/* ============================================================
   FYP Journey — Main Global Styles
   main.css
   ============================================================ */

/* ── Container ── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-px);
}

/* ── Section Base ── */
.section {
    padding-block: var(--section-py);
}

.section--sm {
    padding-block: var(--section-py-sm);
}

.section--dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-on-dark);
}

.section--tint {
    background-color: var(--color-bg-section);
}

/* ── Section Header ── */
.section-header {
    text-align: center;
    max-width: 640px;
    margin-inline: auto;
    margin-bottom: var(--space-16);
}

.section-label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-secondary);
    margin-bottom: var(--space-3);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--font-black);
    color: var(--color-text-primary);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-4);
}

.section-desc {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

/* Dark section overrides */
.section--dark .section-label {
    color: var(--color-secondary-light);
}

.section--dark .section-title {
    color: var(--color-text-white);
}

.section--dark .section-desc {
    color: var(--color-text-on-dark);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.8rem 1.75rem;
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-full);
    transition: all var(--duration-base) var(--ease-out);
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0);
    transition: background var(--duration-fast) var(--ease-out);
}

.btn:hover::after {
    background: rgba(255, 255, 255, 0.12);
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-text-white);
    box-shadow: var(--shadow-accent);
}

.btn--primary:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(249, 115, 22, 0.38);
}

.btn--secondary {
    background: var(--color-primary);
    color: var(--color-text-white);
    box-shadow: var(--shadow-md);
}

.btn--secondary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-text-white);
    transform: translateY(-2px);
}

.btn--outline-white {
    background: transparent;
    color: var(--color-text-white);
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn--outline-white:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.9);
}

.btn--lg {
    padding: 1rem 2.25rem;
    font-size: var(--text-lg);
}

.btn--sm {
    padding: 0.5rem 1.25rem;
    font-size: var(--text-sm);
}

/* WhatsApp button variant */
.btn--wa {
    background: #25D366;
    color: var(--color-text-white);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.32);
}

.btn--wa:hover {
    background: #1ebe5a;
    transform: translateY(-2px);
}

/* ── Badge / Tag ── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0.25rem 0.875rem;
    background: var(--color-bg-section);
    color: var(--color-primary);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
}

/* ── Cards ── */
.card {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: transform var(--duration-base) var(--ease-out),
        box-shadow var(--duration-base) var(--ease-out);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

/* ── Divider ── */
.divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
    border-radius: var(--radius-full);
    margin-block: var(--space-4);
}

.divider--center {
    margin-inline: auto;
}

/* ── Highlight text ── */
.text-highlight {
    position: relative;
    color: var(--color-secondary);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Grid utilities ── */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: var(--text-3xl);
    }
}

/* ── Flex utilities ── */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-4 {
    gap: var(--space-4);
}

.gap-6 {
    gap: var(--space-6);
}

/* ── Spacing utilities ── */
.mt-4 {
    margin-top: var(--space-4);
}

.mt-6 {
    margin-top: var(--space-6);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-6 {
    margin-bottom: var(--space-6);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

/* ── Page loader overlay ── */
#page-loader {
    position: fixed;
    inset: 0;
    background: var(--color-bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--duration-slow) var(--ease-out),
        visibility var(--duration-slow) var(--ease-out);
}

#page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-logo {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--font-black);
    color: var(--color-text-white);
    letter-spacing: -0.02em;
    animation: loaderPulse 1.2s ease-in-out infinite;
}

.loader-logo span {
    color: var(--color-accent);
}

@keyframes loaderPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

/* ── Scroll reveal (class toggled by JS) ── */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity var(--duration-slower) var(--ease-out),
        transform var(--duration-slower) var(--ease-out);
}

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

.reveal--left {
    transform: translateX(-32px);
}

.reveal--right {
    transform: translateX(32px);
}

.reveal--left.visible,
.reveal--right.visible {
    transform: translateX(0);
}

/* Stagger children delays */
.reveal-delay-1 {
    transition-delay: 100ms;
}

.reveal-delay-2 {
    transition-delay: 200ms;
}

.reveal-delay-3 {
    transition-delay: 300ms;
}

.reveal-delay-4 {
    transition-delay: 400ms;
}