/* ============================================================
   SmartEdTech Webinar Landing Page — smart-edtech.css
   BEM-style with `se-` prefix
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --se-blue: #2b5be8;
  --se-blue-dark: #1a3acc;
  --se-blue-deeper: #0f2494;
  --se-blue-card: #1e3a8a;
  --se-text: #1a1f2e;
  --se-muted: #6b7280;
  --se-bg: #f8f9fe;
  --se-white: #ffffff;
  --se-border: #e5e7f0;
  --se-gradient: linear-gradient(0.361turn, rgba(75, 120, 221, 1) 18%, rgba(33, 64, 154, 1) 91%);
  --se-radius: 16px;
  --se-radius-sm: 10px;
  --se-font: "Stratos LC Web", "Inter", -apple-system, sans-serif;
}

/* ---------- Global Reset ---------- */
.se-page * {
  box-sizing: border-box;
}
.se-page {
  font-family: var(--se-font);
  color: var(--se-text);
  background: var(--se-white);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.se-hero {
  background: var(--se-white);
  padding: 60px 0 40px;
  overflow: hidden;
  position: relative;
}

.se-hero__top-logos {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.se-hero__support-label {
  font-size: 11px;
  color: var(--se-muted);
  line-height: 1.3;
}

.se-hero__pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.se-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1.5px solid var(--se-blue);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--se-blue);
  background: var(--se-white);
  letter-spacing: 0.02em;
}
.se-pill--format {
  background: linear-gradient(135deg, var(--se-blue) 0%, var(--se-blue-deeper) 100%);
  color: var(--se-white);
  border-color: transparent;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.se-pill svg,
.se-pill img {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.se-hero__title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--se-text);
  margin-bottom: 16px;
}

/* Gradient text utility used in hero heading */
.text-gradient {
  background: linear-gradient(135deg, var(--se-blue) 0%, var(--se-blue-deeper) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.se-hero__subtitle {
  font-size: 16px;
  color: var(--se-muted);
  line-height: 1.55;
  margin-bottom: 32px;
  max-width: 480px;
}

.se-hero__cta {
  display: inline-flex;
  align-items: center;
  background: var(--se-blue);
  color: var(--se-white);
  border: none;
  border-radius: 50px;
  padding: 14px 36px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition:
    background 0.2s,
    transform 0.15s,
    box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(43, 91, 232, 0.3);
  cursor: pointer;
}
.se-hero__cta:hover {
  background: var(--se-blue-dark);
  color: var(--se-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(43, 91, 232, 0.4);
}

/* Right column illustration area */
.se-hero__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.se-hero__illustration {
  width: 100%;
  max-width: 480px;
  height: auto;
}

/* Partner / sponsor logos grid */
.se-sponsor-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 16px;
  max-width: 480px;
}
.se-sponsor-logos__item {
  background: var(--se-white);
  border: 1.5px solid var(--se-border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--se-text);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.se-sponsor-logos__item img {
  height: 18px;
  width: auto;
}

/* ============================================================
   AGENDA SECTION
   ============================================================ */
.se-agenda {
  padding: 70px 0 60px;
  background: var(--se-white);
}

.se-agenda__eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--se-muted);
  margin-bottom: 16px;
}

.se-agenda__heading {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 8px;
}
.se-agenda__heading-accent {
  color: var(--se-blue);
}

.se-agenda__intro {
  font-size: 18px;
  color: var(--se-muted);
  line-height: 1.6;
  margin-bottom: 40px;
}

.se-agenda__cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.se-agenda-card {
  border: 1.5px solid var(--se-border);
  border-radius: var(--se-radius);
  padding: 28px 32px;
  background: var(--se-white);
  transition: box-shadow 0.2s;
}
.se-agenda-card:hover {
  box-shadow: 0 4px 24px rgba(43, 91, 232, 0.08);
}
.se-agenda-card--highlight {
  background: linear-gradient(135deg, var(--se-blue) 0%, var(--se-blue-deeper) 100%);
  border-color: transparent;
  color: var(--se-white);
}
.se-agenda-card--highlight .se-agenda-card__title,
.se-agenda-card--highlight .se-agenda-card__items {
  color: var(--se-white);
}
.se-agenda-card--highlight .se-agenda-card__num {
  background: rgba(255, 255, 255, 0.25);
  color: var(--se-white);
}

.se-agenda-card__num {
  display: inline-flex;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--se-blue);
  color: var(--se-white);
  font-weight: 700;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  flex-shrink: 0;
}

.se-agenda-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--se-text);
}

.se-agenda-card__items {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--se-muted);
  font-size: 16px;
  line-height: 1.7;
}
.se-agenda-card--highlight .se-agenda-card__items {
  color: rgba(255, 255, 255, 0.85);
}
.se-agenda-card__items li::before {
  content: "— ";
}

/* ============================================================
   SPEAKERS SECTION
   ============================================================ */
.se-speakers {
  padding: 70px 0;
  background: var(--se-bg);
}

.se-speakers__heading {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 36px;
}

.se-speaker-card {
  background: var(--se-white);
  border: 1.5px solid var(--se-border);
  border-radius: var(--se-radius);
  overflow: hidden;
  transition:
    box-shadow 0.2s,
    transform 0.15s;
}
.se-speaker-card:hover {
  box-shadow: 0 8px 32px rgba(43, 91, 232, 0.12);
  transform: translateY(-3px);
}

.se-speaker-card__photo-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #e8ecf5;
}
.se-speaker-card__photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.se-speaker-card__body {
  padding: 18px 20px 20px;
}

.se-speaker-card__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--se-blue);
  margin-bottom: 4px;
}

.se-speaker-card__role {
  font-size: 13px;
  color: var(--se-muted);
  line-height: 1.45;
}

/* Avatar initials circle (used when no photo is available) */
.se-speaker-card__avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--se-blue) 0%, var(--se-blue-deeper) 100%);
  color: var(--se-white);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin: 24px 20px 0;
  flex-shrink: 0;
}

/* Company / product badge below role */
.se-speaker-card__company {
  display: inline-block;
  margin-top: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--se-blue);
  background: rgba(43, 91, 232, 0.08);
  border-radius: 50px;
  padding: 3px 12px;
  letter-spacing: 0.02em;
}

/* ============================================================
   REGISTRATION FORM SECTION
   ============================================================ */
.se-register {
  padding: 80px 0;
  background: linear-gradient(160deg, #f0f3ff 0%, #f8f9fe 60%, #eef1fb 100%);
  position: relative;
  overflow: hidden;
}

/* Decorative blobs */
.se-register::before,
.se-register::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.se-register::before {
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(43, 91, 232, 0.07) 0%,
    transparent 70%
  );
  top: -100px;
  left: -100px;
}
.se-register::after {
  width: 300px;
  height: 300px;
  background: radial-gradient(
    circle,
    rgba(43, 91, 232, 0.05) 0%,
    transparent 70%
  );
  bottom: -80px;
  right: -80px;
}

.se-register__inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.se-register__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--se-text);
}

.se-register__subtitle {
  font-size: 18px;
  font-weight: 400;
  color: var(--se-text);
  margin-bottom: 36px;
}
.se-register__subtitle-accent {
  color: var(--se-blue);
  font-weight: 600;
}

/* Form fields */
.se-form {
  text-align: left;
}

.se-input-wrap {
  position: relative;
  margin-bottom: 14px;
}

.se-input {
  width: 100%;
  border: 1.5px solid var(--se-border);
  border-radius: 50px !important;
  padding: 14px 22px !important;
  font-size: 15px !important;
  background: var(--se-white) !important;
  color: var(--se-text) !important;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
  outline: none;
  font-family: var(--se-font);
}
.se-input:focus {
  border-color: var(--se-blue);
  box-shadow: 0 0 0 3px rgba(43, 91, 232, 0.12);
}
.se-input::placeholder {
  color: #9ca3af;
}
.se-input.is-invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Phone row with flag prefix */
.se-phone-row {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--se-border);
  border-radius: 50px;
  overflow: hidden;
  background: var(--se-white);
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
  margin-bottom: 14px;
}
.se-phone-row:focus-within {
  border-color: var(--se-blue);
  box-shadow: 0 0 0 3px rgba(43, 91, 232, 0.12);
}
.se-phone-row.is-invalid {
  border-color: #ef4444;
}
.se-phone-row__prefix {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 14px;
  font-size: 16px;
  font-weight: 500;
  color: var(--se-text);
  border-right: 1px solid var(--se-border);
  white-space: nowrap;
  user-select: none;
  flex-shrink: 0;
  height: 50px;
}
.se-phone-row__prefix img {
  width: 20px;
  height: 14px;
  border-radius: 2px;
  object-fit: cover;
}
.se-phone-input {
  flex: 1;
  border: none !important;
  border-radius: 0 !important;
  padding: 14px 18px !important;
  font-size: 15px !important;
  background: transparent !important;
  color: var(--se-text) !important;
  outline: none;
  font-family: var(--se-font);
  box-shadow: none !important;
}
.se-phone-input::placeholder {
  color: #9ca3af;
}

/* Validation messages */
.se-field-error {
  color: #ef4444;
  font-size: 12px;
  margin-top: 4px;
  padding-left: 16px;
  min-height: 16px;
}

/* Submit button */
.se-submit-btn {
  width: 100%;
  background: var(--se-blue);
  color: var(--se-white);
  border: none;
  border-radius: 50px;
  padding: 16px 36px;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--se-font);
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.15s,
    box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(43, 91, 232, 0.3);
  margin-top: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.se-submit-btn:hover:not(:disabled) {
  background: var(--se-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(43, 91, 232, 0.4);
}
.se-submit-btn:disabled {
  opacity: 0.75;
  cursor: not-allowed;
}

/* Privacy note */
.se-privacy {
  font-size: 12px;
  color: var(--se-muted);
  text-align: center;
  margin-top: 16px;
  line-height: 1.5;
}
.se-privacy a {
  color: var(--se-blue);
  text-decoration: underline;
}

/* ============================================================
   SUCCESS STATE
   ============================================================ */
.se-success {
  text-align: center;
  padding: 48px 24px;
  animation: se-fade-in 0.4s ease;
}
.se-success__icon {
  font-size: 56px;
  margin-bottom: 16px;
}
.se-success__title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--se-text);
  margin-bottom: 8px;
}
.se-success__sub {
  font-size: 16px;
  color: var(--se-muted);
  margin-bottom: 32px;
}
.se-success__tg-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #229ed9;
  color: var(--se-white);
  border-radius: 50px;
  padding: 16px 40px;
  font-size: 17px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(34, 158, 217, 0.35);
  transition:
    background 0.2s,
    transform 0.15s,
    box-shadow 0.2s;
  font-family: var(--se-font);
}
.se-success__tg-btn:hover {
  background: #1b8ec2;
  color: var(--se-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(34, 158, 217, 0.45);
}
.se-success__tg-btn svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes se-fade-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 991px) {
  .se-hero {
    padding: 40px 0 30px;
  }
  .se-hero__visual {
    align-items: center;
    margin-top: 32px;
  }
  .se-hero__illustration {
    max-width: 100%;
  }
  .se-sponsor-logos {
    max-width: 100%;
  }
}

@media (max-width: 767px) {
  .se-hero__title {
    font-size: 2rem;
  }
  .se-agenda {
    padding: 50px 0 40px;
  }
  .se-agenda-card {
    padding: 20px 20px;
  }
  .se-speakers {
    padding: 50px 0;
  }
  .se-speaker-card__photo-wrap {
    aspect-ratio: 4 / 3;
  }
  .se-register {
    padding: 60px 0;
  }
  .se-register__inner {
    max-width: 100%;
  }
}