:root { 
    --cpac-blue: #004289; 
    --cpac-light-blue: #0076c0;
    --slate-gray: #f8fafc;
}

body { 
    font-family: 'Sarabun', sans-serif; 
    color: #1e293b; 
    line-height: 1.8; 
    background-color: #ffffff; 
    overflow-x: hidden; 
    max-width: 100%;
    position: relative;
}

h1, h2, h3, h4, .font-kanit { 
    font-family: 'Kanit', sans-serif; 
    letter-spacing: -0.01em; 
}

/* --- 1. Preloader & Base Styles --- */
#preloader {
    position: fixed;
    inset: 0;
    background-color: var(--cpac-blue);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.header-shadow { 
    box-shadow: 0 2px 15px rgba(0,0,0,0.05); 
    transition: all 0.3s ease; 
}

/* --- 2. Hero Section --- */
.hero-cpac {
    position: relative;
    overflow: hidden;
    z-index: 1;
    min-height: calc(100svh - 80px) !important; 
    background: none !important; 
}


/* --- 3. Cards & Hover Effects --- */
.card-modern, .shine-effect {
    position: relative;
    overflow: hidden;
}

.card-modern::after, .shine-effect::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 20%;
    height: 200%;
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(30deg);
    transition: all 0.7s;
    pointer-events: none;
    z-index: 1;
}

.card-modern:hover::after, .shine-effect:hover::after {
    left: 120%;
}

.card-modern:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 25px 50px -12px rgba(0, 66, 137, 0.2) !important;
}

.service-card-hover {
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.service-card-hover:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px -12px rgba(0, 66, 137, 0.15);
}

.card-premium {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-premium:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 66, 137, 0.15) !important;
}

.card-premium::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.4), transparent);
    transform: skewX(-25deg);
    transition: 0.7s;
}

.card-premium:hover::before {
    left: 125%;
}

/* --- 4. Navigation & Mobile Menu --- */
#mobile-menu {
    transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
    transform: translateX(100%);
}

#mobile-menu.active { transform: translateX(0); }

.desktop-dropdown { position: relative; }

.desktop-dropdown-content {
    display: block;
    visibility: hidden;
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.3s ease;
    pointer-events: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 240px;
    z-index: 50;
}

.desktop-dropdown:hover .desktop-dropdown-content {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.mobile-sub-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0, 1, 0, 1); 
}

.mobile-sub-content.open {
    max-height: 1000px; 
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-sub-inner {
    padding-left: 1rem;
    padding-bottom: 1rem;
    background: #f8fafc;
}

/* --- 5. FAQ Accordion --- */
.accordion-content {
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-header i, .rotate-icon {
    transition: transform 0.4s ease;
}

.accordion-item.active .accordion-header i, .rotate-icon.active {
    transform: rotate(180deg);
}

/* --- 6. Swiper & Sliders --- */
.swiper-button-next, .swiper-button-prev { 
    color: var(--cpac-blue) !important; 
    scale: 0.7; 
    transition: 0.3s; 
}

.swiper-button-next:hover, .swiper-button-prev:hover { scale: 0.9; }

.swiper-pagination-bullet-active { 
    background: var(--cpac-blue) !important; 
    width: 24px !important; 
    border-radius: 4px !important; 
    transition: 0.3s; 
}

.project-img-wrap { overflow: hidden; border-radius: 8px; }
.project-img-wrap img { transition: transform 0.8s ease; }
.swiper-slide:hover img { transform: scale(1.1); }

/* --- 7. Animations & Keyframes --- */
[data-aos] { pointer-events: none; }
.aos-animate { pointer-events: auto; }

.float-contact-sync { animation: fluidBounce 3s ease-in-out infinite; }
#floating-status { transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1); }

.text-pulse-glow { animation: pulseGlow 1.2s ease-in-out infinite alternate; }
.animate-bounce-slow { animation: bounceSlow 3s ease-in-out infinite; }
.animate-float-shield { animation: floatShield 6s ease-in-out infinite; }
.animate-card-slider { animation: cardSlider 15s infinite cubic-bezier(0.4, 0, 0.2, 1); }

.delay-1 { animation-delay: 0s; }
.delay-2 { animation-delay: -5s; }
.delay-3 { animation-delay: -10s; }

/* Trigger Animations (AOS linked) */
.trigger-card .draw-line-effect { width: 0%; opacity: 0; }
.trigger-card .pop-icon-effect { transform: scale(0.5) translateY(20px); opacity: 0; }

.aos-animate.trigger-card .draw-line-effect { animation: drawLineEffect 0.8s ease-out forwards; }
.aos-animate.trigger-card .pop-icon-effect { animation: popIconEffect 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards; }

.aos-animate.delay-step-1 .draw-line-effect { animation-delay: 0.1s; }
.aos-animate.delay-step-1 .pop-icon-effect { animation-delay: 0.3s; }
.aos-animate.delay-step-2 .draw-line-effect { animation-delay: 0.3s; }
.aos-animate.delay-step-2 .pop-icon-effect { animation-delay: 0.5s; }
.aos-animate.delay-step-3 .draw-line-effect { animation-delay: 0.5s; }
.aos-animate.delay-step-3 .pop-icon-effect { animation-delay: 0.7s; }
.aos-animate.delay-step-4 .draw-line-effect { animation-delay: 0.7s; }
.aos-animate.delay-step-4 .pop-icon-effect { animation-delay: 0.9s; }

.trigger-step.aos-animate .flash-circle { animation: stepFlashDark 1.2s ease-in-out forwards; }

.tech-card .tech-icon { opacity: 0; }
.tech-card.aos-animate .tech-icon { animation: iconPopScroll 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards; }

.safe-list .check-icon { opacity: 0; }
.safe-list.aos-animate .check-icon { animation: checkBlinkScroll 1s ease-in-out forwards; }

/* All Keyframes */
@keyframes pulseGlow {
    0% { transform: scale(0.98); opacity: 0.5; text-shadow: 0 0 0px rgba(255, 255, 255, 0); }
    100% { transform: scale(1.05); opacity: 1; text-shadow: 0 0 20px rgba(255, 255, 255, 0.5); }
}
@keyframes heroZoomV2 {
    0% { transform: scale(1); }
    100% { transform: scale(1.15); }
}
@keyframes fluidBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}
@keyframes bounceSlow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
@keyframes cardSlider {
    0%, 28%   { transform: translateX(0); } 
    33%, 61%  { transform: translateX(-25%); } 
    66%, 94%  { transform: translateX(-50%); } 
    100%      { transform: translateX(-75%); } 
}
@keyframes drawLineEffect {
    0% { width: 0%; opacity: 0; }
    100% { width: 100%; opacity: 1; }
}
@keyframes popIconEffect {
    0% { transform: scale(0.5) translateY(20px); opacity: 0; }
    70% { transform: scale(1.1) translateY(-5px); opacity: 1; }
    100% { transform: scale(1) translateY(0); opacity: 1; }
}
@keyframes stepFlashDark {
    0% { background-color: #1e293b; transform: scale(1); box-shadow: none; }
    30% { background-color: #2563eb; transform: scale(1.1); box-shadow: 0 0 25px rgba(37, 99, 235, 0.8); }
    100% { background-color: #1e293b; transform: scale(1); box-shadow: none; }
}
@keyframes floatShield {
    0%, 100% { transform: translateY(0) rotate(-5deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}
@keyframes iconPopScroll {
    0% { transform: scale(0.5) translateY(15px); opacity: 0; color: #94a3b8; }
    60% { transform: scale(1.2) translateY(-5px); color: #3b82f6; opacity: 1; }
    100% { transform: scale(1) translateY(0); color: #004289; opacity: 1; }
}
@keyframes checkBlinkScroll {
    0% { transform: scale(0.5); opacity: 0; background-color: transparent; box-shadow: none; }
    20% { transform: scale(1.4); opacity: 1; background-color: #22c55e; box-shadow: 0 0 20px #22c55e; color: #fff; }
    50% { transform: scale(1); background-color: transparent; box-shadow: none; color: #4ade80; }
    75% { transform: scale(1.3); background-color: #22c55e; box-shadow: 0 0 15px #22c55e; color: #fff; }
    100% { transform: scale(1); opacity: 1; background-color: rgba(34, 197, 94, 0.15); box-shadow: 0 0 10px rgba(34, 197, 94, 0.3); color: #4ade80; }
}

@font-face {
  font-family: 'Kanit';
  src: url('../fonts/kanit-v17-latin_thai-300.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Kanit';
  src: url('../fonts/kanit-v17-latin_thai-regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Kanit';
  src: url('../fonts/kanit-v17-latin_thai-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Kanit';
  src: url('../fonts/kanit-v17-latin_thai-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Kanit';
  src: url('../fonts/kanit-v17-latin_thai-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Sarabun';
  src: url('../fonts/sarabun-v17-latin_thai-300.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Sarabun';
  src: url('../fonts/sarabun-v17-latin_thai-regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Sarabun';
  src: url('../fonts/sarabun-v17-latin_thai-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Sarabun';
  src: url('../fonts/sarabun-v17-latin_thai-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}