/* KOSTA 2026 Registration Website — Mockup Styles */
:root {
  --navy: #0a2e3d;
  --teal: #0d6e7a;
  --teal-bright: #1a9aa8;
  --coral: #e85d3c;
  --coral-hover: #d14a2a;
  --sand: #f0f4f6;
  --ink: #12262f;
  --muted: #5a6f78;
  --line: #d5e0e5;
  --white: #ffffff;
  --success: #1f8a5b;
  --warn: #c9891a;
  --radius: 4px;
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --max: 1120px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--sand);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

/* ——— Header ——— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.35s ease, box-shadow 0.35s ease;
}

.site-header.is-scrolled,
.site-header.solid {
  background: rgba(10, 46, 61, 0.96);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
}

.header-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--white);
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo span {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s;
}

.nav a:hover,
.nav a.active {
  color: var(--white);
}

.nav-cta {
  background: var(--coral) !important;
  color: var(--white) !important;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
  transition: background 0.2s !important;
}

.nav-cta:hover {
  background: var(--coral-hover) !important;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--white);
  cursor: pointer;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform 0.25s, opacity 0.25s;
}

/* ——— Hero ——— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroZoom 18s ease-out forwards;
}

@keyframes heroZoom {
  from {
    transform: scale(1.08);
  }
  to {
    transform: scale(1);
  }
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 46, 61, 0.35) 0%, rgba(10, 46, 61, 0.15) 35%, rgba(10, 46, 61, 0.88) 100%),
    linear-gradient(90deg, rgba(10, 46, 61, 0.55) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: calc(var(--header-h) + 2rem) 0 4.5rem;
  animation: fadeUp 0.9s ease-out both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.2rem, 9vw, 6.5rem);
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin-bottom: 0.35rem;
}

.hero-brand em {
  font-style: normal;
  color: var(--teal-bright);
  display: block;
  font-size: 0.38em;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 0.4rem;
  opacity: 0.95;
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  letter-spacing: -0.02em;
  max-width: 22ch;
  margin: 1.25rem 0 0.65rem;
}

.hero-sub {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 36ch;
  margin-bottom: 1.75rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 2rem;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  border: 0;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, color 0.2s, border-color 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--coral);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--coral-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline {
  background: transparent;
  color: var(--teal);
  border: 1.5px solid var(--teal);
}

.btn-outline:hover {
  background: var(--teal);
  color: var(--white);
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
}

/* ——— Sections ——— */
.section {
  padding: 5rem 0;
}

.section-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.section-lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 52ch;
}

.section-dark {
  background: var(--navy);
  color: var(--white);
}

.section-dark .section-lead {
  color: rgba(255, 255, 255, 0.7);
}

.section-dark .section-label {
  color: var(--teal-bright);
}

.section-white {
  background: var(--white);
}

/* ——— Countdown ——— */
.countdown-strip {
  background: var(--navy);
  color: var(--white);
  padding: 2.5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.countdown-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.countdown-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
}

.countdown-label span {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.85rem;
  opacity: 0.65;
  margin-top: 0.2rem;
}

.countdown-units {
  display: flex;
  gap: 1rem;
}

.countdown-unit {
  text-align: center;
  min-width: 70px;
}

.countdown-unit strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  animation: pulseNum 1s ease-in-out infinite alternate;
}

@keyframes pulseNum {
  from {
    opacity: 1;
  }
  to {
    opacity: 0.85;
  }
}

.countdown-unit small {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.55;
  font-weight: 600;
}

/* ——— Intro ——— */
.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.intro-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.intro-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--teal);
  letter-spacing: -0.03em;
}

.intro-stat span {
  font-size: 0.85rem;
  color: var(--muted);
}

.intro-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius);
}

.intro-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ——— Video ——— */
.video-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0a1a22;
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 2rem;
}

.video-wrap iframe,
.video-wrap video {
  width: 100%;
  height: 100%;
  border: 0;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background:
    linear-gradient(135deg, rgba(13, 110, 122, 0.55), rgba(10, 46, 61, 0.85)),
    url("https://images.unsplash.com/photo-1511632765486-a01980e01a18?w=1400&q=80") center / cover;
  color: var(--white);
  cursor: pointer;
  transition: opacity 0.3s;
}

.video-placeholder:hover .play-btn {
  transform: scale(1.08);
}

.play-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--coral);
  display: grid;
  place-items: center;
  transition: transform 0.25s;
}

.play-btn svg {
  margin-left: 3px;
}

/* ——— Speakers ——— */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
}

.speaker {
  text-align: left;
}

.speaker-photo {
  aspect-ratio: 3 / 4;
  background: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1rem;
}

.speaker-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%);
  transition: filter 0.3s, transform 0.5s;
}

.speaker:hover .speaker-photo img {
  filter: grayscale(0%);
  transform: scale(1.04);
}

.speaker h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.speaker .role {
  color: var(--teal);
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0.2rem 0 0.5rem;
}

.speaker p {
  font-size: 0.92rem;
  color: var(--muted);
}

/* ——— Theme ——— */
.theme-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.theme-verse {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.02em;
  border-left: 3px solid var(--coral);
  padding-left: 1.25rem;
}

.theme-verse cite {
  display: block;
  margin-top: 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-style: normal;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: 0.04em;
}

/* ——— Schedule ——— */
.schedule-tabs {
  display: flex;
  gap: 0.5rem;
  margin: 2rem 0 1.5rem;
  flex-wrap: wrap;
}

.schedule-tab {
  padding: 0.65rem 1.25rem;
  border: 1.5px solid var(--line);
  background: var(--white);
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--muted);
  transition: all 0.2s;
}

.schedule-tab.active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.schedule-day {
  display: none;
}

.schedule-day.active {
  display: block;
  animation: fadeUp 0.4s ease-out;
}

.schedule-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.schedule-row:last-child {
  border-bottom: 0;
}

.schedule-time {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--teal);
}

.schedule-event strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.2rem;
}

.schedule-event span {
  font-size: 0.88rem;
  color: var(--muted);
}

.schedule-event .tag {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--coral);
}

/* ——— Registration Form ——— */
.page-hero {
  background: var(--navy);
  color: var(--white);
  padding: calc(var(--header-h) + 3rem) 0 3rem;
}

.page-hero .section-inner {
  animation: fadeUp 0.6s ease-out;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.25rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.page-hero p {
  margin-top: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 48ch;
}

.form-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2.5rem;
  align-items: start;
}

.form-panel {
  background: var(--white);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.form-section {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.form-section:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.form-section h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-grid .full {
  grid-column: 1 / -1;
}

.field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--ink);
}

.field label .req {
  color: var(--coral);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--sand);
  color: var(--ink);
  transition: border-color 0.2s, background 0.2s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: var(--white);
}

.field textarea {
  min-height: 100px;
  resize: vertical;
}

.checkbox-field {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-top: 1rem;
}

.checkbox-field input {
  margin-top: 0.3rem;
  accent-color: var(--teal);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.checkbox-field label {
  font-size: 0.9rem;
  color: var(--muted);
}

.summary-panel {
  background: var(--navy);
  color: var(--white);
  padding: 1.75rem;
  border-radius: var(--radius);
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}

.summary-panel h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 1rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.92rem;
}

.summary-row.total {
  border-bottom: 0;
  margin-top: 0.5rem;
  font-weight: 800;
  font-size: 1.15rem;
}

.summary-panel .btn {
  width: 100%;
  margin-top: 1.25rem;
}

.paypal-note {
  margin-top: 1rem;
  font-size: 0.78rem;
  opacity: 0.6;
  text-align: center;
}

/* ——— Contact ——— */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-item {
  margin-bottom: 1.75rem;
}

.contact-item h3 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.4rem;
}

.contact-item p,
.contact-item a {
  font-size: 1.05rem;
  font-weight: 600;
}

.contact-item a:hover {
  color: var(--coral);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.social-links a {
  color: var(--teal);
  font-weight: 700;
  font-size: 0.95rem;
  border-bottom: 1.5px solid transparent;
}

.social-links a:hover {
  border-color: var(--teal);
}

.map-placeholder {
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(rgba(10, 46, 61, 0.15), rgba(10, 46, 61, 0.35)),
    url("https://images.unsplash.com/photo-1524661135-423995f22d0b?w=1000&q=80") center / cover;
  border-radius: var(--radius);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
  color: var(--white);
}

.map-placeholder p {
  font-weight: 700;
  font-size: 0.95rem;
}

/* ——— Admin ——— */
.admin-body {
  background: #e8eef1;
}

.admin-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: var(--navy);
  color: var(--white);
  padding: 1.5rem 1rem;
}

.admin-sidebar .logo {
  padding: 0.5rem 0.75rem 1.5rem;
}

.admin-nav a {
  display: block;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.25rem;
}

.admin-nav a:hover,
.admin-nav a.active {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.admin-main {
  padding: 1.75rem;
  overflow-x: auto;
}

.admin-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.admin-top h1 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-box {
  background: var(--white);
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.stat-box span {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.stat-box strong {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1rem;
  background: var(--white);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.filters input,
.filters select {
  padding: 0.55rem 0.75rem;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--sand);
  font-size: 0.88rem;
  min-width: 140px;
}

.filters input[type="search"] {
  flex: 1;
  min-width: 200px;
}

.table-wrap {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th {
  text-align: left;
  padding: 0.85rem 1rem;
  background: var(--sand);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 700;
  white-space: nowrap;
}

td {
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--line);
  white-space: nowrap;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-paid {
  background: #d8f3e4;
  color: var(--success);
}

.badge-pending {
  background: #fef0d4;
  color: var(--warn);
}

.badge-unpaid {
  background: #fde4de;
  color: var(--coral);
}

/* ——— Footer ——— */
.site-footer {
  background: #071e28;
  color: rgba(255, 255, 255, 0.65);
  padding: 3rem 0 2rem;
}

.footer-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-nav a {
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--white);
}

.footer-bottom {
  width: min(100% - 2rem, var(--max));
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
}

/* ——— Success toast / modal ——— */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 30, 40, 0.65);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}

.modal-overlay.open {
  display: flex;
  animation: fadeUp 0.3s ease-out;
}

.modal {
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius);
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.modal h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 1rem 0 0.5rem;
}

.modal p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.modal-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto;
  border-radius: 50%;
  background: #d8f3e4;
  color: var(--success);
  display: grid;
  place-items: center;
  font-size: 1.5rem;
  font-weight: 800;
}

/* ——— Reveal on scroll ——— */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ——— Responsive ——— */
@media (max-width: 900px) {
  .intro-grid,
  .theme-block,
  .contact-grid,
  .form-layout {
    grid-template-columns: 1fr;
  }

  .speakers-grid {
    grid-template-columns: 1fr;
    max-width: 360px;
  }

  .admin-shell {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
  }

  .admin-sidebar .logo {
    padding: 0.25rem 0.5rem;
  }

  .admin-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    width: 100%;
  }

  .admin-stats {
    grid-template-columns: 1fr 1fr;
  }

  .summary-panel {
    position: static;
  }

  .nav-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    background: rgba(10, 46, 61, 0.98);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 1.25rem 1.5rem;
    gap: 0;
    display: none;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-cta {
    margin-top: 0.75rem;
    text-align: center;
  }
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .schedule-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .countdown-unit {
    min-width: 56px;
  }

  .intro-stats {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding-bottom: 3rem;
  }
}