@import url('https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;700&family=Google+Sans+Display:wght@400;700&family=Google+Sans+Text:wght@400;500;600&display=swap');

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
    /* Colors */
    --color-primary-dark: #1D2B36;
    --color-secondary-slate: #3C515E;
    --color-charcoal: #393E46;
    --color-offwhite: #F7F7F7;

    /* Typography */
    --font-heading: 'Google Sans', 'Google Sans Display', -apple-system, sans-serif;
    --font-body: 'Google Sans Text', -apple-system, sans-serif;

    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 40px;
    --space-xl: 64px;
    --space-2xl: 96px;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    /* Shadows */
    --shadow-card: 0px 2px 8px rgba(29, 43, 54, 0.08);
    --shadow-card-hover: 0px 8px 24px rgba(29, 43, 54, 0.12);

    /* Transitions */
    --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
    --duration-fast: 200ms;
    --duration-normal: 300ms;
    --duration-slow: 800ms;

    /* Layout */
    --max-width: 1280px;
    --nav-height-desktop: 80px;
    --nav-height-mobile: 64px;
}

/* ============================================================
   CSS RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background-color: var(--color-offwhite);
    color: var(--color-primary-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ============================================================
   CONTAINER UTILITY
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-md);
    padding-right: var(--space-md);
}
@media (max-width: 767px) {
    .container {
        padding-left: var(--space-sm);
        padding-right: var(--space-sm);
    }
}

/* ============================================================
   SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--duration-slow) var(--ease-standard),
                transform var(--duration-slow) var(--ease-standard);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 120ms; }
.reveal-delay-2 { transition-delay: 240ms; }
.reveal-delay-3 { transition-delay: 360ms; }
.reveal-delay-4 { transition-delay: 480ms; }

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height-desktop);
    z-index: 1000;
    transition: background-color var(--duration-normal) var(--ease-standard),
                backdrop-filter var(--duration-normal) var(--ease-standard),
                box-shadow var(--duration-normal) var(--ease-standard);
    background-color: transparent;
}
.navbar.scrolled {
    background-color: rgba(247, 247, 247, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 1px 0 rgba(57, 62, 70, 0.1);
}
.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin: auto;
    padding: 0 var(--space-md);
}
.navbar__logo {
    display: flex;
    align-items: center;
    height: 48px;
    padding: 6px 14px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(247, 247, 247, 0.4);
    background-color: rgba(247, 247, 247, 0.12);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: border-color var(--duration-normal) var(--ease-standard),
                background-color var(--duration-normal) var(--ease-standard);
}
.navbar.scrolled .navbar__logo {
    border-color: rgba(57, 62, 70, 0.18);
    background-color: rgba(57, 62, 70, 0.05);
}
.navbar__logo img {
    height: 36px;
    width: auto;
    object-fit: contain;
}
.navbar__links {
    display: flex;
    align-items: center;
    gap: var(--space-md); /* reduced from --space-lg to fit 4 nav links comfortably */
    list-style: none;
}
.navbar__links a {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 500;
    color: var(--color-primary-dark);
    position: relative;
    padding-bottom: 4px;
    transition: color var(--duration-fast) var(--ease-standard);
}
.navbar__links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary-slate);
    transition: width var(--duration-normal) var(--ease-standard);
}
.navbar__links a:hover { color: var(--color-secondary-slate); }
.navbar__links a:hover::after { width: 100%; }
.navbar__links a.active::after { width: 100%; }

.navbar__cta {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.3px;
    color: var(--color-offwhite);
    background-color: var(--color-primary-dark);
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    transition: background-color var(--duration-normal) var(--ease-standard),
                transform var(--duration-fast) var(--ease-standard);
}
.navbar__cta:hover {
    background-color: var(--color-secondary-slate);
    transform: translateY(-1px);
}
.navbar__cta:active { transform: translateY(0); }

/* Hamburger — mobile only */
.navbar__hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}
.navbar__hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary-dark);
    border-radius: 2px;
    transition: transform var(--duration-normal) var(--ease-standard),
                opacity var(--duration-normal) var(--ease-standard);
}
.navbar__hamburger.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
.navbar__hamburger.open span:nth-child(2) {
    opacity: 0;
}
.navbar__hamburger.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile menu drawer */
.navbar__mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height-mobile);
    left: 0;
    right: 0;
    background-color: var(--color-offwhite);
    padding: var(--space-md);
    border-top: 1px solid rgba(57, 62, 70, 0.1);
    box-shadow: 0 8px 24px rgba(29, 43, 54, 0.1);
    transform: translateY(-10px);
    opacity: 0;
    transition: transform var(--duration-normal) var(--ease-standard),
                opacity var(--duration-normal) var(--ease-standard);
    z-index: 999;
}
.navbar__mobile-menu.open {
    display: block;
    transform: translateY(0);
    opacity: 1;
}
.navbar__mobile-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}
.navbar__mobile-menu a {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-primary-dark);
}

@media (max-width: 767px) {
    .navbar { height: var(--nav-height-mobile); }
    .navbar__links { display: none; }
    .navbar__hamburger { display: flex; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background-color: var(--color-primary-dark);
    color: var(--color-offwhite);
    padding: var(--space-xl) 0 var(--space-md);
}
.footer__inner {
    max-width: var(--max-width);
    margin: auto;
    padding: 0 var(--space-md);
}
.footer__top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(247, 247, 247, 0.1);
}
.footer__brand-name {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--color-offwhite);
    margin-bottom: var(--space-lg);
}
.footer__contact-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 400;
    color: rgba(247, 247, 247, 0.75);
    margin-bottom: var(--space-sm);
    transition: color var(--duration-fast) var(--ease-standard);
}
.footer__contact-link:hover { color: var(--color-offwhite); }
.footer__contact-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    stroke: currentColor;
    fill: none;
}
.footer__nav-title {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: rgba(247, 247, 247, 0.5);
    margin-bottom: var(--space-md);
}
.footer__nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.footer__nav-links a {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 400;
    color: rgba(247, 247, 247, 0.75);
    transition: color var(--duration-fast) var(--ease-standard);
}
.footer__nav-links a:hover { color: var(--color-offwhite); }
.footer__bottom {
    padding-top: var(--space-md);
    text-align: center;
    font-family: var(--font-body);
    font-size: 13px;
    color: rgba(247, 247, 247, 0.4);
    letter-spacing: 0.2px;
}

@media (max-width: 767px) {
    .footer__top {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

/* ============================================================
   SHARED — INTRO BANNER (Services, Clients, and future pages)
   ============================================================ */
.intro-banner {
    min-height: 38vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height-desktop);
    padding-bottom: 38px;
    background-color: var(--color-primary-dark);
}
.intro-banner--compact { min-height: 32vh; }
.intro-banner__inner {
    text-align: center;
}
.intro-banner__eyebrow {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-secondary-slate);
    margin-bottom: var(--space-sm);
}
.intro-banner__title {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    color: var(--color-offwhite);
    margin-bottom: var(--space-md);
}
.intro-banner__subtitle {
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.6;
    color: rgba(247, 247, 247, 0.8);
    max-width: 620px;
    margin: 0 auto var(--space-xl);
}
.intro-banner__stat-row {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}
.intro-stat__value {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--color-offwhite);
}
.intro-stat__label {
    font-family: var(--font-body);
    font-size: 13px;
    color: rgba(247, 247, 247, 0.6);
    margin-top: 4px;
}

/* ============================================================
   SHARED — SECTION HEADING & INTRO (Services, Clients, etc.)
   ============================================================ */
.section-heading {
    font-family: var(--font-heading);
    font-size: 40px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary-dark);
    text-align: center;
    margin-bottom: var(--space-md);
}
.section-heading--left {
    text-align: left;
}
.section-intro {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.6;
    color: var(--color-charcoal);
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-xl);
}
.section-intro--left {
    text-align: left;
    margin: 0 0 var(--space-lg);
    max-width: none;
}

/* ============================================================
   SHARED — MOBILE RESPONSIVE OVERRIDES (below 768px)
   ============================================================ */
@media (max-width: 767px) {
    .intro-banner { min-height: 46vh; padding-top: var(--nav-height-mobile); padding-bottom: 38px; }
    .intro-banner__title { font-size: 32px; }
    .intro-banner__stat-row { gap: var(--space-lg); }
    .intro-stat__value { font-size: 24px; }
    .intro-banner--compact { min-height: 30vh; }

    .section-heading { font-size: 26px; }
    .section-intro { font-size: 15px; }
}

/* ============================================================
   SHARED — SKELETON LOADER ANIMATION & SMOOTH IMAGE FADE
   ============================================================ */
.skeleton {
    background-color: rgba(57, 62, 70, 0.08) !important;
    background-image: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.45) 50%,
        rgba(255, 255, 255, 0) 100%
    ) !important;
    background-size: 200% 100% !important;
    background-repeat: no-repeat !important;
    animation: skeleton-shimmer 1.5s ease-in-out infinite !important;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

img.img-loading {
    opacity: 0;
    transition: opacity 0.4s var(--ease-standard);
}
img.img-loaded {
    opacity: 1;
}