/* ═══════════════════════════════════════════════════════
   Cloudlink Systems — app.css
   Global styles, design tokens, component helpers
═══════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ───────────────────────── */
:root {
    --cl-navy:    #0A1628;
    --cl-blue:    #0057B8;
    --cl-sky:     #1976D2;
    --cl-teal:    #00BFA5;
    --cl-surface: #F7F9FC;
    --cl-border:  rgba(0,87,184,0.12);

    --font-sans:    'Inter', ui-sans-serif, system-ui, sans-serif;
    --font-display: 'Syne', ui-sans-serif, sans-serif;

    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-card:      0 1px 3px rgba(0,0,0,0.06), 0 8px 24px rgba(0,87,184,0.10);
    --shadow-card-hover:0 4px 6px rgba(0,0,0,0.07), 0 20px 40px rgba(0,87,184,0.18);
    --shadow-glow:      0 0 40px rgba(0,87,184,0.30);
}

/* ── Base Resets ──────────────────────────────────── */
html { scroll-behavior: smooth; }

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

/* ── Custom Scrollbar ─────────────────────────────── */
::-webkit-scrollbar           { width: 5px; }
::-webkit-scrollbar-track     { background: #f0f4f8; }
::-webkit-scrollbar-thumb     { background: var(--cl-blue); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover{ background: var(--cl-sky); }

/* ── Page Loader ──────────────────────────────────── */
#page-loader {
    transition: opacity 0.5s ease, visibility 0s linear 0.5s;
}
#page-loader.hide {
    opacity: 0;
    visibility: hidden;
}

/* ── Custom Cursor (desktop only) ────────────────── */
@media (min-width: 1024px) {
    body { cursor: none; }

    .cursor-dot {
        position: fixed;
        width: 7px;
        height: 7px;
        background: var(--cl-teal);
        border-radius: 50%;
        pointer-events: none;
        z-index: 99999;
        transform: translate(-50%, -50%);
        transition: transform 0.08s ease;
    }
    .cursor-ring {
        position: fixed;
        width: 34px;
        height: 34px;
        border: 1.5px solid var(--cl-blue);
        border-radius: 50%;
        pointer-events: none;
        z-index: 99998;
        transform: translate(-50%, -50%);
        transition: width 0.25s ease, height 0.25s ease, border-color 0.25s ease;
    }
    .cursor-ring.hovering {
        width: 56px;
        height: 56px;
        border-color: var(--cl-teal);
    }
}

/* ── Typography Helpers ───────────────────────────── */
.font-display { font-family: var(--font-display); }

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

.text-gradient-light {
    background: linear-gradient(135deg, #60a5fa, #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Section Tag / Label ──────────────────────────── */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--cl-blue);
}
.section-tag::before {
    content: '';
    width: 22px;
    height: 2px;
    background: linear-gradient(90deg, var(--cl-teal), var(--cl-blue));
    border-radius: 2px;
    flex-shrink: 0;
}

/* ── Buttons ──────────────────────────────────────── */
.btn-primary-cl {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    background: linear-gradient(135deg, var(--cl-blue), var(--cl-sky));
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 9999px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,87,184,0.3);
    position: relative;
    overflow: hidden;
}
.btn-primary-cl::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--cl-teal), var(--cl-sky));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 9999px;
}
.btn-primary-cl:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,87,184,0.4);
}
.btn-primary-cl:hover::after { opacity: 1; }
.btn-primary-cl span { position: relative; z-index: 1; }

.btn-outline-cl {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.7rem;
    background: transparent;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 9999px;
    border: 1.5px solid rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}
.btn-outline-cl:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.8);
    transform: translateY(-2px);
}

/* ── Cards ────────────────────────────────────────── */
.service-card {
    background: white;
    border-radius: 16px;
    border: 1px solid var(--cl-border);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    overflow: hidden;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(0,87,184,0.25);
}

.bento-card {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.bento-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
}
.bento-card .card-overlay {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.4s ease;
    background: linear-gradient(135deg, rgba(0,87,184,0.85), rgba(0,191,165,0.85));
}
.bento-card:hover .card-overlay { opacity: 1; }

/* ── Stats Numbers ────────────────────────────────── */
.stat-number {
    font-family: var(--font-display);
    font-weight: 800;
    line-height: 1;
    font-size: clamp(2rem, 4vw, 3.5rem);
    background: linear-gradient(135deg, var(--cl-teal), white);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Hero Typewriter ──────────────────────────────── */
.typewriter-cursor {
    display: inline-block;
    width: 3px;
    height: 0.85em;
    background: var(--cl-teal);
    margin-left: 2px;
    vertical-align: middle;
    border-radius: 2px;
    animation: blink-cursor 1s step-end infinite;
}
@keyframes blink-cursor {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

/* ── Process Connector Line ───────────────────────── */
.process-line {
    position: absolute;
    top: 28px;
    left: calc(50% + 40px);
    right: calc(-50% + 40px);
    height: 2px;
    background: linear-gradient(90deg, var(--cl-blue), var(--cl-teal));
    opacity: 0.3;
}
.process-line::after {
    content: '';
    position: absolute;
    right: 0;
    top: -3px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cl-teal);
}

/* ── Marquee (Vendor Logos) ───────────────────────── */
.marquee-track {
    display: flex;
    width: max-content;
    animation: marquee 35s linear infinite;
}
.marquee-track-reverse {
    display: flex;
    width: max-content;
    animation: marqueeReverse 35s linear infinite;
}
.marquee-wrapper:hover .marquee-track,
.marquee-wrapper:hover .marquee-track-reverse {
    animation-play-state: paused;
}
@keyframes marquee {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
@keyframes marqueeReverse {
    0%   { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}
.vendor-logo-item {
    filter: grayscale(100%);
    opacity: 0.6;
    transition: filter 0.3s ease, opacity 0.3s ease, transform 0.3s ease;
}
.vendor-logo-item:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.08);
}

/* ── Testimonial Card ─────────────────────────────── */
.testimonial-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--cl-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
}
.testimonial-card .quote-mark {
    font-size: 5rem;
    line-height: 0.7;
    color: var(--cl-teal);
    opacity: 0.15;
    font-family: Georgia, serif;
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    pointer-events: none;
    user-select: none;
}

/* ── Swiper Customization ─────────────────────────── */
.testimonial-swiper .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: rgba(255,255,255,0.3);
    opacity: 1;
    transition: all 0.3s ease;
}
.testimonial-swiper .swiper-pagination-bullet-active {
    width: 28px;
    border-radius: 4px;
    background: var(--cl-teal);
}

/* ── GSAP Animation Initial States ───────────────── */
/* Elements start hidden — GSAP will animate them in */
.gsap-fade-up   { opacity: 0; transform: translateY(40px); }
.gsap-fade-left { opacity: 0; transform: translateX(-40px); }
.gsap-fade-right{ opacity: 0; transform: translateX(40px); }
.gsap-scale-in  { opacity: 0; transform: scale(0.88); }
.gsap-fade-in   { opacity: 0; }

/* ── Decorative Blobs ─────────────────────────────── */
.blob-1 {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,87,184,0.12), transparent 70%);
    pointer-events: none;
    animation: float 8s ease-in-out infinite;
}
.blob-2 {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,191,165,0.10), transparent 70%);
    pointer-events: none;
    animation: float 10s ease-in-out 2s infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50%       { transform: translateY(-20px) scale(1.03); }
}

/* ── Contact Form ─────────────────────────────────── */
.form-input-cl {
    width: 100%;
    padding: 0.85rem 1rem;
    background: white;
    border: 1.5px solid #e2e8f0;
    border-radius: 12px;
    font-size: 0.9rem;
    color: #1a1a2e;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    font-family: var(--font-sans);
}
.form-input-cl:focus {
    border-color: var(--cl-blue);
    box-shadow: 0 0 0 3px rgba(0,87,184,0.10);
}
.form-input-cl::placeholder { color: #94a3b8; }

.form-label-cl {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.4rem;
    letter-spacing: 0.02em;
}

/* ── Toast Notification ───────────────────────────── */
.toast-cl {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: 0.85rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    z-index: 9999;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}
.toast-cl.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.toast-cl.success { background: #10b981; color: white; }
.toast-cl.error   { background: #ef4444; color: white; }

/* ── Glassmorphism Card ───────────────────────────── */
.glass-card {
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
}

/* ── Section Divider (wave) ───────────────────────── */
.wave-divider {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}
.wave-divider svg { display: block; }

/* ── Responsive Helpers ───────────────────────────── */
@media (max-width: 768px) {
    .process-line { display: none; }
    .section-tag  { font-size: 0.65rem; }
}

/* ── Smooth Image Loading ─────────────────────────── */
img { max-width: 100%; height: auto; }
img[loading="lazy"] { opacity: 0; transition: opacity 0.3s ease; }
img.loaded { opacity: 1; }