/* ==========================================================================
   Unlock & Integrate — NextAge Designs Landing Page
   Extends styles.css with page-specific visuals
   ========================================================================== */

/* --- Hero: split layout — text left, animation right --- */
.unlock-hero {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
    padding: calc(120px + 10vh) 0 var(--space-3xl);
}

.unlock-hero-inner {
    display: flex;
    align-items: center;
    gap: var(--space-3xl);
    width: 100%;
    max-width: min(1080px, 85vw);
    margin: auto;
    padding: 0 2rem;
}

.unlock-hero-text {
    flex: 1;
    z-index: 3;
    position: relative;
    animation: heroTextIn 0.8s ease both;
}

.unlock-hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: var(--space-lg);
    text-shadow: var(--shadow-text);
}

.unlock-hero-text p {
    font-size: clamp(1rem, 1.5vw, var(--font-size-lg));
    color: var(--text-gray);
    opacity: 0.8;
    margin-bottom: var(--space-xl);
    line-height: var(--line-height-relaxed);
}

/* Hero CTA — centered below both columns */
.unlock-hero-cta {
    text-align: center;
    margin-top: var(--space-2xl);
    animation: heroTextIn 0.8s ease 0.55s both;
}

.btn-xl {
    font-size: var(--font-size-lg);
    padding: var(--space-lg) var(--space-2xl);
}

/* Scroll indicator */
.unlock-scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: heroTextIn 0.8s ease 0.6s both;
}

.unlock-scroll-chevron {
    display: block;
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--text-light);
    border-bottom: 2px solid var(--text-light);
    transform: rotate(45deg);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.6; }
    50% { transform: rotate(45deg) translateY(8px); opacity: 1; }
}

/* Padlock stage — right column */
.unlock-hero-visual {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.unlock-padlock {
    max-height: 350px;
    width: auto;
    z-index: 2;
}

.unlock-padlock-locked {
    position: absolute;
}

.unlock-padlock-open {
    position: relative;
}

.unlock-padlock-locked {
    opacity: 1;
    animation: lockFadeOut 1.5s ease-in-out forwards;
}

.unlock-padlock-open {
    opacity: 0;
    animation: lockFadeIn 1.5s ease-in-out forwards;
}

@keyframes heroTextIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes lockFadeOut {
    0% { opacity: 1; transform: scale(1); }
    40% { opacity: 1; transform: scale(1.05); }
    70% { opacity: 0.3; transform: scale(1.1); }
    100% { opacity: 0; transform: scale(1.15); }
}

@keyframes lockFadeIn {
    0% { opacity: 0; transform: scale(0.9); }
    40% { opacity: 0; transform: scale(0.95); }
    70% { opacity: 0.8; transform: scale(1.05); }
    100% { opacity: 1; transform: scale(1); }
}

/* --- Sections --- */
.unlock-section {
    padding: 120px var(--space-xl);
    position: relative;
}

.unlock-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(60%, 500px);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 255, 0.3), transparent);
    box-shadow: 0 0 12px rgba(0, 102, 255, 0.15);
}

/* --- Glass Cards (Problem / Why) --- */
.unlock-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.unlock-glass-card {
    background: var(--card-gradient);
    border: 1px solid var(--border-light);
    backdrop-filter: var(--glass-blur);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.unlock-glass-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-card-hover);
}

.unlock-glass-card h3 {
    font-family: var(--font-family-title);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-md);
    color: var(--text-dark);
}

.unlock-glass-card p {
    color: var(--text-gray);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-base);
    opacity: 0.8;
}

.unlock-glass-card .card-icon-row .card-icon {
    margin-bottom: 0;
    line-height: 0;
}

.unlock-glass-card .card-icon-row h3 {
    margin-bottom: 0;
}

.unlock-card-img-wrap {
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.unlock-card-img-wrap img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

/* --- Steps Timeline --- */
.unlock-section-steps {
    padding: 0;
}

.unlock-steps-header {
    position: sticky;
    top: 0;
    z-index: 3;
    padding: 80px 0 var(--space-lg);
    background: var(--bg-white);
}

.unlock-steps-timeline {
    position: relative;
    max-width: 720px;
    margin: 0 auto;
    padding-bottom: 80px;
}

.unlock-step-connector {
    position: absolute;
    left: 28px;
    top: 60px;
    bottom: 60px;
    width: 2px;
    background: var(--gradient-brand);
    box-shadow: 0 0 12px rgba(0, 102, 255, 0.3);
    border-radius: 1px;
}

.unlock-step {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: var(--space-xl);
    padding: var(--space-xl) 0;
}

.unlock-step-number {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--card-gradient);
    border: 1px solid var(--primary-color);
    backdrop-filter: blur(12px);
    color: var(--text-gradient-fallback);
    font-family: var(--font-family-title);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    box-shadow: 0 0 8px rgba(0, 102, 255, 0.4), 0 0 25px rgba(0, 102, 255, 0.2);
    position: relative;
    z-index: 2;
}

.unlock-step-content {
    flex: 1;
}

.unlock-step-content h3 {
    font-family: var(--font-family-title);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-md);
    color: var(--text-dark);
}

.unlock-step-content p {
    color: var(--text-gray);
    line-height: var(--line-height-loose);
    font-size: var(--font-size-base);
    opacity: 0.8;
}

.unlock-step-img-wrap {
    margin-bottom: var(--space-md);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.unlock-step-img-wrap img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

/* --- Chat Window --- */
.unlock-chat-window {
    width: min(70vw, 800px);
    margin: 0 auto var(--space-2xl);
    background: rgba(17, 24, 39, 0.5);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(16px);
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.unlock-chat-window:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-card-hover);
}

.unlock-chat-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-light);
}

.unlock-chat-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary-color);
    opacity: 0.5;
    box-shadow: 0 0 8px rgba(0, 102, 255, 0.4);
}

.unlock-chat-title {
    margin-left: var(--space-md);
    font-family: var(--font-family-title);
    font-size: clamp(0.85rem, 1vw, 1.05rem);
    font-weight: var(--font-weight-semibold);
    color: var(--text-gradient-fallback);
    letter-spacing: 0.04em;
}

.unlock-chat-examples {
    padding: clamp(20px, 2.5vw, 36px);
    display: flex;
    flex-direction: column;
    gap: clamp(14px, 1.5vw, 22px);
}

.unlock-chat-bubble {
    padding: clamp(16px, 1.5vw, 24px) clamp(18px, 2vw, 28px);
    border-radius: 14px;
    font-size: clamp(0.9rem, 1vw, 1.1rem);
    line-height: var(--line-height-normal);
    position: relative;
    max-width: 85%;
}

.unlock-chat-label {
    display: block;
    font-family: var(--font-family-title);
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}

.unlock-chat-user {
    align-self: flex-end;
    background: rgba(100, 140, 200, 0.08);
    border: 1px solid rgba(120, 160, 220, 0.2);
    color: var(--text-dark);
}

.unlock-chat-user .unlock-chat-label {
    color: rgba(160, 190, 235, 0.8);
}

.unlock-chat-ai {
    align-self: flex-start;
    background: rgba(0, 102, 255, 0.08);
    border: 1px solid rgba(0, 102, 255, 0.15);
    color: var(--text-gray);
    animation: unlockAiPulse 3s ease-in-out infinite;
}

.unlock-chat-ai .unlock-chat-label {
    color: var(--text-gradient-fallback);
}

@keyframes unlockAiPulse {
    0%, 100% { box-shadow: 0 0 15px rgba(0, 102, 255, 0.06); }
    50% { box-shadow: 0 0 20px rgba(0, 102, 255, 0.12), 0 0 40px rgba(0, 102, 255, 0.06); }
}

/* Chat stagger animation */
.unlock-chat-stagger {
    opacity: 0;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.unlock-chat-stagger.unlock-chat-user {
    transform: translateX(30px);
}

.unlock-chat-stagger.unlock-chat-ai {
    transform: translateX(-30px);
}

.unlock-chat-stagger.visible {
    opacity: 1;
    transform: translateX(0);
}

.unlock-chat-tagline {
    text-align: center;
    font-size: var(--font-size-md);
    color: var(--text-gray);
    line-height: var(--line-height-relaxed);
}

.unlock-chat-tagline strong {
    color: var(--text-dark);
}

/* --- Why Grid --- */
.unlock-why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

/* --- Contact CTA --- */
.unlock-contact-container {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.unlock-cta-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Fade-in Animation --- */
.unlock-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.unlock-fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.unlock-card-grid .unlock-fade-in:nth-child(2) { transition-delay: 0.1s; }
.unlock-card-grid .unlock-fade-in:nth-child(3) { transition-delay: 0.2s; }
.unlock-why-grid .unlock-fade-in:nth-child(2) { transition-delay: 0.1s; }
.unlock-why-grid .unlock-fade-in:nth-child(3) { transition-delay: 0.2s; }
.unlock-why-grid .unlock-fade-in:nth-child(4) { transition-delay: 0.3s; }

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    .unlock-fade-in {
        opacity: 1;
        transform: none;
    }

    .unlock-hero-text {
        animation: none;
    }

    .unlock-padlock-locked {
        opacity: 0;
        animation: none;
    }

    .unlock-padlock-open {
        opacity: 1;
        animation: none;
    }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .unlock-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .unlock-card-grid .unlock-glass-card:last-child:nth-child(odd) {
        grid-column: 1 / -1;
        max-width: calc(50% - 16px);
        justify-self: center;
    }

    .unlock-steps-header {
        padding: var(--space-2xl) 0 var(--space-md);
    }
}

@media (max-width: 768px) {
    .unlock-section {
        padding: 80px var(--space-lg);
    }

    .unlock-card-grid,
    .unlock-why-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .unlock-card-grid .unlock-glass-card:last-child:nth-child(odd) {
        grid-column: auto;
        max-width: none;
        justify-self: stretch;
    }

    .unlock-hero {
        padding-top: 90px;
        padding-bottom: var(--space-xl);
        min-height: 100vh;
    }

    .unlock-hero-inner {
        flex-direction: column;
        gap: var(--space-xl);
        text-align: center;
        margin: 0 auto;
    }

    .unlock-hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

    .unlock-hero-visual {
        justify-content: center;
    }

    .unlock-hero-cta {
        margin-top: auto;
    }

    .unlock-scroll-indicator {
        position: static;
        transform: none;
        margin-top: var(--space-md);
    }

    .unlock-padlock {
        max-height: 250px;
    }

    .btn-xl {
        font-size: var(--font-size-base);
        padding: var(--space-md) var(--space-xl);
    }

    .unlock-chat-window {
        width: 100%;
    }

    .unlock-step {
        gap: var(--space-md);
    }

    .unlock-step-number {
        width: 44px;
        height: 44px;
        font-size: var(--font-size-lg);
    }

    .unlock-step-connector {
        left: 22px;
    }

    .unlock-cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .unlock-cta-actions .btn {
        width: 100%;
        justify-content: center;
    }
}