/* ==========================================================================
   Global CSS — Premium Polish
   ========================================================================== */

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-base);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Typography ─── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.025em;
    color: var(--color-text-main);
}

p { color: var(--color-text-muted); line-height: 1.75; }
p + p { margin-top: 0.75rem; }

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-hover); }

img, video { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ─── Layout ─── */
.container {
    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: 0 2.5rem;
}

@media (min-width: 1600px) {
    .container { max-width: 1520px; }
}

@media (min-width: 1920px) {
    .container { max-width: 1760px; }
}

@media (min-width: 2400px) {
    .container { max-width: 2000px; }
}

.section { padding: var(--space-xl) 0; }
.section-alt { background: var(--color-bg-section); }

/* ─── Utility ─── */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.text-light { color: var(--color-text-light); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* ─── Section Label ─── */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.section-label::before {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2.2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    cursor: pointer;
    border: none;
    border-radius: var(--radius-sm);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(224, 61, 47, 0.25);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn-primary:active { transform: translateY(0); }

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--color-border-strong);
    color: var(--color-text-main);
}

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

.btn-ghost-light {
    background: rgba(255,255,255,0.12);
    color: #fff;
    border: 1.5px solid rgba(255,255,255,0.25);
    backdrop-filter: blur(8px);
}

.btn-ghost-light:hover {
    background: rgba(255,255,255,0.22);
    color: #fff;
    transform: translateY(-2px);
}

/* ─── Cards ─── */
.card {
    background: var(--color-bg-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    overflow: hidden;
}

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

/* ─── Tech Frame (brand accent) ─── */
.tech-frame {
    position: relative;
}

.tech-frame::before, .tech-frame::after {
    content: '';
    position: absolute;
    width: 28px;
    height: 28px;
    border: 2px solid var(--color-primary);
    z-index: 2;
    transition: var(--transition-normal);
}

.tech-frame::before { top: 12px; left: 12px; border-right: none; border-bottom: none; }
.tech-frame::after  { bottom: 12px; right: 12px; border-left: none; border-top: none; }

.tech-frame:hover::before,
.tech-frame:hover::after { width: 46px; height: 46px; }

/* ─── Shared Header / Navbar ─── */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: var(--z-nav);
    transition: var(--transition-normal);
    padding: 1.5rem 0;
    background: transparent;
}

header.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 0;
    box-shadow: 0 1px 0 var(--color-border), 0 4px 24px rgba(0,0,0,0.06);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: clamp(32px, 3vw, 62px);
    width: auto;
    transition: filter 0.4s ease, height 0.3s ease;
}

/* White logo on transparent header, original on scrolled white header */
header:not(.scrolled) .logo img {
    filter: brightness(0) invert(1);
}

.nav-menu { display: flex; align-items: center; gap: 2.5rem; }

.nav-menu a {
    color: var(--color-text-secondary);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-menu a:hover { color: var(--color-primary); }

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -6px;
    left: 0;
    background: var(--color-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after { width: 100%; }
.nav-menu a.active { color: var(--color-primary); }

.nav-cta {
    background: var(--color-primary);
    color: #fff !important;
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 2px 12px rgba(224, 61, 47, 0.2);
    transition: all 0.25s ease !important;
}

.nav-cta:hover {
    background: var(--color-primary-hover) !important;
    color: #fff !important;
    box-shadow: 0 4px 20px rgba(224, 61, 47, 0.35) !important;
    transform: translateY(-1px);
}

.nav-cta::after { display: none !important; }

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-main);
    cursor: pointer;
    padding: 4px;
    line-height: 0;
}

.mobile-nav-toggle svg {
    width: 26px;
    height: 26px;
    stroke: currentColor;
    display: block;
}

/* On dark (transparent) header, show white icons */
header:not(.scrolled) .mobile-nav-toggle svg { stroke: #fff; }

.mobile-nav-toggle .icon-close { display: none; }
.mobile-nav-toggle.active .icon-menu  { display: none; }
.mobile-nav-toggle.active .icon-close { display: block; }

/* ─── Select form control ─── */
select.form-control {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

/* ─── Form success panel ─── */
.form-success-panel {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 3rem 2rem;
    gap: 1.25rem;
    min-height: 340px;
}

.form-success-icon {
    width: 72px;
    height: 72px;
    background: #f0faf4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-success-icon svg {
    width: 36px;
    height: 36px;
    stroke: #22c55e;
}

.form-success-panel h3 {
    font-size: 1.6rem;
    color: var(--color-text-main);
}

.form-success-panel p {
    color: var(--color-text-muted);
    max-width: 320px;
    line-height: 1.7;
}

.form-error {
    color: var(--color-primary);
    margin-top: 10px;
    font-size: 0.9rem;
}

/* ─── Page Banner (replaces bland page-title) ─── */
.page-banner {
    padding-top: 160px;
    padding-bottom: var(--space-lg);
    background: var(--color-bg-dark);
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 60%;
    height: 100%;
    background: linear-gradient(135deg, transparent 40%, rgba(224, 61, 47, 0.06) 100%);
}

.page-banner-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, transparent 60%);
}

.page-banner h1 {
    font-size: clamp(3rem, 6vw, 9rem);
    color: #fff;
    margin-bottom: 0.5rem;
}

.page-banner p {
    color: rgba(255,255,255,0.5);
    font-size: clamp(1rem, 1.2vw, 1.5rem);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.4);
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 1.5px;
    margin-bottom: 1.5rem;
}

.breadcrumb a { color: rgba(255,255,255,0.4); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep { color: var(--color-primary); }

/* ─── Shared Footer ─── */
footer {
    background: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: var(--space-xl) 0 var(--space-md) 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border-dark);
    margin-bottom: var(--space-md);
}

.footer-logo { height: 44px; margin-bottom: 1.5rem; filter: brightness(0) invert(1); }

.footer-tagline {
    color: rgba(255,255,255,0.45);
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-col h4 {
    color: #fff;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-links { display: flex; flex-direction: column; gap: 0.75rem; }

.footer-links a {
    color: rgba(255,255,255,0.45);
    font-size: 0.95rem;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

/* ─── Footer Social Links ─── */
.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.25s ease, border-color 0.25s ease,
                transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.25s ease;
    flex-shrink: 0;
}

.footer-social a svg {
    width: 18px;
    height: 18px;
    fill: rgba(255,255,255,0.5);
    transition: fill 0.25s ease;
}

.footer-social a:hover {
    transform: translateY(-4px);
}

.footer-social a.social-linkedin:hover {
    background: #0A66C2;
    border-color: #0A66C2;
    box-shadow: 0 6px 20px rgba(10,102,194,0.4);
}
.footer-social a.social-instagram:hover {
    background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    border-color: #dc2743;
    box-shadow: 0 6px 20px rgba(220,39,67,0.4);
}
.footer-social a.social-facebook:hover {
    background: #1877F2;
    border-color: #1877F2;
    box-shadow: 0 6px 20px rgba(24,119,242,0.4);
}

.footer-social a:hover svg {
    fill: #fff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: rgba(255,255,255,0.3);
    font-size: 0.85rem;
}

/* ─── Asymmetric Grid ─── */
.asymmetric-grid {
    display: grid;
    grid-template-columns: 4fr 5fr;
    gap: var(--space-xl);
    align-items: center;
}

/* ─── Image Hover Zoom ─── */
.img-zoom {
    overflow: hidden;
    border-radius: var(--radius-md);
}

.img-zoom img {
    transition: transform var(--transition-slow);
}

.img-zoom:hover img {
    transform: scale(1.04);
}

/* ─── Scroll Animations ─── */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ─── Responsive ─── */
@media (max-width: 1100px) {
    .asymmetric-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .container { padding: 0 1.25rem; }
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-bg-surface);
        padding: 1.5rem;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--color-border);
        gap: 1.25rem;
    }
    .nav-menu.active { display: flex; }
    .mobile-nav-toggle { display: block; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
    .page-banner { padding-top: 120px; }
    .page-banner h1 { font-size: clamp(2.2rem, 8vw, 3.5rem); }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .footer-top { grid-template-columns: 1fr; gap: 2rem; }
    .footer-col h4 { margin-bottom: 1rem; }
    /* logo scales automatically via clamp() */
    .btn { padding: 0.8rem 1.6rem; font-size: 0.85rem; }
    .page-banner { padding-top: 100px; padding-bottom: 2.5rem; }
    .page-banner h1 { font-size: clamp(1.8rem, 8vw, 2.8rem); }
    .nav-menu { padding: 1.25rem 1rem; }
    .section-label { font-size: 0.68rem; letter-spacing: 2px; }
}

/* ─── WhatsApp Floating Button ─── */
.whatsapp-fab {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: var(--z-modal);
    width: 58px;
    height: 58px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45), 0 2px 8px rgba(0,0,0,0.15);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.3s ease;
    text-decoration: none;
}

.whatsapp-fab:hover {
    transform: scale(1.12) translateY(-3px);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55), 0 4px 12px rgba(0,0,0,0.18);
}

.whatsapp-fab:active {
    transform: scale(0.96);
}

.whatsapp-fab svg {
    width: 30px;
    height: 30px;
    fill: #fff;
}

/* Pulse ring animation */
.whatsapp-fab::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #25D366;
    animation: waPulse 2.4s ease-out infinite;
    z-index: -1;
}

@keyframes waPulse {
    0%   { transform: scale(1);   opacity: 0.6; }
    70%  { transform: scale(1.55); opacity: 0; }
    100% { transform: scale(1.55); opacity: 0; }
}

/* Tooltip label */
.whatsapp-fab .wa-tooltip {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%);
    background: #1C1C1E;
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    white-space: nowrap;
    padding: 0.45rem 0.9rem;
    border-radius: 6px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
    transform: translateY(-50%) translateX(6px);
}

.whatsapp-fab .wa-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: #1C1C1E;
}

.whatsapp-fab:hover .wa-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

@media (max-width: 768px) {
    .whatsapp-fab {
        bottom: 1.25rem;
        right: 1.25rem;
        width: 52px;
        height: 52px;
    }
    .whatsapp-fab svg { width: 26px; height: 26px; }
    .whatsapp-fab .wa-tooltip { display: none; }
}