/* ============================================================
   DigitPlus Technology — Main Stylesheet
   Inspired by modedesigns.com: minimalist, monospace, warm tech
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Brand Colors (from DigitPlus logo) */
    --dp-green:        #1A4D3E;
    --dp-green-dark:   #0F2E25;
    --dp-green-light:  #2A6B56;
    --dp-orange:       #C8512B;
    --dp-orange-light: #D4652E;
    --dp-orange-muted: #E8845A;

    /* Neutrals */
    --white:           #FFFFFF;
    --off-white:       #F8F7F5;
    --warm-gray:       #F2F0ED;
    --gray-100:        #E8E6E3;
    --gray-200:        #D1CFCB;
    --gray-300:        #A8A5A0;
    --gray-400:        #7A7773;
    --gray-500:        #5C5955;
    --gray-600:        #3D3B38;
    --dark:            #1A1917;
    --black:           #0D0D0C;

    /* Semantic */
    --bg-primary:      var(--white);
    --bg-secondary:    var(--off-white);
    --bg-dark:         var(--dp-green-dark);
    --text-primary:    var(--dark);
    --text-secondary:  var(--gray-500);
    --text-muted:      var(--gray-400);
    --text-inverse:    var(--off-white);
    --accent:          var(--dp-orange);
    --border:          var(--gray-100);

    /* Typography */
    --font-mono:       'Space Mono', ui-monospace, 'SFMono-Regular', 'Cascadia Code', 'Consolas', monospace;
    --font-sans:       'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

    /* Spacing */
    --space-xs:    0.25rem;
    --space-sm:    0.5rem;
    --space-md:    1rem;
    --space-lg:    1.5rem;
    --space-xl:    2.5rem;
    --space-2xl:   4rem;
    --space-3xl:   6rem;
    --space-4xl:   8rem;

    /* Layout */
    --max-width:   1200px;
    --header-h:    72px;

    /* Transitions */
    --ease-out:    cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration:    0.3s;

    /* Section BG opacity — lets canvas show through */
    --section-bg-alpha: 0.78;
}

/* ========== DARK MODE ========== */
[data-theme="dark"] {
    --bg-primary:      #0C1A15;
    --bg-secondary:    #111F1A;
    --bg-dark:         #060E0A;
    --text-primary:    #E4E2DF;
    --text-secondary:  #9A9790;
    --text-muted:      #6B6863;
    --text-inverse:    #E4E2DF;
    --border:          #1E2E28;
    --white:           #E4E2DF;
    --off-white:       #111F1A;
    --warm-gray:       #15241E;
    --gray-100:        #1E2E28;
    --gray-200:        #2A3D35;
    --gray-300:        #4A5D55;
    --gray-400:        #7A8D85;
    --gray-500:        #9A9790;
    --dp-green:        #3AAF8A;
    --dp-green-dark:   #E4E2DF;
    --dp-green-light:  #4CC99E;
    --dp-orange:       #E8845A;
    --dp-orange-muted: #F0A07A;
    --section-bg-alpha: 0.7;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: var(--header-h);
}

body {
    font-family: var(--font-mono);
    font-size: clamp(13px, 1.1vw, 15px);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--duration) var(--ease-out);
}

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    outline: none;
    background: none;
}

button {
    cursor: pointer;
}

::selection {
    background-color: var(--dp-green);
    color: var(--white);
}


/* ---------- Network Canvas Background ---------- */
#networkCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    pointer-events: none;
    z-index: 0;
}

/* Everything sits above the canvas */
.site-header { position: relative; z-index: 100; }
main         { position: relative; z-index: 1; }
.site-footer { position: relative; z-index: 2; }


/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-mono);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(32px, 5.2vw, 72px);
    font-weight: 700;
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(24px, 3.6vw, 52px);
    font-weight: 700;
    letter-spacing: -0.03em;
}

h3 {
    font-size: clamp(16px, 1.8vw, 24px);
    font-weight: 700;
}

h4 {
    font-size: clamp(13px, 1.2vw, 16px);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

p {
    max-width: 65ch;
}


/* ---------- Layout Utilities ---------- */
.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section-header {
    margin-bottom: var(--space-3xl);
}

.section-label {
    font-family: var(--font-mono);
    font-size: clamp(11px, 0.9vw, 13px);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--dp-orange);
    margin-bottom: var(--space-md);
}

.section-title {
    color: var(--dp-green-dark);
}


/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: clamp(12px, 1vw, 14px);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 14px 32px;
    border-radius: 0;
    transition: all var(--duration) var(--ease-out);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--dp-green);
    color: var(--white);
    border: 2px solid var(--dp-green);
}

.btn-primary:hover {
    background-color: var(--dp-green-dark);
    border-color: var(--dp-green-dark);
}

.btn-secondary {
    background-color: transparent;
    color: var(--dp-green);
    border: 2px solid var(--dp-green);
}

.btn-secondary:hover {
    background-color: var(--dp-green);
    color: var(--white);
}

.btn-full {
    width: 100%;
}


/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: box-shadow var(--duration) var(--ease-out),
                background-color 0.4s ease;
}

[data-theme="dark"] .site-header {
    background-color: rgba(12, 26, 21, 0.85);
}

.site-header.scrolled {
    box-shadow: 0 1px 0 var(--border);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

.nav-logo img {
    height: 32px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: clamp(11px, 0.9vw, 13px);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-secondary);
    padding: var(--space-xs) 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--dp-green);
    transition: width var(--duration) var(--ease-out);
}

.nav-links a:hover {
    color: var(--dp-green);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--dp-green);
}

.nav-cta {
    font-size: clamp(11px, 0.9vw, 13px);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--white);
    background-color: var(--dp-green);
    padding: 10px 24px;
    transition: background-color var(--duration) var(--ease-out);
}

.nav-cta:hover {
    background-color: var(--dp-green-dark);
}

[data-theme="dark"] .nav-cta {
    background-color: var(--dp-orange);
    color: #0C1A15;
}

[data-theme="dark"] .nav-cta:hover {
    background-color: var(--dp-orange-muted);
}

/* Nav actions group */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* Theme toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all var(--duration) var(--ease-out);
}

.theme-toggle:hover {
    border-color: var(--dp-green);
    color: var(--dp-green);
}

.icon-moon { display: none; }
.icon-sun  { display: block; }

[data-theme="dark"] .icon-moon { display: block; }
[data-theme="dark"] .icon-sun  { display: none; }

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--dp-green-dark);
    transition: all var(--duration) var(--ease-out);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}


/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--header-h) + var(--space-3xl)) var(--space-xl) var(--space-3xl);
    max-width: var(--max-width);
    margin: 0 auto;
    gap: var(--space-3xl);
}

.hero-content {
    flex: 1;
    max-width: 680px;
}

.hero-label {
    font-family: var(--font-mono);
    font-size: clamp(11px, 0.9vw, 13px);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--dp-orange);
    margin-bottom: var(--space-lg);
}

.hero-title {
    color: var(--dp-green-dark);
    margin-bottom: var(--space-xl);
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: clamp(15px, 1.3vw, 18px);
    font-weight: 300;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-visual {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-illustration {
    width: clamp(280px, 32vw, 460px);
    height: auto;
}

/* Hero SVG animations */
.hero-svg-float-1 {
    animation: heroFloat1 5s ease-in-out infinite;
}

.hero-svg-float-2 {
    animation: heroFloat2 6s ease-in-out infinite;
}

.hero-svg-float-3 {
    animation: heroFloat3 7s ease-in-out infinite;
}

.hero-svg-spin {
    transform-origin: 400px 120px;
    animation: heroSpin 20s linear infinite;
}

.hero-svg-blink {
    animation: heroBlink 2s ease-in-out infinite;
}

.hero-svg-blink-alt {
    animation: heroBlink 2s ease-in-out 1s infinite;
}

.hero-svg-pulse-dot {
    animation: heroPulseMove1 3s ease-in-out infinite;
}

.hero-svg-pulse-dot-2 {
    animation: heroPulseMove2 3.5s ease-in-out infinite;
}

.hero-svg-pulse-dot-3 {
    animation: heroPulseMove3 4s ease-in-out infinite;
}

@keyframes heroFloat1 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes heroFloat2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes heroFloat3 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes heroSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes heroBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.2; }
}

@keyframes heroPulseMove1 {
    0%   { cy: 170; opacity: 0; }
    20%  { opacity: 1; }
    80%  { opacity: 1; }
    100% { cy: 125; opacity: 0; }
}

@keyframes heroPulseMove2 {
    0%   { cx: 195; opacity: 0; }
    20%  { opacity: 1; }
    80%  { opacity: 1; }
    100% { cx: 140; opacity: 0; }
}

@keyframes heroPulseMove3 {
    0%   { cx: 285; opacity: 0; }
    20%  { opacity: 1; }
    80%  { opacity: 1; }
    100% { cx: 325; opacity: 0; }
}

/* Server subtle glow */
.hero-svg-server {
    filter: drop-shadow(0 0 6px rgba(26, 77, 62, 0.15));
}

[data-theme="dark"] .hero-svg-server {
    filter: drop-shadow(0 0 10px rgba(58, 175, 138, 0.2));
}


/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
    background-color: var(--dp-green-dark);
    color: var(--text-inverse);
    padding: var(--space-lg) 0;
    overflow: hidden;
}

.trust-bar-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    font-size: clamp(11px, 0.9vw, 13px);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 400;
    opacity: 0.85;
}

.trust-divider {
    opacity: 0.3;
}


/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services {
    padding: var(--space-4xl) 0;
    background-color: transparent;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background-color: var(--border);
    border: 1px solid var(--border);
}

.service-card {
    background-color: var(--bg-primary);
    padding: var(--space-2xl);
    transition: background-color var(--duration) var(--ease-out);
    position: relative;
}

.service-card:hover {
    background-color: var(--off-white);
}

.service-number {
    font-family: var(--font-mono);
    font-size: clamp(11px, 0.8vw, 12px);
    color: var(--dp-orange);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
}

.service-title {
    margin-bottom: var(--space-md);
    color: var(--dp-green-dark);
}

.service-desc {
    font-family: var(--font-sans);
    font-size: clamp(13px, 1vw, 14px);
    line-height: 1.65;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.service-tags li {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    border: 1px solid var(--gray-200);
    color: var(--gray-500);
    transition: all var(--duration) var(--ease-out);
}

.service-card:hover .service-tags li {
    border-color: var(--dp-green);
    color: var(--dp-green);
}


/* ============================================================
   STATEMENT / MISSION SECTION
   ============================================================ */
.statement {
    padding: var(--space-4xl) 0;
    background-color: var(--dp-green-dark);
    color: var(--text-inverse);
}

.statement .section-label {
    color: var(--dp-orange-muted);
}

.statement-content {
    max-width: 800px;
}

.statement-quote {
    font-family: var(--font-mono);
    font-size: clamp(20px, 2.8vw, 40px);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-2xl);
    color: var(--white);
}

.statement-body {
    font-family: var(--font-sans);
    font-size: clamp(14px, 1.2vw, 17px);
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.65);
    max-width: 600px;
}


/* ============================================================
   INDUSTRIES SECTION
   ============================================================ */
.industries {
    padding: var(--space-4xl) 0;
    background-color: transparent;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.industry-item {
    background-color: var(--white);
    padding: var(--space-xl);
    border: 1px solid var(--border);
    transition: all var(--duration) var(--ease-out);
}

.industry-item:hover {
    border-color: var(--dp-green);
    transform: translateY(-2px);
}

.industry-item h3 {
    font-size: clamp(14px, 1.2vw, 17px);
    color: var(--dp-green-dark);
    margin-bottom: var(--space-sm);
}

.industry-item p {
    font-family: var(--font-sans);
    font-size: clamp(12px, 0.9vw, 13px);
    line-height: 1.6;
    color: var(--text-secondary);
}


/* ============================================================
   APPROACH SECTION
   ============================================================ */
.approach {
    padding: var(--space-4xl) 0;
    background-color: transparent;
}

.approach-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl) var(--space-xl);
}

.approach-step {
    position: relative;
}

.step-number {
    font-family: var(--font-mono);
    font-size: clamp(36px, 4vw, 56px);
    font-weight: 700;
    color: var(--warm-gray);
    line-height: 1;
    margin-bottom: var(--space-md);
    letter-spacing: -0.03em;
}

.approach-step h3 {
    color: var(--dp-green-dark);
    margin-bottom: var(--space-sm);
}

.approach-step p {
    font-family: var(--font-sans);
    font-size: clamp(13px, 1vw, 14px);
    line-height: 1.65;
    color: var(--text-secondary);
}


/* ============================================================
   WHY US SECTION
   ============================================================ */
.why-us {
    padding: var(--space-4xl) 0;
    background-color: transparent;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.why-item {
    background-color: var(--white);
    padding: var(--space-2xl);
    border-left: 3px solid var(--dp-orange);
    transition: all var(--duration) var(--ease-out);
}

.why-item:hover {
    border-left-color: var(--dp-green);
}

.why-item h3 {
    color: var(--dp-green-dark);
    margin-bottom: var(--space-sm);
}

.why-item p {
    font-family: var(--font-sans);
    font-size: clamp(13px, 1vw, 14px);
    line-height: 1.65;
    color: var(--text-secondary);
}


/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact {
    padding: var(--space-4xl) 0;
    background-color: transparent;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info .section-title {
    margin-bottom: var(--space-lg);
}

.contact-body {
    font-family: var(--font-sans);
    font-size: clamp(14px, 1.2vw, 17px);
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-2xl);
    max-width: 440px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-detail {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.detail-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
}

.contact-detail a {
    color: var(--dp-green);
    font-weight: 700;
}

.contact-detail a:hover {
    color: var(--dp-orange);
}

/* Form */
.contact-form {
    background-color: var(--off-white);
    padding: var(--space-2xl);
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--white);
    border: 1px solid var(--gray-200);
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text-primary);
    transition: border-color var(--duration) var(--ease-out);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--dp-green);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-300);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23A8A5A0' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-note {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--text-muted);
    margin-top: var(--space-md);
    text-align: center;
}


/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background-color: var(--dp-green-dark);
    color: var(--text-inverse);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand img {
    height: 28px;
    width: auto;
    margin-bottom: var(--space-lg);
    filter: brightness(0) invert(1);
}

.footer-brand p {
    font-family: var(--font-sans);
    font-size: 13px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.5);
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-col h4 {
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: var(--space-lg);
    font-size: 11px;
}

.footer-col li {
    margin-bottom: var(--space-sm);
}

.footer-col a {
    font-family: var(--font-sans);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
    transition: color var(--duration) var(--ease-out);
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-xl);
}

.footer-bottom p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.35);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--duration) var(--ease-out);
}

.footer-social a:hover {
    color: var(--dp-orange-muted);
}


/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--ease-out),
                transform 0.6s var(--ease-out);
}

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


/* ============================================================
   RESPONSIVE — TABLET (max-width: 1024px)
   ============================================================ */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .industries-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .approach-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
}


/* ============================================================
   RESPONSIVE — MOBILE (max-width: 768px)
   ============================================================ */
@media (max-width: 768px) {
    :root {
        --header-h: 64px;
    }

    .nav-links {
        display: none;
    }

    .nav-actions .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    /* Mobile Menu */
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--bg-primary);
        padding: var(--space-2xl);
        gap: var(--space-lg);
        z-index: 999;
    }

    .nav-links.open a {
        font-size: 18px;
        color: var(--dp-green-dark);
    }

    /* Hero */
    .hero {
        flex-direction: column;
        min-height: auto;
        padding-top: calc(var(--header-h) + var(--space-2xl));
        padding-bottom: var(--space-2xl);
        gap: var(--space-2xl);
    }

    .hero-visual {
        order: -1;
    }

    .hero-illustration {
        width: 260px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
        text-align: center;
    }

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: var(--space-xl);
    }

    /* Industries */
    .industries-grid {
        grid-template-columns: 1fr;
    }

    /* Approach */
    .approach-steps {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    /* Why Us */
    .why-grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .contact-form {
        padding: var(--space-xl);
    }

    /* Footer */
    .footer-links {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl) var(--space-lg);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    /* Trust Bar */
    .trust-bar-inner {
        font-size: 10px;
        gap: var(--space-sm);
    }
}


/* ============================================================
   RESPONSIVE — SMALL MOBILE (max-width: 480px)
   ============================================================ */
@media (max-width: 480px) {
    .section-container {
        padding: 0 var(--space-lg);
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .trust-bar-inner {
        flex-direction: column;
        gap: var(--space-xs);
    }

    .trust-divider {
        display: none;
    }
}


/* ============================================================
   DARK MODE — Component Overrides
   ============================================================ */

/* Smooth transitions on theme switch */
[data-theme="dark"] *,
[data-theme="dark"] *::before,
[data-theme="dark"] *::after {
    transition: background-color 0.4s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Service cards */
[data-theme="dark"] .service-card {
    background-color: rgba(17, 31, 26, 0.6);
    backdrop-filter: blur(4px);
}

[data-theme="dark"] .service-card:hover {
    background-color: rgba(21, 36, 30, 0.8);
}

[data-theme="dark"] .services-grid {
    background-color: var(--border);
}

/* Industry items */
[data-theme="dark"] .industry-item {
    background-color: rgba(17, 31, 26, 0.65);
    backdrop-filter: blur(4px);
}

/* Why items */
[data-theme="dark"] .why-item {
    background-color: rgba(17, 31, 26, 0.65);
    backdrop-filter: blur(4px);
}

/* Statement section */
[data-theme="dark"] .statement {
    background-color: #060E0A;
}

/* Trust bar */
[data-theme="dark"] .trust-bar {
    background-color: #060E0A;
}

/* Hero illustration in dark mode gets brighter strokes via CSS vars */

/* Form */
[data-theme="dark"] .contact-form {
    background-color: rgba(17, 31, 26, 0.7);
    backdrop-filter: blur(6px);
    border-color: var(--border);
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group select,
[data-theme="dark"] .form-group textarea {
    background-color: rgba(12, 26, 21, 0.8);
    border-color: var(--border);
    color: var(--text-primary);
}

[data-theme="dark"] .form-group input::placeholder,
[data-theme="dark"] .form-group textarea::placeholder {
    color: var(--gray-400);
}

/* Buttons in dark mode */
[data-theme="dark"] .btn-primary {
    background-color: var(--dp-orange);
    border-color: var(--dp-orange);
    color: #0C1A15;
}

[data-theme="dark"] .btn-primary:hover {
    background-color: var(--dp-orange-muted);
    border-color: var(--dp-orange-muted);
}

[data-theme="dark"] .btn-secondary {
    border-color: var(--dp-orange);
    color: var(--dp-orange);
}

[data-theme="dark"] .btn-secondary:hover {
    background-color: var(--dp-orange);
    color: #0C1A15;
}

/* Footer — logo already inverted for dark bg, stays the same */
[data-theme="dark"] .site-footer {
    background-color: #060E0A;
}

/* Header logo in dark mode */
[data-theme="dark"] .nav-logo img {
    filter: brightness(0) invert(1);
}

/* Mobile menu in dark mode */
[data-theme="dark"] .nav-links.open {
    background-color: rgba(12, 26, 21, 0.95);
    backdrop-filter: blur(12px);
}

[data-theme="dark"] .nav-links.open a {
    color: var(--text-primary);
}

/* Select dropdown arrow for dark mode */
[data-theme="dark"] .form-group select {
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%234A5D55' stroke-width='1.5'/%3E%3C/svg%3E");
}


/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
    .site-header,
    .nav-toggle,
    .hero-visual,
    .trust-bar,
    .footer-social {
        display: none;
    }

    body {
        font-size: 12pt;
        color: #000;
        background: #fff;
    }

    .contact-form {
        border: 1px solid #ccc;
    }
}