/* Kleos PHP - Design System with enhanced mobile */

:root {
    --color-primary: #0A1F3D;
    --color-secondary: #C9A961;
    --color-cta-hover: #D9BC7A;
    --color-white: #FFFFFF;
    --color-neutral-100: #F8F6F3;
    --color-neutral-200: #E5E1DB;
    --color-neutral-300: #B8B2A8;
    --color-neutral-400: #6B6660;
    --color-neutral-500: #2D2A26;
    --color-text-primary: var(--color-neutral-500);
    --color-text-secondary: var(--color-neutral-400);
    --color-bg-primary: var(--color-white);
    --color-bg-secondary: var(--color-neutral-100);
    --color-border: var(--color-neutral-200);
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;
    --font-size-h1: clamp(2rem, 5vw + 1rem, 3.5rem);
    --font-size-h2: clamp(1.75rem, 3vw + 0.5rem, 2.5rem);
    --font-size-h3: 1.75rem;
    --font-size-h4: 1.25rem;
    --font-size-body-lg: 1.125rem;
    --font-size-body: 1rem;
    --font-size-body-sm: 0.875rem;
    --font-size-eyebrow: 0.8125rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-8: 3rem;
    --space-9: 4rem;
    --space-12: clamp(3rem, 8vw, 6rem);
    --shadow-sm: 0 2px 4px rgba(10, 31, 61, 0.08);
    --shadow-md: 0 4px 8px rgba(10, 31, 61, 0.12);
    --shadow-lg: 0 8px 16px rgba(10, 31, 61, 0.16);
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --duration-normal: 300ms;
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 72px;
    --safe-bottom: env(safe-area-inset-bottom, 0px);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-sans);
    font-size: var(--font-size-body);
    line-height: 1.5;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    -webkit-font-smoothing: antialiased;
    padding-bottom: var(--safe-bottom);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font-family: inherit; font-size: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 4vw, 2rem);
}

.skip-link {
    position: absolute; top: -100px; left: 0;
    background: var(--color-secondary); color: var(--color-primary);
    padding: var(--space-3) var(--space-4); font-weight: 600; z-index: 9999;
}
.skip-link:focus { top: 0; }

.page-loader {
    position: fixed; inset: 0; background: var(--color-primary);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999; transition: opacity 0.4s;
}
.page-loader.is-hidden { opacity: 0; pointer-events: none; }
.loader-spinner {
    width: 48px; height: 48px;
    border: 4px solid rgba(201, 169, 97, 0.2);
    border-top-color: var(--color-secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Toast */
.toast {
    position: fixed; top: calc(var(--header-height) + 1rem); left: 50%;
    transform: translateX(-50%); z-index: 2000;
    padding: 0.875rem 1.5rem; border-radius: var(--radius-md);
    font-weight: 500; max-width: 90vw; text-align: center;
    box-shadow: var(--shadow-lg);
}
.toast--success { background: #2e7d32; color: #fff; }
.toast--error { background: #c62828; color: #fff; }

/* Header */
.header {
    position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
    background: rgba(10, 31, 61, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.header__content {
    display: flex; align-items: center; justify-content: space-between;
    min-height: var(--header-height);
    padding: var(--space-3) 0;
    gap: var(--space-4);
}
.logo__text {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 700; color: var(--color-secondary);
    letter-spacing: 0.05em;
}
.nav { display: none; gap: var(--space-5); flex-wrap: wrap; }
.nav__link {
    font-size: 0.9375rem; font-weight: 500; color: var(--color-white);
    padding: var(--space-2) 0; position: relative;
}
.nav__link::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 0; height: 2px; background: var(--color-secondary);
    transition: width var(--duration-normal) var(--ease-in-out);
}
.nav__link:hover::after { width: 100%; }
.btn-header { display: none; white-space: nowrap; }

.mobile-menu-toggle {
    display: flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; min-width: 44px; min-height: 44px;
    border: none; background: transparent; cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}
.hamburger {
    width: 24px; height: 2px; background: var(--color-secondary);
    position: relative; transition: all var(--duration-normal);
}
.hamburger::before, .hamburger::after {
    content: ''; position: absolute; width: 24px; height: 2px;
    background: var(--color-secondary); left: 0;
    transition: all var(--duration-normal);
}
.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }
.mobile-menu-toggle[aria-expanded="true"] .hamburger { background: transparent; }
.mobile-menu-toggle[aria-expanded="true"] .hamburger::before { top: 0; transform: rotate(45deg); }
.mobile-menu-toggle[aria-expanded="true"] .hamburger::after { top: 0; transform: rotate(-45deg); }

.mobile-menu {
    position: fixed; top: 0; right: 0;
    width: min(100%, 320px); max-width: 100%;
    height: 100dvh; height: 100vh;
    background: var(--color-primary);
    padding: calc(var(--header-height) + var(--space-4)) var(--space-6) var(--space-8);
    transform: translateX(100%);
    transition: transform 0.35s var(--ease-in-out);
    z-index: 1001; overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu__close {
    position: absolute; top: var(--space-4); right: var(--space-4);
    color: var(--color-secondary); width: 44px; height: 44px;
    border: none; background: transparent; cursor: pointer;
}
.mobile-menu__nav { display: flex; flex-direction: column; gap: 0; }
.mobile-menu__link {
    font-size: 1.125rem; font-weight: 500; color: var(--color-white);
    padding: var(--space-4) 0; min-height: 48px;
    display: flex; align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.mobile-menu__link:active { color: var(--color-secondary); }
.btn-mobile-menu { margin-top: var(--space-6); width: 100%; text-align: center; }

.menu-overlay {
    position: fixed; inset: 0; background: rgba(0, 0, 0, 0.65);
    z-index: 1000; opacity: 0; transition: opacity 0.3s;
    pointer-events: none;
}
.menu-overlay.is-visible { opacity: 1; pointer-events: auto; }

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.875rem 1.5rem; min-height: 48px;
    font-weight: 600; border-radius: var(--radius-md);
    transition: all var(--duration-normal) var(--ease-in-out);
    border: 2px solid transparent; cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}
.btn-primary {
    color: var(--color-primary); background: var(--color-secondary);
    border-color: var(--color-secondary);
}
.btn-primary:hover { background: var(--color-cta-hover); border-color: var(--color-cta-hover); }
.btn-secondary {
    color: var(--color-white); background: transparent;
    border-color: var(--color-secondary);
}
.btn-secondary:hover { background: var(--color-secondary); color: var(--color-primary); }
.btn-large { padding: 1rem 2rem; font-size: var(--font-size-body-lg); }

/* Typography */
.eyebrow {
    font-size: var(--font-size-eyebrow); font-weight: 600;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--color-secondary); margin-bottom: var(--space-3);
}
.heading-hero {
    font-family: var(--font-serif);
    font-size: var(--font-size-h1); font-weight: 700;
    line-height: 1.15; letter-spacing: -0.02em; color: var(--color-white);
}
.heading-section {
    font-family: var(--font-serif);
    font-size: var(--font-size-h2); font-weight: 600;
    line-height: 1.2; color: var(--color-primary);
    margin-bottom: var(--space-4);
}
.body-large { font-size: var(--font-size-body-lg); line-height: 1.75; color: var(--color-text-secondary); }
.body-regular { font-size: var(--font-size-body); line-height: 1.75; color: var(--color-text-secondary); margin-bottom: var(--space-5); }
.link { font-weight: 500; color: var(--color-secondary); }

/* Hero - mobile first */
.hero {
    position: relative;
    min-height: 100svh;
    min-height: 100vh;
    display: flex; align-items: flex-end; justify-content: center;
    overflow: hidden; background: var(--color-primary);
    padding: calc(var(--header-height) + 2rem) 0 clamp(4rem, 12vw, 6rem);
}
.hero-map-canvas {
    position: absolute; inset: 0; width: 100%; height: 100%;
    z-index: 1;
    background-color: var(--color-primary);
    background-image: url('../img/world-map.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    /* Fade the map into the navy at the bottom so hero text stays readable */
    -webkit-mask-image: linear-gradient(to bottom, black 55%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 55%, transparent 100%);
}
.hero-overlay {
    position: absolute; inset: 0; z-index: 2; pointer-events: none;
    background: linear-gradient(to bottom,
        rgba(10, 31, 61, 0.3) 0%,
        rgba(10, 31, 61, 0.6) 50%,
        rgba(10, 31, 61, 0.95) 85%,
        rgba(10, 31, 61, 1) 100%);
}
.hero__content { position: relative; z-index: 3; width: 100%; text-align: center; }
.hero__eyebrow { color: var(--color-secondary); }
.hero__headline { margin-bottom: var(--space-4); }
.hero__subheadline {
    color: rgba(255, 255, 255, 0.9); margin-bottom: var(--space-6);
    max-width: 36rem; margin-left: auto; margin-right: auto;
}
.hero__cta-group {
    display: flex; flex-direction: column; gap: var(--space-3);
    align-items: stretch; max-width: 320px; margin: 0 auto;
}
.hero__cta { width: 100%; }
.scroll-indicator {
    position: absolute; bottom: max(1rem, var(--safe-bottom));
    left: 50%; transform: translateX(-50%);
    z-index: 3; color: var(--color-secondary);
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-8px); }
}

.section { padding: var(--space-12) 0; }
.section__eyebrow, .section__heading, .section__subheading { text-align: center; }
.section__subheading { max-width: 700px; margin: 0 auto var(--space-8); }

.services-grid {
    display: grid; grid-template-columns: 1fr; gap: var(--space-5);
    margin-top: var(--space-6);
}
.card-service {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--color-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}
.card-service__icon { color: var(--color-secondary); margin-bottom: var(--space-4); }
.card-service__title { font-size: var(--font-size-h4); font-weight: 600; color: var(--color-primary); margin-bottom: var(--space-3); }
.card-service__description { color: var(--color-text-secondary); margin-bottom: var(--space-4); }
.card-service__features { list-style: none; margin-bottom: var(--space-4); }
.card-service__features li {
    padding-left: var(--space-5); margin-bottom: var(--space-2);
    position: relative; color: var(--color-text-secondary); font-size: var(--font-size-body-sm);
}
.card-service__features li::before {
    content: '✓'; position: absolute; left: 0; color: var(--color-secondary); font-weight: 700;
}

.stats { background: var(--color-bg-secondary); }
.stats-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5);
}
.stat-item { text-align: center; padding: var(--space-3); }
.stat-number {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 8vw, 3rem);
    font-weight: 700; color: var(--color-secondary);
    line-height: 1; margin-bottom: var(--space-2);
}

.about-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-8); align-items: center; }
.image-placeholder, .about-img {
    width: 100%; aspect-ratio: 4/3; border-radius: var(--radius-lg);
    object-fit: cover;
}
.image-placeholder {
    background: linear-gradient(135deg, var(--color-neutral-100), var(--color-neutral-200));
    display: flex; align-items: center; justify-content: center;
}
.about-features { display: flex; flex-direction: column; gap: var(--space-3); margin: var(--space-5) 0; }
.feature-item { display: flex; align-items: center; gap: var(--space-3); font-weight: 500; }
.feature-icon { color: var(--color-secondary); flex-shrink: 0; }

.why-kleos { background: var(--color-bg-secondary); }
.why-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-4); margin-top: var(--space-6); }
.why-card {
    background: var(--color-white); border-radius: var(--radius-lg);
    padding: var(--space-5); border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-secondary);
}
.why-card__number {
    font-family: var(--font-serif); font-size: 2rem; font-weight: 700;
    color: var(--color-neutral-200); margin-bottom: var(--space-3);
}
.why-card__title { font-size: var(--font-size-h4); font-weight: 600; color: var(--color-primary); margin-bottom: var(--space-2); }

.network-section { background: var(--color-primary); color: var(--color-white); }
.network-section .heading-section,
.network-section .section__eyebrow { color: var(--color-white); }
.network-section .section__eyebrow { color: var(--color-secondary); }
.network-section .body-large { color: rgba(255,255,255,0.85); }
.network-cities {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4);
    margin-top: var(--space-6);
}
.network-city {
    background: rgba(255,255,255,0.08); border: 1px solid rgba(201,169,97,0.3);
    border-radius: var(--radius-md); padding: var(--space-4); text-align: center;
}
.network-city__name { display: block; font-weight: 600; font-size: 1.1rem; margin-bottom: var(--space-2); color: var(--color-secondary); }
.network-city__count { font-size: var(--font-size-body-sm); opacity: 0.85; }

.testimonials-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-5); margin-top: var(--space-6); }
.testimonial-card {
    background: var(--color-white); border: 1px solid var(--color-border);
    border-radius: var(--radius-lg); padding: var(--space-5);
}
.testimonial-quote { color: var(--color-secondary); opacity: 0.3; margin-bottom: var(--space-3); }
.testimonial-text { font-size: var(--font-size-body-lg); line-height: 1.75; font-style: italic; margin-bottom: var(--space-5); }
.testimonial-author { display: flex; align-items: center; gap: var(--space-4); }
.author-avatar {
    width: 48px; height: 48px; border-radius: 50%;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-cta-hover));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; color: var(--color-primary); flex-shrink: 0;
}
.author-name { font-weight: 600; color: var(--color-primary); }
.author-title { font-size: var(--font-size-body-sm); color: var(--color-text-secondary); }

.newsletter-section {
    background: linear-gradient(135deg, var(--color-primary), #0D2847);
    color: var(--color-white);
}
.newsletter-text .heading-section { color: var(--color-white); }
.newsletter-text .body-large { color: rgba(255,255,255,0.9); }
.newsletter-content { max-width: 800px; margin: 0 auto; text-align: center; }
.newsletter-form { max-width: 560px; margin: 0 auto; }
.form-group { display: flex; flex-direction: column; gap: var(--space-3); }
.form-group input {
    padding: 1rem 1.25rem; min-height: 48px;
    border: 2px solid rgba(255,255,255,0.2); border-radius: var(--radius-md);
    background: rgba(255,255,255,0.1); color: var(--color-white);
}
.form-group input::placeholder { color: rgba(255,255,255,0.6); }
.form-group input:focus { outline: none; border-color: var(--color-secondary); }
.form-note { font-size: var(--font-size-body-sm); color: rgba(255,255,255,0.7); margin-top: var(--space-3); }

.cta-section { background: var(--color-primary); color: var(--color-white); }
.cta-content { text-align: center; max-width: 800px; margin: 0 auto; }
.cta__heading { color: var(--color-white); }
.cta__subheading { color: rgba(255,255,255,0.9); margin-bottom: var(--space-6); }

.contact-section { background: var(--color-bg-secondary); }
.contact-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-8); margin-top: var(--space-6); }
.contact-info { display: flex; flex-direction: column; gap: var(--space-4); }
.contact-card {
    display: flex; align-items: center; gap: var(--space-4);
    background: var(--color-white); padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-lg); border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: transform var(--duration-normal) var(--ease-in-out),
                box-shadow var(--duration-normal) var(--ease-in-out),
                border-color var(--duration-normal) var(--ease-in-out);
}
.contact-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-secondary);
}
.contact-card__icon {
    flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; border-radius: 50%;
    background: rgba(201, 169, 97, 0.12);
    color: var(--color-secondary);
}
.contact-card__icon svg { width: 22px; height: 22px; }
.contact-card__body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.contact-card__label {
    font-size: var(--font-size-eyebrow); font-weight: 600;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--color-text-secondary);
}
.contact-card__value {
    font-size: var(--font-size-body-lg); font-weight: 600;
    color: var(--color-primary); word-break: break-word;
}
.contact-card:hover .contact-card__value { color: var(--color-secondary); }
.contact-form {
    background: var(--color-white); padding: var(--space-6);
    border-radius: var(--radius-lg); border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: var(--space-4); }
.form-row input, .form-row textarea {
    width: 100%; padding: 1rem 1.25rem; min-height: 48px;
    border: 1px solid var(--color-border); border-radius: var(--radius-md);
}
.form-row textarea { min-height: 120px; resize: vertical; }
.form-row input:focus, .form-row textarea:focus {
    outline: none; border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(201,169,97,0.2);
}

.footer {
    background: var(--color-primary); color: var(--color-white);
    padding: var(--space-12) 0 var(--space-6);
}
.footer__grid { display: grid; grid-template-columns: 1fr; gap: var(--space-6); margin-bottom: var(--space-8); }
.footer__heading { font-size: var(--font-size-h4); font-weight: 600; color: var(--color-secondary); margin-bottom: var(--space-3); }
.footer__text, .footer__link { display: block; color: rgba(255,255,255,0.8); margin-bottom: var(--space-2); font-size: var(--font-size-body-sm); }
.footer__link:hover, .footer__link-inline:hover { color: var(--color-secondary); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--space-5); text-align: center; font-size: var(--font-size-body-sm); opacity: 0.7; }

.animate-on-scroll { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.animate-on-scroll.is-visible { opacity: 1; transform: translateY(0); }

*:focus-visible { outline: 3px solid var(--color-secondary); outline-offset: 2px; }

@media (min-width: 480px) {
    .hero__cta-group { flex-direction: row; flex-wrap: wrap; justify-content: center; max-width: none; }
    .hero__cta { width: auto; min-width: 180px; }
    .network-cities { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 768px) {
    .nav { display: flex; }
    .btn-header { display: inline-flex; }
    .mobile-menu-toggle { display: none; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
    .about-grid { grid-template-columns: 1fr 1fr; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .form-group { flex-direction: row; }
    .form-group .btn-primary { flex-shrink: 0; }
    .form-row--half { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
    .contact-grid { grid-template-columns: 1fr 1.2fr; }
    .footer__grid { grid-template-columns: repeat(2, 1fr); }
    .network-cities { grid-template-columns: repeat(5, 1fr); }
}

@media (min-width: 1024px) {
    .services-grid { grid-template-columns: repeat(4, 1fr); }
    .why-grid { grid-template-columns: repeat(3, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
    .footer__grid { grid-template-columns: repeat(4, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .animate-on-scroll { opacity: 1; transform: none; }
}