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

body {
    font-family: "Segoe UI", Arial, sans-serif;
    color: #1f2937;
    background: #ffffff;
    line-height: 1.6;
}

/* TOP BAR */

.top-bar {
    background: #063b5c;
    color: white;
    padding: 10px 5%;
    font-size: 13px;
    border-bottom: 1px solid rgba(8, 126, 164, 0.2);
}

.top-bar-container {
    max-width: 1200px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* NAVIGATION */

.navbar {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(3, 55, 82, 0.05);
}

.nav-container {
    max-width: 1200px;
    margin: auto;
    min-height: 80px;
    padding: 0 20px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    min-width: 0;
    max-width: 420px;
    transition: opacity 0.3s ease;
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #087ea4;
    color: white;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 22px;
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(8, 126, 164, 0.25);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    min-width: 0;
}

.logo-text strong {
    font-size: 0.95rem;
    color: #0f172a;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.logo-text span {
    font-size: 0.85rem;
    color: #556d86;
    overflow-wrap: anywhere;
    font-weight: 500;
}

.logo-icon img,
.logo-icon-img {
    max-width: 28px;
    max-height: 28px;
    object-fit: contain;
}

.logo-icon-img {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: #f8fafc;
    padding: 8px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    list-style: none;
}

.nav-menu a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #087ea4;
}

.nav-menu.mobile-open {
    display: flex;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #374151;
    transition: color 0.3s ease;
}

.mobile-menu-toggle:hover {
    color: #087ea4;
}

.nav-register {
    background: #087ea4 !important;
    color: white !important;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
}

.nav-register:hover {
    background: #066382 !important;
    box-shadow: 0 4px 12px rgba(8, 126, 164, 0.3);
}

/* HERO */

.hero {
    padding: 0;
    background: none;
}

.hero-media {
    position: relative;
    width: 100%;
    min-height: 560px;
    overflow: hidden;
    background: #dfeef7;
}

.hero-media img {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 560px;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    padding: 40px 20px;
    background: linear-gradient(90deg, rgba(4, 27, 38, 0.62) 0%, rgba(4, 27, 38, 0.25) 42%, rgba(4, 27, 38, 0.08) 100%);
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 780px;
    color: white;
}

.hero-icons {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 24px;
}

.hero-icons span {
    width: 62px;
    height: 62px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.28);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    font-size: 30px;
}

.hero h1 {
    font-size: clamp(2.2rem, 4vw, 4rem);
    font-weight: 800;
    max-width: 980px;
    line-height: 1.15;
    margin-bottom: 0;
    letter-spacing: -0.8px;
    color: white;
}

.wa {
    color: #10a5c8;
}

.en {
    color: #f6a21d;
}

.hero-image-pair {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    margin: 48px auto 0;
    max-width: 1200px;
    padding: 0 20px;
}

.hero-image-card {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 16px 40px rgba(3, 55, 82, 0.25);
    transition: all 0.3s ease;
}

.hero-image-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 24px 48px rgba(3, 55, 82, 0.35);
    border-color: rgba(255,255,255,0.3);
}

.hero-image-card img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 340px;
}

@media (max-width: 900px) {
    .hero-image-pair {
        grid-template-columns: 1fr;
    }
}

.hero-buttons {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 25px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: #087ea4;
    color: white;
    border-color: #087ea4;
    box-shadow: 0 4px 14px rgba(8, 126, 164, 0.25);
}

.btn-primary:hover {
    background: #066382;
    border-color: #066382;
    box-shadow: 0 6px 20px rgba(8, 126, 164, 0.35);
    transform: translateY(-2px);
}

.btn-light {
    background: white;
    color: #063b5c;
    border-color: rgba(6, 59, 92, 0.2);
}

.btn-light:hover {
    background: #f0f9fc;
    border-color: #087ea4;
    color: #087ea4;
}

/* SECTION */

.section {
    padding: 80px 20px;
}

.section-container {
    max-width: 1200px;
    margin: auto;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 38px;
    font-weight: 700;
    color: #063b5c;
    margin-bottom: 14px;
    line-height: 1.3;
}

.section-title p {
    color: #6b7280;
    font-size: 16px;
    line-height: 1.6;
}

.registration-ticket {
    max-width: 860px;
    margin: 0 auto;
    background: linear-gradient(180deg, #ffffff 0%, #f5fbff 100%);
    border: 1px solid rgba(8, 126, 164, 0.18);
    border-radius: 18px;
    box-shadow: 0 18px 38px rgba(3, 55, 82, 0.08);
    padding: 28px;
}

.ticket-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(8, 126, 164, 0.12);
}

.ticket-badge {
    background: #063b5c;
    color: white;
    border-radius: 999px;
    padding: 10px 16px;
    font-weight: 700;
    font-size: 13px;
}

.ticket-body {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 28px;
    align-items: center;
}

.ticket-info {
    display: grid;
    gap: 12px;
    font-size: 15px;
    color: #334155;
}

.ticket-qr {
    display: flex;
    justify-content: center;
    align-items: center;
    background: white;
    border: 1px solid rgba(8, 126, 164, 0.15);
    border-radius: 16px;
    padding: 16px;
}

.ticket-qr img {
    width: 180px;
    height: 180px;
    object-fit: contain;
}

.ticket-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 28px;
    flex-wrap: wrap;
}

@media (max-width: 700px) {
    .ticket-header,
    .ticket-body,
    .ticket-actions {
        grid-template-columns: none;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }

    .ticket-body {
        align-items: stretch;
    }

    .ticket-qr {
        width: 100%;
    }

    .ticket-qr img {
        width: 150px;
        height: 150px;
    }

    .ticket-actions {
        width: 100%;
    }

    .ticket-actions .btn {
        width: 100%;
    }
}

@media print {
    .top-bar,
    .navbar,
    .footer,
    .ticket-actions {
        display: none !important;
    }

    body {
        background: white;
    }

    .registration-ticket {
        box-shadow: none;
        border: 1px solid #d1d5db;
    }
}

/* EVENT INFO */

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.info-grid .info-card:nth-child(5) {
    grid-column: 2 / 4;
}

.info-grid .info-card:nth-child(6) {
    grid-column: 3 / 5;
}

.info-card {
    padding: 32px 24px;
    border-radius: 12px;
    background: #f8fafc;
    text-align: center;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(3, 55, 82, 0.08);
    border-color: #087ea4;
}

.info-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.info-card h3 {
    color: #063b5c;
    margin-bottom: 12px;
    font-size: 18px;
    font-weight: 600;
}

.info-card p {
    color: #4b5563;
    font-size: 15px;
    line-height: 1.5;
}

/* SPEAKERS */

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(240px, 1fr));
    gap: 28px;
}

.speaker-card {
    padding: 24px;
    border-radius: 14px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    text-align: center;
    border: 1px solid rgba(8, 126, 164, 0.12);
    box-shadow: 0 8px 24px rgba(3, 55, 82, 0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.speaker-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(3, 55, 82, 0.12);
    border-color: #087ea4;
}

.speaker-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #087ea4, #06536a);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
    box-shadow: 0 6px 16px rgba(8, 126, 164, 0.3);
    flex-shrink: 0;
    overflow: hidden;
}

.speaker-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.speaker-body {
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.speaker-card h3 {
    font-size: 16px;
    margin: 8px 0;
    color: #0f3f5d;
    font-weight: 700;
    line-height: 1.3;
}

.speaker-title {
    color: #087ea4;
    font-weight: 600;
    font-size: 13px;
    margin: 4px 0;
}

.speaker-org {
    color: #6b7280;
    font-size: 12px;
    margin: 0 0 8px 0;
    font-weight: 500;
}

.speaker-bio {
    color: #4b5563;
    font-size: 12px;
    line-height: 1.5;
    margin: 8px 0 0 0;
    flex: 1;
}

/* Speaker Highlight Cards */

.speaker-highlight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.speaker-highlight-card {
    padding: 32px 28px;
    border-radius: 14px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
    border: 1px solid rgba(8, 126, 164, 0.15);
    box-shadow: 0 8px 24px rgba(3, 55, 82, 0.06);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.speaker-highlight-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(3, 55, 82, 0.12);
    border-color: #087ea4;
}

.speaker-highlight-card strong {
    font-size: 18px;
    color: #0f3f5d;
    font-weight: 700;
    line-height: 1.4;
}

.speaker-highlight-card p {
    font-size: 14px;
    color: #4b5563;
    line-height: 1.6;
    margin: 0;
}

.sponsor-card {
    padding: 24px;
    border-radius: 12px;
    background: linear-gradient(180deg, #ffffff 0%, #eef7fb 100%);
    border: 1px solid rgba(8, 126, 164, 0.12);
    box-shadow: 0 6px 18px rgba(3, 55, 82, 0.04);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.sponsor-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(3, 55, 82, 0.1);
    border-color: #087ea4;
}

/* Sponsor Tier Styling */
.sponsor-card.platinum-card {
    border: 2px solid #c084fc;
    background: linear-gradient(180deg, #faf5ff 0%, #f3e8ff 100%);
    transform: scale(1.05);
    z-index: 10;
    box-shadow: 0 12px 40px rgba(192, 132, 252, 0.15);
}

.sponsor-card.platinum-card:hover {
    transform: scale(1.05) translateY(-4px);
}

.sponsor-card.platinum-card .sponsor-badge {
    background: rgba(192, 132, 252, 0.15);
    color: #6b21a8;
}

.sponsor-card.gold-card {
    border: 2px solid #fbbf24;
    background: linear-gradient(180deg, #fffbeb 0%, #fef3c7 100%);
}

.sponsor-card.gold-card .sponsor-badge {
    background: rgba(251, 191, 36, 0.15);
    color: #92400e;
}

.sponsor-card.silver-card {
    border: 2px solid #d1d5db;
    background: linear-gradient(180deg, #f9fafb 0%, #f3f4f6 100%);
}

.sponsor-card.silver-card .sponsor-badge {
    background: rgba(209, 213, 219, 0.3);
    color: #374151;
}

.sponsor-card.supporting-card {
    border: 1px solid #e5e7eb;
    background: #fafafa;
}

.sponsor-card.supporting-card .sponsor-badge {
    background: rgba(243, 244, 246, 0.5);
    color: #6b7280;
}

.sponsor-card.custom-card {
    border: 2px solid #8b5cf6;
    background: linear-gradient(180deg, #faf5ff 0%, #f3e8ff 100%);
}

.sponsor-card.custom-card .sponsor-badge {
    background: rgba(139, 92, 246, 0.15);
    color: #5b21b6;
}

.sponsor-price {
    font-size: 26px;
    font-weight: 700;
    color: #087ea4;
    margin: 10px 0 14px 0;
    line-height: 1;
}

.sponsor-features {
    list-style: none;
    margin: 0 0 20px 0;
    padding: 0;
}

.sponsor-features li {
    padding: 8px 0;
    color: #475569;
    font-size: 12px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    border-bottom: 1px solid rgba(8, 126, 164, 0.06);
    line-height: 1.4;
}

.sponsor-features li:last-child {
    border-bottom: none;
}

.sponsor-features .checkmark {
    color: #087ea4;
    font-weight: bold;
    font-size: 18px;
    flex-shrink: 0;
}

.sponsor-media {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 22px;
}

.sponsor-logo {
    width: 104px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border-radius: 16px;
    background: white;
    border: 1px solid rgba(8, 126, 164, 0.08);
}

.sponsor-logo img {
    max-width: 100%;
    max-height: 54px;
    object-fit: contain;
}

.sponsor-badge {
    padding: 8px 16px;
    border-radius: 50px;
    background: rgba(16, 165, 200, 0.12);
    color: #0f4f6b;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
}

.sponsor-card h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-weight: 700;
    font-size: 16px;
    color: #063b5c;
}

.sponsor-description {
    color: #475569;
    margin-bottom: 28px;
    font-size: 14px;
    line-height: 1.6;
}

.sponsor-cta {
    align-self: start;
}

/* SPONSOR TABS & PANELS */

.sponsor-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 40px;
    border-bottom: 2px solid #e5e7eb;
}

.sponsor-tabs button {
    padding: 16px 28px;
    background: none;
    border: none;
    border-bottom: 4px solid transparent;
    color: #6b7280;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.sponsor-tabs button:hover {
    color: #087ea4;
    background-color: rgba(8, 126, 164, 0.05);
}

.sponsor-tabs button.active {
    color: #087ea4;
    border-bottom-color: #087ea4;
    background-color: rgba(8, 126, 164, 0.08);
}

.sponsor-panel {
    display: none;
}

.sponsor-panel.active {
    display: block;
}

.tier-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.tier-grid .sponsor-card:nth-child(5) {
    grid-column: auto;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.partners-grid .sponsor-card:nth-child(5) {
    grid-column: auto;
}

.partners-grid .sponsor-card:nth-child(6) {
    grid-column: auto;
}

/* ENQUIRE MODAL */

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.45);
    overflow: auto;
    backdrop-filter: blur(2px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 44px;
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.24);
    position: relative;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 32px;
    font-weight: bold;
    color: #9ca3af;
    cursor: pointer;
    transition: color 0.3s ease;
    background: none;
    border: none;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: #087ea4;
}

.modal-content h2 {
    color: #063b5c;
    margin-bottom: 10px;
    font-size: 26px;
    font-weight: 700;
}

.modal-subtitle {
    color: #6b7280;
    margin-bottom: 32px;
    font-size: 14px;
    line-height: 1.6;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-field {
    display: flex;
    flex-direction: column;
}

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

.form-field label {
    margin-bottom: 8px;
    color: #1f2937;
    font-weight: 600;
    font-size: 14px;
}

.form-field .req {
    color: #ef4444;
}

.form-field input,
.form-field textarea {
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    background-color: white;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: #087ea4;
    background-color: #f0fbfd;
    box-shadow: 0 0 0 4px rgba(8, 126, 164, 0.1);
}

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

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 28px;
}

.form-actions .btn {
    padding: 12px 28px;
    font-size: 14px;
}

/* ABOUT */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.registration-card {
    padding: 40px;
    border-radius: 16px;
    background: linear-gradient(180deg, #ffffff 0%, #f0f8ff 100%);
    border: 1px solid rgba(8, 126, 164, 0.14);
    box-shadow: 0 12px 32px rgba(3, 55, 82, 0.06);
}

.registration-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(240px, 1fr));
    gap: 24px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-field label {
    color: #0f3f5d;
    font-weight: 600;
    font-size: 14px;
}

.form-field input,
.form-field select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: white;
    color: #0f172a;
    font-size: 14px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-field input:focus,
.form-field select:focus {
    outline: none;
    border-color: #087ea4;
    box-shadow: 0 0 0 4px rgba(8, 126, 164, 0.1);
}

.form-actions {
    margin-top: 32px;
    display: flex;
    justify-content: flex-end;
}

.btn-primary {
    min-width: 180px;
}

@media (max-width: 900px) {
    .about-grid {
        gap: 40px;
    }

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

.about-image {
    min-height: 380px;
    background:
        linear-gradient(
            rgba(0,80,110,.2),
            rgba(0,80,110,.2)
        ),
        url('/images/First_Pic.jpeg');

    background-size: cover;
    background-position: center;
    border-radius: 14px;
    box-shadow: 0 20px 40px rgba(3, 55, 82, 0.1);
}

.about-content h2 {
    color: #063b5c;
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.3;
}

.about-content p {
    margin-bottom: 18px;
    color: #4b5563;
    line-height: 1.7;
    font-size: 15px;
}

/* HIGHLIGHTS */

.highlight-section {
    background: linear-gradient(180deg, #f1f8fb 0%, #e8f4f9 100%);
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.highlight-grid .highlight-card:nth-child(5) {
    grid-column: 2 / 4;
}

.highlight-grid .highlight-card:nth-child(6) {
    grid-column: 3 / 5;
}

.highlight-card {
    background: white;
    padding: 36px 24px;
    text-align: center;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(3, 55, 82, 0.04);
}

.highlight-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(3, 55, 82, 0.12);
    border-color: #087ea4;
}

.highlight-number {
    font-size: 44px;
    font-weight: 700;
    color: #087ea4;
    margin-bottom: 12px;
    line-height: 1;
}

.highlight-card h3 {
    color: #063b5c;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
}

/* CTA */

.cta {
    background: linear-gradient(135deg, #063b5c 0%, #08294a 100%);
    color: white;
    text-align: center;
    padding: 80px 20px;
}

.cta h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 18px;
    line-height: 1.3;
}

.cta p {
    max-width: 700px;
    margin: 0 auto 32px;
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
}

/* FOOTER */

.footer {
    background: linear-gradient(180deg, #051725 0%, #08294a 100%);
    color: #dbeafe;
    padding: 60px 20px 24px;
}

.footer-content {
    max-width: 640px;
    margin-bottom: 36px;
    display: grid;
    gap: 12px;
}

.footer-grid {
    max-width: 1200px;
    margin: auto;

    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 50px;
}

.footer h3 {
    color: #ffffff;
    margin-bottom: 18px;
    font-size: 1.6rem;
    font-weight: 700;
}

.footer h4 {
    color: #dbeafe;
    margin-bottom: 14px;
    font-size: 15px;
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.footer-links li {
    margin: 0;
}

.footer a {
    color: #a1c5ff;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 14px;
}

.footer a:hover {
    color: #ffffff;
}

.footer-contact p {
    margin: 10px 0;
    color: #a1c5ff;
    font-size: 14px;
    line-height: 1.6;
}

.footer-contact a {
    color: #a1c5ff;
    transition: color 0.3s ease;
}

.footer-contact a:hover {
    color: #ffffff;
}

.footer-bottom {
    max-width: 1200px;
    margin: 40px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,.1);
    text-align: center;
    font-size: 13px;
    color: #8eb5dc;
}

/* UTILITY CLASSES */

.note {
    font-size: 13px;
    color: #6b7280;
    line-height: 1.5;
}

/* RESPONSIVE */

@media (max-width: 900px) {

    .nav-menu {
        display: none;
        position: absolute;
        top: 90px;
        right: 20px;
        left: 20px;
        flex-direction: column;
        background: white;
        padding: 20px;
        gap: 20px;
        border: 1px solid #e5e7eb;
        border-radius: 14px;
        box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
        z-index: 1000;
    }

    .nav-menu.mobile-open {
        display: flex;
    }

    .nav-menu li {
        margin: 0;
        width: 100%;
    }

    .nav-menu a {
        display: block;
        width: 100%;
        text-align: left;
    }

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

    .nav-container {
        position: relative;
    }

    .hero h1 {
        font-size: 42px;
    }

    .info-grid,
    .highlight-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .speakers-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .info-grid .info-card:nth-child(5),
    .info-grid .info-card:nth-child(6),
    .highlight-grid .highlight-card:nth-child(5),
    .highlight-grid .highlight-card:nth-child(6) {
        grid-column: auto;
    }

    .tier-grid,
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .tier-grid .sponsor-card:nth-child(5),
    .tier-grid .sponsor-card:nth-child(6),
    .partners-grid .sponsor-card:nth-child(5),
    .partners-grid .sponsor-card:nth-child(6) {
        grid-column: auto;
    }

    .partners-grid .sponsor-card:nth-child(6) {
        grid-column: auto;
    }

    .sponsor-card.platinum-card {
        transform: scale(1);
    }

    .speaker-highlight-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (max-width: 600px) {

    .hero {
        min-height: 420px;
    }

    .hero-media {
        min-height: 420px;
    }

    .hero-media img {
        min-height: 420px;
    }

    .hero-overlay {
        padding: 24px 16px;
    }

    .hero h1 {
        font-size: 28px;
        line-height: 1.2;
    }

    .hero p {
        font-size: 17px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .info-grid,
    .highlight-grid,
    .speakers-grid,
    .speaker-highlight-grid,
    .tier-grid,
    .partners-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .sponsor-card {
        padding: 16px;
    }
    
    .sponsor-price {
        font-size: 20px;
    }
    
    .speaker-card {
        padding: 16px;
    }
    
    .speaker-highlight-card {
        padding: 20px 18px;
    }
    
    .speaker-photo {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }

    .info-grid .info-card:nth-child(5),
    .info-grid .info-card:nth-child(6),
    .highlight-grid .highlight-card:nth-child(5),
    .highlight-grid .highlight-card:nth-child(6),
    .tier-grid .sponsor-card:nth-child(5),
    .tier-grid .sponsor-card:nth-child(6),
    .partners-grid .sponsor-card:nth-child(5),
    .partners-grid .sponsor-card:nth-child(6) {
        grid-column: auto;
    }

    .modal-content {
        width: 95%;
        padding: 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }
}