; padding-left: 36px; text-align: left; }
  .pres-timeline-dot { top: 4px; left: 0; }
}

@media (max-width: 600px) {
  .pres-slide { padding: 28px 16px; }
  .pres-cover-stats { gap: 24px; }
  .pres-bar { padding: 10px 16px; }
  .pres-flow-row { flex-direction: column; gap: 12px; }
  .pres-flow-arrow { transform: rotate(90deg); }
  .pres-sec-grid { grid-template-columns: 1fr; }
}