LED startup sequence question

this model starship. startup sequence such.

4 leds blink on , off few times stay on slight fade in , out.
once slight fade in , out begins have 3 leds randomly blink on , off , pair of leds that   
blink rhythmically turn on.

my code isn't it's functional , have leds doing want them in order like.

my problem add ir remote turn on entire sequence code making difficult. ideally press 1 button initiate sequence , hit same 1 again turn off. can't piece enough unrelated tutorials accomplish , have no programming knowledge. i'm @ whits end can help. thank you.

here code.

const int led1 = 5;
const int led2 = 9;
const int led3 = 10;
const int led4= 3;

int led1 = 5;
int led2 = 9;
int led3 = 10;
int led4 = 3;

int ledpin5 = 2;
int ledpin6 = 4;
int ledpin7 = 13;

int led8 = 12;



void setup() {
  pinmode (5, output);
  pinmode (9, output);
  pinmode (10, output);
  pinmode (3, output);

   pinmode (12, output);

digitalwrite (5, high);
digitalwrite (9, high);
digitalwrite (10, high);
digitalwrite (3, high);

delay (100);

digitalwrite (5, low);
digitalwrite (9, low);
digitalwrite (10, low);
digitalwrite (3, low);

delay (200);

digitalwrite (5, high);
digitalwrite (9, high);
digitalwrite (10, high);
digitalwrite (3, high);

delay (100);

digitalwrite (5, low);
digitalwrite (9, low);
digitalwrite (10, low);
digitalwrite (3, low);

delay (100);

digitalwrite (5, high);
digitalwrite (9, high);
digitalwrite (10, high);
digitalwrite (3, high);

delay (100);

digitalwrite (5, low);
digitalwrite (9, low);
digitalwrite (10, low);
digitalwrite (3, low);

delay (300);

digitalwrite (5, high);
digitalwrite (9, high);
digitalwrite (10, high);
digitalwrite (3, high);

delay (300);

digitalwrite (5, low);
digitalwrite (9, low);
digitalwrite (10, low);
digitalwrite (3, low);

delay (700);

digitalwrite (5, high);
digitalwrite (9, high);
digitalwrite (10, high);
digitalwrite (3, high);

}
 
void loop() {

float in, out;
 
  (in = 0; in < 0.541; in = in + 0.001)
  {
    out = sin(in) * 127.5 + 127.5;
   
    analogwrite(led1,out);
    analogwrite(led2,out);
    analogwrite(led3,out);
    analogwrite(led4,out);
  }
  {analogwrite(ledpin5, random(100, 200));
delay(random(105));         
analogwrite(ledpin6, random(100, 200));
delay(random(115));
analogwrite(ledpin7, random(100, 200 ));
delay(random(110));
}
{
  digitalwrite(led8, high);   // turn led on (high voltage level)
  delay(500);               // wait second
  digitalwrite(led8, low);    // turn led off making voltage low
  delay(500);               // wait second
}
}

forget main project now.

have managed use ir control simple such turning on led or output message serial ??

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